* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
*
* This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
+ * modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Library General Public License for more details.
+ * Lesser General Public License for more details.
*
- * You should have received a copy of the GNU Library General Public
+ * You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/* By Owen Taylor <otaylor@gtk.org> 98/4/4 */
-#include "gdk/gdkx.h"
-#include "gdk/gdkkeysyms.h"
-#include "gtkplug.h"
+/*
+ * Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
+ * file for a list of people on the GTK+ Team. See the ChangeLog
+ * files for a list of changes. These files are distributed with
+ * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
+ */
-static void gtk_plug_class_init (GtkPlugClass *klass);
-static void gtk_plug_init (GtkPlug *plug);
+#include "gtkmain.h"
+#include "gtkmarshalers.h"
+#include "gtkplug.h"
+#include "gtkprivate.h"
-static void gtk_plug_realize (GtkWidget *widget);
-static gint gtk_plug_key_press_event (GtkWidget *widget,
- GdkEventKey *event);
-static void gtk_plug_forward_key_press (GtkPlug *plug, GdkEventKey *event);
-static gint gtk_plug_focus_in_event (GtkWidget *widget, GdkEventFocus *event);
-static gint gtk_plug_focus_out_event (GtkWidget *widget, GdkEventFocus *event);
-static void gtk_plug_set_focus (GtkWindow *window,
- GtkWidget *focus);
+#include "gdk/gdkkeysyms.h"
+#include "x11/gdkx.h"
+
+#include "xembed.h"
+
+static void gtk_plug_class_init (GtkPlugClass *klass);
+static void gtk_plug_init (GtkPlug *plug);
+static void gtk_plug_finalize (GObject *object);
+static void gtk_plug_realize (GtkWidget *widget);
+static void gtk_plug_unrealize (GtkWidget *widget);
+static void gtk_plug_show (GtkWidget *widget);
+static void gtk_plug_hide (GtkWidget *widget);
+static void gtk_plug_map (GtkWidget *widget);
+static void gtk_plug_unmap (GtkWidget *widget);
+static void gtk_plug_size_allocate (GtkWidget *widget,
+ GtkAllocation *allocation);
+static gboolean gtk_plug_key_press_event (GtkWidget *widget,
+ GdkEventKey *event);
+static gboolean gtk_plug_focus_event (GtkWidget *widget,
+ GdkEventFocus *event);
+static void gtk_plug_set_focus (GtkWindow *window,
+ GtkWidget *focus);
+static gboolean gtk_plug_focus (GtkWidget *widget,
+ GtkDirectionType direction);
+static void gtk_plug_check_resize (GtkContainer *container);
+static void gtk_plug_keys_changed (GtkWindow *window);
+static GdkFilterReturn gtk_plug_filter_func (GdkXEvent *gdk_xevent,
+ GdkEvent *event,
+ gpointer data);
+
+static void handle_modality_off (GtkPlug *plug);
+static void send_xembed_message (GtkPlug *plug,
+ glong message,
+ glong detail,
+ glong data1,
+ glong data2,
+ guint32 time);
+static void xembed_set_info (GdkWindow *window,
+ unsigned long flags);
/* From Tk */
#define EMBEDDED_APP_WANTS_FOCUS NotifyNormal+20
+
+static GtkWindowClass *parent_class = NULL;
+static GtkBinClass *bin_class = NULL;
+
+enum {
+ EMBEDDED,
+ LAST_SIGNAL
+};
+
+static guint plug_signals[LAST_SIGNAL] = { 0 };
-guint
+GType
gtk_plug_get_type ()
{
- static guint plug_type = 0;
+ static GType plug_type = 0;
if (!plug_type)
{
- GtkTypeInfo plug_info =
+ static const GTypeInfo plug_info =
{
- "GtkPlug",
- sizeof (GtkPlug),
sizeof (GtkPlugClass),
- (GtkClassInitFunc) gtk_plug_class_init,
- (GtkObjectInitFunc) gtk_plug_init,
- (GtkArgSetFunc) NULL,
- (GtkArgGetFunc) NULL
+ NULL, /* base_init */
+ NULL, /* base_finalize */
+ (GClassInitFunc) gtk_plug_class_init,
+ NULL, /* class_finalize */
+ NULL, /* class_data */
+ sizeof (GtkPlug),
+ 16, /* n_preallocs */
+ (GInstanceInitFunc) gtk_plug_init,
};
- plug_type = gtk_type_unique (gtk_window_get_type (), &plug_info);
+ plug_type = g_type_register_static (GTK_TYPE_WINDOW, "GtkPlug",
+ &plug_info, 0);
}
return plug_type;
static void
gtk_plug_class_init (GtkPlugClass *class)
{
- GtkWidgetClass *widget_class;
- GtkWindowClass *window_class;
+ GObjectClass *gobject_class = (GObjectClass *)class;
+ GtkWidgetClass *widget_class = (GtkWidgetClass *)class;
+ GtkWindowClass *window_class = (GtkWindowClass *)class;
+ GtkContainerClass *container_class = (GtkContainerClass *)class;
- widget_class = (GtkWidgetClass *)class;
- window_class = (GtkWindowClass *)class;
+ parent_class = g_type_class_peek_parent (class);
+ bin_class = g_type_class_peek (GTK_TYPE_BIN);
+ gobject_class->finalize = gtk_plug_finalize;
+
widget_class->realize = gtk_plug_realize;
+ widget_class->unrealize = gtk_plug_unrealize;
widget_class->key_press_event = gtk_plug_key_press_event;
- widget_class->focus_in_event = gtk_plug_focus_in_event;
- widget_class->focus_out_event = gtk_plug_focus_out_event;
+ widget_class->focus_in_event = gtk_plug_focus_event;
+ widget_class->focus_out_event = gtk_plug_focus_event;
+
+ widget_class->show = gtk_plug_show;
+ widget_class->hide = gtk_plug_hide;
+ widget_class->map = gtk_plug_map;
+ widget_class->unmap = gtk_plug_unmap;
+ widget_class->size_allocate = gtk_plug_size_allocate;
+
+ widget_class->focus = gtk_plug_focus;
+
+ container_class->check_resize = gtk_plug_check_resize;
window_class->set_focus = gtk_plug_set_focus;
+ window_class->keys_changed = gtk_plug_keys_changed;
+
+ plug_signals[EMBEDDED] =
+ g_signal_new ("embedded",
+ G_OBJECT_CLASS_TYPE (class),
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (GtkPlugClass, embedded),
+ NULL, NULL,
+ _gtk_marshal_VOID__VOID,
+ G_TYPE_NONE, 0);
}
static void
window = GTK_WINDOW (plug);
window->type = GTK_WINDOW_TOPLEVEL;
- window->auto_shrink = TRUE;
}
+static void
+gtk_plug_set_is_child (GtkPlug *plug,
+ gboolean is_child)
+{
+ g_assert (!GTK_WIDGET (plug)->parent);
+
+ if (is_child)
+ {
+ if (plug->modality_window)
+ handle_modality_off (plug);
+
+ if (plug->modality_group)
+ {
+ gtk_window_group_remove_window (plug->modality_group, GTK_WINDOW (plug));
+ g_object_unref (plug->modality_group);
+ plug->modality_group = NULL;
+ }
+
+ /* As a toplevel, the MAPPED flag doesn't correspond
+ * to whether the widget->window is mapped; we unmap
+ * here, but don't bother remapping -- we will get mapped
+ * by gtk_widget_set_parent ().
