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_realize (GtkWidget *widget);
41 static void gtk_plug_unrealize (GtkWidget *widget);
42 static void gtk_plug_show (GtkWidget *widget);
43 static void gtk_plug_hide (GtkWidget *widget);
44 static void gtk_plug_map (GtkWidget *widget);
45 static void gtk_plug_unmap (GtkWidget *widget);
46 static void gtk_plug_size_allocate (GtkWidget *widget,
47 GtkAllocation *allocation);
48 static gboolean gtk_plug_key_press_event (GtkWidget *widget,
50 static void gtk_plug_forward_key_press (GtkPlug *plug,
52 static void gtk_plug_set_focus (GtkWindow *window,
54 static gboolean gtk_plug_focus (GtkWidget *widget,
55 GtkDirectionType direction);
56 static void gtk_plug_check_resize (GtkContainer *container);
58 static void gtk_plug_accel_entries_changed (GtkWindow *window);
60 static GdkFilterReturn gtk_plug_filter_func (GdkXEvent *gdk_xevent,
65 static void gtk_plug_free_grabbed_keys (GHashTable *key_table);
67 static void handle_modality_off (GtkPlug *plug);
68 static void send_xembed_message (GtkPlug *plug,
74 static void xembed_set_info (GdkWindow *window,
78 #define EMBEDDED_APP_WANTS_FOCUS NotifyNormal+20
80 static GtkWindowClass *parent_class = NULL;
81 static GtkBinClass *bin_class = NULL;
88 static guint plug_signals[LAST_SIGNAL] = { 0 };
93 static GtkType plug_type = 0;
97 static const GTypeInfo plug_info =
99 sizeof (GtkPlugClass),
100 NULL, /* base_init */
101 NULL, /* base_finalize */
102 (GClassInitFunc) gtk_plug_class_init,
103 NULL, /* class_finalize */
104 NULL, /* class_data */
106 16, /* n_preallocs */
107 (GInstanceInitFunc) gtk_plug_init,
110 plug_type = g_type_register_static (GTK_TYPE_WINDOW, "GtkPlug", &plug_info, 0);
117 gtk_plug_class_init (GtkPlugClass *class)
119 GtkWidgetClass *widget_class = (GtkWidgetClass *)class;
120 GtkWindowClass *window_class = (GtkWindowClass *)class;
121 GtkContainerClass *container_class = (GtkContainerClass *)class;
123 parent_class = gtk_type_class (GTK_TYPE_WINDOW);
124 bin_class = gtk_type_class (GTK_TYPE_BIN);
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;
130 widget_class->show = gtk_plug_show;
131 widget_class->hide = gtk_plug_hide;
132 widget_class->map = gtk_plug_map;
133 widget_class->unmap = gtk_plug_unmap;
134 widget_class->size_allocate = gtk_plug_size_allocate;
136 widget_class->focus = gtk_plug_focus;
138 container_class->check_resize = gtk_plug_check_resize;
140 window_class->set_focus = gtk_plug_set_focus;
142 window_class->accel_entries_changed = gtk_plug_accel_entries_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 plug->modality_group = gtk_window_group_new ();
199 gtk_window_group_add_window (plug->modality_group, GTK_WINDOW (plug));
201 GTK_WIDGET_SET_FLAGS (plug, GTK_TOPLEVEL);
202 gtk_container_set_resize_mode (GTK_CONTAINER (plug), GTK_RESIZE_QUEUE);
204 _gtk_widget_propagate_hierarchy_changed (GTK_WIDGET (plug), NULL);
209 * _gtk_plug_add_to_socket:
211 * @socket: a #GtkSocket
213 * Add a plug to a socket within the same application.
216 _gtk_plug_add_to_socket (GtkPlug *plug,
221 g_return_if_fail (GTK_IS_PLUG (plug));
222 g_return_if_fail (GTK_IS_SOCKET (socket));
223 g_return_if_fail (GTK_WIDGET_REALIZED (socket));
225 widget = GTK_WIDGET (plug);
227 gtk_plug_set_is_child (plug, TRUE);
228 plug->same_app = TRUE;
229 socket->same_app = TRUE;
230 socket->plug_widget = widget;
232 plug->socket_window = GTK_WIDGET (socket)->window;
234 if (GTK_WIDGET_REALIZED (widget))
235 gdk_window_reparent (widget->window, plug->socket_window, 0, 0);
237 gtk_widget_set_parent (widget, GTK_WIDGET (socket));
239 g_signal_emit_by_name (G_OBJECT (socket), "plug_added", 0);
243 * _gtk_plug_remove_from_socket:
245 * @socket: a #GtkSocket
247 * Remove a plug from a socket within the same application.
