From 5e9db422c95e278f280501af2c343dbec16177b6 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Florian=20M=C3=BCllner?= Date: Wed, 24 Sep 2014 01:09:09 +0200 Subject: [PATCH] Remove all support for the metacity format Rest in peace you magnificent format, love-child of arcane X11 drawing API and markup craze, you will not be missed. We do remember however the bravery of a many men and women, who fearlessly descended into the guts of your intrinsics and turned ugliness into beauty; their work will still be spoken of when you will long have been forgotten. https://bugzilla.gnome.org/show_bug.cgi?id=741917 --- doc/reference/meta-docs.sgml.in | 1 - doc/reference/meta-sections.txt | 9 - doc/theme-format.txt | 394 --- src/Makefile.am | 1 - src/core/prefs.c | 42 - src/meta/prefs.h | 3 - src/meta/theme.h | 6 - src/ui/theme-parser.c | 4325 ---------------------------- src/ui/theme-private.h | 783 +----- src/ui/theme.c | 4656 +------------------------------ 10 files changed, 24 insertions(+), 10196 deletions(-) delete mode 100644 doc/theme-format.txt delete mode 100644 src/ui/theme-parser.c diff --git a/doc/reference/meta-docs.sgml.in b/doc/reference/meta-docs.sgml.in index 5c8b9673a..f1fea4504 100644 --- a/doc/reference/meta-docs.sgml.in +++ b/doc/reference/meta-docs.sgml.in @@ -22,7 +22,6 @@ Mutter Core Reference - diff --git a/doc/reference/meta-sections.txt b/doc/reference/meta-sections.txt index 66fb44646..515c3e471 100644 --- a/doc/reference/meta-sections.txt +++ b/doc/reference/meta-sections.txt @@ -172,15 +172,6 @@ meta_error_trap_push_with_return meta_error_trap_pop_with_return -
-gradient -MetaGradientType -meta_gradient_create_simple -meta_gradient_create_multi -meta_gradient_create_interwoven -meta_gradient_add_alpha -
-
group MetaGroup diff --git a/doc/theme-format.txt b/doc/theme-format.txt deleted file mode 100644 index 0607c6eb7..000000000 --- a/doc/theme-format.txt +++ /dev/null @@ -1,394 +0,0 @@ -Themes are in a simple XML-subset format. There are multiple versions -of the theme format, and a given theme can support more than one format. - -Version 1: THEMEDIR/metacity-1/metacity-theme-1.xml - (original metacity format) -Version 2: THEMEDIR/metacity-1/metacity-theme-2.xml -Version 3: THEMEDIR/metacity-1/metacity-theme-3.xml - -The subdirectory name is "metacity-1" in all versions. - -As you might expect, older versions of metacity will not understand -newer theme formats. However, newer versions will use old themes. -Metacity will always use the newest theme format it understands that -the X server supports. Some format versions are only supported if you -have the right X server features. - -Each format *requires* the corresponding filename. If you put version -2 format features in the metacity-1/metacity-theme-1.xml file, then -metacity will get angry. - -This document has separate sections for each format version. You may -want to read the document in reverse order, since the base features -are discussed under version 1. - -New Features in Theme Format Version 3.4 -======================================== - -An additional color type is added to pick up custom colors defined -in the GTK+ theme's CSS: - - gtk:custom(name,fallback) - -where refers to a custom color defined with @define-color in -the GTK+ theme, and provides an alternative color definition -in case the color referenced by is not found. - -New Features in Theme Format Version 3.3 -======================================== - -Add two additional button background functions - left_single_background and -right_single_background - for button groups with just a single button. - -There are now additional frame states to style left/right tiled windows -differently ("tiled_left", "tiled_right", "tiled_left_and_shaded", -"tiled_right_and_shaded"). - -New Features in Theme Format Version 3.2 -======================================== - -A new window type 'attached' is added for modal dialogs which are -attached to their parent window. (When the attach_modal_dialogs preference -is turned on.) If no style is defined for the 'attached' window type, -the 'border' window type will be used instead. - -New Features in Theme Format Version 3.1 -======================================== - -Additional predefined variables are added for positioning expressions: - - frame_x_center: the X center of the entire frame, with respect to the - piece currently being drawn. - frame_y_center: the Y center of the entire frame, with respect to the - piece currently being drawn. - -The element now supports an "ellipsize_width" attribute. When -specified, this gives a width at which to ellipsize the title. If not -specified, the title will simply be clipped to the title area. - -New Features in Theme Format Version 3 -====================================== - -Format version 3 has exactly one new feature; any element in the file -can now have a version attribute: - - version="[<|<=|=>|>] MAJOR.MINOR" - -(< and > should be to be entity escaped as < and >). If this -version check is not met, then the element and its children will be -ignored. This allows having alternate sections of the theme file for -older and newer version of the Metacity theme format. - -When placed on the toplevel <metacity_theme> element, an unsatisfied -version check will not just cause the contents of the file to be -ignored, it will also cause the lookup of a theme file to proceed on -and look for an older format 2 or format 1 file. This allows making a -metacity-theme-3.xml file that is only used the format version 3.2 or -newer is supported, and using metacity-theme-1.xml for older window -managers. - -New Features in Theme Format Version 2 -====================================== - -The optional attributes rounded_top_left, rounded_top_right, -rounded_bottom_left and rounded_bottom_right on <frame_geometry> -should now be the radius of the corner in pixels. You may still use -the values "false" for 0 and "true" for 5, which means v1 values will -still work just fine. - -<frame_geometry> has a new optional attribute, hide_buttons. If this -is true, no buttons will be displayed on the titlebar. - -Anywhere you can use a positive integer, you can use an integer constant. - -As well as constant integers and reals, you may define constant colours, -thus: - <constant name="RevoltingPink" value="#FF00FF"/> - <constant name="Background" value="gtk:bg[NORMAL]"/> - -<frame_style> has two new optional attributes, background and alpha. -If you specify alpha, you must specify background. background is a -colour used for the background of the frame. alpha is the transparency -as a real between 0.0 and 1.0. If the current X server does not support -alpha channels, the value is ignored. - -The filename attribute of <image> may begin with "theme:". If so, the -rest of the string is the name of a theme icon. The 64x64 version of the -icon is used, except for fallback mini_icons, which use the 16x16 version. -This does not affect ordinary resizing. For example: - <button function="close" state="normal"> - <draw_ops> - <include name="active_button"/> - <image filename="theme:gnome-logout" x="2" y="2" - width="width-4" height="height-4"/> - <!-- Note: not "theme:gnome-logout.png" or similar. --> - </draw_ops> - </button> - -<menu_icon>s are parsed but ignored. - -Fallback icons can be specified using <fallback>. There are two -optional arguments, icon and mini_icon. The values of these arguments -are identical to that of the filename attribute of <image>. Fallback -icons are used when a window does not supply its own icon. If a fallback -icon is not specified with <fallback>, Metacity will use a built-in -icon, as in metacity-theme-1. - -The <arc> element, as well as the original start_angle and end_angle -attributes, may be given from and to attributes. The values of these -attributes are given in degrees clockwise, with 0 being straight up. -For example: - <arc from="0.0" to="90.0" filled="true" color="#FF00FF" - x="0" y="5" width="15" height="15"/> - -<frame state="shaded"> may now take an optional resize attribute, with -the same interpretation as the resize attribute on <frame state="normal">. -If this attribute is omitted for state="shaded", it defaults to "both". -(If it is omitted for state="normal", it remains an error.) - -In addition to the four <button> functions which are required in -metacity-theme-1, there are six new functions in metacity-theme-2: -shade, unshade, above, unabove, stick and unstick. - -Overview of Theme Format Version 1 -================================== - -<?xml version="1.0"?> -<metacity_theme> -<!-- Only one info section is allowed --> -<info> - <name>Foo</name> - <author>Foo P. Bar</author> - <copyright>whoever, 2002</copyright> - <date>Jan 31 2005</date> - <description>A sentence about the theme.</description> -</info> - -<!-- define a frame geometry to be referenced later --> -<!-- frame_geometry has an optional has_title attribute which - determines whether the title text height is included in the - height calculation. if not specified, defaults to true. - It also has an optional text_size="medium" attribute - (same sizes as with Pango markup, xx-small thru medium thru - xx-large) - - Finally it has optional args rounded_top_left=true, - rounded_top_right=true, rounded_bottom_left=true, - rounded_bottom_right=true. - - --> -<frame_geometry name="normal" has_title="true" title_scale="medium"> - <distance name="left_width" value="6"/> - <distance name="right_width" value="6"/> - <distance name="bottom_height" value="7"/> - <distance name="left_titlebar_edge" value="6"/> - <distance name="right_titlebar_edge" value="6"/> - <distance name="button_width" value="17"/> - <distance name="button_height" value="17"/> - <!-- alternative to button_width button_height distances --> - <aspect_ratio name="button" value="1.0"/> - <distance name="title_vertical_pad" value="4"/> - <border name="title_border" left="3" right="12" top="4" bottom="3"/> - <border name="button_border" left="0" right="0" top="1" bottom="1"/> -</frame_geometry> - -<!-- inheritance is allowed; simply overwrites values from parent --> -<frame_geometry name="borderless" parent="normal"> - <distance name="left_width" value="0"/> - <distance name="right_width" value="0"/> - <distance name="bottom_height" value="0"/> - <distance name="left_titlebar_edge" value="0"/> - <distance name="right_titlebar_edge" value="0"/> -</frame_geometry> - -<!-- define a constant to use in positions/sizes of draw operations; - constant names must start with a capital letter. - --> -<constant name="LineOffset" value="3"/> - -<!-- define drawing operations to be referenced later; - these draw-op lists can also be placed inline. - - Positions/lengths are given as expressions. - Operators are: +,-,*,/,%,`max`,`min` - All operators are infix including `max` and `min`, - i.e. "2 `max` 5" - - Some variables are predefined, and constants can also - be used. Variables are: - - width - width of target area - height - height of target area - object_width - natural width of object being drawn - object_height - natural height of object being drawn - left_width - distance from left of frame to client window - right_width - distance from right of frame to client window - top_height - distance from top of frame to client window - bottom_height - distance from bottom of frame to client window - mini_icon_width - width of mini icon for window - mini_icon_height - height of mini icon - icon_width - width of large icon - icon_height - height of large icon - title_width - width of title text - title_height - height of title text - - All these are always defined, except object_width/object_height - which only exists for <image> right now. - - --> - -<draw_ops name="demo_all_ops"> - <line color="#00FF00" x1="LineOffset" y1="0" x2="0" y2="height"/> - <line color="gtk:fg[NORMAL]" - x1="width - 1" y1="0" x2="width - 1" y2="height" - width="3" dash_on_length="2" dash_off_length="3"/> - <rectangle color="blend/gtk:fg[NORMAL]/gtk:bg[NORMAL]/0.7" - x="0" y="0" width="width - 1" height="height - 1" filled="true"/> - <arc color="dark gray" x="0" y="0" width="width - 1" height="height - 1" - filled="false" start_angle="30" extent_angle="180"/> - <tint color="orange" alpha="0.5" x="0" y="0" width="width" height="height"/> - <!-- may be vertical, horizontal, diagonal --> - <gradient type="diagonal" - x="10" y="30" width="width / 3" height="height / 4"> - <!-- any number of colors allowed here. A color can be - a color name like "blue" (look at gcolorsel), a hex color - as in HTML (#FFBB99), or a color from the gtk theme - given as "gtk:base[NORMAL]", "gtk:fg[ACTIVE]", etc. - --> - <color value="gtk:fg[SELECTED]"/> - <!-- color obtained by a 0.5 alpha composite of the second color onto the first --> - <color value="blend/gtk:bg[SELECTED]/gtk:fg[SELECTED]/0.5"/> - </gradient> - <image filename="foo.png" alpha="0.7" - x="10" y="30" width="width / 3" height="height / 4"/> - <gtk_arrow state="normal" shadow="in" arrow="up" - filled="true" - x="2" y="2" width="width - 4" height="height - 4"/> - <gtk_box state="normal" shadow="out" - x="2" y="2" width="width - 4" height="height - 4"/> - <gtk_vline state="normal" x="2" y1="0" y2="height"/> - <!-- window's icon --> - <icon alpha="0.7" - x="10" y="30" width="width / 3" height="height / 4"/> - <!-- window's title --> - <title color="gtk:text[NORMAL]" x="20" y="30"/> - <!-- include another draw ops list; has optional x/y/width/height attrs --> - <include name="some_other_draw_ops"/> - <!-- tile another draw ops list; has optional - x/y/width/height/tile_xoffset/tile_yoffset --> - <tile name="some_other_draw_ops" tile_width="10" tile_height="10"/> -</draw_ops> - -<frame_style name="normal" geometry="normal"> - <!-- How to draw each piece of the frame. - For each piece, a draw_ops can be given inline or referenced - by name. If a piece is omitted, then nothing will be drawn - for that piece. - - For each piece, the "width" and "height" variables in - coordinate expressions refers to the dimensions of the piece, - the origin is at the top left of the piece. - - So <rectangle x="0" y="0" width="width-1" height="height-1"/> - will outline a piece. - --> - - <piece position="entire_background" draw_ops="demo_all_ops"/> - <piece position="left_titlebar_edge"> - <draw_ops> - <line color="#00FF00" x1="0" y1="0" x2="0" y2="height"/> - </draw_ops> - </piece> - - <!-- The complete list of frame pieces: - - entire_background: whole frame - titlebar: entire area above the app's window - titlebar_middle: area of titlebar_background not considered - part of an edge - left_titlebar_edge: left side of titlebar background - right_titlebar_edge: right side of titlebar background - top_titlebar_edge: top side of titlebar background - bottom_titlebar_edge: bottom side of titlebar background - title: the title area (doesn't include buttons) - left_edge: left edge of the frame - right_edge: right edge of the frame - bottom_edge: bottom edge of the frame - overlay: same area as entire_background, but drawn after - drawing all sub-pieces instead of before - - --> - - <!-- For buttons, drawing methods have to be provided for - each of three states: - normal, pressed, prelight - and the button function or position must be provided: - close, maximize, minimize, menu, - left_left_background, left_middle_background, - left_right_background, right_left_background, - right_middle_background, right_right_background - So a working theme needs 3*4 = 12 button declarations - and a theme may have up to 3*10 = 30 button declarations - in order to handle button-rearrangement preferences. - - (The name "function" for the attribute is from before the - background values existed.) - --> - - <button function="close" state="normal" draw_ops="previously_named"/> - <button function="menu" state="normal"> - <draw_ops> - <icon alpha="0.7" - x="0" y="0" width="object_width" height="object_height"/> - </draw_ops> - </button> - -</frame_style> - -<!-- styles can inherit from each other with the parent="" attribute. - In a subclass anything can be re-specified to override - the parent style. --> -<frame_style name="focused" parent="normal"> - <piece position="title"> - <draw_ops> - <rectangle color="gtk:bg[SELECTED]" - x="0" y="0" width="width-1" height="height-1"/> - <title color="gtk:fg[SELECTED]" x="(width - title_width) / 2" - y="(height - title_height) / 2"/> - </draw_ops> - </piece> -</frame_style> - -<!-- Maps styles to states of frame. - - Focus: yes (focused), no (not focused) - Window states: normal, maximized, shaded, maximized_and_shaded - Window resizability: none, vertical, horizontal, both - - Everything unspecified just does the same as - unfocused/normal/both. - - only state="normal" needs a resize="" attribute. - --> -<frame_style_set name="normal"> -<frame focus="yes" state="normal" resize="both" style="focused"/> -<frame focus="no" state="normal" resize="both" style="normal"/> -</frame_style_set> - -<!-- Each window type needs a style set - Types: normal, dialog, modal_dialog, menu, utility, border - --> -<window type="normal" style_set="normal"/> - - -<!-- For menu icons, drawing methods are needed for the same - four types as the buttons, and GTK states - (insensitive,prelight,normal,etc.) - --> - -<menu_icon function="close" state="normal" draw_ops="previously_named"/> - - -</metacity_theme> - - diff --git a/src/Makefile.am b/src/Makefile.am index 353b66f8b..94d2b22c5 100644 --- a/src/Makefile.am +++ b/src/Makefile.am @@ -200,7 +200,6 @@ libmutter_la_SOURCES = \ ui/frames.h \ ui/resizepopup.c \ ui/resizepopup.h \ - ui/theme-parser.c \ ui/theme.c \ meta/theme.h \ ui/theme-private.h \ diff --git a/src/core/prefs.c b/src/core/prefs.c index fff3a3299..d0bfb64fb 100644 --- a/src/core/prefs.c +++ b/src/core/prefs.c @@ -82,7 +82,6 @@ static GDesktopFocusNewWindows focus_new_windows = G_DESKTOP_FOCUS_NEW_WINDOWS_S static gboolean raise_on_click = TRUE; static gboolean center_new_windows = FALSE; static gboolean attach_modal_dialogs = FALSE; -static char* current_theme = NULL; static int num_workspaces = 4; static GDesktopTitlebarAction action_double_click_titlebar = G_DESKTOP_TITLEBAR_ACTION_TOGGLE_MAXIMIZE; static GDesktopTitlebarAction action_middle_click_titlebar = G_DESKTOP_TITLEBAR_ACTION_LOWER; @@ -144,7 +143,6 @@ static void queue_changed (MetaPreference pref); static void maybe_give_disable_workarounds_warning (void); static gboolean titlebar_handler (GVariant*, gpointer*, gpointer); -static gboolean theme_name_handler (GVariant*, gpointer*, gpointer); static gboolean mouse_button_mods_handler (GVariant*, gpointer*, gpointer); static gboolean button_layout_handler (GVariant*, gpointer*, gpointer); static gboolean overlay_key_handler (GVariant*, gpointer*, gpointer); @@ -401,14 +399,6 @@ static MetaStringPreference preferences_string[] = mouse_button_mods_handler, NULL, }, - { - { "theme", - SCHEMA_GENERAL, - META_PREF_THEME, - }, - theme_name_handler, - NULL, - }, { { KEY_TITLEBAR_FONT, SCHEMA_GENERAL, @@ -1309,12 +1299,6 @@ meta_prefs_get_show_fallback_app_menu (void) return show_fallback_app_menu; } -const char* -meta_prefs_get_theme (void) -{ - return current_theme; -} - const char* meta_prefs_get_cursor_theme (void) { @@ -1371,29 +1355,6 @@ titlebar_handler (GVariant *value, return TRUE; } -static gboolean -theme_name_handler (GVariant *value, - gpointer *result, - gpointer data) -{ - const gchar *string_value; - - *result = NULL; /* ignored */ - string_value = g_variant_get_string (value, NULL); - - if (!string_value || !*string_value) - return FALSE; - - if (g_strcmp0 (current_theme, string_value) != 0) - { - g_free (current_theme); - current_theme = g_strdup (string_value); - queue_changed (META_PREF_THEME); - } - - return TRUE; -} - static gboolean mouse_button_mods_handler (GVariant *value, gpointer *result, @@ -1818,9 +1779,6 @@ meta_preference_to_string (MetaPreference pref) case META_PREF_RAISE_ON_CLICK: return "RAISE_ON_CLICK"; - case META_PREF_THEME: - return "THEME"; - case META_PREF_TITLEBAR_FONT: return "TITLEBAR_FONT"; diff --git a/src/meta/prefs.h b/src/meta/prefs.h index 6a5a94758..988763470 100644 --- a/src/meta/prefs.h +++ b/src/meta/prefs.h @@ -43,7 +43,6 @@ * @META_PREF_AUTO_RAISE: auto-raise * @META_PREF_AUTO_RAISE_DELAY: auto-raise delay * @META_PREF_FOCUS_CHANGE_ON_POINTER_REST: focus change on pointer rest - * @META_PREF_THEME: theme * @META_PREF_TITLEBAR_FONT: title-bar font * @META_PREF_NUM_WORKSPACES: number of workspaces * @META_PREF_DYNAMIC_WORKSPACES: dynamic workspaces @@ -81,7 +80,6 @@ typedef enum META_PREF_AUTO_RAISE, META_PREF_AUTO_RAISE_DELAY, META_PREF_FOCUS_CHANGE_ON_POINTER_REST, - META_PREF_THEME, META_PREF_TITLEBAR_FONT, META_PREF_NUM_WORKSPACES, META_PREF_DYNAMIC_WORKSPACES, @@ -128,7 +126,6 @@ GDesktopFocusMode meta_prefs_get_focus_mode (void); GDesktopFocusNewWindows meta_prefs_get_focus_new_windows (void); gboolean meta_prefs_get_attach_modal_dialogs (void); gboolean meta_prefs_get_raise_on_click (void); -const char* meta_prefs_get_theme (void); /* returns NULL if GTK default should be used */ const PangoFontDescription* meta_prefs_get_titlebar_font (void); int meta_prefs_get_num_workspaces (void); diff --git a/src/meta/theme.h b/src/meta/theme.h index 7394d7c0a..66325536f 100644 --- a/src/meta/theme.h +++ b/src/meta/theme.h @@ -34,10 +34,4 @@ MetaTheme* meta_theme_get_default (void); MetaTheme* meta_theme_new (void); void meta_theme_free (MetaTheme *theme); -gboolean meta_theme_validate (MetaTheme *theme, - GError **error); - -MetaTheme* meta_theme_load (const char *theme_name, - GError **err); - #endif diff --git a/src/ui/theme-parser.c b/src/ui/theme-parser.c deleted file mode 100644 index a9446258e..000000000 --- a/src/ui/theme-parser.c +++ /dev/null @@ -1,4325 +0,0 @@ -/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */ - -/* Metacity theme parsing */ - -/* - * Copyright (C) 2001 Havoc Pennington - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of the - * License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, see <http://www.gnu.org/licenses/>. - */ - -#include <config.h> -#include "theme-private.h" -#include "util-private.h" -#include <string.h> -#include <stdlib.h> - -/* We were intending to put the version number - * in the subdirectory name, but we ended up - * using the filename instead. The "-1" survives - * as a fossil. - */ -#define THEME_SUBDIR "metacity-1" - -/* Highest version of the theme format to - * look out for. - */ -#define THEME_MAJOR_VERSION 3 -#define THEME_MINOR_VERSION 5 -#define THEME_VERSION (1000 * THEME_MAJOR_VERSION + THEME_MINOR_VERSION) - -#define METACITY_THEME_FILENAME_FORMAT "metacity-theme-%d.xml" - -typedef enum -{ - STATE_START, - STATE_THEME, - /* info section */ - STATE_INFO, - STATE_NAME, - STATE_AUTHOR, - STATE_COPYRIGHT, - STATE_DATE, - STATE_DESCRIPTION, - /* constants */ - STATE_CONSTANT, - /* geometry */ - STATE_FRAME_GEOMETRY, - STATE_DISTANCE, - STATE_BORDER, - STATE_ASPECT_RATIO, - /* draw ops */ - STATE_DRAW_OPS, - STATE_LINE, - STATE_RECTANGLE, - STATE_ARC, - STATE_CLIP, - STATE_TINT, - STATE_GRADIENT, - STATE_IMAGE, - STATE_GTK_ARROW, - STATE_GTK_BOX, - STATE_GTK_VLINE, - STATE_ICON, - STATE_TITLE, - STATE_INCLUDE, /* include another draw op list */ - STATE_TILE, /* tile another draw op list */ - /* sub-parts of gradient */ - STATE_COLOR, - /* frame style */ - STATE_FRAME_STYLE, - STATE_PIECE, - STATE_BUTTON, - /* style set */ - STATE_FRAME_STYLE_SET, - STATE_FRAME, - /* assigning style sets to windows */ - STATE_WINDOW, - /* things we don't use any more but we can still parse: */ - STATE_MENU_ICON, - STATE_FALLBACK -} ParseState; - -typedef struct -{ - /* This two lists contain stacks of state and required version - * (cast to pointers.) There is one list item for each currently - * open element. */ - GSList *states; - GSList *required_versions; - - const char *theme_name; /* name of theme (directory it's in) */ - const char *theme_file; /* theme filename */ - const char *theme_dir; /* dir the theme is inside */ - MetaTheme *theme; /* theme being parsed */ - guint format_version; /* version of format of theme file */ - char *name; /* name of named thing being parsed */ - MetaFrameLayout *layout; /* layout being parsed if any */ - MetaDrawOpList *op_list; /* op list being parsed if any */ - MetaDrawOp *op; /* op being parsed if any */ - MetaFrameStyle *style; /* frame style being parsed if any */ - MetaFrameStyleSet *style_set; /* frame style set being parsed if any */ - MetaFramePiece piece; /* position of piece being parsed */ - MetaButtonType button_type; /* type of button/menuitem being parsed */ - MetaButtonState button_state; /* state of button being parsed */ - int skip_level; /* depth of elements that we're ignoring */ -} ParseInfo; - -typedef enum { - THEME_PARSE_ERROR_TOO_OLD, - THEME_PARSE_ERROR_TOO_FAILED -} ThemeParseError; - -static GQuark -theme_parse_error_quark (void) -{ - return g_quark_from_static_string ("theme-parse-error-quark"); -} - -#define THEME_PARSE_ERROR (theme_parse_error_quark ()) - -static void set_error (GError **err, - GMarkupParseContext *context, - int error_domain, - int error_code, - const char *format, - ...) G_GNUC_PRINTF (5, 6); - -static void add_context_to_error (GError **err, - GMarkupParseContext *context); - -static void parse_info_init (ParseInfo *info); -static void parse_info_free (ParseInfo *info); - -static void push_state (ParseInfo *info, - ParseState state); -static void pop_state (ParseInfo *info); -static ParseState peek_state (ParseInfo *info); - - -static void parse_toplevel_element (GMarkupParseContext *context, - const gchar *element_name, - const gchar **attribute_names, - const gchar **attribute_values, - ParseInfo *info, - GError **error); -static void parse_info_element (GMarkupParseContext *context, - const gchar *element_name, - const gchar **attribute_names, - const gchar **attribute_values, - ParseInfo *info, - GError **error); -static void parse_geometry_element (GMarkupParseContext *context, - const gchar *element_name, - const gchar **attribute_names, - const gchar **attribute_values, - ParseInfo *info, - GError **error); -static void parse_draw_op_element (GMarkupParseContext *context, - const gchar *element_name, - const gchar **attribute_names, - const gchar **attribute_values, - ParseInfo *info, - GError **error); -static void parse_gradient_element (GMarkupParseContext *context, - const gchar *element_name, - const gchar **attribute_names, - const gchar **attribute_values, - ParseInfo *info, - GError **error); -static void parse_style_element (GMarkupParseContext *context, - const gchar *element_name, - const gchar **attribute_names, - const gchar **attribute_values, - ParseInfo *info, - GError **error); -static void parse_style_set_element (GMarkupParseContext *context, - const gchar *element_name, - const gchar **attribute_names, - const gchar **attribute_values, - ParseInfo *info, - GError **error); - -static void parse_piece_element (GMarkupParseContext *context, - const gchar *element_name, - const gchar **attribute_names, - const gchar **attribute_values, - ParseInfo *info, - GError **error); - -static void parse_button_element (GMarkupParseContext *context, - const gchar *element_name, - const gchar **attribute_names, - const gchar **attribute_values, - ParseInfo *info, - GError **error); - -static void parse_menu_icon_element (GMarkupParseContext *context, - const gchar *element_name, - const gchar **attribute_names, - const gchar **attribute_values, - ParseInfo *info, - GError **error); - -static void start_element_handler (GMarkupParseContext *context, - const gchar *element_name, - const gchar **attribute_names, - const gchar **attribute_values, - gpointer user_data, - GError **error); -static void end_element_handler (GMarkupParseContext *context, - const gchar *element_name, - gpointer user_data, - GError **error); -static void text_handler (GMarkupParseContext *context, - const gchar *text, - gsize text_len, - gpointer user_data, - GError **error); - -/* Translators: This means that an attribute which should have been found - * on an XML element was not in fact found. - */ -#define ATTRIBUTE_NOT_FOUND _("No \"%s\" attribute on element <%s>") - -static GMarkupParser metacity_theme_parser = { - start_element_handler, - end_element_handler, - text_handler, - NULL, - NULL -}; - -static void -set_error (GError **err, - GMarkupParseContext *context, - int error_domain, - int error_code, - const char *format, - ...) -{ - int line, ch; - va_list args; - char *str; - - g_markup_parse_context_get_position (context, &line, &ch); - - va_start (args, format); - str = g_strdup_vprintf (format, args); - va_end (args); - - g_set_error (err, error_domain, error_code, - _("Line %d character %d: %s"), - line, ch, str); - - g_free (str); -} - -static void -add_context_to_error (GError **err, - GMarkupParseContext *context) -{ - int line, ch; - char *str; - - if (err == NULL || *err == NULL) - return; - - g_markup_parse_context_get_position (context, &line, &ch); - - str = g_strdup_printf (_("Line %d character %d: %s"), - line, ch, (*err)->message); - g_free ((*err)->message); - (*err)->message = str; -} - -static void -parse_info_init (ParseInfo *info) -{ - info->theme_file = NULL; - info->states = g_slist_prepend (NULL, GINT_TO_POINTER (STATE_START)); - info->required_versions = NULL; - info->theme = NULL; - info->name = NULL; - info->layout = NULL; - info->op_list = NULL; - info->op = NULL; - info->style = NULL; - info->style_set = NULL; - info->piece = META_FRAME_PIECE_LAST; - info->button_type = META_BUTTON_TYPE_LAST; - info->button_state = META_BUTTON_STATE_LAST; - info->skip_level = 0; -} - -static void -parse_info_free (ParseInfo *info) -{ - g_slist_free (info->states); - g_slist_free (info->required_versions); - - if (info->theme) - meta_theme_free (info->theme); - - if (info->layout) - meta_frame_layout_unref (info->layout); - - if (info->op_list) - meta_draw_op_list_unref (info->op_list); - - if (info->op) - meta_draw_op_free (info->op); - - if (info->style) - meta_frame_style_unref (info->style); - - if (info->style_set) - meta_frame_style_set_unref (info->style_set); -} - -static void -push_state (ParseInfo *info, - ParseState state) -{ - info->states = g_slist_prepend (info->states, GINT_TO_POINTER (state)); -} - -static void -pop_state (ParseInfo *info) -{ - g_return_if_fail (info->states != NULL); - - info->states = g_slist_remove (info->states, info->states->data); -} - -static ParseState -peek_state (ParseInfo *info) -{ - g_return_val_if_fail (info->states != NULL, STATE_START); - - return GPOINTER_TO_INT (info->states->data); -} - -static void -push_required_version (ParseInfo *info, - int version) -{ - info->required_versions = g_slist_prepend (info->required_versions, - GINT_TO_POINTER (version)); -} - -static void -pop_required_version (ParseInfo *info) -{ - g_return_if_fail (info->required_versions != NULL); - - info->required_versions = g_slist_delete_link (info->required_versions, info->required_versions); -} - -static int -peek_required_version (ParseInfo *info) -{ - if (info->required_versions) - return GPOINTER_TO_INT (info->required_versions->data); - else - return info->format_version; -} - -#define ELEMENT_IS(name) (strcmp (element_name, (name)) == 0) - -typedef struct -{ - const char *name; - const char **retloc; - gboolean required; -} LocateAttr; - -/* Attribute names can have a leading '!' to indicate that they are - * required. - */ -static gboolean -locate_attributes (GMarkupParseContext *context, - const char *element_name, - const char **attribute_names, - const char **attribute_values, - GError **error, - const char *first_attribute_name, - const char **first_attribute_retloc, - ...) -{ - va_list args; - const char *name; - const char **retloc; - int n_attrs; -#define MAX_ATTRS 24 - LocateAttr attrs[MAX_ATTRS]; - gboolean retval; - int i; - - g_return_val_if_fail (first_attribute_name != NULL, FALSE); - g_return_val_if_fail (first_attribute_retloc != NULL, FALSE); - - retval = TRUE; - - /* FIXME: duplicated code; refactor loop */ - n_attrs = 1; - attrs[0].name = first_attribute_name; - attrs[0].retloc = first_attribute_retloc; - attrs[0].required = attrs[0].name[0]=='!'; - if (attrs[0].required) - attrs[0].name++; /* skip past it */ - *first_attribute_retloc = NULL; - - va_start (args, first_attribute_retloc); - - name = va_arg (args, const char*); - retloc = va_arg (args, const char**); - - while (name != NULL) - { - if (retloc == NULL) - { - retval = FALSE; - goto out; - } - - g_assert (n_attrs < MAX_ATTRS); - - attrs[n_attrs].name = name; - attrs[n_attrs].retloc = retloc; - attrs[n_attrs].required = attrs[n_attrs].name[0]=='!'; - if (attrs[n_attrs].required) - attrs[n_attrs].name++; /* skip past it */ - - n_attrs += 1; - *retloc = NULL; - - name = va_arg (args, const char*); - retloc = va_arg (args, const char**); - } - - va_end (args); - - i = 0; - while (attribute_names[i]) - { - int j; - gboolean found; - - /* Can be present anywhere */ - if (strcmp (attribute_names[i], "version") == 0) - { - ++i; - continue; - } - - found = FALSE; - j = 0; - while (j < n_attrs) - { - if (strcmp (attrs[j].name, attribute_names[i]) == 0) - { - retloc = attrs[j].retloc; - - if (*retloc != NULL) - { - - set_error (error, context, - G_MARKUP_ERROR, - G_MARKUP_ERROR_PARSE, - _("Attribute \"%s\" repeated twice on the same <%s> element"), - attrs[j].name, element_name); - retval = FALSE; - goto out; - } - - *retloc = attribute_values[i]; - found = TRUE; - } - - ++j; - } - - if (!found) - { - j = 0; - while (j < n_attrs) - { - g_warning ("It could have been %s.