1626 lines
46 KiB
C
1626 lines
46 KiB
C
/* GTK - The GIMP Toolkit
|
||
* 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 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
|
||
* Lesser General Public License for more details.
|
||
*
|
||
* 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
|
||
*/
|
||
|
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/* By Owen Taylor <otaylor@gtk.org> 98/4/4 */
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||
|
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/*
|
||
* 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
|
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* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
|
||
*/
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||
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||
#include "config.h"
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|
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#include "gtksocketprivate.h"
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||
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#include <string.h>
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||
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||
#include "gtkmarshalers.h"
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||
#include "gtksizerequest.h"
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#include "gtkplug.h"
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#include "gtkprivate.h"
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#include "gtkrender.h"
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#include "gtkdnd.h"
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||
#include "gtkdragdest.h"
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#include "gtkdebug.h"
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#include "gtkintl.h"
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#include "gtkmain.h"
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#include "gtkwidgetprivate.h"
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|
||
#include <gdk/gdkx.h>
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#include <gdk/gdkprivate.h>
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||
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#ifdef HAVE_XFIXES
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#include <X11/extensions/Xfixes.h>
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||
#endif
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#include "gtkxembed.h"
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/**
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||
* SECTION:gtksocket
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* @Short_description: Container for widgets from other processes
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||
* @Title: GtkSocket
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* @include: gtk/gtkx.h
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* @See_also: #GtkPlug, [XEmbed Protocol](http://www.freedesktop.org/Standards/xembed-spec)
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*
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||
* Together with #GtkPlug, #GtkSocket provides the ability to embed
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||
* widgets from one process into another process in a fashion that
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||
* is transparent to the user. One process creates a #GtkSocket widget
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* and passes that widget’s window ID to the other process, which then
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* creates a #GtkPlug with that window ID. Any widgets contained in the
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* #GtkPlug then will appear inside the first application’s window.
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||
*
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* The socket’s window ID is obtained by using gtk_socket_get_id().
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* Before using this function, the socket must have been realized,
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* and for hence, have been added to its parent.
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*
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* ## Obtaining the window ID of a socket.
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*
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* |[<!-- language="C" -->
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* GtkWidget *socket = gtk_socket_new ();
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* gtk_widget_show (socket);
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* gtk_container_add (GTK_CONTAINER (parent), socket);
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*
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* // The following call is only necessary if one of
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* // the ancestors of the socket is not yet visible.
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* gtk_widget_realize (socket);
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* g_print ("The ID of the sockets window is %#x\n",
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* gtk_socket_get_id (socket));
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||
* ]|
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||
*
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||
* Note that if you pass the window ID of the socket to another
|
||
* process that will create a plug in the socket, you must make
|
||
* sure that the socket widget is not destroyed until that plug
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||
* is created. Violating this rule will cause unpredictable
|
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* consequences, the most likely consequence being that the plug
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* will appear as a separate toplevel window. You can check if
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* the plug has been created by using gtk_socket_get_plug_window().
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||
* If it returns a non-%NULL value, then the plug has been
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||
* successfully created inside of the socket.
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||
*
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||
* When GTK+ is notified that the embedded window has been destroyed,
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||
* then it will destroy the socket as well. You should always,
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||
* therefore, be prepared for your sockets to be destroyed at any
|
||
* time when the main event loop is running. To prevent this from
|
||
* happening, you can connect to the #GtkSocket::plug-removed signal.
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||
*
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||
* The communication between a #GtkSocket and a #GtkPlug follows the
|
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* [XEmbed Protocol](http://www.freedesktop.org/Standards/xembed-spec).
|
||
* This protocol has also been implemented in other toolkits, e.g. Qt,
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||
* allowing the same level of integration when embedding a Qt widget
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* in GTK or vice versa.
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||
*
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||
* The #GtkPlug and #GtkSocket widgets are only available when GTK+
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* is compiled for the X11 platform and %GDK_WINDOWING_X11 is defined.
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||
* They can only be used on a #GdkX11Display. To use #GtkPlug and
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||
* #GtkSocket, you need to include the `gtk/gtkx.h` header.
|
||
*/
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||
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||
/* Forward declararations */
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||
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static void gtk_socket_finalize (GObject *object);
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||
static void gtk_socket_notify (GObject *object,
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||
GParamSpec *pspec);
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||
static void gtk_socket_realize (GtkWidget *widget);
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||
static void gtk_socket_unrealize (GtkWidget *widget);
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||
static void gtk_socket_get_preferred_width (GtkWidget *widget,
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||
gint *minimum,
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||
gint *natural);
|
||
static void gtk_socket_get_preferred_height (GtkWidget *widget,
|
||
gint *minimum,
|
||
gint *natural);
|
||
static void gtk_socket_size_allocate (GtkWidget *widget,
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||
GtkAllocation *allocation);
|
||
static void gtk_socket_hierarchy_changed (GtkWidget *widget,
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||
GtkWidget *old_toplevel);
|
||
static void gtk_socket_grab_notify (GtkWidget *widget,
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gboolean was_grabbed);
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||
static gboolean gtk_socket_key_event (GtkWidget *widget,
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||
GdkEventKey *event);
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||
static gboolean gtk_socket_focus (GtkWidget *widget,
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||
GtkDirectionType direction);
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||
static void gtk_socket_remove (GtkContainer *container,
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||
GtkWidget *widget);
|
||
static void gtk_socket_forall (GtkContainer *container,
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||
gboolean include_internals,
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||
GtkCallback callback,
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||
gpointer callback_data);
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||
static void gtk_socket_add_window (GtkSocket *socket,
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||
Window xid,
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||
gboolean need_reparent);
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static GdkFilterReturn gtk_socket_filter_func (GdkXEvent *gdk_xevent,
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GdkEvent *event,
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||
gpointer data);
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static gboolean xembed_get_info (GdkWindow *gdk_window,
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||
unsigned long *version,
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||
unsigned long *flags);
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||
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||
/* From Tk */
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||
#define EMBEDDED_APP_WANTS_FOCUS NotifyNormal+20
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||
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||
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/* Local data */
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||
|
||
typedef struct
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||
{
|
||
guint accel_key;
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||
GdkModifierType accel_mods;
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||
} GrabbedKey;
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||
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||
enum {
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||
PLUG_ADDED,
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PLUG_REMOVED,
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LAST_SIGNAL
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||
};
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||
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static guint socket_signals[LAST_SIGNAL] = { 0 };
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||
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G_DEFINE_TYPE_WITH_PRIVATE (GtkSocket, gtk_socket, GTK_TYPE_CONTAINER)
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||
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||
static void
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gtk_socket_finalize (GObject *object)
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||
{
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||
GtkSocket *socket = GTK_SOCKET (object);
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||
GtkSocketPrivate *priv = socket->priv;
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||
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||
g_object_unref (priv->accel_group);
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||
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||
G_OBJECT_CLASS (gtk_socket_parent_class)->finalize (object);
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}
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static gboolean
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gtk_socket_draw (GtkWidget *widget,
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cairo_t *cr)
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||
{
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||
gtk_render_background (gtk_widget_get_style_context (widget), cr,
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||
0, 0,
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||
gtk_widget_get_allocated_width (widget),
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gtk_widget_get_allocated_height (widget));
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||
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return GTK_WIDGET_CLASS (gtk_socket_parent_class)->draw (widget, cr);
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||
}
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||
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||
static void
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gtk_socket_class_init (GtkSocketClass *class)
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{
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||
GtkWidgetClass *widget_class;
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GtkContainerClass *container_class;
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GObjectClass *gobject_class;
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||
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||
gobject_class = (GObjectClass *) class;
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||
widget_class = (GtkWidgetClass*) class;
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container_class = (GtkContainerClass*) class;
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||
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gobject_class->finalize = gtk_socket_finalize;
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gobject_class->notify = gtk_socket_notify;
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||
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widget_class->realize = gtk_socket_realize;
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widget_class->unrealize = gtk_socket_unrealize;
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widget_class->get_preferred_width = gtk_socket_get_preferred_width;
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widget_class->get_preferred_height = gtk_socket_get_preferred_height;
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widget_class->size_allocate = gtk_socket_size_allocate;
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widget_class->hierarchy_changed = gtk_socket_hierarchy_changed;
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widget_class->grab_notify = gtk_socket_grab_notify;
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widget_class->key_press_event = gtk_socket_key_event;
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widget_class->key_release_event = gtk_socket_key_event;
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||
widget_class->focus = gtk_socket_focus;
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||
widget_class->draw = gtk_socket_draw;
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||
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||
/* We don't want to show_all the in-process plug, if any.