250 _gtk_plug_remove_from_socket (GtkPlug *plug,
256 gboolean widget_was_visible;
258 g_return_if_fail (GTK_IS_PLUG (plug));
259 g_return_if_fail (GTK_IS_SOCKET (socket));
260 g_return_if_fail (GTK_WIDGET_REALIZED (plug));
262 widget = GTK_WIDGET (plug);
265 g_object_ref (socket);
267 widget_was_visible = GTK_WIDGET_VISIBLE (plug);
269 gdk_window_hide (widget->window);
270 gdk_window_reparent (widget->window, GDK_ROOT_PARENT (), 0, 0);
272 GTK_PRIVATE_SET_FLAG (plug, GTK_IN_REPARENT);
273 gtk_widget_unparent (GTK_WIDGET (plug));
274 GTK_PRIVATE_UNSET_FLAG (plug, GTK_IN_REPARENT);
276 socket->plug_widget = NULL;
277 socket->plug_window = NULL;
278 socket->same_app = FALSE;
280 plug->same_app = FALSE;
281 plug->socket_window = NULL;
283 gtk_plug_set_is_child (plug, FALSE);
285 g_signal_emit_by_name (G_OBJECT (socket), "plug_removed", &result);
287 gtk_widget_destroy (GTK_WIDGET (socket));
289 event.any.type = GDK_DELETE;
290 event.any.window = g_object_ref (widget->window);
291 event.any.send_event = FALSE;
293 if (!gtk_widget_event (widget, &event))
294 gtk_widget_destroy (widget);
296 g_object_unref (event.any.window);
297 g_object_unref (plug);
299 if (widget_was_visible && GTK_WIDGET_VISIBLE (socket))
300 gtk_widget_queue_resize (GTK_WIDGET (socket));
302 g_object_unref (socket);
306 gtk_plug_construct (GtkPlug *plug,
307 GdkNativeWindow socket_id)
311 gpointer user_data = NULL;
313 plug->socket_window = gdk_window_lookup (socket_id);
315 if (plug->socket_window)
316 gdk_window_get_user_data (plug->socket_window, &user_data);
318 plug->socket_window = gdk_window_foreign_new (socket_id);
322 if (GTK_IS_SOCKET (user_data))
323 _gtk_plug_add_to_socket (plug, user_data);
326 g_warning (G_STRLOC "Can't create GtkPlug as child of non-GtkSocket");
327 plug->socket_window = NULL;
331 if (plug->socket_window)
332 g_signal_emit (G_OBJECT (plug), plug_signals[EMBEDDED], 0);
337 gtk_plug_new (GdkNativeWindow socket_id)
341 plug = GTK_PLUG (gtk_type_new (GTK_TYPE_PLUG));
342 gtk_plug_construct (plug, socket_id);
343 return GTK_WIDGET (plug);
350 * Gets the window ID of a #GtkPlug widget, which can then
351 * be used to embed this window inside another window, for
352 * instance with gtk_socket_add_id().
354 * Return value: the window ID for the plug
357 gtk_plug_get_id (GtkPlug *plug)
359 g_return_val_if_fail (GTK_IS_PLUG (plug), 0);
361 if (!GTK_WIDGET_REALIZED (plug))
362 gtk_widget_realize (GTK_WIDGET (plug));
364 return GDK_WINDOW_XWINDOW (GTK_WIDGET (plug)->window);
368 gtk_plug_unrealize (GtkWidget *widget)
372 g_return_if_fail (GTK_IS_PLUG (widget));
374 plug = GTK_PLUG (widget);
376 if (plug->socket_window != NULL)
378 gdk_window_set_user_data (plug->socket_window, NULL);
379 gdk_window_unref (plug->socket_window);
380 plug->socket_window = NULL;
385 if (plug->modality_window)
386 handle_modality_off (plug);
388 gtk_window_group_remove_window (plug->modality_group, GTK_WINDOW (plug));
389 g_object_unref (plug->modality_group);
392 if (GTK_WIDGET_CLASS (parent_class)->unrealize)
393 (* GTK_WIDGET_CLASS (parent_class)->unrealize) (widget);
397 gtk_plug_realize (GtkWidget *widget)
401 GdkWindowAttr attributes;
402 gint attributes_mask;
404 g_return_if_fail (GTK_IS_PLUG (widget));
406 GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
407 window = GTK_WINDOW (widget);
408 plug = GTK_PLUG (widget);
410 attributes.window_type = GDK_WINDOW_CHILD; /* XXX GDK_WINDOW_PLUG ? */
411 attributes.title = window->title;
412 attributes.wmclass_name = window->wmclass_name;
413 attributes.wmclass_class = window->wmclass_class;
414 attributes.width = widget->allocation.width;
415 attributes.height = widget->allocation.height;
416 attributes.wclass = GDK_INPUT_OUTPUT;
418 /* this isn't right - we should match our parent's visual/colormap.
