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.
739 gdk_window_foreign_new_for_display (GdkDisplay *display,
740 GdkNativeWindow anid)
743 GdkWindowObject *private;
744 GdkWindowImplX11 *impl;
745 GdkDrawableImplX11 *draw_impl;
746 GdkDisplayX11 *display_x11;
747 XWindowAttributes attrs;
749 Window *children = NULL;
753 g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
755 display_x11 = GDK_DISPLAY_X11 (display);
757 gdk_error_trap_push ();
758 result = XGetWindowAttributes (display_x11->xdisplay, anid, &attrs);
759 if (gdk_error_trap_pop () || !result)
762 /* FIXME: This is pretty expensive. Maybe the caller should supply
764 gdk_error_trap_push ();
765 result = XQueryTree (display_x11->xdisplay, anid, &root, &parent, &children, &nchildren);
766 if (gdk_error_trap_pop () || !result)
772 window = g_object_new (GDK_TYPE_WINDOW, NULL);
773 private = (GdkWindowObject *)window;
774 impl = GDK_WINDOW_IMPL_X11 (private->impl);
775 draw_impl = GDK_DRAWABLE_IMPL_X11 (private->impl);
776 draw_impl->wrapper = GDK_DRAWABLE (window);
777 draw_impl->screen = _gdk_x11_display_screen_for_xrootwin (display, root);
779 private->parent = gdk_xid_table_lookup_for_display (display, parent);
781 if (!private->parent || GDK_WINDOW_TYPE (private->parent) == GDK_WINDOW_FOREIGN)
782 private->parent = (GdkWindowObject *) gdk_screen_get_root_window (draw_impl->screen);
784 private->parent->children = g_list_prepend (private->parent->children, window);
786 draw_impl->xid = anid;
788 private->x = attrs.x;
789 private->y = attrs.y;
790 impl->width = attrs.width;
791 impl->height = attrs.height;
792 private->window_type = GDK_WINDOW_FOREIGN;
793 private->destroyed = FALSE;
795 private->event_mask = x_event_mask_to_gdk_event_mask (attrs.your_event_mask);
797 if (attrs.map_state == IsUnmapped)
798 private->state = GDK_WINDOW_STATE_WITHDRAWN;
802 private->depth = attrs.depth;
804 _gdk_window_init_position (GDK_WINDOW (private));
806 g_object_ref (window);
807 _gdk_xid_table_insert (display, &GDK_WINDOW_XID (window), window);
812 * gdk_window_lookup_for_display:
813 * @display: the #GdkDisplay corresponding to the window handle
814 * @anid: a native window handle.
816 * Looks up the #GdkWindow that wraps the given native window handle.
818 * For example in the X backend, a native window handle is an Xlib
821 * Return value: the #GdkWindow wrapper for the native window,
822 * or %NULL if there is none.
825 gdk_window_lookup_for_display (GdkDisplay *display, GdkNativeWindow anid)
827 return (GdkWindow*) gdk_xid_table_lookup_for_display (display, anid);
832 * @anid: a native window handle.
834 * Looks up the #GdkWindow that wraps the given native window handle.
836 * For example in the X backend, a native window handle is an Xlib
839 * Return value: the #GdkWindow wrapper for the native window,
840 * or %NULL if there is none.
843 gdk_window_lookup (GdkNativeWindow anid)
845 return (GdkWindow*) gdk_xid_table_lookup (anid);
849 _gdk_windowing_window_destroy (GdkWindow *window,
851 gboolean foreign_destroy)
853 GdkWindowObject *private = (GdkWindowObject *)window;
855 g_return_if_fail (GDK_IS_WINDOW (window));
857 _gdk_selection_window_destroyed (window);
859 if (private->extension_events != 0)
860 _gdk_input_window_destroy (window);
864 GdkDrawableImplX11 *draw_impl = GDK_DRAWABLE_IMPL_X11 (private->impl);
867 if (draw_impl->xft_draw)
868 XftDrawDestroy (draw_impl->xft_draw);
869 #else /* !HAVE_XFT2 */
870 if (draw_impl->picture)
871 XRenderFreePicture (GDK_DRAWABLE_XDISPLAY (window), draw_impl->picture);
872 #endif /* HAVE_XFT2 */
874 #endif /* HAVE_XFT */
876 if (private->window_type == GDK_WINDOW_FOREIGN)
878 if (!foreign_destroy && (private->parent != NULL))
880 /* It's somebody else's window, but in our heirarchy,
881 * so reparent it to the root window, and then send
882 * it a delete event, as if we were a WM
884 XClientMessageEvent xevent;
886 gdk_error_trap_push ();
887 gdk_window_hide (window);
888 gdk_window_reparent (window, NULL, 0, 0);
890 xevent.type = ClientMessage;
891 xevent.window = GDK_WINDOW_XID (window);
892 xevent.message_type = gdk_x11_get_xatom_by_name_for_display (GDK_WINDOW_DISPLAY (window),
895 xevent.data.l[0] = gdk_x11_get_xatom_by_name_for_display (GDK_WINDOW_DISPLAY (window),
897 xevent.data.l[1] = CurrentTime;
899 XSendEvent (GDK_WINDOW_XDISPLAY (window),
900 GDK_WINDOW_XID (window),
901 False, 0, (XEvent *)&xevent);
902 gdk_display_sync (GDK_WINDOW_DISPLAY (window));
903 gdk_error_trap_pop ();
906 else if (!recursing && !foreign_destroy)
908 XDestroyWindow (GDK_WINDOW_XDISPLAY (window), GDK_WINDOW_XID (window));
912 /* This function is called when the XWindow is really gone.
915 gdk_window_destroy_notify (GdkWindow *window)
917 GdkWindowImplX11 *window_impl;
919 g_return_if_fail (window != NULL);
921 window_impl = GDK_WINDOW_IMPL_X11 (((GdkWindowObject *)window)->impl);
923 if (!GDK_WINDOW_DESTROYED (window))
925 if (GDK_WINDOW_TYPE(window) != GDK_WINDOW_FOREIGN)
926 g_warning ("GdkWindow %#lx unexpectedly destroyed", GDK_WINDOW_XID (window));
928 _gdk_window_destroy (window, TRUE);
931 _gdk_xid_table_remove (GDK_WINDOW_DISPLAY (window), GDK_WINDOW_XID (window));
932 if (window_impl->focus_window)
933 _gdk_xid_table_remove (GDK_WINDOW_DISPLAY (window), window_impl->focus_window);
935 _gdk_xgrab_check_destroy (window);
937 g_object_unref (window);
941 set_initial_hints (GdkWindow *window)
943 GdkWindowObject *private;
947 private = (GdkWindowObject*) window;
949 if (private->state & GDK_WINDOW_STATE_ICONIFIED)
953 wm_hints = XGetWMHints (GDK_WINDOW_XDISPLAY (window),
954 GDK_WINDOW_XID (window));
956 wm_hints = XAllocWMHints ();
958 wm_hints->flags |= StateHint;
959 wm_hints->initial_state = IconicState;
961 XSetWMHints (GDK_WINDOW_XDISPLAY (window),
962 GDK_WINDOW_XID (window), wm_hints);
966 /* We set the spec hints regardless of whether the spec is supported,
967 * since it can't hurt and it's kind of expensive to check whether
973 if (private->state & GDK_WINDOW_STATE_MAXIMIZED)
975 atoms[i] = gdk_x11_get_xatom_by_name_for_display (GDK_WINDOW_DISPLAY (window),
976 "_NET_WM_STATE_MAXIMIZED_VERT");
978 atoms[i] = gdk_x11_get_xatom_by_name_for_display (GDK_WINDOW_DISPLAY (window),
979 "_NET_WM_STATE_MAXIMIZED_HORZ");
983 if (private->state & GDK_WINDOW_STATE_STICKY)
985 atoms[i] = gdk_x11_get_xatom_by_name_for_display (GDK_WINDOW_DISPLAY (window),
986 "_NET_WM_STATE_STICKY");
990 if (private->state & GDK_WINDOW_STATE_FULLSCREEN)
992 atoms[i] = gdk_x11_get_xatom_by_name_for_display (GDK_WINDOW_DISPLAY (window),
993 "_NET_WM_STATE_FULLSCREEN");
997 if (private->modal_hint)
999 atoms[i] = gdk_x11_get_xatom_by_name_for_display (GDK_WINDOW_DISPLAY (window),
1000 "_NET_WM_STATE_MODAL");
1006 XChangeProperty (GDK_WINDOW_XDISPLAY (window),
1007 GDK_WINDOW_XID (window),
1008 gdk_x11_get_xatom_by_name_for_display (GDK_WINDOW_DISPLAY (window), "_NET_WM_STATE"),
1009 XA_ATOM, 32, PropModeReplace,
1010 (guchar*) atoms, i);
1013 if (private->state & GDK_WINDOW_STATE_STICKY)
1015 atoms[0] = 0xFFFFFFFF;
1016 XChangeProperty (GDK_WINDOW_XDISPLAY (window),
1017 GDK_WINDOW_XID (window),
1018 gdk_x11_get_xatom_by_name_for_display (GDK_WINDOW_DISPLAY (window), "_NET_WM_DESKTOP"),
1019 XA_CARDINAL, 32, PropModeReplace,
1020 (guchar*) atoms, 1);
1025 show_window_internal (GdkWindow *window,
1028 GdkWindowObject *private;
1030 g_return_if_fail (GDK_IS_WINDOW (window));
1032 private = (GdkWindowObject*) window;
1033 if (!private->destroyed)
1036 XRaiseWindow (GDK_WINDOW_XDISPLAY (window),
1037 GDK_WINDOW_XID (window));
1039 if (!GDK_WINDOW_IS_MAPPED (window))
1041 set_initial_hints (window);
1043 gdk_synthesize_window_state (window,
1044 GDK_WINDOW_STATE_WITHDRAWN,
1048 g_assert (GDK_WINDOW_IS_MAPPED (window));
1050 if (GDK_WINDOW_IMPL_X11 (private->impl)->position_info.mapped)
1051 XMapWindow (GDK_WINDOW_XDISPLAY (window),
1052 GDK_WINDOW_XID (window));
1057 * gdk_window_show_unraised:
1058 * @window: a #GdkWindow
1060 * Shows a #GdkWindow onscreen, but does not modify its stacking
1061 * order. In contrast, gdk_window_show() will raise the window
1062 * to the top of the window stack.
1064 * On the X11 platform, in Xlib terms, this function calls
1065 * XMapWindow() (it also updates some internal GDK state, which means
1066 * that you can't really use XMapWindow() directly on a GDK window).
1070 gdk_window_show_unraised (GdkWindow *window)
1072 g_return_if_fail (GDK_IS_WINDOW (window));
1074 show_window_internal (window, FALSE);
1079 * @window: a #GdkWindow
1081 * Like gdk_window_show_unraised(), but also raises the window to the
1082 * top of the window stack (moves the window to the front of the
1085 * This function maps a window so it's visible onscreen. Its opposite
1086 * is gdk_window_hide().
1088 * When implementing a #GtkWidget, you should call this function on the widget's
1089 * #GdkWindow as part of the "map" method.
1093 gdk_window_show (GdkWindow *window)
1095 g_return_if_fail (GDK_IS_WINDOW (window));
1097 show_window_internal (window, TRUE);
1102 * @window: a #GdkWindow
1104 * For toplevel windows, withdraws them, so they will no longer be
1105 * known to the window manager; for all windows, unmaps them, so
1106 * they won't be displayed. Normally done automatically as
1107 * part of gtk_widget_hide().
1111 gdk_window_hide (GdkWindow *window)
1113 GdkWindowObject *private;
1115 g_return_if_fail (window != NULL);
1117 private = (GdkWindowObject*) window;
1119 /* We'll get the unmap notify eventually, and handle it then,
1120 * but checking here makes things more consistent if we are
1121 * just doing stuff ourself.
1123 _gdk_xgrab_check_unmap (window,
1124 NextRequest (GDK_WINDOW_XDISPLAY (window)));
1126 /* You can't simply unmap toplevel windows. */
1127 switch (private->window_type)
1129 case GDK_WINDOW_TOPLEVEL:
1130 case GDK_WINDOW_DIALOG:
1131 case GDK_WINDOW_TEMP: /* ? */
1132 gdk_window_withdraw (window);
1136 case GDK_WINDOW_FOREIGN:
1137 case GDK_WINDOW_ROOT:
1138 case GDK_WINDOW_CHILD:
1142 if (!private->destroyed)
1144 if (GDK_WINDOW_IS_MAPPED (window))
1145 gdk_synthesize_window_state (window,
1147 GDK_WINDOW_STATE_WITHDRAWN);
1149 g_assert (!GDK_WINDOW_IS_MAPPED (window));
1151 _gdk_window_clear_update_area (window);
1153 XUnmapWindow (GDK_WINDOW_XDISPLAY (window),
1154 GDK_WINDOW_XID (window));
1159 * gdk_window_withdraw:
1160 * @window: a toplevel #GdkWindow
1162 * Withdraws a window (unmaps it and asks the window manager to forget about it).
1163 * This function is not really useful as gdk_window_hide() automatically
1164 * withdraws toplevel windows before hiding them.
1168 gdk_window_withdraw (GdkWindow *window)
1170 GdkWindowObject *private;
1172 g_return_if_fail (window != NULL);
1174 private = (GdkWindowObject*) window;
1175 if (!private->destroyed)
1177 if (GDK_WINDOW_IS_MAPPED (window))
1178 gdk_synthesize_window_state (window,
1180 GDK_WINDOW_STATE_WITHDRAWN);
1182 g_assert (!GDK_WINDOW_IS_MAPPED (window));
1184 XWithdrawWindow (GDK_WINDOW_XDISPLAY (window),
1185 GDK_WINDOW_XID (window), 0);
1191 * @window: a #GdkWindow
1192 * @x: X coordinate relative to window's parent
1193 * @y: Y coordinate relative to window's parent
1195 * Repositions a window relative to its parent window.
1196 * For toplevel windows, window managers may ignore or modify the move;
1197 * you should probably use gtk_window_move() on a #GtkWindow widget
1198 * anyway, instead of using GDK functions. For child windows,
1199 * the move will reliably succeed.
1201 * If you're also planning to resize the window, use gdk_window_move_resize()
1202 * to both move and resize simultaneously, for a nicer visual effect.
