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2f4a68c8c3
The order and way include macros were structured was chaotic, with no real common thread between files. Try to tidy up the mess with some common scheme, to make things look less messy.
284 lines
8.5 KiB
C
284 lines
8.5 KiB
C
/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
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/* Metacity Theme Rendering */
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/*
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* Copyright (C) 2001 Havoc Pennington
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef META_THEME_PRIVATE_H
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#define META_THEME_PRIVATE_H
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#include <gtk/gtk.h>
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#include "meta/boxes.h"
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#include "meta/common.h"
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#include "meta/theme.h"
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/**
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* MetaStyleInfo: (skip)
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*
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*/
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typedef struct _MetaStyleInfo MetaStyleInfo;
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/**
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* MetaFrameLayout: (skip)
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*
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*/
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typedef struct _MetaFrameLayout MetaFrameLayout;
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/**
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* MetaButtonSpace: (skip)
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*
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*/
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typedef struct _MetaButtonSpace MetaButtonSpace;
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/**
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* MetaFrameGeometry: (skip)
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*
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*/
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typedef struct _MetaFrameGeometry MetaFrameGeometry;
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/**
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* Various parameters used to calculate the geometry of a frame.
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**/
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struct _MetaFrameLayout
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{
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/** Invisible border required by the theme */
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GtkBorder invisible_border;
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/** Border/padding of the entire frame */
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GtkBorder frame_border;
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/** Border/padding of the titlebar region */
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GtkBorder titlebar_border;
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/** Border/padding of titlebar buttons */
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GtkBorder button_border;
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/** Margin of title */
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GtkBorder title_margin;
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/** Margin of titlebar buttons */
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GtkBorder button_margin;
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/** Min size of titlebar region */
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GtkRequisition titlebar_min_size;
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/** Min size of titlebar buttons */
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GtkRequisition button_min_size;
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/** Size of images in buttons */
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guint icon_size;
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/** Space between titlebar elements */
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guint titlebar_spacing;
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/** scale factor for title text */
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double title_scale;
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/** Whether title text will be displayed */
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guint has_title : 1;
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/** Whether we should hide the buttons */
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guint hide_buttons : 1;
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/** Radius of the top left-hand corner; 0 if not rounded */
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guint top_left_corner_rounded_radius;
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/** Radius of the top right-hand corner; 0 if not rounded */
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guint top_right_corner_rounded_radius;
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/** Radius of the bottom left-hand corner; 0 if not rounded */
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guint bottom_left_corner_rounded_radius;
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/** Radius of the bottom right-hand corner; 0 if not rounded */
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guint bottom_right_corner_rounded_radius;
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};
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/**
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* The computed size of a button (really just a way of tying its
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* visible and clickable areas together).
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* The reason for two different rectangles here is Fitts' law & maximized
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* windows; see bug #97703 for more details.
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*/
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struct _MetaButtonSpace
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{
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/** The screen area where the button's image is drawn */
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GdkRectangle visible;
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/** The screen area where the button can be activated by clicking */
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GdkRectangle clickable;
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};
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/**
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* Calculated actual geometry of the frame
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*/
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struct _MetaFrameGeometry
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{
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MetaFrameBorders borders;
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int width;
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int height;
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GdkRectangle title_rect;
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GtkBorder content_border;
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/* used for a memset hack */
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#define ADDRESS_OF_BUTTON_RECTS(fgeom) (((char*)(fgeom)) + G_STRUCT_OFFSET (MetaFrameGeometry, close_rect))
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#define LENGTH_OF_BUTTON_RECTS (G_STRUCT_OFFSET (MetaFrameGeometry, appmenu_rect) + sizeof (MetaButtonSpace) - G_STRUCT_OFFSET (MetaFrameGeometry, close_rect))
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/* The button rects (if changed adjust memset hack) */
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MetaButtonSpace close_rect;
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MetaButtonSpace max_rect;
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MetaButtonSpace min_rect;
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MetaButtonSpace menu_rect;
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MetaButtonSpace appmenu_rect;
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/* End of button rects (if changed adjust memset hack) */
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/* Saved button layout */
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MetaButtonLayout button_layout;
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int n_left_buttons;
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int n_right_buttons;
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/* Round corners */
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guint top_left_corner_rounded_radius;
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guint top_right_corner_rounded_radius;
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guint bottom_left_corner_rounded_radius;
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guint bottom_right_corner_rounded_radius;
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};
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typedef enum
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{
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META_BUTTON_STATE_NORMAL,
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META_BUTTON_STATE_PRESSED,
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META_BUTTON_STATE_PRELIGHT,
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META_BUTTON_STATE_LAST
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} MetaButtonState;
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typedef enum
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{
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META_BUTTON_TYPE_CLOSE,
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META_BUTTON_TYPE_MAXIMIZE,
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META_BUTTON_TYPE_MINIMIZE,
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META_BUTTON_TYPE_MENU,
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META_BUTTON_TYPE_APPMENU,
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META_BUTTON_TYPE_LAST
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} MetaButtonType;
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typedef enum
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{
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META_STYLE_ELEMENT_WINDOW,
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META_STYLE_ELEMENT_FRAME,
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META_STYLE_ELEMENT_TITLEBAR,
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META_STYLE_ELEMENT_TITLE,
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META_STYLE_ELEMENT_BUTTON,
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META_STYLE_ELEMENT_IMAGE,
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META_STYLE_ELEMENT_LAST
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} MetaStyleElement;
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struct _MetaStyleInfo
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{
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int refcount;
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GtkStyleContext *styles[META_STYLE_ELEMENT_LAST];
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};
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/* Kinds of frame...