419 * though that will require handling "foreign" colormaps */
420 attributes.visual = gtk_widget_get_visual (widget);
421 attributes.colormap = gtk_widget_get_colormap (widget);
422 attributes.event_mask = gtk_widget_get_events (widget);
423 attributes.event_mask |= (GDK_EXPOSURE_MASK |
425 GDK_KEY_RELEASE_MASK |
426 GDK_ENTER_NOTIFY_MASK |
427 GDK_LEAVE_NOTIFY_MASK |
428 GDK_FOCUS_CHANGE_MASK |
431 attributes_mask = GDK_WA_VISUAL | GDK_WA_COLORMAP;
432 attributes_mask |= (window->title ? GDK_WA_TITLE : 0);
433 attributes_mask |= (window->wmclass_name ? GDK_WA_WMCLASS : 0);
435 if (GTK_WIDGET_TOPLEVEL (widget))
437 attributes.window_type = GDK_WINDOW_TOPLEVEL;
439 gdk_error_trap_push ();
440 widget->window = gdk_window_new (plug->socket_window,
441 &attributes, attributes_mask);
443 if (gdk_error_trap_pop ()) /* Uh-oh */
445 gdk_error_trap_push ();
446 gdk_window_destroy (widget->window);
448 gdk_error_trap_pop ();
449 widget->window = gdk_window_new (NULL, &attributes, attributes_mask);
452 gdk_window_add_filter (widget->window, gtk_plug_filter_func, widget);
454 plug->modality_group = gtk_window_group_new ();
455 gtk_window_group_add_window (plug->modality_group, window);
457 xembed_set_info (widget->window, 0);
460 widget->window = gdk_window_new (gtk_widget_get_parent_window (widget), &attributes, attributes_mask);
462 gdk_window_set_user_data (widget->window, window);
464 widget->style = gtk_style_attach (widget->style, widget->window);
465 gtk_style_set_background (widget->style, widget->window, GTK_STATE_NORMAL);
469 gtk_plug_show (GtkWidget *widget)
471 if (GTK_WIDGET_TOPLEVEL (widget))
472 GTK_WIDGET_CLASS (parent_class)->show (widget);
474 GTK_WIDGET_CLASS (bin_class)->show (widget);
478 gtk_plug_hide (GtkWidget *widget)
480 if (GTK_WIDGET_TOPLEVEL (widget))
481 GTK_WIDGET_CLASS (parent_class)->hide (widget);
483 GTK_WIDGET_CLASS (bin_class)->hide (widget);
486 /* From gdkinternals.h */
487 void gdk_synthesize_window_state (GdkWindow *window,
488 GdkWindowState unset_flags,
489 GdkWindowState set_flags);
492 gtk_plug_map (GtkWidget *widget)
494 if (GTK_WIDGET_TOPLEVEL (widget))
496 GtkBin *bin = GTK_BIN (widget);
498 GTK_WIDGET_SET_FLAGS (widget, GTK_MAPPED);
501 GTK_WIDGET_VISIBLE (bin->child) &&
502 !GTK_WIDGET_MAPPED (bin->child))
503 gtk_widget_map (bin->child);
505 xembed_set_info (widget->window, XEMBED_MAPPED);
507 gdk_synthesize_window_state (widget->window,
508 GDK_WINDOW_STATE_WITHDRAWN,
512 GTK_WIDGET_CLASS (bin_class)->map (widget);
516 gtk_plug_unmap (GtkWidget *widget)
518 if (GTK_WIDGET_TOPLEVEL (widget))
520 GTK_WIDGET_UNSET_FLAGS (widget, GTK_MAPPED);
522 gdk_window_hide (widget->window);
523 xembed_set_info (widget->window, 0);
525 gdk_synthesize_window_state (widget->window,
527 GDK_WINDOW_STATE_WITHDRAWN);