+ */
+ if (GTK_WIDGET_MAPPED (plug))
+ gtk_widget_unmap (GTK_WIDGET (plug));
+
+ GTK_WIDGET_UNSET_FLAGS (plug, GTK_TOPLEVEL);
+ gtk_container_set_resize_mode (GTK_CONTAINER (plug), GTK_RESIZE_PARENT);
+
+ _gtk_widget_propagate_hierarchy_changed (GTK_WIDGET (plug), GTK_WIDGET (plug));
+ }
+ else
+ {
+ if (GTK_WINDOW (plug)->focus_widget)
+ gtk_window_set_focus (GTK_WINDOW (plug), NULL);
+ if (GTK_WINDOW (plug)->default_widget)
+ gtk_window_set_default (GTK_WINDOW (plug), NULL);
+
+ plug->modality_group = gtk_window_group_new ();
+ gtk_window_group_add_window (plug->modality_group, GTK_WINDOW (plug));
+
+ GTK_WIDGET_SET_FLAGS (plug, GTK_TOPLEVEL);
+ gtk_container_set_resize_mode (GTK_CONTAINER (plug), GTK_RESIZE_QUEUE);
+
+ _gtk_widget_propagate_hierarchy_changed (GTK_WIDGET (plug), NULL);
+ }
+}
+
+/**
+ * _gtk_plug_add_to_socket:
+ * @plug: a #GtkPlug
+ * @socket_: a #GtkSocket
+ *
+ * Adds a plug to a socket within the same application.
+ **/
void
-gtk_plug_construct (GtkPlug *plug, guint32 socket_id)
+_gtk_plug_add_to_socket (GtkPlug *plug,
+ GtkSocket *socket)
{
- plug->socket_window = gdk_window_lookup (socket_id);
+ GtkWidget *widget;
+ gint w, h;
+
+ g_return_if_fail (GTK_IS_PLUG (plug));
+ g_return_if_fail (GTK_IS_SOCKET (socket));
+ g_return_if_fail (GTK_WIDGET_REALIZED (socket));
+
+ widget = GTK_WIDGET (plug);
+
+ gtk_plug_set_is_child (plug, TRUE);
plug->same_app = TRUE;
+ socket->same_app = TRUE;
+ socket->plug_widget = widget;
- if (plug->socket_window == NULL)
+ plug->socket_window = GTK_WIDGET (socket)->window;
+
+ if (GTK_WIDGET_REALIZED (widget))
{
- plug->socket_window = gdk_window_foreign_new (socket_id);
- plug->same_app = FALSE;
+ gdk_drawable_get_size (GDK_DRAWABLE (widget->window), &w, &h);
+ gdk_window_reparent (widget->window, plug->socket_window, -w, -h);
+ }
+
+ gtk_widget_set_parent (widget, GTK_WIDGET (socket));
+
+ g_signal_emit_by_name (socket, "plug_added", 0);
+}
+
+static void
+send_delete_event (GtkWidget *widget)
+{
+ GdkEvent *event = gdk_event_new (GDK_DELETE);
+
+ event->any.window = g_object_ref (widget->window);
+ event->any.send_event = FALSE;
+
+ gtk_widget_ref (widget);
+
+ if (!gtk_widget_event (widget, event))
+ gtk_widget_destroy (widget);
+
+ gtk_widget_unref (widget);
+
+ gdk_event_free (event);
+}
+
+/**
+ * _gtk_plug_remove_from_socket:
+ * @plug: a #GtkPlug
+ * @socket_: a #GtkSocket
+ *
+ * Removes a plug from a socket within the same application.
+ **/
+void
+_gtk_plug_remove_from_socket (GtkPlug *plug,
+ GtkSocket *socket)
+{
+ GtkWidget *widget;
+ gboolean result;
+ gboolean widget_was_visible;
+
+ g_return_if_fail (GTK_IS_PLUG (plug));
+ g_return_if_fail (GTK_IS_SOCKET (socket));
+ g_return_if_fail (GTK_WIDGET_REALIZED (plug));
+
+ widget = GTK_WIDGET (plug);
+
+ g_object_ref (plug);
+ g_object_ref (socket);
+
+ widget_was_visible = GTK_WIDGET_VISIBLE (plug);
+
+ gdk_window_hide (widget->window);
+ gdk_window_reparent (widget->window,
+ gtk_widget_get_root_window (widget),
+ 0, 0);
+
+ GTK_PRIVATE_SET_FLAG (plug, GTK_IN_REPARENT);
+ gtk_widget_unparent (GTK_WIDGET (plug));
+ GTK_PRIVATE_UNSET_FLAG (plug, GTK_IN_REPARENT);
+
+ socket->plug_widget = NULL;
+ g_object_unref (socket->plug_window);
+ socket->plug_window = NULL;
+
+ socket->same_app = FALSE;
+
+ plug->same_app = FALSE;
+ plug->socket_window = NULL;
+
+ gtk_plug_set_is_child (plug, FALSE);
+
+ g_signal_emit_by_name (socket, "plug_removed", &result);
+ if (!result)
+ gtk_widget_destroy (GTK_WIDGET (socket));
+
+ send_delete_event (widget);
+
+ g_object_unref (plug);
+
+ if (widget_was_visible && GTK_WIDGET_VISIBLE (socket))
+ gtk_widget_queue_resize (GTK_WIDGET (socket));
+
+ g_object_unref (socket);
+}
+
+/**
+ * gtk_plug_construct:
+ * @plug: a #GtkPlug.
