1 /* GDK - The GIMP Drawing Kit
2 * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
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.
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.
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the
16 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 * Boston, MA 02111-1307, USA.
21 * Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
22 * file for a list of people on the GTK+ Team. See the ChangeLog
23 * files for a list of changes. These files are distributed with
24 * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
28 #include <X11/Xutil.h>
29 #include <X11/Xatom.h>
30 #include <netinet/in.h>
35 #include "gdkwindow.h"
36 #include "gdkinputprivate.h"
37 #include "gdkdisplay-x11.h"
38 #include "gdkprivate-x11.h"
39 #include "gdkregion.h"
40 #include "gdkinternals.h"
42 #include "gdkwindow-x11.h"
50 #include <X11/extensions/shape.h>
53 const int _gdk_event_mask_table[21] =
57 PointerMotionHintMask,
74 SubstructureNotifyMask,
75 ButtonPressMask /* SCROLL; on X mouse wheel events is treated as mouse button 4/5 */
77 const int _gdk_nenvent_masks = sizeof (_gdk_event_mask_table) / sizeof (int);
79 /* Forward declarations */
80 static gboolean gdk_window_gravity_works (GdkWindow *window);
81 static void gdk_window_set_static_win_gravity (GdkWindow *window,
83 static gboolean gdk_window_have_shape_ext (GdkDisplay *display);
84 static gboolean gdk_window_icon_name_set (GdkWindow *window);
85 static void gdk_window_add_colormap_windows (GdkWindow *window);
86 static void set_wm_name (GdkDisplay *display,
90 static GdkColormap* gdk_window_impl_x11_get_colormap (GdkDrawable *drawable);
91 static void gdk_window_impl_x11_set_colormap (GdkDrawable *drawable,
93 static void gdk_window_impl_x11_get_size (GdkDrawable *drawable,
96 static GdkRegion* gdk_window_impl_x11_get_visible_region (GdkDrawable *drawable);
97 static void gdk_window_impl_x11_init (GdkWindowImplX11 *window);
98 static void gdk_window_impl_x11_class_init (GdkWindowImplX11Class *klass);
99 static void gdk_window_impl_x11_finalize (GObject *object);
101 static gpointer parent_class = NULL;
104 gdk_window_impl_x11_get_type (void)
106 static GType object_type = 0;
110 static const GTypeInfo object_info =
112 sizeof (GdkWindowImplX11Class),
113 (GBaseInitFunc) NULL,
114 (GBaseFinalizeFunc) NULL,
115 (GClassInitFunc) gdk_window_impl_x11_class_init,
116 NULL, /* class_finalize */
117 NULL, /* class_data */
118 sizeof (GdkWindowImplX11),
120 (GInstanceInitFunc) gdk_window_impl_x11_init,
123 object_type = g_type_register_static (GDK_TYPE_DRAWABLE_IMPL_X11,
132 _gdk_window_impl_get_type (void)
134 return gdk_window_impl_x11_get_type ();
138 gdk_window_impl_x11_init (GdkWindowImplX11 *impl)
145 gdk_window_impl_x11_class_init (GdkWindowImplX11Class *klass)
147 GObjectClass *object_class = G_OBJECT_CLASS (klass);
148 GdkDrawableClass *drawable_class = GDK_DRAWABLE_CLASS (klass);
150 parent_class = g_type_class_peek_parent (klass);
152 object_class->finalize = gdk_window_impl_x11_finalize;
154 drawable_class->set_colormap = gdk_window_impl_x11_set_colormap;
155 drawable_class->get_colormap = gdk_window_impl_x11_get_colormap;
156 drawable_class->get_size = gdk_window_impl_x11_get_size;
158 /* Visible and clip regions are the same */
159 drawable_class->get_clip_region = gdk_window_impl_x11_get_visible_region;
160 drawable_class->get_visible_region = gdk_window_impl_x11_get_visible_region;
164 gdk_window_impl_x11_finalize (GObject *object)
166 GdkWindowObject *wrapper;
167 GdkDrawableImplX11 *draw_impl;
168 GdkWindowImplX11 *window_impl;
170 g_return_if_fail (GDK_IS_WINDOW_IMPL_X11 (object));
172 draw_impl = GDK_DRAWABLE_IMPL_X11 (object);
173 window_impl = GDK_WINDOW_IMPL_X11 (object);
175 wrapper = (GdkWindowObject*) draw_impl->wrapper;
177 _gdk_xgrab_check_destroy (GDK_WINDOW (wrapper));
179 if (!GDK_WINDOW_DESTROYED (wrapper))
181 _gdk_xid_table_remove (GDK_WINDOW_DISPLAY (object), draw_impl->xid);
182 if (window_impl->focus_window)
183 _gdk_xid_table_remove (GDK_WINDOW_DISPLAY (object), window_impl->focus_window);
186 G_OBJECT_CLASS (parent_class)->finalize (object);
190 gdk_window_impl_x11_get_colormap (GdkDrawable *drawable)
192 GdkDrawableImplX11 *drawable_impl;
193 GdkWindowImplX11 *window_impl;
195 g_return_val_if_fail (GDK_IS_WINDOW_IMPL_X11 (drawable), NULL);
197 drawable_impl = GDK_DRAWABLE_IMPL_X11 (drawable);
198 window_impl = GDK_WINDOW_IMPL_X11 (drawable);
200 if (!((GdkWindowObject *) drawable_impl->wrapper)->input_only &&
201 drawable_impl->colormap == NULL)
203 XWindowAttributes window_attributes;
206 XGetWindowAttributes (GDK_SCREEN_XDISPLAY (drawable_impl->screen),
210 visual = gdk_x11_screen_lookup_visual (drawable_impl->screen,
211 window_attributes.visual->visualid);
212 drawable_impl->colormap = gdk_x11_colormap_foreign_new (visual,
213 window_attributes.colormap);
216 return drawable_impl->colormap;
220 gdk_window_impl_x11_set_colormap (GdkDrawable *drawable,
223 GdkWindowImplX11 *impl;
224 GdkDrawableImplX11 *draw_impl;
226 g_return_if_fail (GDK_IS_WINDOW_IMPL_X11 (drawable));
228 impl = GDK_WINDOW_IMPL_X11 (drawable);
229 draw_impl = GDK_DRAWABLE_IMPL_X11 (drawable);
231 if (cmap && GDK_WINDOW_DESTROYED (draw_impl->wrapper))
235 GDK_DRAWABLE_CLASS (parent_class)->set_colormap (drawable, cmap);
239 XSetWindowColormap (GDK_SCREEN_XDISPLAY (draw_impl->screen),
241 GDK_COLORMAP_XCOLORMAP (cmap));
243 if (((GdkWindowObject*)draw_impl->wrapper)->window_type !=
245 gdk_window_add_colormap_windows (GDK_WINDOW (draw_impl->wrapper));
251 gdk_window_impl_x11_get_size (GdkDrawable *drawable,
255 g_return_if_fail (GDK_IS_WINDOW_IMPL_X11 (drawable));
258 *width = GDK_WINDOW_IMPL_X11 (drawable)->width;
260 *height = GDK_WINDOW_IMPL_X11 (drawable)->height;
264 gdk_window_impl_x11_get_visible_region (GdkDrawable *drawable)
266 GdkWindowImplX11 *impl = GDK_WINDOW_IMPL_X11 (drawable);
267 GdkRectangle result_rect;
271 result_rect.width = impl->width;
272 result_rect.height = impl->height;
274 gdk_rectangle_intersect (&result_rect, &impl->position_info.clip_rect, &result_rect);
276 return gdk_region_rectangle (&result_rect);
280 _gdk_windowing_window_init (GdkScreen * screen)
282 GdkWindowObject *private;
283 GdkWindowImplX11 *impl;
284 GdkDrawableImplX11 *draw_impl;
285 GdkScreenX11 *screen_x11;
286 XWindowAttributes xattributes;
289 unsigned int border_width;
293 screen_x11 = GDK_SCREEN_X11 (screen);
295 g_assert (screen_x11->root_window == NULL);
297 gdk_screen_set_default_colormap (screen,
298 gdk_screen_get_system_colormap (screen));
300 XGetGeometry (screen_x11->xdisplay, screen_x11->xroot_window,
301 &screen_x11->xroot_window, &x, &y, &width, &height, &border_width, &depth);
302 XGetWindowAttributes (screen_x11->xdisplay, screen_x11->xroot_window, &xattributes);
304 screen_x11->root_window = g_object_new (GDK_TYPE_WINDOW, NULL);
305 private = (GdkWindowObject *)screen_x11->root_window;
306 impl = GDK_WINDOW_IMPL_X11 (private->impl);
307 draw_impl = GDK_DRAWABLE_IMPL_X11 (private->impl);
309 draw_impl->screen = screen;
310 draw_impl->xid = screen_x11->xroot_window;
311 draw_impl->wrapper = GDK_DRAWABLE (private);
312 draw_impl->colormap = gdk_screen_get_system_colormap (screen);
313 g_object_ref (draw_impl->colormap);
315 private->window_type = GDK_WINDOW_ROOT;
316 private->depth = depth;
319 impl->height = height;
321 _gdk_window_init_position (GDK_WINDOW (private));
323 _gdk_xid_table_insert (screen_x11->display,
324 &screen_x11->xroot_window,
325 screen_x11->root_window);
329 set_wm_protocols (GdkWindow *window)
331 GdkDisplay *display = gdk_drawable_get_display (window);
334 protocols[0] = gdk_x11_get_xatom_by_name_for_display (display, "WM_DELETE_WINDOW");
335 protocols[1] = gdk_x11_get_xatom_by_name_for_display (display, "WM_TAKE_FOCUS");
336 protocols[2] = gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_PING");
338 XSetWMProtocols (GDK_DISPLAY_XDISPLAY (display), GDK_WINDOW_XID (window), protocols, 3);
342 get_default_title (void)
346 title = g_get_application_name ();
348 title = g_get_prgname ();
354 check_leader_window_title (GdkDisplay *display)
356 GdkDisplayX11 *display_x11 = GDK_DISPLAY_X11 (display);
358 if (!display_x11->leader_window_title_set)
360 set_wm_name (display,
361 display_x11->leader_window,
362 get_default_title ());
364 display_x11->leader_window_title_set = TRUE;
370 * @parent: a #GdkWindow, or %NULL to create the window as a child of
371 * the default root window for the default display.
372 * @attributes: attributes of the new window
373 * @attributes_mask: mask indicating which fields in @attributes are valid
375 * Creates a new #GdkWindow using the attributes from
376 * @attributes. See #GdkWindowAttr and #GdkWindowAttributesType for
377 * more details. Note: to use this on displays other than the default
378 * display, @parent must be specified.
380 * Return value: the new #GdkWindow
383 gdk_window_new (GdkWindow *parent,
384 GdkWindowAttr *attributes,
385 gint attributes_mask)
388 GdkWindowObject *private;
389 GdkWindowImplX11 *impl;
390 GdkDrawableImplX11 *draw_impl;
391 GdkScreenX11 *screen_x11;
400 XSetWindowAttributes xattributes;
401 long xattributes_mask;
402 XSizeHints size_hints;
404 XClassHint *class_hint;
412 g_return_val_if_fail (attributes != NULL, NULL);
417 g_warning ("gdk_window_new(): no parent specified reverting to parent = default root window"));
419 screen = gdk_screen_get_default ();
420 parent = gdk_screen_get_root_window (screen);
423 screen = gdk_drawable_get_screen (parent);
425 screen_x11 = GDK_SCREEN_X11 (screen);
427 g_return_val_if_fail (GDK_IS_WINDOW (parent), NULL);
429 if (GDK_WINDOW_DESTROYED (parent))
432 xparent = GDK_WINDOW_XID (parent);
434 window = g_object_new (GDK_TYPE_WINDOW, NULL);
435 private = (GdkWindowObject *)window;
436 impl = GDK_WINDOW_IMPL_X11 (private->impl);
437 draw_impl = GDK_DRAWABLE_IMPL_X11 (private->impl);
438 draw_impl->wrapper = GDK_DRAWABLE (window);
440 draw_impl->screen = screen;
441 xdisplay = screen_x11->xdisplay;
443 /* Windows with a foreign parent are treated as if they are children
444 * of the root window, except for actual creation.
446 if (GDK_WINDOW_TYPE (parent) == GDK_WINDOW_FOREIGN)
447 parent = gdk_screen_get_root_window (screen);
449 private->parent = (GdkWindowObject *)parent;
451 xattributes_mask = 0;
453 if (attributes_mask & GDK_WA_X)
458 if (attributes_mask & GDK_WA_Y)
465 impl->width = (attributes->width > 1) ? (attributes->width) : (1);
466 impl->height = (attributes->height > 1) ? (attributes->height) : (1);
468 if (attributes->wclass == GDK_INPUT_ONLY)
470 /* Backwards compatiblity - we've always ignored
471 * attributes->window_type for input-only windows
474 if (GDK_WINDOW_TYPE (parent) == GDK_WINDOW_ROOT)
475 private->window_type = GDK_WINDOW_TEMP;
477 private->window_type = GDK_WINDOW_CHILD;
480 private->window_type = attributes->window_type;
482 _gdk_window_init_position (GDK_WINDOW (private));
483 if (impl->position_info.big)
484 private->guffaw_gravity = TRUE;
486 if (attributes_mask & GDK_WA_VISUAL)
487 visual = attributes->visual;
489 visual = gdk_screen_get_system_visual (screen);
490 xvisual = ((GdkVisualPrivate*) visual)->xvisual;
492 xattributes.event_mask = StructureNotifyMask | PropertyChangeMask;
493 for (i = 0; i < _gdk_nenvent_masks; i++)
495 if (attributes->event_mask & (1 << (i + 1)))
496 xattributes.event_mask |= _gdk_event_mask_table[i];
498 private->event_mask = attributes->event_mask;
500 if (xattributes.event_mask)
501 xattributes_mask |= CWEventMask;
503 if (attributes_mask & GDK_WA_NOREDIR)
505 xattributes.override_redirect =
506 (attributes->override_redirect == FALSE)?False:True;
507 xattributes_mask |= CWOverrideRedirect;
510 xattributes.override_redirect = False;
512 if (private->parent && private->parent->guffaw_gravity)
514 xattributes.win_gravity = StaticGravity;
515 xattributes_mask |= CWWinGravity;
519 switch (private->window_type)
521 case GDK_WINDOW_TOPLEVEL:
522 case GDK_WINDOW_DIALOG:
523 case GDK_WINDOW_TEMP:
524 if (GDK_WINDOW_TYPE (parent) != GDK_WINDOW_ROOT)
526 g_warning (G_STRLOC "Toplevel windows must be created as children of\n"
527 "of a window of type GDK_WINDOW_ROOT or GDK_WINDOW_FOREIGN");
528 xparent = GDK_SCREEN_XROOTWIN (screen);
530 case GDK_WINDOW_CHILD:
533 g_warning (G_STRLOC "cannot make windows of type %d", private->window_type);
537 if (attributes->wclass == GDK_INPUT_OUTPUT)
540 depth = visual->depth;
542 private->input_only = FALSE;
543 private->depth = depth;
545 if (attributes_mask & GDK_WA_COLORMAP)
547 draw_impl->colormap = attributes->colormap;
548 g_object_ref (attributes->colormap);
552 if ((((GdkVisualPrivate *)gdk_screen_get_system_visual (screen))->xvisual) == xvisual)
554 draw_impl->colormap = gdk_screen_get_system_colormap (screen);
555 g_object_ref (draw_impl->colormap);
559 draw_impl->colormap = gdk_colormap_new (visual, FALSE);
563 private->bg_color.pixel = BlackPixel (xdisplay, screen_x11->screen_num);
564 xattributes.background_pixel = private->bg_color.pixel;
566 private->bg_pixmap = NULL;
568 xattributes.border_pixel = BlackPixel (xdisplay, screen_x11->screen_num);
569 xattributes_mask |= CWBorderPixel | CWBackPixel;
571 if (private->guffaw_gravity)
572 xattributes.bit_gravity = StaticGravity;
574 xattributes.bit_gravity = NorthWestGravity;
576 xattributes_mask |= CWBitGravity;
578 xattributes.colormap = GDK_COLORMAP_XCOLORMAP (draw_impl->colormap);
579 xattributes_mask |= CWColormap;
581 if (private->window_type == GDK_WINDOW_TEMP)
583 xattributes.save_under = True;
584 xattributes.override_redirect = True;
585 xattributes.cursor = None;
586 xattributes_mask |= CWSaveUnder | CWOverrideRedirect;
594 private->input_only = TRUE;
595 draw_impl->colormap = gdk_screen_get_system_colormap (screen);
596 g_object_ref (draw_impl->colormap);
599 xid = draw_impl->xid = XCreateWindow (xdisplay, xparent,
600 impl->position_info.x, impl->position_info.y,
601 impl->position_info.width, impl->position_info.height,
602 0, depth, class, xvisual,
603 xattributes_mask, &xattributes);
605 g_object_ref (window);
606 _gdk_xid_table_insert (screen_x11->display, &draw_impl->xid, window);
608 gdk_window_set_cursor (window, ((attributes_mask & GDK_WA_CURSOR) ?