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*/
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widget_class->show_all = gtk_widget_show;
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container_class->remove = gtk_socket_remove;
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container_class->forall = gtk_socket_forall;
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||
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||
/**
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* GtkSocket::plug-added:
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* @socket_: the object which received the signal
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*
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||
* This signal is emitted when a client is successfully
|
||
* added to the socket.
|
||
*/
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||
socket_signals[PLUG_ADDED] =
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g_signal_new (I_("plug-added"),
|
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G_OBJECT_CLASS_TYPE (class),
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G_SIGNAL_RUN_LAST,
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G_STRUCT_OFFSET (GtkSocketClass, plug_added),
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NULL, NULL,
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NULL,
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||
G_TYPE_NONE, 0);
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||
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||
/**
|
||
* GtkSocket::plug-removed:
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||
* @socket_: the object which received the signal
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*
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* This signal is emitted when a client is removed from the socket.
|
||
* The default action is to destroy the #GtkSocket widget, so if you
|
||
* want to reuse it you must add a signal handler that returns %TRUE.
|
||
*
|
||
* Returns: %TRUE to stop other handlers from being invoked.
|
||
*/
|
||
socket_signals[PLUG_REMOVED] =
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g_signal_new (I_("plug-removed"),
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G_OBJECT_CLASS_TYPE (class),
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G_SIGNAL_RUN_LAST,
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G_STRUCT_OFFSET (GtkSocketClass, plug_removed),
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_gtk_boolean_handled_accumulator, NULL,
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_gtk_marshal_BOOLEAN__VOID,
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G_TYPE_BOOLEAN, 0);
|
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}
|
||
|
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static void
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gtk_socket_init (GtkSocket *socket)
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||
{
|
||
GtkSocketPrivate *priv;
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||
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priv = gtk_socket_get_instance_private (socket);
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socket->priv = priv;
|
||
|
||
priv->request_width = 0;
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priv->request_height = 0;
|
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priv->current_width = 0;
|
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priv->current_height = 0;
|
||
|
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priv->plug_window = NULL;
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priv->plug_widget = NULL;
|
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priv->focus_in = FALSE;
|
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priv->have_size = FALSE;
|
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priv->need_map = FALSE;
|
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priv->active = FALSE;
|
||
|
||
priv->accel_group = gtk_accel_group_new ();
|
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g_object_set_data (G_OBJECT (priv->accel_group), I_("gtk-socket"), socket);
|
||
}
|
||
|
||
/**
|
||
* gtk_socket_new:
|
||
*
|
||
* Create a new empty #GtkSocket.
|
||
*
|
||
* Returns: the new #GtkSocket.
|
||
**/
|
||
GtkWidget*
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||
gtk_socket_new (void)
|
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{
|
||
GtkSocket *socket;
|
||
|
||
socket = g_object_new (GTK_TYPE_SOCKET, NULL);
|
||
|
||
return GTK_WIDGET (socket);
|
||
}
|
||
|
||
/**
|
||
* gtk_socket_add_id:
|
||
* @socket_: a #GtkSocket
|
||
* @window: the Window of a client participating in the XEMBED protocol.
|
||
*
|
||
* Adds an XEMBED client, such as a #GtkPlug, to the #GtkSocket. The
|
||
* client may be in the same process or in a different process.
|
||
*
|
||
* To embed a #GtkPlug in a #GtkSocket, you can either create the
|
||
* #GtkPlug with `gtk_plug_new (0)`, call
|
||
* gtk_plug_get_id() to get the window ID of the plug, and then pass that to the
|
||
* gtk_socket_add_id(), or you can call gtk_socket_get_id() to get the
|
||
* window ID for the socket, and call gtk_plug_new() passing in that
|
||
* ID.
|
||
*
|
||
* The #GtkSocket must have already be added into a toplevel window
|
||
* before you can make this call.
|
||
**/
|
||
void
|
||
gtk_socket_add_id (GtkSocket *socket,
|
||
Window window)
|
||
{
|
||
g_return_if_fail (GTK_IS_SOCKET (socket));
|
||
g_return_if_fail (_gtk_widget_get_anchored (GTK_WIDGET (socket)));
|
||
|
||
if (!gtk_widget_get_realized (GTK_WIDGET (socket)))
|
||
gtk_widget_realize (GTK_WIDGET (socket));
|
||
|
||
gtk_socket_add_window (socket, window, TRUE);
|
||
}
|
||
|
||
/**
|
||
* gtk_socket_get_id:
|
||
* @socket_: a #GtkSocket.
|
||
*
|
||
* Gets the window ID of a #GtkSocket widget, which can then
|
||
* be used to create a client embedded inside the socket, for
|
||
* instance with gtk_plug_new().
|
||
*
|
||
* The #GtkSocket must have already be added into a toplevel window
|
||
* before you can make this call.
|
||
*
|
||
* Returns: the window ID for the socket
|
||
**/
|
||
Window
|
||
gtk_socket_get_id (GtkSocket *socket)
|
||
{
|
||
g_return_val_if_fail (GTK_IS_SOCKET (socket), 0);
|
||
g_return_val_if_fail (_gtk_widget_get_anchored (GTK_WIDGET (socket)), 0);
|
||
|
||
if (!gtk_widget_get_realized (GTK_WIDGET (socket)))
|
||
gtk_widget_realize (GTK_WIDGET (socket));
|
||
|
||
return GDK_WINDOW_XID (gtk_widget_get_window (GTK_WIDGET (socket)));
|
||
}
|
||
|
||
/**
|
||
* gtk_socket_get_plug_window:
|
||
* @socket_: a #GtkSocket.
|
||
*
|
||
* Retrieves the window of the plug. Use this to check if the plug has
|
||
* been created inside of the socket.