+ * @socket_id: the XID of the socket's window.
+ *
+ * Finish the initialization of @plug for a given #GtkSocket identified by
+ * @socket_id. This function will generally only be used by classes deriving from #GtkPlug.
+ **/
+void
+gtk_plug_construct (GtkPlug *plug,
+ GdkNativeWindow socket_id)
+{
+ gtk_plug_construct_for_display (plug, gdk_display_get_default (), socket_id);
+}
+
+/**
+ * gtk_plug_construct_for_display:
+ * @plug: a #GtkPlug.
+ * @display: the #GdkDisplay associated with @socket_id's
+ * #GtkSocket.
+ * @socket_id: the XID of the socket's window.
+ *
+ * Finish the initialization of @plug for a given #GtkSocket identified by
+ * @socket_id which is currently displayed on @display.
+ * This function will generally only be used by classes deriving from #GtkPlug.
+ *
+ * Since: 2.2
+ **/
+void
+gtk_plug_construct_for_display (GtkPlug *plug,
+ GdkDisplay *display,
+ GdkNativeWindow socket_id)
+{
+ if (socket_id)
+ {
+ gpointer user_data = NULL;
+
+ plug->socket_window = gdk_window_lookup_for_display (display, socket_id);
+
+ if (plug->socket_window)
+ gdk_window_get_user_data (plug->socket_window, &user_data);
+ else
+ plug->socket_window = gdk_window_foreign_new_for_display (display, socket_id);
+
+ if (user_data)
+ {
+ if (GTK_IS_SOCKET (user_data))
+ _gtk_plug_add_to_socket (plug, user_data);
+ else
+ {
+ g_warning (G_STRLOC "Can't create GtkPlug as child of non-GtkSocket");
+ plug->socket_window = NULL;
+ }
+ }
+
+ if (plug->socket_window)
+ g_signal_emit (plug, plug_signals[EMBEDDED], 0);
}
}
+/**
+ * gtk_plug_new:
+ * @socket_id: the window ID of the socket, or 0.
+ *
+ * Creates a new plug widget inside the #GtkSocket identified
+ * by @socket_id. If @socket_id is 0, the plug is left "unplugged" and
+ * can later be plugged into a #GtkSocket by gtk_socket_add_id().
+ *
+ * Return value: the new #GtkPlug widget.
+ **/
+GtkWidget*
+gtk_plug_new (GdkNativeWindow socket_id)
+{
+ return gtk_plug_new_for_display (gdk_display_get_default (), socket_id);
+}
+
+/**
+ * gtk_plug_new_for_display:
+ * @display : the #GdkDisplay on which @socket_id is displayed
+ * @socket_id: the XID of the socket's window.
+ *
+ * Create a new plug widget inside the #GtkSocket identified by socket_id.
+ *
+ * Return value: the new #GtkPlug widget.
+ *
+ * Since: 2.2
+ */
GtkWidget*
-gtk_plug_new (guint32 socket_id)
+gtk_plug_new_for_display (GdkDisplay *display,
+ GdkNativeWindow socket_id)
{
GtkPlug *plug;
- plug = GTK_PLUG (gtk_type_new (gtk_plug_get_type ()));
- gtk_plug_construct (plug, socket_id);
+ plug = g_object_new (GTK_TYPE_PLUG, NULL);
+ gtk_plug_construct_for_display (plug, display, socket_id);
return GTK_WIDGET (plug);
}
+/**
+ * gtk_plug_get_id:
+ * @plug: a #GtkPlug.
+ *
+ * Gets the window ID of a #GtkPlug widget, which can then
+ * be used to embed this window inside another window, for
+ * instance with gtk_socket_add_id().
