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mutter/src/core/screen-private.h
Owen W. Taylor 5ceffe86ee MetaScreen: Add tracking of whether there are fullscreen windows 
Trying to track the fullscreen status outside of Mutter, as GNOME Shell
was doing previously, was very prone to errors, because Mutter has a
very tricky definition of when a window is set to be fullscreen and
*actually* acting like a fullscreen window.

 * Add meta_screen_get_monitor_in_fullscreen() and an
   ::in-fullscreen-changed signal. This allows an application to
   track when there are fullscreen windows on a monitor.

 * Do the computation of fullscreen status in a "later" function that
   runs after showing, so we properly take focus into account.

 * To get ordering of different phases right, add more values
   to MetaLaterType.

 * Add auto-minimization, similar to what was added to GNOME Shell
   earlier in this cycle - if a window is set to be fullscreen, but
   not actually fullscreen, minimize.

https://bugzilla.gnome.org/show_bug.cgi?id=649748
2013-03-18 13:05:22 -04:00

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/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
/**
* \file screen-private.h Screens which Mutter manages
*
* Managing X screens.
* This file contains methods on this class which are available to
* routines in core but not outside it. (See screen.h for the routines
* which the rest of the world is allowed to use.)
*/
/*
* Copyright (C) 2001 Havoc Pennington
* Copyright (C) 2003 Rob Adams
* Copyright (C) 2004-2006 Elijah Newren
*
* 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, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*/
#ifndef META_SCREEN_PRIVATE_H
#define META_SCREEN_PRIVATE_H
#include "display-private.h"
#include <meta/screen.h>
#include <X11/Xutil.h>
#include "stack-tracker.h"
#include "ui.h"
typedef struct _MetaMonitorInfo MetaMonitorInfo;
struct _MetaMonitorInfo
{
int number;
MetaRectangle rect;
gboolean is_primary;
gboolean in_fullscreen;
XID output; /* The primary or first output for this crtc, None if no xrandr */
};
typedef void (* MetaScreenWindowFunc) (MetaScreen *screen, MetaWindow *window,
gpointer user_data);
typedef enum
{
META_SCREEN_UP,
META_SCREEN_DOWN,
META_SCREEN_LEFT,
META_SCREEN_RIGHT
} MetaScreenDirection;
#define META_WIREFRAME_XOR_LINE_WIDTH 2
struct _MetaScreen
{
GObject parent_instance;
MetaDisplay *display;
int number;
char *screen_name;
Screen *xscreen;
Window xroot;
int default_depth;
Visual *default_xvisual;
MetaRectangle rect; /* Size of screen; rect.x & rect.y are always 0 */
MetaUI *ui;
MetaTabPopup *tab_popup, *ws_popup;
MetaTilePreview *tile_preview;
guint tile_preview_timeout_id;
MetaWorkspace *active_workspace;
/* This window holds the focus when we don't want to focus
* any actual clients
*/
Window no_focus_window;
GList *workspaces;
MetaStack *stack;
MetaStackTracker *stack_tracker;
MetaCursor current_cursor;
Window flash_window;
Window wm_sn_selection_window;
Atom wm_sn_atom;
guint32 wm_sn_timestamp;
MetaMonitorInfo *monitor_infos;
int primary_monitor_index;
int n_monitor_infos;
/* Cache the current monitor */
int last_monitor_index;
#ifdef HAVE_STARTUP_NOTIFICATION
SnMonitorContext *sn_context;
GSList *startup_sequences;
guint startup_sequence_timeout;
#endif
Window wm_cm_selection_window;
guint32 wm_cm_timestamp;
guint work_area_later;
guint check_fullscreen_later;
int rows_of_workspaces;
int columns_of_workspaces;
MetaScreenCorner starting_corner;
guint vertical_workspaces : 1;
guint workspace_layout_overridden : 1;
guint keys_grabbed : 1;
guint all_keys_grabbed : 1;
int closing;
/* Managed by compositor.c */
gpointer compositor_data;
/* Instead of unmapping withdrawn windows we can leave them mapped
