1 /* GTK - The GIMP Toolkit
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 Free
16 * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
19 /* By Owen Taylor <otaylor@gtk.org> 98/4/4 */
22 * Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
23 * file for a list of people on the GTK+ Team. See the ChangeLog
24 * files for a list of changes. These files are distributed with
25 * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
29 #include "gtkmarshalers.h"
31 #include "gtkprivate.h"
33 #include "gdk/gdkkeysyms.h"
38 static void gtk_plug_class_init (GtkPlugClass *klass);
39 static void gtk_plug_init (GtkPlug *plug);
40 static void gtk_plug_finalize (GObject *object);
41 static void gtk_plug_realize (GtkWidget *widget);
42 static void gtk_plug_unrealize (GtkWidget *widget);
43 static void gtk_plug_show (GtkWidget *widget);
44 static void gtk_plug_hide (GtkWidget *widget);
45 static void gtk_plug_map (GtkWidget *widget);
46 static void gtk_plug_unmap (GtkWidget *widget);
47 static void gtk_plug_size_allocate (GtkWidget *widget,
48 GtkAllocation *allocation);
49 static gboolean gtk_plug_key_press_event (GtkWidget *widget,
51 static gboolean gtk_plug_focus_event (GtkWidget *widget,
52 GdkEventFocus *event);
53 static void gtk_plug_set_focus (GtkWindow *window,
55 static gboolean gtk_plug_focus (GtkWidget *widget,
56 GtkDirectionType direction);
57 static void gtk_plug_check_resize (GtkContainer *container);
58 static void gtk_plug_keys_changed (GtkWindow *window);
59 static GdkFilterReturn gtk_plug_filter_func (GdkXEvent *gdk_xevent,
63 static void handle_modality_off (GtkPlug *plug);
64 static void send_xembed_message (GtkPlug *plug,
70 static void xembed_set_info (GdkWindow *window,
74 #define EMBEDDED_APP_WANTS_FOCUS NotifyNormal+20
76 static GtkWindowClass *parent_class = NULL;
77 static GtkBinClass *bin_class = NULL;
84 static guint plug_signals[LAST_SIGNAL] = { 0 };
89 static GType plug_type = 0;
93 static const GTypeInfo plug_info =
95 sizeof (GtkPlugClass),
97 NULL, /* base_finalize */
98 (GClassInitFunc) gtk_plug_class_init,
99 NULL, /* class_finalize */
100 NULL, /* class_data */
102 16, /* n_preallocs */
103 (GInstanceInitFunc) gtk_plug_init,
106 plug_type = g_type_register_static (GTK_TYPE_WINDOW, "GtkPlug",
114 gtk_plug_class_init (GtkPlugClass *class)
116 GObjectClass *gobject_class = (GObjectClass *)class;
117 GtkWidgetClass *widget_class = (GtkWidgetClass *)class;
118 GtkWindowClass *window_class = (GtkWindowClass *)class;
119 GtkContainerClass *container_class = (GtkContainerClass *)class;
121 parent_class = g_type_class_peek_parent (class);
122 bin_class = g_type_class_peek (GTK_TYPE_BIN);
124 gobject_class->finalize = gtk_plug_finalize;
126 widget_class->realize = gtk_plug_realize;
127 widget_class->unrealize = gtk_plug_unrealize;
128 widget_class->key_press_event = gtk_plug_key_press_event;
129 widget_class->focus_in_event = gtk_plug_focus_event;
130 widget_class->focus_out_event = gtk_plug_focus_event;
132 widget_class->show = gtk_plug_show;
133 widget_class->hide = gtk_plug_hide;
134 widget_class->map = gtk_plug_map;
135 widget_class->unmap = gtk_plug_unmap;
136 widget_class->size_allocate = gtk_plug_size_allocate;
138 widget_class->focus = gtk_plug_focus;
140 container_class->check_resize = gtk_plug_check_resize;
142 window_class->set_focus = gtk_plug_set_focus;
143 window_class->keys_changed = gtk_plug_keys_changed;
145 plug_signals[EMBEDDED] =
146 g_signal_new ("embedded",
147 G_OBJECT_CLASS_TYPE (class),
149 G_STRUCT_OFFSET (GtkPlugClass, embedded),
151 _gtk_marshal_VOID__VOID,
156 gtk_plug_init (GtkPlug *plug)
160 window = GTK_WINDOW (plug);
162 window->type = GTK_WINDOW_TOPLEVEL;
166 gtk_plug_set_is_child (GtkPlug *plug,
169 g_assert (!GTK_WIDGET (plug)->parent);
173 if (plug->modality_window)
174 handle_modality_off (plug);
176 if (plug->modality_group)
178 gtk_window_group_remove_window (plug->modality_group, GTK_WINDOW (plug));
179 g_object_unref (plug->modality_group);
180 plug->modality_group = NULL;
183 /* As a toplevel, the MAPPED flag doesn't correspond
184 * to whether the widget->window is mapped; we unmap
185 * here, but don't bother remapping -- we will get mapped
186 * by gtk_widget_set_parent ().
