666 lines
18 KiB
C
666 lines
18 KiB
C
/* GTK - The GIMP Toolkit
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* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free
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* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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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
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* file for a list of people on the GTK+ Team. See the ChangeLog
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* 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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#include <string.h>
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#include "gdk/gdkkeysyms.h"
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#include "gtkmain.h"
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#include "gtkmarshalers.h"
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#include "gtkwindow.h"
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#include "gtkplug.h"
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#include "gtkprivate.h"
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#include "gtksocket.h"
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#include "gtksocketprivate.h"
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#include "gtkdnd.h"
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#include "gtkdebug.h"
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#include "x11/gdkx.h"
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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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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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/* From Tk */
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#define EMBEDDED_APP_WANTS_FOCUS NotifyNormal+20
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GdkNativeWindow
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_gtk_socket_windowing_get_id (GtkSocket *socket)
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{
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return GDK_WINDOW_XWINDOW (gtk_widget_get_window (GTK_WIDGET (socket)));
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}
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void
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_gtk_socket_windowing_realize_window (GtkSocket *socket)
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{
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GdkWindow *window;
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XWindowAttributes xattrs;
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window = gtk_widget_get_window (GTK_WIDGET (socket));
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XGetWindowAttributes (GDK_WINDOW_XDISPLAY (window),
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GDK_WINDOW_XWINDOW (window),
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&xattrs);
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/* Sooooo, it turns out that mozilla, as per the gtk2xt code selects
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for input on the socket with a mask of 0x0fffff (for god knows why)
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which includes ButtonPressMask causing a BadAccess if someone else
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also selects for this. As per the client-side windows merge we always
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normally selects for button press so we can emulate it on client
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side children that selects for button press. However, we don't need
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this for GtkSocket, so we unselect it here, fixing the crashes in
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firefox. */
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XSelectInput (GDK_WINDOW_XDISPLAY (window),
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GDK_WINDOW_XWINDOW (window),
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(xattrs.your_event_mask & ~ButtonPressMask) |
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SubstructureNotifyMask | SubstructureRedirectMask);
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}
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void
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_gtk_socket_windowing_end_embedding_toplevel (GtkSocket *socket)
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{
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gtk_window_remove_embedded_xid (GTK_WINDOW (gtk_widget_get_toplevel (GTK_WIDGET (socket))),
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GDK_WINDOW_XWINDOW (socket->plug_window));
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}
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void
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_gtk_socket_windowing_size_request (GtkSocket *socket)
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{
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XSizeHints hints;
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long supplied;
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gdk_error_trap_push ();
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socket->request_width = 1;
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socket->request_height = 1;
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if (XGetWMNormalHints (GDK_WINDOW_XDISPLAY (socket->plug_window),
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GDK_WINDOW_XWINDOW (socket->plug_window),
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&hints, &supplied))
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{
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if (hints.flags & PMinSize)
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{
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socket->request_width = MAX (hints.min_width, 1);
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socket->request_height = MAX (hints.min_height, 1);
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}
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else if (hints.flags & PBaseSize)
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{
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socket->request_width = MAX (hints.base_width, 1);
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socket->request_height = MAX (hints.base_height, 1);
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}
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}
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socket->have_size = TRUE;
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gdk_error_trap_pop_ignored ();
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}
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void
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_gtk_socket_windowing_send_key_event (GtkSocket *socket,