609 (attributes->cursor) :
613 private->parent->children = g_list_prepend (private->parent->children, window);
615 switch (GDK_WINDOW_TYPE (private))
617 case GDK_WINDOW_DIALOG:
618 XSetTransientForHint (xdisplay, xid, xparent);
619 case GDK_WINDOW_TOPLEVEL:
620 case GDK_WINDOW_TEMP:
621 set_wm_protocols (window);
623 case GDK_WINDOW_CHILD:
624 if ((attributes->wclass == GDK_INPUT_OUTPUT) &&
625 (draw_impl->colormap != gdk_screen_get_system_colormap (screen)) &&
626 (draw_impl->colormap != gdk_drawable_get_colormap (gdk_window_get_toplevel (window))))
628 GDK_NOTE (MISC, g_message ("adding colormap window\n"));
629 gdk_window_add_colormap_windows (window);
638 if (class != InputOnly)
640 /* The focus window is off the visible area, and serves to receive key
641 * press events so they don't get sent to child windows.
643 impl->focus_window = XCreateSimpleWindow (xdisplay, xid,
645 xattributes.background_pixel,
646 xattributes.background_pixel);
647 /* FIXME: probably better to actually track the requested event mask for the toplevel
649 XSelectInput (xdisplay, impl->focus_window,
650 KeyPressMask | KeyReleaseMask | FocusChangeMask);
652 XMapWindow (xdisplay, impl->focus_window);
653 _gdk_xid_table_insert (screen_x11->display, &impl->focus_window, window);
656 size_hints.flags = PSize;
657 size_hints.width = impl->width;
658 size_hints.height = impl->height;
660 check_leader_window_title (screen_x11->display);
662 wm_hints.flags = StateHint | WindowGroupHint;
663 wm_hints.window_group = GDK_DISPLAY_X11 (screen_x11->display)->leader_window;
664 wm_hints.input = True;
665 wm_hints.initial_state = NormalState;
667 /* FIXME: Is there any point in doing this? Do any WM's pay
668 * attention to PSize, and even if they do, is this the
671 XSetWMNormalHints (xdisplay, xid, &size_hints);
673 XSetWMHints (xdisplay, xid, &wm_hints);
675 /* This will set WM_CLIENT_MACHINE and WM_LOCALE_NAME */
676 XSetWMProperties (xdisplay, xid, NULL, NULL, NULL, 0, NULL, NULL, NULL);
679 XChangeProperty (xdisplay, xid,
680 gdk_x11_get_xatom_by_name_for_display (screen_x11->display, "_NET_WM_PID"),
685 XChangeProperty (xdisplay, xid,
686 gdk_x11_get_xatom_by_name_for_display (screen_x11->display, "WM_CLIENT_LEADER"),
687 XA_WINDOW, 32, PropModeReplace,
688 (guchar *) &GDK_DISPLAY_X11 (screen_x11->display)->leader_window, 1);
690 if (attributes_mask & GDK_WA_TITLE)
691 title = attributes->title;
693 title = get_default_title ();
695 gdk_window_set_title (window, title);
697 if (attributes_mask & GDK_WA_WMCLASS)
699 class_hint = XAllocClassHint ();
700 class_hint->res_name = attributes->wmclass_name;
701 class_hint->res_class = attributes->wmclass_class;
702 XSetClassHint (xdisplay, xid, class_hint);
710 x_event_mask_to_gdk_event_mask (long mask)
712 GdkEventMask event_mask = 0;
715 for (i = 0; i < _gdk_nenvent_masks; i++)
717 if (mask & _gdk_event_mask_table[i])
718 event_mask |= 1 << (i + 1);
725 * gdk_window_foreign_new_for_display:
726 * @display: the #GdkDisplay where the window handle comes from.
727 * @anid: a native window handle.
729 * Wraps a native window in a #GdkWindow.
730 * This may fail if the window has been destroyed.
732 * For example in the X backend, a native window handle is an Xlib
735 * Return value: the newly-created #GdkWindow wrapper for the
736 * native window or %NULL if the window has been destroyed.
741 gdk_window_foreign_new_for_display (GdkDisplay *display,
742 GdkNativeWindow anid)
745 GdkWindowObject *private;
746 GdkWindowImplX11 *impl;
747 GdkDrawableImplX11 *draw_impl;
748 GdkDisplayX11 *display_x11;
749 XWindowAttributes attrs;
751 Window *children = NULL;
755 g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
757 display_x11 = GDK_DISPLAY_X11 (display);
759 gdk_error_trap_push ();
760 result = XGetWindowAttributes (display_x11->xdisplay, anid, &attrs);
761 if (gdk_error_trap_pop () || !result)
764 /* FIXME: This is pretty expensive. Maybe the caller should supply
766 gdk_error_trap_push ();
767 result = XQueryTree (display_x11->xdisplay, anid, &root, &parent, &children, &nchildren);
768 if (gdk_error_trap_pop () || !result)
774 window = g_object_new (GDK_TYPE_WINDOW, NULL);
775 private = (GdkWindowObject *)window;
776 impl = GDK_WINDOW_IMPL_X11 (private->impl);
777 draw_impl = GDK_DRAWABLE_IMPL_X11 (private->impl);
778 draw_impl->wrapper = GDK_DRAWABLE (window);
779 draw_impl->screen = _gdk_x11_display_screen_for_xrootwin (display, root);
781 private->parent = gdk_xid_table_lookup_for_display (display, parent);
783 if (!private->parent || GDK_WINDOW_TYPE (private->parent) == GDK_WINDOW_FOREIGN)
784 private->parent = (GdkWindowObject *) gdk_screen_get_root_window (draw_impl->screen);
786 private->parent->children = g_list_prepend (private->parent->children, window);
788 draw_impl->xid = anid;
790 private->x = attrs.x;
791 private->y = attrs.y;
792 impl->width = attrs.width;
793 impl->height = attrs.height;
794 private->window_type = GDK_WINDOW_FOREIGN;
795 private->destroyed = FALSE;
797 private->event_mask = x_event_mask_to_gdk_event_mask (attrs.your_event_mask);
799 if (attrs.map_state == IsUnmapped)
800 private->state = GDK_WINDOW_STATE_WITHDRAWN;
804 private->depth = attrs.depth;
806 _gdk_window_init_position (GDK_WINDOW (private));
808 g_object_ref (window);
809 _gdk_xid_table_insert (display, &GDK_WINDOW_XID (window), window);
814 * gdk_window_lookup_for_display:
815 * @display: the #GdkDisplay corresponding to the window handle
816 * @anid: a native window handle.
818 * Looks up the #GdkWindow that wraps the given native window handle.
820 * For example in the X backend, a native window handle is an Xlib
823 * Return value: the #GdkWindow wrapper for the native window,
824 * or %NULL if there is none.
829 gdk_window_lookup_for_display (GdkDisplay *display, GdkNativeWindow anid)
831 return (GdkWindow*) gdk_xid_table_lookup_for_display (display, anid);
836 * @anid: a native window handle.
838 * Looks up the #GdkWindow that wraps the given native window handle.
840 * For example in the X backend, a native window handle is an Xlib
843 * Return value: the #GdkWindow wrapper for the native window,
844 * or %NULL if there is none.
847 gdk_window_lookup (GdkNativeWindow anid)
849 return (GdkWindow*) gdk_xid_table_lookup (anid);
853 _gdk_windowing_window_destroy (GdkWindow *window,
855 gboolean foreign_destroy)
857 GdkWindowObject *private = (GdkWindowObject *)window;
859 g_return_if_fail (GDK_IS_WINDOW (window));
861 _gdk_selection_window_destroyed (window);
863 if (private->extension_events != 0)
864 _gdk_input_window_destroy (window);
868 GdkDrawableImplX11 *draw_impl = GDK_DRAWABLE_IMPL_X11 (private->impl);
871 if (draw_impl->xft_draw)
872 XftDrawDestroy (draw_impl->xft_draw);
873 #else /* !HAVE_XFT2 */
874 if (draw_impl->picture)
875 XRenderFreePicture (GDK_DRAWABLE_XDISPLAY (window), draw_impl->picture);
876 #endif /* HAVE_XFT2 */
878 #endif /* HAVE_XFT */
880 if (private->window_type == GDK_WINDOW_FOREIGN)
882 if (!foreign_destroy && (private->parent != NULL))
884 /* It's somebody else's window, but in our heirarchy,
885 * so reparent it to the root window, and then send
886 * it a delete event, as if we were a WM
888 XClientMessageEvent xevent;
890 gdk_error_trap_push ();
891 gdk_window_hide (window);
892 gdk_window_reparent (window, NULL, 0, 0);
894 xevent.type = ClientMessage;
895 xevent.window = GDK_WINDOW_XID (window);
896 xevent.message_type = gdk_x11_get_xatom_by_name_for_display (GDK_WINDOW_DISPLAY (window),
899 xevent.data.l[0] = gdk_x11_get_xatom_by_name_for_display (GDK_WINDOW_DISPLAY (window),
901 xevent.data.l[1] = CurrentTime;
903 XSendEvent (GDK_WINDOW_XDISPLAY (window),
904 GDK_WINDOW_XID (window),
905 False, 0, (XEvent *)&xevent);
906 gdk_display_sync (GDK_WINDOW_DISPLAY (window));
907 gdk_error_trap_pop ();
910 else if (!recursing && !foreign_destroy)
912 XDestroyWindow (GDK_WINDOW_XDISPLAY (window), GDK_WINDOW_XID (window));
916 /* This function is called when the XWindow is really gone.
919 gdk_window_destroy_notify (GdkWindow *window)
921 GdkWindowImplX11 *window_impl;
923 g_return_if_fail (window != NULL);
925 window_impl = GDK_WINDOW_IMPL_X11 (((GdkWindowObject *)window)->impl);
927 if (!GDK_WINDOW_DESTROYED (window))
929 if (GDK_WINDOW_TYPE(window) != GDK_WINDOW_FOREIGN)
930 g_warning ("GdkWindow %#lx unexpectedly destroyed", GDK_WINDOW_XID (window));
932 _gdk_window_destroy (window, TRUE);
935 _gdk_xid_table_remove (GDK_WINDOW_DISPLAY (window), GDK_WINDOW_XID (window));
936 if (window_impl->focus_window)
937 _gdk_xid_table_remove (GDK_WINDOW_DISPLAY (window), window_impl->focus_window);
939 _gdk_xgrab_check_destroy (window);
941 g_object_unref (window);
945 set_initial_hints (GdkWindow *window)
947 GdkWindowObject *private;
951 private = (GdkWindowObject*) window;
953 if (private->state & GDK_WINDOW_STATE_ICONIFIED)
957 wm_hints = XGetWMHints (GDK_WINDOW_XDISPLAY (window),
958 GDK_WINDOW_XID (window));
960 wm_hints = XAllocWMHints ();
962 wm_hints->flags |= StateHint;
963 wm_hints->initial_state = IconicState;
965 XSetWMHints (GDK_WINDOW_XDISPLAY (window),
966 GDK_WINDOW_XID (window), wm_hints);
970 /* We set the spec hints regardless of whether the spec is supported,
971 * since it can't hurt and it's kind of expensive to check whether
977 if (private->state & GDK_WINDOW_STATE_MAXIMIZED)
979 atoms[i] = gdk_x11_get_xatom_by_name_for_display (GDK_WINDOW_DISPLAY (window),
980 "_NET_WM_STATE_MAXIMIZED_VERT");
982 atoms[i] = gdk_x11_get_xatom_by_name_for_display (GDK_WINDOW_DISPLAY (window),
983 "_NET_WM_STATE_MAXIMIZED_HORZ");
987 if (private->state & GDK_WINDOW_STATE_STICKY)
989 atoms[i] = gdk_x11_get_xatom_by_name_for_display (GDK_WINDOW_DISPLAY (window),
990 "_NET_WM_STATE_STICKY");
994 if (private->state & GDK_WINDOW_STATE_FULLSCREEN)
996 atoms[i] = gdk_x11_get_xatom_by_name_for_display (GDK_WINDOW_DISPLAY (window),
997 "_NET_WM_STATE_FULLSCREEN");
1001 if (private->modal_hint)
1003 atoms[i] = gdk_x11_get_xatom_by_name_for_display (GDK_WINDOW_DISPLAY (window),
1004 "_NET_WM_STATE_MODAL");
1010 XChangeProperty (GDK_WINDOW_XDISPLAY (window),
1011 GDK_WINDOW_XID (window),
1012 gdk_x11_get_xatom_by_name_for_display (GDK_WINDOW_DISPLAY (window), "_NET_WM_STATE"),
1013 XA_ATOM, 32, PropModeReplace,
1014 (guchar*) atoms, i);
1017 if (private->state & GDK_WINDOW_STATE_STICKY)
1019 atoms[0] = 0xFFFFFFFF;
1020 XChangeProperty (GDK_WINDOW_XDISPLAY (window),
1021 GDK_WINDOW_XID (window),
1022 gdk_x11_get_xatom_by_name_for_display (GDK_WINDOW_DISPLAY (window), "_NET_WM_DESKTOP"),
1023 XA_CARDINAL, 32, PropModeReplace,
1024 (guchar*) atoms, 1);
1029 show_window_internal (GdkWindow *window,
1032 GdkWindowObject *private;
1034 g_return_if_fail (GDK_IS_WINDOW (window));
1036 private = (GdkWindowObject*) window;
1037 if (!private->destroyed)
1040 XRaiseWindow (GDK_WINDOW_XDISPLAY (window),
1041 GDK_WINDOW_XID (window));
1043 if (!GDK_WINDOW_IS_MAPPED (window))
1045 set_initial_hints (window);
1047 gdk_synthesize_window_state (window,
1048 GDK_WINDOW_STATE_WITHDRAWN,
1052 g_assert (GDK_WINDOW_IS_MAPPED (window));
1054 if (GDK_WINDOW_IMPL_X11 (private->impl)->position_info.mapped)
1055 XMapWindow (GDK_WINDOW_XDISPLAY (window),
1056 GDK_WINDOW_XID (window));
1061 * gdk_window_show_unraised:
1062 * @window: a #GdkWindow
1064 * Shows a #GdkWindow onscreen, but does not modify its stacking
1065 * order. In contrast, gdk_window_show() will raise the window
1066 * to the top of the window stack.
1068 * On the X11 platform, in Xlib terms, this function calls
1069 * XMapWindow() (it also updates some internal GDK state, which means
1070 * that you can't really use XMapWindow() directly on a GDK window).
1074 gdk_window_show_unraised (GdkWindow *window)
1076 g_return_if_fail (GDK_IS_WINDOW (window));
1078 show_window_internal (window, FALSE);
1083 * @window: a #GdkWindow
1085 * Like gdk_window_show_unraised(), but also raises the window to the
1086 * top of the window stack (moves the window to the front of the
1089 * This function maps a window so it's visible onscreen. Its opposite
1090 * is gdk_window_hide().
1092 * When implementing a #GtkWidget, you should call this function on the widget's
1093 * #GdkWindow as part of the "map" method.
1097 gdk_window_show (GdkWindow *window)
1099 g_return_if_fail (GDK_IS_WINDOW (window));
1101 show_window_internal (window, TRUE);
1106 * @window: a #GdkWindow
1108 * For toplevel windows, withdraws them, so they will no longer be
1109 * known to the window manager; for all windows, unmaps them, so
1110 * they won't be displayed. Normally done automatically as
1111 * part of gtk_widget_hide().
1115 gdk_window_hide (GdkWindow *window)
1117 GdkWindowObject *private;
1119 g_return_if_fail (window != NULL);
1121 private = (GdkWindowObject*) window;
1123 /* We'll get the unmap notify eventually, and handle it then,
1124 * but checking here makes things more consistent if we are
1125 * just doing stuff ourself.
1127 _gdk_xgrab_check_unmap (window,
1128 NextRequest (GDK_WINDOW_XDISPLAY (window)));
1130 /* You can't simply unmap toplevel windows. */
1131 switch (private->window_type)
1133 case GDK_WINDOW_TOPLEVEL:
1134 case GDK_WINDOW_DIALOG:
1135 case GDK_WINDOW_TEMP: /* ? */
1136 gdk_window_withdraw (window);
1140 case GDK_WINDOW_FOREIGN:
1141 case GDK_WINDOW_ROOT:
1142 case GDK_WINDOW_CHILD:
1146 if (!private->destroyed)
1148 if (GDK_WINDOW_IS_MAPPED (window))
1149 gdk_synthesize_window_state (window,
1151 GDK_WINDOW_STATE_WITHDRAWN);
1153 g_assert (!GDK_WINDOW_IS_MAPPED (window));
1155 _gdk_window_clear_update_area (window);
1157 XUnmapWindow (GDK_WINDOW_XDISPLAY (window),
1158 GDK_WINDOW_XID (window));
1163 * gdk_window_withdraw:
1164 * @window: a toplevel #GdkWindow
1166 * Withdraws a window (unmaps it and asks the window manager to forget about it).
1167 * This function is not really useful as gdk_window_hide() automatically
1168 * withdraws toplevel windows before hiding them.
