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 3 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, see <http://www.gnu.org/licenses/>.
18 /* By Owen Taylor <otaylor@gtk.org> 98/4/4 */
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 "gtkplugxembed.h"
30 #include <gdk/gdkkeysyms.h>
34 #include "gtk2-funcs.h"
36 static void gtk_plug_xembed_class_init (GtkPlugXEmbedClass *klass);
37 static void gtk_plug_xembed_init (GtkPlugXEmbed *plug);
38 static void gtk_plug_xembed_finalize (GtkObject *object);
39 static void gtk_plug_xembed_realize (GtkWidget *widget);
40 static void gtk_plug_xembed_unrealize (GtkWidget *widget);
41 static void gtk_plug_xembed_show (GtkWidget *widget);
42 static void gtk_plug_xembed_hide (GtkWidget *widget);
43 static void gtk_plug_xembed_map (GtkWidget *widget);
44 static void gtk_plug_xembed_unmap (GtkWidget *widget);
45 static void gtk_plug_xembed_size_allocate (GtkWidget *widget,
46 GtkAllocation *allocation);
47 static void gtk_plug_xembed_size_request (GtkWidget *widget,
48 GtkRequisition *requisition);
49 static gboolean gtk_plug_xembed_key_press_event (GtkWidget *widget,
51 static gboolean gtk_plug_xembed_focus_event (GtkWidget *widget,
52 GdkEventFocus *event);
53 static void gtk_plug_xembed_set_focus (GtkWindow *window,
56 static gboolean gtk_plug_xembed_focus (GtkWidget *widget,
57 GtkDirectionType direction);
59 static void gtk_plug_xembed_check_resize (GtkContainer *container);
61 static void gtk_plug_xembed_keys_changed (GtkWindow *window);
63 static GdkFilterReturn gtk_plug_xembed_filter_func (GdkXEvent *gdk_xevent,
67 static void handle_modality_off (GtkPlugXEmbed *plug);
68 static void send_xembed_message (GtkPlugXEmbed *plug,
74 static void xembed_set_info (GdkWindow *window,
79 #define EMBEDDED_APP_WANTS_FOCUS NotifyNormal+20
81 static GtkWindowClass *parent_class = NULL;
82 static GtkBinClass *bin_class = NULL;
89 static guint plug_signals[LAST_SIGNAL] = { 0 };
92 gtk_plug_xembed_get_type ()
94 static GtkType plug_type = 0;
98 static const GtkTypeInfo plug_info =
101 sizeof (GtkPlugXEmbed),
102 sizeof (GtkPlugXEmbedClass),
103 (GtkClassInitFunc) gtk_plug_xembed_class_init,
104 (GtkObjectInitFunc) gtk_plug_xembed_init,
110 plug_type = gtk_type_unique (GTK_TYPE_WINDOW, &plug_info);
117 gtk_plug_xembed_class_init (GtkPlugXEmbedClass *class)
119 GtkObjectClass *gtk_object_class = (GtkObjectClass *)class;
120 GtkWidgetClass *widget_class = (GtkWidgetClass *)class;
121 GtkWindowClass *window_class = (GtkWindowClass *)class;
122 GtkContainerClass *container_class = (GtkContainerClass *)class;
124 parent_class = gtk_type_class (GTK_TYPE_WINDOW);
125 bin_class = gtk_type_class (GTK_TYPE_BIN);
127 gtk_object_class->finalize = gtk_plug_xembed_finalize;
129 widget_class->realize = gtk_plug_xembed_realize;
130 widget_class->unrealize = gtk_plug_xembed_unrealize;
131 widget_class->key_press_event = gtk_plug_xembed_key_press_event;
132 widget_class->focus_in_event = gtk_plug_xembed_focus_event;
133 widget_class->focus_out_event = gtk_plug_xembed_focus_event;
135 widget_class->show = gtk_plug_xembed_show;
136 widget_class->hide = gtk_plug_xembed_hide;
137 widget_class->map = gtk_plug_xembed_map;