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GdkEvent *gdk_event,
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gboolean mask_key_presses)
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{
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XKeyEvent xkey;
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GdkScreen *screen = gdk_window_get_screen (socket->plug_window);
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memset (&xkey, 0, sizeof (xkey));
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xkey.type = (gdk_event->type == GDK_KEY_PRESS) ? KeyPress : KeyRelease;
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xkey.window = GDK_WINDOW_XWINDOW (socket->plug_window);
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xkey.root = GDK_WINDOW_XWINDOW (gdk_screen_get_root_window (screen));
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xkey.subwindow = None;
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xkey.time = gdk_event->key.time;
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xkey.x = 0;
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xkey.y = 0;
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xkey.x_root = 0;
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xkey.y_root = 0;
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xkey.state = gdk_event->key.state;
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xkey.keycode = gdk_event->key.hardware_keycode;
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xkey.same_screen = True;/* FIXME ? */
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gdk_error_trap_push ();
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XSendEvent (GDK_WINDOW_XDISPLAY (socket->plug_window),
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GDK_WINDOW_XWINDOW (socket->plug_window),
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False,
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(mask_key_presses ? KeyPressMask : NoEventMask),
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(XEvent *)&xkey);
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gdk_error_trap_pop_ignored ();
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}
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void
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_gtk_socket_windowing_focus_change (GtkSocket *socket,
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gboolean focus_in)
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{
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if (focus_in)
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_gtk_xembed_send_focus_message (socket->plug_window,
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XEMBED_FOCUS_IN, XEMBED_FOCUS_CURRENT);
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else
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_gtk_xembed_send_message (socket->plug_window,
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XEMBED_FOCUS_OUT, 0, 0, 0);
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}
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void
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_gtk_socket_windowing_update_active (GtkSocket *socket,
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gboolean active)
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{
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_gtk_xembed_send_message (socket->plug_window,
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active ? XEMBED_WINDOW_ACTIVATE : XEMBED_WINDOW_DEACTIVATE,
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0, 0, 0);
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}
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void
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_gtk_socket_windowing_update_modality (GtkSocket *socket,
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gboolean modality)
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{
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_gtk_xembed_send_message (socket->plug_window,
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modality ? XEMBED_MODALITY_ON : XEMBED_MODALITY_OFF,
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0, 0, 0);
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}
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void
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_gtk_socket_windowing_focus (GtkSocket *socket,
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GtkDirectionType direction)
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{
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gint detail = -1;
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switch (direction)
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{
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case GTK_DIR_UP:
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case GTK_DIR_LEFT:
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case GTK_DIR_TAB_BACKWARD:
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detail = XEMBED_FOCUS_LAST;
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break;
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case GTK_DIR_DOWN:
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case GTK_DIR_RIGHT:
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case GTK_DIR_TAB_FORWARD:
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detail = XEMBED_FOCUS_FIRST;
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break;
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}
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_gtk_xembed_send_focus_message (socket->plug_window, XEMBED_FOCUS_IN, detail);
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}
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void
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_gtk_socket_windowing_send_configure_event (GtkSocket *socket)
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{
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GtkAllocation allocation;
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XConfigureEvent xconfigure;
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gint x, y;
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g_return_if_fail (socket->plug_window != NULL);
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memset (&xconfigure, 0, sizeof (xconfigure));
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xconfigure.type = ConfigureNotify;
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xconfigure.event = GDK_WINDOW_XWINDOW (socket->plug_window);
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xconfigure.window = GDK_WINDOW_XWINDOW (socket->plug_window);
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/* The ICCCM says that synthetic events should have root relative
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* coordinates. We still aren't really ICCCM compliant, since
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* we don't send events when the real toplevel is moved.
