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The app menu is in the process of being retired[0], and the shell stopped displaying it while applications are in the process of dropping it. It therefore doesn't make sense to always show a fallback menu in server-side decorations, applications that still set the menu can rely on GTK+'s own fallback instead. [0] https://gitlab.gnome.org/GNOME/Initiatives/wikis/App-Menu-Retirement https://gitlab.gnome.org/GNOME/gnome-shell/issues/624
282 lines
8.5 KiB
C
282 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, menu_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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/* 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_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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