|
||
*
|
||
* Returns: (nullable) (transfer none): the window of the plug if
|
||
* available, or %NULL
|
||
*
|
||
* Since: 2.14
|
||
**/
|
||
GdkWindow*
|
||
gtk_socket_get_plug_window (GtkSocket *socket)
|
||
{
|
||
g_return_val_if_fail (GTK_IS_SOCKET (socket), NULL);
|
||
|
||
return socket->priv->plug_window;
|
||
}
|
||
|
||
static void
|
||
gtk_socket_realize (GtkWidget *widget)
|
||
{
|
||
GtkAllocation allocation;
|
||
GdkWindow *window;
|
||
GdkWindowAttr attributes;
|
||
XWindowAttributes xattrs;
|
||
gint attributes_mask;
|
||
GdkScreen *screen;
|
||
|
||
gtk_widget_set_realized (widget, TRUE);
|
||
|
||
screen = gtk_widget_get_screen (widget);
|
||
if (!GDK_IS_X11_SCREEN (screen))
|
||
g_warning ("GtkSocket: only works under X11");
|
||
|
||
gtk_widget_get_allocation (widget, &allocation);
|
||
|
||
attributes.window_type = GDK_WINDOW_CHILD;
|
||
attributes.x = allocation.x;
|
||
attributes.y = allocation.y;
|
||
attributes.width = allocation.width;
|
||
attributes.height = allocation.height;
|
||
attributes.wclass = GDK_INPUT_OUTPUT;
|
||
attributes.visual = gtk_widget_get_visual (widget);
|
||
attributes.event_mask = GDK_FOCUS_CHANGE_MASK;
|
||
|
||
attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL;
|
||
|
||
window = gdk_window_new (gtk_widget_get_parent_window (widget),
|
||
&attributes, attributes_mask);
|
||
gtk_widget_set_window (widget, window);
|
||
gtk_widget_register_window (widget, window);
|
||
|
||
XGetWindowAttributes (GDK_WINDOW_XDISPLAY (window),
|
||
GDK_WINDOW_XID (window),
|
||
&xattrs);
|
||
|
||
/* Sooooo, it turns out that mozilla, as per the gtk2xt code selects
|
||
for input on the socket with a mask of 0x0fffff (for god knows why)
|
||
which includes ButtonPressMask causing a BadAccess if someone else
|
||
also selects for this. As per the client-side windows merge we always
|
||
normally selects for button press so we can emulate it on client
|
||
side children that selects for button press. However, we don't need
|
||
this for GtkSocket, so we unselect it here, fixing the crashes in
|
||
firefox. */
|
||
XSelectInput (GDK_WINDOW_XDISPLAY (window),
|
||
GDK_WINDOW_XID (window),
|
||
(xattrs.your_event_mask & ~ButtonPressMask) |
|
||
SubstructureNotifyMask | SubstructureRedirectMask);
|
||
|
||
gdk_window_add_filter (window,
|
||
gtk_socket_filter_func,
|
||
widget);
|
||
|
||
/* We sync here so that we make sure that if the XID for
|
||
* our window is passed to another application, SubstructureRedirectMask
|
||
* will be set by the time the other app creates its window.
|
||
*/
|
||
gdk_display_sync (gtk_widget_get_display (widget));
|
||
}
|
||
|
||
/**
|
||
* gtk_socket_end_embedding:
|
||
* @socket: a #GtkSocket
|
||
*
|
||
* Called to end the embedding of a plug in the socket.
|
||
*/
|
||
static void
|
||
gtk_socket_end_embedding (GtkSocket *socket)
|
||
{
|
||
GtkSocketPrivate *private = socket->priv;
|
||
|
||
g_object_unref (private->plug_window);
|
||
private->plug_window = NULL;
|
||
private->current_width = 0;
|
||
private->current_height = 0;
|
||
private->resize_count = 0;
|
||
|
||
gtk_accel_group_disconnect (private->accel_group, NULL);
|
||
}
|
||
|
||
static void
|
||
gtk_socket_unrealize (GtkWidget *widget)
|
||
{
|
||
GtkSocket *socket = GTK_SOCKET (widget);
|
||
GtkSocketPrivate *private = socket->priv;
|
||
|
||
gtk_widget_set_realized (widget, FALSE);
|
||
|
||
if (private->plug_widget)
|
||
{
|
||
_gtk_plug_remove_from_socket (GTK_PLUG (private->plug_widget), socket);
|
||
}
|
||
else if (private->plug_window)
|
||
{
|
||
gtk_socket_end_embedding (socket);
|
||
}
|
||
|
||
GTK_WIDGET_CLASS (gtk_socket_parent_class)->unrealize (widget);
|
||
}
|
||
|
||
static void
|
||
gtk_socket_size_request (GtkSocket *socket)
|
||
{
|
||
GtkSocketPrivate *private = socket->priv;
|
||
XSizeHints hints;
|
||
long supplied;
|
||
|
||
gdk_error_trap_push ();
|
||
|
||
private->request_width = 1;
|
||
private->request_height = 1;
|
||
|
||
if (XGetWMNormalHints (GDK_WINDOW_XDISPLAY (private->plug_window),
|
||
GDK_WINDOW_XID (private->plug_window),
|
||
&hints, &supplied))
|
||
{
|
||
if (hints.flags & PMinSize)
|
||
{
|
||
private->request_width = MAX (hints.min_width, 1);
|
||
private->request_height = MAX (hints.min_height, 1);
|
||
}
|
||
else if (hints.flags & PBaseSize)
|
||
{
|
||
private->request_width = MAX (hints.base_width, 1);
|
||
private->request_height = MAX (hints.base_height, 1);
|
||
}
|
||
}
|
||
private->have_size = TRUE;
|
||
|
||
gdk_error_trap_pop_ignored ();
|
||
}
|
||
|
||
static void
|
||
gtk_socket_get_preferred_width (GtkWidget *widget,
|
||
gint *minimum,
|
||
gint *natural)
|
||
{
|
||
GtkSocket *socket = GTK_SOCKET (widget);
|
||
GtkSocketPrivate *private = socket->priv;
|
||
|
||
if (private->plug_widget)
|
||
{
|
||
gtk_widget_get_preferred_width (private->plug_widget, minimum, natural);
|
||
}
|
||
else
|
||
{
|
||
if (private->is_mapped && !private->have_size && private->plug_window)
|
||
gtk_socket_size_request (socket);
|
||
|
||
if (private->is_mapped && private->have_size)
|
||
*minimum = *natural = MAX (private->request_width, 1);
|
||
else
|
||
*minimum = *natural = 1;
|
||
}
|
||
}
|
||
|
||
static void
|
||
gtk_socket_get_preferred_height (GtkWidget *widget,
|
||
gint *minimum,
|
||
gint *natural)
|
||
{
|
||
GtkSocket *socket = GTK_SOCKET (widget);
|
||
GtkSocketPrivate *private = socket->priv;
|
||
|
||
if (private->plug_widget)
|
||
{
|
||
gtk_widget_get_preferred_height (private->plug_widget, minimum, natural);
|
||
}
|
||
else
|
||
{
|
||
if (private->is_mapped && !private->have_size && private->plug_window)
|
||
gtk_socket_size_request (socket);
|
||
|
||
if (private->is_mapped && private->have_size)
|
||
*minimum = *natural = MAX (private->request_height, 1);
|
||
else
|
||
*minimum = *natural = 1;
|
||
}
|
||
}
|
||
|
||
static void
|
||
gtk_socket_send_configure_event (GtkSocket *socket)
|
||
{
|
||
GtkAllocation allocation;
|
||
XConfigureEvent xconfigure;
|
||
gint x, y;
|
||
|
||
g_return_if_fail (socket->priv->plug_window != NULL);
|
||
|
||
memset (&xconfigure, 0, sizeof (xconfigure));
|
||
xconfigure.type = ConfigureNotify;
|
||
|
||
xconfigure.event = GDK_WINDOW_XID (socket->priv->plug_window);
|
||
xconfigure.window = GDK_WINDOW_XID (socket->priv->plug_window);
|
||
|
||
/* The ICCCM says that synthetic events should have root relative
|
||
* coordinates. We still aren't really ICCCM compliant, since
|
||
* we don't send events when the real toplevel is moved.
