* 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
- * License along with this library; if not, write to the Free
- * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library. If not, see <http://www.gnu.org/licenses/>.Free
*/
/* By Owen Taylor <otaylor@gtk.org> 98/4/4 */
/*
- * Modified by the GTK+ Team and others 1997-1999. See the AUTHORS
+ * 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/.
*/
-#include "gdkx.h"
-#include "gdk/gdkkeysyms.h"
+#include "config.h"
+
+#include "gtkdebug.h"
+#include "gtkmain.h"
+#include "gtkmarshalers.h"
#include "gtkplug.h"
+#include "gtkintl.h"
+#include "gtkprivate.h"
+#include "gtksocketprivate.h"
+#include "gtkwidgetprivate.h"
+#include "gtkwindowprivate.h"
+#include "gtkxembed.h"
+
+#include <gdk/gdkx.h>
+
+/**
+ * SECTION:gtkplug
+ * @Short_description: Toplevel for embedding into other processes
+ * @Title: GtkPlug
+ * @include: gtk/gtkx.h
+ * @See_also: #GtkSocket
+ *
+ * Together with #GtkSocket, #GtkPlug provides the ability to embed
+ * widgets from one process into another process in a fashion that is
+ * transparent to the user. One process creates a #GtkSocket widget
+ * and passes the ID of that widget's window to the other process,
+ * which then creates a #GtkPlug with that window ID. Any widgets
+ * contained in the #GtkPlug then will appear inside the first
+ * application's window.
+ *
+ * The communication between a #GtkSocket and a #GtkPlug follows the
+ * <ulink url="http://www.freedesktop.org/Standards/xembed-spec">XEmbed</ulink>
+ * protocol. This protocol has also been implemented in other toolkits,
+ * e.g. <application>Qt</application>, allowing the same level of
+ * integration when embedding a <application>Qt</application> widget
+ * in GTK+ or vice versa.
+ *
+ * <note>
+ * The #GtkPlug and #GtkSocket widgets are only available when GTK+
+ * is compiled for the X11 platform and %GDK_WINDOWING_X11 is defined.
+ * They can only be used on a #GdkX11Display. To use #GtkPlug and
+ * #GtkSocket, you need to include the <filename>gtk/gtkx.h</filename>
+ * header.
+ * </note>
+ */
+
+struct _GtkPlugPrivate
+{
+ GtkWidget *modality_window;
+ GtkWindowGroup *modality_group;
+
+ GdkWindow *socket_window;
+
+ GHashTable *grabbed_keys;
+
+ guint same_app : 1;
+};
+
+static void gtk_plug_get_property (GObject *object,
+ guint prop_id,
+ GValue *value,
+ GParamSpec *pspec);
+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 void xembed_set_info (GdkWindow *window,
+ unsigned long flags);
+
+static GtkBinClass *bin_class = NULL;
+
+typedef struct
+{
+ guint accelerator_key;
+ GdkModifierType accelerator_mods;
+} GrabbedKey;
-static void gtk_plug_class_init (GtkPlugClass *klass);
-static void gtk_plug_init (GtkPlug *plug);
+enum {
+ PROP_0,
+ PROP_EMBEDDED,
+ PROP_SOCKET_WINDOW
+};
-static void gtk_plug_realize (GtkWidget *widget);
-static void gtk_plug_unrealize (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);
+enum {
+ EMBEDDED,
+ LAST_SIGNAL
+};
-/* From Tk */
-#define EMBEDDED_APP_WANTS_FOCUS NotifyNormal+20
+static guint plug_signals[LAST_SIGNAL] = { 0 };
-
-static GtkWindowClass *parent_class = NULL;
+G_DEFINE_TYPE (GtkPlug, gtk_plug, GTK_TYPE_WINDOW)
-GtkType
-gtk_plug_get_type ()
+static void
+gtk_plug_get_property (GObject *object,
+ guint prop_id,
+ GValue *value,
+ GParamSpec *pspec)
{
- static GtkType plug_type = 0;
+ GtkPlug *plug = GTK_PLUG (object);
+ GtkPlugPrivate *priv = plug->priv;
- if (!plug_type)
+ switch (prop_id)
{
- static const GtkTypeInfo plug_info =
- {
- "GtkPlug",
- sizeof (GtkPlug),
- sizeof (GtkPlugClass),
- (GtkClassInitFunc) gtk_plug_class_init,
- (GtkObjectInitFunc) gtk_plug_init,
- (GtkArgSetFunc) NULL,
- (GtkArgGetFunc) NULL
- };
-
- plug_type = gtk_type_unique (gtk_window_get_type (), &plug_info);
+ case PROP_EMBEDDED:
+ g_value_set_boolean (value, priv->socket_window != NULL);
+ break;
+ case PROP_SOCKET_WINDOW:
+ g_value_set_object (value, priv->socket_window);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
}
-
- return plug_type;
}
static void
gtk_plug_class_init (GtkPlugClass *class)
{
- GtkWidgetClass *widget_class;
- GtkWindowClass *window_class;
-
- widget_class = (GtkWidgetClass *)class;
- window_class = (GtkWindowClass *)class;
+ GObjectClass *gobject_class = (GObjectClass *)class;
+ GtkWidgetClass *widget_class = (GtkWidgetClass *)class;
+ GtkWindowClass *window_class = (GtkWindowClass *)class;
+ GtkContainerClass *container_class = (GtkContainerClass *)class;
- parent_class = gtk_type_class (gtk_window_get_type ());
+ bin_class = g_type_class_peek (GTK_TYPE_BIN);
+ gobject_class->get_property = gtk_plug_get_property;
+ 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;
+
+ gtk_widget_class_set_accessible_role (widget_class, ATK_ROLE_PANEL);
+
+ container_class->check_resize = gtk_plug_check_resize;
window_class->set_focus = gtk_plug_set_focus;
+ window_class->keys_changed = gtk_plug_keys_changed;
+
+ /**
+ * GtkPlug:embedded:
+ *
+ * %TRUE if the plug is embedded in a socket.
+ *
+ * Since: 2.12
+ */
+ g_object_class_install_property (gobject_class,
+ PROP_EMBEDDED,
+ g_param_spec_boolean ("embedded",
+ P_("Embedded"),
+ P_("Whether the plug is embedded"),
+ FALSE,
+ GTK_PARAM_READABLE));
+
+ /**
+ * GtkPlug:socket-window:
+ *
+ * The window of the socket the plug is embedded in.