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*
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* normal -> focused / unfocused
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* max -> focused / unfocused
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* shaded -> focused / unfocused
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* max/shaded -> focused / unfocused
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*
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* so 4 states with 2 sub-states each, meaning 8 total
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*
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* 8 window states times 7 or 8 window types. Except some
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* window types never get a frame so that narrows it down a bit.
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*
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*/
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typedef enum
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{
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META_FRAME_STATE_NORMAL,
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META_FRAME_STATE_MAXIMIZED,
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META_FRAME_STATE_TILED_LEFT,
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META_FRAME_STATE_TILED_RIGHT,
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META_FRAME_STATE_SHADED,
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META_FRAME_STATE_MAXIMIZED_AND_SHADED,
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META_FRAME_STATE_TILED_LEFT_AND_SHADED,
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META_FRAME_STATE_TILED_RIGHT_AND_SHADED,
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META_FRAME_STATE_LAST
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} MetaFrameState;
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typedef enum
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{
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META_FRAME_FOCUS_NO,
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META_FRAME_FOCUS_YES,
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META_FRAME_FOCUS_LAST
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} MetaFrameFocus;
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/**
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* A theme. This is a singleton class which groups all settings from a theme
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* together.
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*/
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struct _MetaTheme
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{
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MetaFrameLayout *layouts[META_FRAME_TYPE_LAST];
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};
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void meta_frame_layout_apply_scale (const MetaFrameLayout *layout,
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PangoFontDescription *font_desc);
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MetaFrameLayout* meta_theme_get_frame_layout (MetaTheme *theme,
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MetaFrameType type);
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MetaStyleInfo * meta_theme_create_style_info (GdkScreen *screen,
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const gchar *variant);
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MetaStyleInfo * meta_style_info_ref (MetaStyleInfo *style);
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void meta_style_info_unref (MetaStyleInfo *style_info);
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void meta_style_info_set_flags (MetaStyleInfo *style_info,
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MetaFrameFlags flags);
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PangoFontDescription * meta_style_info_create_font_desc (MetaStyleInfo *style_info);
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void meta_theme_draw_frame (MetaTheme *theme,
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MetaStyleInfo *style_info,
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cairo_t *cr,
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MetaFrameType type,
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MetaFrameFlags flags,
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int client_width,
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int client_height,
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PangoLayout *title_layout,
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int text_height,
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const MetaButtonLayout *button_layout,
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MetaButtonState button_states[META_BUTTON_TYPE_LAST],
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cairo_surface_t *mini_icon);
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void meta_theme_get_frame_borders (MetaTheme *theme,
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MetaStyleInfo *style_info,
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MetaFrameType type,
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int text_height,
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MetaFrameFlags flags,
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MetaFrameBorders *borders);
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void meta_theme_calc_geometry (MetaTheme *theme,
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MetaStyleInfo *style_info,
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MetaFrameType type,
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int text_height,
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MetaFrameFlags flags,
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int client_width,
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int client_height,
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const MetaButtonLayout *button_layout,
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MetaFrameGeometry *fgeom);
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/* random stuff */
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int meta_pango_font_desc_get_text_height (const PangoFontDescription *font_desc,
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PangoContext *context);
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int meta_theme_get_window_scaling_factor (void);
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#endif /* META_THEME_PRIVATE_H */
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