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 "gtkplugxembed.h"
30 #include <gtk/gtkprivate.h>
32 #include <gdk/gdkkeysyms.h>
36 #include "gtk2-funcs.h"
38 static void gtk_plug_xembed_class_init (GtkPlugXEmbedClass *klass);
39 static void gtk_plug_xembed_init (GtkPlugXEmbed *plug);
40 static void gtk_plug_xembed_finalize (GtkObject *object);
41 static void gtk_plug_xembed_realize (GtkWidget *widget);
42 static void gtk_plug_xembed_unrealize (GtkWidget *widget);
43 static void gtk_plug_xembed_show (GtkWidget *widget);
44 static void gtk_plug_xembed_hide (GtkWidget *widget);
45 static void gtk_plug_xembed_map (GtkWidget *widget);
46 static void gtk_plug_xembed_unmap (GtkWidget *widget);
47 static void gtk_plug_xembed_size_allocate (GtkWidget *widget,
48 GtkAllocation *allocation);
49 static void gtk_plug_xembed_size_request (GtkWidget *widget,
50 GtkRequisition *requisition);
51 static gboolean gtk_plug_xembed_key_press_event (GtkWidget *widget,
53 static gboolean gtk_plug_xembed_focus_event (GtkWidget *widget,
54 GdkEventFocus *event);
55 static void gtk_plug_xembed_set_focus (GtkWindow *window,
58 static gboolean gtk_plug_xembed_focus (GtkWidget *widget,
59 GtkDirectionType direction);
61 static void gtk_plug_xembed_check_resize (GtkContainer *container);
63 static void gtk_plug_xembed_keys_changed (GtkWindow *window);
65 static GdkFilterReturn gtk_plug_xembed_filter_func (GdkXEvent *gdk_xevent,
69 static void handle_modality_off (GtkPlugXEmbed *plug);
70 static void send_xembed_message (GtkPlugXEmbed *plug,
76 static void xembed_set_info (GdkWindow *window,
81 #define EMBEDDED_APP_WANTS_FOCUS NotifyNormal+20
83 static GtkWindowClass *parent_class = NULL;
84 static GtkBinClass *bin_class = NULL;
91 static guint plug_signals[LAST_SIGNAL] = { 0 };
94 gtk_plug_xembed_get_type ()
96 static GtkType plug_type = 0;
100 static const GtkTypeInfo plug_info =
103 sizeof (GtkPlugXEmbed),
104 sizeof (GtkPlugXEmbedClass),
105 (GtkClassInitFunc) gtk_plug_xembed_class_init,
106 (GtkObjectInitFunc) gtk_plug_xembed_init,
112 plug_type = gtk_type_unique (GTK_TYPE_WINDOW, &plug_info);
119 gtk_plug_xembed_class_init (GtkPlugXEmbedClass *class)
121 GtkObjectClass *gtk_object_class = (GtkObjectClass *)class;
122 GtkWidgetClass *widget_class = (GtkWidgetClass *)class;
123 GtkWindowClass *window_class = (GtkWindowClass *)class;
124 GtkContainerClass *container_class = (GtkContainerClass *)class;
126 parent_class = gtk_type_class (GTK_TYPE_WINDOW);
127 bin_class = gtk_type_class (GTK_TYPE_BIN);
129 gtk_object_class->finalize = gtk_plug_xembed_finalize;
131 widget_class->realize = gtk_plug_xembed_realize;
132 widget_class->unrealize = gtk_plug_xembed_unrealize;
133 widget_class->key_press_event = gtk_plug_xembed_key_press_event;
134 widget_class->focus_in_event = gtk_plug_xembed_focus_event;
135 widget_class->focus_out_event = gtk_plug_xembed_focus_event;
137 widget_class->show = gtk_plug_xembed_show;
138 widget_class->hide = gtk_plug_xembed_hide;
139 widget_class->map = gtk_plug_xembed_map;
140 widget_class->unmap = gtk_plug_xembed_unmap;
141 widget_class->size_allocate = gtk_plug_xembed_size_allocate;
142 widget_class->size_request = gtk_plug_xembed_size_request;
145 widget_class->focus = gtk_plug_xembed_focus;
148 container_class->check_resize = gtk_plug_xembed_check_resize;
150 window_class->set_focus = gtk_plug_xembed_set_focus;
152 window_class->keys_changed = gtk_plug_xembed_keys_changed;
155 plug_signals[EMBEDDED] =
156 gtk_signal_new ("embedded",
158 GTK_OBJECT_CLASS (class)->type,
159 GTK_STRUCT_OFFSET (GtkPlugXEmbedClass, embedded),
160 gtk_marshal_NONE__NONE,
165 gtk_plug_xembed_init (GtkPlugXEmbed *plug)
169 window = GTK_WINDOW (plug);
171 window->type = GTK_WINDOW_TOPLEVEL;
176 gtk_plug_xembed_set_is_child (GtkPlugXEmbed *plug,
179 g_assert (!GTK_WIDGET (plug)->parent);
184 if (plug->modality_window)
185 handle_modality_off (plug);
187 if (plug->modality_group)
189 gtk_window_group_remove_window (plug->modality_group, GTK_WINDOW (plug));
190 gtk_object_unref (plug->modality_group);
191 plug->modality_group = NULL;
195 /* As a toplevel, the MAPPED flag doesn't correspond
196 * to whether the widget->window is mapped; we unmap
197 * here, but don't bother remapping -- we will get mapped
198 * by gtk_widget_set_parent ().