\n", attrs[j++].name); - } - - set_error (error, context, - G_MARKUP_ERROR, - G_MARKUP_ERROR_PARSE, - _("Attribute \"%s\" is invalid on <%s> element in this context"), - attribute_names[i], element_name); - retval = FALSE; - goto out; - } - - ++i; - } - - /* Did we catch them all? */ - i = 0; - while (i < n_attrs) - { - if (attrs[i].required && *(attrs[i].retloc)==NULL) - { - set_error (error, context, - G_MARKUP_ERROR, - G_MARKUP_ERROR_PARSE, - ATTRIBUTE_NOT_FOUND, - attrs[i].name, element_name); - retval = FALSE; - goto out; - } - - ++i; - } - - out: - return retval; -} - -static gboolean -check_no_attributes (GMarkupParseContext *context, - const char *element_name, - const char **attribute_names, - const char **attribute_values, - GError **error) -{ - int i = 0; - - /* Can be present anywhere */ - if (attribute_names[0] && strcmp (attribute_names[i], "version") == 0) - i++; - - if (attribute_names[i] != NULL) - { - set_error (error, context, - G_MARKUP_ERROR, - G_MARKUP_ERROR_PARSE, - _("Attribute \"%s\" is invalid on <%s> element in this context"), - attribute_names[0], element_name); - return FALSE; - } - - return TRUE; -} - -#define MAX_REASONABLE 4096 -static gboolean -parse_positive_integer (const char *str, - int *val, - GMarkupParseContext *context, - MetaTheme *theme, - GError **error) -{ - char *end; - long l; - int j; - - *val = 0; - - end = NULL; - - /* Is str a constant? */ - - if (META_THEME_ALLOWS (theme, META_THEME_UBIQUITOUS_CONSTANTS) && - meta_theme_lookup_int_constant (theme, str, &j)) - { - /* Yes. */ - l = j; - } - else - { - /* No. Let's try parsing it instead. */ - - l = strtol (str, &end, 10); - - if (end == NULL || end == str) - { - set_error (error, context, G_MARKUP_ERROR, - G_MARKUP_ERROR_PARSE, - _("Could not parse \"%s\" as an integer"), - str); - return FALSE; - } - - if (*end != '\0') - { - set_error (error, context, G_MARKUP_ERROR, - G_MARKUP_ERROR_PARSE, - _("Did not understand trailing characters \"%s\" in string \"%s\""), - end, str); - return FALSE; - } - } - - if (l < 0) - { - set_error (error, context, G_MARKUP_ERROR, - G_MARKUP_ERROR_PARSE, - _("Integer %ld must be positive"), l); - return FALSE; - } - - if (l > MAX_REASONABLE) - { - set_error (error, context, G_MARKUP_ERROR, - G_MARKUP_ERROR_PARSE, - _("Integer %ld is too large, current max is %d"), - l, MAX_REASONABLE); - return FALSE; - } - - *val = (int) l; - - return TRUE; -} - -static gboolean -parse_double (const char *str, - double *val, - GMarkupParseContext *context, - GError **error) -{ - char *end; - - *val = 0; - - end = NULL; - - *val = g_ascii_strtod (str, &end); - - if (end == NULL || end == str) - { - set_error (error, context, G_MARKUP_ERROR, - G_MARKUP_ERROR_PARSE, - _("Could not parse \"%s\" as a floating point number"), - str); - return FALSE; - } - - if (*end != '\0') - { - set_error (error, context, G_MARKUP_ERROR, - G_MARKUP_ERROR_PARSE, - _("Did not understand trailing characters \"%s\" in string \"%s\""), - end, str); - return FALSE; - } - - return TRUE; -} - -static gboolean -parse_boolean (const char *str, - gboolean *val, - GMarkupParseContext *context, - GError **error) -{ - if (strcmp ("true", str) == 0) - *val = TRUE; - else if (strcmp ("false", str) == 0) - *val = FALSE; - else - { - set_error (error, context, G_MARKUP_ERROR, - G_MARKUP_ERROR_PARSE, - _("Boolean values must be \"true\" or \"false\" not \"%s\""), - str); - return FALSE; - } - - return TRUE; -} - -static gboolean -parse_rounding (const char *str, - guint *val, - GMarkupParseContext *context, - MetaTheme *theme, - GError **error) -{ - if (strcmp ("true", str) == 0) - *val = 5; /* historical "true" value */ - else if (strcmp ("false", str) == 0) - *val = 0; - else - { - int tmp; - gboolean result; - if (!META_THEME_ALLOWS (theme, META_THEME_VARIED_ROUND_CORNERS)) - { - /* Not known in this version, so bail. */ - set_error (error, context, G_MARKUP_ERROR, - G_MARKUP_ERROR_PARSE, - _("Boolean values must be \"true\" or \"false\" not \"%s\""), - str); - return FALSE; - } - - result = parse_positive_integer (str, &tmp, context, theme, error); - - *val = tmp; - - return result; - } - - return TRUE; -} - -static gboolean -parse_angle (const char *str, - double *val, - GMarkupParseContext *context, - GError **error) -{ - if (!parse_double (str, val, context, error)) - return FALSE; - - if (*val < (0.0 - 1e6) || *val > (360.0 + 1e6)) - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("Angle must be between 0.0 and 360.0, was %g\n"), - *val); - return FALSE; - } - - return TRUE; -} - -static gboolean -parse_alpha (const char *str, - MetaAlphaGradientSpec **spec_ret, - GMarkupParseContext *context, - GError **error) -{ - char **split; - int i; - int n_alphas; - MetaAlphaGradientSpec *spec; - - *spec_ret = NULL; - - split = g_strsplit (str, ":", -1); - - i = 0; - while (split[i]) - ++i; - - if (i == 0) - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("Could not parse \"%s\" as a floating point number"), - str); - - g_strfreev (split); - - return FALSE; - } - - n_alphas = i; - - spec = meta_alpha_gradient_spec_new (META_GRADIENT_HORIZONTAL, - n_alphas); - - i = 0; - while (i < n_alphas) - { - double v; - - if (!parse_double (split[i], &v, context, error)) - { - /* clear up, but don't set error: it was set by parse_double */ - g_strfreev (split); - meta_alpha_gradient_spec_free (spec); - - return FALSE; - } - - if (v < (0.0 - 1e-6) || v > (1.0 + 1e-6)) - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("Alpha must be between 0.0 (invisible) and 1.0 (fully opaque), was %g\n"), - v); - - g_strfreev (split); - meta_alpha_gradient_spec_free (spec); - - return FALSE; - } - - spec->alphas[i] = (unsigned char) (v * 255); - - ++i; - } - - g_strfreev (split); - - *spec_ret = spec; - - return TRUE; -} - -static MetaColorSpec* -parse_color (MetaTheme *theme, - const char *str, - GError **err) -{ - char* referent; - - if (META_THEME_ALLOWS (theme, META_THEME_COLOR_CONSTANTS) && - meta_theme_lookup_color_constant (theme, str, &referent)) - { - if (referent) - return meta_color_spec_new_from_string (referent, err); - - /* no need to free referent: it's a pointer into the actual hash table */ - } - - return meta_color_spec_new_from_string (str, err); -} - -static gboolean -parse_title_scale (const char *str, - double *val, - GMarkupParseContext *context, - GError **error) -{ - double factor; - - if (strcmp (str, "xx-small") == 0) - factor = PANGO_SCALE_XX_SMALL; - else if (strcmp (str, "x-small") == 0) - factor = PANGO_SCALE_X_SMALL; - else if (strcmp (str, "small") == 0) - factor = PANGO_SCALE_SMALL; - else if (strcmp (str, "medium") == 0) - factor = PANGO_SCALE_MEDIUM; - else if (strcmp (str, "large") == 0) - factor = PANGO_SCALE_LARGE; - else if (strcmp (str, "x-large") == 0) - factor = PANGO_SCALE_X_LARGE; - else if (strcmp (str, "xx-large") == 0) - factor = PANGO_SCALE_XX_LARGE; - else - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("Invalid title scale \"%s\" (must be one of xx-small,x-small,small,medium,large,x-large,xx-large)\n"), - str); - return FALSE; - } - - *val = factor; - - return TRUE; -} - -static void -parse_toplevel_element (GMarkupParseContext *context, - const gchar *element_name, - const gchar **attribute_names, - const gchar **attribute_values, - ParseInfo *info, - GError **error) -{ - g_return_if_fail (peek_state (info) == STATE_THEME); - - if (ELEMENT_IS ("info")) - { - if (!check_no_attributes (context, element_name, - attribute_names, attribute_values, - error)) - return; - - push_state (info, STATE_INFO); - } - else if (ELEMENT_IS ("constant")) - { - const char *name; - const char *value; - int ival = 0; - double dval = 0.0; - - if (!locate_attributes (context, element_name, attribute_names, attribute_values, - error, - "!name", &name, "!value", &value, - NULL)) - return; - - /* We don't know how a a constant is going to be used, so we have guess its - * type from its contents: - * - * - Starts like a number and contains a '.': float constant - * - Starts like a number and doesn't contain a '.': int constant - * - Starts with anything else: a color constant. - * (colors always start with # or a letter) - */ - if (value[0] == '.' || value[0] == '+' || value[0] == '-' || (value[0] >= '0' && value[0] <= '9')) - { - if (strchr (value, '.')) - { - if (!parse_double (value, &dval, context, error)) - return; - - if (!meta_theme_define_float_constant (info->theme, - name, - dval, - error)) - { - add_context_to_error (error, context); - return; - } - } - else - { - if (!parse_positive_integer (value, &ival, context, info->theme, error)) - return; - - if (!meta_theme_define_int_constant (info->theme, - name, - ival, - error)) - { - add_context_to_error (error, context); - return; - } - } - } - else - { - if (!meta_theme_define_color_constant (info->theme, - name, - value, - error)) - { - add_context_to_error (error, context); - return; - } - } - - push_state (info, STATE_CONSTANT); - } - else if (ELEMENT_IS ("frame_geometry")) - { - const char *name = NULL; - const char *parent = NULL; - const char *has_title = NULL; - const char *title_scale = NULL; - const char *rounded_top_left = NULL; - const char *rounded_top_right = NULL; - const char *rounded_bottom_left = NULL; - const char *rounded_bottom_right = NULL; - const char *hide_buttons = NULL; - gboolean has_title_val; - guint rounded_top_left_val; - guint rounded_top_right_val; - guint rounded_bottom_left_val; - guint rounded_bottom_right_val; - gboolean hide_buttons_val; - double title_scale_val; - MetaFrameLayout *parent_layout; - - if (!locate_attributes (context, element_name, attribute_names, attribute_values, - error, - "!name", &name, "parent", &parent, - "has_title", &has_title, "title_scale", &title_scale, - "rounded_top_left", &rounded_top_left, - "rounded_top_right", &rounded_top_right, - "rounded_bottom_left", &rounded_bottom_left, - "rounded_bottom_right", &rounded_bottom_right, - "hide_buttons", &hide_buttons, - NULL)) - return; - - has_title_val = TRUE; - if (has_title && !parse_boolean (has_title, &has_title_val, context, error)) - return; - - hide_buttons_val = FALSE; - if (hide_buttons && !parse_boolean (hide_buttons, &hide_buttons_val, context, error)) - return; - - rounded_top_left_val = 0; - rounded_top_right_val = 0; - rounded_bottom_left_val = 0; - rounded_bottom_right_val = 0; - - if (rounded_top_left && !parse_rounding (rounded_top_left, &rounded_top_left_val, context, info->theme, error)) - return; - if (rounded_top_right && !parse_rounding (rounded_top_right, &rounded_top_right_val, context, info->theme, error)) - return; - if (rounded_bottom_left && !parse_rounding (rounded_bottom_left, &rounded_bottom_left_val, context, info->theme, error)) - return; - if (rounded_bottom_right && !parse_rounding (rounded_bottom_right, &rounded_bottom_right_val, context, info->theme, error)) - return; - - title_scale_val = 1.0; - if (title_scale && !parse_title_scale (title_scale, &title_scale_val, context, error)) - return; - - if (meta_theme_lookup_layout (info->theme, name)) - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("<%s> name \"%s\" used a second time"), - element_name, name); - return; - } - - parent_layout = NULL; - if (parent) - { - parent_layout = meta_theme_lookup_layout (info->theme, parent); - if (parent_layout == NULL) - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("<%s> parent \"%s\" has not been defined"), - element_name, parent); - return; - } - } - - g_assert (info->layout == NULL); - - if (parent_layout) - info->layout = meta_frame_layout_copy (parent_layout); - else - info->layout = meta_frame_layout_new (); - - if (has_title) /* only if explicit, otherwise inherit */ - info->layout->has_title = has_title_val; - - if (META_THEME_ALLOWS (info->theme, META_THEME_HIDDEN_BUTTONS) && hide_buttons_val) - info->layout->hide_buttons = hide_buttons_val; - - if (title_scale) - info->layout->title_scale = title_scale_val; - - if (rounded_top_left) - info->layout->top_left_corner_rounded_radius = rounded_top_left_val; - - if (rounded_top_right) - info->layout->top_right_corner_rounded_radius = rounded_top_right_val; - - if (rounded_bottom_left) - info->layout->bottom_left_corner_rounded_radius = rounded_bottom_left_val; - - if (rounded_bottom_right) - info->layout->bottom_right_corner_rounded_radius = rounded_bottom_right_val; - - meta_theme_insert_layout (info->theme, name, info->layout); - - push_state (info, STATE_FRAME_GEOMETRY); - } - else if (ELEMENT_IS ("draw_ops")) - { - const char *name = NULL; - - if (!locate_attributes (context, element_name, attribute_names, attribute_values, - error, - "!name", &name, - NULL)) - return; - - if (meta_theme_lookup_draw_op_list (info->theme, name)) - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("<%s> name \"%s\" used a second time"), - element_name, name); - return; - } - - g_assert (info->op_list == NULL); - info->op_list = meta_draw_op_list_new (2); - - meta_theme_insert_draw_op_list (info->theme, name, info->op_list); - - push_state (info, STATE_DRAW_OPS); - } - else if (ELEMENT_IS ("frame_style")) - { - const char *name = NULL; - const char *parent = NULL; - const char *geometry = NULL; - const char *background = NULL; - const char *alpha = NULL; - MetaFrameStyle *parent_style; - MetaFrameLayout *layout; - - if (!locate_attributes (context, element_name, attribute_names, attribute_values, - error, - "!name", &name, "parent", &parent, - "geometry", &geometry, - "background", &background, - "alpha", &alpha, - NULL)) - return; - - if (meta_theme_lookup_style (info->theme, name)) - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("<%s> name \"%s\" used a second time"), - element_name, name); - return; - } - - parent_style = NULL; - if (parent) - { - parent_style = meta_theme_lookup_style (info->theme, parent); - if (parent_style == NULL) - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("<%s> parent \"%s\" has not been defined"), - element_name, parent); - return; - } - } - - layout = NULL; - if (geometry) - { - layout = meta_theme_lookup_layout (info->theme, geometry); - if (layout == NULL) - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("<%s> geometry \"%s\" has not been defined"), - element_name, geometry); - return; - } - } - else if (parent_style) - { - layout = parent_style->layout; - } - - if (layout == NULL) - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("<%s> must specify either a geometry or a parent that has a geometry"), - element_name); - return; - } - - g_assert (info->style == NULL); - - info->style = meta_frame_style_new (parent_style); - g_assert (info->style->layout == NULL); - meta_frame_layout_ref (layout); - info->style->layout = layout; - - if (background != NULL && META_THEME_ALLOWS (info->theme, META_THEME_FRAME_BACKGROUNDS)) - { - info->style->window_background_color = meta_color_spec_new_from_string (background, error); - if (!info->style->window_background_color) - return; - - if (alpha != NULL) - { - - gboolean success; - MetaAlphaGradientSpec *alpha_vector; - - g_clear_error (error); - /* fortunately, we already have a routine to parse alpha values, - * though it produces a vector of them, which is a superset of - * what we want. - */ - success = parse_alpha (alpha, &alpha_vector, context, error); - if (!success) - return; - - /* alpha_vector->alphas must contain at least one element */ - info->style->window_background_alpha = alpha_vector->alphas[0]; - - meta_alpha_gradient_spec_free (alpha_vector); - } - } - else if (alpha != NULL) - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("You must specify a background for an alpha value to be meaningful")); - return; - } - - meta_theme_insert_style (info->theme, name, info->style); - - push_state (info, STATE_FRAME_STYLE); - } - else if (ELEMENT_IS ("frame_style_set")) - { - const char *name = NULL; - const char *parent = NULL; - MetaFrameStyleSet *parent_set; - - if (!locate_attributes (context, element_name, attribute_names, attribute_values, - error, - "!name", &name, "parent", &parent, - NULL)) - return; - - if (meta_theme_lookup_style_set (info->theme, name)) - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("<%s> name \"%s\" used a second time"), - element_name, name); - return; - } - - parent_set = NULL; - if (parent) - { - parent_set = meta_theme_lookup_style_set (info->theme, parent); - if (parent_set == NULL) - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("<%s> parent \"%s\" has not been defined"), - element_name, parent); - return; - } - } - - g_assert (info->style_set == NULL); - - info->style_set = meta_frame_style_set_new (parent_set); - - meta_theme_insert_style_set (info->theme, name, info->style_set); - - push_state (info, STATE_FRAME_STYLE_SET); - } - else if (ELEMENT_IS ("window")) - { - const char *type_name = NULL; - const char *style_set_name = NULL; - MetaFrameStyleSet *style_set; - MetaFrameType type; - - if (!locate_attributes (context, element_name, attribute_names, attribute_values, - error, - "!type", &type_name, "!style_set", &style_set_name, - NULL)) - return; - - type = meta_frame_type_from_string (type_name); - - if (type == META_FRAME_TYPE_LAST || - (type == META_FRAME_TYPE_ATTACHED && peek_required_version (info) < 3002)) - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("Unknown type \"%s\" on <%s> element"), - type_name, element_name); - return; - } - - style_set = meta_theme_lookup_style_set (info->theme, - style_set_name); - - if (style_set == NULL) - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("Unknown style_set \"%s\" on <%s> element"), - style_set_name, element_name); - return; - } - - if (info->theme->style_sets_by_type[type] != NULL) - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("Window type \"%s\" has already been assigned a style set"), - type_name); - return; - } - - meta_frame_style_set_ref (style_set); - info->theme->style_sets_by_type[type] = style_set; - - push_state (info, STATE_WINDOW); - } - else if (ELEMENT_IS ("menu_icon")) - { - /* Not supported any more, but we have to parse it if they include it, - * for backwards compatibility. - */ - g_assert (info->op_list == NULL); - - push_state (info, STATE_MENU_ICON); - } - else if (ELEMENT_IS ("fallback")) - { - /* Not supported any more, but we have to parse it if they include it, - * for backwards compatibility. - */ - push_state (info, STATE_FALLBACK); - } - else - { - set_error (error, context, - G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("Element <%s> is not allowed below <%s>"), - element_name, "metacity_theme"); - } -} - -static void -parse_info_element (GMarkupParseContext *context, - const gchar *element_name, - const gchar **attribute_names, - const gchar **attribute_values, - ParseInfo *info, - GError **error) -{ - g_return_if_fail (peek_state (info) == STATE_INFO); - - if (ELEMENT_IS ("name")) - { - if (!check_no_attributes (context, element_name, - attribute_names, attribute_values, - error)) - return; - - push_state (info, STATE_NAME); - } - else if (ELEMENT_IS ("author")) - { - if (!check_no_attributes (context, element_name, - attribute_names, attribute_values, - error)) - return; - - push_state (info, STATE_AUTHOR); - } - else if (ELEMENT_IS ("copyright")) - { - if (!check_no_attributes (context, element_name, - attribute_names, attribute_values, - error)) - return; - - push_state (info, STATE_COPYRIGHT); - } - else if (ELEMENT_IS ("description")) - { - if (!check_no_attributes (context, element_name, - attribute_names, attribute_values, - error)) - return; - - push_state (info, STATE_DESCRIPTION); - } - else if (ELEMENT_IS ("date")) - { - if (!check_no_attributes (context, element_name, - attribute_names, attribute_values, - error)) - return; - - push_state (info, STATE_DATE); - } - else - { - set_error (error, context, - G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("Element <%s> is not allowed below <%s>"), - element_name, "info"); - } -} - -static void -parse_distance (GMarkupParseContext *context, - const gchar *element_name, - const gchar **attribute_names, - const gchar **attribute_values, - ParseInfo *info, - GError **error) -{ - const char *name; - const char *value; - int val; - - if (!locate_attributes (context, element_name, attribute_names, attribute_values, - error, - "!name", &name, "!value", &value, - NULL)) - return; - - val = 0; - if (!parse_positive_integer (value, &val, context, info->theme, error)) - return; - - g_assert (val >= 0); /* yeah, "non-negative" not "positive" get over it */ - g_assert (info->layout); - - if (strcmp (name, "left_width") == 0) - info->layout->left_width = val; - else if (strcmp (name, "right_width") == 0) - info->layout->right_width = val; - else if (strcmp (name, "bottom_height") == 0) - info->layout->bottom_height = val; - else if (strcmp (name, "title_vertical_pad") == 0) - info->layout->title_vertical_pad = val; - else if (strcmp (name, "right_titlebar_edge") == 0) - info->layout->right_titlebar_edge = val; - else if (strcmp (name, "left_titlebar_edge") == 0) - info->layout->left_titlebar_edge = val; - else if (strcmp (name, "button_width") == 0) - { - info->layout->button_width = val; - - if (!(info->layout->button_sizing == META_BUTTON_SIZING_LAST || - info->layout->button_sizing == META_BUTTON_SIZING_FIXED)) - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("Cannot specify both \"button_width\"/\"button_height\" and \"aspect_ratio\" for buttons")); - return; - } - - info->layout->button_sizing = META_BUTTON_SIZING_FIXED; - } - else if (strcmp (name, "button_height") == 0) - { - info->layout->button_height = val; - - if (!(info->layout->button_sizing == META_BUTTON_SIZING_LAST || - info->layout->button_sizing == META_BUTTON_SIZING_FIXED)) - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("Cannot specify both \"button_width\"/\"button_height\" and \"aspect_ratio\" for buttons")); - return; - } - - info->layout->button_sizing = META_BUTTON_SIZING_FIXED; - } - else - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("Distance \"%s\" is unknown"), name); - return; - } -} - -static void -parse_aspect_ratio (GMarkupParseContext *context, - const gchar *element_name, - const gchar **attribute_names, - const gchar **attribute_values, - ParseInfo *info, - GError **error) -{ - const char *name; - const char *value; - double val; - - if (!locate_attributes (context, element_name, attribute_names, attribute_values, - error, - "!name", &name, "!value", &value, - NULL)) - return; - - val = 0; - if (!parse_double (value, &val, context, error)) - return; - - g_assert (info->layout); - - if (strcmp (name, "button") == 0) - { - info->layout->button_aspect = val; - - if (info->layout->button_sizing != META_BUTTON_SIZING_LAST) - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("Cannot specify both \"button_width\"/\"button_height\" and \"aspect_ratio\" for buttons")); - return; - } - - info->layout->button_sizing = META_BUTTON_SIZING_ASPECT; - } - else - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("Aspect ratio \"%s\" is unknown"), name); - return; - } -} - -static void -parse_border (GMarkupParseContext *context, - const gchar *element_name, - const gchar **attribute_names, - const gchar **attribute_values, - ParseInfo *info, - GError **error) -{ - const char *name; - const char *top; - const char *bottom; - const char *left; - const char *right; - int top_val; - int bottom_val; - int left_val; - int right_val; - GtkBorder *border; - - if (!locate_attributes (context, element_name, attribute_names, attribute_values, - error, - "!name", &name, - "!top", &top, - "!bottom", &bottom, - "!left", &left, - "!right", &right, - NULL)) - return; - - top_val = 0; - if (!parse_positive_integer (top, &top_val, context, info->theme, error)) - return; - - bottom_val = 0; - if (!parse_positive_integer (bottom, &bottom_val, context, info->theme, error)) - return; - - left_val = 0; - if (!parse_positive_integer (left, &left_val, context, info->theme, error)) - return; - - right_val = 0; - if (!parse_positive_integer (right, &right_val, context, info->theme, error)) - return; - - g_assert (info->layout); - - border = NULL; - - if (strcmp (name, "title_border") == 0) - border = &info->layout->title_border; - else if (strcmp (name, "button_border") == 0) - border = &info->layout->button_border; - - if (border == NULL) - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("Border \"%s\" is unknown"), name); - return; - } - - border->top = top_val; - border->bottom = bottom_val; - border->left = left_val; - border->right = right_val; -} - -static void -parse_geometry_element (GMarkupParseContext *context, - const gchar *element_name, - const gchar **attribute_names, - const gchar **attribute_values, - ParseInfo *info, - GError **error) -{ - g_return_if_fail (peek_state (info) == STATE_FRAME_GEOMETRY); - - if (ELEMENT_IS ("distance")) - { - parse_distance (context, element_name, - attribute_names, attribute_values, - info, error); - push_state (info, STATE_DISTANCE); - } - else if (ELEMENT_IS ("border")) - { - parse_border (context, element_name, - attribute_names, attribute_values, - info, error); - push_state (info, STATE_BORDER); - } - else if (ELEMENT_IS ("aspect_ratio")) - { - parse_aspect_ratio (context, element_name, - attribute_names, attribute_values, - info, error); - - push_state (info, STATE_ASPECT_RATIO); - } - else - { - set_error (error, context, - G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("Element <%s> is not allowed below <%s>"), - element_name, "frame_geometry"); - } -} - -#if 0 -static gboolean -check_expression (PosToken *tokens, - int n_tokens, - gboolean has_object, - MetaTheme *theme, - GMarkupParseContext *context, - GError **error) -{ - MetaPositionExprEnv env; - int x, y; - - /* We set it all to 0 to try and catch divide-by-zero screwups. - * it's possible we should instead guarantee that widths and heights - * are at least 1. - */ - - env.rect = meta_rect (0, 0, 0, 0); - if (has_object) - { - env.object_width = 0; - env.object_height = 0; - } - else - { - env.object_width = -1; - env.object_height = -1; - } - - env.left_width = 0; - env.right_width = 0; - env.top_height = 0; - env.bottom_height = 0; - env.title_width = 0; - env.title_height = 0; - - env.icon_width = 0; - env.icon_height = 0; - env.mini_icon_width = 0; - env.mini_icon_height = 0; - env.theme = theme; - - if (!meta_parse_position_expression (tokens, n_tokens, - &env, - &x, &y, - error)) - { - add_context_to_error (error, context); - return FALSE; - } - - return TRUE; -} -#endif - -static void -parse_draw_op_element (GMarkupParseContext *context, - const gchar *element_name, - const gchar **attribute_names, - const gchar **attribute_values, - ParseInfo *info, - GError **error) -{ - g_return_if_fail (peek_state (info) == STATE_DRAW_OPS); - - if (ELEMENT_IS ("line")) - { - MetaDrawOp *op; - const char *color; - const char *x1; - const char *y1; - const char *x2; - const char *y2; - const char *dash_on_length; - const char *dash_off_length; - const char *width; - MetaColorSpec *color_spec; - int dash_on_val; - int dash_off_val; - int width_val; - - if (!locate_attributes (context, element_name, attribute_names, attribute_values, - error, - "!color", &color, - "!x1", &x1, "!y1", &y1, - "!x2", &x2, "!y2", &y2, - "dash_on_length", &dash_on_length, - "dash_off_length", &dash_off_length, - "width", &width, - NULL)) - return; - -#if 0 - if (!check_expression (x1, FALSE, info->theme, context, error)) - return; - - if (!check_expression (y1, FALSE, info->theme, context, error)) - return; - - if (!check_expression (x2, FALSE, info->theme, context, error)) - return; - - if (!check_expression (y2, FALSE, info->theme, context, error)) - return; -#endif - - dash_on_val = 0; - if (dash_on_length && - !parse_positive_integer (dash_on_length, &dash_on_val, context, info->theme, error)) - return; - - dash_off_val = 0; - if (dash_off_length && - !parse_positive_integer (dash_off_length, &dash_off_val, context, info->theme, error)) - return; - - width_val = 0; - if (width && - !parse_positive_integer (width, &width_val, context, info->theme, error)) - return; - - /* Check last so we don't have to free it when other - * stuff fails - */ - color_spec = parse_color (info->theme, color, error); - if (color_spec == NULL) - { - add_context_to_error (error, context); - return; - } - - op = meta_draw_op_new (META_DRAW_LINE); - - op->data.line.color_spec = color_spec; - - op->data.line.x1 = meta_draw_spec_new (info->theme, x1, NULL); - op->data.line.y1 = meta_draw_spec_new (info->theme, y1, NULL); - - if (strcmp(x1, x2)==0) - op->data.line.x2 = NULL; - else - op->data.line.x2 = meta_draw_spec_new (info->theme, x2, NULL); - - if (strcmp(y1, y2)==0) - op->data.line.y2 = NULL; - else - op->data.line.y2 = meta_draw_spec_new (info->theme, y2, NULL); - - op->data.line.width = width_val; - op->data.line.dash_on_length = dash_on_val; - op->data.line.dash_off_length = dash_off_val; - - g_assert (info->op_list); - - meta_draw_op_list_append (info->op_list, op); - - push_state (info, STATE_LINE); - } - else if (ELEMENT_IS ("rectangle")) - { - MetaDrawOp *op; - const char *color; - const char *x; - const char *y; - const char *width; - const char *height; - const char *filled; - gboolean filled_val; - MetaColorSpec *color_spec; - - if (!locate_attributes (context, element_name, attribute_names, attribute_values, - error, - "!color", &color, - "!x", &x, "!y", &y, - "!width", &width, "!height", &height, - "filled", &filled, - NULL)) - return; - -#if 0 - if (!check_expression (x, FALSE, info->theme, context, error)) - return; - - if (!check_expression (y, FALSE, info->theme, context, error)) - return; - - if (!check_expression (width, FALSE, info->theme, context, error)) - return; - - if (!check_expression (height, FALSE, info->theme, context, error)) - return; -#endif - - filled_val = FALSE; - if (filled && !parse_boolean (filled, &filled_val, context, error)) - return; - - /* Check last so we don't have to free it when other - * stuff fails - */ - color_spec = parse_color (info->theme, color, error); - if (color_spec == NULL) - { - add_context_to_error (error, context); - return; - } - - op = meta_draw_op_new (META_DRAW_RECTANGLE); - - op->data.rectangle.color_spec = color_spec; - op->data.rectangle.x = meta_draw_spec_new (info->theme, x, NULL); - op->data.rectangle.y = meta_draw_spec_new (info->theme, y, NULL); - op->data.rectangle.width = meta_draw_spec_new (info->theme, width, NULL); - op->data.rectangle.height = meta_draw_spec_new (info->theme, - height, NULL); - - op->data.rectangle.filled = filled_val; - - g_assert (info->op_list); - - meta_draw_op_list_append (info->op_list, op); - - push_state (info, STATE_RECTANGLE); - } - else if (ELEMENT_IS ("arc")) - { - MetaDrawOp *op; - const char *color; - const char *x; - const char *y; - const char *width; - const char *height; - const char *filled; - const char *start_angle; - const char *extent_angle; - const char *from; - const char *to; - gboolean filled_val; - double start_angle_val; - double extent_angle_val; - MetaColorSpec *color_spec; - - if (!locate_attributes (context, element_name, attribute_names, attribute_values, - error, - "!color", &color, - "!x", &x, "!y", &y, - "!width", &width, "!height", &height, - "filled", &filled, - "start_angle", &start_angle, - "extent_angle", &extent_angle, - "from", &from, - "to", &to, - NULL)) - return; - - if (META_THEME_ALLOWS (info->theme, META_THEME_DEGREES_IN_ARCS) ) - { - if (start_angle == NULL && from == NULL) - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("No \"start_angle\" or \"from\" attribute on element <%s>"), element_name); - return; - } - - if (extent_angle == NULL && to == NULL) - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("No \"extent_angle\" or \"to\" attribute on element <%s>"), element_name); - return; - } - } - else - { - if (start_angle == NULL) - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - ATTRIBUTE_NOT_FOUND, "start_angle", element_name); - return; - } - - if (extent_angle == NULL) - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - ATTRIBUTE_NOT_FOUND, "extent_angle", element_name); - return; - } - } - -#if 0 - if (!check_expression (x, FALSE, info->theme, context, error)) - return; - - if (!check_expression (y, FALSE, info->theme, context, error)) - return; - - if (!check_expression (width, FALSE, info->theme, context, error)) - return; - - if (!check_expression (height, FALSE, info->theme, context, error)) - return; -#endif - - if (start_angle == NULL) - { - if (!parse_angle (from, &start_angle_val, context, error)) - return; - - start_angle_val = (180-start_angle_val)/360.0; - } - else - { - if (!parse_angle (start_angle, &start_angle_val, context, error)) - return; - } - - if (extent_angle == NULL) - { - if (!parse_angle (to, &extent_angle_val, context, error)) - return; - - extent_angle_val = ((180-extent_angle_val)/360.0) - start_angle_val; - } - else - { - if (!parse_angle (extent_angle, &extent_angle_val, context, error)) - return; - } - - filled_val = FALSE; - if (filled && !parse_boolean (filled, &filled_val, context, error)) - return; - - /* Check last so we don't have to free it when other - * stuff fails - */ - color_spec = parse_color (info->theme, color, error); - if (color_spec == NULL) - { - add_context_to_error (error, context); - return; - } - - op = meta_draw_op_new (META_DRAW_ARC); - - op->data.arc.color_spec = color_spec; - - op->data.arc.x = meta_draw_spec_new (info->theme, x, NULL); - op->data.arc.y = meta_draw_spec_new (info->theme, y, NULL); - op->data.arc.width = meta_draw_spec_new (info->theme, width, NULL); - op->data.arc.height = meta_draw_spec_new (info->theme, height, NULL); - - op->data.arc.filled = filled_val; - op->data.arc.start_angle = start_angle_val; - op->data.arc.extent_angle = extent_angle_val; - - g_assert (info->op_list); - - meta_draw_op_list_append (info->op_list, op); - - push_state (info, STATE_ARC); - } - else if (ELEMENT_IS ("clip")) - { - MetaDrawOp *op; - const char *x; - const char *y; - const char *width; - const char *height; - - if (!locate_attributes (context, element_name, attribute_names, attribute_values, - error, - "!x", &x, "!y", &y, - "!width", &width, "!height", &height, - NULL)) - return; - -#if 0 - if (!check_expression (x, FALSE, info->theme, context, error)) - return; - - if (!check_expression (y, FALSE, info->theme, context, error)) - return; - - if (!check_expression (width, FALSE, info->theme, context, error)) - return; - - if (!check_expression (height, FALSE, info->theme, context, error)) - return; -#endif - op = meta_draw_op_new (META_DRAW_CLIP); - - op->data.clip.x = meta_draw_spec_new (info->theme, x, NULL); - op->data.clip.y = meta_draw_spec_new (info->theme, y, NULL); - op->data.clip.width = meta_draw_spec_new (info->theme, width, NULL); - op->data.clip.height = meta_draw_spec_new (info->theme, height, NULL); - - g_assert (info->op_list); - - meta_draw_op_list_append (info->op_list, op); - - push_state (info, STATE_CLIP); - } - else if (ELEMENT_IS ("tint")) - { - MetaDrawOp *op; - const char *color; - const char *x; - const char *y; - const char *width; - const char *height; - const char *alpha; - MetaAlphaGradientSpec *alpha_spec; - MetaColorSpec *color_spec; - - if (!locate_attributes (context, element_name, attribute_names, attribute_values, - error, - "!color", &color, - "!x", &x, "!y", &y, - "!width", &width, "!height", &height, - "!alpha", &alpha, - NULL)) - return; - -#if 0 - if (!check_expression (x, FALSE, info->theme, context, error)) - return; - - if (!check_expression (y, FALSE, info->theme, context, error)) - return; - - if (!check_expression (width, FALSE, info->theme, context, error)) - return; - - if (!check_expression (height, FALSE, info->theme, context, error)) - return; -#endif - alpha_spec = NULL; - if (!parse_alpha (alpha, &alpha_spec, context, error)) - return; - - /* Check last so we don't have to free it when other - * stuff fails - */ - color_spec = parse_color (info->theme, color, error); - if (color_spec == NULL) - { - if (alpha_spec) - meta_alpha_gradient_spec_free (alpha_spec); - - add_context_to_error (error, context); - return; - } - - op = meta_draw_op_new (META_DRAW_TINT); - - op->data.tint.color_spec = color_spec; - op->data.tint.alpha_spec = alpha_spec; - - op->data.tint.x = meta_draw_spec_new (info->theme, x, NULL); - op->data.tint.y = meta_draw_spec_new (info->theme, y, NULL); - op->data.tint.width = meta_draw_spec_new (info->theme, width, NULL); - op->data.tint.height = meta_draw_spec_new (info->theme, height, NULL); - - g_assert (info->op_list); - - meta_draw_op_list_append (info->op_list, op); - - push_state (info, STATE_TINT); - } - else if (ELEMENT_IS ("gradient")) - { - const char *x; - const char *y; - const char *width; - const char *height; - const char *type; - const char *alpha; - MetaAlphaGradientSpec *alpha_spec; - MetaGradientType type_val; - - if (!locate_attributes (context, element_name, attribute_names, attribute_values, - error, - "!type", &type, - "!x", &x, "!y", &y, - "!width", &width, "!height", &height, - "alpha", &alpha, - NULL)) - return; - -#if 0 - if (!check_expression (x, FALSE, info->theme, context, error)) - return; - - if (!check_expression (y, FALSE, info->theme, context, error)) - return; - - if (!check_expression (width, FALSE, info->theme, context, error)) - return; - - if (!check_expression (height, FALSE, info->theme, context, error)) - return; -#endif - - type_val = meta_gradient_type_from_string (type); - if (type_val == META_GRADIENT_LAST) - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("Did not understand value \"%s\" for type of gradient"), - type); - return; - } - - alpha_spec = NULL; - if (alpha && !parse_alpha (alpha, &alpha_spec, context, error)) - return; - - g_assert (info->op == NULL); - info->op = meta_draw_op_new (META_DRAW_GRADIENT); - - info->op->data.gradient.x = meta_draw_spec_new (info->theme, x, NULL); - info->op->data.gradient.y = meta_draw_spec_new (info->theme, y, NULL); - info->op->data.gradient.width = meta_draw_spec_new (info->theme, - width, NULL); - info->op->data.gradient.height = meta_draw_spec_new (info->theme, - height, NULL); - - info->op->data.gradient.gradient_spec = meta_gradient_spec_new (type_val); - - info->op->data.gradient.alpha_spec = alpha_spec; - - push_state (info, STATE_GRADIENT); - - /* op gets appended on close tag */ - } - else if (ELEMENT_IS ("image")) - { - MetaDrawOp *op; - const char *filename; - const char *x; - const char *y; - const char *width; - const char *height; - const char *alpha; - const char *fill_type; - MetaAlphaGradientSpec *alpha_spec; - GdkPixbuf *pixbuf; - MetaImageFillType fill_type_val; - int h, w, c; - int pixbuf_width, pixbuf_height, pixbuf_n_channels, pixbuf_rowstride; - guchar *pixbuf_pixels; - - if (!locate_attributes (context, element_name, attribute_names, attribute_values, - error, - "!x", &x, "!y", &y, - "!width", &width, "!height", &height, - "alpha", &alpha, "!filename", &filename, - "fill_type", &fill_type, - NULL)) - return; - -#if 0 - if (!check_expression (x, TRUE, info->theme, context, error)) - return; - - if (!check_expression (y, TRUE, info->theme, context, error)) - return; - - if (!check_expression (width, TRUE, info->theme, context, error)) - return; - - if (!check_expression (height, TRUE, info->theme, context, error)) - return; -#endif - fill_type_val = META_IMAGE_FILL_SCALE; - if (fill_type) - { - fill_type_val = meta_image_fill_type_from_string (fill_type); - - if (((int) fill_type_val) == -1) - { - set_error (error, context, G_MARKUP_ERROR, - G_MARKUP_ERROR_PARSE, - _("Did not understand fill type \"%s\" for <%s> element"), - fill_type, element_name); - } - } - - /* Check last so we don't have to free it when other - * stuff fails. - * - * If it's a theme image, ask for it at 64px, which is - * the largest possible. We scale it anyway. - */ - pixbuf = meta_theme_load_image (info->theme, filename, 64, error); - - if (pixbuf == NULL) - { - add_context_to_error (error, context); - return; - } - - alpha_spec = NULL; - if (alpha && !parse_alpha (alpha, &alpha_spec, context, error)) - { - g_object_unref (G_OBJECT (pixbuf)); - return; - } - - op = meta_draw_op_new (META_DRAW_IMAGE); - - op->data.image.pixbuf = pixbuf; - - op->data.image.x = meta_draw_spec_new (info->theme, x, NULL); - op->data.image.y = meta_draw_spec_new (info->theme, y, NULL); - op->data.image.width = meta_draw_spec_new (info->theme, width, NULL); - op->data.image.height = meta_draw_spec_new (info->theme, height, NULL); - - op->data.image.alpha_spec = alpha_spec; - op->data.image.fill_type = fill_type_val; - - /* Check for vertical & horizontal stripes */ - pixbuf_n_channels = gdk_pixbuf_get_n_channels(pixbuf); - pixbuf_width = gdk_pixbuf_get_width(pixbuf); - pixbuf_height = gdk_pixbuf_get_height(pixbuf); - pixbuf_rowstride = gdk_pixbuf_get_rowstride(pixbuf); - pixbuf_pixels = gdk_pixbuf_get_pixels(pixbuf); - - /* Check for horizontal stripes */ - for (h = 0; h < pixbuf_height; h++) - { - for (w = 1; w < pixbuf_width; w++) - { - for (c = 0; c < pixbuf_n_channels; c++) - { - if (pixbuf_pixels[(h * pixbuf_rowstride) + c] != - pixbuf_pixels[(h * pixbuf_rowstride) + w + c]) - break; - } - if (c < pixbuf_n_channels) - break; - } - if (w < pixbuf_width) - break; - } - - if (h >= pixbuf_height) - { - op->data.image.horizontal_stripes = TRUE; - } - else - { - op->data.image.horizontal_stripes = FALSE; - } - - /* Check for vertical stripes */ - for (w = 0; w < pixbuf_width; w++) - { - for (h = 1; h < pixbuf_height; h++) - { - for (c = 0; c < pixbuf_n_channels; c++) - { - if (pixbuf_pixels[w + c] != - pixbuf_pixels[(h * pixbuf_rowstride) + w + c]) - break; - } - if (c < pixbuf_n_channels) - break; - } - if (h < pixbuf_height) - break; - } - - if (w >= pixbuf_width) - { - op->data.image.vertical_stripes = TRUE; - } - else - { - op->data.image.vertical_stripes = FALSE; - } - - g_assert (info->op_list); - - meta_draw_op_list_append (info->op_list, op); - - push_state (info, STATE_IMAGE); - } - else if (ELEMENT_IS ("gtk_arrow")) - { - MetaDrawOp *op; - const char *state; - const char *shadow; - const char *arrow; - const char *x; - const char *y; - const char *width; - const char *height; - const char *filled; - gboolean filled_val; - GtkStateFlags state_val; - GtkShadowType shadow_val; - GtkArrowType arrow_val; - - if (!locate_attributes (context, element_name, attribute_names, attribute_values, - error, - "!state", &state, - "!shadow", &shadow, - "!arrow", &arrow, - "!x", &x, "!y", &y, - "!width", &width, "!height", &height, - "filled", &filled, - NULL)) - return; - -#if 0 - if (!check_expression (x, FALSE, info->theme, context, error)) - return; - - if (!check_expression (y, FALSE, info->theme, context, error)) - return; - - if (!check_expression (width, FALSE, info->theme, context, error)) - return; - - if (!check_expression (height, FALSE, info->theme, context, error)) - return; -#endif - filled_val = TRUE; - if (filled && !parse_boolean (filled, &filled_val, context, error)) - return; - - state_val = meta_gtk_state_from_string (state); - if (((int) state_val) == -1) - { - set_error (error, context, G_MARKUP_ERROR, - G_MARKUP_ERROR_PARSE, - _("Did not understand state \"%s\" for <%s> element"), - state, element_name); - return; - } - - shadow_val = meta_gtk_shadow_from_string (shadow); - if (((int) shadow_val) == -1) - { - set_error (error, context, G_MARKUP_ERROR, - G_MARKUP_ERROR_PARSE, - _("Did not understand shadow \"%s\" for <%s> element"), - shadow, element_name); - return; - } - - arrow_val = meta_gtk_arrow_from_string (arrow); - if (((int) arrow_val) == -1) - { - set_error (error, context, G_MARKUP_ERROR, - G_MARKUP_ERROR_PARSE, - _("Did not understand arrow \"%s\" for <%s> element"), - arrow, element_name); - return; - } - - op = meta_draw_op_new (META_DRAW_GTK_ARROW); - - op->data.gtk_arrow.x = meta_draw_spec_new (info->theme, x, NULL); - op->data.gtk_arrow.y = meta_draw_spec_new (info->theme, y, NULL); - op->data.gtk_arrow.width = meta_draw_spec_new (info->theme, width, NULL); - op->data.gtk_arrow.height = meta_draw_spec_new (info->theme, - height, NULL); - - op->data.gtk_arrow.filled = filled_val; - op->data.gtk_arrow.state = state_val; - op->data.gtk_arrow.shadow = shadow_val; - op->data.gtk_arrow.arrow = arrow_val; - - g_assert (info->op_list); - - meta_draw_op_list_append (info->op_list, op); - - push_state (info, STATE_GTK_ARROW); - } - else if (ELEMENT_IS ("gtk_box")) - { - MetaDrawOp *op; - const char *state; - const char *shadow; - const char *x; - const char *y; - const char *width; - const char *height; - GtkStateFlags state_val; - GtkShadowType shadow_val; - - if (!locate_attributes (context, element_name, attribute_names, attribute_values, - error, - "!state", &state, - "!shadow", &shadow, - "!x", &x, "!y", &y, - "!width", &width, "!height", &height, - NULL)) - return; - -#if 0 - if (!check_expression (x, FALSE, info->theme, context, error)) - return; - - if (!check_expression (y, FALSE, info->theme, context, error)) - return; - - if (!check_expression (width, FALSE, info->theme, context, error)) - return; - - if (!check_expression (height, FALSE, info->theme, context, error)) - return; -#endif - state_val = meta_gtk_state_from_string (state); - if (((int) state_val) == -1) - { - set_error (error, context, G_MARKUP_ERROR, - G_MARKUP_ERROR_PARSE, - _("Did not understand state \"%s\" for <%s> element"), - state, element_name); - return; - } - - shadow_val = meta_gtk_shadow_from_string (shadow); - if (((int) shadow_val) == -1) - { - set_error (error, context, G_MARKUP_ERROR, - G_MARKUP_ERROR_PARSE, - _("Did not understand shadow \"%s\" for <%s> element"), - shadow, element_name); - return; - } - - op = meta_draw_op_new (META_DRAW_GTK_BOX); - - op->data.gtk_box.x = meta_draw_spec_new (info->theme, x, NULL); - op->data.gtk_box.y = meta_draw_spec_new (info->theme, y, NULL); - op->data.gtk_box.width = meta_draw_spec_new (info->theme, width, NULL); - op->data.gtk_box.height = meta_draw_spec_new (info->theme, height, NULL); - - op->data.gtk_box.state = state_val; - op->data.gtk_box.shadow = shadow_val; - - g_assert (info->op_list); - - meta_draw_op_list_append (info->op_list, op); - - push_state (info, STATE_GTK_BOX); - } - else if (ELEMENT_IS ("gtk_vline")) - { - MetaDrawOp *op; - const char *state; - const char *x; - const char *y1; - const char *y2; - GtkStateFlags state_val; - - if (!locate_attributes (context, element_name, attribute_names, attribute_values, - error, - "!state", &state, - "!x", &x, "!y1", &y1, "!y2", &y2, - NULL)) - return; - -#if 0 - if (!check_expression (x, FALSE, info->theme, context, error)) - return; - - if (!check_expression (y1, FALSE, info->theme, context, error)) - return; - - if (!check_expression (y2, FALSE, info->theme, context, error)) - return; -#endif - - state_val = meta_gtk_state_from_string (state); - if (((int) state_val) == -1) - { - set_error (error, context, G_MARKUP_ERROR, - G_MARKUP_ERROR_PARSE, - _("Did not understand state \"%s\" for <%s> element"), - state, element_name); - return; - } - - op = meta_draw_op_new (META_DRAW_GTK_VLINE); - - op->data.gtk_vline.x = meta_draw_spec_new (info->theme, x, NULL); - op->data.gtk_vline.y1 = meta_draw_spec_new (info->theme, y1, NULL); - op->data.gtk_vline.y2 = meta_draw_spec_new (info->theme, y2, NULL); - - op->data.gtk_vline.state = state_val; - - g_assert (info->op_list); - - meta_draw_op_list_append (info->op_list, op); - - push_state (info, STATE_GTK_VLINE); - } - else if (ELEMENT_IS ("icon")) - { - MetaDrawOp *op; - const char *x; - const char *y; - const char *width; - const char *height; - const char *alpha; - const char *fill_type; - MetaAlphaGradientSpec *alpha_spec; - MetaImageFillType fill_type_val; - - if (!locate_attributes (context, element_name, attribute_names, attribute_values, - error, - "!x", &x, "!y", &y, - "!width", &width, "!height", &height, - "alpha", &alpha, - "fill_type", &fill_type, - NULL)) - return; - -#if 0 - if (!check_expression (x, FALSE, info->theme, context, error)) - return; - - if (!check_expression (y, FALSE, info->theme, context, error)) - return; - - if (!check_expression (width, FALSE, info->theme, context, error)) - return; - - if (!check_expression (height, FALSE, info->theme, context, error)) - return; -#endif - fill_type_val = META_IMAGE_FILL_SCALE; - if (fill_type) - { - fill_type_val = meta_image_fill_type_from_string (fill_type); - - if (((int) fill_type_val) == -1) - { - set_error (error, context, G_MARKUP_ERROR, - G_MARKUP_ERROR_PARSE, - _("Did not understand fill type \"%s\" for <%s> element"), - fill_type, element_name); - } - } - - alpha_spec = NULL; - if (alpha && !parse_alpha (alpha, &alpha_spec, context, error)) - return; - - op = meta_draw_op_new (META_DRAW_ICON); - - op->data.icon.x = meta_draw_spec_new (info->theme, x, NULL); - op->data.icon.y = meta_draw_spec_new (info->theme, y, NULL); - op->data.icon.width = meta_draw_spec_new (info->theme, width, NULL); - op->data.icon.height = meta_draw_spec_new (info->theme, height, NULL); - - op->data.icon.alpha_spec = alpha_spec; - op->data.icon.fill_type = fill_type_val; - - g_assert (info->op_list); - - meta_draw_op_list_append (info->op_list, op); - - push_state (info, STATE_ICON); - } - else if (ELEMENT_IS ("title")) - { - MetaDrawOp *op; - const char *color; - const char *x; - const char *y; - const char *ellipsize_width; - MetaColorSpec *color_spec; - - if (!locate_attributes (context, element_name, attribute_names, attribute_values, - error, - "!color", &color, - "!x", &x, "!y", &y, - "ellipsize_width", &ellipsize_width, - NULL)) - return; - -#if 0 - if (!check_expression (x, FALSE, info->theme, context, error)) - return; - - if (!check_expression (y, FALSE, info->theme, context, error)) - return; - - if (!check_expression (ellipsize_width, FALSE, info->theme, context, error)) - return; -#endif - - if (ellipsize_width && peek_required_version (info) < 3001) - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - ATTRIBUTE_NOT_FOUND, "ellipsize_width", element_name); - return; - } - - /* Check last so we don't have to free it when other - * stuff fails - */ - color_spec = parse_color (info->theme, color, error); - if (color_spec == NULL) - { - add_context_to_error (error, context); - return; - } - - op = meta_draw_op_new (META_DRAW_TITLE); - - op->data.title.color_spec = color_spec; - - op->data.title.x = meta_draw_spec_new (info->theme, x, NULL); - op->data.title.y = meta_draw_spec_new (info->theme, y, NULL); - if (ellipsize_width) - op->data.title.ellipsize_width = meta_draw_spec_new (info->theme, ellipsize_width, NULL); - - g_assert (info->op_list); - - meta_draw_op_list_append (info->op_list, op); - - push_state (info, STATE_TITLE); - } - else if (ELEMENT_IS ("include")) - { - MetaDrawOp *op; - const char *name; - const char *x; - const char *y; - const char *width; - const char *height; - MetaDrawOpList *op_list; - - if (!locate_attributes (context, element_name, attribute_names, attribute_values, - error, - "x", &x, "y", &y, - "width", &width, "height", &height, - "!name", &name, - NULL)) - return; - - /* x/y/width/height default to 0,0,width,height - should - * probably do this for all the draw ops - */ -#if 0 - if (x && !check_expression (x, FALSE, info->theme, context, error)) - return; - - if (y && !check_expression (y, FALSE, info->theme, context, error)) - return; - - if (width && !check_expression (width, FALSE, info->theme, context, error)) - return; - - if (height && !check_expression (height, FALSE, info->theme, context, error)) - return; -#endif - - op_list = meta_theme_lookup_draw_op_list (info->theme, - name); - if (op_list == NULL) - { - set_error (error, context, G_MARKUP_ERROR, - G_MARKUP_ERROR_PARSE, - _("No <draw_ops> called \"%s\" has been defined"), - name); - return; - } - - g_assert (info->op_list); - - if (op_list == info->op_list || - meta_draw_op_list_contains (op_list, info->op_list)) - { - set_error (error, context, G_MARKUP_ERROR, - G_MARKUP_ERROR_PARSE, - _("Including draw_ops \"%s\" here would create a circular reference"), - name); - return; - } - - op = meta_draw_op_new (META_DRAW_OP_LIST); - - meta_draw_op_list_ref (op_list); - op->data.op_list.op_list = op_list; - - op->data.op_list.x = meta_draw_spec_new (info->theme, x ? x : "0", NULL); - op->data.op_list.y = meta_draw_spec_new (info->theme, y ? y : "0", NULL); - op->data.op_list.width = meta_draw_spec_new (info->theme, - width ? width : "width", - NULL); - op->data.op_list.height = meta_draw_spec_new (info->theme, - height ? height : "height", - NULL); - - meta_draw_op_list_append (info->op_list, op); - - push_state (info, STATE_INCLUDE); - } - else if (ELEMENT_IS ("tile")) - { - MetaDrawOp *op; - const char *name; - const char *x; - const char *y; - const char *width; - const char *height; - const char *tile_xoffset; - const char *tile_yoffset; - const char *tile_width; - const char *tile_height; - MetaDrawOpList *op_list; - - if (!locate_attributes (context, element_name, attribute_names, attribute_values, - error, - "x", &x, "y", &y, - "width", &width, "height", &height, - "!name", &name, - "tile_xoffset", &tile_xoffset, - "tile_yoffset", &tile_yoffset, - "!tile_width", &tile_width, - "!tile_height", &tile_height, - NULL)) - return; - - /* These default to 0 */ -#if 0 - if (tile_xoffset && !check_expression (tile_xoffset, FALSE, info->theme, context, error)) - return; - - if (tile_yoffset && !check_expression (tile_yoffset, FALSE, info->theme, context, error)) - return; - - /* x/y/width/height default to 0,0,width,height - should - * probably do this for all the draw ops - */ - if (x && !check_expression (x, FALSE, info->theme, context, error)) - return; - - if (y && !check_expression (y, FALSE, info->theme, context, error)) - return; - - if (width && !check_expression (width, FALSE, info->theme, context, error)) - return; - - if (height && !check_expression (height, FALSE, info->theme, context, error)) - return; - - if (!check_expression (tile_width, FALSE, info->theme, context, error)) - return; - - if (!check_expression (tile_height, FALSE, info->theme, context, error)) - return; -#endif - op_list = meta_theme_lookup_draw_op_list (info->theme, - name); - if (op_list == NULL) - { - set_error (error, context, G_MARKUP_ERROR, - G_MARKUP_ERROR_PARSE, - _("No <draw_ops> called \"%s\" has been defined"), - name); - return; - } - - g_assert (info->op_list); - - if (op_list == info->op_list || - meta_draw_op_list_contains (op_list, info->op_list)) - { - set_error (error, context, G_MARKUP_ERROR, - G_MARKUP_ERROR_PARSE, - _("Including draw_ops \"%s\" here would create a circular reference"), - name); - return; - } - - op = meta_draw_op_new (META_DRAW_TILE); - - meta_draw_op_list_ref (op_list); - - op->data.tile.x = meta_draw_spec_new (info->theme, x ? x : "0", NULL); - op->data.tile.y = meta_draw_spec_new (info->theme, y ? y : "0", NULL); - op->data.tile.width = meta_draw_spec_new (info->theme, - width ? width : "width", - NULL); - op->data.tile.height = meta_draw_spec_new (info->theme, - height ? height : "height", - NULL); - op->data.tile.tile_xoffset = meta_draw_spec_new (info->theme, - tile_xoffset ? tile_xoffset : "0", - NULL); - op->data.tile.tile_yoffset = meta_draw_spec_new (info->theme, - tile_yoffset ? tile_yoffset : "0", - NULL); - op->data.tile.tile_width = meta_draw_spec_new (info->theme, tile_width, NULL); - op->data.tile.tile_height = meta_draw_spec_new (info->theme, tile_height, NULL); - - op->data.tile.op_list = op_list; - - meta_draw_op_list_append (info->op_list, op); - - push_state (info, STATE_TILE); - } - else - { - set_error (error, context, - G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("Element <%s> is not allowed below <%s>"), - element_name, "draw_ops"); - } -} - -static void -parse_gradient_element (GMarkupParseContext *context, - const gchar *element_name, - const gchar **attribute_names, - const gchar **attribute_values, - ParseInfo *info, - GError **error) -{ - g_return_if_fail (peek_state (info) == STATE_GRADIENT); - - if (ELEMENT_IS ("color")) - { - const char *value = NULL; - MetaColorSpec *color_spec; - - if (!locate_attributes (context, element_name, attribute_names, attribute_values, - error, - "!value", &value, - NULL)) - return; - - color_spec = parse_color (info->theme, value, error); - if (color_spec == NULL) - { - add_context_to_error (error, context); - return; - } - - g_assert (info->op); - g_assert (info->op->type == META_DRAW_GRADIENT); - g_assert (info->op->data.gradient.gradient_spec != NULL); - info->op->data.gradient.gradient_spec->color_specs = - g_slist_append (info->op->data.gradient.gradient_spec->color_specs, - color_spec); - - push_state (info, STATE_COLOR); - } - else - { - set_error (error, context, - G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("Element <%s> is not allowed below <%s>"), - element_name, "gradient"); - } -} - -static void -parse_style_element (GMarkupParseContext *context, - const gchar *element_name, - const gchar **attribute_names, - const gchar **attribute_values, - ParseInfo *info, - GError **error) -{ - g_return_if_fail (peek_state (info) == STATE_FRAME_STYLE); - - g_assert (info->style); - - if (ELEMENT_IS ("piece")) - { - const char *position = NULL; - const char *draw_ops = NULL; - - if (!locate_attributes (context, element_name, attribute_names, attribute_values, - error, - "!position", &position, - "draw_ops", &draw_ops, - NULL)) - return; - - info->piece = meta_frame_piece_from_string (position); - if (info->piece == META_FRAME_PIECE_LAST) - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("Unknown position \"%s\" for frame piece"), - position); - return; - } - - if (info->style->pieces[info->piece] != NULL) - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("Frame style already has a piece at position %s"), - position); - return; - } - - g_assert (info->op_list == NULL); - - if (draw_ops) - { - MetaDrawOpList *op_list; - - op_list = meta_theme_lookup_draw_op_list (info->theme, - draw_ops); - - if (op_list == NULL) - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("No <draw_ops> with the name \"%s\" has been defined"), - draw_ops); - return; - } - - meta_draw_op_list_ref (op_list); - info->op_list = op_list; - } - - push_state (info, STATE_PIECE); - } - else if (ELEMENT_IS ("button")) - { - const char *function = NULL; - const char *state = NULL; - const char *draw_ops = NULL; - gint required_version; - - if (!locate_attributes (context, element_name, attribute_names, attribute_values, - error, - "!function", &function, - "!state", &state, - "draw_ops", &draw_ops, - NULL)) - return; - - info->button_type = meta_button_type_from_string (function, info->theme); - if (info->button_type == META_BUTTON_TYPE_LAST) - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("Unknown function \"%s\" for button"), - function); - return; - } - - required_version = peek_required_version (info); - if (meta_theme_earliest_version_with_button (info->button_type) > - (guint)required_version) - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("Button function \"%s\" does not exist in this version (%d, need %d)"), - function, - required_version, - meta_theme_earliest_version_with_button (info->button_type) - ); - return; - } - - info->button_state = meta_button_state_from_string (state); - if (info->button_state == META_BUTTON_STATE_LAST) - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("Unknown state \"%s\" for button"), - state); - return; - } - - if (info->style->buttons[info->button_type][info->button_state] != NULL) - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("Frame style already has a button for function %s state %s"), - function, state); - return; - } - - g_assert (info->op_list == NULL); - - if (draw_ops) - { - MetaDrawOpList *op_list; - - op_list = meta_theme_lookup_draw_op_list (info->theme, - draw_ops); - - if (op_list == NULL) - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("No <draw_ops> with the name \"%s\" has been defined"), - draw_ops); - return; - } - - meta_draw_op_list_ref (op_list); - info->op_list = op_list; - } - - push_state (info, STATE_BUTTON); - } - else - { - set_error (error, context, - G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("Element <%s> is not allowed below <%s>"), - element_name, "frame_style"); - } -} - -static void -parse_style_set_element (GMarkupParseContext *context, - const gchar *element_name, - const gchar **attribute_names, - const gchar **attribute_values, - ParseInfo *info, - GError **error) -{ - g_return_if_fail (peek_state (info) == STATE_FRAME_STYLE_SET); - - if (ELEMENT_IS ("frame")) - { - const char *focus = NULL; - const char *state = NULL; - const char *resize = NULL; - const char *style = NULL; - MetaFrameFocus frame_focus; - MetaFrameState frame_state; - MetaFrameResize frame_resize; - MetaFrameStyle *frame_style; - - if (!locate_attributes (context, element_name, attribute_names, attribute_values, - error, - "!focus", &focus, - "!state", &state, - "resize", &resize, - "!style", &style, - NULL)) - return; - - frame_focus = meta_frame_focus_from_string (focus); - if (frame_focus == META_FRAME_FOCUS_LAST) - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("\"%s\" is not a valid value for focus attribute"), - focus); - return; - } - - frame_state = meta_frame_state_from_string (state); - if (frame_state == META_FRAME_STATE_LAST) - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("\"%s\" is not a valid value for state attribute"), - focus); - return; - } - - frame_style = meta_theme_lookup_style (info->theme, style); - - if (frame_style == NULL) - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("A style called \"%s\" has not been defined"), - style); - return; - } - - switch (frame_state) - { - case META_FRAME_STATE_NORMAL: - if (resize == NULL) - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - ATTRIBUTE_NOT_FOUND, - "resize", element_name); - return; - } - - - frame_resize = meta_frame_resize_from_string (resize); - if (frame_resize == META_FRAME_RESIZE_LAST) - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("\"%s\" is not a valid value for resize attribute"), - focus); - return; - } - - break; - - case META_FRAME_STATE_SHADED: - if (META_THEME_ALLOWS (info->theme, META_THEME_UNRESIZABLE_SHADED_STYLES)) - { - if (resize == NULL) - /* In state="normal" we would complain here. But instead we accept - * not having a resize attribute and default to resize="both", since - * that most closely mimics what we did in v1, and thus people can - * upgrade a theme to v2 without as much hassle. - */ - frame_resize = META_FRAME_RESIZE_BOTH; - else - { - frame_resize = meta_frame_resize_from_string (resize); - if (frame_resize == META_FRAME_RESIZE_LAST) - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("\"%s\" is not a valid value for resize attribute"), - focus); - return; - } - } - } - else /* v1 theme */ - { - if (resize != NULL) - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("Should not have \"resize\" attribute on <%s> element for maximized/shaded states"), - element_name); - return; - } - - /* resize="both" is equivalent to the old behaviour */ - frame_resize = META_FRAME_RESIZE_BOTH; - } - break; - - default: - if (resize != NULL) - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("Should not have \"resize\" attribute on <%s> element for maximized states"), - element_name); - return; - } - - frame_resize = META_FRAME_RESIZE_LAST; - } - - switch (frame_state) - { - case META_FRAME_STATE_NORMAL: - if (info->style_set->normal_styles[frame_resize][frame_focus]) - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("Style has already been specified for state %s resize %s focus %s"), - state, resize, focus); - return; - } - meta_frame_style_ref (frame_style); - info->style_set->normal_styles[frame_resize][frame_focus] = frame_style; - break; - case META_FRAME_STATE_MAXIMIZED: - if (info->style_set->maximized_styles[frame_focus]) - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("Style has already been specified for state %s focus %s"), - state, focus); - return; - } - meta_frame_style_ref (frame_style); - info->style_set->maximized_styles[frame_focus] = frame_style; - break; - case META_FRAME_STATE_TILED_LEFT: - if (info->style_set->tiled_left_styles[frame_focus]) - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("Style has already been specified for state %s focus %s"), - state, focus); - return; - } - meta_frame_style_ref (frame_style); - info->style_set->tiled_left_styles[frame_focus] = frame_style; - break; - case META_FRAME_STATE_TILED_RIGHT: - if (info->style_set->tiled_right_styles[frame_focus]) - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("Style has already been specified for state %s focus %s"), - state, focus); - return; - } - meta_frame_style_ref (frame_style); - info->style_set->tiled_right_styles[frame_focus] = frame_style; - break; - case META_FRAME_STATE_SHADED: - if (info->style_set->shaded_styles[frame_resize][frame_focus]) - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("Style has already been specified for state %s resize %s focus %s"), - state, resize, focus); - return; - } - meta_frame_style_ref (frame_style); - info->style_set->shaded_styles[frame_resize][frame_focus] = frame_style; - break; - case META_FRAME_STATE_MAXIMIZED_AND_SHADED: - if (info->style_set->maximized_and_shaded_styles[frame_focus]) - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("Style has already been specified for state %s focus %s"), - state, focus); - return; - } - meta_frame_style_ref (frame_style); - info->style_set->maximized_and_shaded_styles[frame_focus] = frame_style; - break; - case META_FRAME_STATE_TILED_LEFT_AND_SHADED: - if (info->style_set->tiled_left_and_shaded_styles[frame_focus]) - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("Style has already been specified for state %s focus %s"), - state, focus); - return; - } - meta_frame_style_ref (frame_style); - info->style_set->tiled_left_and_shaded_styles[frame_focus] = frame_style; - break; - case META_FRAME_STATE_TILED_RIGHT_AND_SHADED: - if (info->style_set->tiled_right_and_shaded_styles[frame_focus]) - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("Style has already been specified for state %s focus %s"), - state, focus); - return; - } - meta_frame_style_ref (frame_style); - info->style_set->tiled_right_and_shaded_styles[frame_focus] = frame_style; - break; - case META_FRAME_STATE_LAST: - g_assert_not_reached (); - break; - } - - push_state (info, STATE_FRAME); - } - else - { - set_error (error, context, - G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("Element <%s> is not allowed below <%s>"), - element_name, "frame_style_set"); - } -} - -static void -parse_piece_element (GMarkupParseContext *context, - const gchar *element_name, - const gchar **attribute_names, - const gchar **attribute_values, - ParseInfo *info, - GError **error) -{ - g_return_if_fail (peek_state (info) == STATE_PIECE); - - if (ELEMENT_IS ("draw_ops")) - { - if (info->op_list) - { - set_error (error, context, - G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("Can't have a two draw_ops for a <piece> element (theme specified a draw_ops attribute and also a <draw_ops> element, or specified two elements)")); - return; - } - - if (!check_no_attributes (context, element_name, attribute_names, attribute_values, - error)) - return; - - g_assert (info->op_list == NULL); - info->op_list = meta_draw_op_list_new (2); - - push_state (info, STATE_DRAW_OPS); - } - else - { - set_error (error, context, - G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("Element <%s> is not allowed below <%s>"), - element_name, "piece"); - } -} - -static void -parse_button_element (GMarkupParseContext *context, - const gchar *element_name, - const gchar **attribute_names, - const gchar **attribute_values, - ParseInfo *info, - GError **error) -{ - g_return_if_fail (peek_state (info) == STATE_BUTTON); - - if (ELEMENT_IS ("draw_ops")) - { - if (info->op_list) - { - set_error (error, context, - G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("Can't have a two draw_ops for a <button> element (theme specified a draw_ops attribute and also a <draw_ops> element, or specified two elements)")); - return; - } - - if (!check_no_attributes (context, element_name, attribute_names, attribute_values, - error)) - return; - - g_assert (info->op_list == NULL); - info->op_list = meta_draw_op_list_new (2); - - push_state (info, STATE_DRAW_OPS); - } - else - { - set_error (error, context, - G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("Element <%s> is not allowed below <%s>"), - element_name, "button"); - } -} - -static void -parse_menu_icon_element (GMarkupParseContext *context, - const gchar *element_name, - const gchar **attribute_names, - const gchar **attribute_values, - ParseInfo *info, - GError **error) -{ - g_return_if_fail (peek_state (info) == STATE_MENU_ICON); - - if (ELEMENT_IS ("draw_ops")) - { - if (info->op_list) - { - set_error (error, context, - G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("Can't have a two draw_ops for a <menu_icon> element (theme specified a draw_ops attribute and also a <draw_ops> element, or specified two elements)")); - return; - } - - if (!check_no_attributes (context, element_name, attribute_names, attribute_values, - error)) - return; - - g_assert (info->op_list == NULL); - info->op_list = meta_draw_op_list_new (2); - - push_state (info, STATE_DRAW_OPS); - } - else - { - set_error (error, context, - G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("Element <%s> is not allowed below <%s>"), - element_name, "menu_icon"); - } -} - -static const char * -find_version (const char **attribute_names, - const char **attribute_values) -{ - int i; - - for (i = 0; attribute_names[i]; i++) - { - if (strcmp (attribute_names[i], "version") == 0) - return attribute_values[i]; - } - - return NULL; -} - -/* Returns whether the version element was successfully parsed. - * If successfully parsed, then two additional items are returned: - * - * satisfied: whether this version of Mutter meets the version check - * minimum_required: minimum version of theme format required by version check - */ -static gboolean -check_version (GMarkupParseContext *context, - const char *version_str, - gboolean *satisfied, - guint *minimum_required, - GError **error) -{ - static GRegex *version_regex; - GMatchInfo *info; - char *comparison_str, *major_str, *minor_str; - guint version; - - *minimum_required = 0; - - if (!version_regex) - version_regex = g_regex_new ("^\\s*([<>]=?)