|
||
*/
|
||
gdk_error_trap_push ();
|
||
gdk_window_get_origin (socket->priv->plug_window, &x, &y);
|
||
gdk_error_trap_pop_ignored ();
|
||
|
||
gtk_widget_get_allocation (GTK_WIDGET(socket), &allocation);
|
||
xconfigure.x = x;
|
||
xconfigure.y = y;
|
||
xconfigure.width = allocation.width;
|
||
xconfigure.height = allocation.height;
|
||
|
||
xconfigure.border_width = 0;
|
||
xconfigure.above = None;
|
||
xconfigure.override_redirect = False;
|
||
|
||
gdk_error_trap_push ();
|
||
XSendEvent (GDK_WINDOW_XDISPLAY (socket->priv->plug_window),
|
||
GDK_WINDOW_XID (socket->priv->plug_window),
|
||
False, NoEventMask, (XEvent *)&xconfigure);
|
||
gdk_error_trap_pop_ignored ();
|
||
}
|
||
|
||
static void
|
||
gtk_socket_size_allocate (GtkWidget *widget,
|
||
GtkAllocation *allocation)
|
||
{
|
||
GtkSocket *socket = GTK_SOCKET (widget);
|
||
GtkSocketPrivate *private = socket->priv;
|
||
|
||
gtk_widget_set_allocation (widget, allocation);
|
||
if (gtk_widget_get_realized (widget))
|
||
{
|
||
gdk_window_move_resize (gtk_widget_get_window (widget),
|
||
allocation->x, allocation->y,
|
||
allocation->width, allocation->height);
|
||
|
||
if (private->plug_widget)
|
||
{
|
||
GtkAllocation child_allocation;
|
||
|
||
child_allocation.x = 0;
|
||
child_allocation.y = 0;
|
||
child_allocation.width = allocation->width;
|
||
child_allocation.height = allocation->height;
|
||
|
||
gtk_widget_size_allocate (private->plug_widget, &child_allocation);
|
||
}
|
||
else if (private->plug_window)
|
||
{
|
||
gdk_error_trap_push ();
|
||
|
||
if (allocation->width != private->current_width ||
|
||
allocation->height != private->current_height)
|
||
{
|
||
gdk_window_move_resize (private->plug_window,
|
||
0, 0,
|
||
allocation->width, allocation->height);
|
||
if (private->resize_count)
|
||
private->resize_count--;
|
||
|
||
GTK_NOTE (PLUGSOCKET,
|
||
g_message ("GtkSocket - allocated: %d %d",
|
||
allocation->width, allocation->height));
|
||
private->current_width = allocation->width;
|
||
private->current_height = allocation->height;
|
||
}
|
||
|
||
if (private->need_map)
|
||
{
|
||
gdk_window_show (private->plug_window);
|
||
private->need_map = FALSE;
|
||
}
|
||
|
||
while (private->resize_count)
|
||
{
|
||
gtk_socket_send_configure_event (socket);
|
||
private->resize_count--;
|
||
GTK_NOTE (PLUGSOCKET,
|
||
g_message ("GtkSocket - sending synthetic configure: %d %d",
|
||
allocation->width, allocation->height));
|
||
}
|
||
|
||
gdk_error_trap_pop_ignored ();
|
||
}
|
||
}
|
||
}
|
||
|
||
static void
|
||
gtk_socket_send_key_event (GtkSocket *socket,
|
||
GdkEvent *gdk_event,
|
||
gboolean mask_key_presses)
|
||
{
|
||
XKeyEvent xkey;
|
||
GdkScreen *screen = gdk_window_get_screen (socket->priv->plug_window);
|
||
|
||
memset (&xkey, 0, sizeof (xkey));
|
||
xkey.type = (gdk_event->type == GDK_KEY_PRESS) ? KeyPress : KeyRelease;
|
||
xkey.window = GDK_WINDOW_XID (socket->priv->plug_window);
|
||
xkey.root = GDK_WINDOW_XID (gdk_screen_get_root_window (screen));
|
||
xkey.subwindow = None;
|
||
xkey.time = gdk_event->key.time;
|
||
xkey.x = 0;
|
||
xkey.y = 0;
|
||
xkey.x_root = 0;
|
||
xkey.y_root = 0;
|
||
xkey.state = gdk_event->key.state;
|
||
xkey.keycode = gdk_event->key.hardware_keycode;
|
||
xkey.same_screen = True;/* FIXME ? */
|
||
|
||
gdk_error_trap_push ();
|
||
XSendEvent (GDK_WINDOW_XDISPLAY (socket->priv->plug_window),
|
||
GDK_WINDOW_XID (socket->priv->plug_window),
|
||
False,
|
||
(mask_key_presses ? KeyPressMask : NoEventMask),
|
||
(XEvent *)&xkey);
|
||
gdk_error_trap_pop_ignored ();
|
||
}
|
||
|
||
static gboolean
|
||
activate_key (GtkAccelGroup *accel_group,
|
||
GObject *acceleratable,
|
||
guint accel_key,
|
||
GdkModifierType accel_mods,
|
||
GrabbedKey *grabbed_key)
|
||
{
|
||
GdkEvent *gdk_event = gtk_get_current_event ();
|
||
|
||
GtkSocket *socket = g_object_get_data (G_OBJECT (accel_group), "gtk-socket");
|
||
gboolean retval = FALSE;
|
||
|
||
if (gdk_event && gdk_event->type == GDK_KEY_PRESS && socket->priv->plug_window)
|
||
{
|
||
gtk_socket_send_key_event (socket, gdk_event, FALSE);
|
||
retval = TRUE;
|
||
}
|
||
|
||
if (gdk_event)
|
||
gdk_event_free (gdk_event);
|
||
|
||
return retval;
|
||
}
|
||
|
||
static gboolean
|
||
find_accel_key (GtkAccelKey *key,
|
||
GClosure *closure,
|
||
gpointer data)
|
||
{
|
||
GrabbedKey *grabbed_key = data;
|
||
|
||
return (key->accel_key == grabbed_key->accel_key &&
|
||
key->accel_mods == grabbed_key->accel_mods);
|
||
}
|
||
|
||
/**
|
||
* gtk_socket_add_grabbed_key:
|
||
* @socket: a #GtkSocket
|
||
* @keyval: a key
|
||
* @modifiers: modifiers for the key
|
||
*
|
||
* Called from the GtkSocket platform-specific backend when the
|
||
* corresponding plug has told the socket to grab a key.
|
||
*/
|
||
static void
|
||
gtk_socket_add_grabbed_key (GtkSocket *socket,
|
||
guint keyval,
|
||
GdkModifierType modifiers)
|
||
{
|
||
GClosure *closure;
|
||
GrabbedKey *grabbed_key;
|
||
|
||
grabbed_key = g_new (GrabbedKey, 1);
|
||
|
||
grabbed_key->accel_key = keyval;
|
||
grabbed_key->accel_mods = modifiers;
|
||
|
||
if (gtk_accel_group_find (socket->priv->accel_group,
|
||
find_accel_key,
|
||
&grabbed_key))
|
||
{
|
||
g_warning ("GtkSocket: request to add already present grabbed key %u,%#x",
|
||
keyval, modifiers);
|
||
g_free (grabbed_key);
|
||
return;
|
||
}
|
||
|
||
closure = g_cclosure_new (G_CALLBACK (activate_key), grabbed_key, (GClosureNotify)g_free);
|
||
|
||
gtk_accel_group_connect (socket->priv->accel_group, keyval, modifiers, GTK_ACCEL_LOCKED,
|
||
closure);
|
||
}
|
||
|
||
/**
|
||
* gtk_socket_remove_grabbed_key:
|
||
* @socket: a #GtkSocket
|
||
* @keyval: a key
|
||
* @modifiers: modifiers for the key
|
||
*
|
||
* Called from the GtkSocket backend when the corresponding plug has
|
||
* told the socket to remove a key grab.