200 if (GTK_WIDGET_MAPPED (plug))
201 gtk_widget_unmap (GTK_WIDGET (plug));
203 GTK_WIDGET_UNSET_FLAGS (plug, GTK_TOPLEVEL);
204 gtk_container_set_resize_mode (GTK_CONTAINER (plug), GTK_RESIZE_PARENT);
207 _gtk_widget_propagate_hierarchy_changed (GTK_WIDGET (plug), GTK_WIDGET (plug));
212 if (GTK_WINDOW (plug)->focus_widget)
213 gtk_window_set_focus (GTK_WINDOW (plug), NULL);
214 if (GTK_WINDOW (plug)->default_widget)
215 gtk_window_set_default (GTK_WINDOW (plug), NULL);
218 plug->modality_group = gtk_window_group_new ();
219 gtk_window_group_add_window (plug->modality_group, GTK_WINDOW (plug));
222 GTK_WIDGET_SET_FLAGS (plug, GTK_TOPLEVEL);
223 gtk_container_set_resize_mode (GTK_CONTAINER (plug), GTK_RESIZE_QUEUE);
226 _gtk_widget_propagate_hierarchy_changed (GTK_WIDGET (plug), NULL);
233 * _gtk_plug_xembed_add_to_socket:
234 * @plug: a #GtkPlugXEmbed
235 * @socket: a #GtkSocket
237 * Adds a plug to a socket within the same application.
240 _gtk_plug_xembed_add_to_socket (GtkPlugXEmbed *plug,
243 #ifdef PORT_COMPLETE /* Only foreign sockets for now */
247 g_return_if_fail (GTK_IS_PLUG_XEMBED (plug));
248 g_return_if_fail (GTK_IS_SOCKET (socket));
249 g_return_if_fail (GTK_WIDGET_REALIZED (socket));
251 widget = GTK_WIDGET (plug);
253 gtk_plug_xembed_set_is_child (plug, TRUE);
254 plug->same_app = TRUE;
255 socket->same_app = TRUE;
256 socket->plug_widget = widget;
258 plug->socket_window = GTK_WIDGET (socket)->window;
260 if (GTK_WIDGET_REALIZED (widget))
262 gdk_drawable_get_size (GDK_DRAWABLE (widget->window), &w, &h);
263 gdk_window_reparent (widget->window, plug->socket_window, -w, -h);
266 gtk_widget_set_parent (widget, GTK_WIDGET (socket));
268 g_signal_emit_by_name (G_OBJECT (socket), "plug_added", 0);
273 * _gtk_plug_xembed_remove_from_socket:
274 * @plug: a #GtkPlugXEmbed
275 * @socket: a #GtkSocket
277 * Removes a plug from a socket within the same application.
