4 * Copyright 2001 Sun Microsystems Inc.
6 * Erwann Chenede <erwann.chenede@sun.com>
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Library General Public
10 * License as published by the Free Software Foundation; either
11 * version 2 of the License, or (at your option) any later version.
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Library General Public License for more details.
18 * You should have received a copy of the GNU Library General Public
19 * License along with this library. If not, see <http://www.gnu.org/licenses/>.
24 #include "gdkscreen-x11.h"
25 #include "gdkdisplay-x11.h"
26 #include "gdkprivate-x11.h"
33 #include <X11/Xatom.h>
35 #ifdef HAVE_SOLARIS_XINERAMA
36 #include <X11/extensions/xinerama.h>
38 #ifdef HAVE_XFREE_XINERAMA
39 #include <X11/extensions/Xinerama.h>
43 #include <X11/extensions/Xrandr.h>
47 #include <X11/extensions/Xfixes.h>
50 #include "gdksettings.c"
52 static void gdk_x11_screen_dispose (GObject *object);
53 static void gdk_x11_screen_finalize (GObject *object);
54 static void init_randr_support (GdkScreen *screen);
55 static void deinit_multihead (GdkScreen *screen);
59 WINDOW_MANAGER_CHANGED,
63 static guint signals[LAST_SIGNAL] = { 0 };
65 G_DEFINE_TYPE (GdkX11Screen, gdk_x11_screen, GDK_TYPE_SCREEN)
67 typedef struct _NetWmSupportedAtoms NetWmSupportedAtoms;
69 struct _NetWmSupportedAtoms
77 GdkRectangle geometry;
87 gdk_x11_screen_init (GdkX11Screen *screen)
92 gdk_x11_screen_get_display (GdkScreen *screen)
94 return GDK_X11_SCREEN (screen)->display;
98 gdk_x11_screen_get_width (GdkScreen *screen)
100 return WidthOfScreen (GDK_X11_SCREEN (screen)->xscreen);
104 gdk_x11_screen_get_height (GdkScreen *screen)
106 return HeightOfScreen (GDK_X11_SCREEN (screen)->xscreen);
110 gdk_x11_screen_get_width_mm (GdkScreen *screen)
112 return WidthMMOfScreen (GDK_X11_SCREEN (screen)->xscreen);
116 gdk_x11_screen_get_height_mm (GdkScreen *screen)
118 return HeightMMOfScreen (GDK_X11_SCREEN (screen)->xscreen);
122 gdk_x11_screen_get_number (GdkScreen *screen)
124 return GDK_X11_SCREEN (screen)->screen_num;
128 gdk_x11_screen_get_root_window (GdkScreen *screen)
130 return GDK_X11_SCREEN (screen)->root_window;
134 _gdk_x11_screen_events_uninit (GdkScreen *screen)
136 GdkX11Screen *x11_screen = GDK_X11_SCREEN (screen);
138 if (x11_screen->xsettings_client)
140 xsettings_client_destroy (x11_screen->xsettings_client);
141 x11_screen->xsettings_client = NULL;
146 gdk_x11_screen_dispose (GObject *object)
148 GdkX11Screen *x11_screen = GDK_X11_SCREEN (object);
151 for (i = 0; i < 32; ++i)
153 if (x11_screen->subwindow_gcs[i])
155 XFreeGC (x11_screen->xdisplay, x11_screen->subwindow_gcs[i]);
156 x11_screen->subwindow_gcs[i] = 0;
160 _gdk_x11_screen_events_uninit (GDK_SCREEN (object));
162 if (x11_screen->root_window)
163 _gdk_window_destroy (x11_screen->root_window, TRUE);
165 G_OBJECT_CLASS (gdk_x11_screen_parent_class)->dispose (object);
167 x11_screen->xdisplay = NULL;
168 x11_screen->xscreen = NULL;
169 x11_screen->screen_num = -1;
170 x11_screen->xroot_window = None;
171 x11_screen->wmspec_check_window = None;
175 gdk_x11_screen_finalize (GObject *object)
177 GdkX11Screen *x11_screen = GDK_X11_SCREEN (object);
180 if (x11_screen->root_window)
181 g_object_unref (x11_screen->root_window);
184 for (i = 0; i < x11_screen->nvisuals; i++)
185 g_object_unref (x11_screen->visuals[i]);
186 g_free (x11_screen->visuals);
187 g_hash_table_destroy (x11_screen->visual_hash);
189 g_free (x11_screen->window_manager_name);
191 deinit_multihead (GDK_SCREEN (object));
193 G_OBJECT_CLASS (gdk_x11_screen_parent_class)->finalize (object);
197 gdk_x11_screen_get_n_monitors (GdkScreen *screen)
199 return GDK_X11_SCREEN (screen)->n_monitors;
203 gdk_x11_screen_get_primary_monitor (GdkScreen *screen)
205 return GDK_X11_SCREEN (screen)->primary_monitor;
209 gdk_x11_screen_get_monitor_width_mm (GdkScreen *screen,
212 GdkX11Screen *x11_screen = GDK_X11_SCREEN (screen);
214 return x11_screen->monitors[monitor_num].width_mm;
218 gdk_x11_screen_get_monitor_height_mm (GdkScreen *screen,
221 GdkX11Screen *x11_screen = GDK_X11_SCREEN (screen);
223 return x11_screen->monitors[monitor_num].height_mm;
227 gdk_x11_screen_get_monitor_plug_name (GdkScreen *screen,
230 GdkX11Screen *x11_screen = GDK_X11_SCREEN (screen);
232 return g_strdup (x11_screen->monitors[monitor_num].output_name);
236 * gdk_x11_screen_get_monitor_output:
237 * @screen: (type GdkX11Screen): a #GdkScreen
238 * @monitor_num: number of the monitor, between 0 and gdk_screen_get_n_monitors (screen)
240 * Gets the XID of the specified output/monitor.
241 * If the X server does not support version 1.2 of the RANDR
242 * extension, 0 is returned.