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*/
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gdk_error_trap_push ();
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gdk_window_get_origin (socket->plug_window, &x, &y);
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gdk_error_trap_pop_ignored ();
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gtk_widget_get_allocation (GTK_WIDGET(socket), &allocation);
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xconfigure.x = x;
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xconfigure.y = y;
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xconfigure.width = allocation.width;
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xconfigure.height = allocation.height;
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xconfigure.border_width = 0;
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xconfigure.above = None;
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xconfigure.override_redirect = False;
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gdk_error_trap_push ();
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XSendEvent (GDK_WINDOW_XDISPLAY (socket->plug_window),
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GDK_WINDOW_XWINDOW (socket->plug_window),
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False, NoEventMask, (XEvent *)&xconfigure);
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gdk_error_trap_pop_ignored ();
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}
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void
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_gtk_socket_windowing_select_plug_window_input (GtkSocket *socket)
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{
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XSelectInput (GDK_DISPLAY_XDISPLAY (gtk_widget_get_display (GTK_WIDGET (socket))),
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GDK_WINDOW_XWINDOW (socket->plug_window),
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StructureNotifyMask | PropertyChangeMask);
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}
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void
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_gtk_socket_windowing_embed_get_info (GtkSocket *socket)
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{
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unsigned long version;
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unsigned long flags;
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socket->xembed_version = -1;
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if (xembed_get_info (socket->plug_window, &version, &flags))
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{
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socket->xembed_version = MIN (GTK_XEMBED_PROTOCOL_VERSION, version);
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socket->is_mapped = (flags & XEMBED_MAPPED) != 0;
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}
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else
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{
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/* FIXME, we should probably actually check the state before we started */
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socket->is_mapped = TRUE;
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}
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}
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void
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_gtk_socket_windowing_embed_notify (GtkSocket *socket)
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{
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#ifdef HAVE_XFIXES
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GdkDisplay *display = gtk_widget_get_display (GTK_WIDGET (socket));
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gdk_error_trap_push ();
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XFixesChangeSaveSet (GDK_DISPLAY_XDISPLAY (display),
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GDK_WINDOW_XWINDOW (socket->plug_window),
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SetModeInsert, SaveSetRoot, SaveSetUnmap);
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gdk_error_trap_pop_ignored ();
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#endif
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_gtk_xembed_send_message (socket->plug_window,
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XEMBED_EMBEDDED_NOTIFY, 0,
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GDK_WINDOW_XWINDOW (gtk_widget_get_window (GTK_WIDGET (socket))),
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socket->xembed_version);
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}
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static gboolean
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xembed_get_info (GdkWindow *window,
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unsigned long *version,
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unsigned long *flags)
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{
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GdkDisplay *display = gdk_window_get_display (window);
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Atom xembed_info_atom = gdk_x11_get_xatom_by_name_for_display (display, "_XEMBED_INFO");
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Atom type;
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int format;
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unsigned long nitems, bytes_after;
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unsigned char *data;
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unsigned long *data_long;
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int status;
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gdk_error_trap_push ();
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status = XGetWindowProperty (GDK_DISPLAY_XDISPLAY (display),
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GDK_WINDOW_XWINDOW (window),
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xembed_info_atom,
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0, 2, False,
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xembed_info_atom, &type, &format,
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&nitems, &bytes_after, &data);
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gdk_error_trap_pop_ignored ();
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if (status != Success)
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return FALSE; /* Window vanished? */
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if (type == None) /* No info property */
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return FALSE;
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if (type != xembed_info_atom)
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{
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g_warning ("_XEMBED_INFO property has wrong type\n");
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return FALSE;
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}
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if (nitems < 2)
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{
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g_warning ("_XEMBED_INFO too short\n");
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XFree (data);
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return FALSE;
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}
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data_long = (unsigned long *)data;
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if (version)
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*version = data_long[0];
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if (flags)
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*flags = data_long[1] & XEMBED_MAPPED;
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XFree (data);
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return TRUE;
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}
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gboolean
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_gtk_socket_windowing_embed_get_focus_wrapped (void)
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{
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return _gtk_xembed_get_focus_wrapped ();
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}
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void
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_gtk_socket_windowing_embed_set_focus_wrapped (void)
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{
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_gtk_xembed_set_focus_wrapped ();
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}
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static void
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handle_xembed_message (GtkSocket *socket,
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XEmbedMessageType message,
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glong detail,
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glong data1,
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glong data2,
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guint32 time)
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{
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GTK_NOTE (PLUGSOCKET,
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g_message ("GtkSocket: %s received", _gtk_xembed_message_name (message)));
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switch (message)
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{
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case XEMBED_EMBEDDED_NOTIFY:
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case XEMBED_WINDOW_ACTIVATE:
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case XEMBED_WINDOW_DEACTIVATE:
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case XEMBED_MODALITY_ON:
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case XEMBED_MODALITY_OFF:
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case XEMBED_FOCUS_IN:
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case XEMBED_FOCUS_OUT:
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g_warning ("GtkSocket: Invalid _XEMBED message %s received", _gtk_xembed_message_name (message));
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break;
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case XEMBED_REQUEST_FOCUS:
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_gtk_socket_claim_focus (socket, TRUE);
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break;
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case XEMBED_FOCUS_NEXT:
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case XEMBED_FOCUS_PREV:
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_gtk_socket_advance_toplevel_focus (socket,
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(message == XEMBED_FOCUS_NEXT ?