+ *
+ * Since: 2.14
+ */
+ g_object_class_install_property (gobject_class,
+ PROP_SOCKET_WINDOW,
+ g_param_spec_object ("socket-window",
+ P_("Socket Window"),
+ P_("The window of the socket the plug is embedded in"),
+ GDK_TYPE_WINDOW,
+ GTK_PARAM_READABLE));
+
+ /**
+ * GtkPlug::embedded:
+ * @plug: the object on which the signal was emitted
+ *
+ * Gets emitted when the plug becomes embedded in a socket.
+ */
+ plug_signals[EMBEDDED] =
+ g_signal_new (I_("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);
+
+ g_type_class_add_private (class, sizeof (GtkPlugPrivate));
}
static void
gtk_plug_init (GtkPlug *plug)
{
- GtkWindow *window;
+ plug->priv = G_TYPE_INSTANCE_GET_PRIVATE (plug,
+ GTK_TYPE_PLUG,
+ GtkPlugPrivate);
+}
+
+/**
+ * gtk_plug_handle_modality_on:
+ * @plug: a #GtkPlug
+ *
+ * Called from the GtkPlug backend when the corresponding socket has
+ * told the plug that it modality has toggled on.
+ */
+static void
+gtk_plug_handle_modality_on (GtkPlug *plug)
+{
+ GtkPlugPrivate *priv = plug->priv;
+
+ if (!priv->modality_window)
+ {
+ priv->modality_window = gtk_window_new (GTK_WINDOW_POPUP);
+ gtk_window_set_screen (GTK_WINDOW (priv->modality_window),
+ gtk_widget_get_screen (GTK_WIDGET (plug)));
+ gtk_widget_realize (priv->modality_window);
+ gtk_window_group_add_window (priv->modality_group, GTK_WINDOW (priv->modality_window));
+ gtk_grab_add (priv->modality_window);
+ }
+}
+
+/**
+ * gtk_plug_handle_modality_off:
+ * @plug: a #GtkPlug
+ *
+ * Called from the GtkPlug backend when the corresponding socket has
+ * told the plug that it modality has toggled off.
+ */
+static void
+gtk_plug_handle_modality_off (GtkPlug *plug)
+{
+ GtkPlugPrivate *priv = plug->priv;
+
+ if (priv->modality_window)
+ {
+ gtk_widget_destroy (priv->modality_window);
+ priv->modality_window = NULL;
+ }
+}
+
+static void
+gtk_plug_set_is_child (GtkPlug *plug,
+ gboolean is_child)
+{
+ GtkPlugPrivate *priv = plug->priv;
+ GtkWidget *widget = GTK_WIDGET (plug);
+
+ g_assert (!gtk_widget_get_parent (widget));
+
+ if (is_child)
+ {
+ if (priv->modality_window)
+ gtk_plug_handle_modality_off (plug);
+
+ if (priv->modality_group)
+ {
+ gtk_window_group_remove_window (priv->modality_group, GTK_WINDOW (plug));
+ g_object_unref (priv->modality_group);
+ priv->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_get_mapped (widget))
+ gtk_widget_unmap (widget);
+
+ _gtk_window_set_is_toplevel (GTK_WINDOW (plug), FALSE);
+ gtk_container_set_resize_mode (GTK_CONTAINER (plug), GTK_RESIZE_PARENT);
+
+ _gtk_widget_propagate_hierarchy_changed (widget, widget);
+ }
+ else
+ {
+ if (gtk_window_get_focus (GTK_WINDOW (plug)))
+ gtk_window_set_focus (GTK_WINDOW (plug), NULL);
+ if (gtk_window_get_default_widget (GTK_WINDOW (plug)))
+ gtk_window_set_default (GTK_WINDOW (plug), NULL);
- window = GTK_WINDOW (plug);
+ priv->modality_group = gtk_window_group_new ();
+ gtk_window_group_add_window (priv->modality_group, GTK_WINDOW (plug));
+
+ _gtk_window_set_is_toplevel (GTK_WINDOW (plug), TRUE);
+ gtk_container_set_resize_mode (GTK_CONTAINER (plug), GTK_RESIZE_QUEUE);
+
+ _gtk_widget_propagate_hierarchy_changed (GTK_WIDGET (plug), NULL);
+ }
+}
+
+/**
+ * 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
+ **/
+Window
+gtk_plug_get_id (GtkPlug *plug)
+{
+ g_return_val_if_fail (GTK_IS_PLUG (plug), 0);
+
+ if (!gtk_widget_get_realized (GTK_WIDGET (plug)))
+ gtk_widget_realize (GTK_WIDGET (plug));
+
+ return GDK_WINDOW_XID (gtk_widget_get_window (GTK_WIDGET (plug)));
+}
+
+/**
+ * gtk_plug_get_embedded:
+ * @plug: a #GtkPlug
+ *
+ * Determines whether the plug is embedded in a socket.
+ *
+ * Return value: %TRUE if the plug is embedded in a socket
+ *
+ * Since: 2.14
+ **/
+gboolean
+gtk_plug_get_embedded (GtkPlug *plug)
+{
+ g_return_val_if_fail (GTK_IS_PLUG (plug), FALSE);
- window->type = GTK_WINDOW_TOPLEVEL;
- window->auto_shrink = TRUE;
+ return plug->priv->socket_window != NULL;
}
+/**
+ * gtk_plug_get_socket_window:
+ * @plug: a #GtkPlug
+ *
+ * Retrieves the socket the plug is embedded in.
+ *
+ * Return value: (transfer none): the window of the socket, or %NULL
+ *
+ * Since: 2.14
+ **/
+GdkWindow *
+gtk_plug_get_socket_window (GtkPlug *plug)
+{
+ g_return_val_if_fail (GTK_IS_PLUG (plug), NULL);
+
+ return plug->priv->socket_window;
+}
+
+/**
+ * _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);
- plug->same_app = TRUE;
+ GtkPlugPrivate *priv;
+ GtkWidget *widget;
+
+ g_return_if_fail (GTK_IS_PLUG (plug));
+ g_return_if_fail (GTK_IS_SOCKET (socket_));
+ g_return_if_fail (gtk_widget_get_realized (GTK_WIDGET (socket_)));
+
+ priv = plug->priv;
+ widget = GTK_WIDGET (plug);
+
+ gtk_plug_set_is_child (plug, TRUE);
+ priv->same_app = TRUE;
+ socket_->priv->same_app = TRUE;
+ socket_->priv->plug_widget = widget;
+
+ priv->socket_window = gtk_widget_get_window (GTK_WIDGET (socket_));
+ g_object_ref (priv->socket_window);
+ g_signal_emit (plug, plug_signals[EMBEDDED], 0);
+ g_object_notify (G_OBJECT (plug), "embedded");
- if (plug->socket_window == NULL)
+ if (gtk_widget_get_realized (widget))
{
- plug->socket_window = gdk_window_foreign_new (socket_id);
- plug->same_app = FALSE;
+ GdkWindow *window;
+
+ window = gtk_widget_get_window (widget);
+ gdk_window_reparent (window, priv->socket_window,
+ -gdk_window_get_width (window),
+ -gdk_window_get_height (window));
}
+
+ gtk_widget_set_parent (widget, GTK_WIDGET (socket_));
+
+ g_signal_emit_by_name (socket_, "plug-added");
}
+/*
+ * gtk_plug_send_delete_event:
+ * @widget: a #GtkWidget
+ *
+ * Send a GDK_DELETE event to the @widget and destroy it if
+ * necessary. Internal GTK function, called from this file or the
+ * backend-specific GtkPlug implementation.