244 * Returns: the XID of the monitor
249 gdk_x11_screen_get_monitor_output (GdkScreen *screen,
252 GdkX11Screen *x11_screen = GDK_X11_SCREEN (screen);
254 g_return_val_if_fail (GDK_IS_SCREEN (screen), None);
255 g_return_val_if_fail (monitor_num >= 0, None);
256 g_return_val_if_fail (monitor_num < x11_screen->n_monitors, None);
258 return x11_screen->monitors[monitor_num].output;
262 gdk_x11_screen_get_monitor_geometry (GdkScreen *screen,
266 GdkX11Screen *x11_screen = GDK_X11_SCREEN (screen);
269 *dest = x11_screen->monitors[monitor_num].geometry;
273 get_current_desktop (GdkScreen *screen)
277 Atom current_desktop, type;
279 unsigned long n_items, bytes_after;
280 unsigned char *data_return = NULL;
283 if (!gdk_x11_screen_supports_net_wm_hint (screen,
284 gdk_atom_intern_static_string ("_NET_CURRENT_DESKTOP")))
287 display = GDK_DISPLAY_XDISPLAY (gdk_screen_get_display (screen));
288 win = XRootWindow (display, GDK_SCREEN_XNUMBER (screen));
290 current_desktop = XInternAtom (display, "_NET_CURRENT_DESKTOP", True);
292 XGetWindowProperty (display,
297 &type, &format, &n_items, &bytes_after,
300 if (type == XA_CARDINAL && format == 32 && n_items > 0)
301 workspace = (int) data_return[0];
310 get_work_area (GdkScreen *screen,
319 gulong max_len = 4 * 32;
320 guchar *ret_workarea;
327 display = GDK_DISPLAY_XDISPLAY (gdk_screen_get_display (screen));
328 disp_screen = GDK_SCREEN_XNUMBER (screen);
329 workarea = XInternAtom (display, "_NET_WORKAREA", True);
331 /* Defaults in case of error */
334 area->width = gdk_screen_get_width (screen);
335 area->height = gdk_screen_get_height (screen);
337 if (!gdk_x11_screen_supports_net_wm_hint (screen,
338 gdk_atom_intern_static_string ("_NET_WORKAREA")))
341 if (workarea == None)
344 win = XRootWindow (display, disp_screen);
345 result = XGetWindowProperty (display,
357 if (result != Success ||
364 desktop = get_current_desktop (screen);
366 workareas = (long *) ret_workarea;
367 area->x = workareas[desktop * 4];
368 area->y = workareas[desktop * 4 + 1];
369 area->width = workareas[desktop * 4 + 2];
370 area->height = workareas[desktop * 4 + 3];
372 XFree (ret_workarea);
376 gdk_x11_screen_get_monitor_workarea (GdkScreen *screen,
380 GdkRectangle workarea;
382 gdk_x11_screen_get_monitor_geometry (screen, monitor_num, dest);
384 /* The EWMH constrains workarea to be a rectangle, so it
385 * can't adequately deal with L-shaped monitor arrangements.
386 * As a workaround, we ignore the workarea for anything
387 * but the primary monitor. Since that is where the 'desktop
388 * chrome' usually lives, this works ok in practice.
390 if (monitor_num == GDK_X11_SCREEN (screen)->primary_monitor)
392 get_work_area (screen, &workarea);
393 if (gdk_rectangle_intersect (dest, &workarea, &workarea))
399 gdk_x11_screen_get_rgba_visual (GdkScreen *screen)
401 GdkX11Screen *x11_screen = GDK_X11_SCREEN (screen);
403 return x11_screen->rgba_visual;
407 * gdk_x11_screen_get_xscreen:
408 * @screen: (type GdkX11Screen): a #GdkScreen
410 * Returns the screen of a #GdkScreen.
412 * Returns: (transfer none): an Xlib <type>Screen*</type>
417 gdk_x11_screen_get_xscreen (GdkScreen *screen)
419 return GDK_X11_SCREEN (screen)->xscreen;
423 * gdk_x11_screen_get_screen_number:
424 * @screen: (type GdkX11Screen): a #GdkScreen
426 * Returns the index of a #GdkScreen.
428 * Returns: the position of @screen among the screens
434 gdk_x11_screen_get_screen_number (GdkScreen *screen)
436 return GDK_X11_SCREEN (screen)->screen_num;
440 check_is_composited (GdkDisplay *display,
441 GdkX11Screen *x11_screen)
443 Atom xselection = gdk_x11_atom_to_xatom_for_display (display, x11_screen->cm_selection_atom);
446 xwindow = XGetSelectionOwner (GDK_DISPLAY_XDISPLAY (display), xselection);
448 return xwindow != None;
452 make_cm_atom (int screen_number)
454 gchar *name = g_strdup_printf ("_NET_WM_CM_S%d", screen_number);
455 GdkAtom atom = gdk_atom_intern (name, FALSE);
461 init_monitor_geometry (GdkX11Monitor *monitor,
462 int x, int y, int width, int height)
464 monitor->geometry.x = x;
465 monitor->geometry.y = y;
466 monitor->geometry.width = width;
467 monitor->geometry.height = height;
469 monitor->output = None;
470 monitor->width_mm = -1;
471 monitor->height_mm = -1;
472 monitor->output_name = NULL;
473 monitor->manufacturer = NULL;
477 init_fake_xinerama (GdkScreen *screen)
479 #ifdef G_ENABLE_DEBUG
480 GdkX11Screen *x11_screen = GDK_X11_SCREEN (screen);
481 XSetWindowAttributes atts;
485 if (!(_gdk_debug_flags & GDK_DEBUG_XINERAMA))
488 /* Fake Xinerama mode by splitting the screen into 4 monitors.
489 * Also draw a little cross to make the monitor boundaries visible.
491 w = WidthOfScreen (x11_screen->xscreen);
492 h = HeightOfScreen (x11_screen->xscreen);
494 x11_screen->n_monitors = 4;
495 x11_screen->monitors = g_new0 (GdkX11Monitor, 4);
496 init_monitor_geometry (&x11_screen->monitors[0], 0, 0, w / 2, h / 2);
497 init_monitor_geometry (&x11_screen->monitors[1], w / 2, 0, w / 2, h / 2);
498 init_monitor_geometry (&x11_screen->monitors[2], 0, h / 2, w / 2, h / 2);
499 init_monitor_geometry (&x11_screen->monitors[3], w / 2, h / 2, w / 2, h / 2);
501 atts.override_redirect = 1;
502 atts.background_pixel = WhitePixel(GDK_SCREEN_XDISPLAY (screen),
503 x11_screen->screen_num);
504 win = XCreateWindow(GDK_SCREEN_XDISPLAY (screen),
505 x11_screen->xroot_window, 0, h / 2, w, 1, 0,
506 DefaultDepth(GDK_SCREEN_XDISPLAY (screen),
507 x11_screen->screen_num),
509 DefaultVisual(GDK_SCREEN_XDISPLAY (screen),
510 x11_screen->screen_num),
511 CWOverrideRedirect|CWBackPixel,
513 XMapRaised(GDK_SCREEN_XDISPLAY (screen), win);
514 win = XCreateWindow(GDK_SCREEN_XDISPLAY (screen),
515 x11_screen->xroot_window, w/2 , 0, 1, h, 0,
516 DefaultDepth(GDK_SCREEN_XDISPLAY (screen),
517 x11_screen->screen_num),
519 DefaultVisual(GDK_SCREEN_XDISPLAY (screen),
520 x11_screen->screen_num),
521 CWOverrideRedirect|CWBackPixel,
523 XMapRaised(GDK_SCREEN_XDISPLAY (screen), win);
531 free_monitors (GdkX11Monitor *monitors,
536 for (i = 0; i < n_monitors; ++i)
538 g_free (monitors[i].output_name);
539 g_free (monitors[i].manufacturer);
547 monitor_compare_function (GdkX11Monitor *monitor1,
548 GdkX11Monitor *monitor2)
550 /* Sort the leftmost/topmost monitors first.