1172 gdk_window_withdraw (GdkWindow *window)
1174 GdkWindowObject *private;
1176 g_return_if_fail (window != NULL);
1178 private = (GdkWindowObject*) window;
1179 if (!private->destroyed)
1181 if (GDK_WINDOW_IS_MAPPED (window))
1182 gdk_synthesize_window_state (window,
1184 GDK_WINDOW_STATE_WITHDRAWN);
1186 g_assert (!GDK_WINDOW_IS_MAPPED (window));
1188 XWithdrawWindow (GDK_WINDOW_XDISPLAY (window),
1189 GDK_WINDOW_XID (window), 0);
1195 * @window: a #GdkWindow
1196 * @x: X coordinate relative to window's parent
1197 * @y: Y coordinate relative to window's parent
1199 * Repositions a window relative to its parent window.
1200 * For toplevel windows, window managers may ignore or modify the move;
1201 * you should probably use gtk_window_move() on a #GtkWindow widget
1202 * anyway, instead of using GDK functions. For child windows,
1203 * the move will reliably succeed.
1205 * If you're also planning to resize the window, use gdk_window_move_resize()
1206 * to both move and resize simultaneously, for a nicer visual effect.
1209 gdk_window_move (GdkWindow *window,
1213 GdkWindowObject *private = (GdkWindowObject *)window;
1214 GdkWindowImplX11 *impl;
1216 g_return_if_fail (window != NULL);
1217 g_return_if_fail (GDK_IS_WINDOW (window));
1219 impl = GDK_WINDOW_IMPL_X11 (private->impl);
1221 if (!GDK_WINDOW_DESTROYED (window))
1223 if (GDK_WINDOW_TYPE (private) == GDK_WINDOW_CHILD)
1224 _gdk_window_move_resize_child (window, x, y,
1225 impl->width, impl->height);
1228 XMoveWindow (GDK_WINDOW_XDISPLAY (window),
1229 GDK_WINDOW_XID (window),
1236 * gdk_window_resize:
1237 * @window: a #GdkWindow
1238 * @width: new width of the window
1239 * @height: new height of the window
1241 * Resizes @window; for toplevel windows, asks the window manager to resize
1242 * the window. The window manager may not allow the resize. When using GTK+,
1243 * use gtk_window_resize() instead of this low-level GDK function.
1245 * Windows may not be resized below 1x1.
1247 * If you're also planning to move the window, use gdk_window_move_resize()
1248 * to both move and resize simultaneously, for a nicer visual effect.
1251 gdk_window_resize (GdkWindow *window,
1255 GdkWindowObject *private;
1257 g_return_if_fail (window != NULL);
1258 g_return_if_fail (GDK_IS_WINDOW (window));
1265 private = (GdkWindowObject*) window;
1267 if (!GDK_WINDOW_DESTROYED (window))
1269 if (GDK_WINDOW_TYPE (private) == GDK_WINDOW_CHILD)
1270 _gdk_window_move_resize_child (window, private->x, private->y,
1274 GdkWindowImplX11 *impl = GDK_WINDOW_IMPL_X11 (private->impl);
1276 if (width != impl->width || height != impl->height)
1277 private->resize_count += 1;
1279 XResizeWindow (GDK_WINDOW_XDISPLAY (window),
1280 GDK_WINDOW_XID (window),
1287 * gdk_window_move_resize:
1288 * @window: a #GdkWindow
1289 * @x: new X position relative to window's parent
1290 * @y: new Y position relative to window's parent
1292 * @height: new height
1294 * Equivalent to calling gdk_window_move() and gdk_window_resize(),
1295 * except that both operations are performed at once, avoiding strange
1296 * visual effects. (i.e. the user may be able to see the window first
1297 * move, then resize, if you don't use gdk_window_move_resize().)
1300 gdk_window_move_resize (GdkWindow *window,
1306 GdkWindowObject *private;
1308 g_return_if_fail (window != NULL);
1309 g_return_if_fail (GDK_IS_WINDOW (window));
1316 private = (GdkWindowObject*) window;
1318 if (!GDK_WINDOW_DESTROYED (window))
1320 if (GDK_WINDOW_TYPE (private) == GDK_WINDOW_CHILD)
1321 _gdk_window_move_resize_child (window, x, y, width, height);
1324 GdkWindowImplX11 *impl = GDK_WINDOW_IMPL_X11 (private->impl);
1326 if (width != impl->width || height != impl->height)
1327 private->resize_count += 1;
1329 XMoveResizeWindow (GDK_WINDOW_XDISPLAY (window),
1330 GDK_WINDOW_XID (window),
1331 x, y, width, height);
1337 * gdk_window_reparent:
1338 * @window: a #GdkWindow
1339 * @new_parent: new parent to move @window into
1340 * @x: X location inside the new parent
1341 * @y: Y location inside the new parent
1343 * Reparents @window into the given @new_parent. The window being
1344 * reparented will be unmapped as a side effect.
1348 gdk_window_reparent (GdkWindow *window,
1349 GdkWindow *new_parent,
1353 GdkDisplay *display;
1354 GdkWindowObject *window_private;
1355 GdkWindowObject *parent_private;
1356 GdkWindowObject *old_parent_private;
1358 g_return_if_fail (window != NULL);
1359 g_return_if_fail (GDK_IS_WINDOW (window));
1360 g_return_if_fail (new_parent == NULL || GDK_IS_WINDOW (new_parent));
1361 g_return_if_fail (GDK_WINDOW_TYPE (window) != GDK_WINDOW_ROOT);
1364 new_parent = gdk_screen_get_root_window (GDK_WINDOW_SCREEN (window));
1366 display = GDK_WINDOW_DISPLAY (window);
1368 window_private = (GdkWindowObject*) window;
1369 old_parent_private = (GdkWindowObject*)window_private->parent;
1370 parent_private = (GdkWindowObject*) new_parent;
1372 if (!GDK_WINDOW_DESTROYED (window) && !GDK_WINDOW_DESTROYED (new_parent))
1373 XReparentWindow (GDK_WINDOW_XDISPLAY (window),
1374 GDK_WINDOW_XID (window),
1375 GDK_WINDOW_XID (new_parent),
1378 window_private->x = x;
1379 window_private->y = y;
1381 /* From here on, we treat parents of type GDK_WINDOW_FOREIGN like
1384 if (GDK_WINDOW_TYPE (new_parent) == GDK_WINDOW_FOREIGN)
1385 new_parent = gdk_screen_get_root_window (GDK_WINDOW_SCREEN (window));
1387 window_private->parent = (GdkWindowObject *)new_parent;
1389 /* Switch the window type as appropriate */
1391 switch (GDK_WINDOW_TYPE (new_parent))
1393 case GDK_WINDOW_ROOT:
1394 case GDK_WINDOW_FOREIGN:
1395 /* Now a toplevel */
1396 if (GDK_WINDOW_TYPE (window) == GDK_WINDOW_CHILD)
1397 set_wm_protocols (window);
1399 case GDK_WINDOW_TOPLEVEL:
1400 case GDK_WINDOW_CHILD:
1401 case GDK_WINDOW_DIALOG:
1402 case GDK_WINDOW_TEMP:
1403 if (GDK_WINDOW_TYPE (window) != GDK_WINDOW_CHILD &&
1404 GDK_WINDOW_TYPE (window) != GDK_WINDOW_FOREIGN)
1406 /* If we were being sophisticated, we'd save the old window type
1407 * here, and restore it if we were reparented back to the
1408 * toplevel. However, the difference between different types
1409 * of toplevels only really matters on creation anyways.
1411 GDK_WINDOW_TYPE (window) = GDK_WINDOW_CHILD;
1415 if (old_parent_private)
1416 old_parent_private->children = g_list_remove (old_parent_private->children, window);
1418 if ((old_parent_private &&
1419 (!old_parent_private->guffaw_gravity != !parent_private->guffaw_gravity)) ||
1420 (!old_parent_private && parent_private->guffaw_gravity))
1421 gdk_window_set_static_win_gravity (window, parent_private->guffaw_gravity);
1423 parent_private->children = g_list_prepend (parent_private->children, window);
1424 _gdk_window_init_position (GDK_WINDOW (window_private));
1428 _gdk_windowing_window_clear_area (GdkWindow *window,
1434 g_return_if_fail (window != NULL);
1435 g_return_if_fail (GDK_IS_WINDOW (window));
1437 if (!GDK_WINDOW_DESTROYED (window))
1438 XClearArea (GDK_WINDOW_XDISPLAY (window), GDK_WINDOW_XID (window),
1439 x, y, width, height, False);
1443 _gdk_windowing_window_clear_area_e (GdkWindow *window,
1449 g_return_if_fail (window != NULL);
1450 g_return_if_fail (GDK_IS_WINDOW (window));
1452 if (!GDK_WINDOW_DESTROYED (window))
1453 XClearArea (GDK_WINDOW_XDISPLAY (window), GDK_WINDOW_XID (window),
1454 x, y, width, height, True);
1460 * @window: a #GdkWindow
1462 * Raises @window to the top of the Z-order (stacking order), so that
1463 * other windows with the same parent window appear below @window.
1464 * This is true whether or not the windows are visible.
1466 * If @window is a toplevel, the window manager may choose to deny the
1467 * request to move the window in the Z-order, gdk_window_raise() only
1468 * requests the restack, does not guarantee it.
1472 gdk_window_raise (GdkWindow *window)
1474 g_return_if_fail (window != NULL);
1475 g_return_if_fail (GDK_IS_WINDOW (window));
1477 if (!GDK_WINDOW_DESTROYED (window))
1478 XRaiseWindow (GDK_WINDOW_XDISPLAY (window), GDK_WINDOW_XID (window));
1483 * @window: a #GdkWindow
1485 * Lowers @window to the bottom of the Z-order (stacking order), so that
1486 * other windows with the same parent window appear above @window.
1487 * This is true whether or not the other windows are visible.
1489 * If @window is a toplevel, the window manager may choose to deny the
1490 * request to move the window in the Z-order, gdk_window_lower() only
1491 * requests the restack, does not guarantee it.
1493 * Note that gdk_window_show() raises the window again, so don't call this
1494 * function before gdk_window_show(). (Try gdk_window_show_unraised().)
1498 gdk_window_lower (GdkWindow *window)
1500 g_return_if_fail (window != NULL);
1501 g_return_if_fail (GDK_IS_WINDOW (window));
1503 if (!GDK_WINDOW_DESTROYED (window))
1504 XLowerWindow (GDK_WINDOW_XDISPLAY (window), GDK_WINDOW_XID (window));
1509 * @window: a #GdkWindow
1510 * @timestamp: timestamp of the event triggering the window focus
1512 * Sets keyboard focus to @window. If @window is not onscreen this
1513 * will not work. In most cases, gtk_window_present() should be used on
1514 * a #GtkWindow, rather than calling this function.
1518 gdk_window_focus (GdkWindow *window,
1521 g_return_if_fail (GDK_IS_WINDOW (window));
1523 if (GDK_WINDOW_DESTROYED (window))
1526 if (gdk_x11_screen_supports_net_wm_hint (GDK_WINDOW_SCREEN (window),
1527 gdk_atom_intern ("_NET_ACTIVE_WINDOW", FALSE)))
1531 xev.xclient.type = ClientMessage;
1532 xev.xclient.serial = 0;
1533 xev.xclient.send_event = True;
1534 xev.xclient.window = GDK_WINDOW_XWINDOW (window);
1535 xev.xclient.message_type = gdk_x11_get_xatom_by_name_for_display (GDK_WINDOW_DISPLAY (window),
1536 "_NET_ACTIVE_WINDOW");
1537 xev.xclient.format = 32;
1538 xev.xclient.data.l[0] = 0;
1540 XSendEvent (GDK_WINDOW_XDISPLAY (window), GDK_WINDOW_XROOTWIN (window), False,
1541 SubstructureRedirectMask | SubstructureNotifyMask,
1546 XRaiseWindow (GDK_WINDOW_XDISPLAY (window), GDK_WINDOW_XID (window));
1548 /* There is no way of knowing reliably whether we are viewable so we need
1549 * to trap errors so we don't cause a BadMatch.
1551 gdk_error_trap_push ();
1552 XSetInputFocus (GDK_WINDOW_XDISPLAY (window),
1553 GDK_WINDOW_XWINDOW (window),
1556 XSync (GDK_WINDOW_XDISPLAY (window), False);
1557 gdk_error_trap_pop ();
1562 * gdk_window_set_hints:
1563 * @window: a #GdkWindow
1564 * @x: ignored field, does not matter
1565 * @y: ignored field, does not matter
1566 * @min_width: minimum width hint
1567 * @min_height: minimum height hint
1568 * @max_width: max width hint
1569 * @max_height: max height hint
1570 * @flags: logical OR of GDK_HINT_POS, GDK_HINT_MIN_SIZE, and/or GDK_HINT_MAX_SIZE
1572 * This function is broken and useless and you should ignore it.
1573 * If using GTK+, use functions such as gtk_window_resize(), gtk_window_set_size_request(),
1574 * gtk_window_move(), gtk_window_parse_geometry(), and gtk_window_set_geometry_hints(),
1575 * depending on what you're trying to do.
1577 * If using GDK directly, use gdk_window_set_geometry_hints().
1581 gdk_window_set_hints (GdkWindow *window,
1590 XSizeHints size_hints;
1592 g_return_if_fail (window != NULL);
1593 g_return_if_fail (GDK_IS_WINDOW (window));
1595 if (GDK_WINDOW_DESTROYED (window))
1598 size_hints.flags = 0;
1600 if (flags & GDK_HINT_POS)
1602 size_hints.flags |= PPosition;
1607 if (flags & GDK_HINT_MIN_SIZE)
1609 size_hints.flags |= PMinSize;
1610 size_hints.min_width = min_width;
1611 size_hints.min_height = min_height;
1614 if (flags & GDK_HINT_MAX_SIZE)
1616 size_hints.flags |= PMaxSize;
1617 size_hints.max_width = max_width;
1618 size_hints.max_height = max_height;
1621 /* FIXME: Would it be better to delete this property if
1622 * flags == 0? It would save space on the server
1624 XSetWMNormalHints (GDK_WINDOW_XDISPLAY (window),
1625 GDK_WINDOW_XID (window),
1630 * gdk_window_set_type_hint:
1631 * @window: A toplevel #GdkWindow
1632 * @hint: A hint of the function this window will have
1634 * The application can use this call to provide a hint to the window
1635 * manager about the functionality of a window. The window manager
1636 * can use this information when determining the decoration and behaviour
1639 * The hint must be set before the window is mapped.
1642 gdk_window_set_type_hint (GdkWindow *window,
1643 GdkWindowTypeHint hint)
1645 GdkDisplay *display;
1648 g_return_if_fail (window != NULL);
1649 g_return_if_fail (GDK_IS_WINDOW (window));
1651 if (GDK_WINDOW_DESTROYED (window))
1654 display = gdk_drawable_get_display (window);
1658 case GDK_WINDOW_TYPE_HINT_DIALOG:
1659 atom = gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_WINDOW_TYPE_DIALOG");
1661 case GDK_WINDOW_TYPE_HINT_MENU:
1662 atom = gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_WINDOW_TYPE_MENU");
1664 case GDK_WINDOW_TYPE_HINT_TOOLBAR:
1665 atom = gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_WINDOW_TYPE_TOOLBAR");
1667 case GDK_WINDOW_TYPE_HINT_UTILITY:
1668 atom = gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_WINDOW_TYPE_UTILITY");
1670 case GDK_WINDOW_TYPE_HINT_SPLASHSCREEN:
1671 atom = gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_WINDOW_TYPE_SPLASH");
1673 case GDK_WINDOW_TYPE_HINT_DOCK:
1674 atom = gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_WINDOW_TYPE_DOCK");
1676 case GDK_WINDOW_TYPE_HINT_DESKTOP:
1677 atom = gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_WINDOW_TYPE_DESKTOP");
1680 g_warning ("Unknown hint %d passed to gdk_window_set_type_hint", hint);
1682 case GDK_WINDOW_TYPE_HINT_NORMAL:
1683 atom = gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_WINDOW_TYPE_NORMAL");
1687 XChangeProperty (GDK_DISPLAY_XDISPLAY (display), GDK_WINDOW_XID (window),
1688 gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_WINDOW_TYPE"),
1689 XA_ATOM, 32, PropModeReplace,
1690 (guchar *)&atom, 1);
1695 gdk_wmspec_change_state (gboolean add,
1700 GdkDisplay *display = GDK_WINDOW_DISPLAY (window);
1703 #define _NET_WM_STATE_REMOVE 0 /* remove/unset property */
1704 #define _NET_WM_STATE_ADD 1 /* add/set property */
1705 #define _NET_WM_STATE_TOGGLE 2 /* toggle property */
1707 xev.xclient.type = ClientMessage;
1708 xev.xclient.serial = 0;
1709 xev.xclient.send_event = True;
1710 xev.xclient.window = GDK_WINDOW_XID (window);
1711 xev.xclient.message_type = gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_STATE");
1712 xev.xclient.format = 32;
1713 xev.xclient.data.l[0] = add ? _NET_WM_STATE_ADD : _NET_WM_STATE_REMOVE;
1714 xev.xclient.data.l[1] = gdk_x11_atom_to_xatom_for_display (display, state1);
1715 xev.xclient.data.l[2] = gdk_x11_atom_to_xatom_for_display (display, state2);
1717 XSendEvent (GDK_WINDOW_XDISPLAY (window), GDK_WINDOW_XROOTWIN (window), False,
1718 SubstructureRedirectMask | SubstructureNotifyMask,
1723 * gdk_window_set_modal_hint:
1724 * @window: A toplevel #GdkWindow
1725 * @modal: TRUE if the window is modal, FALSE otherwise.