+ *
+ * Return value: the window ID for the plug
+ **/
+GdkNativeWindow
+gtk_plug_get_id (GtkPlug *plug)
+{
+ g_return_val_if_fail (GTK_IS_PLUG (plug), 0);
+
+ if (!GTK_WIDGET_REALIZED (plug))
+ gtk_widget_realize (GTK_WIDGET (plug));
+
+ return GDK_WINDOW_XWINDOW (GTK_WIDGET (plug)->window);
+}
+
+static void
+gtk_plug_finalize (GObject *object)
+{
+ GtkPlug *plug = GTK_PLUG (object);
+
+ if (plug->grabbed_keys)
+ {
+ g_hash_table_destroy (plug->grabbed_keys);
+ plug->grabbed_keys = NULL;
+ }
+
+ G_OBJECT_CLASS (parent_class)->finalize (object);
+}
+
+static void
+gtk_plug_unrealize (GtkWidget *widget)
+{
+ GtkPlug *plug;
+
+ g_return_if_fail (GTK_IS_PLUG (widget));
+
+ plug = GTK_PLUG (widget);
+
+ if (plug->socket_window != NULL)
+ {
+ gdk_window_set_user_data (plug->socket_window, NULL);
+ g_object_unref (plug->socket_window);
+ plug->socket_window = NULL;
+ }
+
+ if (!plug->same_app)
+ {
+ if (plug->modality_window)
+ handle_modality_off (plug);
+
+ gtk_window_group_remove_window (plug->modality_group, GTK_WINDOW (plug));
+ g_object_unref (plug->modality_group);
+ }
+
+ if (GTK_WIDGET_CLASS (parent_class)->unrealize)
+ (* GTK_WIDGET_CLASS (parent_class)->unrealize) (widget);
+}
+
static void
gtk_plug_realize (GtkWidget *widget)
{
GdkWindowAttr attributes;
gint attributes_mask;
- g_return_if_fail (widget != NULL);
g_return_if_fail (GTK_IS_PLUG (widget));
GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
attributes.event_mask = gtk_widget_get_events (widget);
attributes.event_mask |= (GDK_EXPOSURE_MASK |
GDK_KEY_PRESS_MASK |
+ GDK_KEY_RELEASE_MASK |
GDK_ENTER_NOTIFY_MASK |
GDK_LEAVE_NOTIFY_MASK |
- GDK_FOCUS_CHANGE_MASK |
GDK_STRUCTURE_MASK);
attributes_mask = GDK_WA_VISUAL | GDK_WA_COLORMAP;
attributes_mask |= (window->title ? GDK_WA_TITLE : 0);
attributes_mask |= (window->wmclass_name ? GDK_WA_WMCLASS : 0);
- widget->window = gdk_window_new (plug->socket_window,
- &attributes, attributes_mask);
- ((GdkWindowPrivate *)widget->window)->window_type = GDK_WINDOW_TOPLEVEL;
+ if (GTK_WIDGET_TOPLEVEL (widget))
+ {
+ attributes.window_type = GDK_WINDOW_TOPLEVEL;
+
+ gdk_error_trap_push ();
+ if (plug->socket_window)
+ widget->window = gdk_window_new (plug->socket_window,
+ &attributes, attributes_mask);
+ else /* If it's a passive plug, we use the root window */
+ widget->window = gdk_window_new (gtk_widget_get_root_window (widget),
+ &attributes, attributes_mask);
+
+ gdk_display_sync (gtk_widget_get_display (widget));
+ if (gdk_error_trap_pop ()) /* Uh-oh */
+ {
+ gdk_error_trap_push ();
+ gdk_window_destroy (widget->window);
+ gdk_flush ();
+ gdk_error_trap_pop ();
+ widget->window = gdk_window_new (gtk_widget_get_root_window (widget),
+ &attributes, attributes_mask);
+ }
+
+ gdk_window_add_filter (widget->window, gtk_plug_filter_func, widget);
+
+ plug->modality_group = gtk_window_group_new ();
+ gtk_window_group_add_window (plug->modality_group, window);
+
+ xembed_set_info (widget->window, 0);
+ }
+ else
+ widget->window = gdk_window_new (gtk_widget_get_parent_window (widget),
+ &attributes, attributes_mask);
+
gdk_window_set_user_data (widget->window, window);
widget->style = gtk_style_attach (widget->style, widget->window);
gtk_style_set_background (widget->style, widget->window, GTK_STATE_NORMAL);
}
-static gint
+static void
+gtk_plug_show (GtkWidget *widget)
+{
+ if (GTK_WIDGET_TOPLEVEL (widget))
+ GTK_WIDGET_CLASS (parent_class)->show (widget);
+ else
+ GTK_WIDGET_CLASS (bin_class)->show (widget);
+}
+
+static void
+gtk_plug_hide (GtkWidget *widget)
+{
+ if (GTK_WIDGET_TOPLEVEL (widget))
+ GTK_WIDGET_CLASS (parent_class)->hide (widget);
+ else
+ GTK_WIDGET_CLASS (bin_class)->hide (widget);
+}
+
+/* From gdkinternals.h */
+void gdk_synthesize_window_state (GdkWindow *window,
+ GdkWindowState unset_flags,
+ GdkWindowState set_flags);
+
+static void
+gtk_plug_map (GtkWidget *widget)
+{
+ if (GTK_WIDGET_TOPLEVEL (widget))
+ {
+ GtkBin *bin = GTK_BIN (widget);
+
+ GTK_WIDGET_SET_FLAGS (widget, GTK_MAPPED);
+
+ if (bin->child &&
+ GTK_WIDGET_VISIBLE (bin->child) &&
+ !GTK_WIDGET_MAPPED (bin->child))
+ gtk_widget_map (bin->child);
+
+ xembed_set_info (widget->window, XEMBED_MAPPED);
+
+ gdk_synthesize_window_state (widget->window,
+ GDK_WINDOW_STATE_WITHDRAWN,
+ 0);
+ }
+ else
+ GTK_WIDGET_CLASS (bin_class)->map (widget);
+}
+
+static void
+gtk_plug_unmap (GtkWidget *widget)
+{
+ if (GTK_WIDGET_TOPLEVEL (widget))
+ {
+ GTK_WIDGET_UNSET_FLAGS (widget, GTK_MAPPED);
+
+ gdk_window_hide (widget->window);
+ xembed_set_info (widget->window, 0);
+
+ gdk_synthesize_window_state (widget->window,
+ 0,
+ GDK_WINDOW_STATE_WITHDRAWN);
+ }
+ else
+ GTK_WIDGET_CLASS (bin_class)->unmap (widget);
+}
+
+static void
+gtk_plug_size_allocate (GtkWidget *widget,
+ GtkAllocation *allocation)
+{
+ if (GTK_WIDGET_TOPLEVEL (widget))
+ GTK_WIDGET_CLASS (parent_class)->size_allocate (widget, allocation);
+ else
+ {
+ GtkBin *bin = GTK_BIN (widget);
+
+ widget->allocation = *allocation;
+
+ if (GTK_WIDGET_REALIZED (widget))
+ gdk_window_move_resize (widget->window,
+ allocation->x, allocation->y,
+ allocation->width, allocation->height);
+
+ if (bin->child && GTK_WIDGET_VISIBLE (bin->child))
+ {
+ GtkAllocation child_allocation;
+
+ child_allocation.x = child_allocation.y = GTK_CONTAINER (widget)->border_width;
+ child_allocation.width =
+ MAX (1, (gint)allocation->width - child_allocation.x * 2);
+ child_allocation.height =
+ MAX (1, (gint)allocation->height - child_allocation.y * 2);
+
+ gtk_widget_size_allocate (bin->child, &child_allocation);
+ }
+
+ }
+}
+
+static gboolean
gtk_plug_key_press_event (GtkWidget *widget,
GdkEventKey *event)
{
- GtkWindow *window;
- GtkPlug *plug;
- GtkDirectionType direction = 0;
- gint return_val;
+ if (GTK_WIDGET_TOPLEVEL (widget))
+ return GTK_WIDGET_CLASS (parent_class)->key_press_event (widget, event);
+ else
+ return FALSE;
+}
- g_return_val_if_fail (widget != NULL, FALSE);
- g_return_val_if_fail (GTK_IS_PLUG (widget), FALSE);
- g_return_val_if_fail (event != NULL, FALSE);
+static gboolean
+gtk_plug_focus_event (GtkWidget *widget,
+ GdkEventFocus *event)
+{
+ /* We eat focus-in events and focus-out events, since they
+ * can be generated by something like a keyboard grab on
+ * a child of the plug.