188 if (GTK_WIDGET_MAPPED (plug))
189 gtk_widget_unmap (GTK_WIDGET (plug));
191 GTK_WIDGET_UNSET_FLAGS (plug, GTK_TOPLEVEL);
192 gtk_container_set_resize_mode (GTK_CONTAINER (plug), GTK_RESIZE_PARENT);
194 _gtk_widget_propagate_hierarchy_changed (GTK_WIDGET (plug), GTK_WIDGET (plug));
198 if (GTK_WINDOW (plug)->focus_widget)
199 gtk_window_set_focus (GTK_WINDOW (plug), NULL);
200 if (GTK_WINDOW (plug)->default_widget)
201 gtk_window_set_default (GTK_WINDOW (plug), NULL);
203 plug->modality_group = gtk_window_group_new ();
204 gtk_window_group_add_window (plug->modality_group, GTK_WINDOW (plug));
206 GTK_WIDGET_SET_FLAGS (plug, GTK_TOPLEVEL);
207 gtk_container_set_resize_mode (GTK_CONTAINER (plug), GTK_RESIZE_QUEUE);
209 _gtk_widget_propagate_hierarchy_changed (GTK_WIDGET (plug), NULL);
214 * _gtk_plug_add_to_socket:
216 * @socket_: a #GtkSocket
218 * Adds a plug to a socket within the same application.
221 _gtk_plug_add_to_socket (GtkPlug *plug,
227 g_return_if_fail (GTK_IS_PLUG (plug));
228 g_return_if_fail (GTK_IS_SOCKET (socket));
229 g_return_if_fail (GTK_WIDGET_REALIZED (socket));
231 widget = GTK_WIDGET (plug);
233 gtk_plug_set_is_child (plug, TRUE);
234 plug->same_app = TRUE;
235 socket->same_app = TRUE;
236 socket->plug_widget = widget;
238 plug->socket_window = GTK_WIDGET (socket)->window;
240 if (GTK_WIDGET_REALIZED (widget))
242 gdk_drawable_get_size (GDK_DRAWABLE (widget->window), &w, &h);
243 gdk_window_reparent (widget->window, plug->socket_window, -w, -h);
246 gtk_widget_set_parent (widget, GTK_WIDGET (socket));
248 g_signal_emit_by_name (socket, "plug_added", 0);
252 send_delete_event (GtkWidget *widget)
254 GdkEvent *event = gdk_event_new (GDK_DELETE);
256 event->any.window = g_object_ref (widget->window);
257 event->any.send_event = FALSE;
259 gtk_widget_ref (widget);
261 if (!gtk_widget_event (widget, event))
262 gtk_widget_destroy (widget);
264 gtk_widget_unref (widget);
266 gdk_event_free (event);
270 * _gtk_plug_remove_from_socket:
272 * @socket_: a #GtkSocket
274 * Removes a plug from a socket within the same application.