1727 * The application can use this hint to tell the window manager
1728 * that a certain window has modal behaviour. The window manager
1729 * can use this information to handle modal windows in a special
1732 * You should only use this on windows for which you have
1733 * previously called #gdk_window_set_transient_for()
1736 gdk_window_set_modal_hint (GdkWindow *window,
1739 GdkWindowObject *private;
1741 g_return_if_fail (window != NULL);
1742 g_return_if_fail (GDK_IS_WINDOW (window));
1744 if (GDK_WINDOW_DESTROYED (window))
1747 private = (GdkWindowObject*) window;
1749 private->modal_hint = modal;
1751 if (GDK_WINDOW_IS_MAPPED (window))
1752 gdk_wmspec_change_state (modal, window,
1753 gdk_atom_intern ("_NET_WM_STATE_MODAL", FALSE),
1758 * gdk_window_set_skip_taskbar_hint:
1759 * @window: a toplevel #GdkWindow
1760 * @skips_taskbar: %TRUE to skip the taskbar
1762 * Toggles whether a window should appear in a task list or window
1763 * list. If a window's semantic type as specified with
1764 * gdk_window_set_type_hint() already fully describes the window, this
1765 * function should NOT be called in addition, instead you should allow
1766 * the window to be treated according to standard policy for its
1772 gdk_window_set_skip_taskbar_hint (GdkWindow *window,
1773 gboolean skips_taskbar)
1775 GdkWindowObject *private;
1776 GdkWindowImplX11 *impl;
1778 g_return_if_fail (window != NULL);
1779 g_return_if_fail (GDK_IS_WINDOW (window));
1781 if (GDK_WINDOW_DESTROYED (window))
1784 private = (GdkWindowObject*) window;
1785 impl = GDK_WINDOW_IMPL_X11 (private->impl);
1787 impl->skip_taskbar_hint = skips_taskbar;
1789 if (GDK_WINDOW_IS_MAPPED (window))
1790 gdk_wmspec_change_state (skips_taskbar, window,
1791 gdk_atom_intern ("_NET_WM_STATE_SKIP_TASKBAR", FALSE),
1796 * gdk_window_set_skip_pager_hint:
1797 * @window: a toplevel #GdkWindow
1798 * @skips_pager: %TRUE to skip the pager
1800 * Toggles whether a window should appear in a pager (workspace
1801 * switcher, or other desktop utility program that displays a small
1802 * thumbnail representation of the windows on the desktop). If a
1803 * window's semantic type as specified with gdk_window_set_type_hint()
1804 * already fully describes the window, this function should NOT be
1805 * called in addition, instead you should allow the window to be
1806 * treated according to standard policy for its semantic type.
1811 gdk_window_set_skip_pager_hint (GdkWindow *window,
1812 gboolean skips_pager)
1814 GdkWindowObject *private;
1815 GdkWindowImplX11 *impl;
1817 g_return_if_fail (window != NULL);
1818 g_return_if_fail (GDK_IS_WINDOW (window));
1820 if (GDK_WINDOW_DESTROYED (window))
1823 private = (GdkWindowObject*) window;
1824 impl = GDK_WINDOW_IMPL_X11 (private->impl);
1826 impl->skip_pager_hint = skips_pager;
1828 if (GDK_WINDOW_IS_MAPPED (window))
1829 gdk_wmspec_change_state (skips_pager, window,
1830 gdk_atom_intern ("_NET_WM_STATE_SKIP_PAGER", FALSE),
1835 * gdk_window_set_geometry_hints:
1836 * @window: a toplevel #GdkWindow
1837 * @geometry: geometry hints
1838 * @geom_mask: bitmask indicating fields of @geometry to pay attention to
1840 * Sets the geometry hints for @window. Hints flagged in @geom_mask
1841 * are set, hints not flagged in @geom_mask are unset.
1842 * To unset all hints, use a @geom_mask of 0 and a @geometry of %NULL.
1844 * This function provides hints to the windowing system about
1845 * acceptable sizes for a toplevel window. The purpose of
1846 * this is to constrain user resizing, but the windowing system
1847 * will typically (but is not required to) also constrain the
1848 * current size of the window to the provided values and
1849 * constrain programatic resizing via gdk_window_resize() or
1850 * gdk_window_move_resize().
1852 * Note that on X11, this effect has no effect on windows
1853 * of type GDK_WINDOW_TEMP or windows where override_redirect
1854 * has been turned on via gdk_window_set_override_redirect()
1855 * since these windows are not resizable by the user.
1857 * Since you can't count on the windowing system doing the
1858 * constraints for programmatic resizes, you should generally
1859 * call gdk_window_constrain_size() yourself to determine
1860 * appropriate sizes.
1864 gdk_window_set_geometry_hints (GdkWindow *window,
1865 GdkGeometry *geometry,
1866 GdkWindowHints geom_mask)
1868 XSizeHints size_hints;
1870 g_return_if_fail (window != NULL);
1871 g_return_if_fail (GDK_IS_WINDOW (window));
1873 if (GDK_WINDOW_DESTROYED (window))
1876 size_hints.flags = 0;
1878 if (geom_mask & GDK_HINT_POS)
1880 size_hints.flags |= PPosition;
1881 /* We need to initialize the following obsolete fields because KWM
1882 * apparently uses these fields if they are non-zero.
1889 if (geom_mask & GDK_HINT_USER_POS)
1891 size_hints.flags |= USPosition;
1894 if (geom_mask & GDK_HINT_USER_SIZE)
1896 size_hints.flags |= USSize;
1899 if (geom_mask & GDK_HINT_MIN_SIZE)
1901 size_hints.flags |= PMinSize;
1902 size_hints.min_width = geometry->min_width;
1903 size_hints.min_height = geometry->min_height;
1906 if (geom_mask & GDK_HINT_MAX_SIZE)
1908 size_hints.flags |= PMaxSize;
1909 size_hints.max_width = MAX (geometry->max_width, 1);
1910 size_hints.max_height = MAX (geometry->max_height, 1);
1913 if (geom_mask & GDK_HINT_BASE_SIZE)
1915 size_hints.flags |= PBaseSize;
1916 size_hints.base_width = geometry->base_width;
1917 size_hints.base_height = geometry->base_height;
1920 if (geom_mask & GDK_HINT_RESIZE_INC)
1922 size_hints.flags |= PResizeInc;
1923 size_hints.width_inc = geometry->width_inc;
1924 size_hints.height_inc = geometry->height_inc;
1927 if (geom_mask & GDK_HINT_ASPECT)
1929 size_hints.flags |= PAspect;
1930 if (geometry->min_aspect <= 1)
1932 size_hints.min_aspect.x = 65536 * geometry->min_aspect;
1933 size_hints.min_aspect.y = 65536;
1937 size_hints.min_aspect.x = 65536;
1938 size_hints.min_aspect.y = 65536 / geometry->min_aspect;;
1940 if (geometry->max_aspect <= 1)
1942 size_hints.max_aspect.x = 65536 * geometry->max_aspect;
1943 size_hints.max_aspect.y = 65536;
1947 size_hints.max_aspect.x = 65536;
1948 size_hints.max_aspect.y = 65536 / geometry->max_aspect;;
1952 if (geom_mask & GDK_HINT_WIN_GRAVITY)
1954 size_hints.flags |= PWinGravity;
1955 size_hints.win_gravity = geometry->win_gravity;
1958 /* FIXME: Would it be better to delete this property if
1959 * geom_mask == 0? It would save space on the server
1961 XSetWMNormalHints (GDK_WINDOW_XDISPLAY (window),
1962 GDK_WINDOW_XID (window),
1967 gdk_window_get_geometry_hints (GdkWindow *window,
1968 GdkGeometry *geometry,
1969 GdkWindowHints *geom_mask)
1971 XSizeHints size_hints;
1972 glong junk_size_mask = 0;
1974 g_return_if_fail (GDK_IS_WINDOW (window));
1975 g_return_if_fail (geometry != NULL);
1976 g_return_if_fail (geom_mask != NULL);
1980 if (GDK_WINDOW_DESTROYED (window))
1983 if (!XGetWMNormalHints (GDK_WINDOW_XDISPLAY (window),
1984 GDK_WINDOW_XID (window),
1989 if (size_hints.flags & PMinSize)
1991 *geom_mask |= GDK_HINT_MIN_SIZE;
1992 geometry->min_width = size_hints.min_width;
1993 geometry->min_height = size_hints.min_height;
1996 if (size_hints.flags & PMaxSize)
1998 *geom_mask |= GDK_HINT_MAX_SIZE;
1999 geometry->max_width = MAX (size_hints.max_width, 1);
2000 geometry->max_height = MAX (size_hints.max_height, 1);
2003 if (size_hints.flags & PResizeInc)
2005 *geom_mask |= GDK_HINT_RESIZE_INC;
2006 geometry->width_inc = size_hints.width_inc;
2007 geometry->height_inc = size_hints.height_inc;
2010 if (size_hints.flags & PAspect)
2012 *geom_mask |= GDK_HINT_ASPECT;
2014 geometry->min_aspect = (gdouble) size_hints.min_aspect.x / (gdouble) size_hints.min_aspect.y;
2015 geometry->max_aspect = (gdouble) size_hints.max_aspect.x / (gdouble) size_hints.max_aspect.y;
2018 if (size_hints.flags & PWinGravity)
2020 *geom_mask |= GDK_HINT_WIN_GRAVITY;
2021 geometry->win_gravity = size_hints.win_gravity;
2026 utf8_is_latin1 (const gchar *str)
2028 const char *p = str;
2032 gunichar ch = g_utf8_get_char (p);
2037 p = g_utf8_next_char (p);
2043 /* Set the property to @utf8_str as STRING if the @utf8_str is fully
2044 * convertable to STRING, otherwise, set it as compound text
2047 set_text_property (GdkDisplay *display,
2050 const gchar *utf8_str)
2052 guchar *prop_text = NULL;
2057 if (utf8_is_latin1 (utf8_str))
2059 prop_type = XA_STRING;
2060 prop_text = gdk_utf8_to_string_target (utf8_str);
2061 prop_length = prop_text ? strlen (prop_text) : 0;
2068 gdk_utf8_to_compound_text_for_display (display,
2069 utf8_str, &gdk_type, &prop_format,
2070 &prop_text, &prop_length);
2071 prop_type = gdk_x11_atom_to_xatom_for_display (display, gdk_type);
2076 XChangeProperty (GDK_DISPLAY_XDISPLAY (display),
2079 prop_type, prop_format,
2080 PropModeReplace, prop_text,
2087 /* Set WM_NAME and _NET_WM_NAME
2090 set_wm_name (GdkDisplay *display,
2094 XChangeProperty (GDK_DISPLAY_XDISPLAY (display), xwindow,
2095 gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_NAME"),
2096 gdk_x11_get_xatom_by_name_for_display (display, "UTF8_STRING"), 8,
2097 PropModeReplace, name, strlen (name));
2099 set_text_property (display, xwindow,
2100 gdk_x11_get_xatom_by_name_for_display (display, "WM_NAME"),
2105 * gdk_window_set_title:
2106 * @window: a toplevel #GdkWindow
2107 * @title: title of @window
2109 * Sets the title of a toplevel window, to be displayed in the titlebar.
2110 * If you haven't explicitly set the icon name for the window
2111 * (using gdk_window_set_icon_name()), the icon name will be set to
2112 * @title as well. @title must be in UTF-8 encoding (as with all
2113 * user-readable strings in GDK/GTK+). @title may not be %NULL.
2116 gdk_window_set_title (GdkWindow *window,
2119 GdkDisplay *display;
2123 g_return_if_fail (window != NULL);
2124 g_return_if_fail (GDK_IS_WINDOW (window));
2125 g_return_if_fail (title != NULL);
2127 if (GDK_WINDOW_DESTROYED (window))
2130 display = gdk_drawable_get_display (window);
2131 xdisplay = GDK_DISPLAY_XDISPLAY (display);
2132 xwindow = GDK_WINDOW_XID (window);
2134 set_wm_name (display, xwindow, title);
2136 if (!gdk_window_icon_name_set (window))
2138 XChangeProperty (xdisplay, xwindow,
2139 gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_ICON_NAME"),
2140 gdk_x11_get_xatom_by_name_for_display (display, "UTF8_STRING"), 8,
2141 PropModeReplace, title, strlen (title));
2143 set_text_property (display, xwindow,
2144 gdk_x11_get_xatom_by_name_for_display (display, "WM_ICON_NAME"),
2150 * gdk_window_set_role:
2151 * @window: a toplevel #GdkWindow
2152 * @role: a string indicating its role
2154 * When using GTK+, typically you should use gtk_window_set_role() instead
2155 * of this low-level function.
2157 * The window manager and session manager use a window's role to
2158 * distinguish it from other kinds of window in the same application.
2159 * When an application is restarted after being saved in a previous
2160 * session, all windows with the same title and role are treated as
2161 * interchangeable. So if you have two windows with the same title
2162 * that should be distinguished for session management purposes, you
2163 * should set the role on those windows. It doesn't matter what string
2164 * you use for the role, as long as you have a different role for each
2165 * non-interchangeable kind of window.
2169 gdk_window_set_role (GdkWindow *window,
2172 GdkDisplay *display;
2174 g_return_if_fail (window != NULL);
2175 g_return_if_fail (GDK_IS_WINDOW (window));
2177 display = gdk_drawable_get_display (window);
2179 if (!GDK_WINDOW_DESTROYED (window))
2182 XChangeProperty (GDK_DISPLAY_XDISPLAY (display), GDK_WINDOW_XID (window),
2183 gdk_x11_get_xatom_by_name_for_display (display, "WM_WINDOW_ROLE"),
2184 XA_STRING, 8, PropModeReplace, role, strlen (role));
2186 XDeleteProperty (GDK_DISPLAY_XDISPLAY (display), GDK_WINDOW_XID (window),
2187 gdk_x11_get_xatom_by_name_for_display (display, "WM_WINDOW_ROLE"));
2192 * gdk_window_set_transient_for:
2193 * @window: a toplevel #GdkWindow
2194 * @parent: another toplevel #GdkWindow
2196 * Indicates to the window manager that @window is a transient dialog
2197 * associated with the application window @parent. This allows the
2198 * window manager to do things like center @window on @parent and
2199 * keep @window above @parent.
2201 * See gtk_window_set_transient_for() if you're using #GtkWindow or
2206 gdk_window_set_transient_for (GdkWindow *window,
2209 GdkWindowObject *private;
2210 GdkWindowObject *parent_private;
2212 g_return_if_fail (window != NULL);
2213 g_return_if_fail (GDK_IS_WINDOW (window));
2215 private = (GdkWindowObject*) window;
2216 parent_private = (GdkWindowObject*) parent;
2218 if (!GDK_WINDOW_DESTROYED (window) && !GDK_WINDOW_DESTROYED (parent))
2219 XSetTransientForHint (GDK_WINDOW_XDISPLAY (window),
2220 GDK_WINDOW_XID (window),
2221 GDK_WINDOW_XID (parent));
2225 * gdk_window_set_background:
2226 * @window: a #GdkWindow
2227 * @color: an allocated #GdkColor
2229 * Sets the background color of @window. (However, when using GTK+,
2230 * set the background of a widget with gtk_widget_modify_bg() - if
2231 * you're an application - or gtk_style_set_background() - if you're
2232 * implementing a custom widget.)
2234 * The @color must be allocated; gdk_rgb_find_color() is the best way
2235 * to allocate a color.
2237 * See also gdk_window_set_back_pixmap().
2241 gdk_window_set_background (GdkWindow *window,
2244 GdkWindowObject *private = (GdkWindowObject *)window;
2246 g_return_if_fail (window != NULL);
2247 g_return_if_fail (GDK_IS_WINDOW (window));
2249 if (!GDK_WINDOW_DESTROYED (window))
2250 XSetWindowBackground (GDK_WINDOW_XDISPLAY (window),
2251 GDK_WINDOW_XID (window), color->pixel);
2253 private->bg_color = *color;
2255 if (private->bg_pixmap &&
2256 private->bg_pixmap != GDK_PARENT_RELATIVE_BG &&
2257 private->bg_pixmap != GDK_NO_BG)
2258 g_object_unref (private->bg_pixmap);
2260 private->bg_pixmap = NULL;
2264 * gdk_window_set_back_pixmap:
2265 * @window: a #GdkWindow
2266 * @pixmap: a #GdkPixmap, or %NULL
2267 * @parent_relative: whether the tiling origin is at the origin of @window's parent
2269 * Sets the background pixmap of @window. May also be used to set a background of
2270 * "None" on @window, by setting a background pixmap of %NULL.
2271 * A background pixmap will be tiled, positioning the first tile at the origin of
2272 * @window, or if @parent_relative is %TRUE, the tiling will be done based on the
2273 * origin of the parent window (useful to align tiles in a parent with tiles
2276 * A background pixmap of %NULL means that the window will have no
2277 * background. A window with no background will never have its
2278 * background filled by the windowing system, instead the window will
2279 * contain whatever pixels were already in the corresponding area of
2282 * The windowing system will normally fill a window with its background
2283 * when the window is obscured then exposed, and when you call
2284 * gdk_window_clear().