1205 gdk_window_move (GdkWindow *window,
1209 GdkWindowObject *private = (GdkWindowObject *)window;
1210 GdkWindowImplX11 *impl;
1212 g_return_if_fail (window != NULL);
1213 g_return_if_fail (GDK_IS_WINDOW (window));
1215 impl = GDK_WINDOW_IMPL_X11 (private->impl);
1217 if (!GDK_WINDOW_DESTROYED (window))
1219 if (GDK_WINDOW_TYPE (private) == GDK_WINDOW_CHILD)
1220 _gdk_window_move_resize_child (window, x, y,
1221 impl->width, impl->height);
1224 XMoveWindow (GDK_WINDOW_XDISPLAY (window),
1225 GDK_WINDOW_XID (window),
1232 * gdk_window_resize:
1233 * @window: a #GdkWindow
1234 * @width: new width of the window
1235 * @height: new height of the window
1237 * Resizes @window; for toplevel windows, asks the window manager to resize
1238 * the window. The window manager may not allow the resize. When using GTK+,
1239 * use gtk_window_resize() instead of this low-level GDK function.
1241 * Windows may not be resized below 1x1.
1243 * If you're also planning to move the window, use gdk_window_move_resize()
1244 * to both move and resize simultaneously, for a nicer visual effect.
1247 gdk_window_resize (GdkWindow *window,
1251 GdkWindowObject *private;
1253 g_return_if_fail (window != NULL);
1254 g_return_if_fail (GDK_IS_WINDOW (window));
1261 private = (GdkWindowObject*) window;
1263 if (!GDK_WINDOW_DESTROYED (window))
1265 if (GDK_WINDOW_TYPE (private) == GDK_WINDOW_CHILD)
1266 _gdk_window_move_resize_child (window, private->x, private->y,
1270 GdkWindowImplX11 *impl = GDK_WINDOW_IMPL_X11 (private->impl);
1272 if (width != impl->width || height != impl->height)
1273 private->resize_count += 1;
1275 XResizeWindow (GDK_WINDOW_XDISPLAY (window),
1276 GDK_WINDOW_XID (window),
1283 * gdk_window_move_resize:
1284 * @window: a #GdkWindow
1285 * @x: new X position relative to window's parent
1286 * @y: new Y position relative to window's parent
1288 * @height: new height
1290 * Equivalent to calling gdk_window_move() and gdk_window_resize(),
1291 * except that both operations are performed at once, avoiding strange
1292 * visual effects. (i.e. the user may be able to see the window first
1293 * move, then resize, if you don't use gdk_window_move_resize().)
1296 gdk_window_move_resize (GdkWindow *window,
1302 GdkWindowObject *private;
1304 g_return_if_fail (window != NULL);
1305 g_return_if_fail (GDK_IS_WINDOW (window));
1312 private = (GdkWindowObject*) window;
1314 if (!GDK_WINDOW_DESTROYED (window))
1316 if (GDK_WINDOW_TYPE (private) == GDK_WINDOW_CHILD)
1317 _gdk_window_move_resize_child (window, x, y, width, height);
1320 GdkWindowImplX11 *impl = GDK_WINDOW_IMPL_X11 (private->impl);
1322 if (width != impl->width || height != impl->height)
1323 private->resize_count += 1;
1325 XMoveResizeWindow (GDK_WINDOW_XDISPLAY (window),
1326 GDK_WINDOW_XID (window),
1327 x, y, width, height);
1333 * gdk_window_reparent:
1334 * @window: a #GdkWindow
1335 * @new_parent: new parent to move @window into
1336 * @x: X location inside the new parent
1337 * @y: Y location inside the new parent
1339 * Reparents @window into the given @new_parent. The window being
1340 * reparented will be unmapped as a side effect.
1344 gdk_window_reparent (GdkWindow *window,
1345 GdkWindow *new_parent,
1349 GdkDisplay *display;
1350 GdkWindowObject *window_private;
1351 GdkWindowObject *parent_private;
1352 GdkWindowObject *old_parent_private;
1354 g_return_if_fail (window != NULL);
1355 g_return_if_fail (GDK_IS_WINDOW (window));
1356 g_return_if_fail (new_parent == NULL || GDK_IS_WINDOW (new_parent));
1357 g_return_if_fail (GDK_WINDOW_TYPE (window) != GDK_WINDOW_ROOT);
1360 new_parent = gdk_screen_get_root_window (GDK_WINDOW_SCREEN (window));
1362 display = GDK_WINDOW_DISPLAY (window);
1364 window_private = (GdkWindowObject*) window;
1365 old_parent_private = (GdkWindowObject*)window_private->parent;
1366 parent_private = (GdkWindowObject*) new_parent;
1368 if (!GDK_WINDOW_DESTROYED (window) && !GDK_WINDOW_DESTROYED (new_parent))
1369 XReparentWindow (GDK_WINDOW_XDISPLAY (window),
1370 GDK_WINDOW_XID (window),
1371 GDK_WINDOW_XID (new_parent),
1374 window_private->x = x;
1375 window_private->y = y;
1377 /* From here on, we treat parents of type GDK_WINDOW_FOREIGN like
1380 if (GDK_WINDOW_TYPE (new_parent) == GDK_WINDOW_FOREIGN)
1381 new_parent = gdk_screen_get_root_window (GDK_WINDOW_SCREEN (window));
1383 window_private->parent = (GdkWindowObject *)new_parent;
1385 /* Switch the window type as appropriate */
1387 switch (GDK_WINDOW_TYPE (new_parent))
1389 case GDK_WINDOW_ROOT:
1390 case GDK_WINDOW_FOREIGN:
1391 /* Now a toplevel */
1392 if (GDK_WINDOW_TYPE (window) == GDK_WINDOW_CHILD)
1393 set_wm_protocols (window);
1395 case GDK_WINDOW_TOPLEVEL:
1396 case GDK_WINDOW_CHILD:
1397 case GDK_WINDOW_DIALOG:
1398 case GDK_WINDOW_TEMP:
1399 if (GDK_WINDOW_TYPE (window) != GDK_WINDOW_CHILD &&
1400 GDK_WINDOW_TYPE (window) != GDK_WINDOW_FOREIGN)
1402 /* If we were being sophisticated, we'd save the old window type
1403 * here, and restore it if we were reparented back to the
1404 * toplevel. However, the difference between different types
1405 * of toplevels only really matters on creation anyways.
1407 GDK_WINDOW_TYPE (window) = GDK_WINDOW_CHILD;
1411 if (old_parent_private)
1412 old_parent_private->children = g_list_remove (old_parent_private->children, window);
1414 if ((old_parent_private &&
1415 (!old_parent_private->guffaw_gravity != !parent_private->guffaw_gravity)) ||
1416 (!old_parent_private && parent_private->guffaw_gravity))
1417 gdk_window_set_static_win_gravity (window, parent_private->guffaw_gravity);
1419 parent_private->children = g_list_prepend (parent_private->children, window);
1420 _gdk_window_init_position (GDK_WINDOW (window_private));
1424 _gdk_windowing_window_clear_area (GdkWindow *window,
1430 g_return_if_fail (window != NULL);
1431 g_return_if_fail (GDK_IS_WINDOW (window));
1433 if (!GDK_WINDOW_DESTROYED (window))
1434 XClearArea (GDK_WINDOW_XDISPLAY (window), GDK_WINDOW_XID (window),
1435 x, y, width, height, False);
1439 _gdk_windowing_window_clear_area_e (GdkWindow *window,
1445 g_return_if_fail (window != NULL);
1446 g_return_if_fail (GDK_IS_WINDOW (window));
1448 if (!GDK_WINDOW_DESTROYED (window))
1449 XClearArea (GDK_WINDOW_XDISPLAY (window), GDK_WINDOW_XID (window),
1450 x, y, width, height, True);
1456 * @window: a #GdkWindow
1458 * Raises @window to the top of the Z-order (stacking order), so that
1459 * other windows with the same parent window appear below @window.
1460 * This is true whether or not the windows are visible.
1462 * If @window is a toplevel, the window manager may choose to deny the
1463 * request to move the window in the Z-order, gdk_window_raise() only
1464 * requests the restack, does not guarantee it.
1468 gdk_window_raise (GdkWindow *window)
1470 g_return_if_fail (window != NULL);
1471 g_return_if_fail (GDK_IS_WINDOW (window));
1473 if (!GDK_WINDOW_DESTROYED (window))
1474 XRaiseWindow (GDK_WINDOW_XDISPLAY (window), GDK_WINDOW_XID (window));
1479 * @window: a #GdkWindow
1481 * Lowers @window to the bottom of the Z-order (stacking order), so that
1482 * other windows with the same parent window appear above @window.
1483 * This is true whether or not the other windows are visible.
1485 * If @window is a toplevel, the window manager may choose to deny the
1486 * request to move the window in the Z-order, gdk_window_lower() only
1487 * requests the restack, does not guarantee it.
1489 * Note that gdk_window_show() raises the window again, so don't call this
1490 * function before gdk_window_show(). (Try gdk_window_show_unraised().)
1494 gdk_window_lower (GdkWindow *window)
1496 g_return_if_fail (window != NULL);
1497 g_return_if_fail (GDK_IS_WINDOW (window));
1499 if (!GDK_WINDOW_DESTROYED (window))
1500 XLowerWindow (GDK_WINDOW_XDISPLAY (window), GDK_WINDOW_XID (window));
1505 * @window: a #GdkWindow
1506 * @timestamp: timestamp of the event triggering the window focus
1508 * Sets keyboard focus to @window. If @window is not onscreen this
1509 * will not work. In most cases, gtk_window_present() should be used on
1510 * a #GtkWindow, rather than calling this function.
1514 gdk_window_focus (GdkWindow *window,
1517 g_return_if_fail (GDK_IS_WINDOW (window));
1519 if (GDK_WINDOW_DESTROYED (window))
1522 if (gdk_x11_screen_supports_net_wm_hint (GDK_WINDOW_SCREEN (window),
1523 gdk_atom_intern ("_NET_ACTIVE_WINDOW", FALSE)))
1527 xev.xclient.type = ClientMessage;
1528 xev.xclient.serial = 0;
1529 xev.xclient.send_event = True;
1530 xev.xclient.window = GDK_WINDOW_XWINDOW (window);
1531 xev.xclient.message_type = gdk_x11_get_xatom_by_name_for_display (GDK_WINDOW_DISPLAY (window),
1532 "_NET_ACTIVE_WINDOW");
1533 xev.xclient.format = 32;
1534 xev.xclient.data.l[0] = 0;
1536 XSendEvent (GDK_WINDOW_XDISPLAY (window), GDK_WINDOW_XROOTWIN (window), False,
1537 SubstructureRedirectMask | SubstructureNotifyMask,
1542 XRaiseWindow (GDK_WINDOW_XDISPLAY (window), GDK_WINDOW_XID (window));
1544 /* There is no way of knowing reliably whether we are viewable so we need
1545 * to trap errors so we don't cause a BadMatch.
1547 gdk_error_trap_push ();
1548 XSetInputFocus (GDK_WINDOW_XDISPLAY (window),
1549 GDK_WINDOW_XWINDOW (window),
1552 XSync (GDK_WINDOW_XDISPLAY (window), False);
1553 gdk_error_trap_pop ();
1558 * gdk_window_set_hints:
1559 * @window: a #GdkWindow
1560 * @x: ignored field, does not matter
1561 * @y: ignored field, does not matter
1562 * @min_width: minimum width hint
1563 * @min_height: minimum height hint
1564 * @max_width: max width hint
1565 * @max_height: max height hint
1566 * @flags: logical OR of GDK_HINT_POS, GDK_HINT_MIN_SIZE, and/or GDK_HINT_MAX_SIZE
1568 * This function is broken and useless and you should ignore it.
1569 * If using GTK+, use functions such as gtk_window_resize(), gtk_window_set_size_request(),
1570 * gtk_window_move(), gtk_window_parse_geometry(), and gtk_window_set_geometry_hints(),
1571 * depending on what you're trying to do.
1573 * If using GDK directly, use gdk_window_set_geometry_hints().
1577 gdk_window_set_hints (GdkWindow *window,
1586 XSizeHints size_hints;
1588 g_return_if_fail (window != NULL);
1589 g_return_if_fail (GDK_IS_WINDOW (window));
1591 if (GDK_WINDOW_DESTROYED (window))
1594 size_hints.flags = 0;
1596 if (flags & GDK_HINT_POS)
1598 size_hints.flags |= PPosition;
1603 if (flags & GDK_HINT_MIN_SIZE)
1605 size_hints.flags |= PMinSize;
1606 size_hints.min_width = min_width;
1607 size_hints.min_height = min_height;
1610 if (flags & GDK_HINT_MAX_SIZE)
1612 size_hints.flags |= PMaxSize;
1613 size_hints.max_width = max_width;
1614 size_hints.max_height = max_height;
1617 /* FIXME: Would it be better to delete this property if
1618 * flags == 0? It would save space on the server
1620 XSetWMNormalHints (GDK_WINDOW_XDISPLAY (window),
1621 GDK_WINDOW_XID (window),
1626 * gdk_window_set_type_hint:
1627 * @window: A toplevel #GdkWindow
1628 * @hint: A hint of the function this window will have
1630 * The application can use this call to provide a hint to the window
1631 * manager about the functionality of a window. The window manager
1632 * can use this information when determining the decoration and behaviour
1635 * The hint must be set before the window is mapped.
1638 gdk_window_set_type_hint (GdkWindow *window,
1639 GdkWindowTypeHint hint)
1641 GdkDisplay *display;
1644 g_return_if_fail (window != NULL);
1645 g_return_if_fail (GDK_IS_WINDOW (window));
1647 if (GDK_WINDOW_DESTROYED (window))
1650 display = gdk_drawable_get_display (window);
1654 case GDK_WINDOW_TYPE_HINT_DIALOG:
1655 atom = gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_WINDOW_TYPE_DIALOG");
1657 case GDK_WINDOW_TYPE_HINT_MENU:
1658 atom = gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_WINDOW_TYPE_MENU");
1660 case GDK_WINDOW_TYPE_HINT_TOOLBAR:
1661 atom = gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_WINDOW_TYPE_TOOLBAR");
1663 case GDK_WINDOW_TYPE_HINT_UTILITY:
1664 atom = gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_WINDOW_TYPE_UTILITY");
1666 case GDK_WINDOW_TYPE_HINT_SPLASHSCREEN:
1667 atom = gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_WINDOW_TYPE_SPLASH");
1669 case GDK_WINDOW_TYPE_HINT_DOCK:
1670 atom = gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_WINDOW_TYPE_DOCK");
1672 case GDK_WINDOW_TYPE_HINT_DESKTOP:
1673 atom = gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_WINDOW_TYPE_DESKTOP");
1676 g_warning ("Unknown hint %d passed to gdk_window_set_type_hint", hint);
1678 case GDK_WINDOW_TYPE_HINT_NORMAL:
1679 atom = gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_WINDOW_TYPE_NORMAL");
1683 XChangeProperty (GDK_DISPLAY_XDISPLAY (display), GDK_WINDOW_XID (window),
1684 gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_WINDOW_TYPE"),
1685 XA_ATOM, 32, PropModeReplace,
1686 (guchar *)&atom, 1);
1691 gdk_wmspec_change_state (gboolean add,
1696 GdkDisplay *display = GDK_WINDOW_DISPLAY (window);
1699 #define _NET_WM_STATE_REMOVE 0 /* remove/unset property */
1700 #define _NET_WM_STATE_ADD 1 /* add/set property */
1701 #define _NET_WM_STATE_TOGGLE 2 /* toggle property */
1703 xev.xclient.type = ClientMessage;
1704 xev.xclient.serial = 0;
1705 xev.xclient.send_event = True;
1706 xev.xclient.window = GDK_WINDOW_XID (window);
1707 xev.xclient.message_type = gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_STATE");
1708 xev.xclient.format = 32;
1709 xev.xclient.data.l[0] = add ? _NET_WM_STATE_ADD : _NET_WM_STATE_REMOVE;
1710 xev.xclient.data.l[1] = gdk_x11_atom_to_xatom_for_display (display, state1);
1711 xev.xclient.data.l[2] = gdk_x11_atom_to_xatom_for_display (display, state2);
1713 XSendEvent (GDK_WINDOW_XDISPLAY (window), GDK_WINDOW_XROOTWIN (window), False,
1714 SubstructureRedirectMask | SubstructureNotifyMask,
1719 * gdk_window_set_modal_hint:
1720 * @window: A toplevel #GdkWindow
1721 * @modal: TRUE if the window is modal, FALSE otherwise.