|
||
*/
|
||
static void
|
||
gtk_socket_remove_grabbed_key (GtkSocket *socket,
|
||
guint keyval,
|
||
GdkModifierType modifiers)
|
||
{
|
||
if (!gtk_accel_group_disconnect_key (socket->priv->accel_group, keyval, modifiers))
|
||
g_warning ("GtkSocket: request to remove non-present grabbed key %u,%#x",
|
||
keyval, modifiers);
|
||
}
|
||
|
||
static void
|
||
socket_update_focus_in (GtkSocket *socket)
|
||
{
|
||
GtkSocketPrivate *private = socket->priv;
|
||
gboolean focus_in = FALSE;
|
||
|
||
if (private->plug_window)
|
||
{
|
||
GtkWidget *toplevel = gtk_widget_get_toplevel (GTK_WIDGET (socket));
|
||
|
||
if (gtk_widget_is_toplevel (toplevel) &&
|
||
gtk_window_has_toplevel_focus (GTK_WINDOW (toplevel)) &&
|
||
gtk_widget_is_focus (GTK_WIDGET (socket)))
|
||
focus_in = TRUE;
|
||
}
|
||
|
||
if (focus_in != private->focus_in)
|
||
{
|
||
private->focus_in = focus_in;
|
||
|
||
if (focus_in)
|
||
_gtk_xembed_send_focus_message (private->plug_window,
|
||
XEMBED_FOCUS_IN, XEMBED_FOCUS_CURRENT);
|
||
else
|
||
_gtk_xembed_send_message (private->plug_window,
|
||
XEMBED_FOCUS_OUT, 0, 0, 0);
|
||
}
|
||
}
|
||
|
||
static void
|
||
socket_update_active (GtkSocket *socket)
|
||
{
|
||
GtkSocketPrivate *private = socket->priv;
|
||
gboolean active = FALSE;
|
||
|
||
if (private->plug_window)
|
||
{
|
||
GtkWidget *toplevel = gtk_widget_get_toplevel (GTK_WIDGET (socket));
|
||
|
||
if (gtk_widget_is_toplevel (toplevel) &&
|
||
gtk_window_is_active (GTK_WINDOW (toplevel)))
|
||
active = TRUE;
|
||
}
|
||
|
||
if (active != private->active)
|
||
{
|
||
private->active = active;
|
||
|
||
_gtk_xembed_send_message (private->plug_window,
|
||
active ? XEMBED_WINDOW_ACTIVATE : XEMBED_WINDOW_DEACTIVATE,
|
||
0, 0, 0);
|
||
}
|
||
}
|
||
|
||
static void
|
||
gtk_socket_hierarchy_changed (GtkWidget *widget,
|
||
GtkWidget *old_toplevel)
|
||
{
|
||
GtkSocket *socket = GTK_SOCKET (widget);
|
||
GtkSocketPrivate *private = socket->priv;
|
||
GtkWidget *toplevel = gtk_widget_get_toplevel (widget);
|
||
|
||
if (toplevel && !GTK_IS_WINDOW (toplevel))
|
||
toplevel = NULL;
|
||
|
||
if (toplevel != private->toplevel)
|
||
{
|
||
if (private->toplevel)
|
||
{
|
||
gtk_window_remove_accel_group (GTK_WINDOW (private->toplevel), private->accel_group);
|
||
g_signal_handlers_disconnect_by_func (private->toplevel,
|
||
socket_update_focus_in,
|
||
socket);
|
||
g_signal_handlers_disconnect_by_func (private->toplevel,
|
||
socket_update_active,
|
||
socket);
|
||
}
|
||
|
||
private->toplevel = toplevel;
|
||
|
||
if (toplevel)
|
||
{
|
||
gtk_window_add_accel_group (GTK_WINDOW (private->toplevel), private->accel_group);
|
||
g_signal_connect_swapped (private->toplevel, "notify::has-toplevel-focus",
|
||
G_CALLBACK (socket_update_focus_in), socket);
|
||
g_signal_connect_swapped (private->toplevel, "notify::is-active",
|
||
G_CALLBACK (socket_update_active), socket);
|
||
}
|
||
|
||
socket_update_focus_in (socket);
|
||
socket_update_active (socket);
|
||
}
|
||
}
|
||
|
||
static void
|
||
gtk_socket_grab_notify (GtkWidget *widget,
|
||
gboolean was_grabbed)
|
||
{
|
||
GtkSocket *socket = GTK_SOCKET (widget);
|
||
|
||
if (!socket->priv->same_app)
|
||
_gtk_xembed_send_message (socket->priv->plug_window,
|
||
was_grabbed ? XEMBED_MODALITY_OFF : XEMBED_MODALITY_ON,
|
||
0, 0, 0);
|
||
}
|
||
|
||
static gboolean
|
||
gtk_socket_key_event (GtkWidget *widget,
|
||
GdkEventKey *event)
|
||
{
|
||
GtkSocket *socket = GTK_SOCKET (widget);
|
||
GtkSocketPrivate *private = socket->priv;
|
||
|
||
if (gtk_widget_has_focus (widget) && private->plug_window && !private->plug_widget)
|
||
{
|
||
gtk_socket_send_key_event (socket, (GdkEvent *) event, FALSE);
|
||
|
||
return TRUE;
|
||
}
|
||
else
|
||
return FALSE;
|
||
}
|
||
|
||
static void
|
||
gtk_socket_notify (GObject *object,
|
||
GParamSpec *pspec)
|
||
{
|
||
if (strcmp (pspec->name, "is-focus") == 0)
|
||
socket_update_focus_in (GTK_SOCKET (object));
|
||
|
||
if (G_OBJECT_CLASS (gtk_socket_parent_class)->notify)
|
||
G_OBJECT_CLASS (gtk_socket_parent_class)->notify (object, pspec);
|
||
}
|
||
|
||
/**
|
||
* gtk_socket_claim_focus:
|
||
* @socket: a #GtkSocket
|
||
* @send_event: huh?
|
||
*
|
||
* Claims focus for the socket. XXX send_event?
|
||
*/
|
||
static void
|
||
gtk_socket_claim_focus (GtkSocket *socket,
|
||
gboolean send_event)
|
||
{
|
||
GtkWidget *widget = GTK_WIDGET (socket);
|
||
GtkSocketPrivate *private = socket->priv;
|
||
|
||
if (!send_event)
|
||
private->focus_in = TRUE; /* Otherwise, our notify handler will send FOCUS_IN */
|
||
|
||
/* Oh, the trickery... */
|
||
|
||
gtk_widget_set_can_focus (widget, TRUE);
|
||
gtk_widget_grab_focus (widget);
|
||
gtk_widget_set_can_focus (widget, FALSE);
|
||
}
|
||
|
||
static gboolean
|
||
gtk_socket_focus (GtkWidget *widget,
|
||
GtkDirectionType direction)
|
||
{
|
||
GtkSocket *socket = GTK_SOCKET (widget);
|
||
GtkSocketPrivate *private = socket->priv;
|
||
|
||
if (private->plug_widget)
|
||
return gtk_widget_child_focus (private->plug_widget, direction);
|
||
|
||
if (!gtk_widget_is_focus (widget))
|
||
{
|
||
gint detail = -1;
|
||
|
||
switch (direction)
|
||
{
|
||
case GTK_DIR_UP:
|
||
case GTK_DIR_LEFT:
|
||
case GTK_DIR_TAB_BACKWARD:
|
||
detail = XEMBED_FOCUS_LAST;
|
||
break;
|
||
case GTK_DIR_DOWN:
|
||
case GTK_DIR_RIGHT:
|
||
case GTK_DIR_TAB_FORWARD:
|
||
detail = XEMBED_FOCUS_FIRST;
|
||
break;
|
||
}
|
||
|
||
_gtk_xembed_send_focus_message (private->plug_window, XEMBED_FOCUS_IN, detail);
|
||
gtk_socket_claim_focus (socket, FALSE);
|
||
|
||
return TRUE;
|
||
}
|
||
else
|
||
return FALSE;
|
||
}
|
||
|
||
static void
|
||
gtk_socket_remove (GtkContainer *container,
|
||
GtkWidget *child)
|
||
{
|
||
GtkSocket *socket = GTK_SOCKET (container);
|
||
GtkSocketPrivate *private = socket->priv;
|
||
|
||
g_return_if_fail (child == private->plug_widget);
|
||
|
||
_gtk_plug_remove_from_socket (GTK_PLUG (private->plug_widget), socket);
|
||
}
|
||
|
||
static void
|
||
gtk_socket_forall (GtkContainer *container,
|
||
gboolean include_internals,
|
||
GtkCallback callback,
|
||
gpointer callback_data)
|
||
{
|
||
GtkSocket *socket = GTK_SOCKET (container);
|
||
GtkSocketPrivate *private = socket->priv;
|
||
|
||
if (private->plug_widget)
|
||
(* callback) (private->plug_widget, callback_data);
|
||
}
|
||
|
||
/**
|
||
* gtk_socket_add_window:
|
||
* @socket: a #GtkSocket
|
||
* @xid: the native identifier for a window
|
||
* @need_reparent: whether the socket’s plug’s window needs to be
|
||
* reparented to the socket
|
||
*
|
||
* Adds a window to a GtkSocket.