277 _gtk_plug_remove_from_socket (GtkPlug *plug,
282 gboolean widget_was_visible;
284 g_return_if_fail (GTK_IS_PLUG (plug));
285 g_return_if_fail (GTK_IS_SOCKET (socket));
286 g_return_if_fail (GTK_WIDGET_REALIZED (plug));
288 widget = GTK_WIDGET (plug);
291 g_object_ref (socket);
293 widget_was_visible = GTK_WIDGET_VISIBLE (plug);
295 gdk_window_hide (widget->window);
296 gdk_window_reparent (widget->window,
297 gtk_widget_get_root_window (widget),
300 GTK_PRIVATE_SET_FLAG (plug, GTK_IN_REPARENT);
301 gtk_widget_unparent (GTK_WIDGET (plug));
302 GTK_PRIVATE_UNSET_FLAG (plug, GTK_IN_REPARENT);
304 socket->plug_widget = NULL;
305 g_object_unref (socket->plug_window);
306 socket->plug_window = NULL;
308 socket->same_app = FALSE;
310 plug->same_app = FALSE;
311 plug->socket_window = NULL;
313 gtk_plug_set_is_child (plug, FALSE);
315 g_signal_emit_by_name (socket, "plug_removed", &result);
317 gtk_widget_destroy (GTK_WIDGET (socket));
319 send_delete_event (widget);
321 g_object_unref (plug);
323 if (widget_was_visible && GTK_WIDGET_VISIBLE (socket))
324 gtk_widget_queue_resize (GTK_WIDGET (socket));
326 g_object_unref (socket);
330 * gtk_plug_construct:
332 * @socket_id: the XID of the socket's window.
334 * Finish the initialization of @plug for a given #GtkSocket identified by
335 * @socket_id. This function will generally only be used by classes deriving from #GtkPlug.
338 gtk_plug_construct (GtkPlug *plug,
339 GdkNativeWindow socket_id)
341 gtk_plug_construct_for_display (plug, gdk_display_get_default (), socket_id);
345 * gtk_plug_construct_for_display:
347 * @display: the #GdkDisplay associated with @socket_id's
349 * @socket_id: the XID of the socket's window.
351 * Finish the initialization of @plug for a given #GtkSocket identified by
352 * @socket_id which is currently displayed on @display.
353 * This function will generally only be used by classes deriving from #GtkPlug.
356 gtk_plug_construct_for_display (GtkPlug *plug,
358 GdkNativeWindow socket_id)
362 gpointer user_data = NULL;
364 plug->socket_window = gdk_window_lookup_for_display (display, socket_id);
366 if (plug->socket_window)
367 gdk_window_get_user_data (plug->socket_window, &user_data);
369 plug->socket_window = gdk_window_foreign_new_for_display (display, socket_id);
373 if (GTK_IS_SOCKET (user_data))
374 _gtk_plug_add_to_socket (plug, user_data);
377 g_warning (G_STRLOC "Can't create GtkPlug as child of non-GtkSocket");
378 plug->socket_window = NULL;
382 if (plug->socket_window)
383 g_signal_emit (plug, plug_signals[EMBEDDED], 0);
389 * @socket_id: the window ID of the socket, or 0.
391 * Creates a new plug widget inside the #GtkSocket identified
392 * by @socket_id. If @socket_id is 0, the plug is left "unplugged" and
393 * can later be plugged into a #GtkSocket by gtk_socket_add_id().
395 * Return value: the new #GtkPlug widget.
398 gtk_plug_new (GdkNativeWindow socket_id)
400 return gtk_plug_new_for_display (gdk_display_get_default (), socket_id);
404 * gtk_plug_new_for_display:
405 * @display : the #GdkDisplay on which @socket_id is displayed
406 * @socket_id: the XID of the socket's window.
408 * Create a new plug widget inside the #GtkSocket identified by socket_id.
410 * Return value: the new #GtkPlug widget.
413 gtk_plug_new_for_display (GdkDisplay *display,
414 GdkNativeWindow socket_id)
418 plug = g_object_new (GTK_TYPE_PLUG, NULL);
419 gtk_plug_construct_for_display (plug, display, socket_id);
420 return GTK_WIDGET (plug);
427 * Gets the window ID of a #GtkPlug widget, which can then
428 * be used to embed this window inside another window, for
429 * instance with gtk_socket_add_id().