138 widget_class->unmap = gtk_plug_xembed_unmap;
139 widget_class->size_allocate = gtk_plug_xembed_size_allocate;
140 widget_class->size_request = gtk_plug_xembed_size_request;
143 widget_class->focus = gtk_plug_xembed_focus;
146 container_class->check_resize = gtk_plug_xembed_check_resize;
148 window_class->set_focus = gtk_plug_xembed_set_focus;
150 window_class->keys_changed = gtk_plug_xembed_keys_changed;
153 plug_signals[EMBEDDED] =
154 g_signal_new ("embedded",
156 G_OBJECT_CLASS (class)->type,
157 GTK_STRUCT_OFFSET (GtkPlugXEmbedClass, embedded),
158 gtk_marshal_NONE__NONE,
163 gtk_plug_xembed_init (GtkPlugXEmbed *plug)
167 window = GTK_WINDOW (plug);
169 window->type = GTK_WINDOW_TOPLEVEL;
174 gtk_plug_xembed_set_is_child (GtkPlugXEmbed *plug,
177 g_assert (!GTK_WIDGET (plug)->parent);
182 if (plug->modality_window)
183 handle_modality_off (plug);
185 if (plug->modality_group)
187 gtk_window_group_remove_window (plug->modality_group, GTK_WINDOW (plug));
188 g_object_unref (plug->modality_group);
189 plug->modality_group = NULL;
193 /* As a toplevel, the MAPPED flag doesn't correspond
194 * to whether the widget->window is mapped; we unmap
195 * here, but don't bother remapping -- we will get mapped
196 * by gtk_widget_set_parent ().
198 if (GTK_WIDGET_MAPPED (plug))
199 gtk_widget_unmap (GTK_WIDGET (plug));
201 GTK_WIDGET_UNSET_FLAGS (plug, GTK_TOPLEVEL);
202 gtk_container_set_resize_mode (GTK_CONTAINER (plug), GTK_RESIZE_PARENT);
205 _gtk_widget_propagate_hierarchy_changed (GTK_WIDGET (plug), GTK_WIDGET (plug));
210 if (GTK_WINDOW (plug)->focus_widget)
211 gtk_window_set_focus (GTK_WINDOW (plug), NULL);
212 if (GTK_WINDOW (plug)->default_widget)
213 gtk_window_set_default (GTK_WINDOW (plug), NULL);
216 plug->modality_group = gtk_window_group_new ();
217 gtk_window_group_add_window (plug->modality_group, GTK_WINDOW (plug));
220 GTK_WIDGET_SET_FLAGS (plug, GTK_TOPLEVEL);
221 gtk_container_set_resize_mode (GTK_CONTAINER (plug), GTK_RESIZE_QUEUE);
224 _gtk_widget_propagate_hierarchy_changed (GTK_WIDGET (plug), NULL);
231 * _gtk_plug_xembed_add_to_socket:
232 * @plug: a #GtkPlugXEmbed
233 * @socket: a #GtkSocket
235 * Adds a plug to a socket within the same application.
238 _gtk_plug_xembed_add_to_socket (GtkPlugXEmbed *plug,
241 #ifdef PORT_COMPLETE /* Only foreign sockets for now */
245 g_return_if_fail (GTK_IS_PLUG_XEMBED (plug));
246 g_return_if_fail (GTK_IS_SOCKET (socket));
247 g_return_if_fail (GTK_WIDGET_REALIZED (socket));
249 widget = GTK_WIDGET (plug);
251 gtk_plug_xembed_set_is_child (plug, TRUE);
252 plug->same_app = TRUE;
253 socket->same_app = TRUE;
254 socket->plug_widget = widget;
256 plug->socket_window = GTK_WIDGET (socket)->window;
258 if (GTK_WIDGET_REALIZED (widget))
260 gdk_drawable_get_size (GDK_DRAWABLE (widget->window), &w, &h);
261 gdk_window_reparent (widget->window, plug->socket_window, -w, -h);
264 gtk_widget_set_parent (widget, GTK_WIDGET (socket));
266 g_signal_emit_by_name (G_OBJECT (socket), "plug_added", 0);
271 * _gtk_plug_xembed_remove_from_socket:
272 * @plug: a #GtkPlugXEmbed
273 * @socket: a #GtkSocket
275 * Removes a plug from a socket within the same application.