\\s*(\\d+)(\\.\\d+)?\\s*$", 0, 0, NULL); - - if (!g_regex_match (version_regex, version_str, 0, &info)) - { - g_match_info_free (info); - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("Bad version specification '%s'"), version_str); - return FALSE; - } - - comparison_str = g_match_info_fetch (info, 1); - major_str = g_match_info_fetch (info, 2); - minor_str = g_match_info_fetch (info, 3); - - version = 1000 * atoi (major_str); - /* might get NULL, see: https://bugzilla.gnome.org/review?bug=588217 */ - if (minor_str && minor_str[0]) - version += atoi (minor_str + 1); - - if (comparison_str[0] == '<') - { - if (comparison_str[1] == '=') - *satisfied = THEME_VERSION <= version; - else - { - *satisfied = THEME_VERSION < version; - } - } - else - { - if (comparison_str[1] == '=') - { - *satisfied = THEME_VERSION >= version; - *minimum_required = version; - } - else - { - *satisfied = THEME_VERSION > version; - *minimum_required = version + 1; - } - } - - g_free (comparison_str); - g_free (major_str); - g_free (minor_str); - g_match_info_free (info); - - return TRUE; -} - -static void -start_element_handler (GMarkupParseContext *context, - const gchar *element_name, - const gchar **attribute_names, - const gchar **attribute_values, - gpointer user_data, - GError **error) -{ - ParseInfo *info = user_data; - const char *version; - guint required_version = 0; - - if (info->skip_level > 0) - { - info->skip_level++; - return; - } - - required_version = peek_required_version (info); - - version = find_version (attribute_names, attribute_values); - if (version != NULL) - { - gboolean satisfied; - guint element_required; - - if (required_version < 3000) - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("\"version\" attribute cannot be used in metacity-theme-1.xml or metacity-theme-2.xml")); - return; - } - - if (!check_version (context, version, &satisfied, &element_required, error)) - return; - - /* Two different ways of handling an unsatisfied version check: - * for the toplevel element of a file, we throw an error back so - * that the controlling code can go ahead and look for an - * alternate metacity-theme-1.xml or metacity-theme-2.xml; for - * other elements we just silently skip the element and children. - */ - if (peek_state (info) == STATE_START) - { - if (satisfied) - { - if (element_required > info->format_version) - info->format_version = element_required; - } - else - { - set_error (error, context, THEME_PARSE_ERROR, THEME_PARSE_ERROR_TOO_OLD, - _("Theme requires version %s but latest supported theme version is %d.%d"), - version, THEME_VERSION, THEME_MINOR_VERSION); - return; - } - } - else if (!satisfied) - { - info->skip_level = 1; - return; - } - - if (element_required > required_version) - required_version = element_required; - } - - push_required_version (info, required_version); - - switch (peek_state (info)) - { - case STATE_START: - if (strcmp (element_name, "metacity_theme") == 0) - { - info->theme = meta_theme_new (); - info->theme->name = g_strdup (info->theme_name); - info->theme->filename = g_strdup (info->theme_file); - info->theme->dirname = g_strdup (info->theme_dir); - info->theme->format_version = info->format_version; - - push_state (info, STATE_THEME); - } - else - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("Outermost element in theme must be <metacity_theme> not <%s>"), - element_name); - break; - - case STATE_THEME: - parse_toplevel_element (context, element_name, - attribute_names, attribute_values, - info, error); - break; - case STATE_INFO: - parse_info_element (context, element_name, - attribute_names, attribute_values, - info, error); - break; - case STATE_NAME: - case STATE_AUTHOR: - case STATE_COPYRIGHT: - case STATE_DATE: - case STATE_DESCRIPTION: - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("Element <%s> is not allowed inside a name/author/date/description element"), - element_name); - break; - case STATE_CONSTANT: - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("Element <%s> is not allowed inside a <constant> element"), - element_name); - break; - case STATE_FRAME_GEOMETRY: - parse_geometry_element (context, element_name, - attribute_names, attribute_values, - info, error); - break; - case STATE_DISTANCE: - case STATE_BORDER: - case STATE_ASPECT_RATIO: - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("Element <%s> is not allowed inside a distance/border/aspect_ratio element"), - element_name); - break; - case STATE_DRAW_OPS: - parse_draw_op_element (context, element_name, - attribute_names, attribute_values, - info, error); - break; - case STATE_LINE: - case STATE_RECTANGLE: - case STATE_ARC: - case STATE_CLIP: - case STATE_TINT: - case STATE_IMAGE: - case STATE_GTK_ARROW: - case STATE_GTK_BOX: - case STATE_GTK_VLINE: - case STATE_ICON: - case STATE_TITLE: - case STATE_INCLUDE: - case STATE_TILE: - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("Element <%s> is not allowed inside a draw operation element"), - element_name); - break; - case STATE_GRADIENT: - parse_gradient_element (context, element_name, - attribute_names, attribute_values, - info, error); - break; - case STATE_COLOR: - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("Element <%s> is not allowed inside a <%s> element"), - element_name, "color"); - break; - case STATE_FRAME_STYLE: - parse_style_element (context, element_name, - attribute_names, attribute_values, - info, error); - break; - case STATE_PIECE: - parse_piece_element (context, element_name, - attribute_names, attribute_values, - info, error); - break; - case STATE_BUTTON: - parse_button_element (context, element_name, - attribute_names, attribute_values, - info, error); - break; - case STATE_MENU_ICON: - parse_menu_icon_element (context, element_name, - attribute_names, attribute_values, - info, error); - break; - case STATE_FRAME_STYLE_SET: - parse_style_set_element (context, element_name, - attribute_names, attribute_values, - info, error); - break; - case STATE_FRAME: - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("Element <%s> is not allowed inside a <%s> element"), - element_name, "frame"); - break; - case STATE_WINDOW: - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("Element <%s> is not allowed inside a <%s> element"), - element_name, "window"); - break; - case STATE_FALLBACK: - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("Element <%s> is not allowed inside a <%s> element"), - element_name, "fallback"); - break; - } -} - -static void -end_element_handler (GMarkupParseContext *context, - const gchar *element_name, - gpointer user_data, - GError **error) -{ - ParseInfo *info = user_data; - - if (info->skip_level > 0) - { - info->skip_level--; - return; - } - - switch (peek_state (info)) - { - case STATE_START: - break; - case STATE_THEME: - g_assert (info->theme); - - if (!meta_theme_validate (info->theme, error)) - { - add_context_to_error (error, context); - meta_theme_free (info->theme); - info->theme = NULL; - } - - pop_state (info); - g_assert (peek_state (info) == STATE_START); - break; - case STATE_INFO: - pop_state (info); - g_assert (peek_state (info) == STATE_THEME); - break; - case STATE_NAME: - pop_state (info); - g_assert (peek_state (info) == STATE_INFO); - break; - case STATE_AUTHOR: - pop_state (info); - g_assert (peek_state (info) == STATE_INFO); - break; - case STATE_COPYRIGHT: - pop_state (info); - g_assert (peek_state (info) == STATE_INFO); - break; - case STATE_DATE: - pop_state (info); - g_assert (peek_state (info) == STATE_INFO); - break; - case STATE_DESCRIPTION: - pop_state (info); - g_assert (peek_state (info) == STATE_INFO); - break; - case STATE_CONSTANT: - pop_state (info); - g_assert (peek_state (info) == STATE_THEME); - break; - case STATE_FRAME_GEOMETRY: - g_assert (info->layout); - - if (!meta_frame_layout_validate (info->layout, - error)) - { - add_context_to_error (error, context); - } - - /* layout will already be stored in the theme under - * its name - */ - meta_frame_layout_unref (info->layout); - info->layout = NULL; - pop_state (info); - g_assert (peek_state (info) == STATE_THEME); - break; - case STATE_DISTANCE: - pop_state (info); - g_assert (peek_state (info) == STATE_FRAME_GEOMETRY); - break; - case STATE_BORDER: - pop_state (info); - g_assert (peek_state (info) == STATE_FRAME_GEOMETRY); - break; - case STATE_ASPECT_RATIO: - pop_state (info); - g_assert (peek_state (info) == STATE_FRAME_GEOMETRY); - break; - case STATE_DRAW_OPS: - { - g_assert (info->op_list); - - if (!meta_draw_op_list_validate (info->op_list, - error)) - { - add_context_to_error (error, context); - meta_draw_op_list_unref (info->op_list); - info->op_list = NULL; - } - - pop_state (info); - - switch (peek_state (info)) - { - case STATE_BUTTON: - case STATE_PIECE: - case STATE_MENU_ICON: - /* Leave info->op_list to be picked up - * when these elements are closed - */ - g_assert (info->op_list); - break; - case STATE_THEME: - g_assert (info->op_list); - meta_draw_op_list_unref (info->op_list); - info->op_list = NULL; - break; - default: - /* Op list can't occur in other contexts */ - g_assert_not_reached (); - break; - } - } - break; - case STATE_LINE: - pop_state (info); - g_assert (peek_state (info) == STATE_DRAW_OPS); - break; - case STATE_RECTANGLE: - pop_state (info); - g_assert (peek_state (info) == STATE_DRAW_OPS); - break; - case STATE_ARC: - pop_state (info); - g_assert (peek_state (info) == STATE_DRAW_OPS); - break; - case STATE_CLIP: - pop_state (info); - g_assert (peek_state (info) == STATE_DRAW_OPS); - break; - case STATE_TINT: - pop_state (info); - g_assert (peek_state (info) == STATE_DRAW_OPS); - break; - case STATE_GRADIENT: - g_assert (info->op); - g_assert (info->op->type == META_DRAW_GRADIENT); - if (!meta_gradient_spec_validate (info->op->data.gradient.gradient_spec, - error)) - { - add_context_to_error (error, context); - meta_draw_op_free (info->op); - info->op = NULL; - } - else - { - g_assert (info->op_list); - meta_draw_op_list_append (info->op_list, info->op); - info->op = NULL; - } - pop_state (info); - g_assert (peek_state (info) == STATE_DRAW_OPS); - break; - case STATE_IMAGE: - pop_state (info); - g_assert (peek_state (info) == STATE_DRAW_OPS); - break; - case STATE_GTK_ARROW: - pop_state (info); - g_assert (peek_state (info) == STATE_DRAW_OPS); - break; - case STATE_GTK_BOX: - pop_state (info); - g_assert (peek_state (info) == STATE_DRAW_OPS); - break; - case STATE_GTK_VLINE: - pop_state (info); - g_assert (peek_state (info) == STATE_DRAW_OPS); - break; - case STATE_ICON: - pop_state (info); - g_assert (peek_state (info) == STATE_DRAW_OPS); - break; - case STATE_TITLE: - pop_state (info); - g_assert (peek_state (info) == STATE_DRAW_OPS); - break; - case STATE_INCLUDE: - pop_state (info); - g_assert (peek_state (info) == STATE_DRAW_OPS); - break; - case STATE_TILE: - pop_state (info); - g_assert (peek_state (info) == STATE_DRAW_OPS); - break; - case STATE_COLOR: - pop_state (info); - g_assert (peek_state (info) == STATE_GRADIENT); - break; - case STATE_FRAME_STYLE: - g_assert (info->style); - - if (!meta_frame_style_validate (info->style, - peek_required_version (info), - error)) - { - add_context_to_error (error, context); - } - - /* Frame style is in the theme hash table and a ref - * is held there - */ - meta_frame_style_unref (info->style); - info->style = NULL; - pop_state (info); - g_assert (peek_state (info) == STATE_THEME); - break; - case STATE_PIECE: - g_assert (info->style); - if (info->op_list == NULL) - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("No draw_ops provided for frame piece")); - } - else - { - info->style->pieces[info->piece] = info->op_list; - info->op_list = NULL; - } - pop_state (info); - g_assert (peek_state (info) == STATE_FRAME_STYLE); - break; - case STATE_BUTTON: - g_assert (info->style); - if (info->op_list == NULL) - { - set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, - _("No draw_ops provided for button")); - } - else - { - info->style->buttons[info->button_type][info->button_state] = - info->op_list; - info->op_list = NULL; - } - pop_state (info); - break; - case STATE_MENU_ICON: - g_assert (info->theme); - if (info->op_list != NULL) - { - meta_draw_op_list_unref (info->op_list); - info->op_list = NULL; - } - pop_state (info); - g_assert (peek_state (info) == STATE_THEME); - break; - case STATE_FRAME_STYLE_SET: - g_assert (info->style_set); - - if (!meta_frame_style_set_validate (info->style_set, - error)) - { - add_context_to_error (error, context); - } - - /* Style set is in the theme hash table and a reference - * is held there. - */ - meta_frame_style_set_unref (info->style_set); - info->style_set = NULL; - pop_state (info); - g_assert (peek_state (info) == STATE_THEME); - break; - case STATE_FRAME: - pop_state (info); - g_assert (peek_state (info) == STATE_FRAME_STYLE_SET); - break; - case STATE_WINDOW: - pop_state (info); - g_assert (peek_state (info) == STATE_THEME); - break; - case STATE_FALLBACK: - pop_state (info); - g_assert (peek_state (info) == STATE_THEME); - break; - } - - pop_required_version (info); -} - -#define NO_TEXT(element_name) set_error (error, context, G_MARKUP_ERROR, G_MARKUP_ERROR_PARSE, _("No text is allowed inside element <%s>"), element_name) - -static gboolean -all_whitespace (const char *text, - int text_len) -{ - const char *p; - const char *end; - - p = text; - end = text + text_len; - - while (p != end) - { - if (!g_ascii_isspace (*p)) - return FALSE; - - p = g_utf8_next_char (p); - } - - return TRUE; -} - -static void -text_handler (GMarkupParseContext *context, - const gchar *text, - gsize text_len, - gpointer user_data, - GError **error) -{ - ParseInfo *info = user_data; - - if (info->skip_level > 0) - return; - - if (all_whitespace (text, text_len)) - return; - - /* FIXME http://bugzilla.gnome.org/show_bug.cgi?id=70448 would - * allow a nice cleanup here. - */ - - switch (peek_state (info)) - { - case STATE_START: - g_assert_not_reached (); /* gmarkup shouldn't do this */ - break; - case STATE_THEME: - NO_TEXT ("metacity_theme"); - break; - case STATE_INFO: - NO_TEXT ("info"); - break; - case STATE_NAME: - if (info->theme->readable_name != NULL) - { - set_error (error, context, G_MARKUP_ERROR, - G_MARKUP_ERROR_PARSE, - _("<%s> specified twice for this theme"), - "name"); - return; - } - - info->theme->readable_name = g_strndup (text, text_len); - break; - case STATE_AUTHOR: - if (info->theme->author != NULL) - { - set_error (error, context, G_MARKUP_ERROR, - G_MARKUP_ERROR_PARSE, - _("<%s> specified twice for this theme"), - "author"); - return; - } - - info->theme->author = g_strndup (text, text_len); - break; - case STATE_COPYRIGHT: - if (info->theme->copyright != NULL) - { - set_error (error, context, G_MARKUP_ERROR, - G_MARKUP_ERROR_PARSE, - _("<%s> specified twice for this theme"), - "copyright"); - return; - } - - info->theme->copyright = g_strndup (text, text_len); - break; - case STATE_DATE: - if (info->theme->date != NULL) - { - set_error (error, context, G_MARKUP_ERROR, - G_MARKUP_ERROR_PARSE, - _("<%s> specified twice for this theme"), - "date"); - return; - } - - info->theme->date = g_strndup (text, text_len); - break; - case STATE_DESCRIPTION: - if (info->theme->description != NULL) - { - set_error (error, context, G_MARKUP_ERROR, - G_MARKUP_ERROR_PARSE, - _("<%s> specified twice for this theme"), - "description"); - return; - } - - info->theme->description = g_strndup (text, text_len); - break; - case STATE_CONSTANT: - NO_TEXT ("constant"); - break; - case STATE_FRAME_GEOMETRY: - NO_TEXT ("frame_geometry"); - break; - case STATE_DISTANCE: - NO_TEXT ("distance"); - break; - case STATE_BORDER: - NO_TEXT ("border"); - break; - case STATE_ASPECT_RATIO: - NO_TEXT ("aspect_ratio"); - break; - case STATE_DRAW_OPS: - NO_TEXT ("draw_ops"); - break; - case STATE_LINE: - NO_TEXT ("line"); - break; - case STATE_RECTANGLE: - NO_TEXT ("rectangle"); - break; - case STATE_ARC: - NO_TEXT ("arc"); - break; - case STATE_CLIP: - NO_TEXT ("clip"); - break; - case STATE_TINT: - NO_TEXT ("tint"); - break; - case STATE_GRADIENT: - NO_TEXT ("gradient"); - break; - case STATE_IMAGE: - NO_TEXT ("image"); - break; - case STATE_GTK_ARROW: - NO_TEXT ("gtk_arrow"); - break; - case STATE_GTK_BOX: - NO_TEXT ("gtk_box"); - break; - case STATE_GTK_VLINE: - NO_TEXT ("gtk_vline"); - break; - case STATE_ICON: - NO_TEXT ("icon"); - break; - case STATE_TITLE: - NO_TEXT ("title"); - break; - case STATE_INCLUDE: - NO_TEXT ("include"); - break; - case STATE_TILE: - NO_TEXT ("tile"); - break; - case STATE_COLOR: - NO_TEXT ("color"); - break; - case STATE_FRAME_STYLE: - NO_TEXT ("frame_style"); - break; - case STATE_PIECE: - NO_TEXT ("piece"); - break; - case STATE_BUTTON: - NO_TEXT ("button"); - break; - case STATE_MENU_ICON: - NO_TEXT ("menu_icon"); - break; - case STATE_FRAME_STYLE_SET: - NO_TEXT ("frame_style_set"); - break; - case STATE_FRAME: - NO_TEXT ("frame"); - break; - case STATE_WINDOW: - NO_TEXT ("window"); - break; - case STATE_FALLBACK: - NO_TEXT ("fallback"); - break; - } -} - -/* If the theme is not-corrupt, keep looking for alternate versions - * in other locations we might be compatible with - */ -static gboolean -theme_error_is_fatal (GError *error) -{ - return !(error->domain == G_FILE_ERROR || - (error->domain == THEME_PARSE_ERROR && - error->code == THEME_PARSE_ERROR_TOO_OLD)); -} - -static MetaTheme * -load_theme (const char *theme_dir, - const char *theme_name, - guint major_version, - GError **error) -{ - GMarkupParseContext *context; - ParseInfo info; - char *text; - gsize length; - char *theme_filename; - char *theme_file; - MetaTheme *retval; - - g_return_val_if_fail (error && *error == NULL, NULL); - - text = NULL; - retval = NULL; - context = NULL; - - theme_filename = g_strdup_printf (METACITY_THEME_FILENAME_FORMAT, major_version); - theme_file = g_build_filename (theme_dir, theme_filename, NULL); - - if (!g_file_get_contents (theme_file, - &text, - &length, - error)) - goto out; - - meta_topic (META_DEBUG_THEMES, "Parsing theme file %s\n", theme_file); - - parse_info_init (&info); - - info.theme_name = theme_name; - info.theme_file = theme_file; - info.theme_dir = theme_dir; - - info.format_version = 1000 * major_version; - - context = g_markup_parse_context_new (&metacity_theme_parser, - 0, &info, NULL); - - if (!g_markup_parse_context_parse (context, - text, - length, - error)) - goto out; - - if (!g_markup_parse_context_end_parse (context, error)) - goto out; - - retval = info.theme; - info.theme = NULL; - - out: - if (*error && !theme_error_is_fatal (*error)) - { - meta_topic (META_DEBUG_THEMES, "Failed to read theme from file %s: %s\n", - theme_file, (*error)->message); - } - - g_free (theme_filename); - g_free (theme_file); - g_free (text); - - if (context) - { - g_markup_parse_context_free (context); - parse_info_free (&info); - } - - return retval; -} - -static gboolean -keep_trying (GError **error) -{ - if (*error && !theme_error_is_fatal (*error)) - { - g_clear_error (error); - return TRUE; - } - - return FALSE; -} - -/** - * meta_theme_load: (skip) - * @theme_name: - * @err: - * - */ -MetaTheme* -meta_theme_load (const char *theme_name, - GError **err) -{ - GError *error = NULL; - char *theme_dir; - MetaTheme *retval; - const gchar* const* xdg_data_dirs; - int major_version; - int i; - - retval = NULL; - - /* We try all supported major versions from current to oldest */ - for (major_version = THEME_MAJOR_VERSION; (major_version > 0); major_version--) - { - /* We try first in XDG_USER_DATA_DIR, XDG_DATA_DIRS, then system dir for themes */ - - /* Try XDG_USER_DATA_DIR first */ - theme_dir = g_build_filename (g_get_user_data_dir(), - "themes", - theme_name, - THEME_SUBDIR, - NULL); - - retval = load_theme (theme_dir, theme_name, major_version, &error); - g_free (theme_dir); - if (!keep_trying (&error)) - goto out; - - /* Try each XDG_DATA_DIRS for theme */ - xdg_data_dirs = g_get_system_data_dirs(); - for(i = 0; xdg_data_dirs[i] != NULL; i++) - { - theme_dir = g_build_filename (xdg_data_dirs[i], - "themes", - theme_name, - THEME_SUBDIR, - NULL); - - retval = load_theme (theme_dir, theme_name, major_version, &error); - g_free (theme_dir); - if (!keep_trying (&error)) - goto out; - } - - /* Look for themes in MUTTER_DATADIR */ - theme_dir = g_build_filename (MUTTER_DATADIR, - "themes", - theme_name, - THEME_SUBDIR, - NULL); - - retval = load_theme (theme_dir, theme_name, major_version, &error); - g_free (theme_dir); - if (!keep_trying (&error)) - goto out; - } - - out: - if (!error && !retval) - g_set_error (&error, META_THEME_ERROR, META_THEME_ERROR_FAILED, - _("Failed to find a valid file for theme %s\n"), - theme_name); - - if (error) - { - g_propagate_error (err, error); - } - - return retval; -} diff --git a/src/ui/theme-private.h b/src/ui/theme-private.h index 4d7091b0a..141e0a792 100644 --- a/src/ui/theme-private.h +++ b/src/ui/theme-private.h @@ -42,31 +42,6 @@ typedef struct _MetaFrameStyle MetaFrameStyle; * */ typedef struct _MetaFrameStyleSet MetaFrameStyleSet; -/** - * MetaDrawOp: (skip) - * - */ -typedef struct _MetaDrawOp MetaDrawOp; -/** - * MetaDrawOpList: (skip) - * - */ -typedef struct _MetaDrawOpList MetaDrawOpList; -/** - * MetaGradientSpec: (skip) - * - */ -typedef struct _MetaGradientSpec MetaGradientSpec; -/** - * MetaAlphaGradientSpec: (skip) - * - */ -typedef struct _MetaAlphaGradientSpec MetaAlphaGradientSpec; -/** - * MetaColorSpec: (skip) - * - */ -typedef struct _MetaColorSpec MetaColorSpec; /** * MetaFrameLayout: (skip) * @@ -83,53 +58,10 @@ typedef struct _MetaButtonSpace MetaButtonSpace; */ typedef struct _MetaFrameGeometry MetaFrameGeometry; -/** - * MetaPositionExprEnv: (skip) - * - */ -typedef struct _MetaPositionExprEnv MetaPositionExprEnv; -/** - * MetaDrawInfo: (skip) - * - */ -typedef struct _MetaDrawInfo MetaDrawInfo; - -#define META_THEME_ERROR (g_quark_from_static_string ("meta-theme-error")) - -typedef enum -{ - META_THEME_ERROR_FRAME_GEOMETRY, - META_THEME_ERROR_BAD_CHARACTER, - META_THEME_ERROR_BAD_PARENS, - META_THEME_ERROR_UNKNOWN_VARIABLE, - META_THEME_ERROR_DIVIDE_BY_ZERO, - META_THEME_ERROR_MOD_ON_FLOAT, - META_THEME_ERROR_FAILED -} MetaThemeError; - -/** - * Whether a button's size is calculated from the area around it (aspect - * sizing) or is given as a fixed height and width in pixels (fixed sizing). - * - * \bug This could be done away with; see the comment at the top of - * MetaFrameLayout. - */ -typedef enum -{ - META_BUTTON_SIZING_ASPECT, - META_BUTTON_SIZING_FIXED, - META_BUTTON_SIZING_LAST -} MetaButtonSizing; - /** * Various parameters used to calculate the geometry of a frame. * They are used inside a MetaFrameStyle. * This corresponds closely to the <frame_geometry> tag in a theme file. - * - * \bug button_sizing isn't really necessary, because we could easily say - * that if button_aspect is zero, the height and width are fixed values. - * This would also mean that MetaButtonSizing didn't need to exist, and - * save code. **/ struct _MetaFrameLayout { @@ -156,22 +88,6 @@ struct _MetaFrameLayout /** Left indent of buttons from edges of frame */ int left_titlebar_edge; - /** - * Sizing rule of buttons, either META_BUTTON_SIZING_ASPECT - * (in which case button_aspect will be honoured, and - * button_width and button_height set from it), or - * META_BUTTON_SIZING_FIXED (in which case we read the width - * and height directly). - */ - MetaButtonSizing button_sizing; - - /** - * Ratio of height/width. Honoured only if - * button_sizing==META_BUTTON_SIZING_ASPECT. - * Otherwise we figure out the height from the button_border. - */ - double button_aspect; - /** Width of a button; set even when we are using aspect sizing */ int button_width; @@ -239,7 +155,7 @@ struct _MetaFrameGeometry /* used for a memset hack */ #define ADDRESS_OF_BUTTON_RECTS(fgeom) (((char*)(fgeom)) + G_STRUCT_OFFSET (MetaFrameGeometry, close_rect)) -#define LENGTH_OF_BUTTON_RECTS (G_STRUCT_OFFSET (MetaFrameGeometry, right_single_background) + sizeof (GdkRectangle) - G_STRUCT_OFFSET (MetaFrameGeometry, close_rect)) +#define LENGTH_OF_BUTTON_RECTS (G_STRUCT_OFFSET (MetaFrameGeometry, unstick_rect) + sizeof (GdkRectangle) - G_STRUCT_OFFSET (MetaFrameGeometry, close_rect)) /* The button rects (if changed adjust memset hack) */ MetaButtonSpace close_rect; @@ -253,16 +169,6 @@ struct _MetaFrameGeometry MetaButtonSpace unshade_rect; MetaButtonSpace unabove_rect; MetaButtonSpace unstick_rect; - -#define MAX_MIDDLE_BACKGROUNDS (MAX_BUTTONS_PER_CORNER - 2) - GdkRectangle left_left_background; - GdkRectangle left_middle_backgrounds[MAX_MIDDLE_BACKGROUNDS]; - GdkRectangle left_right_background; - GdkRectangle left_single_background; - GdkRectangle right_left_background; - GdkRectangle right_middle_backgrounds[MAX_MIDDLE_BACKGROUNDS]; - GdkRectangle right_right_background; - GdkRectangle right_single_background; /* End of button rects (if changed adjust memset hack) */ /* Saved button layout */ @@ -277,380 +183,6 @@ struct _MetaFrameGeometry guint bottom_right_corner_rounded_radius; }; -typedef enum -{ - META_IMAGE_FILL_SCALE, /* default, needs to be all-bits-zero for g_new0 */ - META_IMAGE_FILL_TILE -} MetaImageFillType; - -typedef enum -{ - META_GRADIENT_VERTICAL, - META_GRADIENT_HORIZONTAL, - META_GRADIENT_DIAGONAL, - META_GRADIENT_LAST -} MetaGradientType; - -typedef enum -{ - META_COLOR_SPEC_BASIC, - META_COLOR_SPEC_GTK, - META_COLOR_SPEC_GTK_CUSTOM, - META_COLOR_SPEC_BLEND, - META_COLOR_SPEC_SHADE -} MetaColorSpecType; - -typedef enum -{ - META_GTK_COLOR_FG, - META_GTK_COLOR_BG, - META_GTK_COLOR_LIGHT, - META_GTK_COLOR_DARK, - META_GTK_COLOR_MID, - META_GTK_COLOR_TEXT, - META_GTK_COLOR_BASE, - META_GTK_COLOR_TEXT_AA, - META_GTK_COLOR_LAST -} MetaGtkColorComponent; - -struct _MetaColorSpec -{ - MetaColorSpecType type; - union - { - struct { - GdkRGBA color; - } basic; - struct { - MetaGtkColorComponent component; - GtkStateFlags state; - } gtk; - struct { - char *color_name; - MetaColorSpec *fallback; - } gtkcustom; - struct { - MetaColorSpec *foreground; - MetaColorSpec *background; - double alpha; - - GdkRGBA color; - } blend; - struct { - MetaColorSpec *base; - double factor; - - GdkRGBA color; - } shade; - } data; -}; - -struct _MetaGradientSpec -{ - MetaGradientType type; - GSList *color_specs; -}; - -struct _MetaAlphaGradientSpec -{ - MetaGradientType type; - unsigned char *alphas; - int n_alphas; -}; - -struct _MetaDrawInfo -{ - GdkPixbuf *mini_icon; - GdkPixbuf *icon; - PangoLayout *title_layout; - int title_layout_width; - int title_layout_height; - const MetaFrameGeometry *fgeom; -}; - -/** - * A drawing operation in our simple vector drawing language. - */ -typedef enum -{ - /** Basic drawing-- line */ - META_DRAW_LINE, - /** Basic drawing-- rectangle */ - META_DRAW_RECTANGLE, - /** Basic drawing-- arc */ - META_DRAW_ARC, - - /** Clip to a rectangle */ - META_DRAW_CLIP, - - /* Texture thingies */ - - /** Just a filled rectangle with alpha */ - META_DRAW_TINT, - META_DRAW_GRADIENT, - META_DRAW_IMAGE, - - /** GTK theme engine stuff */ - META_DRAW_GTK_ARROW, - META_DRAW_GTK_BOX, - META_DRAW_GTK_VLINE, - - /** App's window icon */ - META_DRAW_ICON, - /** App's window title */ - META_DRAW_TITLE, - /** a draw op list */ - META_DRAW_OP_LIST, - /** tiled draw op list */ - META_DRAW_TILE -} MetaDrawType; - -typedef enum -{ - POS_TOKEN_INT, - POS_TOKEN_DOUBLE, - POS_TOKEN_OPERATOR, - POS_TOKEN_VARIABLE, - POS_TOKEN_OPEN_PAREN, - POS_TOKEN_CLOSE_PAREN -} PosTokenType; - -typedef enum -{ - POS_OP_NONE, - POS_OP_ADD, - POS_OP_SUBTRACT, - POS_OP_MULTIPLY, - POS_OP_DIVIDE, - POS_OP_MOD, - POS_OP_MAX, - POS_OP_MIN -} PosOperatorType; - -/** - * A token, as output by the tokeniser. - * - * \ingroup tokenizer - */ -typedef struct -{ - PosTokenType type; - - union - { - struct { - int val; - } i; - - struct { - double val; - } d; - - struct { - PosOperatorType op; - } o; - - struct { - char *name; - GQuark name_quark; - } v; - - } d; -} PosToken; - -/** - * MetaDrawSpec: (skip) - * - * A computed expression in our simple vector drawing language. - * While it appears to take the form of a tree, this is actually - * merely a list; concerns such as precedence of operators are - * currently recomputed on every recalculation. - * - * Created by meta_draw_spec_new(), destroyed by meta_draw_spec_free(). - * pos_eval() fills this with ...FIXME. Are tokens a tree or a list? - * \ingroup parser - */ -typedef struct _MetaDrawSpec MetaDrawSpec; -struct _MetaDrawSpec -{ - /** - * If this spec is constant, this is the value of the constant; - * otherwise it is zero. - */ - int value; - - /** A list of tokens in the expression. */ - PosToken *tokens; - - /** How many tokens are in the tokens list. */ - int n_tokens; - - /** Does the expression contain any variables? */ - gboolean constant : 1; -}; - -/** - * A single drawing operation in our simple vector drawing language. - */ -struct _MetaDrawOp -{ - MetaDrawType type; - - /* Positions are strings because they can be expressions */ - union - { - struct { - MetaColorSpec *color_spec; - int dash_on_length; - int dash_off_length; - int width; - MetaDrawSpec *x1; - MetaDrawSpec *y1; - MetaDrawSpec *x2; - MetaDrawSpec *y2; - } line; - - struct { - MetaColorSpec *color_spec; - gboolean filled; - MetaDrawSpec *x; - MetaDrawSpec *y; - MetaDrawSpec *width; - MetaDrawSpec *height; - } rectangle; - - struct { - MetaColorSpec *color_spec; - gboolean filled; - MetaDrawSpec *x; - MetaDrawSpec *y; - MetaDrawSpec *width; - MetaDrawSpec *height; - double start_angle; - double extent_angle; - } arc; - - struct { - MetaDrawSpec *x; - MetaDrawSpec *y; - MetaDrawSpec *width; - MetaDrawSpec *height; - } clip; - - struct { - MetaColorSpec *color_spec; - MetaAlphaGradientSpec *alpha_spec; - MetaDrawSpec *x; - MetaDrawSpec *y; - MetaDrawSpec *width; - MetaDrawSpec *height; - } tint; - - struct { - MetaGradientSpec *gradient_spec; - MetaAlphaGradientSpec *alpha_spec; - MetaDrawSpec *x; - MetaDrawSpec *y; - MetaDrawSpec *width; - MetaDrawSpec *height; - } gradient; - - struct { - MetaAlphaGradientSpec *alpha_spec; - GdkPixbuf *pixbuf; - MetaDrawSpec *x; - MetaDrawSpec *y; - MetaDrawSpec *width; - MetaDrawSpec *height; - - MetaImageFillType fill_type; - unsigned int vertical_stripes : 1; - unsigned int horizontal_stripes : 1; - } image; - - struct { - GtkStateFlags state; - GtkShadowType shadow; - GtkArrowType arrow; - gboolean filled; - - MetaDrawSpec *x; - MetaDrawSpec *y; - MetaDrawSpec *width; - MetaDrawSpec *height; - } gtk_arrow; - - struct { - GtkStateFlags state; - GtkShadowType shadow; - MetaDrawSpec *x; - MetaDrawSpec *y; - MetaDrawSpec *width; - MetaDrawSpec *height; - } gtk_box; - - struct { - GtkStateFlags state; - MetaDrawSpec *x; - MetaDrawSpec *y1; - MetaDrawSpec *y2; - } gtk_vline; - - struct { - MetaAlphaGradientSpec *alpha_spec; - MetaDrawSpec *x; - MetaDrawSpec *y; - MetaDrawSpec *width; - MetaDrawSpec *height; - MetaImageFillType fill_type; - } icon; - - struct { - MetaColorSpec *color_spec; - MetaDrawSpec *x; - MetaDrawSpec *y; - MetaDrawSpec *ellipsize_width; - } title; - - struct { - MetaDrawOpList *op_list; - MetaDrawSpec *x; - MetaDrawSpec *y; - MetaDrawSpec *width; - MetaDrawSpec *height; - } op_list; - - struct { - MetaDrawOpList *op_list; - MetaDrawSpec *x; - MetaDrawSpec *y; - MetaDrawSpec *width; - MetaDrawSpec *height; - MetaDrawSpec *tile_xoffset; - MetaDrawSpec *tile_yoffset; - MetaDrawSpec *tile_width; - MetaDrawSpec *tile_height; - } tile; - - } data; -}; - -/** - * A list of MetaDrawOp objects. Maintains a reference count. - * Grows as necessary and allows the allocation of unused spaces - * to keep reallocations to a minimum. - * - * \bug Do we really win anything from not using the equivalent - * GLib structures? - */ -struct _MetaDrawOpList -{ - int refcount; - MetaDrawOp **ops; - int n_ops; - int n_allocated; -}; - typedef enum { META_BUTTON_STATE_NORMAL, @@ -661,15 +193,6 @@ typedef enum typedef enum { - /* Ordered so that background is drawn first */ - META_BUTTON_TYPE_LEFT_LEFT_BACKGROUND, - META_BUTTON_TYPE_LEFT_MIDDLE_BACKGROUND, - META_BUTTON_TYPE_LEFT_RIGHT_BACKGROUND, - META_BUTTON_TYPE_LEFT_SINGLE_BACKGROUND, - META_BUTTON_TYPE_RIGHT_LEFT_BACKGROUND, - META_BUTTON_TYPE_RIGHT_MIDDLE_BACKGROUND, - META_BUTTON_TYPE_RIGHT_RIGHT_BACKGROUND, - META_BUTTON_TYPE_RIGHT_SINGLE_BACKGROUND, META_BUTTON_TYPE_CLOSE, META_BUTTON_TYPE_MAXIMIZE, META_BUTTON_TYPE_MINIMIZE, @@ -701,51 +224,6 @@ struct _MetaStyleInfo GtkStyleContext *styles[META_STYLE_ELEMENT_LAST]; }; -typedef enum -{ - /* Listed in the order in which the textures are drawn. - * (though this only matters for overlaps of course.) - * Buttons are drawn after the frame textures. - * - * On the corners, horizontal pieces are arbitrarily given the - * corner area: - * - * ===== |==== - * | | - * | rather than | - * - */ - - /* entire frame */ - META_FRAME_PIECE_ENTIRE_BACKGROUND, - /* entire titlebar background */ - META_FRAME_PIECE_TITLEBAR, - /* portion of the titlebar background inside the titlebar - * background edges - */ - META_FRAME_PIECE_TITLEBAR_MIDDLE, - /* left end of titlebar */ - META_FRAME_PIECE_LEFT_TITLEBAR_EDGE, - /* right end of titlebar */ - META_FRAME_PIECE_RIGHT_TITLEBAR_EDGE, - /* top edge of titlebar */ - META_FRAME_PIECE_TOP_TITLEBAR_EDGE, - /* bottom edge of titlebar */ - META_FRAME_PIECE_BOTTOM_TITLEBAR_EDGE, - /* render over title background (text area) */ - META_FRAME_PIECE_TITLE, - /* left edge of the frame */ - META_FRAME_PIECE_LEFT_EDGE, - /* right edge of the frame */ - META_FRAME_PIECE_RIGHT_EDGE, - /* bottom edge of the frame */ - META_FRAME_PIECE_BOTTOM_EDGE, - /* place over entire frame, after drawing everything else */ - META_FRAME_PIECE_OVERLAY, - /* Used to get size of the enum */ - META_FRAME_PIECE_LAST -} MetaFramePiece; - /** * How to draw a frame in a particular state (say, a focussed, non-maximised, * resizable frame). This corresponds closely to the <frame_style> tag @@ -760,24 +238,11 @@ struct _MetaFrameStyle * Settings which are unspecified here will be taken from there. */ MetaFrameStyle *parent; - /** Operations for drawing each kind of button in each state. */ - MetaDrawOpList *buttons[META_BUTTON_TYPE_LAST][META_BUTTON_STATE_LAST]; - /** Operations for drawing each piece of the frame. */ - MetaDrawOpList *pieces[META_FRAME_PIECE_LAST]; /** * Details such as the height and width of each edge, the corner rounding, * and the aspect ratio of the buttons. */ MetaFrameLayout *layout; - /** - * Background colour of the window. Only present in theme formats - * 2 and above. Can be NULL to use the standard GTK theme engine. - */ - MetaColorSpec *window_background_color; - /** - * Transparency of the window background. 0=transparent; 255=opaque. - */ - guint8 window_background_alpha; }; /* Kinds of frame... @@ -851,92 +316,11 @@ struct _MetaFrameStyleSet /** * A theme. This is a singleton class which groups all settings from a theme - * on disk together. - * - * \bug It is rather useless to keep the metadata fields in core, I think. + * together. */ struct _MetaTheme { - /** Name of the theme (on disk), e.g. "Crux" */ - char *name; - /** Path to the files associated with the theme */ - char *dirname; - /** - * Filename of the XML theme file. - * \bug Kept lying around for no discernable reason. - */ - char *filename; - /** Metadata: Human-readable name of the theme. */ - char *readable_name; - /** Metadata: Author of the theme. */ - char *author; - /** Metadata: Copyright holder. */ - char *copyright; - /** Metadata: Date of the theme. */ - char *date; - /** Metadata: Description of the theme. */ - char *description; - /** Version of the theme format. Older versions cannot use the features - * of newer versions even if they think they can (this is to allow forward - * and backward compatibility. - */ - guint format_version; - - /** Symbol table of integer constants. */ - GHashTable *integer_constants; - /** Symbol table of float constants. */ - GHashTable *float_constants; - /** - * Symbol table of colour constants (hex triples, and triples - * plus alpha). - * */ - GHashTable *color_constants; - GHashTable *images_by_filename; - GHashTable *layouts_by_name; - GHashTable *draw_op_lists_by_name; - GHashTable *styles_by_name; - GHashTable *style_sets_by_name; MetaFrameStyleSet *style_sets_by_type[META_FRAME_TYPE_LAST]; - - GQuark quark_width; - GQuark quark_height; - GQuark quark_object_width; - GQuark quark_object_height; - GQuark quark_left_width; - GQuark quark_right_width; - GQuark quark_top_height; - GQuark quark_bottom_height; - GQuark quark_mini_icon_width; - GQuark quark_mini_icon_height; - GQuark quark_icon_width; - GQuark quark_icon_height; - GQuark quark_title_width; - GQuark quark_title_height; - GQuark quark_frame_x_center; - GQuark quark_frame_y_center; -}; - -struct _MetaPositionExprEnv -{ - MetaRectangle rect; - /* size of an object being drawn, if it has a natural size */ - int object_width; - int object_height; - /* global object sizes, always available */ - int left_width; - int right_width; - int top_height; - int bottom_height; - int title_width; - int title_height; - int frame_x_center; - int frame_y_center; - int mini_icon_width; - int mini_icon_height; - int icon_width; - int icon_height; - /* Theme so we can look up constants */ - MetaTheme *theme; }; MetaFrameLayout* meta_frame_layout_new (void); @@ -948,77 +332,6 @@ void meta_frame_layout_get_borders (const MetaFrameLayout *layout, MetaFrameFlags flags, MetaFrameType type, MetaFrameBorders *borders); -gboolean meta_frame_layout_validate (const MetaFrameLayout *layout, - GError **error); - -gboolean meta_parse_position_expression (MetaDrawSpec *spec, - const MetaPositionExprEnv *env, - int *x_return, - int *y_return, - GError **err); -gboolean meta_parse_size_expression (MetaDrawSpec *spec, - const MetaPositionExprEnv *env, - int *val_return, - GError **err); - -MetaDrawSpec* meta_draw_spec_new (MetaTheme *theme, - const char *expr, - GError **error); -void meta_draw_spec_free (MetaDrawSpec *spec); - -MetaColorSpec* meta_color_spec_new (MetaColorSpecType type); -MetaColorSpec* meta_color_spec_new_from_string (const char *str, - GError **err); -MetaColorSpec* meta_color_spec_new_gtk (MetaGtkColorComponent component, - GtkStateFlags state); -void meta_color_spec_free (MetaColorSpec *spec); -void meta_color_spec_render (MetaColorSpec *spec, - GtkStyleContext *style_gtk, - GdkRGBA *color); - - -MetaDrawOp* meta_draw_op_new (MetaDrawType type); -void meta_draw_op_free (MetaDrawOp *op); - -void meta_draw_op_draw_with_style (const MetaDrawOp *op, - GtkStyleContext *style_gtk, - cairo_t *cr, - const MetaDrawInfo *info, - /* logical region being drawn */ - MetaRectangle logical_region); - -MetaDrawOpList* meta_draw_op_list_new (int n_preallocs); -void meta_draw_op_list_ref (MetaDrawOpList *op_list); -void meta_draw_op_list_unref (MetaDrawOpList *op_list); -void meta_draw_op_list_draw_with_style (const MetaDrawOpList *op_list, - GtkStyleContext *style_gtk, - cairo_t *cr, - const MetaDrawInfo *info, - MetaRectangle rect); -void meta_draw_op_list_append (MetaDrawOpList *op_list, - MetaDrawOp *op); -gboolean meta_draw_op_list_validate (MetaDrawOpList *op_list, - GError **error); -gboolean meta_draw_op_list_contains (MetaDrawOpList *op_list, - MetaDrawOpList *child); - -MetaGradientSpec* meta_gradient_spec_new (MetaGradientType type); -void meta_gradient_spec_free (MetaGradientSpec *desc); -void meta_gradient_spec_render (const MetaGradientSpec *spec, - const MetaAlphaGradientSpec *alpha_spec, - cairo_t *cr, - GtkStyleContext *style, - int x, - int y, - int width, - int height); -gboolean meta_gradient_spec_validate (MetaGradientSpec *spec, - GError **error); - -MetaAlphaGradientSpec* meta_alpha_gradient_spec_new (MetaGradientType type, - int n_alphas); -void meta_alpha_gradient_spec_free (MetaAlphaGradientSpec *spec); - MetaFrameStyle* meta_frame_style_new (MetaFrameStyle *parent); void meta_frame_style_ref (MetaFrameStyle *style); @@ -1027,22 +340,10 @@ void meta_frame_style_unref (MetaFrameStyle *style); void meta_frame_style_apply_scale (const MetaFrameStyle *style, PangoFontDescription *font_desc); -gboolean meta_frame_style_validate (MetaFrameStyle *style, - guint current_theme_version, - GError **error); - MetaFrameStyleSet* meta_frame_style_set_new (MetaFrameStyleSet *parent); void meta_frame_style_set_ref (MetaFrameStyleSet *style_set); void meta_frame_style_set_unref (MetaFrameStyleSet *style_set); -gboolean meta_frame_style_set_validate (MetaFrameStyleSet *style_set, - GError **error); - -GdkPixbuf* meta_theme_load_image (MetaTheme *theme, - const char *filename, - guint size_of_theme_icons, - GError **error); - MetaFrameStyle* meta_theme_get_frame_style (MetaTheme *theme, MetaFrameType type, MetaFrameFlags flags); @@ -1087,91 +388,11 @@ void meta_theme_calc_geometry (MetaTheme *theme, const MetaButtonLayout *button_layout, MetaFrameGeometry *fgeom); -MetaFrameLayout* meta_theme_lookup_layout (MetaTheme *theme, - const char *name); -void meta_theme_insert_layout (MetaTheme *theme, - const char *name, - MetaFrameLayout *layout); -MetaDrawOpList* meta_theme_lookup_draw_op_list (MetaTheme *theme, - const char *name); -void meta_theme_insert_draw_op_list (MetaTheme *theme, - const char *name, - MetaDrawOpList *op_list); -MetaFrameStyle* meta_theme_lookup_style (MetaTheme *theme, - const char *name); -void meta_theme_insert_style (MetaTheme *theme, - const char *name, - MetaFrameStyle *style); -MetaFrameStyleSet* meta_theme_lookup_style_set (MetaTheme *theme, - const char *name); -void meta_theme_insert_style_set (MetaTheme *theme, - const char *name, - MetaFrameStyleSet *style_set); -gboolean meta_theme_define_int_constant (MetaTheme *theme, - const char *name, - int value, - GError **error); -gboolean meta_theme_lookup_int_constant (MetaTheme *theme, - const char *name, - int *value); -gboolean meta_theme_define_float_constant (MetaTheme *theme, - const char *name, - double value, - GError **error); -gboolean meta_theme_lookup_float_constant (MetaTheme *theme, - const char *name, - double *value); - -gboolean meta_theme_define_color_constant (MetaTheme *theme, - const char *name, - const char *value, - GError **error); -gboolean meta_theme_lookup_color_constant (MetaTheme *theme, - const char *name, - char **value); - -gboolean meta_theme_replace_constants (MetaTheme *theme, - PosToken *tokens, - int n_tokens, - GError **err); - /* random stuff */ int meta_pango_font_desc_get_text_height (const PangoFontDescription *font_desc, PangoContext *context); - -/* Enum converters */ -MetaGtkColorComponent meta_color_component_from_string (const char *str); -MetaButtonState meta_button_state_from_string (const char *str); -const char* meta_button_state_to_string (MetaButtonState state); -MetaButtonType meta_button_type_from_string (const char *str, - MetaTheme *theme); -const char* meta_button_type_to_string (MetaButtonType type); -MetaFramePiece meta_frame_piece_from_string (const char *str); -MetaFrameState meta_frame_state_from_string (const char *str); -const char* meta_frame_state_to_string (MetaFrameState state); -MetaFrameResize meta_frame_resize_from_string (const char *str); -const char* meta_frame_resize_to_string (MetaFrameResize resize); -MetaFrameFocus meta_frame_focus_from_string (const char *str); -const char* meta_frame_focus_to_string (MetaFrameFocus focus); -MetaFrameType meta_frame_type_from_string (const char *str); -MetaGradientType meta_gradient_type_from_string (const char *str); -GtkStateFlags meta_gtk_state_from_string (const char *str); -GtkShadowType meta_gtk_shadow_from_string (const char *str); -GtkArrowType meta_gtk_arrow_from_string (const char *str); -MetaImageFillType meta_image_fill_type_from_string (const char *str); - -void meta_gtk_style_get_light_color (GtkStyleContext *style, - GtkStateFlags state, - GdkRGBA *color); -void meta_gtk_style_get_dark_color (GtkStyleContext *style, - GtkStateFlags state, - GdkRGBA *color); - -guint meta_theme_earliest_version_with_button (MetaButtonType type); - - #define META_THEME_ALLOWS(theme, feature) (theme->format_version >= feature) /* What version of the theme file format were various features introduced in? */ diff --git a/src/ui/theme.c b/src/ui/theme.c index dd364cfd6..74203b4bc 100644 --- a/src/ui/theme.c +++ b/src/ui/theme.c @@ -45,48 +45,7 @@ #include <stdarg.h> #include <math.h> -#define GDK_COLOR_RGBA(color) \ - ((guint32) (0xff | \ - ((int)((color).red * 255) << 24) | \ - ((int)((color).green * 255) << 16) | \ - ((int)((color).blue * 255) << 8))) - -#define GDK_COLOR_RGB(color) \ - ((guint32) (((int)((color).red * 255) << 16) | \ - ((int)((color).green * 255) << 8) | \ - ((int)((color).blue * 255)))) - #define DEBUG_FILL_STRUCT(s) memset ((s), 0xef, sizeof (*(s))) -#define CLAMP_UCHAR(v) ((guchar) (CLAMP (((int)v), (int)0, (int)255))) -#define INTENSITY(r, g, b) ((r) * 0.30 + (g) * 0.59 + (b) * 0.11) - -static void gtk_style_shade (GdkRGBA *a, - GdkRGBA *b, - gdouble k); -static void rgb_to_hls (gdouble *r, - gdouble *g, - gdouble *b); -static void hls_to_rgb (gdouble *h, - gdouble *l, - gdouble *s); - -/* - * The current theme. (Themes are singleton.) - */ -static MetaTheme *meta_current_theme = NULL; - -static void -color_composite (const GdkRGBA *bg, - const GdkRGBA *fg, - double alpha, - GdkRGBA *color) -{ - *color = *bg; - color->red = color->red + (fg->red - color->red) * alpha; - color->green = color->green + (fg->green - color->green) * alpha; - color->blue = color->blue + (fg->blue - color->blue) * alpha; - color->alpha = color->alpha + (fg->alpha - color->alpha) * alpha; -} /** * meta_frame_layout_new: (skip) @@ -116,124 +75,6 @@ meta_frame_layout_new (void) return layout; } -static gboolean -validate_border (const GtkBorder *border, - const char **bad) -{ - *bad = NULL; - - if (border->top < 0) - *bad = _("top"); - else if (border->bottom < 0) - *bad = _("bottom"); - else if (border->left < 0) - *bad = _("left"); - else if (border->right < 0) - *bad = _("right"); - - return *bad == NULL; -} - -/** - * validate_geometry_value: - * @val: The value to check - * @name: The name to use in the error message - * @error: (out): Set to an error if val was not initialised - * - * Ensures that the theme supplied a particular dimension. When a - * #MetaFrameLayout is created, all its integer fields are set to -1 - * by meta_frame_layout_new(). After an instance of this type - * should have been initialised, this function checks that - * a given field is not still at -1. It is never called directly, but - * rather via the %CHECK_GEOMETRY_VALUE and %CHECK_GEOMETRY_BORDER - * macros. - */ -static gboolean -validate_geometry_value (int val, - const char *name, - GError **error) -{ - if (val < 0) - { - g_set_error (error, META_THEME_ERROR, - META_THEME_ERROR_FRAME_GEOMETRY, - _("frame geometry does not specify \"%s\" dimension"), - name); - return FALSE; - } - else - return TRUE; -} - -static gboolean -validate_geometry_border (const GtkBorder *border, - const char *name, - GError **error) -{ - const char *bad; - - if (!validate_border (border, &bad)) - { - g_set_error (error, META_THEME_ERROR, - META_THEME_ERROR_FRAME_GEOMETRY, - _("frame geometry does not specify dimension \"%s\" for border \"%s\""), - bad, name); - return FALSE; - } - else - return TRUE; -} - -gboolean -meta_frame_layout_validate (const MetaFrameLayout *layout, - GError **error) -{ - g_return_val_if_fail (layout != NULL, FALSE); - -#define CHECK_GEOMETRY_VALUE(vname) if (!validate_geometry_value (layout->vname, #vname, error)) return FALSE - -#define CHECK_GEOMETRY_BORDER(bname) if (!validate_geometry_border (&layout->bname, #bname, error)) return FALSE - - CHECK_GEOMETRY_VALUE (left_width); - CHECK_GEOMETRY_VALUE (right_width); - CHECK_GEOMETRY_VALUE (bottom_height); - - CHECK_GEOMETRY_BORDER (title_border); - - CHECK_GEOMETRY_VALUE (title_vertical_pad); - - CHECK_GEOMETRY_VALUE (right_titlebar_edge); - CHECK_GEOMETRY_VALUE (left_titlebar_edge); - - switch (layout->button_sizing) - { - case META_BUTTON_SIZING_ASPECT: - if (layout->button_aspect < (0.1) || - layout->button_aspect > (15.0)) - { - g_set_error (error, META_THEME_ERROR, - META_THEME_ERROR_FRAME_GEOMETRY, - _("Button aspect ratio %g is not reasonable"), - layout->button_aspect); - return FALSE; - } - break; - case META_BUTTON_SIZING_FIXED: - CHECK_GEOMETRY_VALUE (button_width); - CHECK_GEOMETRY_VALUE (button_height); - break; - case META_BUTTON_SIZING_LAST: - g_set_error (error, META_THEME_ERROR, - META_THEME_ERROR_FRAME_GEOMETRY, - _("Frame geometry does not specify size of buttons")); - return FALSE; - } - - CHECK_GEOMETRY_BORDER (button_border); - - return TRUE; -} - MetaFrameLayout* meta_frame_layout_copy (const MetaFrameLayout *src) { @@ -327,40 +168,6 @@ meta_frame_layout_get_borders (const MetaFrameLayout *layout, borders->total.top = borders->invisible.top + borders->visible.top; } -static MetaButtonType -map_button_function_to_type (MetaButtonFunction function) -{ - switch (function) - { - case META_BUTTON_FUNCTION_SHADE: - return META_BUTTON_TYPE_SHADE; - case META_BUTTON_FUNCTION_ABOVE: - return META_BUTTON_TYPE_ABOVE; - case META_BUTTON_FUNCTION_STICK: - return META_BUTTON_TYPE_STICK; - case META_BUTTON_FUNCTION_UNSHADE: - return META_BUTTON_TYPE_UNSHADE; - case META_BUTTON_FUNCTION_UNABOVE: - return META_BUTTON_TYPE_UNABOVE; - case META_BUTTON_FUNCTION_UNSTICK: - return META_BUTTON_TYPE_UNSTICK; - case META_BUTTON_FUNCTION_MENU: - return META_BUTTON_TYPE_MENU; - case META_BUTTON_FUNCTION_APPMENU: - return META_BUTTON_TYPE_APPMENU; - case META_BUTTON_FUNCTION_MINIMIZE: - return META_BUTTON_TYPE_MINIMIZE; - case META_BUTTON_FUNCTION_MAXIMIZE: - return META_BUTTON_TYPE_MAXIMIZE; - case META_BUTTON_FUNCTION_CLOSE: - return META_BUTTON_TYPE_CLOSE; - case META_BUTTON_FUNCTION_LAST: - return META_BUTTON_TYPE_LAST; - } - - return META_BUTTON_TYPE_LAST; -} - static MetaButtonSpace* rect_for_function (MetaFrameGeometry *fgeom, MetaFrameFlags flags, @@ -415,7 +222,6 @@ rect_for_function (MetaFrameGeometry *fgeom, static gboolean strip_button (MetaButtonSpace *func_rects[MAX_BUTTONS_PER_CORNER], - GdkRectangle *bg_rects[MAX_BUTTONS_PER_CORNER], int *n_rects, MetaButtonSpace *to_strip) { @@ -432,13 +238,11 @@ strip_button (MetaButtonSpace *func_rects[MAX_BUTTONS_PER_CORNER], while (i < *n_rects) { func_rects[i] = func_rects[i+1]; - bg_rects[i] = bg_rects[i+1]; ++i; } func_rects[i] = NULL; - bg_rects[i] = NULL; return TRUE; } @@ -486,8 +290,6 @@ meta_frame_layout_sync_with_style (MetaFrameLayout *layout, meta_style_info_set_flags (style_info, flags); - layout->button_sizing = META_BUTTON_SIZING_FIXED; - style = style_info->styles[META_STYLE_ELEMENT_FRAME]; get_padding_and_border (style, &border); scale_border (&border, layout->title_scale); @@ -570,9 +372,7 @@ meta_frame_layout_calc_geometry (MetaFrameLayout *layout, */ MetaButtonSpace *left_func_rects[MAX_BUTTONS_PER_CORNER]; MetaButtonSpace *right_func_rects[MAX_BUTTONS_PER_CORNER]; - GdkRectangle *left_bg_rects[MAX_BUTTONS_PER_CORNER]; gboolean left_buttons_has_spacer[MAX_BUTTONS_PER_CORNER]; - GdkRectangle *right_bg_rects[MAX_BUTTONS_PER_CORNER]; gboolean right_buttons_has_spacer[MAX_BUTTONS_PER_CORNER]; MetaFrameBorders borders; @@ -599,24 +399,8 @@ meta_frame_layout_calc_geometry (MetaFrameLayout *layout, fgeom->left_titlebar_edge = layout->left_titlebar_edge; fgeom->right_titlebar_edge = layout->right_titlebar_edge; - /* gcc warnings */ - button_width = -1; - button_height = -1; - - switch (layout->button_sizing) - { - case META_BUTTON_SIZING_ASPECT: - button_height = borders.visible.top - layout->button_border.top - layout->button_border.bottom; - button_width = button_height / layout->button_aspect; - break; - case META_BUTTON_SIZING_FIXED: - button_width = layout->button_width; - button_height = layout->button_height; - break; - case META_BUTTON_SIZING_LAST: - g_assert_not_reached (); - break; - } + button_width = layout->button_width; + button_height = layout->button_height; /* FIXME all this code sort of pretends that duplicate buttons * with the same function are allowed, but that breaks the @@ -667,36 +451,6 @@ meta_frame_layout_calc_geometry (MetaFrameLayout *layout, } } - for (i = 0; i < MAX_BUTTONS_PER_CORNER; i++) - { - left_bg_rects[i] = NULL; - right_bg_rects[i] = NULL; - } - - for (i = 0; i < n_left; i++) - { - if (n_left == 1) - left_bg_rects[i] = &fgeom->left_single_background; - else if (i == 0) - left_bg_rects[i] = &fgeom->left_left_background; - else if (i == (n_left - 1)) - left_bg_rects[i] = &fgeom->left_right_background; - else - left_bg_rects[i] = &fgeom->left_middle_backgrounds[i - 1]; - } - - for (i = 0; i < n_right; i++) - { - if (n_right == 1) - right_bg_rects[i] = &fgeom->right_single_background; - else if (i == (n_right - 1)) - right_bg_rects[i] = &fgeom->right_right_background; - else if (i == 0) - right_bg_rects[i] = &fgeom->right_left_background; - else - right_bg_rects[i] = &fgeom->right_middle_backgrounds[i - 1]; - } - /* Be sure buttons fit */ while (n_left > 0 || n_right > 0) { @@ -734,53 +488,37 @@ meta_frame_layout_calc_geometry (MetaFrameLayout *layout, * above, stick, shade, min, max, close, then menu (menu is most useful); * prefer the default button locations. */ - if (strip_button (left_func_rects, left_bg_rects, - &n_left, &fgeom->above_rect)) + if (strip_button (left_func_rects, &n_left, &fgeom->above_rect)) continue; - else if (strip_button (right_func_rects, right_bg_rects, - &n_right, &fgeom->above_rect)) + else if (strip_button (right_func_rects, &n_right, &fgeom->above_rect)) continue; - else if (strip_button (left_func_rects, left_bg_rects, - &n_left, &fgeom->stick_rect)) + else if (strip_button (left_func_rects, &n_left, &fgeom->stick_rect)) continue; - else if (strip_button (right_func_rects, right_bg_rects, - &n_right, &fgeom->stick_rect)) + else if (strip_button (right_func_rects, &n_right, &fgeom->stick_rect)) continue; - else if (strip_button (left_func_rects, left_bg_rects, - &n_left, &fgeom->shade_rect)) + else if (strip_button (left_func_rects, &n_left, &fgeom->shade_rect)) continue; - else if (strip_button (right_func_rects, right_bg_rects, - &n_right, &fgeom->shade_rect)) + else if (strip_button (right_func_rects, &n_right, &fgeom->shade_rect)) continue; - else if (strip_button (left_func_rects, left_bg_rects, - &n_left, &fgeom->min_rect)) + else if (strip_button (left_func_rects, &n_left, &fgeom->min_rect)) continue; - else if (strip_button (right_func_rects, right_bg_rects, - &n_right, &fgeom->min_rect)) + else if (strip_button (right_func_rects, &n_right, &fgeom->min_rect)) continue; - else if (strip_button (left_func_rects, left_bg_rects, - &n_left, &fgeom->max_rect)) + else if (strip_button (left_func_rects, &n_left, &fgeom->max_rect)) continue; - else if (strip_button (right_func_rects, right_bg_rects, - &n_right, &fgeom->max_rect)) + else if (strip_button (right_func_rects, &n_right, &fgeom->max_rect)) continue; - else if (strip_button (left_func_rects, left_bg_rects, - &n_left, &fgeom->close_rect)) + else if (strip_button (left_func_rects, &n_left, &fgeom->close_rect)) continue; - else if (strip_button (right_func_rects, right_bg_rects, - &n_right, &fgeom->close_rect)) + else if (strip_button (right_func_rects, &n_right, &fgeom->close_rect)) continue; - else if (strip_button (right_func_rects, right_bg_rects, - &n_right, &fgeom->menu_rect)) + else if (strip_button (right_func_rects, &n_right, &fgeom->menu_rect)) continue; - else if (strip_button (left_func_rects, left_bg_rects, - &n_left, &fgeom->menu_rect)) + else if (strip_button (left_func_rects, &n_left, &fgeom->menu_rect)) continue; - else if (strip_button (right_func_rects, right_bg_rects, - &n_right, &fgeom->appmenu_rect)) + else if (strip_button (right_func_rects, &n_right, &fgeom->appmenu_rect)) continue; - else if (strip_button (left_func_rects, left_bg_rects, - &n_left, &fgeom->appmenu_rect)) + else if (strip_button (left_func_rects, &n_left, &fgeom->appmenu_rect)) continue; else { @@ -834,8 +572,6 @@ meta_frame_layout_calc_geometry (MetaFrameLayout *layout, else g_memmove (&(rect->clickable), &(rect->visible), sizeof(rect->clickable)); - *(right_bg_rects[i]) = rect->visible; - x = rect->visible.x; if (i > 0) @@ -886,8 +622,6 @@ meta_frame_layout_calc_geometry (MetaFrameLayout *layout, x += layout->titlebar_spacing; if (left_buttons_has_spacer[i]) x += (button_width * 0.75); - - *(left_bg_rects[i]) = rect->visible; } /* We always fill as much vertical space as possible with title rect, @@ -927,2937 +661,6 @@ meta_frame_layout_calc_geometry (MetaFrameLayout *layout, fgeom->bottom_right_corner_rounded_radius = layout->bottom_right_corner_rounded_radius; } -/** - * meta_gradient_spec_new: (skip) - * - */ -MetaGradientSpec* -meta_gradient_spec_new (MetaGradientType type) -{ - MetaGradientSpec *spec; - - spec = g_new (MetaGradientSpec, 1); - - spec->type = type; - spec->color_specs = NULL; - - return spec; -} - -static void -free_color_spec (gpointer spec, gpointer user_data) -{ - meta_color_spec_free (spec); -} - -void -meta_gradient_spec_free (MetaGradientSpec *spec) -{ - g_return_if_fail (spec != NULL); - - g_slist_foreach (spec->color_specs, free_color_spec, NULL); - g_slist_free (spec->color_specs); - - DEBUG_FILL_STRUCT (spec); - g_free (spec); -} - -static cairo_pattern_t * -meta_gradient_spec_pattern (const MetaGradientSpec *spec, - const MetaAlphaGradientSpec *alpha_spec, - GtkStyleContext *style) -{ - cairo_pattern_t *pattern; - int n_colors; - GSList *l; - int i; - - if (spec->type == META_GRADIENT_HORIZONTAL) - pattern = cairo_pattern_create_linear (0, 0, 1, 0); - if (spec->type == META_GRADIENT_VERTICAL) - pattern = cairo_pattern_create_linear (0, 0, 0, 1); - else if (spec->type == META_GRADIENT_DIAGONAL) - pattern = cairo_pattern_create_linear (0, 0, 1, 1); - else - g_assert_not_reached (); - - n_colors = g_slist_length (spec->color_specs); - - if (n_colors == 0) - return NULL; - - if (alpha_spec != NULL) - g_assert (n_colors == alpha_spec->n_alphas); - - i = 0; - for (l = spec->color_specs; l != NULL; l = l->next) - { - MetaColorSpec *color_spec = l->data; - GdkRGBA color; - - meta_color_spec_render (color_spec, style, &color); - - if (alpha_spec != NULL) - color.alpha *= alpha_spec->alphas[i]; - - cairo_pattern_add_color_stop_rgba (pattern, - i / (float) n_colors, - color.red, - color.green, - color.blue, - color.alpha); - ++i; - } - - return pattern; -} - -void -meta_gradient_spec_render (const MetaGradientSpec *spec, - const MetaAlphaGradientSpec *alpha_spec, - cairo_t *cr, - GtkStyleContext *style, - int x, - int y, - int width, - int height) -{ - cairo_pattern_t *pattern; - - cairo_save (cr); - - pattern = meta_gradient_spec_pattern (spec, alpha_spec, style); - if (pattern == NULL) - return; - - cairo_rectangle (cr, x, y, width, height); - - cairo_translate (cr, x, y); - cairo_scale (cr, width, height); - - cairo_set_source (cr, pattern); - cairo_fill (cr); - cairo_pattern_destroy (pattern); - - cairo_restore (cr); -} - -gboolean -meta_gradient_spec_validate (MetaGradientSpec *spec, - GError **error) -{ - g_return_val_if_fail (spec != NULL, FALSE); - - if (g_slist_length (spec->color_specs) < 2) - { - g_set_error (error, META_THEME_ERROR, - META_THEME_ERROR_FAILED, - _("Gradients should have at least two colors")); - return FALSE; - } - - return TRUE; -} - -/** - * meta_alpha_gradient_spec_new: (skip) - * - */ -MetaAlphaGradientSpec* -meta_alpha_gradient_spec_new (MetaGradientType type, - int n_alphas) -{ - MetaAlphaGradientSpec *spec; - - g_return_val_if_fail (n_alphas > 0, NULL); - - spec = g_new0 (MetaAlphaGradientSpec, 1); - - spec->type = type; - spec->alphas = g_new0 (unsigned char, n_alphas); - spec->n_alphas = n_alphas; - - return spec; -} - -void -meta_alpha_gradient_spec_free (MetaAlphaGradientSpec *spec) -{ - g_return_if_fail (spec != NULL); - - g_free (spec->alphas); - g_free (spec); -} - -/** - * meta_color_spec_new: (skip) - * - */ -MetaColorSpec* -meta_color_spec_new (MetaColorSpecType type) -{ - MetaColorSpec *spec; - MetaColorSpec dummy; - int size; - - size = G_STRUCT_OFFSET (MetaColorSpec, data); - - switch (type) - { - case META_COLOR_SPEC_BASIC: - size += sizeof (dummy.data.basic); - break; - - case META_COLOR_SPEC_GTK: - size += sizeof (dummy.data.gtk); - break; - - case META_COLOR_SPEC_GTK_CUSTOM: - size += sizeof (dummy.data.gtkcustom); - break; - - case META_COLOR_SPEC_BLEND: - size += sizeof (dummy.data.blend); - break; - - case META_COLOR_SPEC_SHADE: - size += sizeof (dummy.data.shade); - break; - } - - spec = g_malloc0 (size); - - spec->type = type; - - return spec; -} - -void -meta_color_spec_free (MetaColorSpec *spec) -{ - g_return_if_fail (spec != NULL); - - switch (spec->type) - { - case META_COLOR_SPEC_BASIC: - DEBUG_FILL_STRUCT (&spec->data.basic); - break; - - case META_COLOR_SPEC_GTK: - DEBUG_FILL_STRUCT (&spec->data.gtk); - break; - - case META_COLOR_SPEC_GTK_CUSTOM: - g_free (spec->data.gtkcustom.color_name); - if (spec->data.gtkcustom.fallback) - meta_color_spec_free (spec->data.gtkcustom.fallback); - DEBUG_FILL_STRUCT (&spec->data.gtkcustom); - break; - - case META_COLOR_SPEC_BLEND: - if (spec->data.blend.foreground) - meta_color_spec_free (spec->data.blend.foreground); - if (spec->data.blend.background) - meta_color_spec_free (spec->data.blend.background); - DEBUG_FILL_STRUCT (&spec->data.blend); - break; - - case META_COLOR_SPEC_SHADE: - if (spec->data.shade.base) - meta_color_spec_free (spec->data.shade.base); - DEBUG_FILL_STRUCT (&spec->data.shade); - break; - } - - g_free (spec); -} - -/** - * meta_color_spec_new_from_string: (skip) - * - */ -MetaColorSpec* -meta_color_spec_new_from_string (const char *str, - GError **err) -{ - MetaColorSpec *spec; - - spec = NULL; - - if (strncmp (str, "gtk:custom", 10) == 0) - { - const char *color_name_start, *fallback_str_start, *end; - char *color_name; - MetaColorSpec *fallback = NULL; - static gboolean debug, debug_set = FALSE; - - if (!debug_set) - { - debug = g_getenv ("MUTTER_DISABLE_FALLBACK_COLOR") != NULL; - debug_set = TRUE; - } - - if (str[10] != '(') - { - g_set_error (err, META_THEME_ERROR, - META_THEME_ERROR_FAILED, - _("GTK custom color specification must have color name and fallback in parentheses, e.g. gtk:custom(foo,bar); could not parse \"%s\""), - str); - return NULL; - } - - color_name_start = str + 11; - - fallback_str_start = color_name_start; - while (*fallback_str_start && *fallback_str_start != ',') - { - if (!