431 * Return value: the window ID for the plug
434 gtk_plug_get_id (GtkPlug *plug)
436 g_return_val_if_fail (GTK_IS_PLUG (plug), 0);
438 if (!GTK_WIDGET_REALIZED (plug))
439 gtk_widget_realize (GTK_WIDGET (plug));
441 return GDK_WINDOW_XWINDOW (GTK_WIDGET (plug)->window);
445 gtk_plug_finalize (GObject *object)
447 GtkPlug *plug = GTK_PLUG (object);
449 if (plug->grabbed_keys)
451 g_hash_table_destroy (plug->grabbed_keys);
452 plug->grabbed_keys = NULL;
455 G_OBJECT_CLASS (parent_class)->finalize (object);
459 gtk_plug_unrealize (GtkWidget *widget)
463 g_return_if_fail (GTK_IS_PLUG (widget));
465 plug = GTK_PLUG (widget);
467 if (plug->socket_window != NULL)
469 gdk_window_set_user_data (plug->socket_window, NULL);
470 g_object_unref (plug->socket_window);
471 plug->socket_window = NULL;
476 if (plug->modality_window)
477 handle_modality_off (plug);
479 gtk_window_group_remove_window (plug->modality_group, GTK_WINDOW (plug));
480 g_object_unref (plug->modality_group);
483 if (GTK_WIDGET_CLASS (parent_class)->unrealize)
484 (* GTK_WIDGET_CLASS (parent_class)->unrealize) (widget);
488 gtk_plug_realize (GtkWidget *widget)
492 GdkWindowAttr attributes;
493 gint attributes_mask;
495 g_return_if_fail (GTK_IS_PLUG (widget));
497 GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
498 window = GTK_WINDOW (widget);
499 plug = GTK_PLUG (widget);
501 attributes.window_type = GDK_WINDOW_CHILD; /* XXX GDK_WINDOW_PLUG ? */
502 attributes.title = window->title;
503 attributes.wmclass_name = window->wmclass_name;
504 attributes.wmclass_class = window->wmclass_class;
505 attributes.width = widget->allocation.width;
506 attributes.height = widget->allocation.height;
507 attributes.wclass = GDK_INPUT_OUTPUT;
509 /* this isn't right - we should match our parent's visual/colormap.
510 * though that will require handling "foreign" colormaps */
511 attributes.visual = gtk_widget_get_visual (widget);
512 attributes.colormap = gtk_widget_get_colormap (widget);
513 attributes.event_mask = gtk_widget_get_events (widget);
514 attributes.event_mask |= (GDK_EXPOSURE_MASK |
516 GDK_KEY_RELEASE_MASK |
517 GDK_ENTER_NOTIFY_MASK |
518 GDK_LEAVE_NOTIFY_MASK |
521 attributes_mask = GDK_WA_VISUAL | GDK_WA_COLORMAP;
522 attributes_mask |= (window->title ? GDK_WA_TITLE : 0);
523 attributes_mask |= (window->wmclass_name ? GDK_WA_WMCLASS : 0);
525 if (GTK_WIDGET_TOPLEVEL (widget))
527 attributes.window_type = GDK_WINDOW_TOPLEVEL;
529 gdk_error_trap_push ();
530 if (plug->socket_window)
531 widget->window = gdk_window_new (plug->socket_window,
532 &attributes, attributes_mask);
533 else /* If it's a passive plug, we use the root window */
534 widget->window = gdk_window_new (gtk_widget_get_root_window (widget),
535 &attributes, attributes_mask);
537 gdk_display_sync (gtk_widget_get_display (widget));
538 if (gdk_error_trap_pop ()) /* Uh-oh */
540 gdk_error_trap_push ();
541 gdk_window_destroy (widget->window);
543 gdk_error_trap_pop ();
544 widget->window = gdk_window_new (gtk_widget_get_root_window (widget),
545 &attributes, attributes_mask);