2288 gdk_window_set_back_pixmap (GdkWindow *window,
2290 gboolean parent_relative)
2292 GdkWindowObject *private = (GdkWindowObject *)window;
2295 g_return_if_fail (window != NULL);
2296 g_return_if_fail (GDK_IS_WINDOW (window));
2297 g_return_if_fail (pixmap == NULL || !parent_relative);
2298 g_return_if_fail (pixmap == NULL || gdk_drawable_get_depth (window) == gdk_drawable_get_depth (pixmap));
2300 if (private->bg_pixmap &&
2301 private->bg_pixmap != GDK_PARENT_RELATIVE_BG &&
2302 private->bg_pixmap != GDK_NO_BG)
2303 g_object_unref (private->bg_pixmap);
2305 if (parent_relative)
2307 xpixmap = ParentRelative;
2308 private->bg_pixmap = GDK_PARENT_RELATIVE_BG;
2314 g_object_ref (pixmap);
2315 private->bg_pixmap = pixmap;
2316 xpixmap = GDK_PIXMAP_XID (pixmap);
2321 private->bg_pixmap = GDK_NO_BG;
2325 if (!GDK_WINDOW_DESTROYED (window))
2326 XSetWindowBackgroundPixmap (GDK_WINDOW_XDISPLAY (window),
2327 GDK_WINDOW_XID (window), xpixmap);
2331 * gdk_window_set_cursor:
2332 * @window: a #GdkWindow
2335 * Sets the mouse pointer for a #GdkWindow. Use gdk_cursor_new() or
2336 * gdk_cursor_new_from_pixmap() to create the cursor.
2337 * To make the cursor invisible, use gdk_cursor_new_from_pixmap() to create
2338 * a cursor with no pixels in it. Passing %NULL for the @cursor argument
2339 * to gdk_window_set_cursor() means that @window will use the cursor of
2340 * its parent window. Most windows should use this default.
2344 gdk_window_set_cursor (GdkWindow *window,
2347 GdkCursorPrivate *cursor_private;
2350 g_return_if_fail (window != NULL);
2351 g_return_if_fail (GDK_IS_WINDOW (window));
2353 cursor_private = (GdkCursorPrivate*) cursor;
2358 xcursor = cursor_private->xcursor;
2360 if (!GDK_WINDOW_DESTROYED (window))
2361 XDefineCursor (GDK_WINDOW_XDISPLAY (window),
2362 GDK_WINDOW_XID (window),
2367 * gdk_window_get_geometry:
2368 * @window: a #GdkWindow
2369 * @x: return location for X coordinate of window (relative to its parent)
2370 * @y: return location for Y coordinate of window (relative to its parent)
2371 * @width: return location for width of window
2372 * @height: return location for height of window
2373 * @depth: return location for bit depth of window
2375 * Any of the return location arguments to this function may be %NULL,
2376 * if you aren't interested in getting the value of that field.
2378 * The X and Y coordinates returned are relative to the parent window
2379 * of @window, which for toplevels usually means relative to the
2380 * window decorations (titlebar, etc.) rather than relative to the
2381 * root window (screen-size background window).
2383 * On the X11 platform, the geometry is obtained from the X server,
2384 * so reflects the latest position of @window; this may be out-of-sync
2385 * with the position of @window delivered in the most-recently-processed
2386 * #GdkEventConfigure. gdk_window_get_position() in contrast gets the
2387 * position from the most recent configure event.
2391 gdk_window_get_geometry (GdkWindow *window,
2403 guint tborder_width;
2406 g_return_if_fail (window == NULL || GDK_IS_WINDOW (window));
2410 GDK_NOTE (MULTIHEAD,
2411 g_message ("gdk_window_get_geometry(): Window needs to be non-NULL to be multi head safe"));
2412 window = gdk_screen_get_root_window ((gdk_screen_get_default ()));
2415 if (!GDK_WINDOW_DESTROYED (window))
2417 XGetGeometry (GDK_WINDOW_XDISPLAY (window),
2418 GDK_WINDOW_XID (window),
2419 &root, &tx, &ty, &twidth, &theight, &tborder_width, &tdepth);
2435 * gdk_window_get_origin:
2436 * @window: a #GdkWindow
2437 * @x: return location for X coordinate
2438 * @y: return location for Y coordinate
2440 * Obtains the position of a window in root window coordinates.
2441 * (Compare with gdk_window_get_position() and
2442 * gdk_window_get_geometry() which return the position of a window
2443 * relative to its parent window.)
2445 * Return value: not meaningful, ignore
2448 gdk_window_get_origin (GdkWindow *window,
2457 g_return_val_if_fail (window != NULL, 0);
2459 if (!GDK_WINDOW_DESTROYED (window))
2461 return_val = XTranslateCoordinates (GDK_WINDOW_XDISPLAY (window),
2462 GDK_WINDOW_XID (window),
2463 GDK_WINDOW_XROOTWIN (window),
2479 * gdk_window_get_deskrelative_origin:
2480 * @window: a toplevel #GdkWindow
2481 * @x: return location for X coordinate
2482 * @y: return location for Y coordinate
2484 * This gets the origin of a #GdkWindow relative to
2485 * an Enlightenment-window-manager desktop. As long as you don't
2486 * assume that the user's desktop/workspace covers the entire
2487 * root window (i.e. you don't assume that the desktop begins
2488 * at root window coordinate 0,0) this function is not necessary.
2489 * It's deprecated for that reason.
2491 * Return value: not meaningful
2494 gdk_window_get_deskrelative_origin (GdkWindow *window,
2498 gboolean return_val = FALSE;
2499 gint num_children, format_return;
2500 Window win, *child, parent, root;
2505 gulong number_return, bytes_after_return;
2506 guchar *data_return;
2508 g_return_val_if_fail (window != NULL, 0);
2509 g_return_val_if_fail (GDK_IS_WINDOW (window), 0);
2511 if (!GDK_WINDOW_DESTROYED (window))
2513 atom = gdk_x11_get_xatom_by_name_for_display (GDK_WINDOW_DISPLAY (window),
2514 "ENLIGHTENMENT_DESKTOP");
2515 win = GDK_WINDOW_XID (window);
2517 while (XQueryTree (GDK_WINDOW_XDISPLAY (window), win, &root, &parent,
2518 &child, (unsigned int *)&num_children))
2520 if ((child) && (num_children > 0))
2532 XGetWindowProperty (GDK_WINDOW_XDISPLAY (window), win, atom, 0, 0,
2533 False, XA_CARDINAL, &type_return, &format_return,
2534 &number_return, &bytes_after_return, &data_return);
2536 if (type_return == XA_CARDINAL)
2538 XFree (data_return);
2543 return_val = XTranslateCoordinates (GDK_WINDOW_XDISPLAY (window),
2544 GDK_WINDOW_XID (window),
2559 * gdk_window_get_root_origin:
2560 * @window: a toplevel #GdkWindow
2561 * @x: return location for X position of window frame
2562 * @y: return location for Y position of window frame
2564 * Obtains the top-left corner of the window manager frame in root
2565 * window coordinates.
2569 gdk_window_get_root_origin (GdkWindow *window,
2575 g_return_if_fail (GDK_IS_WINDOW (window));
2577 gdk_window_get_frame_extents (window, &rect);
2587 * gdk_window_get_frame_extents:
2588 * @window: a toplevel #GdkWindow
2589 * @rect: rectangle to fill with bounding box of the window frame
2591 * Obtains the bounding box of the window, including window manager
2592 * titlebar/borders if any. The frame position is given in root window
2593 * coordinates. To get the position of the window itself (rather than
2594 * the frame) in root window coordinates, use gdk_window_get_origin().
2598 gdk_window_get_frame_extents (GdkWindow *window,
2601 GdkWindowObject *private;
2606 unsigned int nchildren;
2608 g_return_if_fail (GDK_IS_WINDOW (window));
2609 g_return_if_fail (rect != NULL);
2611 private = (GdkWindowObject*) window;
2618 if (GDK_WINDOW_DESTROYED (window))
2621 while (private->parent && ((GdkWindowObject*) private->parent)->parent)
2622 private = (GdkWindowObject*) private->parent;
2623 if (GDK_WINDOW_DESTROYED (window))
2626 xparent = GDK_WINDOW_XID (window);
2630 if (!XQueryTree (GDK_WINDOW_XDISPLAY (window), xwindow,
2632 &children, &nchildren))
2638 while (xparent != root);
2640 if (xparent == root)
2642 unsigned int ww, wh, wb, wd;
2645 if (XGetGeometry (GDK_WINDOW_XDISPLAY (window), xwindow, &root, &wx, &wy, &ww, &wh, &wb, &wd))
2656 _gdk_windowing_get_pointer (GdkDisplay *display,
2660 GdkModifierType *mask)
2662 GdkScreen *default_screen;
2670 if (display->closed)
2673 default_screen = gdk_display_get_default_screen (display);
2675 XQueryPointer (GDK_SCREEN_XDISPLAY (default_screen),
2676 GDK_SCREEN_XROOTWIN (default_screen),
2677 &root, &child, &rootx, &rooty, &winx, &winy, &xmask);
2681 GdkWindow *gdk_root = gdk_window_lookup_for_display (display, root);
2682 *screen = gdk_drawable_get_screen (gdk_root);
2691 _gdk_windowing_window_get_pointer (GdkDisplay *display,
2695 GdkModifierType *mask)
2697 GdkWindow *return_val;
2703 unsigned int xmask = 0;
2704 gint xoffset, yoffset;
2706 g_return_val_if_fail (window == NULL || GDK_IS_WINDOW (window), NULL);
2708 _gdk_windowing_window_get_offsets (window, &xoffset, &yoffset);
2711 if (!GDK_WINDOW_DESTROYED (window) &&
2712 XQueryPointer (GDK_WINDOW_XDISPLAY (window),
2713 GDK_WINDOW_XID (window),
2714 &root, &child, &rootx, &rooty, &winx, &winy, &xmask))
2717 return_val = gdk_window_lookup_for_display (GDK_WINDOW_DISPLAY (window), child);
2720 *x = winx + xoffset;
2721 *y = winy + yoffset;
2728 _gdk_windowing_window_at_pointer (GdkDisplay *display,
2737 Window xwindow_last = 0;
2739 int rootx = -1, rooty = -1;
2743 screen = gdk_display_get_default_screen (display);
2745 xwindow = GDK_SCREEN_XROOTWIN (screen);
2746 xdisplay = GDK_SCREEN_XDISPLAY (screen);
2748 /* This function really only works if the mouse pointer is held still
2749 * during its operation. If it moves from one leaf window to another
2750 * than we'll end up with inaccurate values for win_x, win_y
2753 XGrabServer (xdisplay);
2754 XQueryPointer (xdisplay, xwindow,
2755 &root, &child, &rootx, &rooty, &winx, &winy, &xmask);
2757 if (root == xwindow)
2764 xwindow_last = xwindow;
2765 XQueryPointer (xdisplay, xwindow,
2766 &root, &xwindow, &rootx, &rooty, &winx, &winy, &xmask);
2768 XUngrabServer (xdisplay);
2770 window = gdk_window_lookup_for_display (GDK_SCREEN_DISPLAY(screen),
2772 *win_x = window ? winx : -1;
2773 *win_y = window ? winy : -1;
2779 * gdk_window_get_events:
2780 * @window: a #GdkWindow
2782 * Gets the event mask for @window. See gdk_window_set_events().
2784 * Return value: event mask for @window
2787 gdk_window_get_events (GdkWindow *window)
2789 XWindowAttributes attrs;
2790 GdkEventMask event_mask;
2792 g_return_val_if_fail (window != NULL, 0);
2793 g_return_val_if_fail (GDK_IS_WINDOW (window), 0);
2795 if (GDK_WINDOW_DESTROYED (window))
2799 XGetWindowAttributes (GDK_WINDOW_XDISPLAY (window),
2800 GDK_WINDOW_XID (window),
2803 event_mask = x_event_mask_to_gdk_event_mask (attrs.your_event_mask);
2804 GDK_WINDOW_OBJECT (window)->event_mask = event_mask;
2811 * gdk_window_set_events:
2812 * @window: a #GdkWindow
2813 * @event_mask: event mask for @window
2815 * The event mask for a window determines which events will be reported
2816 * for that window. For example, an event mask including #GDK_BUTTON_PRESS_MASK
2817 * means the window should report button press events. The event mask
2818 * is the bitwise OR of values from the #GdkEventMask enumeration.
2822 gdk_window_set_events (GdkWindow *window,
2823 GdkEventMask event_mask)
2828 g_return_if_fail (window != NULL);
2829 g_return_if_fail (GDK_IS_WINDOW (window));
2831 if (!GDK_WINDOW_DESTROYED (window))
2833 GDK_WINDOW_OBJECT (window)->event_mask = event_mask;
2834 xevent_mask = StructureNotifyMask | PropertyChangeMask;
2835 for (i = 0; i < _gdk_nenvent_masks; i++)
2837 if (event_mask & (1 << (i + 1)))
2838 xevent_mask |= _gdk_event_mask_table[i];
2841 XSelectInput (GDK_WINDOW_XDISPLAY (window),
2842 GDK_WINDOW_XID (window),
2848 gdk_window_add_colormap_windows (GdkWindow *window)
2850 GdkWindow *toplevel;
2851 Window *old_windows;
2852 Window *new_windows;
2855 g_return_if_fail (window != NULL);
2856 g_return_if_fail (GDK_IS_WINDOW (window));
2858 if (GDK_WINDOW_DESTROYED (window))
2860 toplevel = gdk_window_get_toplevel (window);
2863 if (!XGetWMColormapWindows (GDK_WINDOW_XDISPLAY (toplevel),
2864 GDK_WINDOW_XID (toplevel),
2865 &old_windows, &count))
2870 for (i = 0; i < count; i++)
2871 if (old_windows[i] == GDK_WINDOW_XID (window))
2873 XFree (old_windows);
2877 new_windows = g_new (Window, count + 1);
2879 for (i = 0; i < count; i++)
2880 new_windows[i] = old_windows[i];
2881 new_windows[count] = GDK_WINDOW_XID (window);
2883 XSetWMColormapWindows (GDK_WINDOW_XDISPLAY (toplevel),
2884 GDK_WINDOW_XID (toplevel),
2885 new_windows, count + 1);
2887 g_free (new_windows);
2889 XFree (old_windows);
2893 gdk_window_have_shape_ext (GdkDisplay *display)
2895 GdkDisplayX11 *display_x11;
2897 g_return_val_if_fail (GDK_IS_DISPLAY (display), FALSE);
2899 display_x11 = GDK_DISPLAY_X11 (display);
2901 if (display_x11->have_shape == GDK_UNKNOWN)
2904 if (XQueryExtension (display_x11->xdisplay, "SHAPE", &ignore, &ignore, &ignore))
2905 display_x11->have_shape = GDK_YES;
2907 display_x11->have_shape = GDK_NO;
2910 return (display_x11->have_shape == GDK_YES);
2913 #define WARN_SHAPE_TOO_BIG() g_warning ("GdkWindow is too large to allow the use of shape masks or shape regions.")
2916 * This needs the X11 shape extension.
2917 * If not available, shaped windows will look
2918 * ugly, but programs still work. Stefan Wille
2921 * gdk_window_shape_combine_mask:
2922 * @window: a #GdkWindow
2924 * @x: X position of shape mask with respect to @window
2925 * @y: Y position of shape mask with respect to @window
2927 * Applies a shape mask to @window. Pixels in @window corresponding to
2928 * set bits in the @mask will be visible; pixels in @window
2929 * corresponding to unset bits in the @mask will be transparent. This
2930 * gives a non-rectangular window.
2932 * If @mask is %NULL, the shape mask will be unset, and the @x/@y
2933 * parameters are not used.
2935 * On the X11 platform, this uses an X server extension which is
2936 * widely available on most common platforms, but not available on
2937 * very old X servers, and occasionally the implementation will be
2938 * buggy. On servers without the shape extension, this function
2941 * This function works on both toplevel and child windows.
2945 gdk_window_shape_combine_mask (GdkWindow *window,
2950 gint xoffset, yoffset;
2952 g_return_if_fail (window != NULL);
2953 g_return_if_fail (GDK_IS_WINDOW (window));
2955 #ifdef HAVE_SHAPE_EXT
2956 if (GDK_WINDOW_DESTROYED (window))
2959 _gdk_windowing_window_get_offsets (window, &xoffset, &yoffset);
2961 if (xoffset != 0 || yoffset != 0)
2963 WARN_SHAPE_TOO_BIG ();
2967 if (gdk_window_have_shape_ext (GDK_WINDOW_DISPLAY (window)))
2971 pixmap = GDK_PIXMAP_XID (mask);
2980 XShapeCombineMask (GDK_WINDOW_XDISPLAY (window),
2981 GDK_WINDOW_XID (window),
2987 #endif /* HAVE_SHAPE_EXT */
2991 * gdk_window_shape_combine_region:
2992 * @window: a #GdkWindow
2993 * @shape_region: region of window to be non-transparent
2994 * @offset_x: X position of @shape_region in @window coordinates
2995 * @offset_y: Y position of @shape_region in @window coordinates
2997 * Makes pixels in @window outside @shape_region be transparent,
2998 * so that the window may be nonrectangular. See also
2999 * gdk_window_shape_combine_mask() to use a bitmap as the mask.