1723 * The application can use this hint to tell the window manager
1724 * that a certain window has modal behaviour. The window manager
1725 * can use this information to handle modal windows in a special
1728 * You should only use this on windows for which you have
1729 * previously called #gdk_window_set_transient_for()
1732 gdk_window_set_modal_hint (GdkWindow *window,
1735 GdkWindowObject *private;
1737 g_return_if_fail (window != NULL);
1738 g_return_if_fail (GDK_IS_WINDOW (window));
1740 if (GDK_WINDOW_DESTROYED (window))
1743 private = (GdkWindowObject*) window;
1745 private->modal_hint = modal;
1747 if (GDK_WINDOW_IS_MAPPED (window))
1748 gdk_wmspec_change_state (modal, window,
1749 gdk_atom_intern ("_NET_WM_STATE_MODAL", FALSE),
1754 * gdk_window_set_skip_taskbar_hint:
1755 * @window: a toplevel #GdkWindow
1756 * @skips_taskbar: %TRUE to skip the taskbar
1758 * Toggles whether a window should appear in a task list or window
1759 * list. If a window's semantic type as specified with
1760 * gdk_window_set_type_hint() already fully describes the window, this
1761 * function should NOT be called in addition, instead you should allow
1762 * the window to be treated according to standard policy for its
1766 gdk_window_set_skip_taskbar_hint (GdkWindow *window,
1767 gboolean skips_taskbar)
1769 GdkWindowObject *private;
1770 GdkWindowImplX11 *impl;
1772 g_return_if_fail (window != NULL);
1773 g_return_if_fail (GDK_IS_WINDOW (window));
1775 if (GDK_WINDOW_DESTROYED (window))
1778 private = (GdkWindowObject*) window;
1779 impl = GDK_WINDOW_IMPL_X11 (private->impl);
1781 impl->skip_taskbar_hint = skips_taskbar;
1783 if (GDK_WINDOW_IS_MAPPED (window))
1784 gdk_wmspec_change_state (skips_taskbar, window,
1785 gdk_atom_intern ("_NET_WM_STATE_SKIP_TASKBAR", FALSE),
1790 * gdk_window_set_skip_pager_hint:
1791 * @window: a toplevel #GdkWindow
1792 * @skips_pager: %TRUE to skip the pager
1794 * Toggles whether a window should appear in a pager (workspace
1795 * switcher, or other desktop utility program that displays a small
1796 * thumbnail representation of the windows on the desktop). If a
1797 * window's semantic type as specified with gdk_window_set_type_hint()
1798 * already fully describes the window, this function should NOT be
1799 * called in addition, instead you should allow the window to be
1800 * treated according to standard policy for its semantic type.
1803 gdk_window_set_skip_pager_hint (GdkWindow *window,
1804 gboolean skips_pager)
1806 GdkWindowObject *private;
1807 GdkWindowImplX11 *impl;
1809 g_return_if_fail (window != NULL);
1810 g_return_if_fail (GDK_IS_WINDOW (window));
1812 if (GDK_WINDOW_DESTROYED (window))
1815 private = (GdkWindowObject*) window;
1816 impl = GDK_WINDOW_IMPL_X11 (private->impl);
1818 impl->skip_pager_hint = skips_pager;
1820 if (GDK_WINDOW_IS_MAPPED (window))
1821 gdk_wmspec_change_state (skips_pager, window,
1822 gdk_atom_intern ("_NET_WM_STATE_SKIP_PAGER", FALSE),
1827 * gdk_window_set_geometry_hints:
1828 * @window: a toplevel #GdkWindow
1829 * @geometry: geometry hints
1830 * @geom_mask: bitmask indicating fields of @geometry to pay attention to
1832 * Sets the geometry hints for @window. Hints flagged in @geom_mask
1833 * are set, hints not flagged in @geom_mask are unset.
1834 * To unset all hints, use a @geom_mask of 0 and a @geometry of %NULL.
1836 * This function provides hints to the windowing system about
1837 * acceptable sizes for a toplevel window. The purpose of
1838 * this is to constrain user resizing, but the windowing system
1839 * will typically (but is not required to) also constrain the
1840 * current size of the window to the provided values and
1841 * constrain programatic resizing via gdk_window_resize() or
1842 * gdk_window_move_resize().
1844 * Note that on X11, this effect has no effect on windows
1845 * of type GDK_WINDOW_TEMP or windows where override_redirect
1846 * has been turned on via gdk_window_set_override_redirect()
1847 * since these windows are not resizable by the user.
1849 * Since you can't count on the windowing system doing the
1850 * constraints for programmatic resizes, you should generally
1851 * call gdk_window_constrain_size() yourself to determine
1852 * appropriate sizes.
1856 gdk_window_set_geometry_hints (GdkWindow *window,
1857 GdkGeometry *geometry,
1858 GdkWindowHints geom_mask)
1860 XSizeHints size_hints;
1862 g_return_if_fail (window != NULL);
1863 g_return_if_fail (GDK_IS_WINDOW (window));
1865 if (GDK_WINDOW_DESTROYED (window))
1868 size_hints.flags = 0;
1870 if (geom_mask & GDK_HINT_POS)
1872 size_hints.flags |= PPosition;
1873 /* We need to initialize the following obsolete fields because KWM
1874 * apparently uses these fields if they are non-zero.
1881 if (geom_mask & GDK_HINT_USER_POS)
1883 size_hints.flags |= USPosition;
1886 if (geom_mask & GDK_HINT_USER_SIZE)
1888 size_hints.flags |= USSize;
1891 if (geom_mask & GDK_HINT_MIN_SIZE)
1893 size_hints.flags |= PMinSize;
1894 size_hints.min_width = geometry->min_width;
1895 size_hints.min_height = geometry->min_height;
1898 if (geom_mask & GDK_HINT_MAX_SIZE)
1900 size_hints.flags |= PMaxSize;
1901 size_hints.max_width = MAX (geometry->max_width, 1);
1902 size_hints.max_height = MAX (geometry->max_height, 1);
1905 if (geom_mask & GDK_HINT_BASE_SIZE)
1907 size_hints.flags |= PBaseSize;
1908 size_hints.base_width = geometry->base_width;
1909 size_hints.base_height = geometry->base_height;
1912 if (geom_mask & GDK_HINT_RESIZE_INC)
1914 size_hints.flags |= PResizeInc;
1915 size_hints.width_inc = geometry->width_inc;
1916 size_hints.height_inc = geometry->height_inc;
1919 if (geom_mask & GDK_HINT_ASPECT)
1921 size_hints.flags |= PAspect;
1922 if (geometry->min_aspect <= 1)
1924 size_hints.min_aspect.x = 65536 * geometry->min_aspect;
1925 size_hints.min_aspect.y = 65536;
1929 size_hints.min_aspect.x = 65536;
1930 size_hints.min_aspect.y = 65536 / geometry->min_aspect;;
1932 if (geometry->max_aspect <= 1)
1934 size_hints.max_aspect.x = 65536 * geometry->max_aspect;
1935 size_hints.max_aspect.y = 65536;
1939 size_hints.max_aspect.x = 65536;
1940 size_hints.max_aspect.y = 65536 / geometry->max_aspect;;
1944 if (geom_mask & GDK_HINT_WIN_GRAVITY)
1946 size_hints.flags |= PWinGravity;
1947 size_hints.win_gravity = geometry->win_gravity;
1950 /* FIXME: Would it be better to delete this property if
1951 * geom_mask == 0? It would save space on the server
1953 XSetWMNormalHints (GDK_WINDOW_XDISPLAY (window),
1954 GDK_WINDOW_XID (window),
1959 gdk_window_get_geometry_hints (GdkWindow *window,
1960 GdkGeometry *geometry,
1961 GdkWindowHints *geom_mask)
1963 XSizeHints size_hints;
1964 glong junk_size_mask = 0;
1966 g_return_if_fail (GDK_IS_WINDOW (window));
1967 g_return_if_fail (geometry != NULL);
1968 g_return_if_fail (geom_mask != NULL);
1972 if (GDK_WINDOW_DESTROYED (window))
1975 if (!XGetWMNormalHints (GDK_WINDOW_XDISPLAY (window),
1976 GDK_WINDOW_XID (window),
1981 if (size_hints.flags & PMinSize)
1983 *geom_mask |= GDK_HINT_MIN_SIZE;
1984 geometry->min_width = size_hints.min_width;
1985 geometry->min_height = size_hints.min_height;
1988 if (size_hints.flags & PMaxSize)
1990 *geom_mask |= GDK_HINT_MAX_SIZE;
1991 geometry->max_width = MAX (size_hints.max_width, 1);
1992 geometry->max_height = MAX (size_hints.max_height, 1);
1995 if (size_hints.flags & PResizeInc)
1997 *geom_mask |= GDK_HINT_RESIZE_INC;
1998 geometry->width_inc = size_hints.width_inc;
1999 geometry->height_inc = size_hints.height_inc;
2002 if (size_hints.flags & PAspect)
2004 *geom_mask |= GDK_HINT_ASPECT;
2006 geometry->min_aspect = (gdouble) size_hints.min_aspect.x / (gdouble) size_hints.min_aspect.y;
2007 geometry->max_aspect = (gdouble) size_hints.max_aspect.x / (gdouble) size_hints.max_aspect.y;
2010 if (size_hints.flags & PWinGravity)
2012 *geom_mask |= GDK_HINT_WIN_GRAVITY;
2013 geometry->win_gravity = size_hints.win_gravity;
2018 utf8_is_latin1 (const gchar *str)
2020 const char *p = str;
2024 gunichar ch = g_utf8_get_char (p);
2029 p = g_utf8_next_char (p);
2035 /* Set the property to @utf8_str as STRING if the @utf8_str is fully
2036 * convertable to STRING, otherwise, set it as compound text
2039 set_text_property (GdkDisplay *display,
2042 const gchar *utf8_str)
2044 guchar *prop_text = NULL;
2049 if (utf8_is_latin1 (utf8_str))
2051 prop_type = XA_STRING;
2052 prop_text = gdk_utf8_to_string_target (utf8_str);
2053 prop_length = prop_text ? strlen (prop_text) : 0;
2060 gdk_utf8_to_compound_text_for_display (display,
2061 utf8_str, &gdk_type, &prop_format,
2062 &prop_text, &prop_length);
2063 prop_type = gdk_x11_atom_to_xatom_for_display (display, gdk_type);
2068 XChangeProperty (GDK_DISPLAY_XDISPLAY (display),
2071 prop_type, prop_format,
2072 PropModeReplace, prop_text,
2079 /* Set WM_NAME and _NET_WM_NAME
2082 set_wm_name (GdkDisplay *display,
2086 XChangeProperty (GDK_DISPLAY_XDISPLAY (display), xwindow,
2087 gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_NAME"),
2088 gdk_x11_get_xatom_by_name_for_display (display, "UTF8_STRING"), 8,
2089 PropModeReplace, name, strlen (name));
2091 set_text_property (display, xwindow,
2092 gdk_x11_get_xatom_by_name_for_display (display, "WM_NAME"),
2097 * gdk_window_set_title:
2098 * @window: a toplevel #GdkWindow
2099 * @title: title of @window
2101 * Sets the title of a toplevel window, to be displayed in the titlebar.
2102 * If you haven't explicitly set the icon name for the window
2103 * (using gdk_window_set_icon_name()), the icon name will be set to
2104 * @title as well. @title must be in UTF-8 encoding (as with all
2105 * user-readable strings in GDK/GTK+). @title may not be %NULL.
2108 gdk_window_set_title (GdkWindow *window,
2111 GdkDisplay *display;
2115 g_return_if_fail (window != NULL);
2116 g_return_if_fail (GDK_IS_WINDOW (window));
2117 g_return_if_fail (title != NULL);
2119 if (GDK_WINDOW_DESTROYED (window))
2122 display = gdk_drawable_get_display (window);
2123 xdisplay = GDK_DISPLAY_XDISPLAY (display);
2124 xwindow = GDK_WINDOW_XID (window);
2126 set_wm_name (display, xwindow, title);
2128 if (!gdk_window_icon_name_set (window))
2130 XChangeProperty (xdisplay, xwindow,
2131 gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_ICON_NAME"),
2132 gdk_x11_get_xatom_by_name_for_display (display, "UTF8_STRING"), 8,
2133 PropModeReplace, title, strlen (title));
2135 set_text_property (display, xwindow,
2136 gdk_x11_get_xatom_by_name_for_display (display, "WM_ICON_NAME"),
2142 * gdk_window_set_role:
2143 * @window: a toplevel #GdkWindow
2144 * @role: a string indicating its role
2146 * When using GTK+, typically you should use gtk_window_set_role() instead
2147 * of this low-level function.
2149 * The window manager and session manager use a window's role to
2150 * distinguish it from other kinds of window in the same application.
2151 * When an application is restarted after being saved in a previous
2152 * session, all windows with the same title and role are treated as
2153 * interchangeable. So if you have two windows with the same title
2154 * that should be distinguished for session management purposes, you
2155 * should set the role on those windows. It doesn't matter what string
2156 * you use for the role, as long as you have a different role for each
2157 * non-interchangeable kind of window.