280 _gtk_plug_xembed_remove_from_socket (GtkPlugXEmbed *plug,
283 #ifdef PORT_COMPLETE /* Only foreign sockets for now */
287 gboolean widget_was_visible;
289 g_return_if_fail (GTK_IS_PLUG_XEMBED (plug));
290 g_return_if_fail (GTK_IS_SOCKET (socket));
291 g_return_if_fail (GTK_WIDGET_REALIZED (plug));
293 widget = GTK_WIDGET (plug);
295 gtk_object_ref (plug);
296 gtk_object_ref (socket);
298 widget_was_visible = GTK_WIDGET_VISIBLE (plug);
300 gdk_window_hide (widget->window);
301 gdk_window_reparent (widget->window, GDK_ROOT_PARENT (), 0, 0);
303 GTK_PRIVATE_SET_FLAG (plug, GTK_IN_REPARENT);
304 gtk_widget_unparent (GTK_WIDGET (plug));
305 GTK_PRIVATE_UNSET_FLAG (plug, GTK_IN_REPARENT);
307 socket->plug_widget = NULL;
308 gdk_window_unref (socket->plug_window);
309 socket->plug_window = NULL;
311 socket->same_app = FALSE;
313 plug->same_app = FALSE;
314 plug->socket_window = NULL;
316 gtk_plug_xembed_set_is_child (plug, FALSE);
318 g_signal_emit_by_name (G_OBJECT (socket), "plug_removed", &result);
320 gtk_widget_destroy (GTK_WIDGET (socket));
322 event.any.type = GDK_DELETE;
323 event.any.window = gdk_window_ref (widget->window);
324 event.any.send_event = FALSE;
326 if (!gtk_widget_event (widget, &event))
327 gtk_widget_destroy (widget);
329 gdk_window_unref (event.any.window);
330 gtk_object_unref (plug);
332 if (widget_was_visible && GTK_WIDGET_VISIBLE (socket))
333 gtk_widget_queue_resize (GTK_WIDGET (socket));
335 gtk_object_unref (socket);
340 gtk_plug_xembed_construct (GtkPlugXEmbed *plug,
341 GtkPlugXEmbedNativeWindow socket_id)
345 #ifdef PORT_COMPLETE /* Only foreign windows for now */
346 gpointer user_data = NULL;
348 plug->socket_window = gdk_window_lookup (socket_id);
350 if (plug->socket_window)
351 gdk_window_get_user_data (plug->socket_window, &user_data);
353 plug->socket_window = gdk_window_foreign_new (socket_id);
357 if (GTK_IS_SOCKET (user_data))
358 _gtk_plug_xembed_add_to_socket (plug, user_data);
361 g_warning (/*G_STRLOC*/ "Can't create GtkPlugXEmbed as child of non-GtkSocket");
362 plug->socket_window = NULL;
366 if (plug->socket_window)
367 g_signal_emit (G_OBJECT (plug), plug_signals[EMBEDDED], 0);
369 plug->socket_window = gdk_window_foreign_new (socket_id);
376 gtk_plug_xembed_new (GtkPlugXEmbedNativeWindow socket_id)
380 plug = GTK_PLUG_XEMBED (gtk_type_new (GTK_TYPE_PLUG_XEMBED));
381 gtk_plug_xembed_construct (plug, socket_id);
382 return GTK_WIDGET (plug);
386 * gtk_plug_xembed_get_id:
387 * @plug: a #GtkPlugXEmbed.
389 * Gets the window ID of a #GtkPlugXEmbed widget, which can then
390 * be used to embed this window inside another window, for
391 * instance with gtk_socket_add_id().