+ */
+static void
+gtk_plug_send_delete_event (GtkWidget *widget)
+{
+ GdkEvent *event = gdk_event_new (GDK_DELETE);
+
+ event->any.window = g_object_ref (gtk_widget_get_window (widget));
+ event->any.send_event = FALSE;
+
+ g_object_ref (widget);
+
+ if (!gtk_widget_event (widget, event))
+ gtk_widget_destroy (widget);
+
+ g_object_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_)
+{
+ GtkPlugPrivate *priv;
+ GtkWidget *widget;
+ GdkWindow *window;
+ 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_get_realized (GTK_WIDGET (plug)));
+
+ priv = plug->priv;
+ widget = GTK_WIDGET (plug);
+
+ if (_gtk_widget_get_in_reparent (widget))
+ return;
+
+ g_object_ref (plug);
+ g_object_ref (socket_);
+
+ widget_was_visible = gtk_widget_get_visible (widget);
+ window = gtk_widget_get_window (widget);
+
+ gdk_window_hide (window);
+ _gtk_widget_set_in_reparent (widget, TRUE);
+ gdk_window_reparent (window,
+ gtk_widget_get_root_window (widget),
+ 0, 0);
+ gtk_widget_unparent (GTK_WIDGET (plug));
+ _gtk_widget_set_in_reparent (widget, FALSE);
+
+ socket_->priv->plug_widget = NULL;
+ if (socket_->priv->plug_window != NULL)
+ {
+ g_object_unref (socket_->priv->plug_window);
+ socket_->priv->plug_window = NULL;
+ }
+
+ socket_->priv->same_app = FALSE;
+
+ priv->same_app = FALSE;
+ if (priv->socket_window != NULL)
+ {
+ g_object_unref (priv->socket_window);
+ priv->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_));
+
+ if (window)
+ gtk_plug_send_delete_event (widget);
+
+ g_object_unref (plug);
+
+ if (widget_was_visible && gtk_widget_get_visible (GTK_WIDGET (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,
+ Window 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,
+ Window socket_id)
+{
+ GtkPlugPrivate *priv;
+
+ g_return_if_fail (GTK_IS_PLUG (plug));
+ g_return_if_fail (GDK_IS_DISPLAY (display));
+
+ priv = plug->priv;
+
+ if (socket_id)
+ {
+ gpointer user_data = NULL;
+
+ if (GDK_IS_X11_DISPLAY (display))
+ priv->socket_window = gdk_x11_window_lookup_for_display (display, socket_id);
+ else
+ priv->socket_window = NULL;
+
+ if (priv->socket_window)
+ {
+ gdk_window_get_user_data (priv->socket_window, &user_data);
+
+ 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");
+ priv->socket_window = NULL;
+ }
+ }
+ else
+ g_object_ref (priv->socket_window);
+ }
+ else if (GDK_IS_X11_DISPLAY (display))
+ priv->socket_window = gdk_x11_window_foreign_new_for_display (display, socket_id);
+
+ if (priv->socket_window) {
+ g_signal_emit (plug, plug_signals[EMBEDDED], 0);
+
+ g_object_notify (G_OBJECT (plug), "embedded");
+ }
+ }
+}
+
+/**
+ * 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 (Window 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,
+ Window socket_id)
{
GtkPlug *plug;
- plug = GTK_PLUG (gtk_type_new (gtk_plug_get_type ()));
- gtk_plug_construct (plug, socket_id);
+ g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
+
+ plug = g_object_new (GTK_TYPE_PLUG, NULL);
+ gtk_plug_construct_for_display (plug, display, socket_id);
return GTK_WIDGET (plug);
}
+static void
+gtk_plug_finalize (GObject *object)
+{
+ GtkPlug *plug = GTK_PLUG (object);
+ GtkPlugPrivate *priv = plug->priv;
+
+ if (priv->grabbed_keys)
+ g_hash_table_destroy (priv->grabbed_keys);
+
+ G_OBJECT_CLASS (gtk_plug_parent_class)->finalize (object);
+}
+
static void
gtk_plug_unrealize (GtkWidget *widget)
{
- GtkPlug *plug;
+ GtkPlug *plug = GTK_PLUG (widget);
+ GtkPlugPrivate *priv = plug->priv;
- g_return_if_fail (widget != NULL);
- g_return_if_fail (GTK_IS_PLUG (widget));
+ if (priv->socket_window != NULL)
+ {
+ gtk_widget_unregister_window (widget, priv->socket_window);
+ g_object_unref (priv->socket_window);
+ priv->socket_window = NULL;
- plug = GTK_PLUG (widget);
+ g_object_notify (G_OBJECT (widget), "embedded");
+ }
- if (plug->socket_window != NULL)
+ if (!priv->same_app)
{
- gdk_window_set_user_data (plug->socket_window, NULL);
- gdk_window_unref (plug->socket_window);
- plug->socket_window = NULL;
+ if (priv->modality_window)
+ gtk_plug_handle_modality_off (plug);
+
+ gtk_window_group_remove_window (priv->modality_group, GTK_WINDOW (plug));
+ g_object_unref (priv->modality_group);
}
- if (GTK_WIDGET_CLASS (parent_class)->unrealize)
- (* GTK_WIDGET_CLASS (parent_class)->unrealize) (widget);
+ GTK_WIDGET_CLASS (gtk_plug_parent_class)->unrealize (widget);
+}
+
+static void
+xembed_set_info (GdkWindow *window,
+ unsigned long flags)
+{
+ GdkDisplay *display = gdk_window_get_display (window);
+ unsigned long buffer[2];
+
+ Atom xembed_info_atom = gdk_x11_get_xatom_by_name_for_display (display, "_XEMBED_INFO");
+
+ buffer[0] = GTK_XEMBED_PROTOCOL_VERSION;
+ buffer[1] = flags;
+
+ XChangeProperty (GDK_DISPLAY_XDISPLAY (display),
+ GDK_WINDOW_XID (window),
+ xembed_info_atom, xembed_info_atom, 32,
+ PropModeReplace,
+ (unsigned char *)buffer, 2);
}
+/**
+ * gtk_plug_focus_first_last:
+ * @plug: a #GtkPlug
+ * @direction: a direction
+ *
+ * Called from the GtkPlug backend when the corresponding socket has
+ * told the plug that it has received the focus.