2161 gdk_window_set_role (GdkWindow *window,
2164 GdkDisplay *display;
2166 g_return_if_fail (window != NULL);
2167 g_return_if_fail (GDK_IS_WINDOW (window));
2169 display = gdk_drawable_get_display (window);
2171 if (!GDK_WINDOW_DESTROYED (window))
2174 XChangeProperty (GDK_DISPLAY_XDISPLAY (display), GDK_WINDOW_XID (window),
2175 gdk_x11_get_xatom_by_name_for_display (display, "WM_WINDOW_ROLE"),
2176 XA_STRING, 8, PropModeReplace, role, strlen (role));
2178 XDeleteProperty (GDK_DISPLAY_XDISPLAY (display), GDK_WINDOW_XID (window),
2179 gdk_x11_get_xatom_by_name_for_display (display, "WM_WINDOW_ROLE"));
2184 * gdk_window_set_transient_for:
2185 * @window: a toplevel #GdkWindow
2186 * @parent: another toplevel #GdkWindow
2188 * Indicates to the window manager that @window is a transient dialog
2189 * associated with the application window @parent. This allows the
2190 * window manager to do things like center @window on @parent and
2191 * keep @window above @parent.
2193 * See gtk_window_set_transient_for() if you're using #GtkWindow or
2198 gdk_window_set_transient_for (GdkWindow *window,
2201 GdkWindowObject *private;
2202 GdkWindowObject *parent_private;
2204 g_return_if_fail (window != NULL);
2205 g_return_if_fail (GDK_IS_WINDOW (window));
2207 private = (GdkWindowObject*) window;
2208 parent_private = (GdkWindowObject*) parent;
2210 if (!GDK_WINDOW_DESTROYED (window) && !GDK_WINDOW_DESTROYED (parent))
2211 XSetTransientForHint (GDK_WINDOW_XDISPLAY (window),
2212 GDK_WINDOW_XID (window),
2213 GDK_WINDOW_XID (parent));
2217 * gdk_window_set_background:
2218 * @window: a #GdkWindow
2219 * @color: an allocated #GdkColor
2221 * Sets the background color of @window. (However, when using GTK+,
2222 * set the background of a widget with gtk_widget_modify_bg() - if
2223 * you're an application - or gtk_style_set_background() - if you're
2224 * implementing a custom widget.)
2226 * The @color must be allocated; gdk_rgb_find_color() is the best way
2227 * to allocate a color.
2229 * See also gdk_window_set_back_pixmap().
2233 gdk_window_set_background (GdkWindow *window,
2236 GdkWindowObject *private = (GdkWindowObject *)window;
2238 g_return_if_fail (window != NULL);
2239 g_return_if_fail (GDK_IS_WINDOW (window));
2241 if (!GDK_WINDOW_DESTROYED (window))
2242 XSetWindowBackground (GDK_WINDOW_XDISPLAY (window),
2243 GDK_WINDOW_XID (window), color->pixel);
2245 private->bg_color = *color;
2247 if (private->bg_pixmap &&
2248 private->bg_pixmap != GDK_PARENT_RELATIVE_BG &&
2249 private->bg_pixmap != GDK_NO_BG)
2250 g_object_unref (private->bg_pixmap);
2252 private->bg_pixmap = NULL;
2256 * gdk_window_set_back_pixmap:
2257 * @window: a #GdkWindow
2258 * @pixmap: a #GdkPixmap, or %NULL
2259 * @parent_relative: whether the tiling origin is at the origin of @window's parent
2261 * Sets the background pixmap of @window. May also be used to set a background of
2262 * "None" on @window, by setting a background pixmap of %NULL.
2263 * A background pixmap will be tiled, positioning the first tile at the origin of
2264 * @window, or if @parent_relative is %TRUE, the tiling will be done based on the
2265 * origin of the parent window (useful to align tiles in a parent with tiles
2268 * A background pixmap of %NULL means that the window will have no
2269 * background. A window with no background will never have its
2270 * background filled by the windowing system, instead the window will
2271 * contain whatever pixels were already in the corresponding area of
2274 * The windowing system will normally fill a window with its background
2275 * when the window is obscured then exposed, and when you call
2276 * gdk_window_clear().
2280 gdk_window_set_back_pixmap (GdkWindow *window,
2282 gboolean parent_relative)
2284 GdkWindowObject *private = (GdkWindowObject *)window;
2287 g_return_if_fail (window != NULL);
2288 g_return_if_fail (GDK_IS_WINDOW (window));
2289 g_return_if_fail (pixmap == NULL || !parent_relative);
2290 g_return_if_fail (pixmap == NULL || gdk_drawable_get_depth (window) == gdk_drawable_get_depth (pixmap));
2292 if (private->bg_pixmap &&
2293 private->bg_pixmap != GDK_PARENT_RELATIVE_BG &&
2294 private->bg_pixmap != GDK_NO_BG)
2295 g_object_unref (private->bg_pixmap);
2297 if (parent_relative)
2299 xpixmap = ParentRelative;
2300 private->bg_pixmap = GDK_PARENT_RELATIVE_BG;
2306 g_object_ref (pixmap);
2307 private->bg_pixmap = pixmap;
2308 xpixmap = GDK_PIXMAP_XID (pixmap);
2313 private->bg_pixmap = GDK_NO_BG;
2317 if (!GDK_WINDOW_DESTROYED (window))
2318 XSetWindowBackgroundPixmap (GDK_WINDOW_XDISPLAY (window),
2319 GDK_WINDOW_XID (window), xpixmap);
2323 * gdk_window_set_cursor:
2324 * @window: a #GdkWindow
2327 * Sets the mouse pointer for a #GdkWindow. Use gdk_cursor_new() or
2328 * gdk_cursor_new_from_pixmap() to create the cursor.
2329 * To make the cursor invisible, use gdk_cursor_new_from_pixmap() to create
2330 * a cursor with no pixels in it. Passing %NULL for the @cursor argument
2331 * to gdk_window_set_cursor() means that @window will use the cursor of
2332 * its parent window. Most windows should use this default.
2336 gdk_window_set_cursor (GdkWindow *window,
2339 GdkCursorPrivate *cursor_private;
2342 g_return_if_fail (window != NULL);
2343 g_return_if_fail (GDK_IS_WINDOW (window));
2345 cursor_private = (GdkCursorPrivate*) cursor;
2350 xcursor = cursor_private->xcursor;
2352 if (!GDK_WINDOW_DESTROYED (window))
2353 XDefineCursor (GDK_WINDOW_XDISPLAY (window),
2354 GDK_WINDOW_XID (window),
2359 * gdk_window_get_geometry:
2360 * @window: a #GdkWindow
2361 * @x: return location for X coordinate of window (relative to its parent)
2362 * @y: return location for Y coordinate of window (relative to its parent)
2363 * @width: return location for width of window
2364 * @height: return location for height of window
2365 * @depth: return location for bit depth of window
2367 * Any of the return location arguments to this function may be %NULL,
2368 * if you aren't interested in getting the value of that field.
2370 * The X and Y coordinates returned are relative to the parent window
2371 * of @window, which for toplevels usually means relative to the
2372 * window decorations (titlebar, etc.) rather than relative to the
2373 * root window (screen-size background window).
2375 * On the X11 platform, the geometry is obtained from the X server,
2376 * so reflects the latest position of @window; this may be out-of-sync
2377 * with the position of @window delivered in the most-recently-processed
2378 * #GdkEventConfigure. gdk_window_get_position() in contrast gets the
2379 * position from the most recent configure event.
2383 gdk_window_get_geometry (GdkWindow *window,
2395 guint tborder_width;
2398 g_return_if_fail (window == NULL || GDK_IS_WINDOW (window));
2402 GDK_NOTE (MULTIHEAD,
2403 g_message ("gdk_window_get_geometry(): Window needs to be non-NULL to be multi head safe"));
2404 window = gdk_screen_get_root_window ((gdk_screen_get_default ()));
2407 if (!GDK_WINDOW_DESTROYED (window))
2409 XGetGeometry (GDK_WINDOW_XDISPLAY (window),
2410 GDK_WINDOW_XID (window),
2411 &root, &tx, &ty, &twidth, &theight, &tborder_width, &tdepth);
2427 * gdk_window_get_origin:
2428 * @window: a #GdkWindow
2429 * @x: return location for X coordinate
2430 * @y: return location for Y coordinate
2432 * Obtains the position of a window in root window coordinates.
2433 * (Compare with gdk_window_get_position() and
2434 * gdk_window_get_geometry() which return the position of a window
2435 * relative to its parent window.)
2437 * Return value: not meaningful, ignore
2440 gdk_window_get_origin (GdkWindow *window,
2449 g_return_val_if_fail (window != NULL, 0);
2451 if (!GDK_WINDOW_DESTROYED (window))
2453 return_val = XTranslateCoordinates (GDK_WINDOW_XDISPLAY (window),
2454 GDK_WINDOW_XID (window),
2455 GDK_WINDOW_XROOTWIN (window),
2471 * gdk_window_get_deskrelative_origin:
2472 * @window: a toplevel #GdkWindow
2473 * @x: return location for X coordinate
2474 * @y: return location for Y coordinate
2476 * This gets the origin of a #GdkWindow relative to
2477 * an Enlightenment-window-manager desktop. As long as you don't
2478 * assume that the user's desktop/workspace covers the entire
2479 * root window (i.e. you don't assume that the desktop begins
2480 * at root window coordinate 0,0) this function is not necessary.
2481 * It's deprecated for that reason.
2483 * Return value: not meaningful
2486 gdk_window_get_deskrelative_origin (GdkWindow *window,
2490 gboolean return_val = FALSE;
2491 gint num_children, format_return;
2492 Window win, *child, parent, root;
2497 gulong number_return, bytes_after_return;
2498 guchar *data_return;
2500 g_return_val_if_fail (window != NULL, 0);
2501 g_return_val_if_fail (GDK_IS_WINDOW (window), 0);
2503 if (!GDK_WINDOW_DESTROYED (window))
2505 atom = gdk_x11_get_xatom_by_name_for_display (GDK_WINDOW_DISPLAY (window),
2506 "ENLIGHTENMENT_DESKTOP");
2507 win = GDK_WINDOW_XID (window);
2509 while (XQueryTree (GDK_WINDOW_XDISPLAY (window), win, &root, &parent,
2510 &child, (unsigned int *)&num_children))
2512 if ((child) && (num_children > 0))
2524 XGetWindowProperty (GDK_WINDOW_XDISPLAY (window), win, atom, 0, 0,
2525 False, XA_CARDINAL, &type_return, &format_return,
2526 &number_return, &bytes_after_return, &data_return);
2528 if (type_return == XA_CARDINAL)
2530 XFree (data_return);
2535 return_val = XTranslateCoordinates (GDK_WINDOW_XDISPLAY (window),
2536 GDK_WINDOW_XID (window),
2551 * gdk_window_get_root_origin:
2552 * @window: a toplevel #GdkWindow
2553 * @x: return location for X position of window frame
2554 * @y: return location for Y position of window frame
2556 * Obtains the top-left corner of the window manager frame in root
2557 * window coordinates.
2561 gdk_window_get_root_origin (GdkWindow *window,
2567 g_return_if_fail (GDK_IS_WINDOW (window));
2569 gdk_window_get_frame_extents (window, &rect);
2579 * gdk_window_get_frame_extents:
2580 * @window: a toplevel #GdkWindow
2581 * @rect: rectangle to fill with bounding box of the window frame
2583 * Obtains the bounding box of the window, including window manager
2584 * titlebar/borders if any. The frame position is given in root window
2585 * coordinates. To get the position of the window itself (rather than
2586 * the frame) in root window coordinates, use gdk_window_get_origin().
2590 gdk_window_get_frame_extents (GdkWindow *window,
2593 GdkWindowObject *private;
2598 unsigned int nchildren;
2600 g_return_if_fail (GDK_IS_WINDOW (window));
2601 g_return_if_fail (rect != NULL);
2603 private = (GdkWindowObject*) window;
2610 if (GDK_WINDOW_DESTROYED (window))
2613 while (private->parent && ((GdkWindowObject*) private->parent)->parent)
2614 private = (GdkWindowObject*) private->parent;
2615 if (GDK_WINDOW_DESTROYED (window))
2618 xparent = GDK_WINDOW_XID (window);
2622 if (!XQueryTree (GDK_WINDOW_XDISPLAY (window), xwindow,
2624 &children, &nchildren))
2630 while (xparent != root);
2632 if (xparent == root)
2634 unsigned int ww, wh, wb, wd;
2637 if (XGetGeometry (GDK_WINDOW_XDISPLAY (window), xwindow, &root, &wx, &wy, &ww, &wh, &wb, &wd))
2648 _gdk_windowing_get_pointer (GdkDisplay *display,
2652 GdkModifierType *mask)
2654 GdkScreen *default_screen;
2662 if (display->closed)
2665 default_screen = gdk_display_get_default_screen (display);
2667 XQueryPointer (GDK_SCREEN_XDISPLAY (default_screen),
2668 GDK_SCREEN_XROOTWIN (default_screen),
2669 &root, &child, &rootx, &rooty, &winx, &winy, &xmask);
2673 GdkWindow *gdk_root = gdk_window_lookup_for_display (display, root);
2674 *screen = gdk_drawable_get_screen (gdk_root);
2683 _gdk_windowing_window_get_pointer (GdkDisplay *display,
2687 GdkModifierType *mask)
2689 GdkWindow *return_val;
2695 unsigned int xmask = 0;
2696 gint xoffset, yoffset;
2698 g_return_val_if_fail (window == NULL || GDK_IS_WINDOW (window), NULL);
2700 _gdk_windowing_window_get_offsets (window, &xoffset, &yoffset);
2703 if (!GDK_WINDOW_DESTROYED (window) &&
2704 XQueryPointer (GDK_WINDOW_XDISPLAY (window),
2705 GDK_WINDOW_XID (window),
2706 &root, &child, &rootx, &rooty, &winx, &winy, &xmask))
2709 return_val = gdk_window_lookup_for_display (GDK_WINDOW_DISPLAY (window), child);
2712 *x = winx + xoffset;
2713 *y = winy + yoffset;
2720 _gdk_windowing_window_at_pointer (GdkDisplay *display,
2729 Window xwindow_last = 0;
2731 int rootx = -1, rooty = -1;
2735 screen = gdk_display_get_default_screen (display);
2737 xwindow = GDK_SCREEN_XROOTWIN (screen);
2738 xdisplay = GDK_SCREEN_XDISPLAY (screen);
2740 /* This function really only works if the mouse pointer is held still
2741 * during its operation. If it moves from one leaf window to another
2742 * than we'll end up with inaccurate values for win_x, win_y
2745 XGrabServer (xdisplay);
2746 XQueryPointer (xdisplay, xwindow,
2747 &root, &child, &rootx, &rooty, &winx, &winy, &xmask);
2749 if (root == xwindow)
2756 xwindow_last = xwindow;
2757 XQueryPointer (xdisplay, xwindow,
2758 &root, &xwindow, &rootx, &rooty, &winx, &winy, &xmask);
2760 XUngrabServer (xdisplay);
2762 window = gdk_window_lookup_for_display (GDK_SCREEN_DISPLAY(screen),
2764 *win_x = window ? winx : -1;
2765 *win_y = window ? winy : -1;
2771 * gdk_window_get_events:
2772 * @window: a #GdkWindow
2774 * Gets the event mask for @window. See gdk_window_set_events().