393 * Return value: the window ID for the plug
395 GtkPlugXEmbedNativeWindow
396 gtk_plug_xembed_get_id (GtkPlugXEmbed *plug)
398 g_return_val_if_fail (GTK_IS_PLUG_XEMBED (plug), 0);
400 if (!GTK_WIDGET_REALIZED (plug))
401 gtk_widget_realize (GTK_WIDGET (plug));
403 return GDK_WINDOW_XWINDOW (GTK_WIDGET (plug)->window);
407 gtk_plug_xembed_finalize (GtkObject *object)
409 GtkPlugXEmbed *plug = GTK_PLUG_XEMBED (object);
411 if (plug->grabbed_keys)
413 g_hash_table_destroy (plug->grabbed_keys);
414 plug->grabbed_keys = NULL;
417 GTK_OBJECT_CLASS (parent_class)->finalize (object);
421 gtk_plug_xembed_unrealize (GtkWidget *widget)
425 g_return_if_fail (GTK_IS_PLUG_XEMBED (widget));
427 plug = GTK_PLUG_XEMBED (widget);
429 if (plug->socket_window != NULL)
431 gdk_window_set_user_data (plug->socket_window, NULL);
432 gdk_window_unref (plug->socket_window);
433 plug->socket_window = NULL;
439 if (plug->modality_window)
440 handle_modality_off (plug);
442 gtk_window_group_remove_window (plug->modality_group, GTK_WINDOW (plug));
443 gtk_object_unref (plug->modality_group);
447 if (GTK_WIDGET_CLASS (parent_class)->unrealize)
448 (* GTK_WIDGET_CLASS (parent_class)->unrealize) (widget);
452 gtk_plug_xembed_realize (GtkWidget *widget)
456 GdkWindowAttr attributes;
457 gint attributes_mask;
459 g_return_if_fail (GTK_IS_PLUG_XEMBED (widget));
461 GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
462 window = GTK_WINDOW (widget);
463 plug = GTK_PLUG_XEMBED (widget);
465 attributes.window_type = GDK_WINDOW_CHILD; /* XXX GDK_WINDOW_PLUG ? */
466 attributes.title = window->title;
467 attributes.wmclass_name = window->wmclass_name;
468 attributes.wmclass_class = window->wmclass_class;
469 attributes.width = widget->allocation.width;
470 attributes.height = widget->allocation.height;
471 attributes.wclass = GDK_INPUT_OUTPUT;
473 /* this isn't right - we should match our parent's visual/colormap.
474 * though that will require handling "foreign" colormaps */
475 attributes.visual = gtk_widget_get_visual (widget);
476 attributes.colormap = gtk_widget_get_colormap (widget);
477 attributes.event_mask = gtk_widget_get_events (widget);
478 attributes.event_mask |= (GDK_EXPOSURE_MASK |
480 GDK_KEY_RELEASE_MASK |
481 GDK_ENTER_NOTIFY_MASK |
482 GDK_LEAVE_NOTIFY_MASK |
483 GDK_FOCUS_CHANGE_MASK |
486 attributes_mask = GDK_WA_VISUAL | GDK_WA_COLORMAP;
487 attributes_mask |= (window->title ? GDK_WA_TITLE : 0);
488 attributes_mask |= (window->wmclass_name ? GDK_WA_WMCLASS : 0);
490 if (GTK_WIDGET_TOPLEVEL (widget))
492 attributes.window_type = GDK_WINDOW_TOPLEVEL;
494 gdk_error_trap_push ();
495 widget->window = gdk_window_new (plug->socket_window,
496 &attributes, attributes_mask);
498 if (gdk_error_trap_pop ()) /* Uh-oh */
500 gdk_error_trap_push ();
501 gdk_window_destroy (widget->window);
503 gdk_error_trap_pop ();
504 widget->window = gdk_window_new (NULL, &attributes, attributes_mask);
507 gdk_window_add_filter (widget->window, gtk_plug_xembed_filter_func, widget);
510 plug->modality_group = gtk_window_group_new ();
511 gtk_window_group_add_window (plug->modality_group, window);
514 xembed_set_info (widget->window, 0);
517 widget->window = gdk_window_new (gtk_widget_get_parent_window (widget), &attributes, attributes_mask);
519 gdk_window_set_user_data (widget->window, window);
521 widget->style = gtk_style_attach (widget->style, widget->window);
522 gtk_style_set_background (widget->style, widget->window, GTK_STATE_NORMAL);