|
||
*/
|
||
static void
|
||
gtk_socket_add_window (GtkSocket *socket,
|
||
Window xid,
|
||
gboolean need_reparent)
|
||
{
|
||
GtkWidget *widget = GTK_WIDGET (socket);
|
||
GdkDisplay *display = gtk_widget_get_display (widget);
|
||
gpointer user_data = NULL;
|
||
GtkSocketPrivate *private = socket->priv;
|
||
unsigned long version;
|
||
unsigned long flags;
|
||
|
||
if (GDK_IS_X11_DISPLAY (display))
|
||
private->plug_window = gdk_x11_window_lookup_for_display (display, xid);
|
||
else
|
||
private->plug_window = NULL;
|
||
|
||
if (private->plug_window)
|
||
{
|
||
g_object_ref (private->plug_window);
|
||
gdk_window_get_user_data (private->plug_window, &user_data);
|
||
}
|
||
|
||
if (user_data) /* A widget's window in this process */
|
||
{
|
||
GtkWidget *child_widget = user_data;
|
||
|
||
if (!GTK_IS_PLUG (child_widget))
|
||
{
|
||
g_warning (G_STRLOC ": Can't add non-GtkPlug to GtkSocket");
|
||
private->plug_window = NULL;
|
||
gdk_error_trap_pop_ignored ();
|
||
|
||
return;
|
||
}
|
||
|
||
_gtk_plug_add_to_socket (GTK_PLUG (child_widget), socket);
|
||
}
|
||
else /* A foreign window */
|
||
{
|
||
GdkDragProtocol protocol;
|
||
|
||
gdk_error_trap_push ();
|
||
|
||
if (!private->plug_window)
|
||
{
|
||
if (GDK_IS_X11_DISPLAY (display))
|
||
private->plug_window = gdk_x11_window_foreign_new_for_display (display, xid);
|
||
if (!private->plug_window) /* was deleted before we could get it */
|
||
{
|
||
gdk_error_trap_pop_ignored ();
|
||
return;
|
||
}
|
||
}
|
||
|
||
XSelectInput (GDK_DISPLAY_XDISPLAY (gtk_widget_get_display (GTK_WIDGET (socket))),
|
||
GDK_WINDOW_XID (private->plug_window),
|
||
StructureNotifyMask | PropertyChangeMask);
|
||
|
||
if (gdk_error_trap_pop ())
|
||
{
|
||
g_object_unref (private->plug_window);
|
||
private->plug_window = NULL;
|
||
return;
|
||
}
|
||
|
||
/* OK, we now will reliably get destroy notification on socket->plug_window */
|
||
|
||
gdk_error_trap_push ();
|
||
|
||
if (need_reparent)
|
||
{
|
||
gdk_window_hide (private->plug_window); /* Shouldn't actually be necessary for XEMBED, but just in case */
|
||
gdk_window_reparent (private->plug_window,
|
||
gtk_widget_get_window (widget),
|
||
0, 0);
|
||
}
|
||
|
||
private->have_size = FALSE;
|
||
|
||
private->xembed_version = -1;
|
||
if (xembed_get_info (private->plug_window, &version, &flags))
|
||
{
|
||
private->xembed_version = MIN (GTK_XEMBED_PROTOCOL_VERSION, version);
|
||
private->is_mapped = (flags & XEMBED_MAPPED) != 0;
|
||
}
|
||
else
|
||
{
|
||
/* FIXME, we should probably actually check the state before we started */
|
||
private->is_mapped = TRUE;
|
||
}
|
||
|
||
private->need_map = private->is_mapped;
|
||
|
||
G_GNUC_BEGIN_IGNORE_DEPRECATIONS
|
||
protocol = gdk_window_get_drag_protocol (private->plug_window, NULL);
|
||
if (protocol)
|
||
gtk_drag_dest_set_proxy (GTK_WIDGET (socket), private->plug_window,
|
||
protocol, TRUE);
|
||
G_GNUC_END_IGNORE_DEPRECATIONS
|
||
|
||
gdk_error_trap_pop_ignored ();
|
||
|
||
gdk_window_add_filter (private->plug_window,
|
||
gtk_socket_filter_func,
|
||
socket);
|
||
|
||
#ifdef HAVE_XFIXES
|
||
gdk_error_trap_push ();
|
||
XFixesChangeSaveSet (GDK_DISPLAY_XDISPLAY (gtk_widget_get_display (GTK_WIDGET (socket))),
|
||
GDK_WINDOW_XID (private->plug_window),
|
||
SetModeInsert, SaveSetRoot, SaveSetUnmap);
|
||
gdk_error_trap_pop_ignored ();
|
||
#endif
|
||
_gtk_xembed_send_message (private->plug_window,
|
||
XEMBED_EMBEDDED_NOTIFY, 0,
|
||
GDK_WINDOW_XID (gtk_widget_get_window (GTK_WIDGET (socket))),
|
||
private->xembed_version);
|
||
|
||
socket_update_active (socket);
|
||
socket_update_focus_in (socket);
|
||
|
||
gtk_widget_queue_resize (GTK_WIDGET (socket));
|
||
}
|
||
|
||
if (private->plug_window)
|
||
g_signal_emit (socket, socket_signals[PLUG_ADDED], 0);
|
||
}
|
||
|
||
/**
|
||
* gtk_socket_handle_map_request:
|
||
* @socket: a #GtkSocket
|
||
*
|
||
* Called from the GtkSocket backend when the plug has been mapped.
|
||
*/
|
||
static void
|
||
gtk_socket_handle_map_request (GtkSocket *socket)
|
||
{
|
||
GtkSocketPrivate *private = socket->priv;
|
||
if (!private->is_mapped)
|
||
{
|
||
private->is_mapped = TRUE;
|
||
private->need_map = TRUE;
|
||
|
||
gtk_widget_queue_resize (GTK_WIDGET (socket));
|
||
}
|
||
}
|
||
|
||
/**
|
||
* gtk_socket_unmap_notify:
|
||
* @socket: a #GtkSocket
|
||
*
|
||
* Called from the GtkSocket backend when the plug has been unmapped ???
|
||
*/
|
||
static void
|
||
gtk_socket_unmap_notify (GtkSocket *socket)
|
||
{
|
||
GtkSocketPrivate *private = socket->priv;
|
||
if (private->is_mapped)
|
||
{
|
||
private->is_mapped = FALSE;
|
||
gtk_widget_queue_resize (GTK_WIDGET (socket));
|
||
}
|
||
}
|
||
|
||
/**
|
||
* gtk_socket_advance_toplevel_focus:
|
||
* @socket: a #GtkSocket
|
||
* @direction: a direction
|
||
*
|
||
* Called from the GtkSocket backend when the corresponding plug
|
||
* has told the socket to move the focus.