530 GTK_WIDGET_CLASS (bin_class)->unmap (widget);
534 gtk_plug_size_allocate (GtkWidget *widget,
535 GtkAllocation *allocation)
537 if (GTK_WIDGET_TOPLEVEL (widget))
538 GTK_WIDGET_CLASS (parent_class)->size_allocate (widget, allocation);
541 GtkBin *bin = GTK_BIN (widget);
543 widget->allocation = *allocation;
545 if (GTK_WIDGET_REALIZED (widget))
546 gdk_window_move_resize (widget->window,
547 allocation->x, allocation->y,
548 allocation->width, allocation->height);
550 if (bin->child && GTK_WIDGET_VISIBLE (bin->child))
552 GtkAllocation child_allocation;
554 child_allocation.x = child_allocation.y = GTK_CONTAINER (widget)->border_width;
555 child_allocation.width =
556 MAX (1, (gint)allocation->width - child_allocation.x * 2);
557 child_allocation.height =
558 MAX (1, (gint)allocation->height - child_allocation.y * 2);
560 gtk_widget_size_allocate (bin->child, &child_allocation);
567 gtk_plug_key_press_event (GtkWidget *widget,
570 if (GTK_WIDGET_TOPLEVEL (widget))
572 if (!GTK_WINDOW (widget)->has_focus)
574 gtk_plug_forward_key_press (GTK_PLUG (widget), event);
578 return GTK_WIDGET_CLASS (parent_class)->key_press_event (widget, event);
585 gtk_plug_forward_key_press (GtkPlug *plug, GdkEventKey *event)
589 xevent.xkey.type = KeyPress;
590 xevent.xkey.display = GDK_WINDOW_XDISPLAY (GTK_WIDGET(plug)->window);
591 xevent.xkey.window = GDK_WINDOW_XWINDOW (plug->socket_window);
592 xevent.xkey.root = GDK_ROOT_WINDOW (); /* FIXME */
593 xevent.xkey.time = event->time;
594 /* FIXME, the following might cause big problems for
598 xevent.xkey.x_root = 0;
599 xevent.xkey.y_root = 0;
600 xevent.xkey.state = event->state;
601 xevent.xkey.keycode = XKeysymToKeycode(GDK_DISPLAY(),
603 xevent.xkey.same_screen = TRUE; /* FIXME ? */
605 gdk_error_trap_push ();
606 XSendEvent (GDK_DISPLAY (),
607 GDK_WINDOW_XWINDOW (plug->socket_window),
608 False, NoEventMask, &xevent);
610 gdk_error_trap_pop ();
614 gtk_plug_set_focus (GtkWindow *window,
617 GtkPlug *plug = GTK_PLUG (window);
619 GTK_WINDOW_CLASS (parent_class)->set_focus (window, focus);
621 /* Ask for focus from embedder
624 if (focus && !window->has_focus)
629 xevent.xfocus.type = FocusIn;
630 xevent.xfocus.display = GDK_WINDOW_XDISPLAY (GTK_WIDGET(plug)->window);
631 xevent.xfocus.window = GDK_WINDOW_XWINDOW (plug->socket_window);
632 xevent.xfocus.mode = EMBEDDED_APP_WANTS_FOCUS;
633 xevent.xfocus.detail = FALSE; /* Don't force */
635 gdk_error_trap_push ();
636 XSendEvent (GDK_DISPLAY (),
637 GDK_WINDOW_XWINDOW (plug->socket_window),
638 False, NoEventMask, &xevent);
640 gdk_error_trap_pop ();
643 send_xembed_message (plug, XEMBED_REQUEST_FOCUS, 0, 0, 0,
644 gtk_get_current_event_time ());
652 guint accelerator_key;
653 GdkModifierType accelerator_mods;
657 grabbed_key_hash (gconstpointer a)
659 const GrabbedKey *key = a;