526 gtk_plug_xembed_show (GtkWidget *widget)
528 if (GTK_WIDGET_TOPLEVEL (widget))
529 GTK_WIDGET_CLASS (parent_class)->show (widget);
531 GTK_WIDGET_CLASS (bin_class)->show (widget);
535 gtk_plug_xembed_hide (GtkWidget *widget)
537 if (GTK_WIDGET_TOPLEVEL (widget))
538 GTK_WIDGET_CLASS (parent_class)->hide (widget);
540 GTK_WIDGET_CLASS (bin_class)->hide (widget);
544 gtk_plug_xembed_map (GtkWidget *widget)
546 if (GTK_WIDGET_TOPLEVEL (widget)) {
547 GtkBin *bin = GTK_BIN (widget);
549 GTK_WIDGET_SET_FLAGS (widget, GTK_MAPPED);
552 GTK_WIDGET_VISIBLE (bin->child) &&
553 !GTK_WIDGET_MAPPED (bin->child))
554 gtk_widget_map (bin->child);
555 xembed_set_info (widget->window, XEMBED_MAPPED);
556 if (!GTK_WIDGET_NO_WINDOW (widget))
557 gdk_window_show (widget->window);
560 gdk_synthesize_window_state (widget->window,
561 GDK_WINDOW_STATE_WITHDRAWN,
565 GTK_WIDGET_CLASS (bin_class)->map (widget);
570 gtk_plug_xembed_unmap (GtkWidget *widget)
572 if (GTK_WIDGET_TOPLEVEL (widget))
574 GTK_WIDGET_UNSET_FLAGS (widget, GTK_MAPPED);
576 gdk_window_hide (widget->window);
577 xembed_set_info (widget->window, 0);
580 gdk_synthesize_window_state (widget->window,
582 GDK_WINDOW_STATE_WITHDRAWN);
586 GTK_WIDGET_CLASS (bin_class)->unmap (widget);
590 gtk_plug_xembed_size_request (GtkWidget *widget,
591 GtkRequisition *requisition)
593 requisition->width = 22;
594 requisition->height = 22;
598 gtk_plug_xembed_size_allocate (GtkWidget *widget,
599 GtkAllocation *allocation)
601 if (GTK_WIDGET_TOPLEVEL (widget))
602 GTK_WIDGET_CLASS (parent_class)->size_allocate (widget, allocation);
605 GtkBin *bin = GTK_BIN (widget);
607 widget->allocation = *allocation;
609 if (GTK_WIDGET_REALIZED (widget))
610 gdk_window_move_resize (widget->window,
611 allocation->x, allocation->y,
612 allocation->width, allocation->height);
614 if (bin->child && GTK_WIDGET_VISIBLE (bin->child))
616 GtkAllocation child_allocation;
618 child_allocation.x = child_allocation.y = GTK_CONTAINER (widget)->border_width;
619 child_allocation.width =
620 MAX (1, (gint)allocation->width - child_allocation.x * 2);
621 child_allocation.height =
622 MAX (1, (gint)allocation->height - child_allocation.y * 2);
624 gtk_widget_size_allocate (bin->child, &child_allocation);
631 gtk_plug_xembed_key_press_event (GtkWidget *widget,
634 if (GTK_WIDGET_TOPLEVEL (widget))
635 return GTK_WIDGET_CLASS (parent_class)->key_press_event (widget, event);
641 gtk_plug_xembed_focus_event (GtkWidget *widget,
642 GdkEventFocus *event)
644 /* We eat focus-in events and focus-out events, since they
645 * can be generated by something like a keyboard grab on
646 * a child of the plug.
652 gtk_plug_xembed_set_focus (GtkWindow *window,
655 GtkPlugXEmbed *plug = GTK_PLUG_XEMBED (window);
657 GTK_WINDOW_CLASS (parent_class)->set_focus (window, focus);
659 /* Ask for focus from embedder
662 if (focus && !window->window_has_focus)
664 send_xembed_message (plug, XEMBED_REQUEST_FOCUS, 0, 0, 0,
665 gtk2_get_current_event_time ());
672 guint accelerator_key;
673 GdkModifierType accelerator_mods;
677 grabbed_key_hash (gconstpointer a)
679 const GrabbedKey *key = a;
682 h = key->accelerator_key << 16;
683 h ^= key->accelerator_key >> 16;
684 h ^= key->accelerator_mods;
690 grabbed_key_equal (gconstpointer a, gconstpointer b)
692 const GrabbedKey *keya = a;
693 const GrabbedKey *keyb = b;
695 return (keya->accelerator_key == keyb->accelerator_key &&