3001 * If @shape_region is %NULL, the shape will be unset, so the whole
3002 * window will be opaque again. @offset_x and @offset_y are ignored
3003 * if @shape_region is %NULL.
3005 * On the X11 platform, this uses an X server extension which is
3006 * widely available on most common platforms, but not available on
3007 * very old X servers, and occasionally the implementation will be
3008 * buggy. On servers without the shape extension, this function
3011 * This function works on both toplevel and child windows.
3015 gdk_window_shape_combine_region (GdkWindow *window,
3016 GdkRegion *shape_region,
3020 gint xoffset, yoffset;
3022 g_return_if_fail (GDK_IS_WINDOW (window));
3024 #ifdef HAVE_SHAPE_EXT
3025 if (GDK_WINDOW_DESTROYED (window))
3028 _gdk_windowing_window_get_offsets (window, &xoffset, &yoffset);
3030 if (xoffset != 0 || yoffset != 0)
3032 WARN_SHAPE_TOO_BIG ();
3036 if (shape_region == NULL)
3038 /* Use NULL mask to unset the shape */
3039 gdk_window_shape_combine_mask (window, NULL, 0, 0);
3043 if (gdk_window_have_shape_ext (GDK_WINDOW_DISPLAY (window)))
3046 XRectangle *xrects = NULL;
3048 _gdk_region_get_xrectangles (shape_region,
3052 XShapeCombineRectangles (GDK_WINDOW_XDISPLAY (window),
3053 GDK_WINDOW_XID (window),
3062 #endif /* HAVE_SHAPE_EXT */
3067 * gdk_window_set_override_redirect:
3068 * @window: a toplevel #GdkWindow
3069 * @override_redirect: %TRUE if window should be override redirect
3071 * An override redirect window is not under the control of the window manager.
3072 * This means it won't have a titlebar, won't be minimizable, etc. - it will
3073 * be entirely under the control of the application. The window manager
3074 * can't see the override redirect window at all.
3076 * Override redirect should only be used for short-lived temporary
3077 * windows, such as popup menus. #GtkMenu uses an override redirect
3078 * window in its implementation, for example.
3082 gdk_window_set_override_redirect (GdkWindow *window,
3083 gboolean override_redirect)
3085 XSetWindowAttributes attr;
3087 g_return_if_fail (window != NULL);
3088 g_return_if_fail (GDK_IS_WINDOW (window));
3090 if (!GDK_WINDOW_DESTROYED (window))
3092 attr.override_redirect = (override_redirect == FALSE)?False:True;
3093 XChangeWindowAttributes (GDK_WINDOW_XDISPLAY (window),
3094 GDK_WINDOW_XID (window),
3102 * gdk_window_set_icon_list:
3103 * @window: The #GdkWindow toplevel window to set the icon of.
3104 * @pixbufs: A list of pixbufs, of different sizes.
3106 * Sets a list of icons for the window. One of these will be used
3107 * to represent the window when it has been iconified. The icon is
3108 * usually shown in an icon box or some sort of task bar. Which icon
3109 * size is shown depends on the window manager. The window manager
3110 * can scale the icon but setting several size icons can give better
3111 * image quality since the window manager may only need to scale the
3112 * icon by a small amount or not at all.
3116 gdk_window_set_icon_list (GdkWindow *window,
3125 gint width, height, stride;
3128 GdkDisplay *display;
3130 g_return_if_fail (GDK_IS_WINDOW (window));
3132 if (GDK_WINDOW_DESTROYED (window))
3135 display = gdk_drawable_get_display (window);
3143 g_return_if_fail (GDK_IS_PIXBUF (pixbuf));
3145 width = gdk_pixbuf_get_width (pixbuf);
3146 height = gdk_pixbuf_get_height (pixbuf);
3148 size += 2 + width * height;
3150 l = g_list_next (l);
3153 data = g_malloc (size * sizeof (gulong));
3161 width = gdk_pixbuf_get_width (pixbuf);
3162 height = gdk_pixbuf_get_height (pixbuf);
3163 stride = gdk_pixbuf_get_rowstride (pixbuf);
3164 n_channels = gdk_pixbuf_get_n_channels (pixbuf);
3169 pixels = gdk_pixbuf_get_pixels (pixbuf);
3171 for (y = 0; y < height; y++)
3173 for (x = 0; x < width; x++)
3177 r = pixels[y*stride + x*n_channels + 0];
3178 g = pixels[y*stride + x*n_channels + 1];
3179 b = pixels[y*stride + x*n_channels + 2];
3180 if (n_channels >= 4)
3181 a = pixels[y*stride + x*n_channels + 3];
3185 *p++ = a << 24 | r << 16 | g << 8 | b ;
3189 l = g_list_next (l);
3194 XChangeProperty (GDK_DISPLAY_XDISPLAY (display),
3195 GDK_WINDOW_XID (window),
3196 gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_ICON"),
3199 (guchar*) data, size);
3203 XDeleteProperty (GDK_DISPLAY_XDISPLAY (display),
3204 GDK_WINDOW_XID (window),
3205 gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_ICON"));
3212 * gdk_window_set_icon:
3213 * @window: a toplevel #GdkWindow
3214 * @icon_window: a #GdkWindow to use for the icon, or %NULL to unset
3215 * @pixmap: a #GdkPixmap to use as the icon, or %NULL to unset
3216 * @mask: a 1-bit pixmap (#GdkBitmap) to use as mask for @pixmap, or %NULL to have none
3218 * Sets the icon of @window as a pixmap or window. If using GTK+, investigate
3219 * gtk_window_set_default_icon_list() first, and then gtk_window_set_icon_list()
3220 * and gtk_window_set_icon(). If those don't meet your needs, look at
3221 * gdk_window_set_icon_list(). Only if all those are too high-level do you
3222 * want to fall back to gdk_window_set_icon().
3226 gdk_window_set_icon (GdkWindow *window,
3227 GdkWindow *icon_window,
3233 g_return_if_fail (window != NULL);
3234 g_return_if_fail (GDK_IS_WINDOW (window));
3236 if (GDK_WINDOW_DESTROYED (window))
3239 wm_hints = XGetWMHints (GDK_WINDOW_XDISPLAY (window),
3240 GDK_WINDOW_XID (window));
3242 wm_hints = XAllocWMHints ();
3244 if (icon_window != NULL)
3246 wm_hints->flags |= IconWindowHint;
3247 wm_hints->icon_window = GDK_WINDOW_XID (icon_window);
3252 wm_hints->flags |= IconPixmapHint;
3253 wm_hints->icon_pixmap = GDK_PIXMAP_XID (pixmap);
3258 wm_hints->flags |= IconMaskHint;
3259 wm_hints->icon_mask = GDK_PIXMAP_XID (mask);
3262 XSetWMHints (GDK_WINDOW_XDISPLAY (window),
3263 GDK_WINDOW_XID (window), wm_hints);
3268 gdk_window_icon_name_set (GdkWindow *window)
3270 return GPOINTER_TO_UINT (g_object_get_qdata (G_OBJECT (window),
3271 g_quark_from_static_string ("gdk-icon-name-set")));
3275 * gdk_window_set_icon_name:
3276 * @window: a toplevel #GdkWindow
3277 * @name: name of window while iconified (minimized)
3279 * Windows may have a name used while minimized, distinct from the
3280 * name they display in their titlebar. Most of the time this is a bad
3281 * idea from a user interface standpoint. But you can set such a name
3282 * with this function, if you like.
3286 gdk_window_set_icon_name (GdkWindow *window,
3289 GdkDisplay *display;
3291 g_return_if_fail (window != NULL);
3292 g_return_if_fail (GDK_IS_WINDOW (window));
3294 if (GDK_WINDOW_DESTROYED (window))
3297 display = gdk_drawable_get_display (window);
3299 g_object_set_qdata (G_OBJECT (window), g_quark_from_static_string ("gdk-icon-name-set"),
3300 GUINT_TO_POINTER (TRUE));
3302 XChangeProperty (GDK_DISPLAY_XDISPLAY (display),
3303 GDK_WINDOW_XID (window),
3304 gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_ICON_NAME"),
3305 gdk_x11_get_xatom_by_name_for_display (display, "UTF8_STRING"), 8,
3306 PropModeReplace, name, strlen (name));
3308 set_text_property (display, GDK_WINDOW_XID (window),
3309 gdk_x11_get_xatom_by_name_for_display (display, "WM_ICON_NAME"),
3314 * gdk_window_iconify:
3315 * @window: a toplevel #GdkWindow
3317 * Asks to iconify (minimize) @window. The window manager may choose
3318 * to ignore the request, but normally will honor it. Using
3319 * gtk_window_iconify() is preferred, if you have a #GtkWindow widget.
3321 * This function only makes sense when @window is a toplevel window.
3325 gdk_window_iconify (GdkWindow *window)
3327 GdkWindowObject *private;
3329 g_return_if_fail (window != NULL);
3330 g_return_if_fail (GDK_IS_WINDOW (window));
3332 if (GDK_WINDOW_DESTROYED (window))
3335 private = (GdkWindowObject*) window;
3337 if (GDK_WINDOW_IS_MAPPED (window))
3339 XIconifyWindow (GDK_WINDOW_XDISPLAY (window),
3340 GDK_WINDOW_XWINDOW (window),
3341 gdk_screen_get_number (GDK_WINDOW_SCREEN (window)));
3345 /* Flip our client side flag, the real work happens on map. */
3346 gdk_synthesize_window_state (window,
3348 GDK_WINDOW_STATE_ICONIFIED);
3353 * gdk_window_deiconify:
3354 * @window: a toplevel #GdkWindow
3356 * Attempt to deiconify (unminimize) @window. On X11 the window manager may
3357 * choose to ignore the request to deiconify. When using GTK+,
3358 * use gtk_window_deiconify() instead of the #GdkWindow variant. Or better yet,
3359 * you probably want to use gtk_window_present(), which raises the window, focuses it,
3360 * unminimizes it, and puts it on the current desktop.
3364 gdk_window_deiconify (GdkWindow *window)
3366 GdkWindowObject *private;
3368 g_return_if_fail (window != NULL);
3369 g_return_if_fail (GDK_IS_WINDOW (window));
3371 if (GDK_WINDOW_DESTROYED (window))
3374 private = (GdkWindowObject*) window;
3376 if (GDK_WINDOW_IS_MAPPED (window))
3378 gdk_window_show (window);
3382 /* Flip our client side flag, the real work happens on map. */
3383 gdk_synthesize_window_state (window,
3384 GDK_WINDOW_STATE_ICONIFIED,
3391 * @window: a toplevel #GdkWindow
3393 * "Pins" a window such that it's on all workspaces and does not scroll
3394 * with viewports, for window managers that have scrollable viewports.
3395 * (When using #GtkWindow, gtk_window_stick() may be more useful.)
3397 * On the X11 platform, this function depends on window manager
3398 * support, so may have no effect with many window managers. However,
3399 * GDK will do the best it can to convince the window manager to stick
3400 * the window. For window managers that don't support this operation,
3401 * there's nothing you can do to force it to happen.
3405 gdk_window_stick (GdkWindow *window)
3407 g_return_if_fail (GDK_IS_WINDOW (window));
3409 if (GDK_WINDOW_DESTROYED (window))
3412 if (GDK_WINDOW_IS_MAPPED (window))
3414 /* "stick" means stick to all desktops _and_ do not scroll with the
3415 * viewport. i.e. glue to the monitor glass in all cases.
3420 /* Request stick during viewport scroll */
3421 gdk_wmspec_change_state (TRUE, window,
3422 gdk_atom_intern ("_NET_WM_STATE_STICKY", FALSE),
3425 /* Request desktop 0xFFFFFFFF */
3426 xev.xclient.type = ClientMessage;
3427 xev.xclient.serial = 0;
3428 xev.xclient.send_event = True;
3429 xev.xclient.window = GDK_WINDOW_XWINDOW (window);
3430 xev.xclient.display = GDK_WINDOW_XDISPLAY (window);
3431 xev.xclient.message_type = gdk_x11_get_xatom_by_name_for_display (GDK_WINDOW_DISPLAY (window),
3433 xev.xclient.format = 32;
3435 xev.xclient.data.l[0] = 0xFFFFFFFF;
3437 XSendEvent (GDK_WINDOW_XDISPLAY (window), GDK_WINDOW_XROOTWIN (window), False,
3438 SubstructureRedirectMask | SubstructureNotifyMask,
3443 /* Flip our client side flag, the real work happens on map. */
3444 gdk_synthesize_window_state (window,
3446 GDK_WINDOW_STATE_STICKY);
3451 * gdk_window_unstick:
3452 * @window: a toplevel #GdkWindow
3454 * Reverse operation for gdk_window_stick(); see gdk_window_stick(),
3455 * and gtk_window_unstick().
3459 gdk_window_unstick (GdkWindow *window)
3461 g_return_if_fail (GDK_IS_WINDOW (window));
3463 if (GDK_WINDOW_DESTROYED (window))
3466 if (GDK_WINDOW_IS_MAPPED (window))
3473 gulong *current_desktop;
3474 GdkDisplay *display = gdk_drawable_get_display (window);
3476 /* Request unstick from viewport */
3477 gdk_wmspec_change_state (FALSE, window,
3478 gdk_atom_intern ("_NET_WM_STATE_STICKY", FALSE),
3481 /* Get current desktop, then set it; this is a race, but not
3482 * one that matters much in practice.
3484 XGetWindowProperty (GDK_DISPLAY_XDISPLAY (display), GDK_WINDOW_XROOTWIN (window),
3485 gdk_x11_get_xatom_by_name_for_display (display, "_NET_CURRENT_DESKTOP"),
3487 False, XA_CARDINAL, &type, &format, &nitems,
3488 &bytes_after, (guchar **)¤t_desktop);
3490 if (type == XA_CARDINAL)
3492 xev.xclient.type = ClientMessage;
3493 xev.xclient.serial = 0;
3494 xev.xclient.send_event = True;
3495 xev.xclient.window = GDK_WINDOW_XWINDOW (window);
3496 xev.xclient.message_type = gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_DESKTOP");
3497 xev.xclient.format = 32;
3499 xev.xclient.data.l[0] = *current_desktop;
3501 XSendEvent (GDK_DISPLAY_XDISPLAY (display), GDK_WINDOW_XROOTWIN (window), False,
3502 SubstructureRedirectMask | SubstructureNotifyMask,
3505 XFree (current_desktop);
3510 /* Flip our client side flag, the real work happens on map. */
3511 gdk_synthesize_window_state (window,
3512 GDK_WINDOW_STATE_STICKY,
3519 * gdk_window_maximize:
3520 * @window: a toplevel #GdkWindow
3522 * Maximizes the window. If the window was already maximized, then
3523 * this function does nothing.
3525 * On X11, asks the window manager to maximize @window, if the window
3526 * manager supports this operation. Not all window managers support
3527 * this, and some deliberately ignore it or don't have a concept of
3528 * "maximized"; so you can't rely on the maximization actually
3529 * happening. But it will happen with most standard window managers,
3530 * and GDK makes a best effort to get it to happen.
3532 * On Windows, reliably maximizes the window.
3536 gdk_window_maximize (GdkWindow *window)
3538 g_return_if_fail (GDK_IS_WINDOW (window));
3540 if (GDK_WINDOW_DESTROYED (window))
3543 if (GDK_WINDOW_IS_MAPPED (window))
3544 gdk_wmspec_change_state (TRUE, window,
3545 gdk_atom_intern ("_NET_WM_STATE_MAXIMIZED_VERT", FALSE),
3546 gdk_atom_intern ("_NET_WM_STATE_MAXIMIZED_HORZ", FALSE));
3548 gdk_synthesize_window_state (window,
3550 GDK_WINDOW_STATE_MAXIMIZED);
3554 * gdk_window_unmaximize:
3555 * @window: a toplevel #GdkWindow
3557 * Unmaximizes the window. If the window wasn't maximized, then this
3558 * function does nothing.
3560 * On X11, asks the window manager to unmaximize @window, if the
3561 * window manager supports this operation. Not all window managers
3562 * support this, and some deliberately ignore it or don't have a
3563 * concept of "maximized"; so you can't rely on the unmaximization
3564 * actually happening. But it will happen with most standard window
3565 * managers, and GDK makes a best effort to get it to happen.
3567 * On Windows, reliably unmaximizes the window.
3571 gdk_window_unmaximize (GdkWindow *window)
3573 g_return_if_fail (GDK_IS_WINDOW (window));
3575 if (GDK_WINDOW_DESTROYED (window))
3578 if (GDK_WINDOW_IS_MAPPED (window))
3579 gdk_wmspec_change_state (FALSE, window,
3580 gdk_atom_intern ("_NET_WM_STATE_MAXIMIZED_VERT", FALSE),
3581 gdk_atom_intern ("_NET_WM_STATE_MAXIMIZED_HORZ", FALSE));
3583 gdk_synthesize_window_state (window,
3584 GDK_WINDOW_STATE_MAXIMIZED,
3589 * gdk_window_fullscreen:
3590 * @window: a toplevel #GdkWindow
3592 * Moves the window into fullscreen mode. This means the
3593 * window covers the entire screen and is above any panels
3596 * If the window was already fullscreen, then this function does nothing.