+ */
+static void
+gtk_plug_focus_first_last (GtkPlug *plug,
+ GtkDirectionType direction)
+{
+ GtkWindow *window = GTK_WINDOW (plug);
+ GtkWidget *focus_widget;
+ GtkWidget *parent;
+
+ focus_widget = gtk_window_get_focus (window);
+ if (focus_widget)
+ {
+ parent = gtk_widget_get_parent (focus_widget);
+ while (parent)
+ {
+ gtk_container_set_focus_child (GTK_CONTAINER (parent), NULL);
+ parent = gtk_widget_get_parent (parent);
+ }
+
+ gtk_window_set_focus (GTK_WINDOW (plug), NULL);
+ }
+
+ gtk_widget_child_focus (GTK_WIDGET (plug), direction);
+}
+
+static void
+handle_xembed_message (GtkPlug *plug,
+ XEmbedMessageType message,
+ glong detail,
+ glong data1,
+ glong data2,
+ guint32 time)
+{
+ GtkWindow *window = GTK_WINDOW (plug);
+
+ GTK_NOTE (PLUGSOCKET,
+ g_message ("GtkPlug: %s received", _gtk_xembed_message_name (message)));
+
+ switch (message)
+ {
+ 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:
+ gtk_plug_handle_modality_on (plug);
+ break;
+ case XEMBED_MODALITY_OFF:
+ gtk_plug_handle_modality_off (plug);
+ break;
+
+ case XEMBED_FOCUS_IN:
+ _gtk_window_set_has_toplevel_focus (window, TRUE);
+ switch (detail)
+ {
+ case XEMBED_FOCUS_FIRST:
+ gtk_plug_focus_first_last (plug, GTK_DIR_TAB_FORWARD);
+ break;
+ case XEMBED_FOCUS_LAST:
+ gtk_plug_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 %s received", _gtk_xembed_message_name (message));
+ break;
+
+ default:
+ GTK_NOTE(PLUGSOCKET,
+ g_message ("GtkPlug: Ignoring unknown _XEMBED message of type %d", message));
+ break;
+ }
+}
+static GdkFilterReturn
+gtk_plug_filter_func (GdkXEvent *gdk_xevent,
+ GdkEvent *event,
+ gpointer data)
+{
+ GdkScreen *screen = gdk_window_get_screen (event->any.window);
+ GdkDisplay *display = gdk_screen_get_display (screen);
+ GtkPlug *plug = GTK_PLUG (data);
+ GtkPlugPrivate *priv = plug->priv;
+ XEvent *xevent = (XEvent *)gdk_xevent;
+ GHashTableIter iter;
+ gpointer key;
+ 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"))
+ {
+ _gtk_xembed_push_message (xevent);
+ 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]);
+ _gtk_xembed_pop_message ();
+
+ return_val = GDK_FILTER_REMOVE;
+ }
+ else if (xevent->xclient.message_type == gdk_x11_get_xatom_by_name_for_display (display, "WM_DELETE_WINDOW"))
+ {
+ /* We filter these out because we take being reparented back to the
+ * root window as the reliable end of the embedding protocol
+ */
+
+ return_val = GDK_FILTER_REMOVE;
+ }
+ break;
+ case ReparentNotify:
+ {
+ XReparentEvent *xre = &xevent->xreparent;
+ gboolean was_embedded = priv->socket_window != NULL;
+
+ GTK_NOTE (PLUGSOCKET, g_message("GtkPlug: ReparentNotify received"));
+
+ return_val = GDK_FILTER_REMOVE;
+
+ g_object_ref (plug);
+
+ if (was_embedded)
+ {
+ /* End of embedding protocol for previous socket */
+
+ GTK_NOTE (PLUGSOCKET, g_message ("GtkPlug: end of embedding"));
+ /* 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_XID (priv->socket_window))
+ {
+ GtkWidget *widget = GTK_WIDGET (plug);
+
+ gtk_widget_unregister_window (widget, priv->socket_window);
+ g_object_unref (priv->socket_window);
+ priv->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_XID (gdk_screen_get_root_window (screen)))
+ {
+ GTK_NOTE (PLUGSOCKET, g_message ("GtkPlug: calling gtk_plug_send_delete_event()"));
+ gtk_plug_send_delete_event (widget);
+
+ g_object_notify (G_OBJECT (plug), "embedded");
+ }
+ }
+ else
+ goto done;
+ }
+
+ if (xre->parent != GDK_WINDOW_XID (gdk_screen_get_root_window (screen)))
+ {
+ /* Start of embedding protocol */
+
+ GTK_NOTE (PLUGSOCKET, g_message ("GtkPlug: start of embedding"));
+
+ priv->socket_window = gdk_x11_window_lookup_for_display (display, xre->parent);
+ if (priv->socket_window)
+ {
+ gpointer user_data = NULL;
+ gdk_window_get_user_data (priv->socket_window, &user_data);
+
+ if (user_data)
+ {
+ g_warning (G_STRLOC "Plug reparented unexpectedly into window in the same process");
+ priv->socket_window = NULL;
+ break; /* FIXME: shouldn't this unref the plug? i.e. "goto done;" instead */
+ }
+
+ g_object_ref (priv->socket_window);
+ }
+ else
+ {
+ priv->socket_window = gdk_x11_window_foreign_new_for_display (display, xre->parent);
+ if (!priv->socket_window) /* Already gone */
+ break; /* FIXME: shouldn't this unref the plug? i.e. "goto done;" instead */
+ }
+
+ if (priv->grabbed_keys)
+ {
+ g_hash_table_iter_init (&iter, priv->grabbed_keys);
+ while (g_hash_table_iter_next (&iter, &key, NULL))
+ {
+ GrabbedKey *grabbed_key = key;
+
+ _gtk_xembed_send_message (priv->socket_window, XEMBED_GTK_GRAB_KEY, 0,
+ grabbed_key->accelerator_key,
+ grabbed_key->accelerator_mods);
+ }
+ }
+
+ if (!was_embedded)
+ g_signal_emit_by_name (plug, "embedded");
+
+ g_object_notify (G_OBJECT (plug), "embedded");
+ }
+
+ done:
+ g_object_unref (plug);
+
+ break;
+ }
+ case KeyPress:
+ case KeyRelease:
+ {
+ GdkModifierType state, consumed;
+ GdkDeviceManager *device_manager;
+ GdkDevice *pointer, *keyboard;
+ GdkKeymap *keymap;