551 * For "cloned" monitors, sort the bigger ones first
552 * (giving preference to taller monitors over wider
556 if (monitor1->geometry.x != monitor2->geometry.x)
557 return monitor1->geometry.x - monitor2->geometry.x;
559 if (monitor1->geometry.y != monitor2->geometry.y)
560 return monitor1->geometry.y - monitor2->geometry.y;
562 if (monitor1->geometry.height != monitor2->geometry.height)
563 return - (monitor1->geometry.height - monitor2->geometry.height);
565 if (monitor1->geometry.width != monitor2->geometry.width)
566 return - (monitor1->geometry.width - monitor2->geometry.width);
573 init_randr13 (GdkScreen *screen)
576 GdkDisplay *display = gdk_screen_get_display (screen);
577 GdkX11Display *display_x11 = GDK_X11_DISPLAY (display);
578 GdkX11Screen *x11_screen = GDK_X11_SCREEN (screen);
579 Display *dpy = GDK_SCREEN_XDISPLAY (screen);
580 XRRScreenResources *resources;
581 RROutput primary_output;
582 RROutput first_output = None;
585 gboolean randr12_compat = FALSE;
587 if (!display_x11->have_randr13)
590 resources = XRRGetScreenResourcesCurrent (x11_screen->xdisplay,
591 x11_screen->xroot_window);
595 monitors = g_array_sized_new (FALSE, TRUE, sizeof (GdkX11Monitor),
598 for (i = 0; i < resources->noutput; ++i)
600 XRROutputInfo *output =
601 XRRGetOutputInfo (dpy, resources, resources->outputs[i]);
603 /* Non RandR1.2 X driver have output name "default" */
604 randr12_compat |= !g_strcmp0 (output->name, "default");
606 if (output->connection == RR_Disconnected)
608 XRRFreeOutputInfo (output);
614 GdkX11Monitor monitor;
615 XRRCrtcInfo *crtc = XRRGetCrtcInfo (dpy, resources, output->crtc);
617 monitor.geometry.x = crtc->x;
618 monitor.geometry.y = crtc->y;
619 monitor.geometry.width = crtc->width;
620 monitor.geometry.height = crtc->height;
622 monitor.output = resources->outputs[i];
623 monitor.width_mm = output->mm_width;
624 monitor.height_mm = output->mm_height;
625 monitor.output_name = g_strdup (output->name);
626 /* FIXME: need EDID parser */
627 monitor.manufacturer = NULL;
629 g_array_append_val (monitors, monitor);
631 XRRFreeCrtcInfo (crtc);
634 XRRFreeOutputInfo (output);
637 if (resources->noutput > 0)
638 first_output = resources->outputs[0];
640 XRRFreeScreenResources (resources);
642 /* non RandR 1.2 X driver doesn't return any usable multihead data */
645 guint n_monitors = monitors->len;
647 free_monitors ((GdkX11Monitor *)g_array_free (monitors, FALSE),
653 g_array_sort (monitors,
654 (GCompareFunc) monitor_compare_function);
655 x11_screen->n_monitors = monitors->len;
656 x11_screen->monitors = (GdkX11Monitor *)g_array_free (monitors, FALSE);
658 x11_screen->primary_monitor = 0;
660 primary_output = XRRGetOutputPrimary (x11_screen->xdisplay,
661 x11_screen->xroot_window);
663 for (i = 0; i < x11_screen->n_monitors; ++i)
665 if (x11_screen->monitors[i].output == primary_output)
667 x11_screen->primary_monitor = i;
671 /* No RandR1.3+ available or no primary set, fall back to prefer LVDS as primary if present */
672 if (primary_output == None &&
673 g_ascii_strncasecmp (x11_screen->monitors[i].output_name, "LVDS", 4) == 0)
675 x11_screen->primary_monitor = i;
679 /* No primary specified and no LVDS found */
680 if (x11_screen->monitors[i].output == first_output)
681 x11_screen->primary_monitor = i;
684 return x11_screen->n_monitors > 0;
691 init_solaris_xinerama (GdkScreen *screen)
693 #ifdef HAVE_SOLARIS_XINERAMA
694 Display *dpy = GDK_SCREEN_XDISPLAY (screen);
695 int screen_no = gdk_screen_get_number (screen);
696 GdkX11Screen *x11_screen = GDK_X11_SCREEN (screen);
697 XRectangle monitors[MAXFRAMEBUFFERS];
698 unsigned char hints[16];
703 if (!XineramaGetState (dpy, screen_no))
706 result = XineramaGetInfo (dpy, screen_no, monitors, hints, &n_monitors);
708 /* Yes I know it should be Success but the current implementation
709 * returns the num of monitor
716 x11_screen->monitors = g_new0 (GdkX11Monitor, n_monitors);
717 x11_screen->n_monitors = n_monitors;
719 for (i = 0; i < n_monitors; i++)
721 init_monitor_geometry (&x11_screen->monitors[i],
722 monitors[i].x, monitors[i].y,
723 monitors[i].width, monitors[i].height);
726 x11_screen->primary_monitor = 0;
729 #endif /* HAVE_SOLARIS_XINERAMA */
735 init_xfree_xinerama (GdkScreen *screen)
737 #ifdef HAVE_XFREE_XINERAMA
738 Display *dpy = GDK_SCREEN_XDISPLAY (screen);
739 GdkX11Screen *x11_screen = GDK_X11_SCREEN (screen);
740 XineramaScreenInfo *monitors;
743 if (!XineramaIsActive (dpy))
746 monitors = XineramaQueryScreens (dpy, &n_monitors);
748 if (n_monitors <= 0 || monitors == NULL)
750 /* If Xinerama doesn't think we have any monitors, try acting as
751 * though we had no Xinerama. If the "no monitors" condition
752 * is because XRandR 1.2 is currently switching between CRTCs,
753 * we'll be notified again when we have our monitor back,
754 * and can go back into Xinerama-ish mode at that point.