* and restack them below a guard window. When using a compositor
* this allows us to provide live previews of unmapped windows */
Window guard_window;
};
struct _MetaScreenClass
{
GObjectClass parent_class;
void (*restacked) (MetaScreen *);
void (*workareas_changed) (MetaScreen *);
void (*monitors_changed) (MetaScreen *);
};
MetaScreen* meta_screen_new (MetaDisplay *display,
int number,
guint32 timestamp);
void meta_screen_free (MetaScreen *screen,
guint32 timestamp);
void meta_screen_manage_all_windows (MetaScreen *screen);
void meta_screen_foreach_window (MetaScreen *screen,
MetaScreenWindowFunc func,
gpointer data);
void meta_screen_set_cursor (MetaScreen *screen,
MetaCursor cursor);
void meta_screen_update_cursor (MetaScreen *screen);
void meta_screen_tab_popup_create (MetaScreen *screen,
MetaTabList list_type,
MetaTabShowType show_type,
MetaWindow *initial_window);
void meta_screen_tab_popup_forward (MetaScreen *screen);
void meta_screen_tab_popup_backward (MetaScreen *screen);
MetaWindow* meta_screen_tab_popup_get_selected (MetaScreen *screen);
void meta_screen_tab_popup_destroy (MetaScreen *screen);
void meta_screen_workspace_popup_create (MetaScreen *screen,
MetaWorkspace *initial_selection);
void meta_screen_workspace_popup_select (MetaScreen *screen,
MetaWorkspace *workspace);
MetaWorkspace*meta_screen_workspace_popup_get_selected (MetaScreen *screen);
void meta_screen_workspace_popup_destroy (MetaScreen *screen);
void meta_screen_tile_preview_update (MetaScreen *screen,
gboolean delay);
void meta_screen_tile_preview_hide (MetaScreen *screen);
MetaWindow* meta_screen_get_mouse_window (MetaScreen *screen,
MetaWindow *not_this_one);
const MetaMonitorInfo* meta_screen_get_current_monitor_info (MetaScreen *screen);
const MetaMonitorInfo* meta_screen_get_monitor_for_rect (MetaScreen *screen,
MetaRectangle *rect);
const MetaMonitorInfo* meta_screen_get_monitor_for_window (MetaScreen *screen,
MetaWindow *window);
const MetaMonitorInfo* meta_screen_get_monitor_neighbor (MetaScreen *screen,
int which_monitor,
MetaScreenDirection dir);
void meta_screen_get_natural_monitor_list (MetaScreen *screen,
int** monitors_list,
int* n_monitors);
void meta_screen_update_workspace_layout (MetaScreen *screen);
void meta_screen_update_workspace_names (MetaScreen *screen);
void meta_screen_queue_workarea_recalc (MetaScreen *screen);
void meta_screen_queue_check_fullscreen (MetaScreen *screen);
Window meta_create_offscreen_window (Display *xdisplay,
Window parent,
long valuemask);
typedef struct MetaWorkspaceLayout MetaWorkspaceLayout;
struct MetaWorkspaceLayout
{
int rows;
int cols;
int *grid;
int grid_area;
int current_row;
int current_col;
};
void meta_screen_calc_workspace_layout (MetaScreen *screen,
int num_workspaces,
int current_space,
MetaWorkspaceLayout *layout);
void meta_screen_free_workspace_layout (MetaWorkspaceLayout *layout);
void meta_screen_resize (MetaScreen *screen,
int width,
int height);
void meta_screen_minimize_all_on_active_workspace_except (MetaScreen *screen,
MetaWindow *keep);
/* Show/hide the desktop (temporarily hide all windows) */
void meta_screen_show_desktop (MetaScreen *screen,
guint32 timestamp);
void meta_screen_unshow_desktop (MetaScreen *screen);
/* Update whether the destkop is being shown for the current active_workspace */
void meta_screen_update_showing_desktop_hint (MetaScreen *screen);
gboolean meta_screen_apply_startup_properties (MetaScreen *screen,
MetaWindow *window);
void meta_screen_restacked (MetaScreen *screen);
void meta_screen_workspace_switched (MetaScreen *screen,
int from,
int to,
MetaMotionDirection direction);
void meta_screen_set_active_workspace_hint (MetaScreen *screen);
#endif
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