662 h = key->accelerator_key << 16;
663 h ^= key->accelerator_key >> 16;
664 h ^= key->accelerator_mods;
670 grabbed_key_equal (gconstpointer a, gconstpointer b)
672 const GrabbedKey *keya = a;
673 const GrabbedKey *keyb = b;
675 return (keya->accelerator_key == keyb->accelerator_key &&
676 keya->accelerator_mods == keyb->accelerator_mods);
680 add_grabbed_keys (gpointer key, gpointer val, gpointer data)
682 GrabbedKey *grabbed_key = key;
683 GtkPlug *plug = data;
685 if (!plug->grabbed_keys ||
686 !g_hash_table_lookup (plug->grabbed_keys, grabbed_key))
688 send_xembed_message (plug, XEMBED_GRAB_KEY, 0,
689 grabbed_key->accelerator_key, grabbed_key->accelerator_mods,
690 gtk_get_current_event_time ());
695 remove_grabbed_keys (gpointer key, gpointer val, gpointer data)
697 GrabbedKey *grabbed_key = key;
698 GtkPlug *plug = data;
700 if (!plug->grabbed_keys ||
701 !g_hash_table_lookup (plug->grabbed_keys, grabbed_key))
703 send_xembed_message (plug, XEMBED_UNGRAB_KEY, 0,
704 grabbed_key->accelerator_key, grabbed_key->accelerator_mods,
705 gtk_get_current_event_time ());
710 gtk_plug_free_grabbed_keys (GHashTable *key_table)
712 g_hash_table_foreach (key_table, (GHFunc)g_free, NULL);
713 g_hash_table_destroy (key_table);
717 gtk_plug_accel_entries_changed (GtkWindow *window)
719 GHashTable *new_grabbed_keys, *old_grabbed_keys;
720 GSList *accel_groups, *tmp_list;
721 GtkPlug *plug = GTK_PLUG (window);
723 new_grabbed_keys = g_hash_table_new (grabbed_key_hash, grabbed_key_equal);
725 accel_groups = gtk_accel_groups_from_object (G_OBJECT (window));
727 tmp_list = accel_groups;
731 GtkAccelGroup *accel_group = tmp_list->data;
733 GtkAccelEntry *entries;
735 gtk_accel_group_get_entries (accel_group, &entries, &n_entries);
737 for (i = 0; i < n_entries; i++)
742 if (gdk_keymap_get_entries_for_keyval (NULL, entries[i].accelerator_key, &keys, &n_keys))
744 GrabbedKey *key = g_new (GrabbedKey, 1);
746 key->accelerator_key = keys[0].keycode;
747 key->accelerator_mods = entries[i].accelerator_mods;
749 g_hash_table_insert (new_grabbed_keys, key, key);
755 tmp_list = tmp_list->next;
758 g_hash_table_foreach (new_grabbed_keys, add_grabbed_keys, plug);
760 old_grabbed_keys = plug->grabbed_keys;
761 plug->grabbed_keys = new_grabbed_keys;
763 if (old_grabbed_keys)
765 g_hash_table_foreach (old_grabbed_keys, remove_grabbed_keys, plug);
766 gtk_plug_free_grabbed_keys (old_grabbed_keys);
773 gtk_plug_focus (GtkWidget *widget,
774 GtkDirectionType direction)
776 GtkBin *bin = GTK_BIN (widget);
777 GtkPlug *plug = GTK_PLUG (widget);
778 GtkWindow *window = GTK_WINDOW (widget);
779 GtkContainer *container = GTK_CONTAINER (widget);
780 GtkWidget *old_focus_child = container->focus_child;
783 /* We override GtkWindow's behavior, since we don't want wrapping here.