3598 * On X11, asks the window manager to put @window in a fullscreen
3599 * state, if the window manager supports this operation. Not all
3600 * window managers support this, and some deliberately ignore it or
3601 * don't have a concept of "fullscreen"; so you can't rely on the
3602 * fullscreenification actually happening. But it will happen with
3603 * most standard window managers, and GDK makes a best effort to get
3609 gdk_window_fullscreen (GdkWindow *window)
3611 g_return_if_fail (GDK_IS_WINDOW (window));
3613 if (GDK_WINDOW_DESTROYED (window))
3616 if (GDK_WINDOW_IS_MAPPED (window))
3617 gdk_wmspec_change_state (TRUE, window,
3618 gdk_atom_intern ("_NET_WM_STATE_FULLSCREEN", FALSE),
3622 gdk_synthesize_window_state (window,
3624 GDK_WINDOW_STATE_FULLSCREEN);
3628 * gdk_window_unfullscreen:
3629 * @window: a toplevel #GdkWindow
3631 * Moves the window out of fullscreen mode. If the window was not
3632 * fullscreen, does nothing.
3634 * On X11, asks the window manager to move @window out of the fullscreen
3635 * state, if the window manager supports this operation. Not all
3636 * window managers support this, and some deliberately ignore it or
3637 * don't have a concept of "fullscreen"; so you can't rely on the
3638 * unfullscreenification actually happening. But it will happen with
3639 * most standard window managers, and GDK makes a best effort to get
3645 gdk_window_unfullscreen (GdkWindow *window)
3647 g_return_if_fail (GDK_IS_WINDOW (window));
3649 if (GDK_WINDOW_DESTROYED (window))
3652 if (GDK_WINDOW_IS_MAPPED (window))
3653 gdk_wmspec_change_state (FALSE, window,
3654 gdk_atom_intern ("_NET_WM_STATE_FULLSCREEN", FALSE),
3658 gdk_synthesize_window_state (window,
3659 GDK_WINDOW_STATE_FULLSCREEN,
3665 * gdk_window_set_group:
3666 * @window: a toplevel #GdkWindow
3667 * @leader: group leader window
3669 * Sets the group leader window for @window. By default,
3670 * GDK sets the group leader for all toplevel windows
3671 * to a global window implicitly created by GDK. With this function
3672 * you can override this default.
3674 * The group leader window allows the window manager to distinguish
3675 * all windows that belong to a single application. It may for example
3676 * allow users to minimize/unminimize all windows belonging to an
3677 * application at once. You should only set a non-default group window
3678 * if your application pretends to be multiple applications.
3679 * The group leader window may not be changed after a window has been
3680 * mapped (with gdk_window_show() for example).
3684 gdk_window_set_group (GdkWindow *window,
3689 g_return_if_fail (window != NULL);
3690 g_return_if_fail (GDK_IS_WINDOW (window));
3691 g_return_if_fail (leader != NULL);
3692 g_return_if_fail (GDK_IS_WINDOW (leader));
3694 if (GDK_WINDOW_DESTROYED (window) || GDK_WINDOW_DESTROYED (leader))
3697 wm_hints = XGetWMHints (GDK_WINDOW_XDISPLAY (window),
3698 GDK_WINDOW_XID (window));
3700 wm_hints = XAllocWMHints ();
3702 wm_hints->flags |= WindowGroupHint;
3703 wm_hints->window_group = GDK_WINDOW_XID (leader);
3705 XSetWMHints (GDK_WINDOW_XDISPLAY (window),
3706 GDK_WINDOW_XID (window), wm_hints);
3710 static MotifWmHints *
3711 gdk_window_get_mwm_hints (GdkWindow *window)
3713 GdkDisplay *display;
3714 Atom hints_atom = None;
3715 MotifWmHints *hints;
3721 if (GDK_WINDOW_DESTROYED (window))
3724 display = gdk_drawable_get_display (window);
3726 hints_atom = gdk_x11_get_xatom_by_name_for_display (display, _XA_MOTIF_WM_HINTS);
3728 XGetWindowProperty (GDK_DISPLAY_XDISPLAY (display), GDK_WINDOW_XID (window),
3729 hints_atom, 0, sizeof (MotifWmHints)/sizeof (long),
3730 False, AnyPropertyType, &type, &format, &nitems,
3731 &bytes_after, (guchar **)&hints);
3740 gdk_window_set_mwm_hints (GdkWindow *window,
3741 MotifWmHints *new_hints)
3743 GdkDisplay *display;
3744 Atom hints_atom = None;
3745 MotifWmHints *hints;
3751 if (GDK_WINDOW_DESTROYED (window))
3754 display = gdk_drawable_get_display (window);
3756 hints_atom = gdk_x11_get_xatom_by_name_for_display (display, _XA_MOTIF_WM_HINTS);
3758 XGetWindowProperty (GDK_WINDOW_XDISPLAY (window), GDK_WINDOW_XID (window),
3759 hints_atom, 0, sizeof (MotifWmHints)/sizeof (long),
3760 False, AnyPropertyType, &type, &format, &nitems,
3761 &bytes_after, (guchar **)&hints);
3767 if (new_hints->flags & MWM_HINTS_FUNCTIONS)
3769 hints->flags |= MWM_HINTS_FUNCTIONS;
3770 hints->functions = new_hints->functions;
3772 if (new_hints->flags & MWM_HINTS_DECORATIONS)
3774 hints->flags |= MWM_HINTS_DECORATIONS;
3775 hints->decorations = new_hints->decorations;
3779 XChangeProperty (GDK_WINDOW_XDISPLAY (window), GDK_WINDOW_XID (window),
3780 hints_atom, hints_atom, 32, PropModeReplace,
3781 (guchar *)hints, sizeof (MotifWmHints)/sizeof (long));
3783 if (hints != new_hints)
3788 * gdk_window_set_decorations:
3789 * @window: a toplevel #GdkWindow
3790 * @decorations: decoration hint mask
3792 * "Decorations" are the features the window manager adds to a toplevel #GdkWindow.
3793 * This function sets the traditional Motif window manager hints that tell the
3794 * window manager which decorations you would like your window to have.
3795 * Usually you should use gtk_window_set_decorated() on a #GtkWindow instead of
3796 * using the GDK function directly.
3798 * The @decorations argument is the logical OR of the fields in
3799 * the #GdkWMDecoration enumeration. If #GDK_DECOR_ALL is included in the
3800 * mask, the other bits indicate which decorations should be turned off.
3801 * If #GDK_DECOR_ALL is not included, then the other bits indicate
3802 * which decorations should be turned on.
3804 * Most window managers honor a decorations hint of 0 to disable all decorations,
3805 * but very few honor all possible combinations of bits.
3809 gdk_window_set_decorations (GdkWindow *window,
3810 GdkWMDecoration decorations)
3814 g_return_if_fail (window != NULL);
3815 g_return_if_fail (GDK_IS_WINDOW (window));
3817 hints.flags = MWM_HINTS_DECORATIONS;
3818 hints.decorations = decorations;
3820 gdk_window_set_mwm_hints (window, &hints);
3824 * gdk_window_get_decorations:
3825 * @window: The toplevel #GdkWindow to get the decorations from
3826 * @decorations: The window decorations will be written here
3828 * Returns the decorations set on the GdkWindow with #gdk_window_set_decorations
3829 * Returns: TRUE if the window has decorations set, FALSE otherwise.
3832 gdk_window_get_decorations(GdkWindow *window,
3833 GdkWMDecoration *decorations)
3835 MotifWmHints *hints;
3836 gboolean result = FALSE;
3838 g_return_val_if_fail (GDK_IS_WINDOW (window), FALSE);
3840 hints = gdk_window_get_mwm_hints (window);
3844 if (hints->flags & MWM_HINTS_DECORATIONS)
3847 *decorations = hints->decorations;
3858 * gdk_window_set_functions:
3859 * @window: a toplevel #GdkWindow
3860 * @functions: bitmask of operations to allow on @window
3862 * This function isn't really good for much. It sets the traditional
3863 * Motif window manager hint for which operations the window manager
3864 * should allow on a toplevel window. However, few window managers do
3865 * anything reliable or interesting with this hint. Many ignore it
3868 * The @functions argument is the logical OR of values from the
3869 * #GdkWMFunction enumeration. If the bitmask includes #GDK_FUNC_ALL,
3870 * then the other bits indicate which functions to disable; if
3871 * it doesn't include #GDK_FUNC_ALL, it indicates which functions to
3876 gdk_window_set_functions (GdkWindow *window,
3877 GdkWMFunction functions)
3881 g_return_if_fail (window != NULL);
3882 g_return_if_fail (GDK_IS_WINDOW (window));
3884 hints.flags = MWM_HINTS_FUNCTIONS;
3885 hints.functions = functions;
3887 gdk_window_set_mwm_hints (window, &hints);
3890 #ifdef HAVE_SHAPE_EXT
3893 * propagate the shapes from all child windows of a GDK window to the parent
3894 * window. Shamelessly ripped from Enlightenment's code
3902 struct _gdk_span *next;
3906 gdk_add_to_span (struct _gdk_span **s,
3910 struct _gdk_span *ptr1, *ptr2, *noo, *ss;
3917 /* scan the spans for this line */
3920 /* -- -> new span */
3921 /* == -> existing span */
3922 /* ## -> spans intersect */
3923 /* if we are in the middle of spanning the span into the line */
3926 /* case: ---- ==== */
3927 if (xx < ptr1->start - 1)
3929 /* ends before next span - extend to here */
3933 /* case: ----##=== */
3934 else if (xx <= ptr1->end)
3936 /* crosses into next span - delete next span and append */
3937 ss->end = ptr1->end;
3938 ss->next = ptr1->next;
3942 /* case: ---###--- */
3945 /* overlaps next span - delete and keep checking */
3946 ss->next = ptr1->next;
3951 /* otherwise havent started spanning it in yet */
3954 /* case: ---- ==== */
3955 if (xx < ptr1->start - 1)
3957 /* insert span here in list */
3958 noo = g_malloc (sizeof (struct _gdk_span));
3972 /* case: ----##=== */
3973 else if ((x < ptr1->start) && (xx <= ptr1->end))
3975 /* expand this span to the left point of the new one */
3979 /* case: ===###=== */
3980 else if ((x >= ptr1->start) && (xx <= ptr1->end))
3982 /* throw the span away */
3985 /* case: ---###--- */
3986 else if ((x < ptr1->start) && (xx > ptr1->end))
3993 /* case: ===##---- */
3994 else if ((x >= ptr1->start) && (x <= ptr1->end + 1) && (xx > ptr1->end))
4000 /* case: ==== ---- */
4001 /* case handled by next loop iteration - first case */
4006 /* it started in the middle but spans beyond your current list */
4012 /* it does not start inside a span or in the middle, so add it to the end */
4013 noo = g_malloc (sizeof (struct _gdk_span));
4021 noo->next = ptr2->next;
4034 gdk_add_rectangles (Display *disp,
4036 struct _gdk_span **spans,
4043 gint x1, y1, x2, y2;
4047 rl = XShapeGetRectangles (disp, win, ShapeBounding, &rn, &ord);
4050 /* go through all clip rects in this window's shape */
4051 for (k = 0; k < rn; k++)
4053 /* for each clip rect, add it to each line's spans */
4055 x2 = x + rl[k].x + (rl[k].width - 1);
4057 y2 = y + rl[k].y + (rl[k].height - 1);
4066 for (a = y1; a <= y2; a++)
4069 gdk_add_to_span (&spans[a], x1, x2);
4077 gdk_propagate_shapes (Display *disp,
4081 Window rt, par, *list = NULL;
4082 gint i, j, num = 0, num_rects = 0;
4086 XRectangle *rects = NULL;
4087 struct _gdk_span **spans = NULL, *ptr1, *ptr2, *ptr3;
4088 XWindowAttributes xatt;
4090 XGetGeometry (disp, win, &rt, &x, &y, &w, &h, &d, &d);
4095 spans = g_malloc (sizeof (struct _gdk_span *) * h);
4097 for (i = 0; i < h; i++)
4099 XQueryTree (disp, win, &rt, &par, &list, (unsigned int *)&num);
4102 /* go through all child windows and create/insert spans */
4103 for (i = 0; i < num; i++)
4105 if (XGetWindowAttributes (disp, list[i], &xatt) && (xatt.map_state != IsUnmapped))
4106 if (XGetGeometry (disp, list[i], &rt, &x, &y, &w, &h, &d, &d))
4107 gdk_add_rectangles (disp, list[i], spans, basew, baseh, x, y);
4110 gdk_add_rectangles (disp, win, spans, basew, baseh, x, y);
4112 /* go through the spans list and build a list of rects */
4113 rects = g_malloc (sizeof (XRectangle) * 256);
4115 for (i = 0; i < baseh; i++)
4118 /* go through the line for all spans */
4121 rects[num_rects].x = ptr1->start;
4122 rects[num_rects].y = i;
4123 rects[num_rects].width = ptr1->end - ptr1->start + 1;
4124 rects[num_rects].height = 1;
4126 /* if there are more lines */
4128 /* while contigous rects (same start/end coords) exist */
4129 while ((contig) && (j < baseh))
4131 /* search next line for spans matching this one */
4137 /* if we have an exact span match set contig */
4138 if ((ptr2->start == ptr1->start) &&
4139 (ptr2->end == ptr1->end))
4142 /* remove the span - not needed */
4145 ptr3->next = ptr2->next;
4151 spans[j] = ptr2->next;
4157 /* gone past the span point no point looking */
4158 else if (ptr2->start < ptr1->start)
4166 /* if a contiguous span was found increase the rect h */
4169 rects[num_rects].height++;
4173 /* up the rect count */
4175 /* every 256 new rects increase the rect array */
4176 if ((num_rects % 256) == 0)
4177 rects = g_realloc (rects, sizeof (XRectangle) * (num_rects + 256));
4181 /* set the rects as the shape mask */
4184 XShapeCombineRectangles (disp, win, ShapeBounding, 0, 0, rects, num_rects,
4185 ShapeSet, YXSorted);
4190 /* free up all the spans we made */
4191 for (i = 0; i < baseh; i++)
4204 #endif /* HAVE_SHAPE_EXT */
4207 * gdk_window_set_child_shapes:
4208 * @window: a #GdkWindow
4210 * Sets the shape mask of @window to the union of shape masks
4211 * for all children of @window, ignoring the shape mask of @window
4212 * itself. Contrast with gdk_window_merge_child_shapes() which includes
4213 * the shape mask of @window in the masks to be merged.
4216 gdk_window_set_child_shapes (GdkWindow *window)
4218 g_return_if_fail (window != NULL);
4219 g_return_if_fail (GDK_IS_WINDOW (window));
4221 #ifdef HAVE_SHAPE_EXT
4222 if (!GDK_WINDOW_DESTROYED (window) &&
4223 gdk_window_have_shape_ext (GDK_WINDOW_DISPLAY (window)))
4224 gdk_propagate_shapes (GDK_WINDOW_XDISPLAY (window),
4225 GDK_WINDOW_XID (window), FALSE);
4230 * gdk_window_merge_child_shapes:
4231 * @window: a #GdkWindow
4233 * Merges the shape masks for any child windows into the
4234 * shape mask for @window. i.e. the union of all masks
4235 * for @window and its children will become the new mask
4236 * for @window. See gdk_window_shape_combine_mask().
4238 * This function is distinct from gdk_window_set_child_shapes()
4239 * because it includes @window's shape mask in the set of shapes to
4244 gdk_window_merge_child_shapes (GdkWindow *window)
4246 g_return_if_fail (window != NULL);
4247 g_return_if_fail (GDK_IS_WINDOW (window));
4249 #ifdef HAVE_SHAPE_EXT
4250 if (!GDK_WINDOW_DESTROYED (window) &&
4251 gdk_window_have_shape_ext (GDK_WINDOW_DISPLAY (window)))
4252 gdk_propagate_shapes (GDK_WINDOW_XDISPLAY (window),
4253 GDK_WINDOW_XID (window), TRUE);
4257 /* Support for windows that can be guffaw-scrolled
4258 * (See http://www.gtk.org/~otaylor/whitepapers/guffaw-scrolling.txt)
4262 gdk_window_gravity_works (GdkWindow *window)
4264 GdkDisplayX11 *display_x11 = GDK_DISPLAY_X11 (GDK_DRAWABLE_DISPLAY (window));
4266 if (display_x11->gravity_works == GDK_UNKNOWN)
4273 /* This particular server apparently has a bug so that the test
4274 * works but the actual code crashes it
4276 if ((!strcmp (XServerVendor (display_x11->xdisplay),
4277 "Sun Microsystems, Inc.")) &&
4278 (VendorRelease (display_x11->xdisplay) == 3400))
4280 display_x11->gravity_works = GDK_NO;
4284 attr.window_type = GDK_WINDOW_TEMP;
4285 attr.wclass = GDK_INPUT_OUTPUT;
4290 attr.event_mask = 0;
4292 parent = gdk_window_new (gdk_screen_get_root_window (GDK_DRAWABLE_SCREEN (window)),
4293 &attr, GDK_WA_X | GDK_WA_Y);
4295 attr.window_type = GDK_WINDOW_CHILD;
4296 child = gdk_window_new (parent, &attr, GDK_WA_X | GDK_WA_Y);
4298 gdk_window_set_static_win_gravity (child, TRUE);
4300 gdk_window_resize (parent, 100, 110);
4302 gdk_window_move (parent, 0, -10);
4303 gdk_window_move_resize (parent, 0, 0, 100, 100);
4305 gdk_window_resize (parent, 100, 110);
4306 gdk_window_move (parent, 0, -10);
4307 gdk_window_move_resize (parent, 0, 0, 100, 100);
4309 gdk_window_get_geometry (child, NULL, &y, NULL, NULL, NULL);
4311 gdk_window_destroy (parent);
4312 gdk_window_destroy (child);
4314 display_x11->gravity_works = ((y == -20) ? GDK_YES : GDK_NO);
4317 return (display_x11->gravity_works == GDK_YES);
4321 gdk_window_set_static_bit_gravity (GdkWindow *window, gboolean on)
4323 XSetWindowAttributes xattributes;
4324 GdkWindowObject *private;
4325 guint xattributes_mask = 0;
4327 g_return_if_fail (window != NULL);
4329 private = GDK_WINDOW_OBJECT (window);
4330 if (private->input_only)
4333 xattributes.bit_gravity = StaticGravity;
4334 xattributes_mask |= CWBitGravity;
4335 xattributes.bit_gravity = on ? StaticGravity : ForgetGravity;
4336 XChangeWindowAttributes (GDK_WINDOW_XDISPLAY (window),
4337 GDK_WINDOW_XID (window),
4338 CWBitGravity, &xattributes);
4342 gdk_window_set_static_win_gravity (GdkWindow *window, gboolean on)
4344 XSetWindowAttributes xattributes;
4346 g_return_if_fail (window != NULL);
4348 xattributes.win_gravity = on ? StaticGravity : NorthWestGravity;
4350 XChangeWindowAttributes (GDK_WINDOW_XDISPLAY (window),
4351 GDK_WINDOW_XID (window),
4352 CWWinGravity, &xattributes);
4356 * gdk_window_set_static_gravities:
4357 * @window: a #GdkWindow
4358 * @use_static: %TRUE to turn on static gravity
4360 * Set the bit gravity of the given window to static, and flag it so
4361 * all children get static subwindow gravity. This is used if you are
4362 * implementing scary features that involve deep knowledge of the
4363 * windowing system. Don't worry about it unless you have to.