+ */
+ return FALSE;
+}
- window = GTK_WINDOW (widget);
- plug = GTK_PLUG (widget);
+static void
+gtk_plug_set_focus (GtkWindow *window,
+ GtkWidget *focus)
+{
+ GtkPlug *plug = GTK_PLUG (window);
- if (!GTK_WIDGET_HAS_FOCUS(widget))
+ GTK_WINDOW_CLASS (parent_class)->set_focus (window, focus);
+
+ /* Ask for focus from embedder
+ */
+
+ if (focus && !window->has_toplevel_focus)
{
- gtk_plug_forward_key_press (plug, event);
- return TRUE;
+ send_xembed_message (plug, XEMBED_REQUEST_FOCUS, 0, 0, 0,
+ gtk_get_current_event_time ());
}
+}
- return_val = FALSE;
- if (window->focus_widget)
- return_val = gtk_widget_event (window->focus_widget, (GdkEvent*) event);
+typedef struct
+{
+ guint accelerator_key;
+ GdkModifierType accelerator_mods;
+} GrabbedKey;
-#if 0
- if (!return_val && gtk_window_check_accelerator (window, event->keyval, event->state))
- return_val = TRUE;
-#endif
+static guint
+grabbed_key_hash (gconstpointer a)
+{
+ const GrabbedKey *key = a;
+ guint h;
- if (!return_val)
- {
- switch (event->keyval)
- {
- case GDK_space:
- if (window->focus_widget)
- {
- gtk_widget_activate (window->focus_widget);
- return_val = TRUE;
- }
- break;
- case GDK_Return:
- case GDK_KP_Enter:
- if (window->default_widget)
- {
- gtk_widget_activate (window->default_widget);
- return_val = TRUE;
- }
- else if (window->focus_widget)
- {
- gtk_widget_activate (window->focus_widget);
- return_val = TRUE;
- }
- break;
- case GDK_Up:
- case GDK_Down:
- case GDK_Left:
- case GDK_Right:
- case GDK_Tab:
- switch (event->keyval)
- {
- case GDK_Up:
- direction = GTK_DIR_UP;
- break;
- case GDK_Down:
- direction = GTK_DIR_DOWN;
- break;
- case GDK_Left:
- direction = GTK_DIR_LEFT;
- break;
- case GDK_Right:
- direction = GTK_DIR_RIGHT;
- break;
- case GDK_Tab:
- if (event->state & GDK_SHIFT_MASK)
- direction = GTK_DIR_TAB_BACKWARD;
- else
- direction = GTK_DIR_TAB_FORWARD;
- break;
- default :
- direction = GTK_DIR_UP; /* never reached, but makes compiler happy */
- }
+ h = key->accelerator_key << 16;
+ h ^= key->accelerator_key >> 16;
+ h ^= key->accelerator_mods;
- gtk_container_focus (GTK_CONTAINER (widget), direction);
+ return h;
+}
- if (!GTK_CONTAINER (window)->focus_child)
- {
- gtk_window_set_focus (GTK_WINDOW (widget), NULL);
-
- XSetInputFocus (GDK_DISPLAY (),
- GDK_WINDOW_XWINDOW (plug->socket_window),
- RevertToParent, event->time);
+static gboolean
+grabbed_key_equal (gconstpointer a, gconstpointer b)
+{
+ const GrabbedKey *keya = a;
+ const GrabbedKey *keyb = b;
- gtk_plug_forward_key_press (plug, event);
- }
+ return (keya->accelerator_key == keyb->accelerator_key &&
+ keya->accelerator_mods == keyb->accelerator_mods);
+}
- return_val = TRUE;
+static void
+add_grabbed_key (gpointer key, gpointer val, gpointer data)
+{
+ GrabbedKey *grabbed_key = key;
+ GtkPlug *plug = data;
- break;
- }
+ if (!plug->grabbed_keys ||
+ !g_hash_table_lookup (plug->grabbed_keys, grabbed_key))
+ {
+ send_xembed_message (plug, XEMBED_GTK_GRAB_KEY, 0,
+ grabbed_key->accelerator_key, grabbed_key->accelerator_mods,
+ gtk_get_current_event_time ());
}
+}
- return return_val;
+static void
+add_grabbed_key_always (gpointer key, gpointer val, gpointer data)
+{
+ GrabbedKey *grabbed_key = key;
+ GtkPlug *plug = data;
+
+ send_xembed_message (plug, XEMBED_GTK_GRAB_KEY, 0,
+ grabbed_key->accelerator_key, grabbed_key->accelerator_mods,
+ gtk_get_current_event_time ());
}
static void
-gtk_plug_forward_key_press (GtkPlug *plug, GdkEventKey *event)
+remove_grabbed_key (gpointer key, gpointer val, gpointer data)
{
- XEvent xevent;
-
- xevent.xkey.type = KeyPress;
- xevent.xkey.display = GDK_WINDOW_XDISPLAY (GTK_WIDGET(plug)->window);
- xevent.xkey.window = GDK_WINDOW_XWINDOW (plug->socket_window);
- xevent.xkey.root = GDK_ROOT_WINDOW (); /* FIXME */
- xevent.xkey.time = event->time;
- /* FIXME, the following might cause big problems for
- * non-GTK apps */
- xevent.xkey.x = 0;
- xevent.xkey.y = 0;
- xevent.xkey.x_root = 0;
- xevent.xkey.y_root = 0;
- xevent.xkey.state = event->state;
- xevent.xkey.keycode = XKeysymToKeycode(GDK_DISPLAY(),
- event->keyval);
- xevent.xkey.same_screen = TRUE; /* FIXME ? */
-
- XSendEvent (gdk_display,
- GDK_WINDOW_XWINDOW (plug->socket_window),
- False, NoEventMask, &xevent);
+ GrabbedKey *grabbed_key = key;