696 keya->accelerator_mods == keyb->accelerator_mods);
700 add_grabbed_key (gpointer key, gpointer val, gpointer data)
702 GrabbedKey *grabbed_key = key;
703 GtkPlugXEmbed *plug = data;
705 if (!plug->grabbed_keys ||
706 !g_hash_table_lookup (plug->grabbed_keys, grabbed_key))
708 send_xembed_message (plug, XEMBED_GTK_GRAB_KEY, 0,
709 grabbed_key->accelerator_key, grabbed_key->accelerator_mods,
710 gtk_get_current_event_time ());
715 add_grabbed_key_always (gpointer key, gpointer val, gpointer data)
717 GrabbedKey *grabbed_key = key;
718 GtkPlugXEmbed *plug = data;
720 send_xembed_message (plug, XEMBED_GTK_GRAB_KEY, 0,
721 grabbed_key->accelerator_key, grabbed_key->accelerator_mods,
722 gtk_get_current_event_time ());
726 remove_grabbed_key (gpointer key, gpointer val, gpointer data)
728 GrabbedKey *grabbed_key = key;
729 GtkPlugXEmbed *plug = data;
731 if (!plug->grabbed_keys ||
732 !g_hash_table_lookup (plug->grabbed_keys, grabbed_key))
734 send_xembed_message (plug, XEMBED_GTK_UNGRAB_KEY, 0,
735 grabbed_key->accelerator_key, grabbed_key->accelerator_mods,
736 gtk_get_current_event_time ());
741 keys_foreach (GtkWindow *window,
743 GdkModifierType modifiers,
744 gboolean is_mnemonic,
747 GHashTable *new_grabbed_keys = data;
748 GrabbedKey *key = g_new (GrabbedKey, 1);
750 key->accelerator_key = keyval;
751 key->accelerator_mods = modifiers;
753 g_hash_table_replace (new_grabbed_keys, key, key);
758 gtk_plug_xembed_keys_changed (GtkWindow *window)
760 GHashTable *new_grabbed_keys, *old_grabbed_keys;
761 GtkPlugXEmbed *plug = GTK_PLUG_XEMBED (window);
763 new_grabbed_keys = g_hash_table_new_full (grabbed_key_hash, grabbed_key_equal, (GDestroyNotify)g_free, NULL);
764 _gtk_window_keys_foreach (window, keys_foreach, new_grabbed_keys);
766 if (plug->socket_window)
767 g_hash_table_foreach (new_grabbed_keys, add_grabbed_key, plug);
769 old_grabbed_keys = plug->grabbed_keys;
770 plug->grabbed_keys = new_grabbed_keys;
772 if (old_grabbed_keys)
774 if (plug->socket_window)
775 g_hash_table_foreach (old_grabbed_keys, remove_grabbed_key, plug);
776 g_hash_table_destroy (old_grabbed_keys);
784 gtk_plug_xembed_focus (GtkWidget *widget,
785 GtkDirectionType direction)
787 GtkBin *bin = GTK_BIN (widget);
788 GtkPlugXEmbed *plug = GTK_PLUG_XEMBED (widget);
789 GtkWindow *window = GTK_WINDOW (widget);
790 GtkContainer *container = GTK_CONTAINER (widget);
791 GtkWidget *old_focus_child = container->focus_child;
794 /* We override GtkWindow's behavior, since we don't want wrapping here.
798 if (gtk_widget_child_focus (old_focus_child, direction))
801 if (window->focus_widget)
803 /* Wrapped off the end, clear the focus setting for the toplevel */
804 parent = window->focus_widget->parent;
807 gtk_container_set_focus_child (GTK_CONTAINER (parent), NULL);
808 parent = GTK_WIDGET (parent)->parent;
811 gtk_window_set_focus (GTK_WINDOW (container), NULL);
813 if (!GTK_CONTAINER (window)->focus_child)
821 case GTK_DIR_TAB_BACKWARD:
822 message = XEMBED_FOCUS_PREV;
826 case GTK_DIR_TAB_FORWARD:
827 message = XEMBED_FOCUS_NEXT;
831 send_xembed_message (plug, message, 0, 0, 0,
832 gtk_get_current_event_time ());
840 /* Try to focus the first widget in the window */
842 if (bin->child && gtk_widget_child_focus (bin->child, direction))
851 gtk_plug_xembed_check_resize (GtkContainer *container)
853 if (GTK_WIDGET_TOPLEVEL (container))
854 GTK_CONTAINER_CLASS (parent_class)->check_resize (container);