2776 * Return value: event mask for @window
2779 gdk_window_get_events (GdkWindow *window)
2781 XWindowAttributes attrs;
2782 GdkEventMask event_mask;
2784 g_return_val_if_fail (window != NULL, 0);
2785 g_return_val_if_fail (GDK_IS_WINDOW (window), 0);
2787 if (GDK_WINDOW_DESTROYED (window))
2791 XGetWindowAttributes (GDK_WINDOW_XDISPLAY (window),
2792 GDK_WINDOW_XID (window),
2795 event_mask = x_event_mask_to_gdk_event_mask (attrs.your_event_mask);
2796 GDK_WINDOW_OBJECT (window)->event_mask = event_mask;
2803 * gdk_window_set_events:
2804 * @window: a #GdkWindow
2805 * @event_mask: event mask for @window
2807 * The event mask for a window determines which events will be reported
2808 * for that window. For example, an event mask including #GDK_BUTTON_PRESS_MASK
2809 * means the window should report button press events. The event mask
2810 * is the bitwise OR of values from the #GdkEventMask enumeration.
2814 gdk_window_set_events (GdkWindow *window,
2815 GdkEventMask event_mask)
2820 g_return_if_fail (window != NULL);
2821 g_return_if_fail (GDK_IS_WINDOW (window));
2823 if (!GDK_WINDOW_DESTROYED (window))
2825 GDK_WINDOW_OBJECT (window)->event_mask = event_mask;
2826 xevent_mask = StructureNotifyMask | PropertyChangeMask;
2827 for (i = 0; i < _gdk_nenvent_masks; i++)
2829 if (event_mask & (1 << (i + 1)))
2830 xevent_mask |= _gdk_event_mask_table[i];
2833 XSelectInput (GDK_WINDOW_XDISPLAY (window),
2834 GDK_WINDOW_XID (window),
2840 gdk_window_add_colormap_windows (GdkWindow *window)
2842 GdkWindow *toplevel;
2843 Window *old_windows;
2844 Window *new_windows;
2847 g_return_if_fail (window != NULL);
2848 g_return_if_fail (GDK_IS_WINDOW (window));
2850 if (GDK_WINDOW_DESTROYED (window))
2852 toplevel = gdk_window_get_toplevel (window);
2855 if (!XGetWMColormapWindows (GDK_WINDOW_XDISPLAY (toplevel),
2856 GDK_WINDOW_XID (toplevel),
2857 &old_windows, &count))
2862 for (i = 0; i < count; i++)
2863 if (old_windows[i] == GDK_WINDOW_XID (window))
2865 XFree (old_windows);
2869 new_windows = g_new (Window, count + 1);
2871 for (i = 0; i < count; i++)
2872 new_windows[i] = old_windows[i];
2873 new_windows[count] = GDK_WINDOW_XID (window);
2875 XSetWMColormapWindows (GDK_WINDOW_XDISPLAY (toplevel),
2876 GDK_WINDOW_XID (toplevel),
2877 new_windows, count + 1);
2879 g_free (new_windows);
2881 XFree (old_windows);
2885 gdk_window_have_shape_ext (GdkDisplay *display)
2887 GdkDisplayX11 *display_x11;
2889 g_return_val_if_fail (GDK_IS_DISPLAY (display), FALSE);
2891 display_x11 = GDK_DISPLAY_X11 (display);
2893 if (display_x11->have_shape == GDK_UNKNOWN)
2896 if (XQueryExtension (display_x11->xdisplay, "SHAPE", &ignore, &ignore, &ignore))
2897 display_x11->have_shape = GDK_YES;
2899 display_x11->have_shape = GDK_NO;
2902 return (display_x11->have_shape == GDK_YES);
2905 #define WARN_SHAPE_TOO_BIG() g_warning ("GdkWindow is too large to allow the use of shape masks or shape regions.")
2908 * This needs the X11 shape extension.
2909 * If not available, shaped windows will look
2910 * ugly, but programs still work. Stefan Wille
2913 * gdk_window_shape_combine_mask:
2914 * @window: a #GdkWindow
2916 * @x: X position of shape mask with respect to @window
2917 * @y: Y position of shape mask with respect to @window
2919 * Applies a shape mask to @window. Pixels in @window corresponding to
2920 * set bits in the @mask will be visible; pixels in @window
2921 * corresponding to unset bits in the @mask will be transparent. This
2922 * gives a non-rectangular window.
2924 * If @mask is %NULL, the shape mask will be unset, and the @x/@y
2925 * parameters are not used.
2927 * On the X11 platform, this uses an X server extension which is
2928 * widely available on most common platforms, but not available on
2929 * very old X servers, and occasionally the implementation will be
2930 * buggy. On servers without the shape extension, this function
2933 * This function works on both toplevel and child windows.
2937 gdk_window_shape_combine_mask (GdkWindow *window,
2942 gint xoffset, yoffset;
2944 g_return_if_fail (window != NULL);
2945 g_return_if_fail (GDK_IS_WINDOW (window));
2947 #ifdef HAVE_SHAPE_EXT
2948 if (GDK_WINDOW_DESTROYED (window))
2951 _gdk_windowing_window_get_offsets (window, &xoffset, &yoffset);
2953 if (xoffset != 0 || yoffset != 0)
2955 WARN_SHAPE_TOO_BIG ();
2959 if (gdk_window_have_shape_ext (GDK_WINDOW_DISPLAY (window)))
2963 pixmap = GDK_PIXMAP_XID (mask);
2972 XShapeCombineMask (GDK_WINDOW_XDISPLAY (window),
2973 GDK_WINDOW_XID (window),
2979 #endif /* HAVE_SHAPE_EXT */
2983 * gdk_window_shape_combine_region:
2984 * @window: a #GdkWindow
2985 * @shape_region: region of window to be non-transparent
2986 * @offset_x: X position of @shape_region in @window coordinates
2987 * @offset_y: Y position of @shape_region in @window coordinates
2989 * Makes pixels in @window outside @shape_region be transparent,
2990 * so that the window may be nonrectangular. See also
2991 * gdk_window_shape_combine_mask() to use a bitmap as the mask.
2993 * If @shape_region is %NULL, the shape will be unset, so the whole
2994 * window will be opaque again. @offset_x and @offset_y are ignored
2995 * if @shape_region is %NULL.
2997 * On the X11 platform, this uses an X server extension which is
2998 * widely available on most common platforms, but not available on
2999 * very old X servers, and occasionally the implementation will be
3000 * buggy. On servers without the shape extension, this function
3003 * This function works on both toplevel and child windows.
3007 gdk_window_shape_combine_region (GdkWindow *window,
3008 GdkRegion *shape_region,
3012 gint xoffset, yoffset;
3014 g_return_if_fail (GDK_IS_WINDOW (window));
3016 #ifdef HAVE_SHAPE_EXT
3017 if (GDK_WINDOW_DESTROYED (window))
3020 _gdk_windowing_window_get_offsets (window, &xoffset, &yoffset);
3022 if (xoffset != 0 || yoffset != 0)
3024 WARN_SHAPE_TOO_BIG ();
3028 if (shape_region == NULL)
3030 /* Use NULL mask to unset the shape */
3031 gdk_window_shape_combine_mask (window, NULL, 0, 0);
3035 if (gdk_window_have_shape_ext (GDK_WINDOW_DISPLAY (window)))
3038 XRectangle *xrects = NULL;
3040 _gdk_region_get_xrectangles (shape_region,
3044 XShapeCombineRectangles (GDK_WINDOW_XDISPLAY (window),
3045 GDK_WINDOW_XID (window),
3054 #endif /* HAVE_SHAPE_EXT */
3059 * gdk_window_set_override_redirect:
3060 * @window: a toplevel #GdkWindow
3061 * @override_redirect: %TRUE if window should be override redirect
3063 * An override redirect window is not under the control of the window manager.
3064 * This means it won't have a titlebar, won't be minimizable, etc. - it will
3065 * be entirely under the control of the application. The window manager
3066 * can't see the override redirect window at all.
3068 * Override redirect should only be used for short-lived temporary
3069 * windows, such as popup menus. #GtkMenu uses an override redirect
3070 * window in its implementation, for example.
3074 gdk_window_set_override_redirect (GdkWindow *window,
3075 gboolean override_redirect)
3077 XSetWindowAttributes attr;
3079 g_return_if_fail (window != NULL);
3080 g_return_if_fail (GDK_IS_WINDOW (window));
3082 if (!GDK_WINDOW_DESTROYED (window))
3084 attr.override_redirect = (override_redirect == FALSE)?False:True;
3085 XChangeWindowAttributes (GDK_WINDOW_XDISPLAY (window),
3086 GDK_WINDOW_XID (window),
3094 * gdk_window_set_icon_list:
3095 * @window: The #GdkWindow toplevel window to set the icon of.
3096 * @pixbufs: A list of pixbufs, of different sizes.
3098 * Sets a list of icons for the window. One of these will be used
3099 * to represent the window when it has been iconified. The icon is
3100 * usually shown in an icon box or some sort of task bar. Which icon
3101 * size is shown depends on the window manager. The window manager
3102 * can scale the icon but setting several size icons can give better
3103 * image quality since the window manager may only need to scale the
3104 * icon by a small amount or not at all.
3108 gdk_window_set_icon_list (GdkWindow *window,
3117 gint width, height, stride;
3120 GdkDisplay *display;
3122 g_return_if_fail (GDK_IS_WINDOW (window));
3124 if (GDK_WINDOW_DESTROYED (window))
3127 display = gdk_drawable_get_display (window);
3135 g_return_if_fail (GDK_IS_PIXBUF (pixbuf));
3137 width = gdk_pixbuf_get_width (pixbuf);
3138 height = gdk_pixbuf_get_height (pixbuf);
3140 size += 2 + width * height;
3142 l = g_list_next (l);
3145 data = g_malloc (size * sizeof (gulong));
3153 width = gdk_pixbuf_get_width (pixbuf);
3154 height = gdk_pixbuf_get_height (pixbuf);
3155 stride = gdk_pixbuf_get_rowstride (pixbuf);
3156 n_channels = gdk_pixbuf_get_n_channels (pixbuf);
3161 pixels = gdk_pixbuf_get_pixels (pixbuf);
3163 for (y = 0; y < height; y++)
3165 for (x = 0; x < width; x++)
3169 r = pixels[y*stride + x*n_channels + 0];
3170 g = pixels[y*stride + x*n_channels + 1];
3171 b = pixels[y*stride + x*n_channels + 2];
3172 if (n_channels >= 4)
3173 a = pixels[y*stride + x*n_channels + 3];
3177 *p++ = a << 24 | r << 16 | g << 8 | b ;
3181 l = g_list_next (l);
3186 XChangeProperty (GDK_DISPLAY_XDISPLAY (display),
3187 GDK_WINDOW_XID (window),
3188 gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_ICON"),
3191 (guchar*) data, size);
3195 XDeleteProperty (GDK_DISPLAY_XDISPLAY (display),
3196 GDK_WINDOW_XID (window),
3197 gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_ICON"));
3204 * gdk_window_set_icon:
3205 * @window: a toplevel #GdkWindow
3206 * @icon_window: a #GdkWindow to use for the icon, or %NULL to unset
3207 * @pixmap: a #GdkPixmap to use as the icon, or %NULL to unset
3208 * @mask: a 1-bit pixmap (#GdkBitmap) to use as mask for @pixmap, or %NULL to have none
3210 * Sets the icon of @window as a pixmap or window. If using GTK+, investigate
3211 * gtk_window_set_default_icon_list() first, and then gtk_window_set_icon_list()
3212 * and gtk_window_set_icon(). If those don't meet your needs, look at
3213 * gdk_window_set_icon_list(). Only if all those are too high-level do you
3214 * want to fall back to gdk_window_set_icon().
3218 gdk_window_set_icon (GdkWindow *window,
3219 GdkWindow *icon_window,
3225 g_return_if_fail (window != NULL);
3226 g_return_if_fail (GDK_IS_WINDOW (window));
3228 if (GDK_WINDOW_DESTROYED (window))
3231 wm_hints = XGetWMHints (GDK_WINDOW_XDISPLAY (window),
3232 GDK_WINDOW_XID (window));
3234 wm_hints = XAllocWMHints ();
3236 if (icon_window != NULL)
3238 wm_hints->flags |= IconWindowHint;
3239 wm_hints->icon_window = GDK_WINDOW_XID (icon_window);
3244 wm_hints->flags |= IconPixmapHint;
3245 wm_hints->icon_pixmap = GDK_PIXMAP_XID (pixmap);
3250 wm_hints->flags |= IconMaskHint;
3251 wm_hints->icon_mask = GDK_PIXMAP_XID (mask);
3254 XSetWMHints (GDK_WINDOW_XDISPLAY (window),
3255 GDK_WINDOW_XID (window), wm_hints);
3260 gdk_window_icon_name_set (GdkWindow *window)
3262 return GPOINTER_TO_UINT (g_object_get_qdata (G_OBJECT (window),
3263 g_quark_from_static_string ("gdk-icon-name-set")));
3267 * gdk_window_set_icon_name:
3268 * @window: a toplevel #GdkWindow
3269 * @name: name of window while iconified (minimized)
3271 * Windows may have a name used while minimized, distinct from the
3272 * name they display in their titlebar. Most of the time this is a bad
3273 * idea from a user interface standpoint. But you can set such a name
3274 * with this function, if you like.
3278 gdk_window_set_icon_name (GdkWindow *window,
3281 GdkDisplay *display;
3283 g_return_if_fail (window != NULL);
3284 g_return_if_fail (GDK_IS_WINDOW (window));
3286 if (GDK_WINDOW_DESTROYED (window))
3289 display = gdk_drawable_get_display (window);
3291 g_object_set_qdata (G_OBJECT (window), g_quark_from_static_string ("gdk-icon-name-set"),
3292 GUINT_TO_POINTER (TRUE));
3294 XChangeProperty (GDK_DISPLAY_XDISPLAY (display),
3295 GDK_WINDOW_XID (window),
3296 gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_ICON_NAME"),
3297 gdk_x11_get_xatom_by_name_for_display (display, "UTF8_STRING"), 8,
3298 PropModeReplace, name, strlen (name));
3300 set_text_property (display, GDK_WINDOW_XID (window),
3301 gdk_x11_get_xatom_by_name_for_display (display, "WM_ICON_NAME"),
3306 * gdk_window_iconify:
3307 * @window: a toplevel #GdkWindow
3309 * Asks to iconify (minimize) @window. The window manager may choose
3310 * to ignore the request, but normally will honor it. Using
3311 * gtk_window_iconify() is preferred, if you have a #GtkWindow widget.