278 _gtk_plug_xembed_remove_from_socket (GtkPlugXEmbed *plug,
281 #ifdef PORT_COMPLETE /* Only foreign sockets for now */
285 gboolean widget_was_visible;
287 g_return_if_fail (GTK_IS_PLUG_XEMBED (plug));
288 g_return_if_fail (GTK_IS_SOCKET (socket));
289 g_return_if_fail (GTK_WIDGET_REALIZED (plug));
291 widget = GTK_WIDGET (plug);
294 g_object_ref (socket);
296 widget_was_visible = GTK_WIDGET_VISIBLE (plug);
298 gdk_window_hide (widget->window);
299 gdk_window_reparent (widget->window, GDK_ROOT_PARENT (), 0, 0);
301 GTK_PRIVATE_SET_FLAG (plug, GTK_IN_REPARENT);
302 gtk_widget_unparent (GTK_WIDGET (plug));
303 GTK_PRIVATE_UNSET_FLAG (plug, GTK_IN_REPARENT);
305 socket->plug_widget = NULL;
306 gdk_window_unref (socket->plug_window);
307 socket->plug_window = NULL;
309 socket->same_app = FALSE;
311 plug->same_app = FALSE;
312 plug->socket_window = NULL;
314 gtk_plug_xembed_set_is_child (plug, FALSE);
316 g_signal_emit_by_name (G_OBJECT (socket), "plug_removed", &result);
318 gtk_widget_destroy (GTK_WIDGET (socket));
320 event.any.type = GDK_DELETE;
321 event.any.window = gdk_window_ref (widget->window);
322 event.any.send_event = FALSE;
324 if (!gtk_widget_event (widget, &event))
325 gtk_widget_destroy (widget);
327 gdk_window_unref (event.any.window);
328 g_object_unref (plug);
330 if (widget_was_visible && GTK_WIDGET_VISIBLE (socket))
331 gtk_widget_queue_resize (GTK_WIDGET (socket));
333 g_object_unref (socket);
338 gtk_plug_xembed_construct (GtkPlugXEmbed *plug,
339 GtkPlugXEmbedNativeWindow socket_id)
343 #ifdef PORT_COMPLETE /* Only foreign windows for now */
344 gpointer user_data = NULL;
346 plug->socket_window = gdk_window_lookup (socket_id);
348 if (plug->socket_window)
349 gdk_window_get_user_data (plug->socket_window, &user_data);
351 plug->socket_window = gdk_window_foreign_new (socket_id);
355 if (GTK_IS_SOCKET (user_data))
356 _gtk_plug_xembed_add_to_socket (plug, user_data);
359 g_warning (/*G_STRLOC*/ "Can't create GtkPlugXEmbed as child of non-GtkSocket");
360 plug->socket_window = NULL;
364 if (plug->socket_window)
365 g_signal_emit (G_OBJECT (plug), plug_signals[EMBEDDED], 0);
367 plug->socket_window = gdk_window_foreign_new (socket_id);
374 gtk_plug_xembed_new (GtkPlugXEmbedNativeWindow socket_id)
378 plug = GTK_PLUG_XEMBED (gtk_type_new (GTK_TYPE_PLUG_XEMBED));
379 gtk_plug_xembed_construct (plug, socket_id);
380 return GTK_WIDGET (plug);
384 * gtk_plug_xembed_get_id:
385 * @plug: a #GtkPlugXEmbed.
387 * Gets the window ID of a #GtkPlugXEmbed widget, which can then
388 * be used to embed this window inside another window, for
389 * instance with gtk_socket_add_id().