762 x11_screen->n_monitors = n_monitors;
763 x11_screen->monitors = g_new0 (GdkX11Monitor, n_monitors);
765 for (i = 0; i < n_monitors; ++i)
767 init_monitor_geometry (&x11_screen->monitors[i],
768 monitors[i].x_org, monitors[i].y_org,
769 monitors[i].width, monitors[i].height);
774 x11_screen->primary_monitor = 0;
777 #endif /* HAVE_XFREE_XINERAMA */
783 init_solaris_xinerama_indices (GdkX11Screen *x11_screen)
785 #ifdef HAVE_SOLARIS_XINERAMA
786 XRectangle x_monitors[MAXFRAMEBUFFERS];
787 unsigned char hints[16];
793 if (!XineramaGetState (x11_screen->xdisplay, x11_screen->screen_num))
796 result = XineramaGetInfo (x11_screen->xdisplay, x11_screen->screen_num,
797 x_monitors, hints, &x_n_monitors);
803 for (monitor_num = 0; monitor_num < x11_screen->n_monitors; ++monitor_num)
805 for (i = 0; i < x_n_monitors; ++i)
807 if (x11_screen->monitors[monitor_num].geometry.x == x_monitors[i].x &&
808 x11_screen->monitors[monitor_num].geometry.y == x_monitors[i].y &&
809 x11_screen->monitors[monitor_num].geometry.width == x_monitors[i].width &&
810 x11_screen->monitors[monitor_num].geometry.height == x_monitors[i].height)
812 g_hash_table_insert (x11_screen->xinerama_matches,
813 GINT_TO_POINTER (monitor_num),
814 GINT_TO_POINTER (i));
819 #endif /* HAVE_SOLARIS_XINERAMA */
825 init_xfree_xinerama_indices (GdkX11Screen *x11_screen)
827 #ifdef HAVE_XFREE_XINERAMA
828 XineramaScreenInfo *x_monitors;
833 if (!XineramaIsActive (x11_screen->xdisplay))
836 x_monitors = XineramaQueryScreens (x11_screen->xdisplay, &x_n_monitors);
837 if (x_n_monitors <= 0 || x_monitors == NULL)
845 for (monitor_num = 0; monitor_num < x11_screen->n_monitors; ++monitor_num)
847 for (i = 0; i < x_n_monitors; ++i)
849 if (x11_screen->monitors[monitor_num].geometry.x == x_monitors[i].x_org &&
850 x11_screen->monitors[monitor_num].geometry.y == x_monitors[i].y_org &&
851 x11_screen->monitors[monitor_num].geometry.width == x_monitors[i].width &&
852 x11_screen->monitors[monitor_num].geometry.height == x_monitors[i].height)
854 g_hash_table_insert (x11_screen->xinerama_matches,
855 GINT_TO_POINTER (monitor_num),
856 GINT_TO_POINTER (i));
862 #endif /* HAVE_XFREE_XINERAMA */
868 init_xinerama_indices (GdkX11Screen *x11_screen)
870 int opcode, firstevent, firsterror;
872 x11_screen->xinerama_matches = g_hash_table_new (g_direct_hash, g_direct_equal);
873 if (XQueryExtension (x11_screen->xdisplay, "XINERAMA",
874 &opcode, &firstevent, &firsterror))
876 x11_screen->xinerama_matches = g_hash_table_new (g_direct_hash, g_direct_equal);
878 /* Solaris Xinerama first, then XFree/Xorg Xinerama
879 * to match the order in init_multihead()
881 if (init_solaris_xinerama_indices (x11_screen) == FALSE)
882 init_xfree_xinerama_indices (x11_screen);
887 _gdk_x11_screen_get_xinerama_index (GdkScreen *screen,
890 GdkX11Screen *x11_screen = GDK_X11_SCREEN (screen);
893 g_return_val_if_fail (monitor_num < x11_screen->n_monitors, -1);
895 if (x11_screen->xinerama_matches == NULL)
896 init_xinerama_indices (x11_screen);
898 if (g_hash_table_lookup_extended (x11_screen->xinerama_matches, GINT_TO_POINTER (monitor_num), NULL, &val))
899 return (GPOINTER_TO_INT(val));
905 _gdk_x11_screen_get_edge_monitors (GdkScreen *screen,
911 GdkX11Screen *x11_screen = GDK_X11_SCREEN (screen);
912 gint top_most_pos = HeightOfScreen (GDK_X11_SCREEN (screen)->xscreen);
913 gint left_most_pos = WidthOfScreen (GDK_X11_SCREEN (screen)->xscreen);
914 gint bottom_most_pos = 0;
915 gint right_most_pos = 0;
918 for (monitor_num = 0; monitor_num < x11_screen->n_monitors; monitor_num++)
920 gint monitor_x = x11_screen->monitors[monitor_num].geometry.x;
921 gint monitor_y = x11_screen->monitors[monitor_num].geometry.y;
922 gint monitor_max_x = monitor_x + x11_screen->monitors[monitor_num].geometry.width;
923 gint monitor_max_y = monitor_y + x11_screen->monitors[monitor_num].geometry.height;
925 if (left && left_most_pos > monitor_x)
927 left_most_pos = monitor_x;
930 if (right && right_most_pos < monitor_max_x)
932 right_most_pos = monitor_max_x;
933 *right = monitor_num;
935 if (top && top_most_pos > monitor_y)
937 top_most_pos = monitor_y;
940 if (bottom && bottom_most_pos < monitor_max_y)
942 bottom_most_pos = monitor_max_y;
943 *bottom = monitor_num;
949 deinit_multihead (GdkScreen *screen)
951 GdkX11Screen *x11_screen = GDK_X11_SCREEN (screen);
953 free_monitors (x11_screen->monitors, x11_screen->n_monitors);
954 g_clear_pointer (&x11_screen->xinerama_matches, g_hash_table_destroy);
956 x11_screen->n_monitors = 0;
957 x11_screen->monitors = NULL;
961 compare_monitor (GdkX11Monitor *m1,
964 if (m1->geometry.x != m2->geometry.x ||
965 m1->geometry.y != m2->geometry.y ||
966 m1->geometry.width != m2->geometry.width ||
967 m1->geometry.height != m2->geometry.height)
970 if (m1->width_mm != m2->width_mm ||
971 m1->height_mm != m2->height_mm)
974 if (g_strcmp0 (m1->output_name, m2->output_name) != 0)
977 if (g_strcmp0 (m1->manufacturer, m2->manufacturer) != 0)
984 compare_monitors (GdkX11Monitor *monitors1, gint n_monitors1,
985 GdkX11Monitor *monitors2, gint n_monitors2)
989 if (n_monitors1 != n_monitors2)
992 for (i = 0; i < n_monitors1; i++)
994 if (!compare_monitor (monitors1 + i, monitors2 + i))
1002 init_multihead (GdkScreen *screen)
1004 GdkX11Screen *x11_screen = GDK_X11_SCREEN (screen);
1005 int opcode, firstevent, firsterror;
1007 /* There are four different implementations of multihead support:
1009 * 1. Fake Xinerama for debugging purposes
1011 * 3. Solaris Xinerama
1012 * 4. XFree86/Xorg Xinerama
1014 * We use them in that order.