3313 * This function only makes sense when @window is a toplevel window.
3317 gdk_window_iconify (GdkWindow *window)
3319 GdkWindowObject *private;
3321 g_return_if_fail (window != NULL);
3322 g_return_if_fail (GDK_IS_WINDOW (window));
3324 if (GDK_WINDOW_DESTROYED (window))
3327 private = (GdkWindowObject*) window;
3329 if (GDK_WINDOW_IS_MAPPED (window))
3331 XIconifyWindow (GDK_WINDOW_XDISPLAY (window),
3332 GDK_WINDOW_XWINDOW (window),
3333 gdk_screen_get_number (GDK_WINDOW_SCREEN (window)));
3337 /* Flip our client side flag, the real work happens on map. */
3338 gdk_synthesize_window_state (window,
3340 GDK_WINDOW_STATE_ICONIFIED);
3345 * gdk_window_deiconify:
3346 * @window: a toplevel #GdkWindow
3348 * Attempt to deiconify (unminimize) @window. On X11 the window manager may
3349 * choose to ignore the request to deiconify. When using GTK+,
3350 * use gtk_window_deiconify() instead of the #GdkWindow variant. Or better yet,
3351 * you probably want to use gtk_window_present(), which raises the window, focuses it,
3352 * unminimizes it, and puts it on the current desktop.
3356 gdk_window_deiconify (GdkWindow *window)
3358 GdkWindowObject *private;
3360 g_return_if_fail (window != NULL);
3361 g_return_if_fail (GDK_IS_WINDOW (window));
3363 if (GDK_WINDOW_DESTROYED (window))
3366 private = (GdkWindowObject*) window;
3368 if (GDK_WINDOW_IS_MAPPED (window))
3370 gdk_window_show (window);
3374 /* Flip our client side flag, the real work happens on map. */
3375 gdk_synthesize_window_state (window,
3376 GDK_WINDOW_STATE_ICONIFIED,
3383 * @window: a toplevel #GdkWindow
3385 * "Pins" a window such that it's on all workspaces and does not scroll
3386 * with viewports, for window managers that have scrollable viewports.
3387 * (When using #GtkWindow, gtk_window_stick() may be more useful.)
3389 * On the X11 platform, this function depends on window manager
3390 * support, so may have no effect with many window managers. However,
3391 * GDK will do the best it can to convince the window manager to stick
3392 * the window. For window managers that don't support this operation,
3393 * there's nothing you can do to force it to happen.
3397 gdk_window_stick (GdkWindow *window)
3399 g_return_if_fail (GDK_IS_WINDOW (window));
3401 if (GDK_WINDOW_DESTROYED (window))
3404 if (GDK_WINDOW_IS_MAPPED (window))
3406 /* "stick" means stick to all desktops _and_ do not scroll with the
3407 * viewport. i.e. glue to the monitor glass in all cases.
3412 /* Request stick during viewport scroll */
3413 gdk_wmspec_change_state (TRUE, window,
3414 gdk_atom_intern ("_NET_WM_STATE_STICKY", FALSE),
3417 /* Request desktop 0xFFFFFFFF */
3418 xev.xclient.type = ClientMessage;
3419 xev.xclient.serial = 0;
3420 xev.xclient.send_event = True;
3421 xev.xclient.window = GDK_WINDOW_XWINDOW (window);
3422 xev.xclient.display = GDK_WINDOW_XDISPLAY (window);
3423 xev.xclient.message_type = gdk_x11_get_xatom_by_name_for_display (GDK_WINDOW_DISPLAY (window),
3425 xev.xclient.format = 32;
3427 xev.xclient.data.l[0] = 0xFFFFFFFF;
3429 XSendEvent (GDK_WINDOW_XDISPLAY (window), GDK_WINDOW_XROOTWIN (window), False,
3430 SubstructureRedirectMask | SubstructureNotifyMask,
3435 /* Flip our client side flag, the real work happens on map. */
3436 gdk_synthesize_window_state (window,
3438 GDK_WINDOW_STATE_STICKY);
3443 * gdk_window_unstick:
3444 * @window: a toplevel #GdkWindow
3446 * Reverse operation for gdk_window_stick(); see gdk_window_stick(),
3447 * and gtk_window_unstick().
3451 gdk_window_unstick (GdkWindow *window)
3453 g_return_if_fail (GDK_IS_WINDOW (window));
3455 if (GDK_WINDOW_DESTROYED (window))
3458 if (GDK_WINDOW_IS_MAPPED (window))
3465 gulong *current_desktop;
3466 GdkDisplay *display = gdk_drawable_get_display (window);
3468 /* Request unstick from viewport */
3469 gdk_wmspec_change_state (FALSE, window,
3470 gdk_atom_intern ("_NET_WM_STATE_STICKY", FALSE),
3473 /* Get current desktop, then set it; this is a race, but not
3474 * one that matters much in practice.
3476 XGetWindowProperty (GDK_DISPLAY_XDISPLAY (display), GDK_WINDOW_XROOTWIN (window),
3477 gdk_x11_get_xatom_by_name_for_display (display, "_NET_CURRENT_DESKTOP"),
3479 False, XA_CARDINAL, &type, &format, &nitems,
3480 &bytes_after, (guchar **)¤t_desktop);
3482 if (type == XA_CARDINAL)
3484 xev.xclient.type = ClientMessage;
3485 xev.xclient.serial = 0;
3486 xev.xclient.send_event = True;
3487 xev.xclient.window = GDK_WINDOW_XWINDOW (window);
3488 xev.xclient.message_type = gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_DESKTOP");
3489 xev.xclient.format = 32;
3491 xev.xclient.data.l[0] = *current_desktop;
3493 XSendEvent (GDK_DISPLAY_XDISPLAY (display), GDK_WINDOW_XROOTWIN (window), False,
3494 SubstructureRedirectMask | SubstructureNotifyMask,
3497 XFree (current_desktop);
3502 /* Flip our client side flag, the real work happens on map. */
3503 gdk_synthesize_window_state (window,
3504 GDK_WINDOW_STATE_STICKY,
3511 * gdk_window_maximize:
3512 * @window: a toplevel #GdkWindow
3514 * Maximizes the window. If the window was already maximized, then
3515 * this function does nothing.
3517 * On X11, asks the window manager to maximize @window, if the window
3518 * manager supports this operation. Not all window managers support
3519 * this, and some deliberately ignore it or don't have a concept of
3520 * "maximized"; so you can't rely on the maximization actually
3521 * happening. But it will happen with most standard window managers,
3522 * and GDK makes a best effort to get it to happen.
3524 * On Windows, reliably maximizes the window.
3528 gdk_window_maximize (GdkWindow *window)
3530 g_return_if_fail (GDK_IS_WINDOW (window));
3532 if (GDK_WINDOW_DESTROYED (window))
3535 if (GDK_WINDOW_IS_MAPPED (window))
3536 gdk_wmspec_change_state (TRUE, window,
3537 gdk_atom_intern ("_NET_WM_STATE_MAXIMIZED_VERT", FALSE),
3538 gdk_atom_intern ("_NET_WM_STATE_MAXIMIZED_HORZ", FALSE));
3540 gdk_synthesize_window_state (window,
3542 GDK_WINDOW_STATE_MAXIMIZED);
3546 * gdk_window_unmaximize:
3547 * @window: a toplevel #GdkWindow
3549 * Unmaximizes the window. If the window wasn't maximized, then this
3550 * function does nothing.
3552 * On X11, asks the window manager to unmaximize @window, if the
3553 * window manager supports this operation. Not all window managers
3554 * support this, and some deliberately ignore it or don't have a
3555 * concept of "maximized"; so you can't rely on the unmaximization
3556 * actually happening. But it will happen with most standard window
3557 * managers, and GDK makes a best effort to get it to happen.
3559 * On Windows, reliably unmaximizes the window.
3563 gdk_window_unmaximize (GdkWindow *window)
3565 g_return_if_fail (GDK_IS_WINDOW (window));
3567 if (GDK_WINDOW_DESTROYED (window))
3570 if (GDK_WINDOW_IS_MAPPED (window))
3571 gdk_wmspec_change_state (FALSE, window,
3572 gdk_atom_intern ("_NET_WM_STATE_MAXIMIZED_VERT", FALSE),
3573 gdk_atom_intern ("_NET_WM_STATE_MAXIMIZED_HORZ", FALSE));
3575 gdk_synthesize_window_state (window,
3576 GDK_WINDOW_STATE_MAXIMIZED,
3581 * gdk_window_fullscreen:
3582 * @window: a toplevel #GdkWindow
3584 * Moves the window into fullscreen mode. This means the
3585 * window covers the entire screen and is above any panels
3588 * If the window was already fullscreen, then this function does nothing.
3590 * On X11, asks the window manager to put @window in a fullscreen
3591 * state, if the window manager supports this operation. Not all
3592 * window managers support this, and some deliberately ignore it or
3593 * don't have a concept of "fullscreen"; so you can't rely on the
3594 * fullscreenification actually happening. But it will happen with
3595 * most standard window managers, and GDK makes a best effort to get
3600 gdk_window_fullscreen (GdkWindow *window)
3602 g_return_if_fail (GDK_IS_WINDOW (window));
3604 if (GDK_WINDOW_DESTROYED (window))
3607 if (GDK_WINDOW_IS_MAPPED (window))
3608 gdk_wmspec_change_state (TRUE, window,
3609 gdk_atom_intern ("_NET_WM_STATE_FULLSCREEN", FALSE),
3613 gdk_synthesize_window_state (window,
3615 GDK_WINDOW_STATE_FULLSCREEN);
3619 * gdk_window_unfullscreen:
3620 * @window: a toplevel #GdkWindow
3622 * Moves the window out of fullscreen mode. If the window was not
3623 * fullscreen, does nothing.
3625 * On X11, asks the window manager to move @window out of the fullscreen
3626 * state, if the window manager supports this operation. Not all
3627 * window managers support this, and some deliberately ignore it or
3628 * don't have a concept of "fullscreen"; so you can't rely on the
3629 * unfullscreenification actually happening. But it will happen with
3630 * most standard window managers, and GDK makes a best effort to get
3635 gdk_window_unfullscreen (GdkWindow *window)
3637 g_return_if_fail (GDK_IS_WINDOW (window));
3639 if (GDK_WINDOW_DESTROYED (window))
3642 if (GDK_WINDOW_IS_MAPPED (window))
3643 gdk_wmspec_change_state (FALSE, window,
3644 gdk_atom_intern ("_NET_WM_STATE_FULLSCREEN", FALSE),
3648 gdk_synthesize_window_state (window,
3649 GDK_WINDOW_STATE_FULLSCREEN,
3655 * gdk_window_set_group:
3656 * @window: a toplevel #GdkWindow
3657 * @leader: group leader window
3659 * Sets the group leader window for @window. By default,
3660 * GDK sets the group leader for all toplevel windows
3661 * to a global window implicitly created by GDK. With this function
3662 * you can override this default.
3664 * The group leader window allows the window manager to distinguish
3665 * all windows that belong to a single application. It may for example
3666 * allow users to minimize/unminimize all windows belonging to an
3667 * application at once. You should only set a non-default group window
3668 * if your application pretends to be multiple applications.
3669 * The group leader window may not be changed after a window has been
3670 * mapped (with gdk_window_show() for example).
3674 gdk_window_set_group (GdkWindow *window,
3679 g_return_if_fail (window != NULL);
3680 g_return_if_fail (GDK_IS_WINDOW (window));
3681 g_return_if_fail (leader != NULL);
3682 g_return_if_fail (GDK_IS_WINDOW (leader));
3684 if (GDK_WINDOW_DESTROYED (window) || GDK_WINDOW_DESTROYED (leader))
3687 wm_hints = XGetWMHints (GDK_WINDOW_XDISPLAY (window),
3688 GDK_WINDOW_XID (window));
3690 wm_hints = XAllocWMHints ();
3692 wm_hints->flags |= WindowGroupHint;
3693 wm_hints->window_group = GDK_WINDOW_XID (leader);
3695 XSetWMHints (GDK_WINDOW_XDISPLAY (window),
3696 GDK_WINDOW_XID (window), wm_hints);
3700 static MotifWmHints *
3701 gdk_window_get_mwm_hints (GdkWindow *window)
3703 GdkDisplay *display;
3704 Atom hints_atom = None;
3705 MotifWmHints *hints;
3711 if (GDK_WINDOW_DESTROYED (window))
3714 display = gdk_drawable_get_display (window);
3716 hints_atom = gdk_x11_get_xatom_by_name_for_display (display, _XA_MOTIF_WM_HINTS);
3718 XGetWindowProperty (GDK_DISPLAY_XDISPLAY (display), GDK_WINDOW_XID (window),
3719 hints_atom, 0, sizeof (MotifWmHints)/sizeof (long),
3720 False, AnyPropertyType, &type, &format, &nitems,
3721 &bytes_after, (guchar **)&hints);
3730 gdk_window_set_mwm_hints (GdkWindow *window,
3731 MotifWmHints *new_hints)
3733 GdkDisplay *display;
3734 Atom hints_atom = None;
3735 MotifWmHints *hints;
3741 if (GDK_WINDOW_DESTROYED (window))
3744 display = gdk_drawable_get_display (window);
3746 hints_atom = gdk_x11_get_xatom_by_name_for_display (display, _XA_MOTIF_WM_HINTS);
3748 XGetWindowProperty (GDK_WINDOW_XDISPLAY (window), GDK_WINDOW_XID (window),
3749 hints_atom, 0, sizeof (MotifWmHints)/sizeof (long),
3750 False, AnyPropertyType, &type, &format, &nitems,
3751 &bytes_after, (guchar **)&hints);
3757 if (new_hints->flags & MWM_HINTS_FUNCTIONS)
3759 hints->flags |= MWM_HINTS_FUNCTIONS;
3760 hints->functions = new_hints->functions;
3762 if (new_hints->flags & MWM_HINTS_DECORATIONS)
3764 hints->flags |= MWM_HINTS_DECORATIONS;
3765 hints->decorations = new_hints->decorations;
3769 XChangeProperty (GDK_WINDOW_XDISPLAY (window), GDK_WINDOW_XID (window),
3770 hints_atom, hints_atom, 32, PropModeReplace,
3771 (guchar *)hints, sizeof (MotifWmHints)/sizeof (long));
3773 if (hints != new_hints)
3778 * gdk_window_set_decorations:
3779 * @window: a toplevel #GdkWindow
3780 * @decorations: decoration hint mask
3782 * "Decorations" are the features the window manager adds to a toplevel #GdkWindow.