(g_ascii_isalnum (*fallback_str_start) - || *fallback_str_start == '-' - || *fallback_str_start == '_')) - { - g_set_error (err, META_THEME_ERROR, - META_THEME_ERROR_FAILED, - _("Invalid character '%c' in color_name parameter of gtk:custom, only A-Za-z0-9-_ are valid"), - *fallback_str_start); - return NULL; - } - fallback_str_start++; - } - fallback_str_start++; - - end = strrchr (str, ')'); - - if (color_name_start == NULL || fallback_str_start == NULL || end == NULL) - { - g_set_error (err, META_THEME_ERROR, - META_THEME_ERROR_FAILED, - _("Gtk:custom format is \"gtk:custom(color_name,fallback)\", \"%s\" does not fit the format"), - str); - return NULL; - } - - if (!debug) - { - char *fallback_str; - fallback_str = g_strndup (fallback_str_start, - end - fallback_str_start); - fallback = meta_color_spec_new_from_string (fallback_str, err); - g_free (fallback_str); - } - else - { - fallback = meta_color_spec_new_from_string ("pink", err); - } - - if (fallback == NULL) - return NULL; - - color_name = g_strndup (color_name_start, - fallback_str_start - color_name_start - 1); - - spec = meta_color_spec_new (META_COLOR_SPEC_GTK_CUSTOM); - spec->data.gtkcustom.color_name = color_name; - spec->data.gtkcustom.fallback = fallback; - } - else if (strncmp (str, "gtk:", 4) == 0) - { - /* GTK color */ - const char *bracket; - const char *end_bracket; - char *tmp; - GtkStateFlags state; - MetaGtkColorComponent component; - - bracket = str; - while (*bracket && *bracket != '[') - ++bracket; - - if (*bracket == '\0') - { - g_set_error (err, META_THEME_ERROR, - META_THEME_ERROR_FAILED, - _("GTK color specification must have the state in brackets, e.g. gtk:fg[NORMAL] where NORMAL is the state; could not parse \"%s\""), - str); - return NULL; - } - - end_bracket = bracket; - ++end_bracket; - while (*end_bracket && *end_bracket != ']') - ++end_bracket; - - if (*end_bracket == '\0') - { - g_set_error (err, META_THEME_ERROR, - META_THEME_ERROR_FAILED, - _("GTK color specification must have a close bracket after the state, e.g. gtk:fg[NORMAL] where NORMAL is the state; could not parse \"%s\""), - str); - return NULL; - } - - tmp = g_strndup (bracket + 1, end_bracket - bracket - 1); - state = meta_gtk_state_from_string (tmp); - if (((int) state) == -1) - { - g_set_error (err, META_THEME_ERROR, - META_THEME_ERROR_FAILED, - _("Did not understand state \"%s\" in color specification"), - tmp); - g_free (tmp); - return NULL; - } - g_free (tmp); - - tmp = g_strndup (str + 4, bracket - str - 4); - component = meta_color_component_from_string (tmp); - if (component == META_GTK_COLOR_LAST) - { - g_set_error (err, META_THEME_ERROR, - META_THEME_ERROR_FAILED, - _("Did not understand color component \"%s\" in color specification"), - tmp); - g_free (tmp); - return NULL; - } - g_free (tmp); - - spec = meta_color_spec_new (META_COLOR_SPEC_GTK); - spec->data.gtk.state = state; - spec->data.gtk.component = component; - g_assert (spec->data.gtk.component < META_GTK_COLOR_LAST); - } - else if (strncmp (str, "blend/", 6) == 0) - { - /* blend */ - char **split; - double alpha; - char *end; - MetaColorSpec *fg; - MetaColorSpec *bg; - - split = g_strsplit (str, "/", 4); - - if (split[0] == NULL || split[1] == NULL || - split[2] == NULL || split[3] == NULL) - { - g_set_error (err, META_THEME_ERROR, - META_THEME_ERROR_FAILED, - _("Blend format is \"blend/bg_color/fg_color/alpha\", \"%s\" does not fit the format"), - str); - g_strfreev (split); - return NULL; - } - - alpha = g_ascii_strtod (split[3], &end); - if (end == split[3]) - { - g_set_error (err, META_THEME_ERROR, - META_THEME_ERROR_FAILED, - _("Could not parse alpha value \"%s\" in blended color"), - split[3]); - g_strfreev (split); - return NULL; - } - - if (alpha < (0.0 - 1e6) || alpha > (1.0 + 1e6)) - { - g_set_error (err, META_THEME_ERROR, - META_THEME_ERROR_FAILED, - _("Alpha value \"%s\" in blended color is not between 0.0 and 1.0"), - split[3]); - g_strfreev (split); - return NULL; - } - - fg = NULL; - bg = NULL; - - bg = meta_color_spec_new_from_string (split[1], err); - if (bg == NULL) - { - g_strfreev (split); - return NULL; - } - - fg = meta_color_spec_new_from_string (split[2], err); - if (fg == NULL) - { - meta_color_spec_free (bg); - g_strfreev (split); - return NULL; - } - - g_strfreev (split); - - spec = meta_color_spec_new (META_COLOR_SPEC_BLEND); - spec->data.blend.alpha = alpha; - spec->data.blend.background = bg; - spec->data.blend.foreground = fg; - } - else if (strncmp (str, "shade/", 6) == 0) - { - /* shade */ - char **split; - double factor; - char *end; - MetaColorSpec *base; - - split = g_strsplit (str, "/", 3); - - if (split[0] == NULL || split[1] == NULL || - split[2] == NULL) - { - g_set_error (err, META_THEME_ERROR, - META_THEME_ERROR_FAILED, - _("Shade format is \"shade/base_color/factor\", \"%s\" does not fit the format"), - str); - g_strfreev (split); - return NULL; - } - - factor = g_ascii_strtod (split[2], &end); - if (end == split[2]) - { - g_set_error (err, META_THEME_ERROR, - META_THEME_ERROR_FAILED, - _("Could not parse shade factor \"%s\" in shaded color"), - split[2]); - g_strfreev (split); - return NULL; - } - - if (factor < (0.0 - 1e6)) - { - g_set_error (err, META_THEME_ERROR, - META_THEME_ERROR_FAILED, - _("Shade factor \"%s\" in shaded color is negative"), - split[2]); - g_strfreev (split); - return NULL; - } - - base = NULL; - - base = meta_color_spec_new_from_string (split[1], err); - if (base == NULL) - { - g_strfreev (split); - return NULL; - } - - g_strfreev (split); - - spec = meta_color_spec_new (META_COLOR_SPEC_SHADE); - spec->data.shade.factor = factor; - spec->data.shade.base = base; - } - else - { - spec = meta_color_spec_new (META_COLOR_SPEC_BASIC); - - if (!gdk_rgba_parse (&spec->data.basic.color, str)) - { - g_set_error (err, META_THEME_ERROR, - META_THEME_ERROR_FAILED, - _("Could not parse color \"%s\""), - str); - meta_color_spec_free (spec); - return NULL; - } - } - - g_assert (spec); - - return spec; -} - -/** - * meta_color_spec_new_gtk: (skip) - * - */ -MetaColorSpec* -meta_color_spec_new_gtk (MetaGtkColorComponent component, - GtkStateFlags state) -{ - MetaColorSpec *spec; - - spec = meta_color_spec_new (META_COLOR_SPEC_GTK); - - spec->data.gtk.component = component; - spec->data.gtk.state = state; - - return spec; -} - -/* Based on set_color() in gtkstyle.c */ -#define LIGHTNESS_MULT 1.3 -#define DARKNESS_MULT 0.7 -void -meta_gtk_style_get_light_color (GtkStyleContext *style, - GtkStateFlags state, - GdkRGBA *color) -{ - gtk_style_context_get_background_color (style, state, color); - gtk_style_shade (color, color, LIGHTNESS_MULT); -} - -void -meta_gtk_style_get_dark_color (GtkStyleContext *style, - GtkStateFlags state, - GdkRGBA *color) -{ - gtk_style_context_get_background_color (style, state, color); - gtk_style_shade (color, color, DARKNESS_MULT); -} - -static void -meta_set_color_from_style (GdkRGBA *color, - GtkStyleContext *context, - GtkStateFlags state, - MetaGtkColorComponent component) -{ - GdkRGBA other; - - switch (component) - { - case META_GTK_COLOR_BG: - case META_GTK_COLOR_BASE: - gtk_style_context_get_background_color (context, state, color); - break; - case META_GTK_COLOR_FG: - case META_GTK_COLOR_TEXT: - gtk_style_context_get_color (context, state, color); - break; - case META_GTK_COLOR_TEXT_AA: - gtk_style_context_get_color (context, state, color); - meta_set_color_from_style (&other, context, state, META_GTK_COLOR_BASE); - - color->red = (color->red + other.red) / 2; - color->green = (color->green + other.green) / 2; - color->blue = (color->blue + other.blue) / 2; - break; - case META_GTK_COLOR_MID: - meta_gtk_style_get_light_color (context, state, color); - meta_gtk_style_get_dark_color (context, state, &other); - - color->red = (color->red + other.red) / 2; - color->green = (color->green + other.green) / 2; - color->blue = (color->blue + other.blue) / 2; - break; - case META_GTK_COLOR_LIGHT: - meta_gtk_style_get_light_color (context, state, color); - break; - case META_GTK_COLOR_DARK: - meta_gtk_style_get_dark_color (context, state, color); - break; - case META_GTK_COLOR_LAST: - g_assert_not_reached (); - break; - } -} - -static void -meta_set_custom_color_from_style (GdkRGBA *color, - GtkStyleContext *context, - char *color_name, - MetaColorSpec *fallback) -{ - if (!gtk_style_context_lookup_color (context, color_name, color)) - meta_color_spec_render (fallback, context, color); -} - -void -meta_color_spec_render (MetaColorSpec *spec, - GtkStyleContext *context, - GdkRGBA *color) -{ - g_return_if_fail (spec != NULL); - g_return_if_fail (GTK_IS_STYLE_CONTEXT (context)); - - switch (spec->type) - { - case META_COLOR_SPEC_BASIC: - *color = spec->data.basic.color; - break; - - case META_COLOR_SPEC_GTK: - meta_set_color_from_style (color, - context, - spec->data.gtk.state, - spec->data.gtk.component); - break; - - case META_COLOR_SPEC_GTK_CUSTOM: - meta_set_custom_color_from_style (color, - context, - spec->data.gtkcustom.color_name, - spec->data.gtkcustom.fallback); - break; - - case META_COLOR_SPEC_BLEND: - { - GdkRGBA bg, fg; - - meta_color_spec_render (spec->data.blend.background, context, &bg); - meta_color_spec_render (spec->data.blend.foreground, context, &fg); - - color_composite (&bg, &fg, spec->data.blend.alpha, - &spec->data.blend.color); - - *color = spec->data.blend.color; - } - break; - - case META_COLOR_SPEC_SHADE: - { - meta_color_spec_render (spec->data.shade.base, context, - &spec->data.shade.color); - - gtk_style_shade (&spec->data.shade.color, - &spec->data.shade.color, spec->data.shade.factor); - - *color = spec->data.shade.color; - } - break; - } -} - -/** - * op_name: - * @type: an operation, such as addition - * - * Represents an operation as a string. - * - * Returns: a string, such as "+" - */ -static const char* -op_name (PosOperatorType type) -{ - switch (type) - { - case POS_OP_ADD: - return "+"; - case POS_OP_SUBTRACT: - return "-"; - case POS_OP_MULTIPLY: - return "*"; - case POS_OP_DIVIDE: - return "/"; - case POS_OP_MOD: - return "%"; - case POS_OP_MAX: - return "`max`"; - case POS_OP_MIN: - return "`min`"; - case POS_OP_NONE: - break; - } - - return "<unknown>"; -} - -/** - * op_from_string: - * @p: a pointer into a string representing an operation; part of an - * expression somewhere, so not null-terminated - * @len: set to the length of the string found. Set to 0 if none is. - * - * Parses a string and returns an operation. - * - * Returns: the operation found. If none was, returns %POS_OP_NONE. - */ -static PosOperatorType -op_from_string (const char *p, - int *len) -{ - *len = 0; - - switch (*p) - { - case '+': - *len = 1; - return POS_OP_ADD; - case '-': - *len = 1; - return POS_OP_SUBTRACT; - case '*': - *len = 1; - return POS_OP_MULTIPLY; - case '/': - *len = 1; - return POS_OP_DIVIDE; - case '%': - *len = 1; - return POS_OP_MOD; - - case '`': - if (strncmp (p, "`max`", 5) == 0) - { - *len = 5; - return POS_OP_MAX; - } - else if (strncmp (p, "`min`", 5) == 0) - { - *len = 5; - return POS_OP_MIN; - } - } - - return POS_OP_NONE; -} - -/** - * free_tokens: - * @tokens: an array of tokens to be freed - * @n_tokens: how many tokens are in the array. - * - * Frees an array of tokens. All the tokens and their associated memory - * will be freed. - */ -static void -free_tokens (PosToken *tokens, - int n_tokens) -{ - int i; - - /* n_tokens can be 0 since tokens may have been allocated more than - * it was initialized - */ - - for (i = 0; i < n_tokens; i++) - if (tokens[i].type == POS_TOKEN_VARIABLE) - g_free (tokens[i].d.v.name); - - g_free (tokens); -} - -/** - * parse_number: - * @p: a pointer into a string representing an operation; part of an - * expression somewhere, so not null-terminated - * @end_return: set to a pointer to the end of the number found; but - * not updated if no number was found at all - * @next: set to either an integer or a float token - * @err: (out): set to the problem if there was a problem - * - * Tokenises a number in an expression. - * - * FIXME: The "while (*start)..." part: what's wrong with strchr-ish things? - * FIXME: The name is wrong: it doesn't parse anything. - * - * Returns: %TRUE if a valid number was found, FALSE otherwise (and "err" will - * have been set) - */ -static gboolean -parse_number (const char *p, - const char **end_return, - PosToken *next, - GError **err) -{ - const char *start = p; - char *end; - gboolean is_float; - char *num_str; - - while (*p && (*p == '.' || g_ascii_isdigit (*p))) - ++p; - - if (p == start) - { - char buf[7] = { '\0' }; - buf[g_unichar_to_utf8 (g_utf8_get_char (p), buf)] = '\0'; - g_set_error (err, META_THEME_ERROR, - META_THEME_ERROR_BAD_CHARACTER, - _("Coordinate expression contains character '%s' which is not allowed"), - buf); - return FALSE; - } - - *end_return = p; - - /* we need this to exclude floats like "1e6" */ - num_str = g_strndup (start, p - start); - start = num_str; - is_float = FALSE; - while (*start) - { - if (*start == '.') - is_float = TRUE; - ++start; - } - - if (is_float) - { - next->type = POS_TOKEN_DOUBLE; - next->d.d.val = g_ascii_strtod (num_str, &end); - - if (end == num_str) - { - g_set_error (err, META_THEME_ERROR, - META_THEME_ERROR_FAILED, - _("Coordinate expression contains floating point number '%s' which could not be parsed"), - num_str); - g_free (num_str); - return FALSE; - } - } - else - { - next->type = POS_TOKEN_INT; - next->d.i.val = strtol (num_str, &end, 10); - if (end == num_str) - { - g_set_error (err, META_THEME_ERROR, - META_THEME_ERROR_FAILED, - _("Coordinate expression contains integer '%s' which could not be parsed"), - num_str); - g_free (num_str); - return FALSE; - } - } - - g_free (num_str); - - g_assert (next->type == POS_TOKEN_INT || next->type == POS_TOKEN_DOUBLE); - - return TRUE; -} - -/* - * Whether a variable can validly appear as part of the name of a variable. - */ -#define IS_VARIABLE_CHAR(c) (g_ascii_isalpha ((c)) || (c) == '_') - -#if 0 -static void -debug_print_tokens (PosToken *tokens, - int n_tokens) -{ - int i; - - for (i = 0; i < n_tokens; i++) - { - PosToken *t = &tokens[i]; - - g_print (" "); - - switch (t->type) - { - case POS_TOKEN_INT: - g_print ("\"%d\"", t->d.i.val); - break; - case POS_TOKEN_DOUBLE: - g_print ("\"%g\"", t->d.d.val); - break; - case POS_TOKEN_OPEN_PAREN: - g_print ("\"(\""); - break; - case POS_TOKEN_CLOSE_PAREN: - g_print ("\")\""); - break; - case POS_TOKEN_VARIABLE: - g_print ("\"%s\"", t->d.v.name); - break; - case POS_TOKEN_OPERATOR: - g_print ("\"%s\"", op_name (t->d.o.op)); - break; - } - } - - g_print ("\n"); -} -#endif - -/** - * pos_tokenize: - * @expr: The expression - * @tokens_p: (out): The resulting tokens - * @n_tokens_p: (out): The number of resulting tokens - * @err: (out): set to the problem if there was a problem - - * Tokenises an expression. - * - * Returns: %TRUE if the expression was successfully tokenised; %FALSE otherwise. - */ -static gboolean -pos_tokenize (const char *expr, - PosToken **tokens_p, - int *n_tokens_p, - GError **err) -{ - PosToken *tokens; - int n_tokens; - int allocated; - const char *p; - - *tokens_p = NULL; - *n_tokens_p = 0; - - allocated = 3; - n_tokens = 0; - tokens = g_new (PosToken, allocated); - - p = expr; - while (*p) - { - PosToken *next; - int len; - - if (n_tokens == allocated) - { - allocated *= 2; - tokens = g_renew (PosToken, tokens, allocated); - } - - next = &tokens[n_tokens]; - - switch (*p) - { - case '*': - case '/': - case '+': - case '-': /* negative numbers aren't allowed so this is easy */ - case '%': - case '`': - next->type = POS_TOKEN_OPERATOR; - next->d.o.op = op_from_string (p, &len); - if (next->d.o.op != POS_OP_NONE) - { - ++n_tokens; - p = p + (len - 1); /* -1 since we ++p later */ - } - else - { - g_set_error (err, META_THEME_ERROR, - META_THEME_ERROR_FAILED, - _("Coordinate expression contained unknown operator at the start of this text: \"%s\""), - p); - - goto error; - } - break; - - case '(': - next->type = POS_TOKEN_OPEN_PAREN; - ++n_tokens; - break; - - case ')': - next->type = POS_TOKEN_CLOSE_PAREN; - ++n_tokens; - break; - - case ' ': - case '\t': - case '\n': - break; - - default: - if (IS_VARIABLE_CHAR (*p)) - { - /* Assume variable */ - const char *start = p; - while (*p && IS_VARIABLE_CHAR (*p)) - ++p; - g_assert (p != start); - next->type = POS_TOKEN_VARIABLE; - next->d.v.name = g_strndup (start, p - start); - ++n_tokens; - --p; /* since we ++p again at the end of while loop */ - } - else - { - /* Assume number */ - const char *end; - - if (!parse_number (p, &end, next, err)) - goto error; - - ++n_tokens; - p = end - 1; /* -1 since we ++p again at the end of while loop */ - } - - break; - } - - ++p; - } - - if (n_tokens == 0) - { - g_set_error (err, META_THEME_ERROR, - META_THEME_ERROR_FAILED, - _("Coordinate expression was empty or not understood")); - - goto error; - } - - *tokens_p = tokens; - *n_tokens_p = n_tokens; - - return TRUE; - - error: - g_assert (err == NULL || *err != NULL); - - free_tokens (tokens, n_tokens); - return FALSE; -} - -/** - * PosExprType: - * - * The type of a PosExpr: either integer, double, or an operation. - */ -typedef enum -{ - POS_EXPR_INT, - POS_EXPR_DOUBLE, - POS_EXPR_OPERATOR -} PosExprType; - -/** - * PosExpr: - * - * Type and value of an expression in a parsed sequence. We don't - * keep expressions in a tree; if this is of type %POS_EXPR_OPERATOR, - * the arguments of the operator will be in the array positions - * immediately preceding and following this operator; they cannot - * themselves be operators. - * - * FIXME: operator is #gchar; it should really be of #PosOperatorType. - */ -typedef struct -{ - PosExprType type; - union - { - double double_val; - int int_val; - char operator; - } d; -} PosExpr; - -#if 0 -static void -debug_print_exprs (PosExpr *exprs, - int n_exprs) -{ - int i; - - for (i = 0; i < n_exprs; i++) - { - switch (exprs[i].type) - { - case POS_EXPR_INT: - g_print (" %d", exprs[i].d.int_val); - break; - case POS_EXPR_DOUBLE: - g_print (" %g", exprs[i].d.double_val); - break; - case POS_EXPR_OPERATOR: - g_print (" %s", op_name (exprs[i].d.operator)); - break; - } - } - g_print ("\n"); -} -#endif - -static gboolean -do_operation (PosExpr *a, - PosExpr *b, - PosOperatorType op, - GError **err) -{ - /* Promote types to double if required */ - if (a->type == POS_EXPR_DOUBLE || - b->type == POS_EXPR_DOUBLE) - { - if (a->type != POS_EXPR_DOUBLE) - { - a->type = POS_EXPR_DOUBLE; - a->d.double_val = a->d.int_val; - } - if (b->type != POS_EXPR_DOUBLE) - { - b->type = POS_EXPR_DOUBLE; - b->d.double_val = b->d.int_val; - } - } - - g_assert (a->type == b->type); - - if (a->type == POS_EXPR_INT) - { - switch (op) - { - case POS_OP_MULTIPLY: - a->d.int_val = a->d.int_val * b->d.int_val; - break; - case POS_OP_DIVIDE: - if (b->d.int_val == 0) - { - g_set_error (err, META_THEME_ERROR, - META_THEME_ERROR_DIVIDE_BY_ZERO, - _("Coordinate expression results in division by zero")); - return FALSE; - } - a->d.int_val = a->d.int_val / b->d.int_val; - break; - case POS_OP_MOD: - if (b->d.int_val == 0) - { - g_set_error (err, META_THEME_ERROR, - META_THEME_ERROR_DIVIDE_BY_ZERO, - _("Coordinate expression results in division by zero")); - return FALSE; - } - a->d.int_val = a->d.int_val % b->d.int_val; - break; - case POS_OP_ADD: - a->d.int_val = a->d.int_val + b->d.int_val; - break; - case POS_OP_SUBTRACT: - a->d.int_val = a->d.int_val - b->d.int_val; - break; - case POS_OP_MAX: - a->d.int_val = MAX (a->d.int_val, b->d.int_val); - break; - case POS_OP_MIN: - a->d.int_val = MIN (a->d.int_val, b->d.int_val); - break; - case POS_OP_NONE: - g_assert_not_reached (); - break; - } - } - else if (a->type == POS_EXPR_DOUBLE) - { - switch (op) - { - case POS_OP_MULTIPLY: - a->d.double_val = a->d.double_val * b->d.double_val; - break; - case POS_OP_DIVIDE: - if (b->d.double_val == 0.0) - { - g_set_error (err, META_THEME_ERROR, - META_THEME_ERROR_DIVIDE_BY_ZERO, - _("Coordinate expression results in division by zero")); - return FALSE; - } - a->d.double_val = a->d.double_val / b->d.double_val; - break; - case POS_OP_MOD: - g_set_error (err, META_THEME_ERROR, - META_THEME_ERROR_MOD_ON_FLOAT, - _("Coordinate expression tries to use mod operator on a floating-point number")); - return FALSE; - case POS_OP_ADD: - a->d.double_val = a->d.double_val + b->d.double_val; - break; - case POS_OP_SUBTRACT: - a->d.double_val = a->d.double_val - b->d.double_val; - break; - case POS_OP_MAX: - a->d.double_val = MAX (a->d.double_val, b->d.double_val); - break; - case POS_OP_MIN: - a->d.double_val = MIN (a->d.double_val, b->d.double_val); - break; - case POS_OP_NONE: - g_assert_not_reached (); - break; - } - } - else - g_assert_not_reached (); - - return TRUE; -} - -static gboolean -do_operations (PosExpr *exprs, - int *n_exprs, - int precedence, - GError **err) -{ - int i; - -#if 0 - g_print ("Doing prec %d ops on %d exprs\n", precedence, *n_exprs); - debug_print_exprs (exprs, *n_exprs); -#endif - - i = 1; - while (i < *n_exprs) - { - gboolean compress; - - /* exprs[i-1] first operand - * exprs[i] operator - * exprs[i+1] second operand - * - * we replace first operand with result of mul/div/mod, - * or skip over operator and second operand if we have - * an add/subtract - */ - - if (exprs[i-1].type == POS_EXPR_OPERATOR) - { - g_set_error (err, META_THEME_ERROR, - META_THEME_ERROR_FAILED, - _("Coordinate expression has an operator \"%s\" where an operand was expected"), - op_name (exprs[i-1].d.operator)); - return FALSE; - } - - if (exprs[i].type != POS_EXPR_OPERATOR) - { - g_set_error (err, META_THEME_ERROR, - META_THEME_ERROR_FAILED, - _("Coordinate expression had an operand where an operator was expected")); - return FALSE; - } - - if (i == (*n_exprs - 1)) - { - g_set_error (err, META_THEME_ERROR, - META_THEME_ERROR_FAILED, - _("Coordinate expression ended with an operator instead of an operand")); - return FALSE; - } - - g_assert ((i+1) < *n_exprs); - - if (exprs[i+1].type == POS_EXPR_OPERATOR) - { - g_set_error (err, META_THEME_ERROR, - META_THEME_ERROR_FAILED, - _("Coordinate expression has operator \"%c\" following operator \"%c\" with no operand in between"), - exprs[i+1].d.operator, - exprs[i].d.operator); - return FALSE; - } - - compress = FALSE; - - switch (precedence) - { - case 2: - switch (exprs[i].d.operator) - { - case POS_OP_DIVIDE: - case POS_OP_MOD: - case POS_OP_MULTIPLY: - compress = TRUE; - if (!do_operation (&exprs[i-1], &exprs[i+1], - exprs[i].d.operator, - err)) - return FALSE; - break; - } - break; - case 1: - switch (exprs[i].d.operator) - { - case POS_OP_ADD: - case POS_OP_SUBTRACT: - compress = TRUE; - if (!do_operation (&exprs[i-1], &exprs[i+1], - exprs[i].d.operator, - err)) - return FALSE; - break; - } - break; - /* I have no rationale at all for making these low-precedence */ - case 0: - switch (exprs[i].d.operator) - { - case POS_OP_MAX: - case POS_OP_MIN: - compress = TRUE; - if (!do_operation (&exprs[i-1], &exprs[i+1], - exprs[i].d.operator, - err)) - return FALSE; - break; - } - break; - } - - if (compress) - { - /* exprs[i-1] first operand (now result) - * exprs[i] operator - * exprs[i+1] second operand - * exprs[i+2] new operator - * - * we move new operator just after first operand - */ - if ((i+2) < *n_exprs) - { - g_memmove (&exprs[i], &exprs[i+2], - sizeof (PosExpr) * (*n_exprs - i - 2)); - } - - *n_exprs -= 2; - } - else - { - /* Skip operator and next operand */ - i += 2; - } - } - - return TRUE; -} - -/** - * pos_eval_get_variable: - * @t: The token representing a variable - * @result: (out): The value of that variable; not set if the token did - * not represent a known variable - * @env: The environment within which t should be evaluated - * @err: (out): set to the problem if there was a problem - * - * There is a predefined set of variables which can appear in an expression. - * Here we take a token representing a variable, and return the current value - * of that variable in a particular environment. - * (The value is always an integer.) - * - * There are supposedly some circumstances in which this function can be - * called from outside Metacity, in which case env->theme will be %NULL, and - * therefore we can't use it to find out quark values, so we do the comparison - * using strcmp(), which is slower. - * - * FIXME: shouldn't @t be const? - * FIXME: we should perhaps consider some sort of lookup arrangement into an - * array; also, the duplication of code is unlovely; perhaps using glib - * string hashes instead of quarks would fix both problems? - * - * Returns: %TRUE if we found the variable asked for, %FALSE if we didn't - */ -static gboolean -pos_eval_get_variable (PosToken *t, - int *result, - const MetaPositionExprEnv *env, - GError **err) -{ - if (env->theme) - { - if (t->d.v.name_quark == env->theme->quark_width) - *result = env->rect.width; - else if (t->d.v.name_quark == env->theme->quark_height) - *result = env->rect.height; - else if (env->object_width >= 0 && - t->d.v.name_quark == env->theme->quark_object_width) - *result = env->object_width; - else if (env->object_height >= 0 && - t->d.v.name_quark == env->theme->quark_object_height) - *result = env->object_height; - else if (t->d.v.name_quark == env->theme->quark_left_width) - *result = env->left_width; - else if (t->d.v.name_quark == env->theme->quark_right_width) - *result = env->right_width; - else if (t->d.v.name_quark == env->theme->quark_top_height) - *result = env->top_height; - else if (t->d.v.name_quark == env->theme->quark_bottom_height) - *result = env->bottom_height; - else if (t->d.v.name_quark == env->theme->quark_mini_icon_width) - *result = env->mini_icon_width; - else if (t->d.v.name_quark == env->theme->quark_mini_icon_height) - *result = env->mini_icon_height; - else if (t->d.v.name_quark == env->theme->quark_icon_width) - *result = env->icon_width; - else if (t->d.v.name_quark == env->theme->quark_icon_height) - *result = env->icon_height; - else if (t->d.v.name_quark == env->theme->quark_title_width) - *result = env->title_width; - else if (t->d.v.name_quark == env->theme->quark_title_height) - *result = env->title_height; - else if (t->d.v.name_quark == env->theme->quark_frame_x_center) - *result = env->frame_x_center; - else if (t->d.v.name_quark == env->theme->quark_frame_y_center) - *result = env->frame_y_center; - else - { - g_set_error (err, META_THEME_ERROR, - META_THEME_ERROR_UNKNOWN_VARIABLE, - _("Coordinate expression had unknown variable or constant \"%s\""), - t->d.v.name); - return FALSE; - } - } - else - { - if (strcmp (t->d.v.name, "width") == 0) - *result = env->rect.width; - else if (strcmp (t->d.v.name, "height") == 0) - *result = env->rect.height; - else if (env->object_width >= 0 && - strcmp (t->d.v.name, "object_width") == 0) - *result = env->object_width; - else if (env->object_height >= 0 && - strcmp (t->d.v.name, "object_height") == 0) - *result = env->object_height; - else if (strcmp (t->d.v.name, "left_width") == 0) - *result = env->left_width; - else if (strcmp (t->d.v.name, "right_width") == 0) - *result = env->right_width; - else if (strcmp (t->d.v.name, "top_height") == 0) - *result = env->top_height; - else if (strcmp (t->d.v.name, "bottom_height") == 0) - *result = env->bottom_height; - else if (strcmp (t->d.v.name, "mini_icon_width") == 0) - *result = env->mini_icon_width; - else if (strcmp (t->d.v.name, "mini_icon_height") == 0) - *result = env->mini_icon_height; - else if (strcmp (t->d.v.name, "icon_width") == 0) - *result = env->icon_width; - else if (strcmp (t->d.v.name, "icon_height") == 0) - *result = env->icon_height; - else if (strcmp (t->d.v.name, "title_width") == 0) - *result = env->title_width; - else if (strcmp (t->d.v.name, "title_height") == 0) - *result = env->title_height; - else if (strcmp (t->d.v.name, "frame_x_center") == 0) - *result = env->frame_x_center; - else if (strcmp (t->d.v.name, "frame_y_center") == 0) - *result = env->frame_y_center; - else - { - g_set_error (err, META_THEME_ERROR, - META_THEME_ERROR_UNKNOWN_VARIABLE, - _("Coordinate expression had unknown variable or constant \"%s\""), - t->d.v.name); - return FALSE; - } - } - - return TRUE; -} - -/** - * pos_eval_helper: - * @tokens: A list of tokens to evaluate. - * @n_tokens: How many tokens are in the list. - * @env: The environment context in which to evaluate the expression. - * @result: (out): The current value of the expression - * - * Evaluates a sequence of tokens within a particular environment context, - * and returns the current value. May recur if parantheses are found. - * - * FIXME: Yes, we really do reparse the expression every time it's evaluated. - * We should keep the parse tree around all the time and just - * run the new values through it. - */ -static gboolean -pos_eval_helper (PosToken *tokens, - int n_tokens, - const MetaPositionExprEnv *env, - PosExpr *result, - GError **err) -{ - /* Lazy-ass hardcoded limit on number of terms in expression */ -#define MAX_EXPRS 32 - int paren_level; - int first_paren; - int i; - PosExpr exprs[MAX_EXPRS]; - int n_exprs; - int precedence; - - /* Our first goal is to get a list of PosExpr, essentially - * substituting variables and handling parentheses. - */ - - first_paren = 0; - paren_level = 0; - n_exprs = 0; - for (i = 0; i < n_tokens; i++) - { - PosToken *t = &tokens[i]; - - if (n_exprs >= MAX_EXPRS) - { - g_set_error (err, META_THEME_ERROR, - META_THEME_ERROR_FAILED, - _("Coordinate expression parser overflowed its buffer.")); - return FALSE; - } - - if (paren_level == 0) - { - switch (t->type) - { - case POS_TOKEN_INT: - exprs[n_exprs].type = POS_EXPR_INT; - exprs[n_exprs].d.int_val = t->d.i.val; - ++n_exprs; - break; - - case POS_TOKEN_DOUBLE: - exprs[n_exprs].type = POS_EXPR_DOUBLE; - exprs[n_exprs].d.double_val = t->d.d.val; - ++n_exprs; - break; - - case POS_TOKEN_OPEN_PAREN: - ++paren_level; - if (paren_level == 1) - first_paren = i; - break; - - case POS_TOKEN_CLOSE_PAREN: - g_set_error (err, META_THEME_ERROR, - META_THEME_ERROR_BAD_PARENS, - _("Coordinate expression had a close parenthesis with no open parenthesis")); - return FALSE; - - case POS_TOKEN_VARIABLE: - exprs[n_exprs].type = POS_EXPR_INT; - - /* FIXME we should just dump all this crap - * in a hash, maybe keep width/height out - * for optimization purposes - */ - if (!pos_eval_get_variable (t, &exprs[n_exprs].d.int_val, env, err)) - return FALSE; - - ++n_exprs; - break; - - case POS_TOKEN_OPERATOR: - exprs[n_exprs].type = POS_EXPR_OPERATOR; - exprs[n_exprs].d.operator = t->d.o.op; - ++n_exprs; - break; - } - } - else - { - g_assert (paren_level > 0); - - switch (t->type) - { - case POS_TOKEN_INT: - case POS_TOKEN_DOUBLE: - case POS_TOKEN_VARIABLE: - case POS_TOKEN_OPERATOR: - break; - - case POS_TOKEN_OPEN_PAREN: - ++paren_level; - break; - - case POS_TOKEN_CLOSE_PAREN: - if (paren_level == 1) - { - /* We closed a toplevel paren group, so recurse */ - if (!pos_eval_helper (&tokens[first_paren+1], - i - first_paren - 1, - env, - &exprs[n_exprs], - err)) - return FALSE; - - ++n_exprs; - } - - --paren_level; - break; - - } - } - } - - if (paren_level > 0) - { - g_set_error (err, META_THEME_ERROR, - META_THEME_ERROR_BAD_PARENS, - _("Coordinate expression had an open parenthesis with no close parenthesis")); - return FALSE; - } - - /* Now we have no parens and no vars; so we just do all the multiplies - * and divides, then all the add and subtract. - */ - if (n_exprs == 0) - { - g_set_error (err, META_THEME_ERROR, - META_THEME_ERROR_FAILED, - _("Coordinate expression doesn't seem to have any operators or operands")); - return FALSE; - } - - /* precedence 1 ops */ - precedence = 2; - while (precedence >= 0) - { - if (!do_operations (exprs, &n_exprs, precedence, err)) - return FALSE; - --precedence; - } - - g_assert (n_exprs == 1); - - *result = *exprs; - - return TRUE; -} - -/* - * expr = int | double | expr * expr | expr / expr | - * expr + expr | expr - expr | (expr) - * - * so very not worth fooling with bison, yet so very painful by hand. - */ - -/** - * pos_eval: - * @spec: The expression to evaluate. - * @env: The environment context to evaluate the expression in. - * @val_p: (out): The integer value of the expression; if the expression - * is of type float, this will be rounded. If we return - * %FALSE because the expression is invalid, this will be - * zero. - * @err: (out): The error, if anything went wrong. - * - * Evaluates an expression. - * - * FIXME: Shouldn't @spec be const? - * - * Returns: %TRUE if we evaluated the expression successfully; %FALSE otherwise. - */ -static gboolean -pos_eval (MetaDrawSpec *spec, - const MetaPositionExprEnv *env, - int *val_p, - GError **err) -{ - PosExpr expr; - - *val_p = 0; - - if (pos_eval_helper (spec->tokens, spec->n_tokens, env, &expr, err)) - { - switch (expr.type) - { - case POS_EXPR_INT: - *val_p = expr.d.int_val; - break; - case POS_EXPR_DOUBLE: - *val_p = expr.d.double_val; - break; - case POS_EXPR_OPERATOR: - g_assert_not_reached (); - break; - } - return TRUE; - } - else - { - return FALSE; - } -} - -/* We always return both X and Y, but only one will be meaningful in - * most contexts. - */ - -/** - * meta_parse_position_expression: (skip) - * - */ -gboolean -meta_parse_position_expression (MetaDrawSpec *spec, - const MetaPositionExprEnv *env, - int *x_return, - int *y_return, - GError **err) -{ - /* All positions are in a coordinate system with x, y at the origin. - * The expression can have -, +, *, / as operators, floating point - * or integer constants, and the variables "width" and "height" and - * optionally "object_width" and object_height". Negative numbers - * aren't allowed. - */ - int val; - - if (spec->constant) - val = spec->value; - else - { - if (pos_eval (spec, env, &spec->value, err) == FALSE) - { - g_assert (err == NULL || *err != NULL); - return FALSE; - } - - val = spec->value; - } - - if (x_return) - *x_return = env->rect.x + val; - if (y_return) - *y_return = env->rect.y + val; - - return TRUE; -} - - -/** - * meta_parse_size_expression: (skip) - * - */ -gboolean -meta_parse_size_expression (MetaDrawSpec *spec, - const MetaPositionExprEnv *env, - int *val_return, - GError **err) -{ - int val; - - if (spec->constant) - val = spec->value; - else - { - if (pos_eval (spec, env, &spec->value, err) == FALSE) - { - g_assert (err == NULL || *err != NULL); - return FALSE; - } - - val = spec->value; - } - - if (val_return) - *val_return = MAX (val, 1); /* require that sizes be at least 1x1 */ - - return TRUE; -} - -/* To do this we tokenize, replace variable tokens - * that are constants, then reassemble. The purpose - * here is to optimize expressions so we don't do hash - * lookups to eval them. Obviously it's a tradeoff that - * slows down theme load times. - */ -gboolean -meta_theme_replace_constants (MetaTheme *theme, - PosToken *tokens, - int n_tokens, - GError **err) -{ - int i; - double dval; - int ival; - gboolean is_constant = TRUE; - - /* Loop through tokenized string looking for variables to replace */ - for (i = 0; i < n_tokens; i++) - { - PosToken *t = &tokens[i]; - - if (t->type == POS_TOKEN_VARIABLE) - { - if (meta_theme_lookup_int_constant (theme, t->d.v.name, &ival)) - { - g_free (t->d.v.name); - t->type = POS_TOKEN_INT; - t->d.i.val = ival; - } - else if (meta_theme_lookup_float_constant (theme, t->d.v.name, &dval)) - { - g_free (t->d.v.name); - t->type = POS_TOKEN_DOUBLE; - t->d.d.val = dval; - } - else - { - /* If we've found a variable that cannot be replaced then the - expression is not a constant expression and we want to - replace it with a GQuark */ - - t->d.v.name_quark = g_quark_from_string (t->d.v.name); - is_constant = FALSE; - } - } - } - - return is_constant; -} - -static int -parse_x_position_unchecked (MetaDrawSpec *spec, - const MetaPositionExprEnv *env) -{ - int retval; - GError *error; - - retval = 0; - error = NULL; - if (!meta_parse_position_expression (spec, env, &retval, NULL, &error)) - { - meta_warning (_("Theme contained an expression that resulted in an error: %s\n"), - error->message); - - g_error_free (error); - } - - return retval; -} - -static int -parse_y_position_unchecked (MetaDrawSpec *spec, - const MetaPositionExprEnv *env) -{ - int retval; - GError *error; - - retval = 0; - error = NULL; - if (!meta_parse_position_expression (spec, env, NULL, &retval, &error)) - { - meta_warning (_("Theme contained an expression that resulted in an error: %s\n"), - error->message); - - g_error_free (error); - } - - return retval; -} - -static int -parse_size_unchecked (MetaDrawSpec *spec, - MetaPositionExprEnv *env) -{ - int retval; - GError *error; - - retval = 0; - error = NULL; - if (!meta_parse_size_expression (spec, env, &retval, &error)) - { - meta_warning (_("Theme contained an expression that resulted in an error: %s\n"), - error->message); - - g_error_free (error); - } - - return retval; -} - -void -meta_draw_spec_free (MetaDrawSpec *spec) -{ - if (!spec) return; - free_tokens (spec->tokens, spec->n_tokens); - g_slice_free (MetaDrawSpec, spec); -} - -/** - * meta_draw_spec_new: (skip) - * - */ -MetaDrawSpec * -meta_draw_spec_new (MetaTheme *theme, - const char *expr, - GError **error) -{ - MetaDrawSpec *spec; - - spec = g_slice_new0 (MetaDrawSpec); - - pos_tokenize (expr, &spec->tokens, &spec->n_tokens, NULL); - - spec->constant = meta_theme_replace_constants (theme, spec->tokens, - spec->n_tokens, NULL); - if (spec->constant) - { - gboolean result; - - result = pos_eval (spec, NULL, &spec->value, error); - if (result == FALSE) - { - meta_draw_spec_free (spec); - return NULL; - } - } - - return spec; -} - -/** - * meta_draw_op_new: (skip) - * - */ -MetaDrawOp* -meta_draw_op_new (MetaDrawType type) -{ - MetaDrawOp *op; - MetaDrawOp dummy; - int size; - - size = G_STRUCT_OFFSET (MetaDrawOp, data); - - switch (type) - { - case META_DRAW_LINE: - size += sizeof (dummy.data.line); - break; - - case META_DRAW_RECTANGLE: - size += sizeof (dummy.data.rectangle); - break; - - case META_DRAW_ARC: - size += sizeof (dummy.data.arc); - break; - - case META_DRAW_CLIP: - size += sizeof (dummy.data.clip); - break; - - case META_DRAW_TINT: - size += sizeof (dummy.data.tint); - break; - - case META_DRAW_GRADIENT: - size += sizeof (dummy.data.gradient); - break; - - case META_DRAW_IMAGE: - size += sizeof (dummy.data.image); - break; - - case META_DRAW_GTK_ARROW: - size += sizeof (dummy.data.gtk_arrow); - break; - - case META_DRAW_GTK_BOX: - size += sizeof (dummy.data.gtk_box); - break; - - case META_DRAW_GTK_VLINE: - size += sizeof (dummy.data.gtk_vline); - break; - - case META_DRAW_ICON: - size += sizeof (dummy.data.icon); - break; - - case META_DRAW_TITLE: - size += sizeof (dummy.data.title); - break; - case META_DRAW_OP_LIST: - size += sizeof (dummy.data.op_list); - break; - case META_DRAW_TILE: - size += sizeof (dummy.data.tile); - break; - } - - op = g_malloc0 (size); - - op->type = type; - - return op; -} - -void -meta_draw_op_free (MetaDrawOp *op) -{ - g_return_if_fail (op != NULL); - - switch (op->type) - { - case META_DRAW_LINE: - if (op->data.line.color_spec) - meta_color_spec_free (op->data.line.color_spec); - - meta_draw_spec_free (op->data.line.x1); - meta_draw_spec_free (op->data.line.y1); - meta_draw_spec_free (op->data.line.x2); - meta_draw_spec_free (op->data.line.y2); - break; - - case META_DRAW_RECTANGLE: - g_free (op->data.rectangle.color_spec); - meta_draw_spec_free (op->data.rectangle.x); - meta_draw_spec_free (op->data.rectangle.y); - meta_draw_spec_free (op->data.rectangle.width); - meta_draw_spec_free (op->data.rectangle.height); - break; - - case META_DRAW_ARC: - g_free (op->data.arc.color_spec); - meta_draw_spec_free (op->data.arc.x); - meta_draw_spec_free (op->data.arc.y); - meta_draw_spec_free (op->data.arc.width); - meta_draw_spec_free (op->data.arc.height); - break; - - case META_DRAW_CLIP: - meta_draw_spec_free (op->data.clip.x); - meta_draw_spec_free (op->data.clip.y); - meta_draw_spec_free (op->data.clip.width); - meta_draw_spec_free (op->data.clip.height); - break; - - case META_DRAW_TINT: - if (op->data.tint.color_spec) - meta_color_spec_free (op->data.tint.color_spec); - - if (op->data.tint.alpha_spec) - meta_alpha_gradient_spec_free (op->data.tint.alpha_spec); - - meta_draw_spec_free (op->data.tint.x); - meta_draw_spec_free (op->data.tint.y); - meta_draw_spec_free (op->data.tint.width); - meta_draw_spec_free (op->data.tint.height); - break; - - case META_DRAW_GRADIENT: - if (op->data.gradient.gradient_spec) - meta_gradient_spec_free (op->data.gradient.gradient_spec); - - if (op->data.gradient.alpha_spec) - meta_alpha_gradient_spec_free (op->data.gradient.alpha_spec); - - meta_draw_spec_free (op->data.gradient.x); - meta_draw_spec_free (op->data.gradient.y); - meta_draw_spec_free (op->data.gradient.width); - meta_draw_spec_free (op->data.gradient.height); - break; - - case META_DRAW_IMAGE: - if (op->data.image.alpha_spec) - meta_alpha_gradient_spec_free (op->data.image.alpha_spec); - - if (op->data.image.pixbuf) - g_object_unref (G_OBJECT (op->data.image.pixbuf)); - - meta_draw_spec_free (op->data.image.x); - meta_draw_spec_free (op->data.image.y); - meta_draw_spec_free (op->data.image.width); - meta_draw_spec_free (op->data.image.height); - break; - - case META_DRAW_GTK_ARROW: - meta_draw_spec_free (op->data.gtk_arrow.x); - meta_draw_spec_free (op->data.gtk_arrow.y); - meta_draw_spec_free (op->data.gtk_arrow.width); - meta_draw_spec_free (op->data.gtk_arrow.height); - break; - - case META_DRAW_GTK_BOX: - meta_draw_spec_free (op->data.gtk_box.x); - meta_draw_spec_free (op->data.gtk_box.y); - meta_draw_spec_free (op->data.gtk_box.width); - meta_draw_spec_free (op->data.gtk_box.height); - break; - - case META_DRAW_GTK_VLINE: - meta_draw_spec_free (op->data.gtk_vline.x); - meta_draw_spec_free (op->data.gtk_vline.y1); - meta_draw_spec_free (op->data.gtk_vline.y2); - break; - - case META_DRAW_ICON: - if (op->data.icon.alpha_spec) - meta_alpha_gradient_spec_free (op->data.icon.alpha_spec); - - meta_draw_spec_free (op->data.icon.x); - meta_draw_spec_free (op->data.icon.y); - meta_draw_spec_free (op->data.icon.width); - meta_draw_spec_free (op->data.icon.height); - break; - - case META_DRAW_TITLE: - if (op->data.title.color_spec) - meta_color_spec_free (op->data.title.color_spec); - - meta_draw_spec_free (op->data.title.x); - meta_draw_spec_free (op->data.title.y); - if (op->data.title.ellipsize_width) - meta_draw_spec_free (op->data.title.ellipsize_width); - break; - - case META_DRAW_OP_LIST: - if (op->data.op_list.op_list) - meta_draw_op_list_unref (op->data.op_list.op_list); - - meta_draw_spec_free (op->data.op_list.x); - meta_draw_spec_free (op->data.op_list.y); - meta_draw_spec_free (op->data.op_list.width); - meta_draw_spec_free (op->data.op_list.height); - break; - - case META_DRAW_TILE: - if (op->data.tile.op_list) - meta_draw_op_list_unref (op->data.tile.op_list); - - meta_draw_spec_free (op->data.tile.x); - meta_draw_spec_free (op->data.tile.y); - meta_draw_spec_free (op->data.tile.width); - meta_draw_spec_free (op->data.tile.height); - meta_draw_spec_free (op->data.tile.tile_xoffset); - meta_draw_spec_free (op->data.tile.tile_yoffset); - meta_draw_spec_free (op->data.tile.tile_width); - meta_draw_spec_free (op->data.tile.tile_height); - break; - } - - g_free (op); -} - -static void -fill_env (MetaPositionExprEnv *env, - const MetaDrawInfo *info, - MetaRectangle logical_region) -{ - /* FIXME this stuff could be raised into draw_op_list_draw() probably - */ - env->rect = logical_region; - env->object_width = -1; - env->object_height = -1; - if (info->fgeom) - { - env->left_width = info->fgeom->borders.visible.left; - env->right_width = info->fgeom->borders.visible.right; - env->top_height = info->fgeom->borders.visible.top; - env->bottom_height = info->fgeom->borders.visible.bottom; - env->frame_x_center = info->fgeom->width / 2 - logical_region.x; - env->frame_y_center = info->fgeom->height / 2 - logical_region.y; - } - else - { - env->left_width = 0; - env->right_width = 0; - env->top_height = 0; - env->bottom_height = 0; - env->frame_x_center = 0; - env->frame_y_center = 0; - } - - env->mini_icon_width = info->mini_icon ? gdk_pixbuf_get_width (info->mini_icon) : 0; - env->mini_icon_height = info->mini_icon ? gdk_pixbuf_get_height (info->mini_icon) : 0; - env->icon_width = info->icon ? gdk_pixbuf_get_width (info->icon) : 0; - env->icon_height = info->icon ? gdk_pixbuf_get_height (info->icon) : 0; - - env->title_width = info->title_layout_width; - env->title_height = info->title_layout_height; - env->theme = meta_current_theme; -} - -static cairo_pattern_t * -meta_alpha_gradient_spec_pattern (const MetaAlphaGradientSpec *alpha_spec) -{ - - /* Hardcoded in theme-parser.c */ - g_assert (alpha_spec->type == META_GRADIENT_HORIZONTAL); - - int n_alphas = alpha_spec->n_alphas; - if (n_alphas == 0) - return NULL; - else if (n_alphas == 1) - return cairo_pattern_create_rgba (0, 0, 0, alpha_spec->alphas[0]); - else - { - cairo_pattern_t *pattern = cairo_pattern_create_linear (0, 0, 1, 0); - int i; - - for (i = 0; i < n_alphas; i++) - cairo_pattern_add_color_stop_rgba (pattern, - i / (float) n_alphas, - 0, 0, 0, alpha_spec->alphas[i]); - - return pattern; - } -} - -static void -draw_image (cairo_t *cr, - GdkPixbuf *src, - MetaImageFillType fill_type, - MetaAlphaGradientSpec *alpha_spec, - int x, - int y, - int width, - int height) -{ - cairo_save (cr); - - cairo_rectangle (cr, x, y, width, height); - - if (fill_type == META_IMAGE_FILL_TILE) - { - gdk_cairo_set_source_pixbuf (cr, src, 0, 0); - - cairo_pattern_set_extend (cairo_get_source (cr), - CAIRO_EXTEND_REPEAT); - } - else - { - float pixbuf_width, pixbuf_height; - - pixbuf_width = gdk_pixbuf_get_width (src); - pixbuf_height = gdk_pixbuf_get_height (src); - - cairo_save (cr); - cairo_translate (cr, x, y); - cairo_scale (cr, - pixbuf_width / width, - pixbuf_height / height); - - gdk_cairo_set_source_pixbuf (cr, src, 0, 0); - cairo_restore (cr); - } - - if (alpha_spec) - { - cairo_translate (cr, x, y); - cairo_scale (cr, width, height); - - cairo_pattern_t *pattern = meta_alpha_gradient_spec_pattern (alpha_spec); - cairo_mask (cr, pattern); - cairo_pattern_destroy (pattern); - } - else - { - cairo_fill (cr); - } - - cairo_restore (cr); -} - -/* This code was originally rendering anti-aliased using X primitives, and - * now has been switched to draw anti-aliased using cairo. In general, the - * closest correspondence between X rendering and cairo rendering is given - * by offsetting the geometry by 0.5 pixels in both directions before rendering - * with cairo. This is because X samples at the upper left corner of the - * pixel while cairo averages over the entire pixel. However, in the cases - * where the X rendering was an exact rectangle with no "jaggies" - * we need to be a bit careful about applying the offset. We want to produce - * the exact same pixel-aligned rectangle, rather than a rectangle with - * fuzz around the edges. - */ -static void -meta_draw_op_draw_with_env (const MetaDrawOp *op, - GtkStyleContext *style_gtk, - cairo_t *cr, - const MetaDrawInfo *info, - MetaRectangle rect, - MetaPositionExprEnv *env) -{ - GdkRGBA color; - - cairo_save (cr); - - cairo_set_line_width (cr, 1.0); - - switch (op->type) - { - case META_DRAW_LINE: - { - int x1, x2, y1, y2; - - meta_color_spec_render (op->data.line.color_spec, style_gtk, &color); - gdk_cairo_set_source_rgba (cr, &color); - - if (op->data.line.width > 0) - cairo_set_line_width (cr, op->data.line.width); - - if (op->data.line.dash_on_length > 0 && - op->data.line.dash_off_length > 0) - { - double dash_list[2]; - dash_list[0] = op->data.line.dash_on_length; - dash_list[1] = op->data.line.dash_off_length; - cairo_set_dash (cr, dash_list, 2, 0); - } - - x1 = parse_x_position_unchecked (op->data.line.x1, env); - y1 = parse_y_position_unchecked (op->data.line.y1, env); - - if (!op->data.line.x2 && - !op->data.line.y2 && - op->data.line.width==0) - { - cairo_rectangle (cr, x1, y1, 1, 1); - cairo_fill (cr); - } - else - { - if (op->data.line.x2) - x2 = parse_x_position_unchecked (op->data.line.x2, env); - else - x2 = x1; - - if (op->data.line.y2) - y2 = parse_y_position_unchecked (op->data.line.y2, env); - else - y2 = y1; - - /* This is one of the cases where we are matching the exact - * pixel aligned rectangle produced by X; for zero-width lines - * the generic algorithm produces the right result so we don't - * need to handle them here. - */ - if ((y1 == y2 || x1 == x2) && op->data.line.width != 0) - { - double offset = op->data.line.width % 2 ? .5 : 0; - - if (y1 == y2) - { - cairo_move_to (cr, x1, y1 + offset); - cairo_line_to (cr, x2, y2 + offset); - } - else - { - cairo_move_to (cr, x1 + offset, y1); - cairo_line_to (cr, x2 + offset, y2); - } - } - else - { - /* zero-width lines include both end-points in X, unlike wide lines */ - if (op->data.line.width == 0) - cairo_set_line_cap (cr, CAIRO_LINE_CAP_SQUARE); - - cairo_move_to (cr, x1 + .5, y1 + .5); - cairo_line_to (cr, x2 + .5, y2 + .5); - } - cairo_stroke (cr); - } - } - break; - - case META_DRAW_RECTANGLE: - { - int rx, ry, rwidth, rheight; - - meta_color_spec_render (op->data.rectangle.color_spec, - style_gtk, &color); - gdk_cairo_set_source_rgba (cr, &color); - - rx = parse_x_position_unchecked (op->data.rectangle.x, env); - ry = parse_y_position_unchecked (op->data.rectangle.y, env); - rwidth = parse_size_unchecked (op->data.rectangle.width, env); - rheight = parse_size_unchecked (op->data.rectangle.height, env); - - /* Filled and stroked rectangles are the other cases - * we pixel-align to X rasterization - */ - if (op->data.rectangle.filled) - { - cairo_rectangle (cr, rx, ry, rwidth, rheight); - cairo_fill (cr); - } - else - { - cairo_rectangle (cr, rx + .5, ry + .5, rwidth, rheight); - cairo_stroke (cr); - } - } - break; - - case META_DRAW_ARC: - { - int rx, ry, rwidth, rheight; - double start_angle, end_angle; - double center_x, center_y; - - meta_color_spec_render (op->data.arc.color_spec, style_gtk, &color); - gdk_cairo_set_source_rgba (cr, &color); - - rx = parse_x_position_unchecked (op->data.arc.x, env); - ry = parse_y_position_unchecked (op->data.arc.y, env); - rwidth = parse_size_unchecked (op->data.arc.width, env); - rheight = parse_size_unchecked (op->data.arc.height, env); - - start_angle = op->data.arc.start_angle * (M_PI / 180.) - - (.5 * M_PI); /* start at 12 instead of 3 oclock */ - end_angle = start_angle + op->data.arc.extent_angle * (M_PI / 180.); - center_x = rx + (double)rwidth / 2. + .5; - center_y = ry + (double)rheight / 2. + .5; - - cairo_save (cr); - - cairo_translate (cr, center_x, center_y); - cairo_scale (cr, (double)rwidth / 2., (double)rheight / 2.); - - if (op->data.arc.extent_angle >= 0) - cairo_arc (cr, 0, 0, 1, start_angle, end_angle); - else - cairo_arc_negative (cr, 0, 0, 1, start_angle, end_angle); - - cairo_restore (cr); - - if (op->data.arc.filled) - { - cairo_line_to (cr, center_x, center_y); - cairo_fill (cr); - } - else - cairo_stroke (cr); - } - break; - - case META_DRAW_CLIP: - break; - - case META_DRAW_TINT: - { - int rx, ry, rwidth, rheight; - - rx = parse_x_position_unchecked (op->data.tint.x, env); - ry = parse_y_position_unchecked (op->data.tint.y, env); - rwidth = parse_size_unchecked (op->data.tint.width, env); - rheight = parse_size_unchecked (op->data.tint.height, env); - - meta_color_spec_render (op->data.tint.color_spec, - style_gtk, &color); - - if (op->data.tint.alpha_spec && - op->data.tint.alpha_spec->n_alphas == 1) - color.alpha = op->data.tint.alpha_spec->alphas[0]; - - gdk_cairo_set_source_rgba (cr, &color); - - cairo_rectangle (cr, rx, ry, rwidth, rheight); - cairo_fill (cr); - } - break; - - case META_DRAW_GRADIENT: - { - int rx, ry, rwidth, rheight; - - rx = parse_x_position_unchecked (op->data.gradient.x, env); - ry = parse_y_position_unchecked (op->data.gradient.y, env); - rwidth = parse_size_unchecked (op->data.gradient.width, env); - rheight = parse_size_unchecked (op->data.gradient.height, env); - - meta_gradient_spec_render (op->data.gradient.gradient_spec, - op->data.gradient.alpha_spec, - cr, style_gtk, - rx, ry, rwidth, rheight); - } - break; - - case META_DRAW_IMAGE: - { - int rx, ry, rwidth, rheight; - - if (op->data.image.pixbuf == NULL) - break; - - env->object_width = gdk_pixbuf_get_width (op->data.image.pixbuf); - env->object_height = gdk_pixbuf_get_height (op->data.image.pixbuf); - - rx = parse_x_position_unchecked (op->data.image.x, env); - ry = parse_y_position_unchecked (op->data.image.y, env); - - rwidth = parse_size_unchecked (op->data.image.width, env); - rheight = parse_size_unchecked (op->data.image.height, env); - - draw_image (cr, - op->data.image.pixbuf, - op->data.image.fill_type, - op->data.image.alpha_spec, - rx, ry, rwidth, rheight); - } - break; - - case META_DRAW_GTK_ARROW: - { - int rx, ry, rwidth, rheight; - double angle = 0, size; - - rx = parse_x_position_unchecked (op->data.gtk_arrow.x, env); - ry = parse_y_position_unchecked (op->data.gtk_arrow.y, env); - rwidth = parse_size_unchecked (op->data.gtk_arrow.width, env); - rheight = parse_size_unchecked (op->data.gtk_arrow.height, env); - - size = MAX(rwidth, rheight); - - switch (op->data.gtk_arrow.arrow) - { - case GTK_ARROW_UP: - angle = 0; - break; - case GTK_ARROW_RIGHT: - angle = M_PI / 2; - break; - case GTK_ARROW_DOWN: - angle = M_PI; - break; - case GTK_ARROW_LEFT: - angle = 3 * M_PI / 2; - break; - case GTK_ARROW_NONE: - return; - } - - gtk_style_context_set_state (style_gtk, op->data.gtk_arrow.state); - gtk_render_arrow (style_gtk, cr, angle, rx, ry, size); - } - break; - - case META_DRAW_GTK_BOX: - { - int rx, ry, rwidth, rheight; - - rx = parse_x_position_unchecked (op->data.gtk_box.x, env); - ry = parse_y_position_unchecked (op->data.gtk_box.y, env); - rwidth = parse_size_unchecked (op->data.gtk_box.width, env); - rheight = parse_size_unchecked (op->data.gtk_box.height, env); - - gtk_style_context_set_state (style_gtk, op->data.gtk_box.state); - gtk_render_background (style_gtk, cr, rx, ry, rwidth, rheight); - gtk_render_frame (style_gtk, cr, rx, ry, rwidth, rheight); - } - break; - - case META_DRAW_GTK_VLINE: - { - int rx, ry1, ry2; - - rx = parse_x_position_unchecked (op->data.gtk_vline.x, env); - ry1 = parse_y_position_unchecked (op->data.gtk_vline.y1, env); - ry2 = parse_y_position_unchecked (op->data.gtk_vline.y2, env); - - gtk_style_context_set_state (style_gtk, op->data.gtk_vline.state); - gtk_render_line (style_gtk, cr, rx, ry1, rx, ry2); - } - break; - - case META_DRAW_ICON: - { - int rx, ry, rwidth, rheight; - GdkPixbuf *src; - - rwidth = parse_size_unchecked (op->data.icon.width, env); - rheight = parse_size_unchecked (op->data.icon.height, env); - - if (info->mini_icon && - rwidth < gdk_pixbuf_get_width (info->mini_icon) && - rheight < gdk_pixbuf_get_height (info->mini_icon)) - src = info->mini_icon; - else if (info->icon) - src = info->icon; - else - break; - - rx = parse_x_position_unchecked (op->data.icon.x, env); - ry = parse_y_position_unchecked (op->data.icon.y, env); - - draw_image (cr, src, - op->data.icon.fill_type, - op->data.icon.alpha_spec, - rx, ry, rwidth, rheight); - } - break; - - case META_DRAW_TITLE: - if (info->title_layout) - { - int rx, ry; - PangoRectangle ink_rect, logical_rect; - - meta_color_spec_render (op->data.title.color_spec, - style_gtk, &color); - gdk_cairo_set_source_rgba (cr, &color); - - rx = parse_x_position_unchecked (op->data.title.x, env); - ry = parse_y_position_unchecked (op->data.title.y, env); - - if (op->data.title.ellipsize_width) - { - int ellipsize_width; - int right_bearing; - - ellipsize_width = parse_x_position_unchecked (op->data.title.ellipsize_width, env); - /* HACK: parse_x_position_unchecked adds in env->rect.x, subtract out again */ - ellipsize_width -= env->rect.x; - - pango_layout_set_width (info->title_layout, -1); - pango_layout_get_pixel_extents (info->title_layout, - &ink_rect, &logical_rect); - - /* Pango's idea of ellipsization is with respect to the logical rect. - * correct for this, by reducing the ellipsization width by the overflow - * of the un-ellipsized text on the right... it's always the visual - * right we want regardless of bidi, since since the X we pass in to - * cairo_move_to() is always the left edge of the line. - */ - right_bearing = (ink_rect.x + ink_rect.width) - (logical_rect.x + logical_rect.width); - right_bearing = MAX (right_bearing, 0); - - ellipsize_width -= right_bearing; - ellipsize_width = MAX (ellipsize_width, 0); - - /* Only ellipsizing when necessary is a performance optimization - - * pango_layout_set_width() will force a relayout if it isn't the - * same as the current width of -1. - */ - if (ellipsize_width < logical_rect.width) - pango_layout_set_width (info->title_layout, PANGO_SCALE * ellipsize_width); - } - - cairo_move_to (cr, rx, ry); - pango_cairo_show_layout (cr, info->title_layout); - - /* Remove any ellipsization we might have set; will short-circuit - * if the width is already -1 */ - pango_layout_set_width (info->title_layout, -1); - } - break; - - case META_DRAW_OP_LIST: - { - MetaRectangle d_rect; - - d_rect.x = parse_x_position_unchecked (op->data.op_list.x, env); - d_rect.y = parse_y_position_unchecked (op->data.op_list.y, env); - d_rect.width = parse_size_unchecked (op->data.op_list.width, env); - d_rect.height = parse_size_unchecked (op->data.op_list.height, env); - - meta_draw_op_list_draw_with_style (op->data.op_list.op_list, - style_gtk, cr, info, d_rect); - } - break; - - case META_DRAW_TILE: - { - int rx, ry, rwidth, rheight; - int tile_xoffset, tile_yoffset; - MetaRectangle tile; - - rx = parse_x_position_unchecked (op->data.tile.x, env); - ry = parse_y_position_unchecked (op->data.tile.y, env); - rwidth = parse_size_unchecked (op->data.tile.width, env); - rheight = parse_size_unchecked (op->data.tile.height, env); - - cairo_save (cr); - - cairo_rectangle (cr, rx, ry, rwidth, rheight); - cairo_clip (cr); - - tile_xoffset = parse_x_position_unchecked (op->data.tile.tile_xoffset, env); - tile_yoffset = parse_y_position_unchecked (op->data.tile.tile_yoffset, env); - /* tile offset should not include x/y */ - tile_xoffset -= rect.x; - tile_yoffset -= rect.y; - - tile.width = parse_size_unchecked (op->data.tile.tile_width, env); - tile.height = parse_size_unchecked (op->data.tile.tile_height, env); - - tile.x = rx - tile_xoffset; - - while (tile.x < (rx + rwidth)) - { - tile.y = ry - tile_yoffset; - while (tile.y < (ry + rheight)) - { - meta_draw_op_list_draw_with_style (op->data.tile.op_list, - style_gtk, cr, info, tile); - - tile.y += tile.height; - } - - tile.x += tile.width; - } - cairo_restore (cr); - - } - break; - } - - cairo_restore (cr); -} - -void -meta_draw_op_draw_with_style (const MetaDrawOp *op, - GtkStyleContext *style_gtk, - cairo_t *cr, - const MetaDrawInfo *info, - MetaRectangle logical_region) -{ - MetaPositionExprEnv env; - - fill_env (&env, info, logical_region); - - meta_draw_op_draw_with_env (op, style_gtk, cr, - info, logical_region, - &env); - -} - -/** - * meta_draw_op_list_new: (skip) - * - */ -MetaDrawOpList* -meta_draw_op_list_new (int n_preallocs) -{ - MetaDrawOpList *op_list; - - g_return_val_if_fail (n_preallocs >= 0, NULL); - - op_list = g_new (MetaDrawOpList, 1); - - op_list->refcount = 1; - op_list->n_allocated = n_preallocs; - op_list->ops = g_new (MetaDrawOp*, op_list->n_allocated); - op_list->n_ops = 0; - - return op_list; -} - -void -meta_draw_op_list_ref (MetaDrawOpList *op_list) -{ - g_return_if_fail (op_list != NULL); - - op_list->refcount += 1; -} - -void -meta_draw_op_list_unref (MetaDrawOpList *op_list) -{ - g_return_if_fail (op_list != NULL); - g_return_if_fail (op_list->refcount > 0); - - op_list->refcount -= 1; - - if (op_list->refcount == 0) - { - int i; - - for (i = 0; i < op_list->n_ops; i++) - meta_draw_op_free (op_list->ops[i]); - - g_free (op_list->ops); - - DEBUG_FILL_STRUCT (op_list); - g_free (op_list); - } -} - -void -meta_draw_op_list_draw_with_style (const MetaDrawOpList *op_list, - GtkStyleContext *style_gtk, - cairo_t *cr, - const MetaDrawInfo *info, - MetaRectangle rect) -{ - int i; - MetaPositionExprEnv env; - - if (op_list->n_ops == 0) - return; - - fill_env (&env, info, rect); - - cairo_save (cr); - - for (i = 0; i < op_list->n_ops; i++) - { - MetaDrawOp *op = op_list->ops[i]; - - if (op->type == META_DRAW_CLIP) - { - cairo_restore (cr); - - cairo_rectangle (cr, - parse_x_position_unchecked (op->data.clip.x, &env), - parse_y_position_unchecked (op->data.clip.y, &env), - parse_size_unchecked (op->data.clip.width, &env), - parse_size_unchecked (op->data.clip.height, &env)); - cairo_clip (cr); - - cairo_save (cr); - } - else if (gdk_cairo_get_clip_rectangle (cr, NULL)) - { - meta_draw_op_draw_with_env (op, - style_gtk, cr, info, - rect, - &env); - } - } - - cairo_restore (cr); -} - -void -meta_draw_op_list_append (MetaDrawOpList *op_list, - MetaDrawOp *op) -{ - if (op_list->n_ops == op_list->n_allocated) - { - op_list->n_allocated *= 2; - op_list->ops = g_renew (MetaDrawOp*, op_list->ops, op_list->n_allocated); - } - - op_list->ops[op_list->n_ops] = op; - op_list->n_ops += 1; -} - -gboolean -meta_draw_op_list_validate (MetaDrawOpList *op_list, - GError **error) -{ - g_return_val_if_fail (op_list != NULL, FALSE); - - /* empty lists are OK, nothing else to check really */ - - return TRUE; -} - -/* This is not done in validate, since we wouldn't know the name - * of the list to report the error. It might be nice to - * store names inside the list sometime. - */ -gboolean -meta_draw_op_list_contains (MetaDrawOpList *op_list, - MetaDrawOpList *child) -{ - int i; - - /* mmm, huge tree recursion */ - - for (i = 0; i < op_list->n_ops; i++) - { - if (op_list->ops[i]->type == META_DRAW_OP_LIST) - { - if (op_list->ops[i]->data.op_list.op_list == child) - return TRUE; - - if (meta_draw_op_list_contains (op_list->ops[i]->data.op_list.op_list, - child)) - return TRUE; - } - else if (op_list->ops[i]->type == META_DRAW_TILE) - { - if (op_list->ops[i]->data.tile.op_list == child) - return TRUE; - - if (meta_draw_op_list_contains (op_list->ops[i]->data.tile.op_list, - child)) - return TRUE; - } - } - - return FALSE; -} - /** * meta_frame_style_new: * @parent: The parent style. Data not filled in here will be @@ -3877,9 +680,6 @@ meta_frame_style_new (MetaFrameStyle *parent) style->refcount = 1; - /* Default alpha is fully opaque */ - style->window_background_alpha = 255; - style->parent = parent; if (parent) meta_frame_style_ref (parent); @@ -3901,17 +701,6 @@ meta_frame_style_ref (MetaFrameStyle *style) style->refcount += 1; } -static void -free_button_ops (MetaDrawOpList *op_lists[META_BUTTON_TYPE_LAST][META_BUTTON_STATE_LAST]) -{ - int i, j; - - for (i = 0; i < META_BUTTON_TYPE_LAST; i++) - for (j = 0; j < META_BUTTON_STATE_LAST; j++) - if (op_lists[i][j]) - meta_draw_op_list_unref (op_lists[i][j]); -} - void meta_frame_style_unref (MetaFrameStyle *style) { @@ -3922,20 +711,9 @@ meta_frame_style_unref (MetaFrameStyle *style) if (style->refcount == 0) { - int i; - - free_button_ops (style->buttons); - - for (i = 0; i < META_FRAME_PIECE_LAST; i++) - if (style->pieces[i]) - meta_draw_op_list_unref (style->pieces[i]); - if (style->layout) meta_frame_layout_unref (style->layout); - if (style->window_background_color) - meta_color_spec_free (style->window_background_color); - /* we hold a reference to any parent style */ if (style->parent) meta_frame_style_unref (style->parent); @@ -3945,116 +723,6 @@ meta_frame_style_unref (MetaFrameStyle *style) } } -static MetaButtonState -map_button_state (MetaButtonType button_type, - const MetaFrameGeometry *fgeom, - int middle_bg_offset, - MetaButtonState button_states[META_BUTTON_TYPE_LAST]) -{ - MetaButtonFunction function = META_BUTTON_FUNCTION_LAST; - - switch (button_type) - { - /* First handle functions, which map directly */ - case META_BUTTON_TYPE_SHADE: - case META_BUTTON_TYPE_ABOVE: - case META_BUTTON_TYPE_STICK: - case META_BUTTON_TYPE_UNSHADE: - case META_BUTTON_TYPE_UNABOVE: - case META_BUTTON_TYPE_UNSTICK: - case META_BUTTON_TYPE_MENU: - case META_BUTTON_TYPE_APPMENU: - case META_BUTTON_TYPE_MINIMIZE: - case META_BUTTON_TYPE_MAXIMIZE: - case META_BUTTON_TYPE_CLOSE: - return button_states[button_type]; - - /* Map position buttons to the corresponding function */ - case META_BUTTON_TYPE_RIGHT_LEFT_BACKGROUND: - case META_BUTTON_TYPE_RIGHT_SINGLE_BACKGROUND: - if (fgeom->n_right_buttons > 0) - function = fgeom->button_layout.right_buttons[0]; - break; - case META_BUTTON_TYPE_RIGHT_RIGHT_BACKGROUND: - if (fgeom->n_right_buttons > 0) - function = fgeom->button_layout.right_buttons[fgeom->n_right_buttons - 1]; - break; - case META_BUTTON_TYPE_RIGHT_MIDDLE_BACKGROUND: - if (middle_bg_offset + 1 < fgeom->n_right_buttons) - function = fgeom->button_layout.right_buttons[middle_bg_offset + 1]; - break; - case META_BUTTON_TYPE_LEFT_LEFT_BACKGROUND: - case META_BUTTON_TYPE_LEFT_SINGLE_BACKGROUND: - if (fgeom->n_left_buttons > 0) - function = fgeom->button_layout.left_buttons[0]; - break; - case META_BUTTON_TYPE_LEFT_RIGHT_BACKGROUND: - if (fgeom->n_left_buttons > 0) - function = fgeom->button_layout.left_buttons[fgeom->n_left_buttons - 1]; - break; - case META_BUTTON_TYPE_LEFT_MIDDLE_BACKGROUND: - if (middle_bg_offset + 1 < fgeom->n_left_buttons) - function = fgeom->button_layout.left_buttons[middle_bg_offset + 1]; - break; - case META_BUTTON_TYPE_LAST: - break; - } - - if (function != META_BUTTON_FUNCTION_LAST) - return button_states[map_button_function_to_type (function)]; - - return META_BUTTON_STATE_LAST; -} - -static MetaDrawOpList* -get_button (MetaFrameStyle *style, - MetaButtonType type, - MetaButtonState state) -{ - MetaDrawOpList *op_list; - MetaFrameStyle *parent; - - parent = style; - op_list = NULL; - while (parent && op_list == NULL) - { - op_list = parent->buttons[type][state]; - parent = parent->parent; - } - - /* We fall back to the side buttons if we don't have - * single button backgrounds, and to middle button - * backgrounds if we don't have the ones on the sides - */ - - if (op_list == NULL && - type == META_BUTTON_TYPE_LEFT_SINGLE_BACKGROUND) - return get_button (style, META_BUTTON_TYPE_LEFT_LEFT_BACKGROUND, state); - - if (op_list == NULL && - type == META_BUTTON_TYPE_RIGHT_SINGLE_BACKGROUND) - return get_button (style, META_BUTTON_TYPE_RIGHT_RIGHT_BACKGROUND, state); - - if (op_list == NULL && - (type == META_BUTTON_TYPE_LEFT_LEFT_BACKGROUND || - type == META_BUTTON_TYPE_LEFT_RIGHT_BACKGROUND)) - return get_button (style, META_BUTTON_TYPE_LEFT_MIDDLE_BACKGROUND, - state); - - if (op_list == NULL && - (type == META_BUTTON_TYPE_RIGHT_LEFT_BACKGROUND || - type == META_BUTTON_TYPE_RIGHT_RIGHT_BACKGROUND)) - return get_button (style, META_BUTTON_TYPE_RIGHT_MIDDLE_BACKGROUND, - state); - - /* We fall back to normal if no prelight */ - if (op_list == NULL && - state == META_BUTTON_STATE_PRELIGHT) - return get_button (style, type, META_BUTTON_STATE_NORMAL); - - return op_list; -} - void meta_frame_style_apply_scale (const MetaFrameStyle *style, PangoFontDescription *font_desc) @@ -4064,81 +732,13 @@ meta_frame_style_apply_scale (const MetaFrameStyle *style, MAX (size * style->layout->title_scale, 1)); } -gboolean -meta_frame_style_validate (MetaFrameStyle *style, - guint current_theme_version, - GError **error) -{ - int i, j; - - g_return_val_if_fail (style != NULL, FALSE); - g_return_val_if_fail (style->layout != NULL, FALSE); - - for (i = 0; i < META_BUTTON_TYPE_LAST; i++) - { - /* for now the "positional" buttons are optional */ - if (i >= META_BUTTON_TYPE_CLOSE) - { - for (j = 0; j < META_BUTTON_STATE_LAST; j++) - { - if (get_button (style, i, j) == NULL && - meta_theme_earliest_version_with_button (i) <= current_theme_version - ) - { - g_set_error (error, META_THEME_ERROR, - META_THEME_ERROR_FAILED, - _("<button function=\"%s\" state=\"%s\" draw_ops=\"whatever\"/> must be specified for this frame style"), - meta_button_type_to_string (i), - meta_button_state_to_string (j)); - return FALSE; - } - } - } - } - - return TRUE; -} - static void get_button_rect (MetaButtonType type, const MetaFrameGeometry *fgeom, - int middle_background_offset, GdkRectangle *rect) { switch (type) { - case META_BUTTON_TYPE_LEFT_LEFT_BACKGROUND: - *rect = fgeom->left_left_background; - break; - - case META_BUTTON_TYPE_LEFT_MIDDLE_BACKGROUND: - *rect = fgeom->left_middle_backgrounds[middle_background_offset]; - break; - - case META_BUTTON_TYPE_LEFT_RIGHT_BACKGROUND: - *rect = fgeom->left_right_background; - break; - - case META_BUTTON_TYPE_LEFT_SINGLE_BACKGROUND: - *rect = fgeom->left_single_background; - break; - - case META_BUTTON_TYPE_RIGHT_LEFT_BACKGROUND: - *rect = fgeom->right_left_background; - break; - - case META_BUTTON_TYPE_RIGHT_MIDDLE_BACKGROUND: - *rect = fgeom->right_middle_backgrounds[middle_background_offset]; - break; - - case META_BUTTON_TYPE_RIGHT_RIGHT_BACKGROUND: - *rect = fgeom->right_right_background; - break; - - case META_BUTTON_TYPE_RIGHT_SINGLE_BACKGROUND: - *rect = fgeom->right_single_background; - break; - case META_BUTTON_TYPE_CLOSE: *rect = fgeom->close_rect.visible; break; @@ -4267,15 +867,11 @@ meta_frame_style_draw_with_style (MetaFrameStyle *frame_style, state = gtk_style_context_get_state (style); for (button_type = META_BUTTON_TYPE_CLOSE; button_type < META_BUTTON_TYPE_LAST; button_type++) { - MetaButtonState button_state; + get_button_rect (button_type, fgeom, &button_rect); - get_button_rect (button_type, fgeom, 0, &button_rect); - - button_state = map_button_state (button_type, fgeom, 0, button_states); - - if (button_state == META_BUTTON_STATE_PRELIGHT) + if (button_states[button_type] == META_BUTTON_STATE_PRELIGHT) gtk_style_context_set_state (style, state | GTK_STATE_PRELIGHT); - else if (button_state == META_BUTTON_STATE_PRESSED) + else if (button_states[button_type] == META_BUTTON_STATE_PRESSED) gtk_style_context_set_state (style, state | GTK_STATE_ACTIVE); else gtk_style_context_set_state (style, state); @@ -4510,68 +1106,6 @@ get_style (MetaFrameStyleSet *style_set, return style; } -static gboolean -check_state (MetaFrameStyleSet *style_set, - MetaFrameState state, - GError **error) -{ - int i; - - for (i = 0; i < META_FRAME_FOCUS_LAST; i++) - { - if (get_style (style_set, state, - META_FRAME_RESIZE_NONE, i) == NULL) - { - /* Translators: This error occurs when a <frame> tag is missing - * in theme XML. The "<frame ...