391 * Return value: the window ID for the plug
393 GtkPlugXEmbedNativeWindow
394 gtk_plug_xembed_get_id (GtkPlugXEmbed *plug)
396 g_return_val_if_fail (GTK_IS_PLUG_XEMBED (plug), 0);
398 if (!GTK_WIDGET_REALIZED (plug))
399 gtk_widget_realize (GTK_WIDGET (plug));
401 return GDK_WINDOW_XWINDOW (GTK_WIDGET (plug)->window);
405 gtk_plug_xembed_finalize (GtkObject *object)
407 GtkPlugXEmbed *plug = GTK_PLUG_XEMBED (object);
409 if (plug->grabbed_keys)
411 g_hash_table_destroy (plug->grabbed_keys);
412 plug->grabbed_keys = NULL;
415 G_OBJECT_CLASS (parent_class)->finalize (object);
419 gtk_plug_xembed_unrealize (GtkWidget *widget)
423 g_return_if_fail (GTK_IS_PLUG_XEMBED (widget));
425 plug = GTK_PLUG_XEMBED (widget);
427 if (plug->socket_window != NULL)
429 gdk_window_set_user_data (plug->socket_window, NULL);
430 gdk_window_unref (plug->socket_window);
431 plug->socket_window = NULL;
437 if (plug->modality_window)
438 handle_modality_off (plug);
440 gtk_window_group_remove_window (plug->modality_group, GTK_WINDOW (plug));
441 g_object_unref (plug->modality_group);
445 if (GTK_WIDGET_CLASS (parent_class)->unrealize)
446 (* GTK_WIDGET_CLASS (parent_class)->unrealize) (widget);
450 gtk_plug_xembed_realize (GtkWidget *widget)
454 GdkWindowAttr attributes;
455 gint attributes_mask;
457 g_return_if_fail (GTK_IS_PLUG_XEMBED (widget));
459 GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
460 window = GTK_WINDOW (widget);
461 plug = GTK_PLUG_XEMBED (widget);
463 attributes.window_type = GDK_WINDOW_CHILD; /* XXX GDK_WINDOW_PLUG ? */
464 attributes.title = window->title;
465 attributes.wmclass_name = window->wmclass_name;
466 attributes.wmclass_class = window->wmclass_class;
467 attributes.width = widget->allocation.width;
468 attributes.height = widget->allocation.height;
469 attributes.wclass = GDK_INPUT_OUTPUT;
471 /* this isn't right - we should match our parent's visual/colormap.
472 * though that will require handling "foreign" colormaps */
473 attributes.visual = gtk_widget_get_visual (widget);
474 attributes.colormap = gtk_widget_get_colormap (widget);
475 attributes.event_mask = gtk_widget_get_events (widget);
476 attributes.event_mask |= (GDK_EXPOSURE_MASK |
478 GDK_KEY_RELEASE_MASK |
479 GDK_ENTER_NOTIFY_MASK |
480 GDK_LEAVE_NOTIFY_MASK |
481 GDK_FOCUS_CHANGE_MASK |
484 attributes_mask = GDK_WA_VISUAL | GDK_WA_COLORMAP;
485 attributes_mask |= (window->title ? GDK_WA_TITLE : 0);
486 attributes_mask |= (window->wmclass_name ? GDK_WA_WMCLASS : 0);
488 if (GTK_WIDGET_TOPLEVEL (widget))
490 attributes.window_type = GDK_WINDOW_TOPLEVEL;
492 gdk_error_trap_push ();
493 widget->window = gdk_window_new (plug->socket_window,
494 &attributes, attributes_mask);
496 if (gdk_error_trap_pop ()) /* Uh-oh */
498 gdk_error_trap_push ();
499 gdk_window_destroy (widget->window);
501 gdk_error_trap_pop ();
502 widget->window = gdk_window_new (NULL, &attributes, attributes_mask);
505 gdk_window_add_filter (widget->window, gtk_plug_xembed_filter_func, widget);
508 plug->modality_group = gtk_window_group_new ();