3783 * This function sets the traditional Motif window manager hints that tell the
3784 * window manager which decorations you would like your window to have.
3785 * Usually you should use gtk_window_set_decorated() on a #GtkWindow instead of
3786 * using the GDK function directly.
3788 * The @decorations argument is the logical OR of the fields in
3789 * the #GdkWMDecoration enumeration. If #GDK_DECOR_ALL is included in the
3790 * mask, the other bits indicate which decorations should be turned off.
3791 * If #GDK_DECOR_ALL is not included, then the other bits indicate
3792 * which decorations should be turned on.
3794 * Most window managers honor a decorations hint of 0 to disable all decorations,
3795 * but very few honor all possible combinations of bits.
3799 gdk_window_set_decorations (GdkWindow *window,
3800 GdkWMDecoration decorations)
3804 g_return_if_fail (window != NULL);
3805 g_return_if_fail (GDK_IS_WINDOW (window));
3807 hints.flags = MWM_HINTS_DECORATIONS;
3808 hints.decorations = decorations;
3810 gdk_window_set_mwm_hints (window, &hints);
3814 * gdk_window_get_decorations:
3815 * @window: The toplevel #GdkWindow to get the decorations from
3816 * @decorations: The window decorations will be written here
3818 * Returns the decorations set on the GdkWindow with #gdk_window_set_decorations
3819 * Returns: TRUE if the window has decorations set, FALSE otherwise.
3822 gdk_window_get_decorations(GdkWindow *window,
3823 GdkWMDecoration *decorations)
3825 MotifWmHints *hints;
3826 gboolean result = FALSE;
3828 g_return_val_if_fail (GDK_IS_WINDOW (window), FALSE);
3830 hints = gdk_window_get_mwm_hints (window);
3834 if (hints->flags & MWM_HINTS_DECORATIONS)
3837 *decorations = hints->decorations;
3848 * gdk_window_set_functions:
3849 * @window: a toplevel #GdkWindow
3850 * @functions: bitmask of operations to allow on @window
3852 * This function isn't really good for much. It sets the traditional
3853 * Motif window manager hint for which operations the window manager
3854 * should allow on a toplevel window. However, few window managers do
3855 * anything reliable or interesting with this hint. Many ignore it
3858 * The @functions argument is the logical OR of values from the
3859 * #GdkWMFunction enumeration. If the bitmask includes #GDK_FUNC_ALL,
3860 * then the other bits indicate which functions to disable; if
3861 * it doesn't include #GDK_FUNC_ALL, it indicates which functions to
3866 gdk_window_set_functions (GdkWindow *window,
3867 GdkWMFunction functions)
3871 g_return_if_fail (window != NULL);
3872 g_return_if_fail (GDK_IS_WINDOW (window));
3874 hints.flags = MWM_HINTS_FUNCTIONS;
3875 hints.functions = functions;
3877 gdk_window_set_mwm_hints (window, &hints);
3880 #ifdef HAVE_SHAPE_EXT
3883 * propagate the shapes from all child windows of a GDK window to the parent
3884 * window. Shamelessly ripped from Enlightenment's code
3892 struct _gdk_span *next;
3896 gdk_add_to_span (struct _gdk_span **s,
3900 struct _gdk_span *ptr1, *ptr2, *noo, *ss;
3907 /* scan the spans for this line */
3910 /* -- -> new span */
3911 /* == -> existing span */
3912 /* ## -> spans intersect */
3913 /* if we are in the middle of spanning the span into the line */
3916 /* case: ---- ==== */
3917 if (xx < ptr1->start - 1)
3919 /* ends before next span - extend to here */
3923 /* case: ----##=== */
3924 else if (xx <= ptr1->end)
3926 /* crosses into next span - delete next span and append */
3927 ss->end = ptr1->end;
3928 ss->next = ptr1->next;
3932 /* case: ---###--- */
3935 /* overlaps next span - delete and keep checking */
3936 ss->next = ptr1->next;
3941 /* otherwise havent started spanning it in yet */
3944 /* case: ---- ==== */
3945 if (xx < ptr1->start - 1)
3947 /* insert span here in list */
3948 noo = g_malloc (sizeof (struct _gdk_span));
3962 /* case: ----##=== */
3963 else if ((x < ptr1->start) && (xx <= ptr1->end))
3965 /* expand this span to the left point of the new one */
3969 /* case: ===###=== */
3970 else if ((x >= ptr1->start) && (xx <= ptr1->end))
3972 /* throw the span away */
3975 /* case: ---###--- */
3976 else if ((x < ptr1->start) && (xx > ptr1->end))
3983 /* case: ===##---- */
3984 else if ((x >= ptr1->start) && (x <= ptr1->end + 1) && (xx > ptr1->end))
3990 /* case: ==== ---- */
3991 /* case handled by next loop iteration - first case */
3996 /* it started in the middle but spans beyond your current list */
4002 /* it does not start inside a span or in the middle, so add it to the end */
4003 noo = g_malloc (sizeof (struct _gdk_span));
4011 noo->next = ptr2->next;
4024 gdk_add_rectangles (Display *disp,
4026 struct _gdk_span **spans,
4033 gint x1, y1, x2, y2;
4037 rl = XShapeGetRectangles (disp, win, ShapeBounding, &rn, &ord);
4040 /* go through all clip rects in this window's shape */
4041 for (k = 0; k < rn; k++)
4043 /* for each clip rect, add it to each line's spans */
4045 x2 = x + rl[k].x + (rl[k].width - 1);
4047 y2 = y + rl[k].y + (rl[k].height - 1);
4056 for (a = y1; a <= y2; a++)
4059 gdk_add_to_span (&spans[a], x1, x2);
4067 gdk_propagate_shapes (Display *disp,
4071 Window rt, par, *list = NULL;
4072 gint i, j, num = 0, num_rects = 0;
4076 XRectangle *rects = NULL;
4077 struct _gdk_span **spans = NULL, *ptr1, *ptr2, *ptr3;
4078 XWindowAttributes xatt;
4080 XGetGeometry (disp, win, &rt, &x, &y, &w, &h, &d, &d);
4085 spans = g_malloc (sizeof (struct _gdk_span *) * h);
4087 for (i = 0; i < h; i++)
4089 XQueryTree (disp, win, &rt, &par, &list, (unsigned int *)&num);
4092 /* go through all child windows and create/insert spans */
4093 for (i = 0; i < num; i++)
4095 if (XGetWindowAttributes (disp, list[i], &xatt) && (xatt.map_state != IsUnmapped))
4096 if (XGetGeometry (disp, list[i], &rt, &x, &y, &w, &h, &d, &d))
4097 gdk_add_rectangles (disp, list[i], spans, basew, baseh, x, y);
4100 gdk_add_rectangles (disp, win, spans, basew, baseh, x, y);
4102 /* go through the spans list and build a list of rects */
4103 rects = g_malloc (sizeof (XRectangle) * 256);
4105 for (i = 0; i < baseh; i++)
4108 /* go through the line for all spans */
4111 rects[num_rects].x = ptr1->start;
4112 rects[num_rects].y = i;
4113 rects[num_rects].width = ptr1->end - ptr1->start + 1;
4114 rects[num_rects].height = 1;
4116 /* if there are more lines */
4118 /* while contigous rects (same start/end coords) exist */
4119 while ((contig) && (j < baseh))
4121 /* search next line for spans matching this one */
4127 /* if we have an exact span match set contig */
4128 if ((ptr2->start == ptr1->start) &&
4129 (ptr2->end == ptr1->end))
4132 /* remove the span - not needed */
4135 ptr3->next = ptr2->next;
4141 spans[j] = ptr2->next;
4147 /* gone past the span point no point looking */
4148 else if (ptr2->start < ptr1->start)
4156 /* if a contiguous span was found increase the rect h */
4159 rects[num_rects].height++;
4163 /* up the rect count */
4165 /* every 256 new rects increase the rect array */
4166 if ((num_rects % 256) == 0)
4167 rects = g_realloc (rects, sizeof (XRectangle) * (num_rects + 256));
4171 /* set the rects as the shape mask */
4174 XShapeCombineRectangles (disp, win, ShapeBounding, 0, 0, rects, num_rects,
4175 ShapeSet, YXSorted);
4180 /* free up all the spans we made */
4181 for (i = 0; i < baseh; i++)
4194 #endif /* HAVE_SHAPE_EXT */
4197 * gdk_window_set_child_shapes:
4198 * @window: a #GdkWindow
4200 * Sets the shape mask of @window to the union of shape masks
4201 * for all children of @window, ignoring the shape mask of @window
4202 * itself. Contrast with gdk_window_merge_child_shapes() which includes
4203 * the shape mask of @window in the masks to be merged.
4206 gdk_window_set_child_shapes (GdkWindow *window)
4208 g_return_if_fail (window != NULL);
4209 g_return_if_fail (GDK_IS_WINDOW (window));
4211 #ifdef HAVE_SHAPE_EXT
4212 if (!GDK_WINDOW_DESTROYED (window) &&
4213 gdk_window_have_shape_ext (GDK_WINDOW_DISPLAY (window)))
4214 gdk_propagate_shapes (GDK_WINDOW_XDISPLAY (window),
4215 GDK_WINDOW_XID (window), FALSE);
4220 * gdk_window_merge_child_shapes:
4221 * @window: a #GdkWindow
4223 * Merges the shape masks for any child windows into the
4224 * shape mask for @window. i.e. the union of all masks
4225 * for @window and its children will become the new mask
4226 * for @window. See gdk_window_shape_combine_mask().
4228 * This function is distinct from gdk_window_set_child_shapes()
4229 * because it includes @window's shape mask in the set of shapes to
4234 gdk_window_merge_child_shapes (GdkWindow *window)
4236 g_return_if_fail (window != NULL);
4237 g_return_if_fail (GDK_IS_WINDOW (window));
4239 #ifdef HAVE_SHAPE_EXT
4240 if (!GDK_WINDOW_DESTROYED (window) &&
4241 gdk_window_have_shape_ext (GDK_WINDOW_DISPLAY (window)))
4242 gdk_propagate_shapes (GDK_WINDOW_XDISPLAY (window),
4243 GDK_WINDOW_XID (window), TRUE);
4247 /* Support for windows that can be guffaw-scrolled
4248 * (See http://www.gtk.org/~otaylor/whitepapers/guffaw-scrolling.txt)
4252 gdk_window_gravity_works (GdkWindow *window)
4254 GdkDisplayX11 *display_x11 = GDK_DISPLAY_X11 (GDK_DRAWABLE_DISPLAY (window));
4256 if (display_x11->gravity_works == GDK_UNKNOWN)
4263 /* This particular server apparently has a bug so that the test
4264 * works but the actual code crashes it
4266 if ((!strcmp (XServerVendor (display_x11->xdisplay),
4267 "Sun Microsystems, Inc.")) &&
4268 (VendorRelease (display_x11->xdisplay) == 3400))
4270 display_x11->gravity_works = GDK_NO;
4274 attr.window_type = GDK_WINDOW_TEMP;
4275 attr.wclass = GDK_INPUT_OUTPUT;
4280 attr.event_mask = 0;
4282 parent = gdk_window_new (gdk_screen_get_root_window (GDK_DRAWABLE_SCREEN (window)),
4283 &attr, GDK_WA_X | GDK_WA_Y);
4285 attr.window_type = GDK_WINDOW_CHILD;
4286 child = gdk_window_new (parent, &attr, GDK_WA_X | GDK_WA_Y);
4288 gdk_window_set_static_win_gravity (child, TRUE);
4290 gdk_window_resize (parent, 100, 110);
4292 gdk_window_move (parent, 0, -10);
4293 gdk_window_move_resize (parent, 0, 0, 100, 100);
4295 gdk_window_resize (parent, 100, 110);
4296 gdk_window_move (parent, 0, -10);
4297 gdk_window_move_resize (parent, 0, 0, 100, 100);
4299 gdk_window_get_geometry (child, NULL, &y, NULL, NULL, NULL);
4301 gdk_window_destroy (parent);
4302 gdk_window_destroy (child);
4304 display_x11->gravity_works = ((y == -20) ? GDK_YES : GDK_NO);
4307 return (display_x11->gravity_works == GDK_YES);
4311 gdk_window_set_static_bit_gravity (GdkWindow *window, gboolean on)
4313 XSetWindowAttributes xattributes;
4314 GdkWindowObject *private;
4315 guint xattributes_mask = 0;
4317 g_return_if_fail (window != NULL);
4319 private = GDK_WINDOW_OBJECT (window);
4320 if (private->input_only)
4323 xattributes.bit_gravity = StaticGravity;
4324 xattributes_mask |= CWBitGravity;
4325 xattributes.bit_gravity = on ? StaticGravity : ForgetGravity;
4326 XChangeWindowAttributes (GDK_WINDOW_XDISPLAY (window),
4327 GDK_WINDOW_XID (window),
4328 CWBitGravity, &xattributes);
4332 gdk_window_set_static_win_gravity (GdkWindow *window, gboolean on)
4334 XSetWindowAttributes xattributes;
4336 g_return_if_fail (window != NULL);
4338 xattributes.win_gravity = on ? StaticGravity : NorthWestGravity;
4340 XChangeWindowAttributes (GDK_WINDOW_XDISPLAY (window),
4341 GDK_WINDOW_XID (window),
4342 CWWinGravity, &xattributes);
4346 * gdk_window_set_static_gravities:
4347 * @window: a #GdkWindow
4348 * @use_static: %TRUE to turn on static gravity
4350 * Set the bit gravity of the given window to static, and flag it so
4351 * all children get static subwindow gravity. This is used if you are
4352 * implementing scary features that involve deep knowledge of the
4353 * windowing system. Don't worry about it unless you have to.