+ GtkPlug *plug = data;
+
+ if (!plug->grabbed_keys ||
+ !g_hash_table_lookup (plug->grabbed_keys, grabbed_key))
+ {
+ send_xembed_message (plug, XEMBED_GTK_UNGRAB_KEY, 0,
+ grabbed_key->accelerator_key, grabbed_key->accelerator_mods,
+ gtk_get_current_event_time ());
+ }
}
-/* Copied from Window, Ughh */
+static void
+keys_foreach (GtkWindow *window,
+ guint keyval,
+ GdkModifierType modifiers,
+ gboolean is_mnemonic,
+ gpointer data)
+{
+ GHashTable *new_grabbed_keys = data;
+ GrabbedKey *key = g_new (GrabbedKey, 1);
-static gint
-gtk_plug_focus_in_event (GtkWidget *widget,
- GdkEventFocus *event)
+ key->accelerator_key = keyval;
+ key->accelerator_mods = modifiers;
+
+ g_hash_table_replace (new_grabbed_keys, key, key);
+}
+
+static void
+gtk_plug_keys_changed (GtkWindow *window)
{
- GtkWindow *window;
- GdkEventFocus fevent;
+ GHashTable *new_grabbed_keys, *old_grabbed_keys;
+ GtkPlug *plug = GTK_PLUG (window);
- g_return_val_if_fail (widget != NULL, FALSE);
- g_return_val_if_fail (GTK_IS_PLUG (widget), FALSE);
- g_return_val_if_fail (event != NULL, FALSE);
+ new_grabbed_keys = g_hash_table_new_full (grabbed_key_hash, grabbed_key_equal, (GDestroyNotify)g_free, NULL);
+ _gtk_window_keys_foreach (window, keys_foreach, new_grabbed_keys);
- /* It appears spurious focus in events can occur when
- * the window is hidden. So we'll just check to see if
- * the window is visible before actually handling the
- * event
+ if (plug->socket_window)
+ g_hash_table_foreach (new_grabbed_keys, add_grabbed_key, plug);
+
+ old_grabbed_keys = plug->grabbed_keys;
+ plug->grabbed_keys = new_grabbed_keys;
+
+ if (old_grabbed_keys)
+ {
+ if (plug->socket_window)
+ g_hash_table_foreach (old_grabbed_keys, remove_grabbed_key, plug);
+ g_hash_table_destroy (old_grabbed_keys);
+ }
+}
+
+static gboolean
+gtk_plug_focus (GtkWidget *widget,
+ GtkDirectionType direction)
+{
+ GtkBin *bin = GTK_BIN (widget);
+ GtkPlug *plug = GTK_PLUG (widget);
+ GtkWindow *window = GTK_WINDOW (widget);
+ GtkContainer *container = GTK_CONTAINER (widget);
+ GtkWidget *old_focus_child = container->focus_child;
+ GtkWidget *parent;
+
+ /* We override GtkWindow's behavior, since we don't want wrapping here.
*/
- if (GTK_WIDGET_VISIBLE (widget))
+ if (old_focus_child)
{
- GTK_OBJECT_SET_FLAGS (widget, GTK_HAS_FOCUS);
- window = GTK_WINDOW (widget);
- if (window->focus_widget && !GTK_WIDGET_HAS_FOCUS (window->focus_widget))
+ if (gtk_widget_child_focus (old_focus_child, direction))
+ return TRUE;
+
+ if (window->focus_widget)
{
- fevent.type = GDK_FOCUS_CHANGE;
- fevent.window = window->focus_widget->window;
- fevent.in = TRUE;
+ /* Wrapped off the end, clear the focus setting for the toplevel */
+ parent = window->focus_widget->parent;
+ while (parent)
+ {
+ gtk_container_set_focus_child (GTK_CONTAINER (parent), NULL);
+ parent = GTK_WIDGET (parent)->parent;
+ }
+
+ gtk_window_set_focus (GTK_WINDOW (container), NULL);
- gtk_widget_event (window->focus_widget, (GdkEvent*) &fevent);
+ if (!GTK_CONTAINER (window)->focus_child)
+ {
+ gint message = -1;
+
+ switch (direction)
+ {
+ case GTK_DIR_UP:
+ case GTK_DIR_LEFT:
+ case GTK_DIR_TAB_BACKWARD:
+ message = XEMBED_FOCUS_PREV;
+ break;
+ case GTK_DIR_DOWN:
+ case GTK_DIR_RIGHT:
+ case GTK_DIR_TAB_FORWARD:
+ message = XEMBED_FOCUS_NEXT;
+ break;
+ }
+
+ send_xembed_message (plug, message, 0, 0, 0,
+ gtk_get_current_event_time ());
+ }
}
+
+ return FALSE;
+ }
+ else
+ {
+ /* Try to focus the first widget in the window */
+
+ if (bin->child && gtk_widget_child_focus (bin->child, direction))
+ return TRUE;
}
return FALSE;
}
-static gint
-gtk_plug_focus_out_event (GtkWidget *widget,
- GdkEventFocus *event)
+static void
+gtk_plug_check_resize (GtkContainer *container)
{
- GtkWindow *window;
- GdkEventFocus fevent;
-
- g_return_val_if_fail (widget != NULL, FALSE);
- g_return_val_if_fail (GTK_IS_PLUG (widget), FALSE);
- g_return_val_if_fail (event != NULL, FALSE);
+ if (GTK_WIDGET_TOPLEVEL (container))
+ GTK_CONTAINER_CLASS (parent_class)->check_resize (container);
+ else
+ GTK_CONTAINER_CLASS (bin_class)->check_resize (container);
+}
- GTK_OBJECT_UNSET_FLAGS (widget, GTK_HAS_FOCUS);
+static void
+send_xembed_message (GtkPlug *plug,
+ glong message,
+ glong detail,
+ glong data1,