|
||
*/
|
||
static void
|
||
gtk_socket_advance_toplevel_focus (GtkSocket *socket,
|
||
GtkDirectionType direction)
|
||
{
|
||
GtkBin *bin;
|
||
GtkWindow *window;
|
||
GtkContainer *container;
|
||
GtkWidget *child;
|
||
GtkWidget *focus_widget;
|
||
GtkWidget *toplevel;
|
||
GtkWidget *old_focus_child;
|
||
GtkWidget *parent;
|
||
|
||
toplevel = gtk_widget_get_toplevel (GTK_WIDGET (socket));
|
||
if (!toplevel)
|
||
return;
|
||
|
||
if (!gtk_widget_is_toplevel (toplevel) || GTK_IS_PLUG (toplevel))
|
||
{
|
||
gtk_widget_child_focus (toplevel,direction);
|
||
return;
|
||
}
|
||
|
||
container = GTK_CONTAINER (toplevel);
|
||
window = GTK_WINDOW (toplevel);
|
||
bin = GTK_BIN (toplevel);
|
||
|
||
/* This is a copy of gtk_window_focus(), modified so that we
|
||
* can detect wrap-around.
|
||
*/
|
||
old_focus_child = gtk_container_get_focus_child (container);
|
||
|
||
if (old_focus_child)
|
||
{
|
||
if (gtk_widget_child_focus (old_focus_child, direction))
|
||
return;
|
||
|
||
/* We are allowed exactly one wrap-around per sequence of focus
|
||
* events
|
||
*/
|
||
if (_gtk_xembed_get_focus_wrapped ())
|
||
return;
|
||
else
|
||
_gtk_xembed_set_focus_wrapped ();
|
||
}
|
||
|
||
focus_widget = gtk_window_get_focus (window);
|
||
if (window)
|
||
{
|
||
/* 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);
|
||
}
|
||
|
||
/* Now try to focus the first widget in the window */
|
||
child = gtk_bin_get_child (bin);
|
||
if (child)
|
||
{
|
||
if (gtk_widget_child_focus (child, direction))
|
||
return;
|
||
}
|
||
}
|
||
|
||
static gboolean
|
||
xembed_get_info (GdkWindow *window,
|
||
unsigned long *version,
|
||
unsigned long *flags)
|
||
{
|
||
GdkDisplay *display = gdk_window_get_display (window);
|
||
Atom xembed_info_atom = gdk_x11_get_xatom_by_name_for_display (display, "_XEMBED_INFO");
|
||
Atom type;
|
||
int format;
|
||
unsigned long nitems, bytes_after;
|
||
unsigned char *data;
|
||
unsigned long *data_long;
|
||
int status;
|
||
|
||
gdk_error_trap_push ();
|
||
status = XGetWindowProperty (GDK_DISPLAY_XDISPLAY (display),
|
||
GDK_WINDOW_XID (window),
|
||
xembed_info_atom,
|
||
0, 2, False,
|
||
xembed_info_atom, &type, &format,
|
||
&nitems, &bytes_after, &data);
|
||
gdk_error_trap_pop_ignored ();
|
||
|
||
if (status != Success)
|
||
return FALSE; /* Window vanished? */
|
||
|
||
if (type == None) /* No info property */
|
||
return FALSE;
|
||
|
||
if (type != xembed_info_atom)
|
||
{
|
||
g_warning ("_XEMBED_INFO property has wrong type");
|
||
return FALSE;
|
||
}
|
||
|
||
if (nitems < 2)
|
||
{
|
||
g_warning ("_XEMBED_INFO too short");
|
||
XFree (data);
|
||
return FALSE;
|
||
}
|
||
|
||
data_long = (unsigned long *)data;
|
||
if (version)
|
||
*version = data_long[0];
|
||
if (flags)
|
||
*flags = data_long[1] & XEMBED_MAPPED;
|
||
|
||
XFree (data);
|
||
return TRUE;
|
||
}
|
||
|
||
static void
|
||
handle_xembed_message (GtkSocket *socket,
|
||
XEmbedMessageType message,
|
||
glong detail,
|
||
glong data1,
|
||
glong data2,
|
||
guint32 time)
|
||
{
|
||
GTK_NOTE (PLUGSOCKET,
|
||
g_message ("GtkSocket: %s received", _gtk_xembed_message_name (message)));
|
||
|
||
switch (message)
|
||
{
|
||
case XEMBED_EMBEDDED_NOTIFY:
|
||
case XEMBED_WINDOW_ACTIVATE:
|
||
case XEMBED_WINDOW_DEACTIVATE:
|
||
case XEMBED_MODALITY_ON:
|
||
case XEMBED_MODALITY_OFF:
|
||
case XEMBED_FOCUS_IN:
|
||
case XEMBED_FOCUS_OUT:
|
||
g_warning ("GtkSocket: Invalid _XEMBED message %s received", _gtk_xembed_message_name (message));
|
||
break;
|
||
|
||
case XEMBED_REQUEST_FOCUS:
|
||
gtk_socket_claim_focus (socket, TRUE);
|
||
break;
|
||
|
||
case XEMBED_FOCUS_NEXT:
|
||
case XEMBED_FOCUS_PREV:
|
||
gtk_socket_advance_toplevel_focus (socket,
|
||
(message == XEMBED_FOCUS_NEXT ?