1016 if (init_fake_xinerama (screen))
1019 if (init_randr13 (screen))
1022 if (XQueryExtension (GDK_SCREEN_XDISPLAY (screen), "XINERAMA",
1023 &opcode, &firstevent, &firsterror))
1025 if (init_solaris_xinerama (screen))
1028 if (init_xfree_xinerama (screen))
1032 /* No multihead support of any kind for this screen */
1033 x11_screen->n_monitors = 1;
1034 x11_screen->monitors = g_new0 (GdkX11Monitor, 1);
1035 x11_screen->primary_monitor = 0;
1037 init_monitor_geometry (x11_screen->monitors, 0, 0,
1038 WidthOfScreen (x11_screen->xscreen),
1039 HeightOfScreen (x11_screen->xscreen));
1043 _gdk_x11_screen_new (GdkDisplay *display,
1047 GdkX11Screen *x11_screen;
1048 GdkX11Display *display_x11 = GDK_X11_DISPLAY (display);
1050 screen = g_object_new (GDK_TYPE_X11_SCREEN, NULL);
1052 x11_screen = GDK_X11_SCREEN (screen);
1053 x11_screen->display = display;
1054 x11_screen->xdisplay = display_x11->xdisplay;
1055 x11_screen->xscreen = ScreenOfDisplay (display_x11->xdisplay, screen_number);
1056 x11_screen->screen_num = screen_number;
1057 x11_screen->xroot_window = RootWindow (display_x11->xdisplay,screen_number);
1058 x11_screen->wmspec_check_window = None;
1059 /* we want this to be always non-null */
1060 x11_screen->window_manager_name = g_strdup ("unknown");
1062 init_multihead (screen);
1063 init_randr_support (screen);
1065 _gdk_x11_screen_init_visuals (screen);
1066 _gdk_x11_screen_init_root_window (screen);
1072 * It is important that we first request the selection
1073 * notification, and then setup the initial state of
1074 * is_composited to avoid a race condition here.
1077 _gdk_x11_screen_setup (GdkScreen *screen)
1079 GdkX11Screen *x11_screen = GDK_X11_SCREEN (screen);
1081 x11_screen->cm_selection_atom = make_cm_atom (x11_screen->screen_num);
1082 gdk_display_request_selection_notification (x11_screen->display,
1083 x11_screen->cm_selection_atom);
1084 x11_screen->is_composited = check_is_composited (x11_screen->display, x11_screen);
1088 gdk_x11_screen_is_composited (GdkScreen *screen)
1090 GdkX11Screen *x11_screen = GDK_X11_SCREEN (screen);
1092 return x11_screen->is_composited;
1096 init_randr_support (GdkScreen *screen)
1098 GdkX11Screen *x11_screen = GDK_X11_SCREEN (screen);
1100 XSelectInput (GDK_SCREEN_XDISPLAY (screen),
1101 x11_screen->xroot_window,
1102 StructureNotifyMask);
1105 if (!GDK_X11_DISPLAY (gdk_screen_get_display (screen))->have_randr12)
1108 XRRSelectInput (GDK_SCREEN_XDISPLAY (screen),
1109 x11_screen->xroot_window,
1110 RRScreenChangeNotifyMask
1111 | RRCrtcChangeNotifyMask
1112 | RROutputPropertyNotifyMask);
1117 process_monitors_change (GdkScreen *screen)
1119 GdkX11Screen *x11_screen = GDK_X11_SCREEN (screen);
1121 gint primary_monitor;
1122 GdkX11Monitor *monitors;
1125 primary_monitor = x11_screen->primary_monitor;
1126 n_monitors = x11_screen->n_monitors;
1127 monitors = x11_screen->monitors;
1129 x11_screen->n_monitors = 0;
1130 x11_screen->monitors = NULL;
1132 init_multihead (screen);
1135 !compare_monitors (monitors, n_monitors,
1136 x11_screen->monitors, x11_screen->n_monitors) ||
1137 x11_screen->primary_monitor != primary_monitor;
1140 free_monitors (monitors, n_monitors);
1143 g_signal_emit_by_name (screen, "monitors-changed");
1147 _gdk_x11_screen_size_changed (GdkScreen *screen,
1152 GdkX11Display *display_x11;
1155 width = gdk_screen_get_width (screen);
1156 height = gdk_screen_get_height (screen);
1159 display_x11 = GDK_X11_DISPLAY (gdk_screen_get_display (screen));
1161 if (display_x11->have_randr13 && event->type == ConfigureNotify)
1164 XRRUpdateConfiguration (event);
1166 if (event->type == ConfigureNotify)
1168 XConfigureEvent *rcevent = (XConfigureEvent *) event;
1169 Screen *xscreen = gdk_x11_screen_get_xscreen (screen);
1171 xscreen->width = rcevent->width;
1172 xscreen->height = rcevent->height;
1178 process_monitors_change (screen);
1180 if (width != gdk_screen_get_width (screen) ||
1181 height != gdk_screen_get_height (screen))
1182 g_signal_emit_by_name (screen, "size-changed");
1186 _gdk_x11_screen_window_manager_changed (GdkScreen *screen)
1188 g_signal_emit (screen, signals[WINDOW_MANAGER_CHANGED], 0);
1192 _gdk_x11_screen_process_owner_change (GdkScreen *screen,
1196 XFixesSelectionNotifyEvent *selection_event = (XFixesSelectionNotifyEvent *)event;
1197 GdkX11Screen *x11_screen = GDK_X11_SCREEN (screen);
1198 Atom xcm_selection_atom = gdk_x11_atom_to_xatom_for_display (x11_screen->display,
1199 x11_screen->cm_selection_atom);
1201 if (selection_event->selection == xcm_selection_atom)
1203 gboolean composited = selection_event->owner != None;
1205 if (composited != x11_screen->is_composited)
1207 x11_screen->is_composited = composited;
1209 g_signal_emit_by_name (screen, "composited-changed");
1216 substitute_screen_number (const gchar *display_name,
1222 str = g_string_new (display_name);
1224 p = strrchr (str->str, '.');
1225 if (p && p > strchr (str->str, ':'))
1226 g_string_truncate (str, p - str->str);
1228 g_string_append_printf (str, ".%d", screen_number);
1230 return g_string_free (str, FALSE);
1234 gdk_x11_screen_make_display_name (GdkScreen *screen)
1236 const gchar *old_display;
1238 old_display = gdk_display_get_name (gdk_screen_get_display (screen));
1240 return substitute_screen_number (old_display,
1241 gdk_screen_get_number (screen));
1245 gdk_x11_screen_get_active_window (GdkScreen *screen)
1247 GdkX11Screen *x11_screen = GDK_X11_SCREEN (screen);
1248 GdkWindow *ret = NULL;
1251 gulong nitems_return;
1252 gulong bytes_after_return;
1253 guchar *data = NULL;
1255 if (!gdk_x11_screen_supports_net_wm_hint (screen,
