1 /* GDK - The GIMP Drawing Kit
2  * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
3  *
4  * This library is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Lesser General Public
6  * License as published by the Free Software Foundation; either
7  * version 2 of the License, or (at your option) any later version.
8  *
9  * This library is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12  * Lesser General Public License for more details.
13  *
14  * You should have received a copy of the GNU Lesser General Public
15  * License along with this library. If not, see <http://www.gnu.org/licenses/>.
16  */
17 
18 /*
19  * Modified by the GTK+ Team and others 1997-2000.  See the AUTHORS
20  * file for a list of people on the GTK+ Team.  See the ChangeLog
21  * files for a list of changes.  These files are distributed with
22  * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
23  */
24 
25 #ifndef __GDK_X11_SURFACE__
26 #define __GDK_X11_SURFACE__
27 
28 #include "gdksurfaceprivate.h"
29 #include "gdkx11surface.h"
30 #include "gdkinternals.h"
31 
32 #include <X11/Xlib.h>
33 
34 #ifdef HAVE_XSYNC
35 #include <X11/Xlib.h>
36 #include <X11/extensions/sync.h>
37 #endif
38 
39 G_BEGIN_DECLS
40 
41 typedef struct _GdkToplevelX11 GdkToplevelX11;
42 typedef struct _GdkXPositionInfo GdkXPositionInfo;
43 
44 struct _GdkX11Surface
45 {
46   GdkSurface parent_instance;
47 
48   Window xid;
49 
50   GdkToplevelX11 *toplevel;	/* Toplevel-specific information */
51   GdkCursor *cursor;
52 
53   guint no_bg : 1;        /* Set when the window background is temporarily
54                            * unset during resizing and scaling */
55   guint override_redirect : 1;
56   guint frame_clock_connected : 1;
57   guint frame_sync_enabled : 1;
58   guint tracking_damage: 1;
59 
60   int surface_scale;
61 
62   int shadow_left;
63   int shadow_right;
64   int shadow_top;
65   int shadow_bottom;
66 
67   /* Width and height not divided by surface_scale - this matters in the
68    * corner-case where the window manager assigns us a size that isn't
69    * a multiple of surface_scale - for example for a maximized window
70    * with an odd-sized title-bar.
71    */
72   int unscaled_width;
73   int unscaled_height;
74 
75   int last_computed_width;
76   int last_computed_height;
77 
78   GdkToplevelLayout *toplevel_layout;
79 
80   struct {
81     int configured_width;
82     int configured_height;
83     gboolean configure_pending;
84     gboolean surface_geometry_dirty;
85   } next_layout;
86 
87   guint compute_size_source_id;
88 
89   cairo_surface_t *cairo_surface;
90   /* EGLSurface */ gpointer egl_surface;
91   /* GLXDrawable */ XID glx_drawable;
92   guint32 glx_frame_counter;
93 
94   int abs_x;
95   int abs_y;
96 
97   guint64 map_time;
98 
99   GList *surface_is_on_monitor;
100 };
101 
102 struct _GdkX11SurfaceClass
103 {
104   GdkSurfaceClass parent_class;
105 };
106 
107 struct _GdkToplevelX11
108 {
109 
110   /* Set if the window, or any descendent of it, is the server's focus window
111    */
112   guint has_focus_window : 1;
113 
114   /* Set if window->has_focus_window and the focus isn't grabbed elsewhere.
115    */
116   guint has_focus : 1;
117 
118   /* Set if the pointer is inside this window. (This is needed for
119    * for focus tracking)
120    */
121   guint has_pointer : 1;
122 
123   /* Set if the window is a descendent of the focus window and the pointer is
124    * inside it. (This is the case where the window will receive keystroke
125    * events even window->has_focus_window is FALSE)
126    */
127   guint has_pointer_focus : 1;
128 
129   /* Set if we are requesting these hints */
130   guint skip_taskbar_hint : 1;
131   guint skip_pager_hint : 1;
132   guint urgency_hint : 1;
133 
134   guint on_all_desktops : 1;   /* _NET_WM_STICKY == 0xFFFFFFFF */
135 
136   guint have_maxvert : 1;       /* _NET_WM_STATE_MAXIMIZED_VERT */
137   guint have_maxhorz : 1;       /* _NET_WM_STATE_MAXIMIZED_HORZ */
138   guint have_fullscreen : 1;    /* _NET_WM_STATE_FULLSCREEN */
139   guint have_hidden : 1;	/* _NET_WM_STATE_HIDDEN */
140 
141   guint is_leader : 1;
142 
143   /* Set if the WM is presenting us as focused, i.e. with active decorations
144    */
145   guint have_focused : 1;
146 
147   guint in_frame : 1;
148 
149   /* If we're waiting for damage from the X server after painting a frame */
150   guint frame_still_painting : 1;
151 
152   /* If we're expecting a response from the compositor after painting a frame */
153   guint frame_pending : 1;
154 
155   /* Whether pending_counter_value/configure_counter_value are updates
156    * to the extended update counter */
157   guint pending_counter_value_is_extended : 1;
158   guint configure_counter_value_is_extended : 1;
159 
160   gulong map_serial;	/* Serial of last transition from unmapped */
161 
162   cairo_surface_t *icon_pixmap;
163   cairo_surface_t *icon_mask;
164   GdkSurface *group_leader;
165 
166   /* Time of most recent user interaction. */
167   gulong user_time;
168 
169   /* We use an extra X window for toplevel windows that we XSetInputFocus()
170    * to in order to avoid getting keyboard events redirected to subwindows
171    * that might not even be part of this app
172    */
173   Window focus_window;
174 
175   GdkSurfaceHints last_geometry_hints_mask;
176   GdkGeometry last_geometry_hints;
177 
178   /* Constrained edge information */
179   guint edge_constraints;
180 
181 #ifdef HAVE_XSYNC
182   XID update_counter;
183   XID extended_update_counter;
184   gint64 pending_counter_value; /* latest _NET_WM_SYNC_REQUEST value received */
185   gint64 configure_counter_value; /* Latest _NET_WM_SYNC_REQUEST value received
186 				 * where we have also seen the corresponding
187 				 * ConfigureNotify
188 				 */
189   gint64 current_counter_value;
190 
191   /* After a _NET_WM_FRAME_DRAWN message, this is the soonest that we think
192    * frame after will be presented */
193   gint64 throttled_presentation_time;
194 #endif
195 };
196 
197 GdkToplevelX11 *_gdk_x11_surface_get_toplevel        (GdkSurface *window);
198 
199 GdkCursor      *_gdk_x11_surface_get_cursor          (GdkSurface *window);
200 
201 void            _gdk_x11_surface_set_surface_scale   (GdkSurface *window,
202                                                       int        scale);
203 gboolean        _gdk_x11_surface_syncs_frames        (GdkSurface *surface);
204 
205 void            gdk_x11_surface_pre_damage           (GdkSurface *surface);
206 
207 void            gdk_x11_surface_move                 (GdkSurface *surface,
208                                                       int         x,
209                                                       int         y);
210 void            gdk_x11_surface_check_monitor        (GdkSurface *surface,
211                                                       GdkMonitor *monitor);
212 
213 
214 G_END_DECLS
215 
216 #endif /* __GDK_X11_SURFACE__ */
217