548 gdk_window_add_filter (widget->window, gtk_plug_filter_func, widget);
550 plug->modality_group = gtk_window_group_new ();
551 gtk_window_group_add_window (plug->modality_group, window);
553 xembed_set_info (widget->window, 0);
556 widget->window = gdk_window_new (gtk_widget_get_parent_window (widget),
557 &attributes, attributes_mask);
559 gdk_window_set_user_data (widget->window, window);
561 widget->style = gtk_style_attach (widget->style, widget->window);
562 gtk_style_set_background (widget->style, widget->window, GTK_STATE_NORMAL);
566 gtk_plug_show (GtkWidget *widget)
568 if (GTK_WIDGET_TOPLEVEL (widget))
569 GTK_WIDGET_CLASS (parent_class)->show (widget);
571 GTK_WIDGET_CLASS (bin_class)->show (widget);
575 gtk_plug_hide (GtkWidget *widget)
577 if (GTK_WIDGET_TOPLEVEL (widget))
578 GTK_WIDGET_CLASS (parent_class)->hide (widget);
580 GTK_WIDGET_CLASS (bin_class)->hide (widget);
583 /* From gdkinternals.h */
584 void gdk_synthesize_window_state (GdkWindow *window,
585 GdkWindowState unset_flags,
586 GdkWindowState set_flags);
589 gtk_plug_map (GtkWidget *widget)
591 if (GTK_WIDGET_TOPLEVEL (widget))
593 GtkBin *bin = GTK_BIN (widget);
595 GTK_WIDGET_SET_FLAGS (widget, GTK_MAPPED);
598 GTK_WIDGET_VISIBLE (bin->child) &&
599 !GTK_WIDGET_MAPPED (bin->child))
600 gtk_widget_map (bin->child);
602 xembed_set_info (widget->window, XEMBED_MAPPED);
604 gdk_synthesize_window_state (widget->window,
605 GDK_WINDOW_STATE_WITHDRAWN,
609 GTK_WIDGET_CLASS (bin_class)->map (widget);
613 gtk_plug_unmap (GtkWidget *widget)
615 if (GTK_WIDGET_TOPLEVEL (widget))
617 GTK_WIDGET_UNSET_FLAGS (widget, GTK_MAPPED);
619 gdk_window_hide (widget->window);
620 xembed_set_info (widget->window, 0);
622 gdk_synthesize_window_state (widget->window,
624 GDK_WINDOW_STATE_WITHDRAWN);
627 GTK_WIDGET_CLASS (bin_class)->unmap (widget);
631 gtk_plug_size_allocate (GtkWidget *widget,
632 GtkAllocation *allocation)
634 if (GTK_WIDGET_TOPLEVEL (widget))
635 GTK_WIDGET_CLASS (parent_class)->size_allocate (widget, allocation);
638 GtkBin *bin = GTK_BIN (widget);
640 widget->allocation = *allocation;
642 if (GTK_WIDGET_REALIZED (widget))
643 gdk_window_move_resize (widget->window,
644 allocation->x, allocation->y,
645 allocation->width, allocation->height);
647 if (bin->child && GTK_WIDGET_VISIBLE (bin->child))
649 GtkAllocation child_allocation;
651 child_allocation.x = child_allocation.y = GTK_CONTAINER (widget)->border_width;
652 child_allocation.width =
653 MAX (1, (gint)allocation->width - child_allocation.x * 2);
654 child_allocation.height =
655 MAX (1, (gint)allocation->height - child_allocation.y * 2);
657 gtk_widget_size_allocate (bin->child, &child_allocation);
664 gtk_plug_key_press_event (GtkWidget *widget,
667 if (GTK_WIDGET_TOPLEVEL (widget))
668 return GTK_WIDGET_CLASS (parent_class)->key_press_event (widget, event);
674 gtk_plug_focus_event (GtkWidget *widget,
675 GdkEventFocus *event)
677 /* We eat focus-in events and focus-out events, since they
678 * can be generated by something like a keyboard grab on
679 * a child of the plug.