1256 gdk_atom_intern_static_string ("_NET_ACTIVE_WINDOW")))
1259 if (XGetWindowProperty (x11_screen->xdisplay, x11_screen->xroot_window,
1260 gdk_x11_get_xatom_by_name_for_display (x11_screen->display,
1261 "_NET_ACTIVE_WINDOW"),
1262 0, 1, False, XA_WINDOW, &type_return,
1263 &format_return, &nitems_return,
1264 &bytes_after_return, &data)
1267 if ((type_return == XA_WINDOW) && (format_return == 32) && (data))
1269 Window window = *(Window *) data;
1273 ret = gdk_x11_window_foreign_new_for_display (x11_screen->display,
1286 gdk_x11_screen_get_window_stack (GdkScreen *screen)
1288 GdkX11Screen *x11_screen = GDK_X11_SCREEN (screen);
1292 gulong nitems_return;
1293 gulong bytes_after_return;
1294 guchar *data = NULL;
1296 if (!gdk_x11_screen_supports_net_wm_hint (screen,
1297 gdk_atom_intern_static_string ("_NET_CLIENT_LIST_STACKING")))
1300 if (XGetWindowProperty (x11_screen->xdisplay, x11_screen->xroot_window,
1301 gdk_x11_get_xatom_by_name_for_display (x11_screen->display,
1302 "_NET_CLIENT_LIST_STACKING"),
1303 0, G_MAXLONG, False, XA_WINDOW, &type_return,
1304 &format_return, &nitems_return,
1305 &bytes_after_return, &data)
1308 if ((type_return == XA_WINDOW) && (format_return == 32) &&
1309 (data) && (nitems_return > 0))
1311 gulong *stack = (gulong *) data;
1315 for (i = 0; i < nitems_return; i++)
1317 win = gdk_x11_window_foreign_new_for_display (x11_screen->display,
1321 ret = g_list_append (ret, win);
1333 check_transform (const gchar *xsettings_name,
1337 if (!g_value_type_transformable (src_type, dest_type))
1339 g_warning ("Cannot transform xsetting %s of type %s to type %s\n",
1341 g_type_name (src_type),
1342 g_type_name (dest_type));
1350 gdk_x11_screen_get_setting (GdkScreen *screen,
1354 GdkX11Screen *x11_screen = GDK_X11_SCREEN (screen);
1355 const char *xsettings_name = NULL;
1356 XSettingsResult result;
1357 XSettingsSetting *setting = NULL;
1358 gboolean success = FALSE;
1359 GValue tmp_val = G_VALUE_INIT;
1361 xsettings_name = gdk_to_xsettings_name (name);
1362 if (!xsettings_name)
1365 result = xsettings_client_get_setting (x11_screen->xsettings_client,
1366 xsettings_name, &setting);
1367 if (result != XSETTINGS_SUCCESS)
1370 switch (setting->type)
1372 case XSETTINGS_TYPE_INT:
1373 if (check_transform (xsettings_name, G_TYPE_INT, G_VALUE_TYPE (value)))
1375 g_value_init (&tmp_val, G_TYPE_INT);
1376 g_value_set_int (&tmp_val, setting->data.v_int);
1377 g_value_transform (&tmp_val, value);
1382 case XSETTINGS_TYPE_STRING:
1383 if (check_transform (xsettings_name, G_TYPE_STRING, G_VALUE_TYPE (value)))
1385 g_value_init (&tmp_val, G_TYPE_STRING);
1386 g_value_set_string (&tmp_val, setting->data.v_string);
1387 g_value_transform (&tmp_val, value);
1392 case XSETTINGS_TYPE_COLOR:
1393 if (!check_transform (xsettings_name, GDK_TYPE_RGBA, G_VALUE_TYPE (value)))
1397 g_value_init (&tmp_val, GDK_TYPE_RGBA);
1399 rgba.red = setting->data.v_color.red / 65535.0;
1400 rgba.green = setting->data.v_color.green / 65535.0;
1401 rgba.blue = setting->data.v_color.blue / 65535.0;
1402 rgba.alpha = setting->data.v_color.alpha / 65535.0;
1404 g_value_set_boxed (&tmp_val, &rgba);
1406 g_value_transform (&tmp_val, value);
1413 g_value_unset (&tmp_val);
1417 xsettings_setting_free (setting);
1422 return _gdk_x11_get_xft_setting (screen, name, value);
1426 cleanup_atoms(gpointer data)
1428 NetWmSupportedAtoms *supported_atoms = data;
1429 if (supported_atoms->atoms)
1430 XFree (supported_atoms->atoms);
1431 g_free (supported_atoms);
1435 get_net_supporting_wm_check (GdkX11Screen *screen,
1438 GdkDisplay *display;
1446 display = screen->display;
1451 gdk_x11_display_error_trap_push (display);
1452 XGetWindowProperty (screen->xdisplay, window,
1453 gdk_x11_get_xatom_by_name_for_display (display, "_NET_SUPPORTING_WM_CHECK"),
1454 0, G_MAXLONG, False, XA_WINDOW, &type, &format,
1455 &n_items, &bytes_after, &data);
1456 gdk_x11_display_error_trap_pop_ignored (display);
1458 if (type == XA_WINDOW)
1459 value = *(Window *)data;
1468 fetch_net_wm_check_window (GdkScreen *screen)
1470 GdkX11Screen *x11_screen;
1471 GdkDisplay *display;
1476 x11_screen = GDK_X11_SCREEN (screen);
1477 display = x11_screen->display;
1479 g_return_if_fail (GDK_X11_DISPLAY (display)->trusted_client);
1481 if (x11_screen->wmspec_check_window != None)
1482 return; /* already have it */
1484 g_get_current_time (&tv);
1486 if (ABS (tv.tv_sec - x11_screen->last_wmspec_check_time) < 15)
1487 return; /* we've checked recently */
1489 window = get_net_supporting_wm_check (x11_screen, x11_screen->xroot_window);
1493 if (window != get_net_supporting_wm_check (x11_screen, window))
1496 gdk_x11_display_error_trap_push (display);
1498 /* Find out if this WM goes away, so we can reset everything. */
1499 XSelectInput (x11_screen->xdisplay, window, StructureNotifyMask);
1501 error = gdk_x11_display_error_trap_pop (display);
1504 /* We check the window property again because after XGetWindowProperty()
1505 * and before XSelectInput() the window may have been recycled in such a
1506 * way that XSelectInput() doesn't fail but the window is no longer what
1509 if (window != get_net_supporting_wm_check (x11_screen, window))
1512 x11_screen->wmspec_check_window = window;
1513 x11_screen->last_wmspec_check_time = tv.tv_sec;
1514 x11_screen->need_refetch_net_supported = TRUE;
1515 x11_screen->need_refetch_wm_name = TRUE;
1517 /* Careful, reentrancy */
1518 _gdk_x11_screen_window_manager_changed (screen);
1523 * gdk_x11_screen_supports_net_wm_hint:
1524 * @screen: (type GdkX11Screen): the relevant #GdkScreen.