856 GTK_CONTAINER_CLASS (bin_class)->check_resize (container);
860 send_xembed_message (GtkPlugXEmbed *plug,
867 if (plug->socket_window)
872 g_message ("GtkPlugXEmbed: Sending XEMBED message of type %ld", message));
874 xevent.xclient.window = GDK_WINDOW_XWINDOW (plug->socket_window);
875 xevent.xclient.type = ClientMessage;
876 xevent.xclient.message_type = (Atom)gdk_atom_intern ("_XEMBED", FALSE);
877 xevent.xclient.format = 32;
878 xevent.xclient.data.l[0] = time;
879 xevent.xclient.data.l[1] = message;
880 xevent.xclient.data.l[2] = detail;
881 xevent.xclient.data.l[3] = data1;
882 xevent.xclient.data.l[4] = data2;
884 gdk_error_trap_push ();
885 XSendEvent (GDK_DISPLAY (),
886 GDK_WINDOW_XWINDOW (plug->socket_window),
887 False, NoEventMask, &xevent);
889 gdk_error_trap_pop ();
894 focus_first_last (GtkPlugXEmbed *plug,
895 GtkDirectionType direction)
897 GtkWindow *window = GTK_WINDOW (plug);
900 if (window->focus_widget)
902 parent = window->focus_widget->parent;
905 gtk_container_set_focus_child (GTK_CONTAINER (parent), NULL);
906 parent = GTK_WIDGET (parent)->parent;
909 gtk_window_set_focus (GTK_WINDOW (plug), NULL);
913 gtk_widget_child_focus (GTK_WIDGET (plug), direction);
918 handle_modality_on (GtkPlugXEmbed *plug)
921 if (!plug->modality_window)
923 plug->modality_window = gtk_window_new (GTK_WINDOW_POPUP);
924 gtk_widget_realize (plug->modality_window);
925 gtk_window_group_add_window (plug->modality_group, GTK_WINDOW (plug->modality_window));
926 gtk_grab_add (plug->modality_window);
929 // g_print("Modality On for plug %p\n", plug);
934 handle_modality_off (GtkPlugXEmbed *plug)
937 if (plug->modality_window)
939 gtk_widget_destroy (plug->modality_window);
940 plug->modality_window = NULL;
943 // g_print("Modality Off for plug %p\n", plug);
948 xembed_set_info (GdkWindow *gdk_window,
951 Display *display = GDK_WINDOW_XDISPLAY (gdk_window);
952 Window window = GDK_WINDOW_XWINDOW (gdk_window);
953 unsigned long buffer[2];
955 Atom xembed_info_atom = (Atom)gdk_atom_intern ("_XEMBED_INFO", FALSE);
957 buffer[1] = 0; /* Protocol version */
960 XChangeProperty (display, window,
961 xembed_info_atom, xembed_info_atom, 32,
963 (unsigned char *)buffer, 2);
967 handle_xembed_message (GtkPlugXEmbed *plug,
974 GTK_NOTE (PLUGSOCKET,
975 g_message ("GtkPlugXEmbed: Message of type %ld received\n", message));
979 case XEMBED_EMBEDDED_NOTIFY:
981 case XEMBED_WINDOW_ACTIVATE:
983 g_message ("GtkPlugXEmbed: ACTIVATE received"));
985 case XEMBED_WINDOW_DEACTIVATE:
987 g_message ("GtkPlugXEmbed: DEACTIVATE received"));
990 case XEMBED_MODALITY_ON:
991 handle_modality_on (plug);
993 case XEMBED_MODALITY_OFF:
994 handle_modality_off (plug);
997 case XEMBED_FOCUS_IN:
1000 case XEMBED_FOCUS_FIRST:
1001 focus_first_last (plug, GTK_DIR_TAB_FORWARD);
1003 case XEMBED_FOCUS_LAST:
1004 focus_first_last (plug, GTK_DIR_TAB_BACKWARD);
1006 case XEMBED_FOCUS_CURRENT:
1010 case XEMBED_FOCUS_OUT:
1012 GtkWidget *widget = GTK_WIDGET (plug);
1015 event.focus_change.type = GDK_FOCUS_CHANGE;
1016 event.focus_change.window = widget->window;
1017 event.focus_change.send_event = TRUE;
1019 if (message == XEMBED_FOCUS_IN)
1021 event.focus_change.in = TRUE;
1022 GTK_WIDGET_CLASS (parent_class)->focus_in_event (widget, (GdkEventFocus *)&event);
1026 event.focus_change.in = FALSE;
1027 GTK_WIDGET_CLASS (parent_class)->focus_out_event (widget, (GdkEventFocus *)&event);
1033 case XEMBED_GRAB_KEY:
1034 case XEMBED_UNGRAB_KEY:
1035 case XEMBED_GTK_GRAB_KEY:
1036 case XEMBED_GTK_UNGRAB_KEY:
1037 case XEMBED_REQUEST_FOCUS:
1038 case XEMBED_FOCUS_NEXT:
1039 case XEMBED_FOCUS_PREV:
1040 g_warning ("GtkPlugXEmbed: Invalid _XEMBED message of type %ld received", message);
1044 GTK_NOTE(PLUGSOCKET,
1045 g_message ("GtkPlugXEmbed: Ignoring unknown _XEMBED message of type %ld", message));
1050 static GdkFilterReturn
1051 gtk_plug_xembed_filter_func (GdkXEvent *gdk_xevent, GdkEvent *event, gpointer data)
1053 GtkPlugXEmbed *plug = GTK_PLUG_XEMBED (data);
1054 XEvent *xevent = (XEvent *)gdk_xevent;
1056 GdkFilterReturn return_val;
1058 return_val = GDK_FILTER_CONTINUE;
1060 switch (xevent->type)
1063 if (xevent->xclient.message_type == (Atom)gdk_atom_intern ("_XEMBED", FALSE))
1065 handle_xembed_message (plug,
1066 xevent->xclient.data.l[1],
1067 xevent->xclient.data.l[2],
1068 xevent->xclient.data.l[3],
1069 xevent->xclient.data.l[4],
1070 xevent->xclient.data.l[0]);
1073 return GDK_FILTER_REMOVE;
1075 else if (xevent->xclient.message_type == (Atom)gdk_atom_intern ("WM_DELETE_WINDOW", FALSE))
1077 /* We filter these out because we take being reparented back to the
1078 * root window as the reliable end of the embedding protocol
1081 return GDK_FILTER_REMOVE;
1084 case ReparentNotify:
1086 XReparentEvent *xre = &xevent->xreparent;
1087 gboolean was_embedded = plug->socket_window != NULL;
1089 return_val = GDK_FILTER_REMOVE;
1091 gtk_object_ref (GTK_OBJECT(plug));
1095 /* End of embedding protocol for previous socket */
1097 /* FIXME: race if we remove from another socket and
1098 * then add to a local window before we get notification
1099 * Probably need check in _gtk_plug_xembed_add_to_socket
1102 if (xre->parent != GDK_WINDOW_XWINDOW (plug->socket_window))
1104 GtkWidget *widget = GTK_WIDGET (plug);
1106 gdk_window_set_user_data (plug->socket_window, NULL);
1107 gdk_window_unref (plug->socket_window);
1108 plug->socket_window = NULL;
1110 /* Emit a delete window, as if the user attempted
1111 * to close the toplevel. Simple as to how we
1112 * handle WM_DELETE_WINDOW, if it isn't handled
1113 * we destroy the widget. BUt only do this if
1114 * we are being reparented to the root window.
1115 * Moving from one embedder to another should
1116 * be invisible to the app.
1119 if (xre->parent == GDK_ROOT_WINDOW())
1123 event.any.type = GDK_DELETE;
1124 event.any.window = gdk_window_ref (widget->window);
1125 event.any.send_event = FALSE;
1127 if (!gtk_widget_event (widget, &event))
1128 gtk_widget_destroy (widget);
1130 gdk_window_unref (event.any.window);
1137 if (xre->parent != GDK_ROOT_WINDOW ())
1139 /* Start of embedding protocol */
1141 plug->socket_window = gdk_window_lookup (xre->parent);
1142 if (plug->socket_window)
1144 gpointer user_data = NULL;
1145 gdk_window_get_user_data (plug->socket_window, &user_data);
1149 g_warning (/*G_STRLOC*/ "Plug reparented unexpectedly into window in the same process");
1150 plug->socket_window = NULL;
1154 gdk_window_ref (plug->socket_window);
1158 plug->socket_window = gdk_window_foreign_new (xre->parent);
1159 if (!plug->socket_window) /* Already gone */
1163 #ifdef PORT_COMPLETE
1164 if (plug->grabbed_keys)
1165 g_hash_table_foreach (plug->grabbed_keys, add_grabbed_key_always, plug);
1169 gtk_signal_emit (GTK_OBJECT (plug), plug_signals[EMBEDDED], 0);
1173 gtk_object_unref (GTK_OBJECT(plug));
1179 return GDK_FILTER_CONTINUE;