509 gtk_window_group_add_window (plug->modality_group, window);
512 xembed_set_info (widget->window, 0);
515 widget->window = gdk_window_new (gtk_widget_get_parent_window (widget), &attributes, attributes_mask);
517 gdk_window_set_user_data (widget->window, window);
519 widget->style = gtk_style_attach (widget->style, widget->window);
520 gtk_style_set_background (widget->style, widget->window, GTK_STATE_NORMAL);
524 gtk_plug_xembed_show (GtkWidget *widget)
526 if (GTK_WIDGET_TOPLEVEL (widget))
527 GTK_WIDGET_CLASS (parent_class)->show (widget);
529 GTK_WIDGET_CLASS (bin_class)->show (widget);
533 gtk_plug_xembed_hide (GtkWidget *widget)
535 if (GTK_WIDGET_TOPLEVEL (widget))
536 GTK_WIDGET_CLASS (parent_class)->hide (widget);
538 GTK_WIDGET_CLASS (bin_class)->hide (widget);
542 gtk_plug_xembed_map (GtkWidget *widget)
544 if (GTK_WIDGET_TOPLEVEL (widget)) {
545 GtkBin *bin = GTK_BIN (widget);
547 GTK_WIDGET_SET_FLAGS (widget, GTK_MAPPED);
550 GTK_WIDGET_VISIBLE (bin->child) &&
551 !GTK_WIDGET_MAPPED (bin->child))
552 gtk_widget_map (bin->child);
553 xembed_set_info (widget->window, XEMBED_MAPPED);
554 if (!GTK_WIDGET_NO_WINDOW (widget))
555 gdk_window_show (widget->window);
558 gdk_synthesize_window_state (widget->window,
559 GDK_WINDOW_STATE_WITHDRAWN,
563 GTK_WIDGET_CLASS (bin_class)->map (widget);
568 gtk_plug_xembed_unmap (GtkWidget *widget)
570 if (GTK_WIDGET_TOPLEVEL (widget))
572 GTK_WIDGET_UNSET_FLAGS (widget, GTK_MAPPED);
574 gdk_window_hide (widget->window);
575 xembed_set_info (widget->window, 0);
578 gdk_synthesize_window_state (widget->window,
580 GDK_WINDOW_STATE_WITHDRAWN);
584 GTK_WIDGET_CLASS (bin_class)->unmap (widget);
588 gtk_plug_xembed_size_request (GtkWidget *widget,
589 GtkRequisition *requisition)
591 requisition->width = 22;
592 requisition->height = 22;
596 gtk_plug_xembed_size_allocate (GtkWidget *widget,
597 GtkAllocation *allocation)
599 if (GTK_WIDGET_TOPLEVEL (widget))
600 GTK_WIDGET_CLASS (parent_class)->size_allocate (widget, allocation);
603 GtkBin *bin = GTK_BIN (widget);
605 widget->allocation = *allocation;
607 if (GTK_WIDGET_REALIZED (widget))
608 gdk_window_move_resize (widget->window,
609 allocation->x, allocation->y,
610 allocation->width, allocation->height);
612 if (bin->child && GTK_WIDGET_VISIBLE (bin->child))
614 GtkAllocation child_allocation;
616 child_allocation.x = child_allocation.y = GTK_CONTAINER (widget)->border_width;
617 child_allocation.width =
618 MAX (1, (gint)allocation->width - child_allocation.x * 2);
619 child_allocation.height =
620 MAX (1, (gint)allocation->height - child_allocation.y * 2);
622 gtk_widget_size_allocate (bin->child, &child_allocation);
629 gtk_plug_xembed_key_press_event (GtkWidget *widget,
632 if (GTK_WIDGET_TOPLEVEL (widget))
633 return GTK_WIDGET_CLASS (parent_class)->key_press_event (widget, event);
639 gtk_plug_xembed_focus_event (GtkWidget *widget,
640 GdkEventFocus *event)
642 /* We eat focus-in events and focus-out events, since they
643 * can be generated by something like a keyboard grab on
644 * a child of the plug.