4365 * Return value: %TRUE if the server supports static gravity
4368 gdk_window_set_static_gravities (GdkWindow *window,
4369 gboolean use_static)
4371 GdkWindowObject *private = (GdkWindowObject *)window;
4374 g_return_val_if_fail (window != NULL, FALSE);
4375 g_return_val_if_fail (GDK_IS_WINDOW (window), FALSE);
4377 if (!use_static == !private->guffaw_gravity)
4380 if (use_static && !gdk_window_gravity_works (window))
4383 private->guffaw_gravity = use_static;
4385 if (!GDK_WINDOW_DESTROYED (window))
4387 gdk_window_set_static_bit_gravity (window, use_static);
4389 tmp_list = private->children;
4392 gdk_window_set_static_win_gravity (tmp_list->data, use_static);
4394 tmp_list = tmp_list->next;
4402 wmspec_moveresize (GdkWindow *window,
4408 GdkDisplay *display = GDK_WINDOW_DISPLAY (window);
4412 /* Release passive grab */
4413 gdk_display_pointer_ungrab (display, timestamp);
4415 xev.xclient.type = ClientMessage;
4416 xev.xclient.serial = 0;
4417 xev.xclient.send_event = True;
4418 xev.xclient.window = GDK_WINDOW_XID (window);
4419 xev.xclient.message_type =
4420 gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_MOVERESIZE");
4421 xev.xclient.format = 32;
4422 xev.xclient.data.l[0] = root_x;
4423 xev.xclient.data.l[1] = root_y;
4424 xev.xclient.data.l[2] = direction;
4425 xev.xclient.data.l[3] = 0;
4426 xev.xclient.data.l[4] = 0;
4428 XSendEvent (GDK_DISPLAY_XDISPLAY (display), GDK_WINDOW_XROOTWIN (window), False,
4429 SubstructureRedirectMask | SubstructureNotifyMask,
4433 typedef struct _MoveResizeData MoveResizeData;
4435 struct _MoveResizeData
4437 GdkDisplay *display;
4439 GdkWindow *moveresize_window;
4440 GdkWindow *moveresize_emulation_window;
4442 GdkWindowEdge resize_edge;
4443 gint moveresize_button;
4446 gint moveresize_orig_x;
4447 gint moveresize_orig_y;
4448 gint moveresize_orig_width;
4449 gint moveresize_orig_height;
4450 GdkWindowHints moveresize_geom_mask;
4451 GdkGeometry moveresize_geometry;
4452 Time moveresize_process_time;
4453 XEvent *moveresize_pending_event;
4456 /* From the WM spec */
4457 #define _NET_WM_MOVERESIZE_SIZE_TOPLEFT 0
4458 #define _NET_WM_MOVERESIZE_SIZE_TOP 1
4459 #define _NET_WM_MOVERESIZE_SIZE_TOPRIGHT 2
4460 #define _NET_WM_MOVERESIZE_SIZE_RIGHT 3
4461 #define _NET_WM_MOVERESIZE_SIZE_BOTTOMRIGHT 4
4462 #define _NET_WM_MOVERESIZE_SIZE_BOTTOM 5
4463 #define _NET_WM_MOVERESIZE_SIZE_BOTTOMLEFT 6
4464 #define _NET_WM_MOVERESIZE_SIZE_LEFT 7
4465 #define _NET_WM_MOVERESIZE_MOVE 8
4468 wmspec_resize_drag (GdkWindow *window,
4477 /* Let the compiler turn a switch into a table, instead
4478 * of doing the table manually, this way is easier to verify.
4482 case GDK_WINDOW_EDGE_NORTH_WEST:
4483 direction = _NET_WM_MOVERESIZE_SIZE_TOPLEFT;
4486 case GDK_WINDOW_EDGE_NORTH:
4487 direction = _NET_WM_MOVERESIZE_SIZE_TOP;
4490 case GDK_WINDOW_EDGE_NORTH_EAST:
4491 direction = _NET_WM_MOVERESIZE_SIZE_TOPRIGHT;
4494 case GDK_WINDOW_EDGE_WEST:
4495 direction = _NET_WM_MOVERESIZE_SIZE_LEFT;
4498 case GDK_WINDOW_EDGE_EAST:
4499 direction = _NET_WM_MOVERESIZE_SIZE_RIGHT;
4502 case GDK_WINDOW_EDGE_SOUTH_WEST:
4503 direction = _NET_WM_MOVERESIZE_SIZE_BOTTOMLEFT;
4506 case GDK_WINDOW_EDGE_SOUTH:
4507 direction = _NET_WM_MOVERESIZE_SIZE_BOTTOM;
4510 case GDK_WINDOW_EDGE_SOUTH_EAST:
4511 direction = _NET_WM_MOVERESIZE_SIZE_BOTTOMRIGHT;
4515 g_warning ("gdk_window_begin_resize_drag: bad resize edge %d!",
4521 wmspec_moveresize (window, direction, root_x, root_y, timestamp);
4524 static MoveResizeData *
4525 get_move_resize_data (GdkDisplay *display,
4528 MoveResizeData *mv_resize;
4529 static GQuark move_resize_quark = 0;
4531 if (!move_resize_quark)
4532 move_resize_quark = g_quark_from_static_string ("gdk-window-moveresize");
4534 mv_resize = g_object_get_qdata (G_OBJECT (display), move_resize_quark);
4536 if (!mv_resize && create)
4538 mv_resize = g_new0 (MoveResizeData, 1);
4539 mv_resize->display = display;
4541 g_object_set_qdata (G_OBJECT (display), move_resize_quark, mv_resize);
4548 update_pos (MoveResizeData *mv_resize,
4554 dx = new_root_x - mv_resize->moveresize_x;
4555 dy = new_root_y - mv_resize->moveresize_y;
4557 if (mv_resize->is_resize)
4561 w = mv_resize->moveresize_orig_width;
4562 h = mv_resize->moveresize_orig_height;
4564 switch (mv_resize->resize_edge)
4566 case GDK_WINDOW_EDGE_SOUTH_EAST:
4575 if (mv_resize->moveresize_geom_mask)
4577 gdk_window_constrain_size (&mv_resize->moveresize_geometry,
4578 mv_resize->moveresize_geom_mask,
4582 gdk_window_resize (mv_resize->moveresize_window, w, h);
4588 x = mv_resize->moveresize_orig_x + dx;
4589 y = mv_resize->moveresize_orig_y + dy;
4591 gdk_window_move (mv_resize->moveresize_window, x, y);
4596 finish_drag (MoveResizeData *mv_resize)
4598 gdk_window_destroy (mv_resize->moveresize_emulation_window);
4599 mv_resize->moveresize_emulation_window = NULL;
4600 mv_resize->moveresize_window = NULL;
4602 if (mv_resize->moveresize_pending_event)
4604 g_free (mv_resize->moveresize_pending_event);
4605 mv_resize->moveresize_pending_event = NULL;
4610 lookahead_motion_predicate (Display *xdisplay,
4614 gboolean *seen_release = (gboolean *)arg;
4615 GdkDisplay *display = gdk_x11_lookup_xdisplay (xdisplay);
4616 MoveResizeData *mv_resize = get_move_resize_data (display, FALSE);
4621 switch (event->xany.type)
4624 *seen_release = TRUE;
4627 mv_resize->moveresize_process_time = event->xmotion.time;
4637 moveresize_lookahead (MoveResizeData *mv_resize,
4641 gboolean seen_release = FALSE;
4643 if (mv_resize->moveresize_process_time)
4645 if (event->xmotion.time == mv_resize->moveresize_process_time)
4647 mv_resize->moveresize_process_time = 0;
4654 XCheckIfEvent (event->xany.display, &tmp_event,
4655 lookahead_motion_predicate, (XPointer) & seen_release);
4657 return mv_resize->moveresize_process_time == 0;
4661 _gdk_moveresize_handle_event (XEvent *event)
4663 guint button_mask = 0;
4664 GdkWindowObject *window_private;
4665 GdkDisplay *display= gdk_x11_lookup_xdisplay (event->xany.display);
4666 MoveResizeData *mv_resize = get_move_resize_data (display, FALSE);
4668 if (!mv_resize || !mv_resize->moveresize_window)
4671 window_private = (GdkWindowObject *) mv_resize->moveresize_window;
4673 button_mask = GDK_BUTTON1_MASK << (mv_resize->moveresize_button - 1);
4675 switch (event->xany.type)
4678 if (window_private->resize_count > 0)
4680 if (mv_resize->moveresize_pending_event)
4681 *mv_resize->moveresize_pending_event = *event;
4683 mv_resize->moveresize_pending_event =
4684 g_memdup (event, sizeof (XEvent));
4688 if (!moveresize_lookahead (mv_resize, event))
4691 update_pos (mv_resize,
4692 event->xmotion.x_root,
4693 event->xmotion.y_root);
4695 /* This should never be triggered in normal cases, but in the
4696 * case where the drag started without an implicit grab being
4697 * in effect, we could miss the release if it occurs before
4698 * we grab the pointer; this ensures that we will never
4699 * get a permanently stuck grab.
4701 if ((event->xmotion.state & button_mask) == 0)
4702 finish_drag (mv_resize);
4706 update_pos (mv_resize,
4707 event->xbutton.x_root,
4708 event->xbutton.y_root);
4710 if (event->xbutton.button == mv_resize->moveresize_button)
4711 finish_drag (mv_resize);
4718 _gdk_moveresize_configure_done (GdkDisplay *display,
4722 MoveResizeData *mv_resize = get_move_resize_data (display, FALSE);
4724 if (!mv_resize || window != mv_resize->moveresize_window)
4727 if (mv_resize->moveresize_pending_event)
4729 tmp_event = mv_resize->moveresize_pending_event;
4730 mv_resize->moveresize_pending_event = NULL;
4731 _gdk_moveresize_handle_event (tmp_event);
4739 create_moveresize_window (MoveResizeData *mv_resize,
4742 GdkWindowAttr attributes;
4743 gint attributes_mask;
4744 GdkGrabStatus status;
4746 g_assert (mv_resize->moveresize_emulation_window == NULL);
4748 attributes.x = -100;
4749 attributes.y = -100;
4750 attributes.width = 10;
4751 attributes.height = 10;
4752 attributes.window_type = GDK_WINDOW_TEMP;
4753 attributes.wclass = GDK_INPUT_ONLY;
4754 attributes.override_redirect = TRUE;
4755 attributes.event_mask = 0;
4757 attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_NOREDIR;
4759 mv_resize->moveresize_emulation_window =
4760 gdk_window_new (gdk_screen_get_root_window (gdk_display_get_default_screen (mv_resize->display)),
4764 gdk_window_show (mv_resize->moveresize_emulation_window);
4766 status = gdk_pointer_grab (mv_resize->moveresize_emulation_window,
4768 GDK_BUTTON_RELEASE_MASK |
4769 GDK_POINTER_MOTION_MASK,
4774 if (status != GDK_GRAB_SUCCESS)
4776 /* If this fails, some other client has grabbed the window
4779 gdk_window_destroy (mv_resize->moveresize_emulation_window);
4780 mv_resize->moveresize_emulation_window = NULL;
4783 mv_resize->moveresize_process_time = 0;
4787 emulate_resize_drag (GdkWindow *window,
4794 MoveResizeData *mv_resize = get_move_resize_data (GDK_WINDOW_DISPLAY (window), TRUE);
4796 mv_resize->is_resize = TRUE;
4797 mv_resize->moveresize_button = button;
4798 mv_resize->resize_edge = edge;
4799 mv_resize->moveresize_x = root_x;
4800 mv_resize->moveresize_y = root_y;
4801 mv_resize->moveresize_window = g_object_ref (window);
4803 gdk_drawable_get_size (window,
4804 &mv_resize->moveresize_orig_width,
4805 &mv_resize->moveresize_orig_height);
4807 mv_resize->moveresize_geom_mask = 0;
4808 gdk_window_get_geometry_hints (window,
4809 &mv_resize->moveresize_geometry,
4810 &mv_resize->moveresize_geom_mask);
4812 create_moveresize_window (mv_resize, timestamp);
4816 emulate_move_drag (GdkWindow *window,
4822 MoveResizeData *mv_resize = get_move_resize_data (GDK_WINDOW_DISPLAY (window), TRUE);
4824 mv_resize->is_resize = FALSE;
4825 mv_resize->moveresize_button = button;
4826 mv_resize->moveresize_x = root_x;
4827 mv_resize->moveresize_y = root_y;
4829 mv_resize->moveresize_window = g_object_ref (window);
4831 gdk_window_get_deskrelative_origin (mv_resize->moveresize_window,
4832 &mv_resize->moveresize_orig_x,
4833 &mv_resize->moveresize_orig_y);
4835 create_moveresize_window (mv_resize, timestamp);
4839 * gdk_window_begin_resize_drag:
4840 * @window: a toplevel #GdkWindow
4841 * @edge: the edge or corner from which the drag is started
4842 * @button: the button being used to drag
4843 * @root_x: root window X coordinate of mouse click that began the drag
4844 * @root_y: root window Y coordinate of mouse click that began the drag
4845 * @timestamp: timestamp of mouse click that began the drag (use gdk_event_get_time())
4847 * Begins a window resize operation (for a toplevel window).
4848 * You might use this function to implement a "window resize grip," for
4849 * example; in fact #GtkStatusbar uses it. The function works best
4850 * with window managers that support the Extended Window Manager Hints spec
4851 * (see http://www.freedesktop.org), but has a fallback implementation
4852 * for other window managers.
4856 gdk_window_begin_resize_drag (GdkWindow *window,
4863 g_return_if_fail (GDK_IS_WINDOW (window));
4865 if (GDK_WINDOW_DESTROYED (window))
4868 if (gdk_x11_screen_supports_net_wm_hint (GDK_WINDOW_SCREEN (window),
4869 gdk_atom_intern ("_NET_WM_MOVERESIZE", FALSE)))
4870 wmspec_resize_drag (window, edge, button, root_x, root_y, timestamp);
4872 emulate_resize_drag (window, edge, button, root_x, root_y, timestamp);
4876 * gdk_window_begin_move_drag:
4877 * @window: a toplevel #GdkWindow
4878 * @button: the button being used to drag
4879 * @root_x: root window X coordinate of mouse click that began the drag
4880 * @root_y: root window Y coordinate of mouse click that began the drag
4881 * @timestamp: timestamp of mouse click that began the drag
4883 * Begins a window move operation (for a toplevel window). You might
4884 * use this function to implement a "window move grip," for
4885 * example. The function works best with window managers that support
4886 * the Extended Window Manager Hints spec (see
4887 * http://www.freedesktop.org), but has a fallback implementation for
4888 * other window managers.
4892 gdk_window_begin_move_drag (GdkWindow *window,
4898 g_return_if_fail (GDK_IS_WINDOW (window));
4900 if (GDK_WINDOW_DESTROYED (window))
4903 if (gdk_x11_screen_supports_net_wm_hint (GDK_WINDOW_SCREEN (window),
4904 gdk_atom_intern ("_NET_WM_MOVERESIZE", FALSE)))
4905 wmspec_moveresize (window, _NET_WM_MOVERESIZE_MOVE, root_x, root_y,
4908 emulate_move_drag (window, button, root_x, root_y, timestamp);