787 if (gtk_widget_child_focus (old_focus_child, direction))
790 if (window->focus_widget)
792 /* Wrapped off the end, clear the focus setting for the toplevel */
793 parent = window->focus_widget->parent;
796 gtk_container_set_focus_child (GTK_CONTAINER (parent), NULL);
797 parent = GTK_WIDGET (parent)->parent;
800 gtk_window_set_focus (GTK_WINDOW (container), NULL);
802 if (!GTK_CONTAINER (window)->focus_child)
810 case GTK_DIR_TAB_BACKWARD:
811 message = XEMBED_FOCUS_PREV;
815 case GTK_DIR_TAB_FORWARD:
816 message = XEMBED_FOCUS_NEXT;
820 send_xembed_message (plug, message, 0, 0, 0,
821 gtk_get_current_event_time ());
824 gtk_window_set_focus (GTK_WINDOW (widget), NULL);
826 gdk_error_trap_push ();
827 XSetInputFocus (GDK_DISPLAY (),
828 GDK_WINDOW_XWINDOW (plug->socket_window),
829 RevertToParent, event->time);
831 gdk_error_trap_pop ();
833 gtk_plug_forward_key_press (plug, event);
842 /* Try to focus the first widget in the window */
844 if (gtk_widget_child_focus (bin->child, direction))
852 gtk_plug_check_resize (GtkContainer *container)
854 if (GTK_WIDGET_TOPLEVEL (container))
855 GTK_CONTAINER_CLASS (parent_class)->check_resize (container);
857 GTK_CONTAINER_CLASS (bin_class)->check_resize (container);
861 send_xembed_message (GtkPlug *plug,
868 if (plug->socket_window)
872 xevent.xclient.window = GDK_WINDOW_XWINDOW (plug->socket_window);
873 xevent.xclient.type = ClientMessage;
874 xevent.xclient.message_type = gdk_x11_get_xatom_by_name ("_XEMBED");
875 xevent.xclient.format = 32;
876 xevent.xclient.data.l[0] = time;
877 xevent.xclient.data.l[1] = message;
878 xevent.xclient.data.l[2] = detail;
879 xevent.xclient.data.l[3] = data1;
880 xevent.xclient.data.l[4] = data2;
882 gdk_error_trap_push ();
883 XSendEvent (GDK_DISPLAY (),
884 GDK_WINDOW_XWINDOW (plug->socket_window),
885 False, NoEventMask, &xevent);
887 gdk_error_trap_pop ();
892 focus_first_last (GtkPlug *plug,
893 GtkDirectionType direction)
895 GtkWindow *window = GTK_WINDOW (plug);
898 if (window->focus_widget)
900 parent = window->focus_widget->parent;
903 gtk_container_set_focus_child (GTK_CONTAINER (parent), NULL);
904 parent = GTK_WIDGET (parent)->parent;
907 gtk_window_set_focus (GTK_WINDOW (plug), NULL);
910 gtk_widget_child_focus (GTK_WIDGET (plug), direction);
914 handle_modality_on (GtkPlug *plug)
916 if (!plug->modality_window)
918 plug->modality_window = gtk_window_new (GTK_WINDOW_POPUP);
919 gtk_window_group_add_window (plug->modality_group, GTK_WINDOW (plug->modality_window));
920 gtk_grab_add (plug->modality_window);
925 handle_modality_off (GtkPlug *plug)
927 if (plug->modality_window)
929 gtk_widget_destroy (plug->modality_window);
930 plug->modality_window = NULL;
935 xembed_set_info (GdkWindow *gdk_window,
938 Display *display = GDK_WINDOW_XDISPLAY (gdk_window);
939 Window window = GDK_WINDOW_XWINDOW (gdk_window);
940 unsigned long buffer[2];
942 Atom xembed_info_atom = gdk_x11_get_xatom_by_name ("_XEMBED_INFO");
944 buffer[1] = 0; /* Protocol version */
947 XChangeProperty (display, window,
948 xembed_info_atom, xembed_info_atom, 32,
950 (unsigned char *)buffer, 2);
954 handle_xembed_message (GtkPlug *plug,
961 GTK_NOTE (PLUGSOCKET,
962 g_message ("Message of type %ld received", message));
966 case XEMBED_EMBEDDED_NOTIFY:
968 case XEMBED_WINDOW_ACTIVATE:
970 g_message ("GtkPlug: ACTIVATE received"));
972 case XEMBED_WINDOW_DEACTIVATE:
974 g_message ("GtkPlug: DEACTIVATE received"));
977 case XEMBED_MODALITY_ON:
978 handle_modality_on (plug);
980 case XEMBED_MODALITY_OFF:
981 handle_modality_off (plug);
984 case XEMBED_FOCUS_IN:
987 case XEMBED_FOCUS_FIRST:
988 focus_first_last (plug, GTK_DIR_TAB_FORWARD);
990 case XEMBED_FOCUS_LAST:
991 focus_first_last (plug, GTK_DIR_TAB_BACKWARD);
993 case XEMBED_FOCUS_CURRENT:
997 case XEMBED_FOCUS_OUT:
1001 event.focus_change.type = GDK_FOCUS_CHANGE;
1002 event.focus_change.window = GTK_WIDGET (plug)->window;
1003 event.focus_change.send_event = TRUE;
1004 event.focus_change.in = (message == XEMBED_FOCUS_IN);
1006 gtk_widget_event (GTK_WIDGET (plug), &event);
1011 case XEMBED_REQUEST_FOCUS:
1012 case XEMBED_FOCUS_NEXT:
1013 case XEMBED_FOCUS_PREV:
1014 case XEMBED_GRAB_KEY:
1015 case XEMBED_UNGRAB_KEY:
1016 g_warning ("GtkPlug: Invalid _XEMBED message of type %ld received", message);
1020 GTK_NOTE(PLUGSOCKET,
1021 g_message ("GtkPlug: Ignoring unknown _XEMBED message of type %ld", message));
1026 static GdkFilterReturn
1027 gtk_plug_filter_func (GdkXEvent *gdk_xevent, GdkEvent *event, gpointer data)
1029 GtkPlug *plug = GTK_PLUG (data);
1030 XEvent *xevent = (XEvent *)gdk_xevent;
1032 GdkFilterReturn return_val;
1034 return_val = GDK_FILTER_CONTINUE;
1036 switch (xevent->type)
1039 if (xevent->xclient.message_type == gdk_x11_get_xatom_by_name ("_XEMBED"))
1041 handle_xembed_message (plug,
1042 xevent->xclient.data.l[1],
1043 xevent->xclient.data.l[2],
1044 xevent->xclient.data.l[3],
1045 xevent->xclient.data.l[4],
1046 xevent->xclient.data.l[0]);
1049 return GDK_FILTER_REMOVE;
1051 else if (xevent->xclient.message_type == gdk_x11_get_xatom_by_name ("WM_DELETE_WINDOW"))
1053 /* We filter these out because we take being reparented back to the
1054 * root window as the reliable end of the embedding protocol
1057 return GDK_FILTER_REMOVE;
1060 case ReparentNotify:
1062 XReparentEvent *xre = &xevent->xreparent;
1063 gboolean was_embedded = plug->socket_window != NULL;
1065 return_val = GDK_FILTER_REMOVE;
1067 g_object_ref (plug);
1071 /* End of embedding protocol for previous socket */
1073 /* FIXME: race if we remove from another socket and
1074 * then add to a local window before we get notification
1075 * Probably need check in _gtk_plug_add_to_socket
1078 if (xre->parent != GDK_WINDOW_XWINDOW (plug->socket_window))
1080 GtkWidget *widget = GTK_WIDGET (plug);
1082 gdk_window_set_user_data (plug->socket_window, NULL);
1083 gdk_window_unref (plug->socket_window);
1084 plug->socket_window = NULL;
1086 /* Emit a delete window, as if the user attempted
1087 * to close the toplevel. Simple as to how we
1088 * handle WM_DELETE_WINDOW, if it isn't handled
1089 * we destroy the widget. BUt only do this if
1090 * we are being reparented to the root window.
1091 * Moving from one embedder to another should
1092 * be invisible to the app.
1095 if (xre->parent == GDK_ROOT_WINDOW())
1099 event.any.type = GDK_DELETE;
1100 event.any.window = g_object_ref (widget->window);
1101 event.any.send_event = FALSE;
1103 if (!gtk_widget_event (widget, &event))
1104 gtk_widget_destroy (widget);
1106 g_object_unref (event.any.window);
1113 if (xre->parent != GDK_ROOT_WINDOW ())
1115 /* Start of embedding protocol */
1117 plug->socket_window = gdk_window_lookup (xre->parent);
1118 if (plug->socket_window)
1120 gpointer user_data = NULL;
1121 gdk_window_get_user_data (plug->socket_window, &user_data);
1125 g_warning (G_STRLOC "Plug reparented unexpectedly into window in the same process");
1126 plug->socket_window = NULL;
1130 g_object_ref (plug->socket_window);
1134 plug->socket_window = gdk_window_foreign_new (xre->parent);
1135 if (!plug->socket_window) /* Already gone */
1139 /* FIXME: Add grabbed keys here */
1142 g_signal_emit (G_OBJECT (plug), plug_signals[EMBEDDED], 0);
1145 g_object_unref (plug);
1151 return GDK_FILTER_CONTINUE;