4355 * Return value: %TRUE if the server supports static gravity
4358 gdk_window_set_static_gravities (GdkWindow *window,
4359 gboolean use_static)
4361 GdkWindowObject *private = (GdkWindowObject *)window;
4364 g_return_val_if_fail (window != NULL, FALSE);
4365 g_return_val_if_fail (GDK_IS_WINDOW (window), FALSE);
4367 if (!use_static == !private->guffaw_gravity)
4370 if (use_static && !gdk_window_gravity_works (window))
4373 private->guffaw_gravity = use_static;
4375 if (!GDK_WINDOW_DESTROYED (window))
4377 gdk_window_set_static_bit_gravity (window, use_static);
4379 tmp_list = private->children;
4382 gdk_window_set_static_win_gravity (tmp_list->data, use_static);
4384 tmp_list = tmp_list->next;
4392 wmspec_moveresize (GdkWindow *window,
4398 GdkDisplay *display = GDK_WINDOW_DISPLAY (window);
4402 /* Release passive grab */
4403 gdk_display_pointer_ungrab (display, timestamp);
4405 xev.xclient.type = ClientMessage;
4406 xev.xclient.serial = 0;
4407 xev.xclient.send_event = True;
4408 xev.xclient.window = GDK_WINDOW_XID (window);
4409 xev.xclient.message_type =
4410 gdk_x11_get_xatom_by_name_for_display (display, "_NET_WM_MOVERESIZE");
4411 xev.xclient.format = 32;
4412 xev.xclient.data.l[0] = root_x;
4413 xev.xclient.data.l[1] = root_y;
4414 xev.xclient.data.l[2] = direction;
4415 xev.xclient.data.l[3] = 0;
4416 xev.xclient.data.l[4] = 0;
4418 XSendEvent (GDK_DISPLAY_XDISPLAY (display), GDK_WINDOW_XROOTWIN (window), False,
4419 SubstructureRedirectMask | SubstructureNotifyMask,
4423 typedef struct _MoveResizeData MoveResizeData;
4425 struct _MoveResizeData
4427 GdkDisplay *display;
4429 GdkWindow *moveresize_window;
4430 GdkWindow *moveresize_emulation_window;
4432 GdkWindowEdge resize_edge;
4433 gint moveresize_button;
4436 gint moveresize_orig_x;
4437 gint moveresize_orig_y;
4438 gint moveresize_orig_width;
4439 gint moveresize_orig_height;
4440 GdkWindowHints moveresize_geom_mask;
4441 GdkGeometry moveresize_geometry;
4442 Time moveresize_process_time;
4443 XEvent *moveresize_pending_event;
4446 /* From the WM spec */
4447 #define _NET_WM_MOVERESIZE_SIZE_TOPLEFT 0
4448 #define _NET_WM_MOVERESIZE_SIZE_TOP 1
4449 #define _NET_WM_MOVERESIZE_SIZE_TOPRIGHT 2
4450 #define _NET_WM_MOVERESIZE_SIZE_RIGHT 3
4451 #define _NET_WM_MOVERESIZE_SIZE_BOTTOMRIGHT 4
4452 #define _NET_WM_MOVERESIZE_SIZE_BOTTOM 5
4453 #define _NET_WM_MOVERESIZE_SIZE_BOTTOMLEFT 6
4454 #define _NET_WM_MOVERESIZE_SIZE_LEFT 7
4455 #define _NET_WM_MOVERESIZE_MOVE 8
4458 wmspec_resize_drag (GdkWindow *window,
4467 /* Let the compiler turn a switch into a table, instead
4468 * of doing the table manually, this way is easier to verify.
4472 case GDK_WINDOW_EDGE_NORTH_WEST:
4473 direction = _NET_WM_MOVERESIZE_SIZE_TOPLEFT;
4476 case GDK_WINDOW_EDGE_NORTH:
4477 direction = _NET_WM_MOVERESIZE_SIZE_TOP;
4480 case GDK_WINDOW_EDGE_NORTH_EAST:
4481 direction = _NET_WM_MOVERESIZE_SIZE_TOPRIGHT;
4484 case GDK_WINDOW_EDGE_WEST:
4485 direction = _NET_WM_MOVERESIZE_SIZE_LEFT;
4488 case GDK_WINDOW_EDGE_EAST:
4489 direction = _NET_WM_MOVERESIZE_SIZE_RIGHT;
4492 case GDK_WINDOW_EDGE_SOUTH_WEST:
4493 direction = _NET_WM_MOVERESIZE_SIZE_BOTTOMLEFT;
4496 case GDK_WINDOW_EDGE_SOUTH:
4497 direction = _NET_WM_MOVERESIZE_SIZE_BOTTOM;
4500 case GDK_WINDOW_EDGE_SOUTH_EAST:
4501 direction = _NET_WM_MOVERESIZE_SIZE_BOTTOMRIGHT;
4505 g_warning ("gdk_window_begin_resize_drag: bad resize edge %d!",
4511 wmspec_moveresize (window, direction, root_x, root_y, timestamp);
4514 static MoveResizeData *
4515 get_move_resize_data (GdkDisplay *display,
4518 MoveResizeData *mv_resize;
4519 static GQuark move_resize_quark = 0;
4521 if (!move_resize_quark)
4522 move_resize_quark = g_quark_from_static_string ("gdk-window-moveresize");
4524 mv_resize = g_object_get_qdata (G_OBJECT (display), move_resize_quark);
4526 if (!mv_resize && create)
4528 mv_resize = g_new0 (MoveResizeData, 1);
4529 mv_resize->display = display;
4531 g_object_set_qdata (G_OBJECT (display), move_resize_quark, mv_resize);
4538 update_pos (MoveResizeData *mv_resize,
4544 dx = new_root_x - mv_resize->moveresize_x;
4545 dy = new_root_y - mv_resize->moveresize_y;
4547 if (mv_resize->is_resize)
4551 w = mv_resize->moveresize_orig_width;
4552 h = mv_resize->moveresize_orig_height;
4554 switch (mv_resize->resize_edge)
4556 case GDK_WINDOW_EDGE_SOUTH_EAST:
4565 if (mv_resize->moveresize_geom_mask)
4567 gdk_window_constrain_size (&mv_resize->moveresize_geometry,
4568 mv_resize->moveresize_geom_mask,
4572 gdk_window_resize (mv_resize->moveresize_window, w, h);
4578 x = mv_resize->moveresize_orig_x + dx;
4579 y = mv_resize->moveresize_orig_y + dy;
4581 gdk_window_move (mv_resize->moveresize_window, x, y);
4586 finish_drag (MoveResizeData *mv_resize)
4588 gdk_window_destroy (mv_resize->moveresize_emulation_window);
4589 mv_resize->moveresize_emulation_window = NULL;
4590 mv_resize->moveresize_window = NULL;
4592 if (mv_resize->moveresize_pending_event)
4594 g_free (mv_resize->moveresize_pending_event);
4595 mv_resize->moveresize_pending_event = NULL;
4600 lookahead_motion_predicate (Display *xdisplay,
4604 gboolean *seen_release = (gboolean *)arg;
4605 GdkDisplay *display = gdk_x11_lookup_xdisplay (xdisplay);
4606 MoveResizeData *mv_resize = get_move_resize_data (display, FALSE);
4611 switch (event->xany.type)
4614 *seen_release = TRUE;
4617 mv_resize->moveresize_process_time = event->xmotion.time;
4627 moveresize_lookahead (MoveResizeData *mv_resize,
4631 gboolean seen_release = FALSE;
4633 if (mv_resize->moveresize_process_time)
4635 if (event->xmotion.time == mv_resize->moveresize_process_time)
4637 mv_resize->moveresize_process_time = 0;
4644 XCheckIfEvent (event->xany.display, &tmp_event,
4645 lookahead_motion_predicate, (XPointer) & seen_release);
4647 return mv_resize->moveresize_process_time == 0;
4651 _gdk_moveresize_handle_event (XEvent *event)
4653 guint button_mask = 0;
4654 GdkWindowObject *window_private;
4655 GdkDisplay *display= gdk_x11_lookup_xdisplay (event->xany.display);
4656 MoveResizeData *mv_resize = get_move_resize_data (display, FALSE);
4658 if (!mv_resize || !mv_resize->moveresize_window)
4661 window_private = (GdkWindowObject *) mv_resize->moveresize_window;
4663 button_mask = GDK_BUTTON1_MASK << (mv_resize->moveresize_button - 1);
4665 switch (event->xany.type)
4668 if (window_private->resize_count > 0)
4670 if (mv_resize->moveresize_pending_event)
4671 *mv_resize->moveresize_pending_event = *event;
4673 mv_resize->moveresize_pending_event =
4674 g_memdup (event, sizeof (XEvent));
4678 if (!moveresize_lookahead (mv_resize, event))
4681 update_pos (mv_resize,
4682 event->xmotion.x_root,
4683 event->xmotion.y_root);
4685 /* This should never be triggered in normal cases, but in the
4686 * case where the drag started without an implicit grab being
4687 * in effect, we could miss the release if it occurs before
4688 * we grab the pointer; this ensures that we will never
4689 * get a permanently stuck grab.
4691 if ((event->xmotion.state & button_mask) == 0)
4692 finish_drag (mv_resize);
4696 update_pos (mv_resize,
4697 event->xbutton.x_root,
4698 event->xbutton.y_root);
4700 if (event->xbutton.button == mv_resize->moveresize_button)
4701 finish_drag (mv_resize);
4708 _gdk_moveresize_configure_done (GdkDisplay *display,
4712 MoveResizeData *mv_resize = get_move_resize_data (display, FALSE);
4714 if (!mv_resize || window != mv_resize->moveresize_window)
4717 if (mv_resize->moveresize_pending_event)
4719 tmp_event = mv_resize->moveresize_pending_event;
4720 mv_resize->moveresize_pending_event = NULL;
4721 _gdk_moveresize_handle_event (tmp_event);
4729 create_moveresize_window (MoveResizeData *mv_resize,
4732 GdkWindowAttr attributes;
4733 gint attributes_mask;
4734 GdkGrabStatus status;
4736 g_assert (mv_resize->moveresize_emulation_window == NULL);
4738 attributes.x = -100;
4739 attributes.y = -100;
4740 attributes.width = 10;
4741 attributes.height = 10;
4742 attributes.window_type = GDK_WINDOW_TEMP;
4743 attributes.wclass = GDK_INPUT_ONLY;
4744 attributes.override_redirect = TRUE;
4745 attributes.event_mask = 0;
4747 attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_NOREDIR;
4749 mv_resize->moveresize_emulation_window =
4750 gdk_window_new (gdk_screen_get_root_window (gdk_display_get_default_screen (mv_resize->display)),
4754 gdk_window_show (mv_resize->moveresize_emulation_window);
4756 status = gdk_pointer_grab (mv_resize->moveresize_emulation_window,
4758 GDK_BUTTON_RELEASE_MASK |
4759 GDK_POINTER_MOTION_MASK,
4764 if (status != GDK_GRAB_SUCCESS)
4766 /* If this fails, some other client has grabbed the window
4769 gdk_window_destroy (mv_resize->moveresize_emulation_window);
4770 mv_resize->moveresize_emulation_window = NULL;
4773 mv_resize->moveresize_process_time = 0;
4777 emulate_resize_drag (GdkWindow *window,
4784 MoveResizeData *mv_resize = get_move_resize_data (GDK_WINDOW_DISPLAY (window), TRUE);
4786 mv_resize->is_resize = TRUE;
4787 mv_resize->moveresize_button = button;
4788 mv_resize->resize_edge = edge;
4789 mv_resize->moveresize_x = root_x;
4790 mv_resize->moveresize_y = root_y;
4791 mv_resize->moveresize_window = g_object_ref (window);
4793 gdk_drawable_get_size (window,
4794 &mv_resize->moveresize_orig_width,
4795 &mv_resize->moveresize_orig_height);
4797 mv_resize->moveresize_geom_mask = 0;
4798 gdk_window_get_geometry_hints (window,
4799 &mv_resize->moveresize_geometry,
4800 &mv_resize->moveresize_geom_mask);
4802 create_moveresize_window (mv_resize, timestamp);
4806 emulate_move_drag (GdkWindow *window,
4812 MoveResizeData *mv_resize = get_move_resize_data (GDK_WINDOW_DISPLAY (window), TRUE);
4814 mv_resize->is_resize = FALSE;
4815 mv_resize->moveresize_button = button;
4816 mv_resize->moveresize_x = root_x;
4817 mv_resize->moveresize_y = root_y;
4819 mv_resize->moveresize_window = g_object_ref (window);
4821 gdk_window_get_deskrelative_origin (mv_resize->moveresize_window,
4822 &mv_resize->moveresize_orig_x,
4823 &mv_resize->moveresize_orig_y);
4825 create_moveresize_window (mv_resize, timestamp);
4829 * gdk_window_begin_resize_drag:
4830 * @window: a toplevel #GdkWindow
4831 * @edge: the edge or corner from which the drag is started
4832 * @button: the button being used to drag
4833 * @root_x: root window X coordinate of mouse click that began the drag
4834 * @root_y: root window Y coordinate of mouse click that began the drag
4835 * @timestamp: timestamp of mouse click that began the drag (use gdk_event_get_time())
4837 * Begins a window resize operation (for a toplevel window).
4838 * You might use this function to implement a "window resize grip," for
4839 * example; in fact #GtkStatusbar uses it. The function works best
4840 * with window managers that support the Extended Window Manager Hints spec
4841 * (see http://www.freedesktop.org), but has a fallback implementation
4842 * for other window managers.
4846 gdk_window_begin_resize_drag (GdkWindow *window,
4853 g_return_if_fail (GDK_IS_WINDOW (window));
4855 if (GDK_WINDOW_DESTROYED (window))
4858 if (gdk_x11_screen_supports_net_wm_hint (GDK_WINDOW_SCREEN (window),
4859 gdk_atom_intern ("_NET_WM_MOVERESIZE", FALSE)))
4860 wmspec_resize_drag (window, edge, button, root_x, root_y, timestamp);
4862 emulate_resize_drag (window, edge, button, root_x, root_y, timestamp);
4866 * gdk_window_begin_move_drag:
4867 * @window: a toplevel #GdkWindow
4868 * @button: the button being used to drag
4869 * @root_x: root window X coordinate of mouse click that began the drag
4870 * @root_y: root window Y coordinate of mouse click that began the drag
4871 * @timestamp: timestamp of mouse click that began the drag
4873 * Begins a window move operation (for a toplevel window). You might
4874 * use this function to implement a "window move grip," for
4875 * example. The function works best with window managers that support
4876 * the Extended Window Manager Hints spec (see
4877 * http://www.freedesktop.org), but has a fallback implementation for
4878 * other window managers.
4882 gdk_window_begin_move_drag (GdkWindow *window,
4888 g_return_if_fail (GDK_IS_WINDOW (window));
4890 if (GDK_WINDOW_DESTROYED (window))
4893 if (gdk_x11_screen_supports_net_wm_hint (GDK_WINDOW_SCREEN (window),
4894 gdk_atom_intern ("_NET_WM_MOVERESIZE", FALSE)))
4895 wmspec_moveresize (window, _NET_WM_MOVERESIZE_MOVE, root_x, root_y,
4898 emulate_move_drag (window, button, root_x, root_y, timestamp);