650 gtk_plug_xembed_set_focus (GtkWindow *window,
653 GtkPlugXEmbed *plug = GTK_PLUG_XEMBED (window);
655 GTK_WINDOW_CLASS (parent_class)->set_focus (window, focus);
657 /* Ask for focus from embedder
660 if (focus && !window->window_has_focus)
662 send_xembed_message (plug, XEMBED_REQUEST_FOCUS, 0, 0, 0,
663 gtk2_get_current_event_time ());
670 guint accelerator_key;
671 GdkModifierType accelerator_mods;
675 grabbed_key_hash (gconstpointer a)
677 const GrabbedKey *key = a;
680 h = key->accelerator_key << 16;
681 h ^= key->accelerator_key >> 16;
682 h ^= key->accelerator_mods;
688 grabbed_key_equal (gconstpointer a, gconstpointer b)
690 const GrabbedKey *keya = a;
691 const GrabbedKey *keyb = b;
693 return (keya->accelerator_key == keyb->accelerator_key &&
694 keya->accelerator_mods == keyb->accelerator_mods);
698 add_grabbed_key (gpointer key, gpointer val, gpointer data)
700 GrabbedKey *grabbed_key = key;
701 GtkPlugXEmbed *plug = data;
703 if (!plug->grabbed_keys ||
704 !g_hash_table_lookup (plug->grabbed_keys, grabbed_key))
706 send_xembed_message (plug, XEMBED_GTK_GRAB_KEY, 0,
707 grabbed_key->accelerator_key, grabbed_key->accelerator_mods,
708 gtk_get_current_event_time ());
713 add_grabbed_key_always (gpointer key, gpointer val, gpointer data)
715 GrabbedKey *grabbed_key = key;
716 GtkPlugXEmbed *plug = data;
718 send_xembed_message (plug, XEMBED_GTK_GRAB_KEY, 0,
719 grabbed_key->accelerator_key, grabbed_key->accelerator_mods,
720 gtk_get_current_event_time ());
724 remove_grabbed_key (gpointer key, gpointer val, gpointer data)
726 GrabbedKey *grabbed_key = key;
727 GtkPlugXEmbed *plug = data;
729 if (!plug->grabbed_keys ||
730 !g_hash_table_lookup (plug->grabbed_keys, grabbed_key))
732 send_xembed_message (plug, XEMBED_GTK_UNGRAB_KEY, 0,
733 grabbed_key->accelerator_key, grabbed_key->accelerator_mods,
734 gtk_get_current_event_time ());
739 keys_foreach (GtkWindow *window,
741 GdkModifierType modifiers,
742 gboolean is_mnemonic,
745 GHashTable *new_grabbed_keys = data;
746 GrabbedKey *key = g_new (GrabbedKey, 1);
748 key->accelerator_key = keyval;
749 key->accelerator_mods = modifiers;
751 g_hash_table_replace (new_grabbed_keys, key, key);
756 gtk_plug_xembed_keys_changed (GtkWindow *window)
758 GHashTable *new_grabbed_keys, *old_grabbed_keys;
759 GtkPlugXEmbed *plug = GTK_PLUG_XEMBED (window);
761 new_grabbed_keys = g_hash_table_new_full (grabbed_key_hash, grabbed_key_equal, (GDestroyNotify)g_free, NULL);
762 _gtk_window_keys_foreach (window, keys_foreach, new_grabbed_keys);
764 if (plug->socket_window)
765 g_hash_table_foreach (new_grabbed_keys, add_grabbed_key, plug);
767 old_grabbed_keys = plug->grabbed_keys;
768 plug->grabbed_keys = new_grabbed_keys;
770 if (old_grabbed_keys)
772 if (plug->socket_window)
773 g_hash_table_foreach (old_grabbed_keys, remove_grabbed_key, plug);
774 g_hash_table_destroy (old_grabbed_keys);
782 gtk_plug_xembed_focus (GtkWidget *widget,
783 GtkDirectionType direction)
785 GtkBin *bin = GTK_BIN (widget);
786 GtkPlugXEmbed *plug = GTK_PLUG_XEMBED (widget);
787 GtkWindow *window = GTK_WINDOW (widget);
788 GtkContainer *container = GTK_CONTAINER (widget);
789 GtkWidget *old_focus_child = container->focus_child;
792 /* We override GtkWindow's behavior, since we don't want wrapping here.