+
+ if (xevent->type == KeyPress)
+ event->key.type = GDK_KEY_PRESS;
+ else
+ event->key.type = GDK_KEY_RELEASE;
+
+ event->key.window = gdk_x11_window_lookup_for_display (display, xevent->xany.window);
+ event->key.send_event = TRUE;
+ event->key.time = xevent->xkey.time;
+ event->key.state = (GdkModifierType) xevent->xkey.state;
+ event->key.hardware_keycode = xevent->xkey.keycode;
+ event->key.keyval = GDK_KEY_VoidSymbol;
+
+ device_manager = gdk_display_get_device_manager (display);
+ pointer = gdk_device_manager_get_client_pointer (device_manager);
+ keyboard = gdk_device_get_associated_device (pointer);
+ gdk_event_set_device (event, keyboard);
+
+ keymap = gdk_keymap_get_for_display (display);
+
+ event->key.group = gdk_x11_keymap_get_group_for_state (keymap, xevent->xkey.state);
+ event->key.is_modifier = gdk_x11_keymap_key_is_modifier (keymap, event->key.hardware_keycode);
+
+ gdk_keymap_translate_keyboard_state (keymap,
+ event->key.hardware_keycode,
+ event->key.state,
+ event->key.group,
+ &event->key.keyval,
+ NULL, NULL, &consumed);
+
+ state = event->key.state & ~consumed;
+ gdk_keymap_add_virtual_modifiers (keymap, &state);
+ event->key.state |= state;
+
+ event->key.length = 0;
+ event->key.string = g_strdup ("");
+
+ return_val = GDK_FILTER_TRANSLATE;
+ }
+ }
+
+ return return_val;
+}
static void
gtk_plug_realize (GtkWidget *widget)
{
- GtkWindow *window;
- GtkPlug *plug;
+ GtkAllocation allocation;
+ GtkPlug *plug = GTK_PLUG (widget);
+ GtkPlugPrivate *priv = plug->priv;
+ GtkWindow *window = GTK_WINDOW (widget);
+ GdkWindow *gdk_window;
GdkWindowAttr attributes;
+ const gchar *title;
+ gchar *wmclass_name, *wmclass_class;
gint attributes_mask;
- g_return_if_fail (widget != NULL);
- g_return_if_fail (GTK_IS_PLUG (widget));
+ gtk_widget_set_realized (widget, TRUE);
- GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
- window = GTK_WINDOW (widget);
- plug = GTK_PLUG (widget);
+ title = gtk_window_get_title (window);
+ _gtk_window_get_wmclass (window, &wmclass_name, &wmclass_class);
+ gtk_widget_get_allocation (widget, &allocation);
attributes.window_type = GDK_WINDOW_CHILD; /* XXX GDK_WINDOW_PLUG ? */
- attributes.title = window->title;
- attributes.wmclass_name = window->wmclass_name;
- attributes.wmclass_class = window->wmclass_class;
- attributes.width = widget->allocation.width;
- attributes.height = widget->allocation.height;
+ attributes.title = (gchar *) title;
+ attributes.wmclass_name = wmclass_name;
+ attributes.wmclass_class = wmclass_class;
+ attributes.width = allocation.width;
+ attributes.height = allocation.height;
attributes.wclass = GDK_INPUT_OUTPUT;
/* this isn't right - we should match our parent's visual/colormap.
* though that will require handling "foreign" colormaps */
attributes.visual = gtk_widget_get_visual (widget);
- attributes.colormap = gtk_widget_get_colormap (widget);
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);
+ attributes_mask = GDK_WA_VISUAL;
+ attributes_mask |= (title ? GDK_WA_TITLE : 0);
+ attributes_mask |= (wmclass_name ? GDK_WA_WMCLASS : 0);
- gdk_error_trap_push ();
- widget->window = gdk_window_new (plug->socket_window,
- &attributes, attributes_mask);
- gdk_flush ();
- if (gdk_error_trap_pop ()) /* Uh-oh */
+ if (gtk_widget_is_toplevel (widget))
{
+ attributes.window_type = GDK_WINDOW_TOPLEVEL;
+
gdk_error_trap_push ();
- gdk_window_destroy (widget->window);
- gdk_flush ();
- gdk_error_trap_pop ();
- widget->window = gdk_window_new (NULL, &attributes, attributes_mask);
+ if (priv->socket_window)
+ gdk_window = gdk_window_new (priv->socket_window,
+ &attributes, attributes_mask);
+ else /* If it's a passive plug, we use the root window */
+ gdk_window = gdk_window_new (gtk_widget_get_root_window (widget),
+ &attributes, attributes_mask);
+ gtk_widget_set_window (widget, gdk_window);
+
+ gdk_display_sync (gtk_widget_get_display (widget));
+ if (gdk_error_trap_pop ()) /* Uh-oh */
+ {
+ gdk_error_trap_push ();
+ gdk_window_destroy (gdk_window);
+ gdk_error_trap_pop_ignored ();
+ gdk_window = gdk_window_new (gtk_widget_get_root_window (widget),
+ &attributes, attributes_mask);
+ gtk_widget_set_window (widget, gdk_window);
+ }
+
+ gdk_window_add_filter (gdk_window,
+ gtk_plug_filter_func,
+ widget);
+
+ priv->modality_group = gtk_window_group_new ();
+ gtk_window_group_add_window (priv->modality_group, window);
+
+ xembed_set_info (gtk_widget_get_window (GTK_WIDGET (plug)), 0);
}
-
- GDK_DRAWABLE_TYPE (window) = GDK_WINDOW_TOPLEVEL;
- gdk_window_set_user_data (widget->window, window);
+ else
+ {
+ gdk_window = gdk_window_new (gtk_widget_get_parent_window (widget),
+ &attributes, attributes_mask);
+ gtk_widget_set_window (widget, gdk_window);
+ }
+
+ gtk_widget_register_window (widget, gdk_window);
- widget->style = gtk_style_attach (widget->style, widget->window);
- gtk_style_set_background (widget->style, widget->window, GTK_STATE_NORMAL);