685 gtk_plug_set_focus (GtkWindow *window,
688 GtkPlug *plug = GTK_PLUG (window);
690 GTK_WINDOW_CLASS (parent_class)->set_focus (window, focus);
692 /* Ask for focus from embedder
695 if (focus && !window->has_toplevel_focus)
697 send_xembed_message (plug, XEMBED_REQUEST_FOCUS, 0, 0, 0,
698 gtk_get_current_event_time ());
704 guint accelerator_key;
705 GdkModifierType accelerator_mods;
709 grabbed_key_hash (gconstpointer a)
711 const GrabbedKey *key = a;
714 h = key->accelerator_key << 16;
715 h ^= key->accelerator_key >> 16;
716 h ^= key->accelerator_mods;
722 grabbed_key_equal (gconstpointer a, gconstpointer b)
724 const GrabbedKey *keya = a;
725 const GrabbedKey *keyb = b;
727 return (keya->accelerator_key == keyb->accelerator_key &&
728 keya->accelerator_mods == keyb->accelerator_mods);
732 add_grabbed_key (gpointer key, gpointer val, gpointer data)
734 GrabbedKey *grabbed_key = key;
735 GtkPlug *plug = data;
737 if (!plug->grabbed_keys ||
738 !g_hash_table_lookup (plug->grabbed_keys, grabbed_key))
740 send_xembed_message (plug, XEMBED_GTK_GRAB_KEY, 0,
741 grabbed_key->accelerator_key, grabbed_key->accelerator_mods,
742 gtk_get_current_event_time ());
747 add_grabbed_key_always (gpointer key, gpointer val, gpointer data)
749 GrabbedKey *grabbed_key = key;
750 GtkPlug *plug = data;
752 send_xembed_message (plug, XEMBED_GTK_GRAB_KEY, 0,
753 grabbed_key->accelerator_key, grabbed_key->accelerator_mods,
754 gtk_get_current_event_time ());
758 remove_grabbed_key (gpointer key, gpointer val, gpointer data)
760 GrabbedKey *grabbed_key = key;
761 GtkPlug *plug = data;
763 if (!plug->grabbed_keys ||
764 !g_hash_table_lookup (plug->grabbed_keys, grabbed_key))
766 send_xembed_message (plug, XEMBED_GTK_UNGRAB_KEY, 0,
767 grabbed_key->accelerator_key, grabbed_key->accelerator_mods,
768 gtk_get_current_event_time ());
773 keys_foreach (GtkWindow *window,
775 GdkModifierType modifiers,
776 gboolean is_mnemonic,
779 GHashTable *new_grabbed_keys = data;
780 GrabbedKey *key = g_new (GrabbedKey, 1);
782 key->accelerator_key = keyval;
783 key->accelerator_mods = modifiers;
785 g_hash_table_replace (new_grabbed_keys, key, key);
789 gtk_plug_keys_changed (GtkWindow *window)
791 GHashTable *new_grabbed_keys, *old_grabbed_keys;
792 GtkPlug *plug = GTK_PLUG (window);
794 new_grabbed_keys = g_hash_table_new_full (grabbed_key_hash, grabbed_key_equal, (GDestroyNotify)g_free, NULL);
795 _gtk_window_keys_foreach (window, keys_foreach, new_grabbed_keys);
797 if (plug->socket_window)
798 g_hash_table_foreach (new_grabbed_keys, add_grabbed_key, plug);
800 old_grabbed_keys = plug->grabbed_keys;
801 plug->grabbed_keys = new_grabbed_keys;
803 if (old_grabbed_keys)
805 if (plug->socket_window)
806 g_hash_table_foreach (old_grabbed_keys, remove_grabbed_key, plug);
807 g_hash_table_destroy (old_grabbed_keys);
812 gtk_plug_focus (GtkWidget *widget,
813 GtkDirectionType direction)
815 GtkBin *bin = GTK_BIN (widget);
816 GtkPlug *plug = GTK_PLUG (widget);
817 GtkWindow *window = GTK_WINDOW (widget);
818 GtkContainer *container = GTK_CONTAINER (widget);
819 GtkWidget *old_focus_child = container->focus_child;
822 /* We override GtkWindow's behavior, since we don't want wrapping here.