796 if (gtk_widget_child_focus (old_focus_child, direction))
799 if (window->focus_widget)
801 /* Wrapped off the end, clear the focus setting for the toplevel */
802 parent = window->focus_widget->parent;
805 gtk_container_set_focus_child (GTK_CONTAINER (parent), NULL);
806 parent = GTK_WIDGET (parent)->parent;
809 gtk_window_set_focus (GTK_WINDOW (container), NULL);
811 if (!GTK_CONTAINER (window)->focus_child)
819 case GTK_DIR_TAB_BACKWARD:
820 message = XEMBED_FOCUS_PREV;
824 case GTK_DIR_TAB_FORWARD:
825 message = XEMBED_FOCUS_NEXT;
829 send_xembed_message (plug, message, 0, 0, 0,
830 gtk_get_current_event_time ());
838 /* Try to focus the first widget in the window */
840 if (bin->child && gtk_widget_child_focus (bin->child, direction))
849 gtk_plug_xembed_check_resize (GtkContainer *container)
851 if (GTK_WIDGET_TOPLEVEL (container))
852 GTK_CONTAINER_CLASS (parent_class)->check_resize (container);
854 GTK_CONTAINER_CLASS (bin_class)->check_resize (container);
858 send_xembed_message (GtkPlugXEmbed *plug,
865 if (plug->socket_window)
870 g_message ("GtkPlugXEmbed: Sending XEMBED message of type %ld", message));
872 xevent.xclient.window = GDK_WINDOW_XWINDOW (plug->socket_window);
873 xevent.xclient.type = ClientMessage;
874 xevent.xclient.message_type = (Atom)gdk_atom_intern ("_XEMBED", FALSE);
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 (GtkPlugXEmbed *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);
911 gtk_widget_child_focus (GTK_WIDGET (plug), direction);
916 handle_modality_on (GtkPlugXEmbed *plug)
919 if (!plug->modality_window)
921 plug->modality_window = gtk_window_new (GTK_WINDOW_POPUP);
922 gtk_widget_realize (plug->modality_window);
923 gtk_window_group_add_window (plug->modality_group, GTK_WINDOW (plug->modality_window));
924 gtk_grab_add (plug->modality_window);
927 /* g_print("Modality On for plug %p\n", plug); */
932 handle_modality_off (GtkPlugXEmbed *plug)
935 if (plug->modality_window)
937 gtk_widget_destroy (plug->modality_window);
938 plug->modality_window = NULL;
941 /* g_print("Modality Off for plug %p\n", plug); */
946 xembed_set_info (GdkWindow *gdk_window,
949 Display *display = GDK_WINDOW_XDISPLAY (gdk_window);
950 Window window = GDK_WINDOW_XWINDOW (gdk_window);
951 unsigned long buffer[2];
953 Atom xembed_info_atom = (Atom)gdk_atom_intern ("_XEMBED_INFO", FALSE);
955 buffer[1] = 0; /* Protocol version */
958 XChangeProperty (display, window,
959 xembed_info_atom, xembed_info_atom, 32,
961 (unsigned char *)buffer, 2);
965 handle_xembed_message (GtkPlugXEmbed *plug,
972 GTK_NOTE (PLUGSOCKET,
973 g_message ("GtkPlugXEmbed: Message of type %ld received\n", message));
977 case XEMBED_EMBEDDED_NOTIFY:
979 case XEMBED_WINDOW_ACTIVATE:
981 g_message ("GtkPlugXEmbed: ACTIVATE received"));
983 case XEMBED_WINDOW_DEACTIVATE:
985 g_message ("GtkPlugXEmbed: DEACTIVATE received"));
988 case XEMBED_MODALITY_ON:
989 handle_modality_on (plug);
991 case XEMBED_MODALITY_OFF:
992 handle_modality_off (plug);
995 case XEMBED_FOCUS_IN:
998 case XEMBED_FOCUS_FIRST:
999 focus_first_last (plug, GTK_DIR_TAB_FORWARD);
1001 case XEMBED_FOCUS_LAST:
1002 focus_first_last (plug, GTK_DIR_TAB_BACKWARD);
1004 case XEMBED_FOCUS_CURRENT:
1008 case XEMBED_FOCUS_OUT:
1010 GtkWidget *widget = GTK_WIDGET (plug);
1013 event.focus_change.type = GDK_FOCUS_CHANGE;
1014 event.focus_change.window = widget->window;
1015 event.focus_change.send_event = TRUE;
1017 if (message == XEMBED_FOCUS_IN)
1019 event.focus_change.in = TRUE;
1020 GTK_WIDGET_CLASS (parent_class)->focus_in_event (widget, (GdkEventFocus *)&event);