+ gtk_style_context_set_background (gtk_widget_get_style_context (widget),
+ gdk_window);
}
-static gint
-gtk_plug_key_press_event (GtkWidget *widget,
- GdkEventKey *event)
+static void
+gtk_plug_show (GtkWidget *widget)
{
- GtkWindow *window;
- GtkPlug *plug;
- GtkDirectionType direction = 0;
- gint return_val;
+ if (gtk_widget_is_toplevel (widget))
+ GTK_WIDGET_CLASS (gtk_plug_parent_class)->show (widget);
+ else
+ GTK_WIDGET_CLASS (bin_class)->show (widget);
+}
- 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 void
+gtk_plug_hide (GtkWidget *widget)
+{
+ if (gtk_widget_is_toplevel (widget))
+ GTK_WIDGET_CLASS (gtk_plug_parent_class)->hide (widget);
+ else
+ GTK_WIDGET_CLASS (bin_class)->hide (widget);
+}
- window = GTK_WINDOW (widget);
- plug = GTK_PLUG (widget);
+/* From gdkinternals.h */
+void gdk_synthesize_window_state (GdkWindow *window,
+ GdkWindowState unset_flags,
+ GdkWindowState set_flags);
- if (!GTK_WIDGET_HAS_FOCUS(widget))
+static void
+gtk_plug_map (GtkWidget *widget)
+{
+ if (gtk_widget_is_toplevel (widget))
{
- gtk_plug_forward_key_press (plug, event);
- return TRUE;
- }
+ GtkBin *bin = GTK_BIN (widget);
+ GtkPlug *plug = GTK_PLUG (widget);
+ GtkWidget *child;
- return_val = FALSE;
- if (window->focus_widget)
- return_val = gtk_widget_event (window->focus_widget, (GdkEvent*) event);
+ gtk_widget_set_mapped (widget, TRUE);
-#if 0
- if (!return_val && gtk_window_check_accelerator (window, event->keyval, event->state))
- return_val = TRUE;
-#endif
-
- if (!return_val)
+ child = gtk_bin_get_child (bin);
+ if (child != NULL &&
+ gtk_widget_get_visible (child) &&
+ !gtk_widget_get_mapped (child))
+ gtk_widget_map (child);
+
+ xembed_set_info (gtk_widget_get_window (GTK_WIDGET (plug)), XEMBED_MAPPED);
+
+ gdk_synthesize_window_state (gtk_widget_get_window (widget),
+ GDK_WINDOW_STATE_WITHDRAWN,
+ 0);
+ }
+ else
+ GTK_WIDGET_CLASS (bin_class)->map (widget);
+}
+
+static void
+gtk_plug_unmap (GtkWidget *widget)
+{
+ if (gtk_widget_is_toplevel (widget))
{
- 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 &&
- (!window->focus_widget ||
- !GTK_WIDGET_RECEIVES_DEFAULT (window->focus_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 */
- }
+ GtkPlug *plug = GTK_PLUG (widget);
+ GdkWindow *window;
+ GtkWidget *child;
- gtk_container_focus (GTK_CONTAINER (widget), direction);
+ window = gtk_widget_get_window (widget);
- if (!GTK_CONTAINER (window)->focus_child)
- {
- gtk_window_set_focus (GTK_WINDOW (widget), NULL);
-
- gdk_error_trap_push ();
-#ifdef GDK_WINDOWING_X11
- XSetInputFocus (GDK_DISPLAY (),
- GDK_WINDOW_XWINDOW (plug->socket_window),
- RevertToParent, event->time);
-#elif defined (GDK_WINDOWING_WIN32)
- SetFocus (GDK_WINDOW_XWINDOW (plug->socket_window));
-#endif
- gdk_flush ();
- gdk_error_trap_pop ();
-
- gtk_plug_forward_key_press (plug, event);
- }
+ gtk_widget_set_mapped (widget, FALSE);
- return_val = TRUE;
+ gdk_window_hide (window);
- break;
- }
- }
+ child = gtk_bin_get_child (GTK_BIN (widget));
+ if (child != NULL)
+ gtk_widget_unmap (child);
- return return_val;
+ xembed_set_info (gtk_widget_get_window (GTK_WIDGET (plug)), 0);
+
+ gdk_synthesize_window_state (window,
+ 0,
+ GDK_WINDOW_STATE_WITHDRAWN);
+ }
+ else
+ GTK_WIDGET_CLASS (bin_class)->unmap (widget);
}
static void
-gtk_plug_forward_key_press (GtkPlug *plug, GdkEventKey *event)
+gtk_plug_size_allocate (GtkWidget *widget,
+ GtkAllocation *allocation)
{
-#ifdef GDK_WINDOWING_X11
- 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 ? */
-
- gdk_error_trap_push ();
- XSendEvent (gdk_display,
- GDK_WINDOW_XWINDOW (plug->socket_window),
- False, NoEventMask, &xevent);
- gdk_flush ();
- gdk_error_trap_pop ();
-#elif defined (GDK_WINDOWING_WIN32)
- /* This is pretty bogus, and not tested at all. */
- WPARAM wParam;
- LPARAM lParam;
- gboolean no_WM_CHAR = TRUE;
-
- lParam = 0;
- switch (event->keyval)
+ GtkWidget *child;
+
+ if (gtk_widget_is_toplevel (widget))
+ GTK_WIDGET_CLASS (gtk_plug_parent_class)->size_allocate (widget, allocation);
+ else
{
- case GDK_Cancel:
- wParam = VK_CANCEL; break;
- case GDK_BackSpace:
- wParam = VK_BACK; break;
- case GDK_Tab:
- wParam = VK_TAB; break;
- case GDK_Clear:
- wParam = VK_CLEAR; break;
- case GDK_Return:
- wParam = VK_RETURN; break;
- case GDK_Shift_L:
- wParam = VK_SHIFT; break;
- case GDK_Control_L:
- wParam = VK_CONTROL; break;
- case GDK_Control_R:
- wParam = VK_CONTROL; lParam |= 0x01000000; break;
- case GDK_Alt_L:
- wParam = VK_MENU; break;
- case GDK_Alt_R:
- wParam = VK_MENU; lParam |= 0x01000000; break;
- case GDK_Pause:
- wParam = VK_PAUSE; break;
- case GDK_Caps_Lock:
- wParam = VK_CAPITAL; break;
- case GDK_Escape:
- wParam = VK_ESCAPE; break;
- case GDK_Prior:
- wParam = VK_PRIOR; break;
- case GDK_Next:
- wParam = VK_NEXT; break;
- case GDK_End:
- wParam = VK_END; break;
- case GDK_Home:
- wParam = VK_HOME; break;
- case GDK_Left:
- wParam = VK_LEFT; break;
- case GDK_Up:
- wParam = VK_UP; break;
- case GDK_Right:
- wParam = VK_RIGHT; break;
- case GDK_Down:
- wParam = VK_DOWN; break;
- case GDK_Select:
- wParam = VK_SELECT; break;
- case GDK_Print:
- wParam = VK_PRINT; break;
- case GDK_Execute:
- wParam = VK_EXECUTE; break;
- case GDK_Insert:
- wParam = VK_INSERT; break;
- case GDK_Delete:
- wParam = VK_DELETE; break;
- case GDK_Help:
- wParam = VK_HELP; break;
- case GDK_KP_0:
- wParam = VK_NUMPAD0; break;
- case GDK_KP_1:
- wParam = VK_NUMPAD1; break;
- case GDK_KP_2:
- wParam = VK_NUMPAD2; break;
- case GDK_KP_3:
- wParam = VK_NUMPAD3; break;
- case GDK_KP_4:
- wParam = VK_NUMPAD4; break;
- case GDK_KP_5:
- wParam = VK_NUMPAD5; break;
- case GDK_KP_6:
- wParam = VK_NUMPAD6; break;
- case GDK_KP_7:
- wParam = VK_NUMPAD7; break;
- case GDK_KP_8:
- wParam = VK_NUMPAD8; break;
- case GDK_KP_9:
- wParam = VK_NUMPAD9; break;
- case GDK_KP_Multiply:
- wParam = VK_MULTIPLY; break;
- case GDK_KP_Add:
- wParam = VK_ADD; break;
- case GDK_KP_Separator:
- wParam = VK_SEPARATOR; break;
- case GDK_KP_Subtract:
- wParam = VK_SUBTRACT; break;
- case GDK_KP_Decimal:
- wParam = VK_DECIMAL; break;
- case GDK_KP_Divide:
- wParam = VK_DIVIDE; break;
- case GDK_F1:
- wParam = VK_F1; break;
- case GDK_F2:
- wParam = VK_F2; break;
- case GDK_F3:
- wParam = VK_F3; break;
- case GDK_F4:
- wParam = VK_F4; break;
- case GDK_F5:
- wParam = VK_F5; break;
- case GDK_F6:
- wParam = VK_F6; break;
- case GDK_F7:
- wParam = VK_F7; break;
- case GDK_F8:
- wParam = VK_F8; break;
- case GDK_F9:
- wParam = VK_F9; break;
- case GDK_F10:
- wParam = VK_F10; break;
- case GDK_F11:
- wParam = VK_F11; break;
- case GDK_F12:
- wParam = VK_F12; break;
- case GDK_F13:
- wParam = VK_F13; break;
- case GDK_F14:
- wParam = VK_F14; break;
- case GDK_F15:
- wParam = VK_F15; break;
- case GDK_F16:
- wParam = VK_F16; break;
- default:
- wParam = event->keyval;
- no_WM_CHAR = FALSE;
- break;
- }
-
- PostMessage (GDK_WINDOW_XWINDOW (plug->socket_window),
- WM_KEYDOWN, wParam, lParam);
- if (!no_WM_CHAR)
- PostMessage (GDK_WINDOW_XWINDOW (plug->socket_window),
- WM_CHAR, wParam, lParam);
- PostMessage (GDK_WINDOW_XWINDOW (plug->socket_window),
- WM_KEYUP, wParam, lParam);
-#endif
-}
+ GtkBin *bin = GTK_BIN (widget);
-/* Copied from Window, Ughh */
+ gtk_widget_set_allocation (widget, allocation);
-static gint
-gtk_plug_focus_in_event (GtkWidget *widget,
- GdkEventFocus *event)
-{
- GtkWindow *window;
- GdkEventFocus fevent;
+ if (gtk_widget_get_realized (widget))
+ gdk_window_move_resize (gtk_widget_get_window (widget),
+ allocation->x, allocation->y,
+ allocation->width, allocation->height);
- 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);
+ child = gtk_bin_get_child (bin);
- /* 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 (GTK_WIDGET_VISIBLE (widget))
- {
- GTK_OBJECT_SET_FLAGS (widget, GTK_HAS_FOCUS);
- window = GTK_WINDOW (widget);
- if (window->focus_widget && !GTK_WIDGET_HAS_FOCUS (window->focus_widget))
+ if (child != NULL && gtk_widget_get_visible (child))
{
- fevent.type = GDK_FOCUS_CHANGE;
- fevent.window = window->focus_widget->window;
- fevent.in = TRUE;
-
- gtk_widget_event (window->focus_widget, (GdkEvent*) &fevent);
+ GtkAllocation child_allocation;
+
+ child_allocation.x = child_allocation.y = gtk_container_get_border_width (GTK_CONTAINER (widget));
+ 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 (child, &child_allocation);
}
+
}
+}
+static gboolean
+gtk_plug_key_press_event (GtkWidget *widget,
+ GdkEventKey *event)
+{
+ if (gtk_widget_is_toplevel (widget))
+ return GTK_WIDGET_CLASS (gtk_plug_parent_class)->key_press_event (widget, event);
+ else
+ return 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;
}
-static gint
-gtk_plug_focus_out_event (GtkWidget *widget,
- GdkEventFocus *event)
+static void
+gtk_plug_set_focus (GtkWindow *window,
+ GtkWidget *focus)
{
- GtkWindow *window;
- GdkEventFocus fevent;
+ GtkPlug *plug = GTK_PLUG (window);
+ GtkPlugPrivate *priv = plug->priv;
- 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);
+ GTK_WINDOW_CLASS (gtk_plug_parent_class)->set_focus (window, focus);
+
+ /* Ask for focus from embedder
+ */
- GTK_OBJECT_UNSET_FLAGS (widget, GTK_HAS_FOCUS);
+ if (focus && !gtk_window_has_toplevel_focus (window))
+ _gtk_xembed_send_message (priv->socket_window,
+ XEMBED_REQUEST_FOCUS, 0, 0, 0);
+}
- window = GTK_WINDOW (widget);
+static guint
+grabbed_key_hash (gconstpointer a)
+{
+ const GrabbedKey *key = a;
+ guint h;
+
+ h = key->accelerator_key << 16;
+ h ^= key->accelerator_key >> 16;
+ h ^= key->accelerator_mods;
- if (window->focus_widget && GTK_WIDGET_HAS_FOCUS (window->focus_widget))
- {
- fevent.type = GDK_FOCUS_CHANGE;
- fevent.window = window->focus_widget->window;
- fevent.in = FALSE;
+ return h;
+}
+
+static gboolean
+grabbed_key_equal (gconstpointer a, gconstpointer b)
+{
+ const GrabbedKey *keya = a;
+ const GrabbedKey *keyb = b;
+
+ return (keya->accelerator_key == keyb->accelerator_key &&
+ keya->accelerator_mods == keyb->accelerator_mods);