826 if (gtk_widget_child_focus (old_focus_child, direction))
829 if (window->focus_widget)
831 /* Wrapped off the end, clear the focus setting for the toplevel */
832 parent = window->focus_widget->parent;
835 gtk_container_set_focus_child (GTK_CONTAINER (parent), NULL);
836 parent = GTK_WIDGET (parent)->parent;
839 gtk_window_set_focus (GTK_WINDOW (container), NULL);
841 if (!GTK_CONTAINER (window)->focus_child)
849 case GTK_DIR_TAB_BACKWARD:
850 message = XEMBED_FOCUS_PREV;
854 case GTK_DIR_TAB_FORWARD:
855 message = XEMBED_FOCUS_NEXT;
859 send_xembed_message (plug, message, 0, 0, 0,
860 gtk_get_current_event_time ());
868 /* Try to focus the first widget in the window */
870 if (bin->child && gtk_widget_child_focus (bin->child, direction))
878 gtk_plug_check_resize (GtkContainer *container)
880 if (GTK_WIDGET_TOPLEVEL (container))
881 GTK_CONTAINER_CLASS (parent_class)->check_resize (container);
883 GTK_CONTAINER_CLASS (bin_class)->check_resize (container);
887 send_xembed_message (GtkPlug *plug,
894 if (plug->socket_window)
896 GdkDisplay *display = gdk_drawable_get_display (plug->socket_window);
900 g_message ("GtkPlug: Sending XEMBED message of type %ld", message));
902 xevent.xclient.window = GDK_WINDOW_XWINDOW (plug->socket_window);
903 xevent.xclient.type = ClientMessage;
904 xevent.xclient.message_type = gdk_x11_get_xatom_by_name_for_display (display, "_XEMBED");
905 xevent.xclient.format = 32;
906 xevent.xclient.data.l[0] = time;
907 xevent.xclient.data.l[1] = message;
908 xevent.xclient.data.l[2] = detail;
909 xevent.xclient.data.l[3] = data1;
910 xevent.xclient.data.l[4] = data2;
912 gdk_error_trap_push ();
913 XSendEvent (GDK_WINDOW_XDISPLAY(plug->socket_window),
914 GDK_WINDOW_XWINDOW (plug->socket_window),
915 False, NoEventMask, &xevent);
916 gdk_display_sync (display);
917 gdk_error_trap_pop ();
922 focus_first_last (GtkPlug *plug,
923 GtkDirectionType direction)
925 GtkWindow *window = GTK_WINDOW (plug);
928 if (window->focus_widget)
930 parent = window->focus_widget->parent;
933 gtk_container_set_focus_child (GTK_CONTAINER (parent), NULL);
934 parent = GTK_WIDGET (parent)->parent;
937 gtk_window_set_focus (GTK_WINDOW (plug), NULL);
940 gtk_widget_child_focus (GTK_WIDGET (plug), direction);
944 handle_modality_on (GtkPlug *plug)
946 if (!plug->modality_window)
948 plug->modality_window = gtk_window_new (GTK_WINDOW_POPUP);
949 gtk_window_set_screen (GTK_WINDOW (plug->modality_window),
950 gtk_widget_get_screen (GTK_WIDGET (plug)));
951 gtk_widget_realize (plug->modality_window);
952 gtk_window_group_add_window (plug->modality_group, GTK_WINDOW (plug->modality_window));
953 gtk_grab_add (plug->modality_window);
958 handle_modality_off (GtkPlug *plug)
960 if (plug->modality_window)
962 gtk_widget_destroy (plug->modality_window);
963 plug->modality_window = NULL;
968 xembed_set_info (GdkWindow *window,
971 GdkDisplay *display = gdk_drawable_get_display (window);
972 unsigned long buffer[2];
974 Atom xembed_info_atom = gdk_x11_get_xatom_by_name_for_display (display, "_XEMBED_INFO");
976 buffer[1] = 0; /* Protocol version */
979 XChangeProperty (GDK_DISPLAY_XDISPLAY (display),
980 GDK_WINDOW_XWINDOW (window),
981 xembed_info_atom, xembed_info_atom, 32,
983 (unsigned char *)buffer, 2);
987 handle_xembed_message (GtkPlug *plug,
994 GtkWindow *window = GTK_WINDOW (plug);
996 GTK_NOTE (PLUGSOCKET,
997 g_message ("GtkPlug: Message of type %ld received", message));
1001 case XEMBED_EMBEDDED_NOTIFY:
1003 case XEMBED_WINDOW_ACTIVATE:
1004 _gtk_window_set_is_active (window, TRUE);
1006 case XEMBED_WINDOW_DEACTIVATE:
1007 _gtk_window_set_is_active (window, FALSE);
1010 case XEMBED_MODALITY_ON:
1011 handle_modality_on (plug);
1013 case XEMBED_MODALITY_OFF:
1014 handle_modality_off (plug);