1024 event.focus_change.in = FALSE;
1025 GTK_WIDGET_CLASS (parent_class)->focus_out_event (widget, (GdkEventFocus *)&event);
1031 case XEMBED_GRAB_KEY:
1032 case XEMBED_UNGRAB_KEY:
1033 case XEMBED_GTK_GRAB_KEY:
1034 case XEMBED_GTK_UNGRAB_KEY:
1035 case XEMBED_REQUEST_FOCUS:
1036 case XEMBED_FOCUS_NEXT:
1037 case XEMBED_FOCUS_PREV:
1038 g_warning ("GtkPlugXEmbed: Invalid _XEMBED message of type %ld received", message);
1042 GTK_NOTE(PLUGSOCKET,
1043 g_message ("GtkPlugXEmbed: Ignoring unknown _XEMBED message of type %ld", message));
1048 static GdkFilterReturn
1049 gtk_plug_xembed_filter_func (GdkXEvent *gdk_xevent, GdkEvent *event, gpointer data)
1051 GtkPlugXEmbed *plug = GTK_PLUG_XEMBED (data);
1052 XEvent *xevent = (XEvent *)gdk_xevent;
1054 GdkFilterReturn return_val;
1056 return_val = GDK_FILTER_CONTINUE;
1058 switch (xevent->type)
1061 if (xevent->xclient.message_type == (Atom)gdk_atom_intern ("_XEMBED", FALSE))
1063 handle_xembed_message (plug,
1064 xevent->xclient.data.l[1],
1065 xevent->xclient.data.l[2],
1066 xevent->xclient.data.l[3],
1067 xevent->xclient.data.l[4],
1068 xevent->xclient.data.l[0]);
1071 return GDK_FILTER_REMOVE;
1073 else if (xevent->xclient.message_type == (Atom)gdk_atom_intern ("WM_DELETE_WINDOW", FALSE))
1075 /* We filter these out because we take being reparented back to the
1076 * root window as the reliable end of the embedding protocol
1079 return GDK_FILTER_REMOVE;
1082 case ReparentNotify:
1084 XReparentEvent *xre = &xevent->xreparent;
1085 gboolean was_embedded = plug->socket_window != NULL;
1087 return_val = GDK_FILTER_REMOVE;
1089 g_object_ref (G_OBJECT(plug));
1093 /* End of embedding protocol for previous socket */
1095 /* FIXME: race if we remove from another socket and
1096 * then add to a local window before we get notification
1097 * Probably need check in _gtk_plug_xembed_add_to_socket
1100 if (xre->parent != GDK_WINDOW_XWINDOW (plug->socket_window))
1102 GtkWidget *widget = GTK_WIDGET (plug);
1104 gdk_window_set_user_data (plug->socket_window, NULL);
1105 gdk_window_unref (plug->socket_window);
1106 plug->socket_window = NULL;
1108 /* Emit a delete window, as if the user attempted
1109 * to close the toplevel. Simple as to how we
1110 * handle WM_DELETE_WINDOW, if it isn't handled
1111 * we destroy the widget. BUt only do this if
1112 * we are being reparented to the root window.
1113 * Moving from one embedder to another should
1114 * be invisible to the app.
1117 if (xre->parent == GDK_ROOT_WINDOW())
1121 event.any.type = GDK_DELETE;
1122 event.any.window = gdk_window_ref (widget->window);
1123 event.any.send_event = FALSE;
1125 if (!gtk_widget_event (widget, &event))
1126 gtk_widget_destroy (widget);
1128 gdk_window_unref (event.any.window);
1135 if (xre->parent != GDK_ROOT_WINDOW ())
1137 /* Start of embedding protocol */
1139 plug->socket_window = gdk_window_lookup (xre->parent);
1140 if (plug->socket_window)
1142 gpointer user_data = NULL;
1143 gdk_window_get_user_data (plug->socket_window, &user_data);
1147 g_warning (/*G_STRLOC*/ "Plug reparented unexpectedly into window in the same process");
1148 plug->socket_window = NULL;
1152 gdk_window_ref (plug->socket_window);
1156 plug->socket_window = gdk_window_foreign_new (xre->parent);
1157 if (!plug->socket_window) /* Already gone */
1161 #ifdef PORT_COMPLETE
1162 if (plug->grabbed_keys)
1163 g_hash_table_foreach (plug->grabbed_keys, add_grabbed_key_always, plug);
1167 g_signal_emit (G_OBJECT (plug), plug_signals[EMBEDDED], 0);
1171 g_object_unref (G_OBJECT(plug));
1177 return GDK_FILTER_CONTINUE;