+ glong data2,
+ guint32 time)
+{
+ if (plug->socket_window)
+ {
+ GdkDisplay *display = gdk_drawable_get_display (plug->socket_window);
+ XEvent xevent;
- window = GTK_WINDOW (widget);
+ GTK_NOTE(PLUGSOCKET,
+ g_message ("GtkPlug: Sending XEMBED message of type %ld", message));
+
+ xevent.xclient.window = GDK_WINDOW_XWINDOW (plug->socket_window);
+ xevent.xclient.type = ClientMessage;
+ xevent.xclient.message_type = gdk_x11_get_xatom_by_name_for_display (display, "_XEMBED");
+ xevent.xclient.format = 32;
+ xevent.xclient.data.l[0] = time;
+ xevent.xclient.data.l[1] = message;
+ xevent.xclient.data.l[2] = detail;
+ xevent.xclient.data.l[3] = data1;
+ xevent.xclient.data.l[4] = data2;
+
+ gdk_error_trap_push ();
+ XSendEvent (GDK_WINDOW_XDISPLAY(plug->socket_window),
+ GDK_WINDOW_XWINDOW (plug->socket_window),
+ False, NoEventMask, &xevent);
+ gdk_display_sync (display);
+ gdk_error_trap_pop ();
+ }
+}
- if (window->focus_widget && GTK_WIDGET_HAS_FOCUS (window->focus_widget))
+static void
+focus_first_last (GtkPlug *plug,
+ GtkDirectionType direction)
+{
+ GtkWindow *window = GTK_WINDOW (plug);
+ GtkWidget *parent;
+
+ if (window->focus_widget)
{
- fevent.type = GDK_FOCUS_CHANGE;
- fevent.window = window->focus_widget->window;
- fevent.in = FALSE;
+ parent = window->focus_widget->parent;
+ while (parent)
+ {
+ gtk_container_set_focus_child (GTK_CONTAINER (parent), NULL);
+ parent = GTK_WIDGET (parent)->parent;
+ }
+
+ gtk_window_set_focus (GTK_WINDOW (plug), NULL);
+ }
+
+ gtk_widget_child_focus (GTK_WIDGET (plug), direction);
+}
- gtk_widget_event (window->focus_widget, (GdkEvent*) &fevent);
+static void
+handle_modality_on (GtkPlug *plug)
+{
+ if (!plug->modality_window)
+ {
+ plug->modality_window = gtk_window_new (GTK_WINDOW_POPUP);
+ gtk_window_set_screen (GTK_WINDOW (plug->modality_window),
+ gtk_widget_get_screen (GTK_WIDGET (plug)));
+ gtk_widget_realize (plug->modality_window);
+ gtk_window_group_add_window (plug->modality_group, GTK_WINDOW (plug->modality_window));
+ gtk_grab_add (plug->modality_window);
}
+}
- return FALSE;
+static void
+handle_modality_off (GtkPlug *plug)
+{
+ if (plug->modality_window)
+ {
+ gtk_widget_destroy (plug->modality_window);
+ plug->modality_window = NULL;
+ }
}
static void
-gtk_plug_set_focus (GtkWindow *window,
- GtkWidget *focus)
+xembed_set_info (GdkWindow *window,
+ unsigned long flags)
{
- GtkPlug *plug;
- GdkEventFocus event;
+ GdkDisplay *display = gdk_drawable_get_display (window);
+ unsigned long buffer[2];
- g_return_if_fail (window != NULL);
- g_return_if_fail (GTK_IS_PLUG (window));
+ Atom xembed_info_atom = gdk_x11_get_xatom_by_name_for_display (display, "_XEMBED_INFO");
- plug = GTK_PLUG (window);
+ buffer[1] = 0; /* Protocol version */
+ buffer[1] = flags;
- if (focus && !GTK_WIDGET_CAN_FOCUS (focus))
- return;
+ XChangeProperty (GDK_DISPLAY_XDISPLAY (display),
+ GDK_WINDOW_XWINDOW (window),
+ xembed_info_atom, xembed_info_atom, 32,
+ PropModeReplace,
+ (unsigned char *)buffer, 2);
+}
- if (window->focus_widget != focus)
+static void
+handle_xembed_message (GtkPlug *plug,
+ glong message,
+ glong detail,
+ glong data1,
+ glong data2,
+ guint32 time)
+{
+ GtkWindow *window = GTK_WINDOW (plug);
+
+ GTK_NOTE (PLUGSOCKET,
+ g_message ("GtkPlug: Message of type %ld received", message));
+
+ switch (message)
{
- if (window->focus_widget)
+ case XEMBED_EMBEDDED_NOTIFY:
+ break;
+ case XEMBED_WINDOW_ACTIVATE:
+ _gtk_window_set_is_active (window, TRUE);
+ break;
+ case XEMBED_WINDOW_DEACTIVATE:
+ _gtk_window_set_is_active (window, FALSE);
+ break;
+
+ case XEMBED_MODALITY_ON:
+ handle_modality_on (plug);
+ break;
+ case XEMBED_MODALITY_OFF:
+ handle_modality_off (plug);
+ break;
+
+ case XEMBED_FOCUS_IN:
+ _gtk_window_set_has_toplevel_focus (window, TRUE);
+ switch (detail)
{
- event.type = GDK_FOCUS_CHANGE;
- event.window = window->focus_widget->window;
- event.in = FALSE;
-
- gtk_widget_event (window->focus_widget, (GdkEvent*) &event);
+ case XEMBED_FOCUS_FIRST:
+ focus_first_last (plug, GTK_DIR_TAB_FORWARD);
+ break;
+ case XEMBED_FOCUS_LAST:
+ focus_first_last (plug, GTK_DIR_TAB_BACKWARD);
+ break;
+ case XEMBED_FOCUS_CURRENT:
+ break;
}
+ break;
+
+ case XEMBED_FOCUS_OUT:
+ _gtk_window_set_has_toplevel_focus (window, FALSE);
+ break;
+