>" is intended as a noun phrase, - * and the "missing" qualifies it. You should translate "whatever". - */ - g_set_error (error, META_THEME_ERROR, - META_THEME_ERROR_FAILED, - _("Missing <frame state=\"%s\" resize=\"%s\" focus=\"%s\" style=\"whatever\"/>"), - meta_frame_state_to_string (state), - meta_frame_resize_to_string (META_FRAME_RESIZE_NONE), - meta_frame_focus_to_string (i)); - return FALSE; - } - } - - return TRUE; -} - -gboolean -meta_frame_style_set_validate (MetaFrameStyleSet *style_set, - GError **error) -{ - int i, j; - - g_return_val_if_fail (style_set != NULL, FALSE); - - for (i = 0; i < META_FRAME_RESIZE_LAST; i++) - for (j = 0; j < META_FRAME_FOCUS_LAST; j++) - if (get_style (style_set, META_FRAME_STATE_NORMAL, i, j) == NULL) - { - g_set_error (error, META_THEME_ERROR, - META_THEME_ERROR_FAILED, - _("Missing <frame state=\"%s\" resize=\"%s\" focus=\"%s\" style=\"whatever\"/>"), - meta_frame_state_to_string (META_FRAME_STATE_NORMAL), - meta_frame_resize_to_string (i), - meta_frame_focus_to_string (j)); - return FALSE; - } - - if (!check_state (style_set, META_FRAME_STATE_SHADED, error)) - return FALSE; - - if (!check_state (style_set, META_FRAME_STATE_MAXIMIZED, error)) - return FALSE; - - if (!check_state (style_set, META_FRAME_STATE_MAXIMIZED_AND_SHADED, error)) - return FALSE; - - return TRUE; -} - /** * meta_theme_get_default: (skip) * @@ -4658,59 +1192,7 @@ meta_theme_get_default (void) MetaTheme* meta_theme_new (void) { - MetaTheme *theme; - - theme = g_new0 (MetaTheme, 1); - - theme->images_by_filename = - g_hash_table_new_full (g_str_hash, - g_str_equal, - g_free, - (GDestroyNotify) g_object_unref); - - theme->layouts_by_name = - g_hash_table_new_full (g_str_hash, - g_str_equal, - g_free, - (GDestroyNotify) meta_frame_layout_unref); - - theme->draw_op_lists_by_name = - g_hash_table_new_full (g_str_hash, - g_str_equal, - g_free, - (GDestroyNotify) meta_draw_op_list_unref); - - theme->styles_by_name = - g_hash_table_new_full (g_str_hash, - g_str_equal, - g_free, - (GDestroyNotify) meta_frame_style_unref); - - theme->style_sets_by_name = - g_hash_table_new_full (g_str_hash, - g_str_equal, - g_free, - (GDestroyNotify) meta_frame_style_set_unref); - - /* Create our variable quarks so we can look up variables without - having to strcmp for the names */ - theme->quark_width = g_quark_from_static_string ("width"); - theme->quark_height = g_quark_from_static_string ("height"); - theme->quark_object_width = g_quark_from_static_string ("object_width"); - theme->quark_object_height = g_quark_from_static_string ("object_height"); - theme->quark_left_width = g_quark_from_static_string ("left_width"); - theme->quark_right_width = g_quark_from_static_string ("right_width"); - theme->quark_top_height = g_quark_from_static_string ("top_height"); - theme->quark_bottom_height = g_quark_from_static_string ("bottom_height"); - theme->quark_mini_icon_width = g_quark_from_static_string ("mini_icon_width"); - theme->quark_mini_icon_height = g_quark_from_static_string ("mini_icon_height"); - theme->quark_icon_width = g_quark_from_static_string ("icon_width"); - theme->quark_icon_height = g_quark_from_static_string ("icon_height"); - theme->quark_title_width = g_quark_from_static_string ("title_width"); - theme->quark_title_height = g_quark_from_static_string ("title_height"); - theme->quark_frame_x_center = g_quark_from_static_string ("frame_x_center"); - theme->quark_frame_y_center = g_quark_from_static_string ("frame_y_center"); - return theme; + return g_new0 (MetaTheme, 1); } @@ -4721,30 +1203,6 @@ meta_theme_free (MetaTheme *theme) g_return_if_fail (theme != NULL); - g_free (theme->name); - g_free (theme->dirname); - g_free (theme->filename); - g_free (theme->readable_name); - g_free (theme->date); - g_free (theme->description); - g_free (theme->author); - g_free (theme->copyright); - - /* be more careful when destroying the theme hash tables, - since they are only constructed as needed, and may be NULL. */ - if (theme->integer_constants) - g_hash_table_destroy (theme->integer_constants); - if (theme->images_by_filename) - g_hash_table_destroy (theme->images_by_filename); - if (theme->layouts_by_name) - g_hash_table_destroy (theme->layouts_by_name); - if (theme->draw_op_lists_by_name) - g_hash_table_destroy (theme->draw_op_lists_by_name); - if (theme->styles_by_name) - g_hash_table_destroy (theme->styles_by_name); - if (theme->style_sets_by_name) - g_hash_table_destroy (theme->style_sets_by_name); - for (i = 0; i < META_FRAME_TYPE_LAST; i++) if (theme->style_sets_by_type[i]) meta_frame_style_set_unref (theme->style_sets_by_type[i]); @@ -4753,127 +1211,6 @@ meta_theme_free (MetaTheme *theme) g_free (theme); } -gboolean -meta_theme_validate (MetaTheme *theme, - GError **error) -{ - int i; - - g_return_val_if_fail (theme != NULL, FALSE); - - /* FIXME what else should be checked? */ - - g_assert (theme->name); - - if (theme->readable_name == NULL) - { - /* Translators: This error means that a necessary XML tag (whose name - * is given in angle brackets) was not found in a given theme (whose - * name is given second, in quotation marks). - */ - g_set_error (error, META_THEME_ERROR, META_THEME_ERROR_FAILED, - _("No <%s> set for theme \"%s\""), "name", theme->name); - return FALSE; - } - - if (theme->author == NULL) - { - g_set_error (error, META_THEME_ERROR, META_THEME_ERROR_FAILED, - _("No <%s> set for theme \"%s\""), "author", theme->name); - return FALSE; - } - - if (theme->date == NULL) - { - g_set_error (error, META_THEME_ERROR, META_THEME_ERROR_FAILED, - _("No <%s> set for theme \"%s\""), "date", theme->name); - return FALSE; - } - - if (theme->description == NULL) - { - g_set_error (error, META_THEME_ERROR, META_THEME_ERROR_FAILED, - _("No <%s> set for theme \"%s\""), "description", theme->name); - return FALSE; - } - - if (theme->copyright == NULL) - { - g_set_error (error, META_THEME_ERROR, META_THEME_ERROR_FAILED, - _("No <%s> set for theme \"%s\""), "copyright", theme->name); - return FALSE; - } - - for (i = 0; i < (int)META_FRAME_TYPE_LAST; i++) - if (i != (int)META_FRAME_TYPE_ATTACHED && theme->style_sets_by_type[i] == NULL) - { - g_set_error (error, META_THEME_ERROR, META_THEME_ERROR_FAILED, - _("No frame style set for window type \"%s\" in theme \"%s\", add a <window type=\"%s\" style_set=\"whatever\"/> element"), - meta_frame_type_to_string (i), - theme->name, - meta_frame_type_to_string (i)); - - return FALSE; - } - - return TRUE; -} - -/** - * meta_theme_load_image: (skip) - * - */ -GdkPixbuf* -meta_theme_load_image (MetaTheme *theme, - const char *filename, - guint size_of_theme_icons, - GError **error) -{ - GdkPixbuf *pixbuf; - - pixbuf = g_hash_table_lookup (theme->images_by_filename, - filename); - - if (pixbuf == NULL) - { - - if (g_str_has_prefix (filename, "theme:") && - META_THEME_ALLOWS (theme, META_THEME_IMAGES_FROM_ICON_THEMES)) - { - pixbuf = gtk_icon_theme_load_icon ( - gtk_icon_theme_get_default (), - filename+6, - size_of_theme_icons, - 0, - error); - if (pixbuf == NULL) return NULL; - } - else - { - char *full_path; - full_path = g_build_filename (theme->dirname, filename, NULL); - - pixbuf = gdk_pixbuf_new_from_file (full_path, error); - if (pixbuf == NULL) - { - g_free (full_path); - return NULL; - } - - g_free (full_path); - } - g_hash_table_replace (theme->images_by_filename, - g_strdup (filename), - pixbuf); - } - - g_assert (pixbuf); - - g_object_ref (G_OBJECT (pixbuf)); - - return pixbuf; -} - static MetaFrameStyle* theme_get_style (MetaTheme *theme, MetaFrameType type, @@ -4887,17 +1224,6 @@ theme_get_style (MetaTheme *theme, style_set = theme->style_sets_by_type[type]; - if (style_set == NULL && type == META_FRAME_TYPE_ATTACHED) - style_set = theme->style_sets_by_type[META_FRAME_TYPE_BORDER]; - - /* Right now the parser forces a style set for all other types, - * but this fallback code is here in case I take that out. - */ - if (style_set == NULL) - style_set = theme->style_sets_by_type[META_FRAME_TYPE_NORMAL]; - if (style_set == NULL) - return NULL; - switch (flags & (META_FRAME_MAXIMIZED | META_FRAME_SHADED | META_FRAME_TILED_LEFT | META_FRAME_TILED_RIGHT)) { @@ -5290,273 +1616,6 @@ meta_theme_calc_geometry (MetaTheme *theme, theme); } -MetaFrameLayout* -meta_theme_lookup_layout (MetaTheme *theme, - const char *name) -{ - return g_hash_table_lookup (theme->layouts_by_name, name); -} - -void -meta_theme_insert_layout (MetaTheme *theme, - const char *name, - MetaFrameLayout *layout) -{ - meta_frame_layout_ref (layout); - g_hash_table_replace (theme->layouts_by_name, g_strdup (name), layout); -} - -MetaDrawOpList* -meta_theme_lookup_draw_op_list (MetaTheme *theme, - const char *name) -{ - return g_hash_table_lookup (theme->draw_op_lists_by_name, name); -} - -void -meta_theme_insert_draw_op_list (MetaTheme *theme, - const char *name, - MetaDrawOpList *op_list) -{ - meta_draw_op_list_ref (op_list); - g_hash_table_replace (theme->draw_op_lists_by_name, g_strdup (name), op_list); -} - -MetaFrameStyle* -meta_theme_lookup_style (MetaTheme *theme, - const char *name) -{ - return g_hash_table_lookup (theme->styles_by_name, name); -} - -void -meta_theme_insert_style (MetaTheme *theme, - const char *name, - MetaFrameStyle *style) -{ - meta_frame_style_ref (style); - g_hash_table_replace (theme->styles_by_name, g_strdup (name), style); -} - -MetaFrameStyleSet* -meta_theme_lookup_style_set (MetaTheme *theme, - const char *name) -{ - return g_hash_table_lookup (theme->style_sets_by_name, name); -} - -void -meta_theme_insert_style_set (MetaTheme *theme, - const char *name, - MetaFrameStyleSet *style_set) -{ - meta_frame_style_set_ref (style_set); - g_hash_table_replace (theme->style_sets_by_name, g_strdup (name), style_set); -} - -static gboolean -first_uppercase (const char *str) -{ - return g_ascii_isupper (*str); -} - -gboolean -meta_theme_define_int_constant (MetaTheme *theme, - const char *name, - int value, - GError **error) -{ - if (theme->integer_constants == NULL) - theme->integer_constants = g_hash_table_new_full (g_str_hash, - g_str_equal, - g_free, - NULL); - - if (!first_uppercase (name)) - { - g_set_error (error, META_THEME_ERROR, META_THEME_ERROR_FAILED, - _("User-defined constants must begin with a capital letter; \"%s\" does not"), - name); - return FALSE; - } - - if (g_hash_table_lookup_extended (theme->integer_constants, name, NULL, NULL)) - { - g_set_error (error, META_THEME_ERROR, META_THEME_ERROR_FAILED, - _("Constant \"%s\" has already been defined"), - name); - - return FALSE; - } - - g_hash_table_insert (theme->integer_constants, - g_strdup (name), - GINT_TO_POINTER (value)); - - return TRUE; -} - -gboolean -meta_theme_lookup_int_constant (MetaTheme *theme, - const char *name, - int *value) -{ - gpointer old_value; - - *value = 0; - - if (theme->integer_constants == NULL) - return FALSE; - - if (g_hash_table_lookup_extended (theme->integer_constants, - name, NULL, &old_value)) - { - *value = GPOINTER_TO_INT (old_value); - return TRUE; - } - else - { - return FALSE; - } -} - -gboolean -meta_theme_define_float_constant (MetaTheme *theme, - const char *name, - double value, - GError **error) -{ - double *d; - - if (theme->float_constants == NULL) - theme->float_constants = g_hash_table_new_full (g_str_hash, - g_str_equal, - g_free, - g_free); - - if (!first_uppercase (name)) - { - g_set_error (error, META_THEME_ERROR, META_THEME_ERROR_FAILED, - _("User-defined constants must begin with a capital letter; \"%s\" does not"), - name); - return FALSE; - } - - if (g_hash_table_lookup_extended (theme->float_constants, name, NULL, NULL)) - { - g_set_error (error, META_THEME_ERROR, META_THEME_ERROR_FAILED, - _("Constant \"%s\" has already been defined"), - name); - - return FALSE; - } - - d = g_new (double, 1); - *d = value; - - g_hash_table_insert (theme->float_constants, - g_strdup (name), d); - - return TRUE; -} - -gboolean -meta_theme_lookup_float_constant (MetaTheme *theme, - const char *name, - double *value) -{ - double *d; - - *value = 0.0; - - if (theme->float_constants == NULL) - return FALSE; - - d = g_hash_table_lookup (theme->float_constants, name); - - if (d) - { - *value = *d; - return TRUE; - } - else - { - return FALSE; - } -} - -gboolean -meta_theme_define_color_constant (MetaTheme *theme, - const char *name, - const char *value, - GError **error) -{ - if (theme->color_constants == NULL) - theme->color_constants = g_hash_table_new_full (g_str_hash, - g_str_equal, - g_free, - NULL); - - if (!first_uppercase (name)) - { - g_set_error (error, META_THEME_ERROR, META_THEME_ERROR_FAILED, - _("User-defined constants must begin with a capital letter; \"%s\" does not"), - name); - return FALSE; - } - - if (g_hash_table_lookup_extended (theme->color_constants, name, NULL, NULL)) - { - g_set_error (error, META_THEME_ERROR, META_THEME_ERROR_FAILED, - _("Constant \"%s\" has already been defined"), - name); - - return FALSE; - } - - g_hash_table_insert (theme->color_constants, - g_strdup (name), - g_strdup (value)); - - return TRUE; -} - -/** - * meta_theme_lookup_color_constant: - * @theme: the theme containing the constant - * @name: the name of the constant - * @value: (out): the string representation of the colour, or %NULL if it - * doesn't exist - * - * Looks up a colour constant. - * - * Returns: %TRUE if it exists, %FALSE otherwise - */ -gboolean -meta_theme_lookup_color_constant (MetaTheme *theme, - const char *name, - char **value) -{ - char *result; - - *value = NULL; - - if (theme->color_constants == NULL) - return FALSE; - - result = g_hash_table_lookup (theme->color_constants, name); - - if (result) - { - *value = result; - return TRUE; - } - else - { - return FALSE; - } -} - /** * meta_pango_font_desc_get_text_height: * @font_desc: the font @@ -5585,328 +1644,6 @@ meta_pango_font_desc_get_text_height (const PangoFontDescription *font_desc, return retval; } -MetaGtkColorComponent -meta_color_component_from_string (const char *str) -{ - if (strcmp ("fg", str) == 0) - return META_GTK_COLOR_FG; - else if (strcmp ("bg", str) == 0) - return META_GTK_COLOR_BG; - else if (strcmp ("light", str) == 0) - return META_GTK_COLOR_LIGHT; - else if (strcmp ("dark", str) == 0) - return META_GTK_COLOR_DARK; - else if (strcmp ("mid", str) == 0) - return META_GTK_COLOR_MID; - else if (strcmp ("text", str) == 0) - return META_GTK_COLOR_TEXT; - else if (strcmp ("base", str) == 0) - return META_GTK_COLOR_BASE; - else if (strcmp ("text_aa", str) == 0) - return META_GTK_COLOR_TEXT_AA; - else - return META_GTK_COLOR_LAST; -} - -MetaButtonState -meta_button_state_from_string (const char *str) -{ - if (strcmp ("normal", str) == 0) - return META_BUTTON_STATE_NORMAL; - else if (strcmp ("pressed", str) == 0) - return META_BUTTON_STATE_PRESSED; - else if (strcmp ("prelight", str) == 0) - return META_BUTTON_STATE_PRELIGHT; - else - return META_BUTTON_STATE_LAST; -} - -const char* -meta_button_state_to_string (MetaButtonState state) -{ - switch (state) - { - case META_BUTTON_STATE_NORMAL: - return "normal"; - case META_BUTTON_STATE_PRESSED: - return "pressed"; - case META_BUTTON_STATE_PRELIGHT: - return "prelight"; - case META_BUTTON_STATE_LAST: - break; - } - - return "<unknown>"; -} - -MetaButtonType -meta_button_type_from_string (const char *str, MetaTheme *theme) -{ - if (META_THEME_ALLOWS(theme, META_THEME_SHADE_STICK_ABOVE_BUTTONS)) - { - if (strcmp ("shade", str) == 0) - return META_BUTTON_TYPE_SHADE; - else if (strcmp ("above", str) == 0) - return META_BUTTON_TYPE_ABOVE; - else if (strcmp ("stick", str) == 0) - return META_BUTTON_TYPE_STICK; - else if (strcmp ("unshade", str) == 0) - return META_BUTTON_TYPE_UNSHADE; - else if (strcmp ("unabove", str) == 0) - return META_BUTTON_TYPE_UNABOVE; - else if (strcmp ("unstick", str) == 0) - return META_BUTTON_TYPE_UNSTICK; - } - - if (strcmp ("close", str) == 0) - return META_BUTTON_TYPE_CLOSE; - else if (strcmp ("maximize", str) == 0) - return META_BUTTON_TYPE_MAXIMIZE; - else if (strcmp ("minimize", str) == 0) - return META_BUTTON_TYPE_MINIMIZE; - else if (strcmp ("menu", str) == 0) - return META_BUTTON_TYPE_MENU; - else if (strcmp ("appmenu", str) == 0) - return META_BUTTON_TYPE_APPMENU; - else if (strcmp ("left_left_background", str) == 0) - return META_BUTTON_TYPE_LEFT_LEFT_BACKGROUND; - else if (strcmp ("left_middle_background", str) == 0) - return META_BUTTON_TYPE_LEFT_MIDDLE_BACKGROUND; - else if (strcmp ("left_right_background", str) == 0) - return META_BUTTON_TYPE_LEFT_RIGHT_BACKGROUND; - else if (strcmp ("left_single_background", str) == 0) - return META_BUTTON_TYPE_LEFT_SINGLE_BACKGROUND; - else if (strcmp ("right_left_background", str) == 0) - return META_BUTTON_TYPE_RIGHT_LEFT_BACKGROUND; - else if (strcmp ("right_middle_background", str) == 0) - return META_BUTTON_TYPE_RIGHT_MIDDLE_BACKGROUND; - else if (strcmp ("right_right_background", str) == 0) - return META_BUTTON_TYPE_RIGHT_RIGHT_BACKGROUND; - else if (strcmp ("right_single_background", str) == 0) - return META_BUTTON_TYPE_RIGHT_SINGLE_BACKGROUND; - else - return META_BUTTON_TYPE_LAST; -} - -const char* -meta_button_type_to_string (MetaButtonType type) -{ - switch (type) - { - case META_BUTTON_TYPE_CLOSE: - return "close"; - case META_BUTTON_TYPE_MAXIMIZE: - return "maximize"; - case META_BUTTON_TYPE_MINIMIZE: - return "minimize"; - case META_BUTTON_TYPE_SHADE: - return "shade"; - case META_BUTTON_TYPE_ABOVE: - return "above"; - case META_BUTTON_TYPE_STICK: - return "stick"; - case META_BUTTON_TYPE_UNSHADE: - return "unshade"; - case META_BUTTON_TYPE_UNABOVE: - return "unabove"; - case META_BUTTON_TYPE_UNSTICK: - return "unstick"; - case META_BUTTON_TYPE_MENU: - return "menu"; - case META_BUTTON_TYPE_APPMENU: - return "appmenu"; - case META_BUTTON_TYPE_LEFT_LEFT_BACKGROUND: - return "left_left_background"; - case META_BUTTON_TYPE_LEFT_MIDDLE_BACKGROUND: - return "left_middle_background"; - case META_BUTTON_TYPE_LEFT_RIGHT_BACKGROUND: - return "left_right_background"; - case META_BUTTON_TYPE_LEFT_SINGLE_BACKGROUND: - return "left_single_background"; - case META_BUTTON_TYPE_RIGHT_LEFT_BACKGROUND: - return "right_left_background"; - case META_BUTTON_TYPE_RIGHT_MIDDLE_BACKGROUND: - return "right_middle_background"; - case META_BUTTON_TYPE_RIGHT_RIGHT_BACKGROUND: - return "right_right_background"; - case META_BUTTON_TYPE_RIGHT_SINGLE_BACKGROUND: - return "right_single_background"; - case META_BUTTON_TYPE_LAST: - break; - } - - return "<unknown>"; -} - -MetaFramePiece -meta_frame_piece_from_string (const char *str) -{ - if (strcmp ("entire_background", str) == 0) - return META_FRAME_PIECE_ENTIRE_BACKGROUND; - else if (strcmp ("titlebar", str) == 0) - return META_FRAME_PIECE_TITLEBAR; - else if (strcmp ("titlebar_middle", str) == 0) - return META_FRAME_PIECE_TITLEBAR_MIDDLE; - else if (strcmp ("left_titlebar_edge", str) == 0) - return META_FRAME_PIECE_LEFT_TITLEBAR_EDGE; - else if (strcmp ("right_titlebar_edge", str) == 0) - return META_FRAME_PIECE_RIGHT_TITLEBAR_EDGE; - else if (strcmp ("top_titlebar_edge", str) == 0) - return META_FRAME_PIECE_TOP_TITLEBAR_EDGE; - else if (strcmp ("bottom_titlebar_edge", str) == 0) - return META_FRAME_PIECE_BOTTOM_TITLEBAR_EDGE; - else if (strcmp ("title", str) == 0) - return META_FRAME_PIECE_TITLE; - else if (strcmp ("left_edge", str) == 0) - return META_FRAME_PIECE_LEFT_EDGE; - else if (strcmp ("right_edge", str) == 0) - return META_FRAME_PIECE_RIGHT_EDGE; - else if (strcmp ("bottom_edge", str) == 0) - return META_FRAME_PIECE_BOTTOM_EDGE; - else if (strcmp ("overlay", str) == 0) - return META_FRAME_PIECE_OVERLAY; - else - return META_FRAME_PIECE_LAST; -} - -MetaFrameState -meta_frame_state_from_string (const char *str) -{ - if (strcmp ("normal", str) == 0) - return META_FRAME_STATE_NORMAL; - else if (strcmp ("maximized", str) == 0) - return META_FRAME_STATE_MAXIMIZED; - else if (strcmp ("tiled_left", str) == 0) - return META_FRAME_STATE_TILED_LEFT; - else if (strcmp ("tiled_right", str) == 0) - return META_FRAME_STATE_TILED_RIGHT; - else if (strcmp ("shaded", str) == 0) - return META_FRAME_STATE_SHADED; - else if (strcmp ("maximized_and_shaded", str) == 0) - return META_FRAME_STATE_MAXIMIZED_AND_SHADED; - else if (strcmp ("tiled_left_and_shaded", str) == 0) - return META_FRAME_STATE_TILED_LEFT_AND_SHADED; - else if (strcmp ("tiled_right_and_shaded", str) == 0) - return META_FRAME_STATE_TILED_RIGHT_AND_SHADED; - else - return META_FRAME_STATE_LAST; -} - -const char* -meta_frame_state_to_string (MetaFrameState state) -{ - switch (state) - { - case META_FRAME_STATE_NORMAL: - return "normal"; - case META_FRAME_STATE_MAXIMIZED: - return "maximized"; - case META_FRAME_STATE_TILED_LEFT: - return "tiled_left"; - case META_FRAME_STATE_TILED_RIGHT: - return "tiled_right"; - case META_FRAME_STATE_SHADED: - return "shaded"; - case META_FRAME_STATE_MAXIMIZED_AND_SHADED: - return "maximized_and_shaded"; - case META_FRAME_STATE_TILED_LEFT_AND_SHADED: - return "tiled_left_and_shaded"; - case META_FRAME_STATE_TILED_RIGHT_AND_SHADED: - return "tiled_right_and_shaded"; - case META_FRAME_STATE_LAST: - break; - } - - return "<unknown>"; -} - -MetaFrameResize -meta_frame_resize_from_string (const char *str) -{ - if (strcmp ("none", str) == 0) - return META_FRAME_RESIZE_NONE; - else if (strcmp ("vertical", str) == 0) - return META_FRAME_RESIZE_VERTICAL; - else if (strcmp ("horizontal", str) == 0) - return META_FRAME_RESIZE_HORIZONTAL; - else if (strcmp ("both", str) == 0) - return META_FRAME_RESIZE_BOTH; - else - return META_FRAME_RESIZE_LAST; -} - -const char* -meta_frame_resize_to_string (MetaFrameResize resize) -{ - switch (resize) - { - case META_FRAME_RESIZE_NONE: - return "none"; - case META_FRAME_RESIZE_VERTICAL: - return "vertical"; - case META_FRAME_RESIZE_HORIZONTAL: - return "horizontal"; - case META_FRAME_RESIZE_BOTH: - return "both"; - case META_FRAME_RESIZE_LAST: - break; - } - - return "<unknown>"; -} - -MetaFrameFocus -meta_frame_focus_from_string (const char *str) -{ - if (strcmp ("no", str) == 0) - return META_FRAME_FOCUS_NO; - else if (strcmp ("yes", str) == 0) - return META_FRAME_FOCUS_YES; - else - return META_FRAME_FOCUS_LAST; -} - -const char* -meta_frame_focus_to_string (MetaFrameFocus focus) -{ - switch (focus) - { - case META_FRAME_FOCUS_NO: - return "no"; - case META_FRAME_FOCUS_YES: - return "yes"; - case META_FRAME_FOCUS_LAST: - break; - } - - return "<unknown>"; -} - -MetaFrameType -meta_frame_type_from_string (const char *str) -{ - if (strcmp ("normal", str) == 0) - return META_FRAME_TYPE_NORMAL; - else if (strcmp ("dialog", str) == 0) - return META_FRAME_TYPE_DIALOG; - else if (strcmp ("modal_dialog", str) == 0) - return META_FRAME_TYPE_MODAL_DIALOG; - else if (strcmp ("utility", str) == 0) - return META_FRAME_TYPE_UTILITY; - else if (strcmp ("menu", str) == 0) - return META_FRAME_TYPE_MENU; - else if (strcmp ("border", str) == 0) - return META_FRAME_TYPE_BORDER; - else if (strcmp ("attached", str) == 0) - return META_FRAME_TYPE_ATTACHED; -#if 0 - else if (strcmp ("toolbar", str) == 0) - return META_FRAME_TYPE_TOOLBAR; -#endif - else - return META_FRAME_TYPE_LAST; -} - /** * meta_frame_type_to_string: * @type: a #MetaFrameType @@ -5945,352 +1682,3 @@ meta_frame_type_to_string (MetaFrameType type) return "<unknown>"; } - -MetaGradientType -meta_gradient_type_from_string (const char *str) -{ - if (strcmp ("vertical", str) == 0) - return META_GRADIENT_VERTICAL; - else if (strcmp ("horizontal", str) == 0) - return META_GRADIENT_HORIZONTAL; - else if (strcmp ("diagonal", str) == 0) - return META_GRADIENT_DIAGONAL; - else - return META_GRADIENT_LAST; -} - -GtkStateFlags -meta_gtk_state_from_string (const char *str) -{ - if (g_ascii_strcasecmp ("normal", str) == 0) - return GTK_STATE_FLAG_NORMAL; - else if (g_ascii_strcasecmp ("prelight", str) == 0) - return GTK_STATE_FLAG_PRELIGHT; - else if (g_ascii_strcasecmp ("active", str) == 0) - return GTK_STATE_FLAG_ACTIVE; - else if (g_ascii_strcasecmp ("selected", str) == 0) - return GTK_STATE_FLAG_SELECTED; - else if (g_ascii_strcasecmp ("insensitive", str) == 0) - return GTK_STATE_FLAG_INSENSITIVE; - else if (g_ascii_strcasecmp ("inconsistent", str) == 0) - return GTK_STATE_FLAG_INCONSISTENT; - else if (g_ascii_strcasecmp ("focused", str) == 0) - return GTK_STATE_FLAG_FOCUSED; - else if (g_ascii_strcasecmp ("backdrop", str) == 0) - return GTK_STATE_FLAG_BACKDROP; - else - return -1; /* hack */ -} - -GtkShadowType -meta_gtk_shadow_from_string (const char *str) -{ - if (strcmp ("none", str) == 0) - return GTK_SHADOW_NONE; - else if (strcmp ("in", str) == 0) - return GTK_SHADOW_IN; - else if (strcmp ("out", str) == 0) - return GTK_SHADOW_OUT; - else if (strcmp ("etched_in", str) == 0) - return GTK_SHADOW_ETCHED_IN; - else if (strcmp ("etched_out", str) == 0) - return GTK_SHADOW_ETCHED_OUT; - else - return -1; -} - -GtkArrowType -meta_gtk_arrow_from_string (const char *str) -{ - if (strcmp ("up", str) == 0) - return GTK_ARROW_UP; - else if (strcmp ("down", str) == 0) - return GTK_ARROW_DOWN; - else if (strcmp ("left", str) == 0) - return GTK_ARROW_LEFT; - else if (strcmp ("right", str) == 0) - return GTK_ARROW_RIGHT; - else if (strcmp ("none", str) == 0) - return GTK_ARROW_NONE; - else - return -1; -} - -/** - * meta_image_fill_type_from_string: - * @str: a string representing a fill_type - * - * Returns a fill_type from a string. The inverse of - * meta_image_fill_type_to_string(). - * - * Returns: the fill type, or -1 if it represents no fill type. - */ -MetaImageFillType -meta_image_fill_type_from_string (const char *str) -{ - if (strcmp ("tile", str) == 0) - return META_IMAGE_FILL_TILE; - else if (strcmp ("scale", str) == 0) - return META_IMAGE_FILL_SCALE; - else - return -1; -} - -/** - * gtk_style_shade: - * @a: the starting colour - * @b: (out): the resulting colour - * @k: amount to scale lightness and saturation by - * - * Takes a colour "a", scales the lightness and saturation by a certain amount, - * and sets "b" to the resulting colour. - * gtkstyle.c cut-and-pastage. - */ -static void -gtk_style_shade (GdkRGBA *a, - GdkRGBA *b, - gdouble k) -{ - gdouble red; - gdouble green; - gdouble blue; - - red = a->red; - green = a->green; - blue = a->blue; - - rgb_to_hls (&red, &green, &blue); - - green *= k; - if (green > 1.0) - green = 1.0; - else if (green < 0.0) - green = 0.0; - - blue *= k; - if (blue > 1.0) - blue = 1.0; - else if (blue < 0.0) - blue = 0.0; - - hls_to_rgb (&red, &green, &blue); - - b->red = red; - b->green = green; - b->blue = blue; - b->alpha = a->alpha; -} - -/** - * rgb_to_hls: - * @r: on input, red; on output, hue - * @g: on input, green; on output, lightness - * @b: on input, blue; on output, saturation - * - * Converts a red/green/blue triplet to a hue/lightness/saturation triplet. - */ -static void -rgb_to_hls (gdouble *r, - gdouble *g, - gdouble *b) -{ - gdouble min; - gdouble max; - gdouble red; - gdouble green; - gdouble blue; - gdouble h, l, s; - gdouble delta; - - red = *r; - green = *g; - blue = *b; - - if (red > green) - { - if (red > blue) - max = red; - else - max = blue; - - if (green < blue) - min = green; - else - min = blue; - } - else - { - if (green > blue) - max = green; - else - max = blue; - - if (red < blue) - min = red; - else - min = blue; - } - - l = (max + min) / 2; - s = 0; - h = 0; - - if (max != min) - { - if (l <= 0.5) - s = (max - min) / (max + min); - else - s = (max - min) / (2 - max - min); - - delta = max -min; - if (red == max) - h = (green - blue) / delta; - else if (green == max) - h = 2 + (blue - red) / delta; - else if (blue == max) - h = 4 + (red - green) / delta; - - h *= 60; - if (h < 0.0) - h += 360; - } - - *r = h; - *g = l; - *b = s; -} - -/** - * hls_to_rgb: - * @h: on input, hue; on output, red - * @l: on input, lightness; on output, green - * @s: on input, saturation; on output, blue - * - * Converts a hue/lightness/saturation triplet to a red/green/blue triplet. - */ -static void -hls_to_rgb (gdouble *h, - gdouble *l, - gdouble *s) -{ - gdouble hue; - gdouble lightness; - gdouble saturation; - gdouble m1, m2; - gdouble r, g, b; - - lightness = *l; - saturation = *s; - - if (lightness <= 0.5) - m2 = lightness * (1 + saturation); - else - m2 = lightness + saturation - lightness * saturation; - m1 = 2 * lightness - m2; - - if (saturation == 0) - { - *h = lightness; - *l = lightness; - *s = lightness; - } - else - { - hue = *h + 120; - while (hue > 360) - hue -= 360; - while (hue < 0) - hue += 360; - - if (hue < 60) - r = m1 + (m2 - m1) * hue / 60; - else if (hue < 180) - r = m2; - else if (hue < 240) - r = m1 + (m2 - m1) * (240 - hue) / 60; - else - r = m1; - - hue = *h; - while (hue > 360) - hue -= 360; - while (hue < 0) - hue += 360; - - if (hue < 60) - g = m1 + (m2 - m1) * hue / 60; - else if (hue < 180) - g = m2; - else if (hue < 240) - g = m1 + (m2 - m1) * (240 - hue) / 60; - else - g = m1; - - hue = *h - 120; - while (hue > 360) - hue -= 360; - while (hue < 0) - hue += 360; - - if (hue < 60) - b = m1 + (m2 - m1) * hue / 60; - else if (hue < 180) - b = m2; - else if (hue < 240) - b = m1 + (m2 - m1) * (240 - hue) / 60; - else - b = m1; - - *h = r; - *l = g; - *s = b; - } -} - -/** - * meta_theme_earliest_version_with_button: - * @type: the button type - * - * Returns the earliest version of the theme format which required support - * for a particular button. (For example, "shade" first appeared in v2, and - * "close" in v1.) - * - * Returns: the number of the theme format - */ -guint -meta_theme_earliest_version_with_button (MetaButtonType type) -{ - switch (type) - { - case META_BUTTON_TYPE_CLOSE: - case META_BUTTON_TYPE_MAXIMIZE: - case META_BUTTON_TYPE_MINIMIZE: - case META_BUTTON_TYPE_MENU: - case META_BUTTON_TYPE_LEFT_LEFT_BACKGROUND: - case META_BUTTON_TYPE_LEFT_MIDDLE_BACKGROUND: - case META_BUTTON_TYPE_LEFT_RIGHT_BACKGROUND: - case META_BUTTON_TYPE_RIGHT_LEFT_BACKGROUND: - case META_BUTTON_TYPE_RIGHT_MIDDLE_BACKGROUND: - case META_BUTTON_TYPE_RIGHT_RIGHT_BACKGROUND: - return 1000; - - case META_BUTTON_TYPE_SHADE: - case META_BUTTON_TYPE_ABOVE: - case META_BUTTON_TYPE_STICK: - case META_BUTTON_TYPE_UNSHADE: - case META_BUTTON_TYPE_UNABOVE: - case META_BUTTON_TYPE_UNSTICK: - return 2000; - - case META_BUTTON_TYPE_LEFT_SINGLE_BACKGROUND: - case META_BUTTON_TYPE_RIGHT_SINGLE_BACKGROUND: - return 3003; - - case META_BUTTON_TYPE_APPMENU: - return 3005; - - default: - meta_warning("Unknown button %d\n", type); - return 1000; - } -}