+}
+
+static void
+add_grabbed_key (gpointer key, gpointer val, gpointer data)
+{
+ GrabbedKey *grabbed_key = key;
+ GtkPlug *plug = data;
+ GtkPlugPrivate *priv = plug->priv;
- gtk_widget_event (window->focus_widget, (GdkEvent*) &fevent);
+ if (!priv->grabbed_keys ||
+ !g_hash_table_lookup (priv->grabbed_keys, grabbed_key))
+ {
+ _gtk_xembed_send_message (priv->socket_window, XEMBED_GTK_GRAB_KEY, 0,
+ grabbed_key->accelerator_key,
+ grabbed_key->accelerator_mods);
}
+}
- return FALSE;
+static void
+remove_grabbed_key (gpointer key, gpointer val, gpointer data)
+{
+ GrabbedKey *grabbed_key = key;
+ GtkPlug *plug = data;
+ GtkPlugPrivate *priv = plug->priv;
+
+ if (!priv->grabbed_keys ||
+ !g_hash_table_lookup (priv->grabbed_keys, grabbed_key))
+ {
+ _gtk_xembed_send_message (priv->socket_window, XEMBED_GTK_UNGRAB_KEY, 0,
+ grabbed_key->accelerator_key,
+ grabbed_key->accelerator_mods);
+ }
}
static void
-gtk_plug_set_focus (GtkWindow *window,
- GtkWidget *focus)
+keys_foreach (GtkWindow *window,
+ guint keyval,
+ GdkModifierType modifiers,
+ gboolean is_mnemonic,
+ gpointer data)
{
- GtkPlug *plug;
- GdkEventFocus event;
+ GHashTable *new_grabbed_keys = data;
+ GrabbedKey *key = g_slice_new (GrabbedKey);
- g_return_if_fail (window != NULL);
- g_return_if_fail (GTK_IS_PLUG (window));
+ key->accelerator_key = keyval;
+ key->accelerator_mods = modifiers;
+
+ g_hash_table_replace (new_grabbed_keys, key, key);
+}
- plug = GTK_PLUG (window);
+static void
+grabbed_key_free (gpointer data)
+{
+ g_slice_free (GrabbedKey, data);
+}
- if (focus && !GTK_WIDGET_CAN_FOCUS (focus))
- return;
+static void
+gtk_plug_keys_changed (GtkWindow *window)
+{
+ GHashTable *new_grabbed_keys, *old_grabbed_keys;
+ GtkPlug *plug = GTK_PLUG (window);
+ GtkPlugPrivate *priv = plug->priv;
- if (window->focus_widget != focus)
- {
- if (window->focus_widget)
- {
- event.type = GDK_FOCUS_CHANGE;
- event.window = window->focus_widget->window;
- event.in = FALSE;
+ new_grabbed_keys = g_hash_table_new_full (grabbed_key_hash, grabbed_key_equal, (GDestroyNotify)grabbed_key_free, NULL);
+ _gtk_window_keys_foreach (window, keys_foreach, new_grabbed_keys);
- gtk_widget_event (window->focus_widget, (GdkEvent*) &event);
- }
+ if (priv->socket_window)
+ g_hash_table_foreach (new_grabbed_keys, add_grabbed_key, plug);
- window->focus_widget = focus;
+ old_grabbed_keys = priv->grabbed_keys;
+ priv->grabbed_keys = new_grabbed_keys;
- if (window->focus_widget)
- {
- event.type = GDK_FOCUS_CHANGE;
- event.window = window->focus_widget->window;
- event.in = TRUE;
+ if (old_grabbed_keys)
+ {
+ if (priv->socket_window)
+ g_hash_table_foreach (old_grabbed_keys, remove_grabbed_key, plug);
+ g_hash_table_destroy (old_grabbed_keys);
+ }
+}
- gtk_widget_event (window->focus_widget, (GdkEvent*) &event);
- }
+static void
+gtk_plug_focus_to_parent (GtkPlug *plug,
+ GtkDirectionType direction)
+{
+ GtkPlugPrivate *priv = plug->priv;
+ XEmbedMessageType message;
+
+ 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;
+ default:
+ g_assert_not_reached ();
+ message = XEMBED_FOCUS_PREV;
+ break;
}
- /* Ask for focus from parent */
+ _gtk_xembed_send_focus_message (priv->socket_window, message, 0);
+}
- if (focus && !GTK_WIDGET_HAS_FOCUS(window))
+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 *child;
+ GtkWidget *old_focus_child;
+ GtkWidget *parent;
+
+ old_focus_child = gtk_container_get_focus_child (container);
+ /* We override GtkWindow's behavior, since we don't want wrapping here.
+ */
+ if (old_focus_child)
{
-#ifdef GDK_WINDOWING_X11
- XEvent xevent;
+ GtkWidget *focus_widget;
- 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 */
+ if (gtk_widget_child_focus (old_focus_child, direction))
+ return TRUE;
- gdk_error_trap_push ();
- XSendEvent (gdk_display,
- GDK_WINDOW_XWINDOW (plug->socket_window),
- False, NoEventMask, &xevent);
- gdk_flush ();
- gdk_error_trap_pop ();
-#elif defined (GDK_WINDOWING_WIN32)
- /* XXX Not implemented */
-#endif
+ focus_widget = gtk_window_get_focus (window);
+ if (focus_widget)
+ {
+ /* Wrapped off the end, clear the focus setting for the toplevel */
+ parent = gtk_widget_get_parent (focus_widget);
+ while (parent)
+ {
+ gtk_container_set_focus_child (GTK_CONTAINER (parent), NULL);
+ parent = gtk_widget_get_parent (parent);
+ }
+
+ gtk_window_set_focus (GTK_WINDOW (container), NULL);
+ }
+ }
+ else
+ {
+ /* Try to focus the first widget in the window */
+ child = gtk_bin_get_child (bin);
+ if (child && gtk_widget_child_focus (child, direction))
+ return TRUE;
}
+
+ if (!gtk_container_get_focus_child (GTK_CONTAINER (window)))
+ gtk_plug_focus_to_parent (plug, direction);
+
+ return FALSE;
}
+
+static void
+gtk_plug_check_resize (GtkContainer *container)
+{
+ if (gtk_widget_is_toplevel (GTK_WIDGET (container)))
+ GTK_CONTAINER_CLASS (gtk_plug_parent_class)->check_resize (container);
+ else
+ GTK_CONTAINER_CLASS (bin_class)->check_resize (container);
+}
+