1525 * @property: a property atom.
1527 * This function is specific to the X11 backend of GDK, and indicates
1528 * whether the window manager supports a certain hint from the
1529 * Extended Window Manager Hints Specification. You can find this
1531 * <ulink url="http://www.freedesktop.org">http://www.freedesktop.org</ulink>.
1533 * When using this function, keep in mind that the window manager
1534 * can change over time; so you shouldn't use this function in
1535 * a way that impacts persistent application state. A common bug
1536 * is that your application can start up before the window manager
1537 * does when the user logs in, and before the window manager starts
1538 * gdk_x11_screen_supports_net_wm_hint() will return %FALSE for every property.
1539 * You can monitor the window_manager_changed signal on #GdkScreen to detect
1540 * a window manager change.
1542 * Return value: %TRUE if the window manager supports @property
1547 gdk_x11_screen_supports_net_wm_hint (GdkScreen *screen,
1551 GdkX11Screen *x11_screen;
1552 NetWmSupportedAtoms *supported_atoms;
1553 GdkDisplay *display;
1555 g_return_val_if_fail (GDK_IS_SCREEN (screen), FALSE);
1557 x11_screen = GDK_X11_SCREEN (screen);
1558 display = x11_screen->display;
1560 if (!G_LIKELY (GDK_X11_DISPLAY (display)->trusted_client))
1563 supported_atoms = g_object_get_data (G_OBJECT (screen), "gdk-net-wm-supported-atoms");
1564 if (!supported_atoms)
1566 supported_atoms = g_new0 (NetWmSupportedAtoms, 1);
1567 g_object_set_data_full (G_OBJECT (screen), "gdk-net-wm-supported-atoms", supported_atoms, cleanup_atoms);
1570 fetch_net_wm_check_window (screen);
1572 if (x11_screen->wmspec_check_window == None)
1575 if (x11_screen->need_refetch_net_supported)
1577 /* WM has changed since we last got the supported list,
1584 x11_screen->need_refetch_net_supported = FALSE;
1586 if (supported_atoms->atoms)
1587 XFree (supported_atoms->atoms);
1589 supported_atoms->atoms = NULL;
1590 supported_atoms->n_atoms = 0;
1592 XGetWindowProperty (GDK_DISPLAY_XDISPLAY (display), x11_screen->xroot_window,
1593 gdk_x11_get_xatom_by_name_for_display (display, "_NET_SUPPORTED"),
1594 0, G_MAXLONG, False, XA_ATOM, &type, &format,
1595 &supported_atoms->n_atoms, &bytes_after,
1596 (guchar **)&supported_atoms->atoms);
1598 if (type != XA_ATOM)
1602 if (supported_atoms->atoms == NULL)
1606 while (i < supported_atoms->n_atoms)
1608 if (supported_atoms->atoms[i] == gdk_x11_atom_to_xatom_for_display (display, property))
1618 refcounted_grab_server (Display *xdisplay)
1620 GdkDisplay *display = gdk_x11_lookup_xdisplay (xdisplay);
1622 gdk_x11_display_grab (display);
1626 refcounted_ungrab_server (Display *xdisplay)
1628 GdkDisplay *display = gdk_x11_lookup_xdisplay (xdisplay);
1630 gdk_x11_display_ungrab (display);
1633 static GdkFilterReturn
1634 gdk_xsettings_client_event_filter (GdkXEvent *xevent,
1638 GdkX11Screen *screen = data;
1640 if (xsettings_client_process_event (screen->xsettings_client, (XEvent *)xevent))
1641 return GDK_FILTER_REMOVE;
1643 return GDK_FILTER_CONTINUE;
1647 gdk_xsettings_watch_cb (Window window,
1653 GdkScreen *screen = cb_data;
1655 gdkwin = gdk_x11_window_lookup_for_display (gdk_screen_get_display (screen), window);
1660 g_object_ref (gdkwin);
1663 gdkwin = gdk_x11_window_foreign_new_for_display (gdk_screen_get_display (screen), window);
1665 /* gdk_window_foreign_new_for_display() can fail and return NULL if the
1666 * window has already been destroyed.
1672 gdk_window_add_filter (gdkwin, gdk_xsettings_client_event_filter, screen);
1678 /* gdkwin should not be NULL here, since if starting the watch succeeded
1679 * we have a reference on the window. It might mean that the caller didn't
1680 * remove the watch when it got a DestroyNotify event. Or maybe the
1681 * caller ignored the return value when starting the watch failed.