1017 case XEMBED_FOCUS_IN:
1018 _gtk_window_set_has_toplevel_focus (window, TRUE);
1021 case XEMBED_FOCUS_FIRST:
1022 focus_first_last (plug, GTK_DIR_TAB_FORWARD);
1024 case XEMBED_FOCUS_LAST:
1025 focus_first_last (plug, GTK_DIR_TAB_BACKWARD);
1027 case XEMBED_FOCUS_CURRENT:
1032 case XEMBED_FOCUS_OUT:
1033 _gtk_window_set_has_toplevel_focus (window, FALSE);
1036 case XEMBED_GRAB_KEY:
1037 case XEMBED_UNGRAB_KEY:
1038 case XEMBED_GTK_GRAB_KEY:
1039 case XEMBED_GTK_UNGRAB_KEY:
1040 case XEMBED_REQUEST_FOCUS:
1041 case XEMBED_FOCUS_NEXT:
1042 case XEMBED_FOCUS_PREV:
1043 g_warning ("GtkPlug: Invalid _XEMBED message of type %ld received", message);
1047 GTK_NOTE(PLUGSOCKET,
1048 g_message ("GtkPlug: Ignoring unknown _XEMBED message of type %ld", message));
1053 static GdkFilterReturn
1054 gtk_plug_filter_func (GdkXEvent *gdk_xevent, GdkEvent *event, gpointer data)
1056 GdkScreen *screen = gdk_drawable_get_screen (event->any.window);
1057 GdkDisplay *display = gdk_screen_get_display (screen);
1058 GtkPlug *plug = GTK_PLUG (data);
1059 XEvent *xevent = (XEvent *)gdk_xevent;
1061 GdkFilterReturn return_val;
1063 return_val = GDK_FILTER_CONTINUE;
1065 switch (xevent->type)
1068 if (xevent->xclient.message_type == gdk_x11_get_xatom_by_name_for_display (display, "_XEMBED"))
1070 handle_xembed_message (plug,
1071 xevent->xclient.data.l[1],
1072 xevent->xclient.data.l[2],
1073 xevent->xclient.data.l[3],
1074 xevent->xclient.data.l[4],
1075 xevent->xclient.data.l[0]);
1078 return GDK_FILTER_REMOVE;
1080 else if (xevent->xclient.message_type == gdk_x11_get_xatom_by_name_for_display (display, "WM_DELETE_WINDOW"))
1082 /* We filter these out because we take being reparented back to the
1083 * root window as the reliable end of the embedding protocol
1086 return GDK_FILTER_REMOVE;
1089 case ReparentNotify:
1091 XReparentEvent *xre = &xevent->xreparent;
1092 gboolean was_embedded = plug->socket_window != NULL;
1094 return_val = GDK_FILTER_REMOVE;
1096 g_object_ref (plug);
1100 /* End of embedding protocol for previous socket */
1102 /* FIXME: race if we remove from another socket and
1103 * then add to a local window before we get notification
1104 * Probably need check in _gtk_plug_add_to_socket
1107 if (xre->parent != GDK_WINDOW_XWINDOW (plug->socket_window))
1109 GtkWidget *widget = GTK_WIDGET (plug);
1111 gdk_window_set_user_data (plug->socket_window, NULL);
1112 g_object_unref (plug->socket_window);
1113 plug->socket_window = NULL;
1115 /* Emit a delete window, as if the user attempted
1116 * to close the toplevel. Simple as to how we
1117 * handle WM_DELETE_WINDOW, if it isn't handled
1118 * we destroy the widget. BUt only do this if
1119 * we are being reparented to the root window.
1120 * Moving from one embedder to another should
1121 * be invisible to the app.
1124 if (xre->parent == GDK_WINDOW_XWINDOW (gdk_screen_get_root_window (screen)))
1125 send_delete_event (widget);
1131 if (xre->parent != GDK_WINDOW_XWINDOW (gdk_screen_get_root_window (screen)))
1133 /* Start of embedding protocol */
1135 plug->socket_window = gdk_window_lookup_for_display (display, xre->parent);
1136 if (plug->socket_window)
1138 gpointer user_data = NULL;
1139 gdk_window_get_user_data (plug->socket_window, &user_data);
1143 g_warning (G_STRLOC "Plug reparented unexpectedly into window in the same process");
1144 plug->socket_window = NULL;
1148 g_object_ref (plug->socket_window);
1152 plug->socket_window = gdk_window_foreign_new_for_display (display, xre->parent);
1153 if (!plug->socket_window) /* Already gone */
1157 if (plug->grabbed_keys)
1158 g_hash_table_foreach (plug->grabbed_keys, add_grabbed_key_always, plug);
1161 g_signal_emit (plug, plug_signals[EMBEDDED], 0);
1165 g_object_unref (plug);
1171 return GDK_FILTER_CONTINUE;