333 lines
9.0 KiB
C
333 lines
9.0 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, write to the Free
|
|
* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
|
*/
|
|
|
|
/* By Owen Taylor <otaylor@gtk.org> 98/4/4 */
|
|
|
|
/*
|
|
* 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 "gtkmain.h"
|
|
#include "gtkmarshalers.h"
|
|
#include "gtkplug.h"
|
|
#include "gtkprivate.h"
|
|
#include "gtkplugprivate.h"
|
|
|
|
#include "gdk/gdkx.h"
|
|
|
|
#include "gtkxembed.h"
|
|
#include "gtkalias.h"
|
|
|
|
static void xembed_set_info (GdkWindow *window,
|
|
unsigned long flags);
|
|
|
|
GdkNativeWindow
|
|
_gtk_plug_windowing_get_id (GtkPlug *plug)
|
|
{
|
|
return GDK_WINDOW_XWINDOW (GTK_WIDGET (plug)->window);
|
|
}
|
|
|
|
void
|
|
_gtk_plug_windowing_realize_toplevel (GtkPlug *plug)
|
|
{
|
|
xembed_set_info (GTK_WIDGET (plug)->window, 0);
|
|
}
|
|
|
|
void
|
|
_gtk_plug_windowing_map_toplevel (GtkPlug *plug)
|
|
{
|
|
xembed_set_info (GTK_WIDGET (plug)->window, XEMBED_MAPPED);
|
|
}
|
|
|
|
void
|
|
_gtk_plug_windowing_unmap_toplevel (GtkPlug *plug)
|
|
{
|
|
xembed_set_info (GTK_WIDGET (plug)->window, 0);
|
|
}
|
|
|
|
void
|
|
_gtk_plug_windowing_set_focus (GtkPlug *plug)
|
|
{
|
|
_gtk_xembed_send_message (plug->socket_window,
|
|
XEMBED_REQUEST_FOCUS, 0, 0, 0);
|
|
}
|
|
|
|
void
|
|
_gtk_plug_windowing_add_grabbed_key (GtkPlug *plug,
|
|
guint accelerator_key,
|
|
GdkModifierType accelerator_mods)
|
|
{
|
|
_gtk_xembed_send_message (plug->socket_window, XEMBED_GTK_GRAB_KEY, 0,
|
|
accelerator_key, accelerator_mods);
|
|
}
|
|
|
|
void
|
|
_gtk_plug_windowing_remove_grabbed_key (GtkPlug *plug,
|
|
guint accelerator_key,
|
|
GdkModifierType accelerator_mods)
|
|
{
|
|
_gtk_xembed_send_message (plug->socket_window, XEMBED_GTK_UNGRAB_KEY, 0,
|
|
accelerator_key, accelerator_mods);
|
|
}
|
|
|
|
void
|
|
_gtk_plug_windowing_focus_to_parent (GtkPlug *plug,
|
|
GtkDirectionType direction)
|
|
{
|
|
XEmbedMessageType message = XEMBED_FOCUS_PREV; /* Quiet GCC */
|
|
|
|
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;
|
|
}
|
|
|
|
_gtk_xembed_send_focus_message (plug->socket_window, message, 0);
|
|
}
|
|
|
|
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_XWINDOW (window),
|
|
xembed_info_atom, xembed_info_atom, 32,
|
|
PropModeReplace,
|
|
(unsigned char *)buffer, 2);
|
|
}
|
|
|
|
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;
|
|
}
|
|
}
|
|
|
|
GdkFilterReturn
|
|
_gtk_plug_windowing_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);
|
|
XEvent *xevent = (XEvent *)gdk_xevent;
|
|
|
|
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 = plug->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_XWINDOW (plug->socket_window))
|
|
{
|
|
GtkWidget *widget = GTK_WIDGET (plug);
|
|
|
|
gdk_window_set_user_data (plug->socket_window, NULL);
|
|
g_object_unref (plug->socket_window);
|
|
plug->socket_window = NULL;
|
|
|
|
/* Emit a delete window, as if the user attempted
|
|
* to close the toplevel. Simple as to how we
|
|
* handle WM_DELETE_WINDOW, if it isn't handled
|
|
* we destroy the widget. BUt only do this if
|
|
* we are being reparented to the root window.
|
|
* Moving from one embedder to another should
|
|
* be invisible to the app.
|
|
*/
|
|
|
|
if (xre->parent == GDK_WINDOW_XWINDOW (gdk_screen_get_root_window (screen)))
|
|
{
|
|
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_XWINDOW (gdk_screen_get_root_window (screen)))
|
|
{
|
|
/* Start of embedding protocol */
|
|
|
|
GTK_NOTE (PLUGSOCKET, g_message ("GtkPlug: start of embedding"));
|
|
plug->socket_window = gdk_window_lookup_for_display (display, xre->parent);
|
|
if (plug->socket_window)
|
|
{
|
|
gpointer user_data = NULL;
|
|
gdk_window_get_user_data (plug->socket_window, &user_data);
|
|
|
|
if (user_data)
|
|
{
|
|
g_warning (G_STRLOC "Plug reparented unexpectedly into window in the same process");
|
|
plug->socket_window = NULL;
|
|
break; /* FIXME: shouldn't this unref the plug? i.e. "goto done;" instead */
|
|
}
|
|
|
|
g_object_ref (plug->socket_window);
|
|
}
|
|
else
|
|
{
|
|
plug->socket_window = gdk_window_foreign_new_for_display (display, xre->parent);
|
|
if (!plug->socket_window) /* Already gone */
|
|
break; /* FIXME: shouldn't this unref the plug? i.e. "goto done;" instead */
|
|
}
|
|
|
|
_gtk_plug_add_all_grabbed_keys (plug);
|
|
|
|
if (!was_embedded)
|
|
g_signal_emit_by_name (plug, "embedded");
|
|
|
|
g_object_notify (G_OBJECT (plug), "embedded");
|
|
}
|
|
|
|
done:
|
|
g_object_unref (plug);
|
|
|
|
break;
|
|
}
|
|
}
|
|
|
|
return return_val;
|
|
}
|