+ case XEMBED_GRAB_KEY:
+ case XEMBED_UNGRAB_KEY:
+ case XEMBED_GTK_GRAB_KEY:
+ case XEMBED_GTK_UNGRAB_KEY:
+ case XEMBED_REQUEST_FOCUS:
+ case XEMBED_FOCUS_NEXT:
+ case XEMBED_FOCUS_PREV:
+ g_warning ("GtkPlug: Invalid _XEMBED message of type %ld received", message);
+ break;
+
+ default:
+ GTK_NOTE(PLUGSOCKET,
+ g_message ("GtkPlug: Ignoring unknown _XEMBED message of type %ld", message));
+ break;
+ }
+}
- window->focus_widget = focus;
+static GdkFilterReturn
+gtk_plug_filter_func (GdkXEvent *gdk_xevent, GdkEvent *event, gpointer data)
+{
+ GdkScreen *screen = gdk_drawable_get_screen (event->any.window);
+ GdkDisplay *display = gdk_screen_get_display (screen);
+ GtkPlug *plug = GTK_PLUG (data);
+ XEvent *xevent = (XEvent *)gdk_xevent;
- if (window->focus_widget)
+ GdkFilterReturn return_val;
+
+ return_val = GDK_FILTER_CONTINUE;
+
+ switch (xevent->type)
+ {
+ case ClientMessage:
+ if (xevent->xclient.message_type == gdk_x11_get_xatom_by_name_for_display (display, "_XEMBED"))
+ {
+ handle_xembed_message (plug,
+ xevent->xclient.data.l[1],
+ xevent->xclient.data.l[2],
+ xevent->xclient.data.l[3],
+ xevent->xclient.data.l[4],
+ xevent->xclient.data.l[0]);
+
+
+ return GDK_FILTER_REMOVE;
+ }
+ else if (xevent->xclient.message_type == gdk_x11_get_xatom_by_name_for_display (display, "WM_DELETE_WINDOW"))
{
- event.type = GDK_FOCUS_CHANGE;
- event.window = window->focus_widget->window;
- event.in = TRUE;
+ /* We filter these out because we take being reparented back to the
+ * root window as the reliable end of the embedding protocol
+ */
- gtk_widget_event (window->focus_widget, (GdkEvent*) &event);
+ return GDK_FILTER_REMOVE;
}
+ break;
+ case ReparentNotify:
+ {
+ XReparentEvent *xre = &xevent->xreparent;
+ gboolean was_embedded = plug->socket_window != NULL;
+
+ return_val = GDK_FILTER_REMOVE;
+
+ g_object_ref (plug);
+
+ if (was_embedded)
+ {
+ /* End of embedding protocol for previous socket */
+
+ /* FIXME: race if we remove from another socket and
+ * then add to a local window before we get notification
+ * Probably need check in _gtk_plug_add_to_socket
+ */
+
+ if (xre->parent != GDK_WINDOW_XWINDOW (plug->socket_window))
+ {
+ GtkWidget *widget = GTK_WIDGET (plug);
+
+ gdk_window_set_user_data (plug->socket_window, NULL);
+ g_object_unref (plug->socket_window);
+ plug->socket_window = NULL;
+
+ /* Emit a delete window, as if the user attempted
+ * to close the toplevel. Simple as to how we
+ * handle WM_DELETE_WINDOW, if it isn't handled
+ * we destroy the widget. BUt only do this if
+ * we are being reparented to the root window.
+ * Moving from one embedder to another should
+ * be invisible to the app.
+ */
+
+ if (xre->parent == GDK_WINDOW_XWINDOW (gdk_screen_get_root_window (screen)))
+ send_delete_event (widget);
+ }
+ else
+ goto done;
+ }
+
+ if (xre->parent != GDK_WINDOW_XWINDOW (gdk_screen_get_root_window (screen)))
+ {
+ /* Start of embedding protocol */
+
+ plug->socket_window = gdk_window_lookup_for_display (display, xre->parent);
+ if (plug->socket_window)
+ {
+ gpointer user_data = NULL;
+ gdk_window_get_user_data (plug->socket_window, &user_data);
+
+ if (user_data)
+ {
+ g_warning (G_STRLOC "Plug reparented unexpectedly into window in the same process");
+ plug->socket_window = NULL;
+ break;
+ }
+
+ g_object_ref (plug->socket_window);
+ }
+ else
+ {
+ plug->socket_window = gdk_window_foreign_new_for_display (display, xre->parent);
+ if (!plug->socket_window) /* Already gone */
+ break;
+ }
+
+ if (plug->grabbed_keys)
+ g_hash_table_foreach (plug->grabbed_keys, add_grabbed_key_always, plug);
+
+ if (!was_embedded)
+ g_signal_emit (plug, plug_signals[EMBEDDED], 0);
+ }
+
+ done:
+ g_object_unref (plug);
+
+ break;
+ }
}
- /* Ask for focus from parent */
-
- if (focus && !GTK_WIDGET_HAS_FOCUS(window))
- {
- XEvent xevent;
-
- xevent.xfocus.type = FocusIn;
- xevent.xfocus.display = GDK_WINDOW_XDISPLAY (GTK_WIDGET(plug)->window);
- xevent.xfocus.window = GDK_WINDOW_XWINDOW (plug->socket_window);
- xevent.xfocus.mode = EMBEDDED_APP_WANTS_FOCUS;
- xevent.xfocus.detail = FALSE; /* Don't force */
-
- XSendEvent (gdk_display,
- GDK_WINDOW_XWINDOW (plug->socket_window),
- False, NoEventMask, &xevent);
- }
+ return GDK_FILTER_CONTINUE;
}
projects / ~andy / gtk / blobdiff