1683 g_warning ("gdk_xsettings_watch_cb(): Couldn't find window to unwatch");
1687 gdk_window_remove_filter (gdkwin, gdk_xsettings_client_event_filter, screen);
1688 g_object_unref (gdkwin);
1695 gdk_xsettings_notify_cb (const char *name,
1696 XSettingsAction action,
1697 XSettingsSetting *setting,
1701 GdkScreen *screen = data;
1702 GdkX11Screen *x11_screen = data;
1704 if (x11_screen->xsettings_in_init)
1707 new_event.type = GDK_SETTING;
1708 new_event.setting.window = gdk_screen_get_root_window (screen);
1709 new_event.setting.send_event = FALSE;
1710 new_event.setting.name = (char*) gdk_from_xsettings_name (name);
1712 if (!new_event.setting.name)
1717 case XSETTINGS_ACTION_NEW:
1718 new_event.setting.action = GDK_SETTING_ACTION_NEW;
1720 case XSETTINGS_ACTION_CHANGED:
1721 new_event.setting.action = GDK_SETTING_ACTION_CHANGED;
1723 case XSETTINGS_ACTION_DELETED:
1724 new_event.setting.action = GDK_SETTING_ACTION_DELETED;
1728 gdk_event_put (&new_event);
1732 _gdk_x11_screen_init_events (GdkScreen *screen)
1734 GdkX11Screen *x11_screen = GDK_X11_SCREEN (screen);
1736 /* Keep a flag to avoid extra notifies that we don't need
1738 x11_screen->xsettings_in_init = TRUE;
1739 x11_screen->xsettings_client = xsettings_client_new_with_grab_funcs (x11_screen->xdisplay,
1740 x11_screen->screen_num,
1741 gdk_xsettings_notify_cb,
1742 gdk_xsettings_watch_cb,
1744 refcounted_grab_server,
1745 refcounted_ungrab_server);
1746 x11_screen->xsettings_in_init = FALSE;
1750 * gdk_x11_screen_get_window_manager_name:
1751 * @screen: (type GdkX11Screen): a #GdkScreen
1753 * Returns the name of the window manager for @screen.
1755 * Return value: the name of the window manager screen @screen, or
1756 * "unknown" if the window manager is unknown. The string is owned by GDK
1757 * and should not be freed.
1762 gdk_x11_screen_get_window_manager_name (GdkScreen *screen)
1764 GdkX11Screen *x11_screen;
1765 GdkDisplay *display;
1767 x11_screen = GDK_X11_SCREEN (screen);
1768 display = x11_screen->display;
1770 if (!G_LIKELY (GDK_X11_DISPLAY (display)->trusted_client))
1771 return x11_screen->window_manager_name;
1773 fetch_net_wm_check_window (screen);
1775 if (x11_screen->need_refetch_wm_name)
1777 /* Get the name of the window manager */
1778 x11_screen->need_refetch_wm_name = FALSE;
1780 g_free (x11_screen->window_manager_name);
1781 x11_screen->window_manager_name = g_strdup ("unknown");
1783 if (x11_screen->wmspec_check_window != None)
1793 gdk_x11_display_error_trap_push (display);
1795 XGetWindowProperty (GDK_DISPLAY_XDISPLAY (display),
1796 x11_screen->wmspec_check_window,
1797 gdk_x11_get_xatom_by_name_for_display (display,
1799 0, G_MAXLONG, False,
1800 gdk_x11_get_xatom_by_name_for_display (display,
1803 &n_items, &bytes_after,
1806 gdk_x11_display_error_trap_pop_ignored (display);
1810 g_free (x11_screen->window_manager_name);
1811 x11_screen->window_manager_name = g_strdup (name);
1817 return GDK_X11_SCREEN (screen)->window_manager_name;
1821 gdk_x11_screen_class_init (GdkX11ScreenClass *klass)
1823 GObjectClass *object_class = G_OBJECT_CLASS (klass);
1824 GdkScreenClass *screen_class = GDK_SCREEN_CLASS (klass);
1826 object_class->dispose = gdk_x11_screen_dispose;
1827 object_class->finalize = gdk_x11_screen_finalize;
1829 screen_class->get_display = gdk_x11_screen_get_display;
1830 screen_class->get_width = gdk_x11_screen_get_width;
1831 screen_class->get_height = gdk_x11_screen_get_height;
1832 screen_class->get_width_mm = gdk_x11_screen_get_width_mm;
1833 screen_class->get_height_mm = gdk_x11_screen_get_height_mm;
1834 screen_class->get_number = gdk_x11_screen_get_number;
1835 screen_class->get_root_window = gdk_x11_screen_get_root_window;
1836 screen_class->get_n_monitors = gdk_x11_screen_get_n_monitors;
1837 screen_class->get_primary_monitor = gdk_x11_screen_get_primary_monitor;
1838 screen_class->get_monitor_width_mm = gdk_x11_screen_get_monitor_width_mm;
1839 screen_class->get_monitor_height_mm = gdk_x11_screen_get_monitor_height_mm;
1840 screen_class->get_monitor_plug_name = gdk_x11_screen_get_monitor_plug_name;
1841 screen_class->get_monitor_geometry = gdk_x11_screen_get_monitor_geometry;
1842 screen_class->get_monitor_workarea = gdk_x11_screen_get_monitor_workarea;
1843 screen_class->get_system_visual = _gdk_x11_screen_get_system_visual;
1844 screen_class->get_rgba_visual = gdk_x11_screen_get_rgba_visual;
1845 screen_class->is_composited = gdk_x11_screen_is_composited;
1846 screen_class->make_display_name = gdk_x11_screen_make_display_name;
1847 screen_class->get_active_window = gdk_x11_screen_get_active_window;
1848 screen_class->get_window_stack = gdk_x11_screen_get_window_stack;
1849 screen_class->get_setting = gdk_x11_screen_get_setting;
1850 screen_class->visual_get_best_depth = _gdk_x11_screen_visual_get_best_depth;
1851 screen_class->visual_get_best_type = _gdk_x11_screen_visual_get_best_type;
1852 screen_class->visual_get_best = _gdk_x11_screen_visual_get_best;
1853 screen_class->visual_get_best_with_depth = _gdk_x11_screen_visual_get_best_with_depth;
1854 screen_class->visual_get_best_with_type = _gdk_x11_screen_visual_get_best_with_type;
1855 screen_class->visual_get_best_with_both = _gdk_x11_screen_visual_get_best_with_both;
1856 screen_class->query_depths = _gdk_x11_screen_query_depths;
1857 screen_class->query_visual_types = _gdk_x11_screen_query_visual_types;
1858 screen_class->list_visuals = _gdk_x11_screen_list_visuals;
1860 signals[WINDOW_MANAGER_CHANGED] =
1861 g_signal_new (g_intern_static_string ("window-manager-changed"),
1862 G_OBJECT_CLASS_TYPE (object_class),
1864 G_STRUCT_OFFSET (GdkX11ScreenClass, window_manager_changed),
1866 g_cclosure_marshal_VOID__VOID,