|
||
GTK_DIR_TAB_FORWARD : GTK_DIR_TAB_BACKWARD));
|
||
break;
|
||
|
||
case XEMBED_GTK_GRAB_KEY:
|
||
gtk_socket_add_grabbed_key (socket, data1, data2);
|
||
break;
|
||
case XEMBED_GTK_UNGRAB_KEY:
|
||
gtk_socket_remove_grabbed_key (socket, data1, data2);
|
||
break;
|
||
|
||
case XEMBED_GRAB_KEY:
|
||
case XEMBED_UNGRAB_KEY:
|
||
break;
|
||
|
||
default:
|
||
GTK_NOTE (PLUGSOCKET,
|
||
g_message ("GtkSocket: Ignoring unknown _XEMBED message of type %d", message));
|
||
break;
|
||
}
|
||
}
|
||
|
||
static GdkFilterReturn
|
||
gtk_socket_filter_func (GdkXEvent *gdk_xevent,
|
||
GdkEvent *event,
|
||
gpointer data)
|
||
{
|
||
GtkSocket *socket;
|
||
GtkWidget *widget;
|
||
GdkDisplay *display;
|
||
XEvent *xevent;
|
||
GtkSocketPrivate *private;
|
||
|
||
GdkFilterReturn return_val;
|
||
|
||
socket = GTK_SOCKET (data);
|
||
private = socket->priv;
|
||
|
||
return_val = GDK_FILTER_CONTINUE;
|
||
|
||
if (private->plug_widget)
|
||
return return_val;
|
||
|
||
widget = GTK_WIDGET (socket);
|
||
xevent = (XEvent *)gdk_xevent;
|
||
display = gtk_widget_get_display (widget);
|
||
|
||
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 (socket,
|
||
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;
|
||
}
|
||
break;
|
||
|
||
case CreateNotify:
|
||
{
|
||
XCreateWindowEvent *xcwe = &xevent->xcreatewindow;
|
||
|
||
if (!private->plug_window)
|
||
{
|
||
gtk_socket_add_window (socket, xcwe->window, FALSE);
|
||
|
||
if (private->plug_window)
|
||
{
|
||
GTK_NOTE (PLUGSOCKET, g_message ("GtkSocket - window created"));
|
||
}
|
||
}
|
||
|
||
return_val = GDK_FILTER_REMOVE;
|
||
|
||
break;
|
||
}
|
||
|
||
case ConfigureRequest:
|
||
{
|
||
XConfigureRequestEvent *xcre = &xevent->xconfigurerequest;
|
||
|
||
if (!private->plug_window)
|
||
gtk_socket_add_window (socket, xcre->window, FALSE);
|
||
|
||
if (private->plug_window)
|
||
{
|
||
if (xcre->value_mask & (CWWidth | CWHeight))
|
||
{
|
||
GTK_NOTE (PLUGSOCKET,
|
||
g_message ("GtkSocket - configure request: %d %d",
|
||
private->request_width,
|
||
private->request_height));
|
||
|
||
private->resize_count++;
|
||
gtk_widget_queue_resize (widget);
|
||
}
|
||
else if (xcre->value_mask & (CWX | CWY))
|
||
{
|
||
gtk_socket_send_configure_event (socket);
|
||
}
|
||
/* Ignore stacking requests. */
|
||
|
||
return_val = GDK_FILTER_REMOVE;
|
||
}
|
||
break;
|
||
}
|
||
|
||
case DestroyNotify:
|
||
{
|
||
XDestroyWindowEvent *xdwe = &xevent->xdestroywindow;
|
||
|
||
/* Note that we get destroy notifies both from SubstructureNotify on
|
||
* our window and StructureNotify on socket->plug_window
|
||
*/
|
||
if (private->plug_window && (xdwe->window == GDK_WINDOW_XID (private->plug_window)))
|
||
{
|
||
gboolean result;
|
||
|
||
GTK_NOTE (PLUGSOCKET, g_message ("GtkSocket - destroy notify"));
|
||
|
||
gdk_window_destroy_notify (private->plug_window);
|
||
gtk_socket_end_embedding (socket);
|
||
|
||
g_object_ref (widget);
|
||
g_signal_emit_by_name (widget, "plug-removed", &result);
|
||
if (!result)
|
||
gtk_widget_destroy (widget);
|
||
g_object_unref (widget);
|
||
|
||
return_val = GDK_FILTER_REMOVE;
|
||
}
|
||
break;
|
||
}
|
||
|
||
case FocusIn:
|
||
if (xevent->xfocus.mode == EMBEDDED_APP_WANTS_FOCUS)
|
||
{
|
||
gtk_socket_claim_focus (socket, TRUE);
|
||
}
|
||
return_val = GDK_FILTER_REMOVE;
|
||
break;
|
||
case FocusOut:
|
||
return_val = GDK_FILTER_REMOVE;
|
||
break;
|
||
case MapRequest:
|
||
if (!private->plug_window)
|
||
{
|
||
gtk_socket_add_window (socket, xevent->xmaprequest.window, FALSE);
|
||
}
|
||
|
||
if (private->plug_window)
|
||
{
|
||
GTK_NOTE (PLUGSOCKET, g_message ("GtkSocket - Map Request"));
|
||
|
||
gtk_socket_handle_map_request (socket);
|
||
return_val = GDK_FILTER_REMOVE;
|
||
}
|
||
break;
|
||
case PropertyNotify:
|
||
if (private->plug_window &&
|
||
xevent->xproperty.window == GDK_WINDOW_XID (private->plug_window))
|
||
{
|
||
GdkDragProtocol protocol;
|
||
|
||
if (xevent->xproperty.atom == gdk_x11_get_xatom_by_name_for_display (display, "WM_NORMAL_HINTS"))
|
||
{
|
||
GTK_NOTE (PLUGSOCKET, g_message ("GtkSocket - received PropertyNotify for plug's WM_NORMAL_HINTS"));
|
||
private->have_size = FALSE;
|
||
gtk_widget_queue_resize (widget);
|
||
return_val = GDK_FILTER_REMOVE;
|
||
}
|
||
else if ((xevent->xproperty.atom == gdk_x11_get_xatom_by_name_for_display (display, "XdndAware")) ||
|
||
(xevent->xproperty.atom == gdk_x11_get_xatom_by_name_for_display (display, "_MOTIF_DRAG_RECEIVER_INFO")))
|
||
{
|
||
gdk_error_trap_push ();
|
||
G_GNUC_BEGIN_IGNORE_DEPRECATIONS
|
||
protocol = gdk_window_get_drag_protocol (private->plug_window, NULL);
|
||
if (protocol)
|
||
gtk_drag_dest_set_proxy (GTK_WIDGET (socket),
|
||
private->plug_window,
|
||
protocol, TRUE);
|
||
G_GNUC_END_IGNORE_DEPRECATIONS
|
||
|
||
gdk_error_trap_pop_ignored ();
|
||
return_val = GDK_FILTER_REMOVE;
|
||
}
|
||
else if (xevent->xproperty.atom == gdk_x11_get_xatom_by_name_for_display (display, "_XEMBED_INFO"))
|
||
{
|
||
unsigned long flags;
|
||
|
||
if (xembed_get_info (private->plug_window, NULL, &flags))
|
||
{
|
||
gboolean was_mapped = private->is_mapped;
|
||
gboolean is_mapped = (flags & XEMBED_MAPPED) != 0;
|
||
|
||
if (was_mapped != is_mapped)
|
||
{
|
||
if (is_mapped)
|
||
gtk_socket_handle_map_request (socket);
|
||
else
|
||
{
|
||
gdk_error_trap_push ();
|
||
gdk_window_show (private->plug_window);
|
||
gdk_error_trap_pop_ignored ();
|
||
|
||
gtk_socket_unmap_notify (socket);
|
||
}
|
||
}
|
||
}
|
||
return_val = GDK_FILTER_REMOVE;
|
||
}
|
||
}
|
||
break;
|
||
case ReparentNotify:
|
||
{
|
||
GdkWindow *window;
|
||
XReparentEvent *xre = &xevent->xreparent;
|
||
|
||
window = gtk_widget_get_window (widget);
|
||
|
||
GTK_NOTE (PLUGSOCKET, g_message ("GtkSocket - ReparentNotify received"));
|
||
if (!private->plug_window &&
|
||
xre->parent == GDK_WINDOW_XID (window))
|
||
{
|
||
gtk_socket_add_window (socket, xre->window, FALSE);
|
||
|
||
if (private->plug_window)
|
||
{
|
||
GTK_NOTE (PLUGSOCKET, g_message ("GtkSocket - window reparented"));
|
||
}
|
||
|
||
return_val = GDK_FILTER_REMOVE;
|
||
}
|
||
else
|
||
{
|
||
if (private->plug_window &&
|
||
xre->window == GDK_WINDOW_XID (private->plug_window) &&
|
||
xre->parent != GDK_WINDOW_XID (window))
|
||
{
|
||
gboolean result;
|
||
|
||
gtk_socket_end_embedding (socket);
|
||
|
||
g_object_ref (widget);
|
||
g_signal_emit_by_name (widget, "plug-removed", &result);
|
||
if (!result)
|
||
gtk_widget_destroy (widget);
|
||
g_object_unref (widget);
|
||
|
||
return_val = GDK_FILTER_REMOVE;
|
||
}
|
||
}
|
||
|
||
break;
|
||
}
|
||
case UnmapNotify:
|
||
if (private->plug_window &&
|
||
xevent->xunmap.window == GDK_WINDOW_XID (private->plug_window))
|
||
{
|
||
GTK_NOTE (PLUGSOCKET, g_message ("GtkSocket - Unmap notify"));
|
||
|
||
gtk_socket_unmap_notify (socket);
|
||
return_val = GDK_FILTER_REMOVE;
|
||
}
|
||
break;
|
||
|
||
}
|
||
|
||
return return_val;
|
||
}
|