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GTK_DIR_TAB_FORWARD : GTK_DIR_TAB_BACKWARD));
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break;
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case XEMBED_GTK_GRAB_KEY:
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_gtk_socket_add_grabbed_key (socket, data1, data2);
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break;
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case XEMBED_GTK_UNGRAB_KEY:
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_gtk_socket_remove_grabbed_key (socket, data1, data2);
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break;
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case XEMBED_GRAB_KEY:
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case XEMBED_UNGRAB_KEY:
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break;
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default:
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GTK_NOTE (PLUGSOCKET,
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g_message ("GtkSocket: Ignoring unknown _XEMBED message of type %d", message));
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break;
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}
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}
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GdkFilterReturn
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_gtk_socket_windowing_filter_func (GdkXEvent *gdk_xevent,
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GdkEvent *event,
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gpointer data)
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{
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GtkSocket *socket;
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GtkWidget *widget;
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GdkDisplay *display;
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XEvent *xevent;
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GdkFilterReturn return_val;
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socket = GTK_SOCKET (data);
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return_val = GDK_FILTER_CONTINUE;
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if (socket->plug_widget)
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return return_val;
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widget = GTK_WIDGET (socket);
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xevent = (XEvent *)gdk_xevent;
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display = gtk_widget_get_display (widget);
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switch (xevent->type)
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{
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case ClientMessage:
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if (xevent->xclient.message_type == gdk_x11_get_xatom_by_name_for_display (display, "_XEMBED"))
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{
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_gtk_xembed_push_message (xevent);
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handle_xembed_message (socket,
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xevent->xclient.data.l[1],
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xevent->xclient.data.l[2],
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xevent->xclient.data.l[3],
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xevent->xclient.data.l[4],
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xevent->xclient.data.l[0]);
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_gtk_xembed_pop_message ();
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return_val = GDK_FILTER_REMOVE;
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}
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break;
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case CreateNotify:
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{
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XCreateWindowEvent *xcwe = &xevent->xcreatewindow;
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if (!socket->plug_window)
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{
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_gtk_socket_add_window (socket, xcwe->window, FALSE);
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if (socket->plug_window)
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{
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GTK_NOTE (PLUGSOCKET, g_message ("GtkSocket - window created"));
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}
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}
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return_val = GDK_FILTER_REMOVE;
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break;
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}
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case ConfigureRequest:
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{
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XConfigureRequestEvent *xcre = &xevent->xconfigurerequest;
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if (!socket->plug_window)
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_gtk_socket_add_window (socket, xcre->window, FALSE);
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if (socket->plug_window)
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{
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GtkSocketPrivate *private = _gtk_socket_get_private (socket);
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if (xcre->value_mask & (CWWidth | CWHeight))
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{
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GTK_NOTE (PLUGSOCKET,
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g_message ("GtkSocket - configure request: %d %d",
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socket->request_width,
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socket->request_height));
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private->resize_count++;
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gtk_widget_queue_resize (widget);
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}
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else if (xcre->value_mask & (CWX | CWY))
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{
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_gtk_socket_windowing_send_configure_event (socket);
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}
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/* Ignore stacking requests. */
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return_val = GDK_FILTER_REMOVE;
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}
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break;
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}
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case DestroyNotify:
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{
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XDestroyWindowEvent *xdwe = &xevent->xdestroywindow;
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/* Note that we get destroy notifies both from SubstructureNotify on
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* our window and StructureNotify on socket->plug_window
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*/
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if (socket->plug_window && (xdwe->window == GDK_WINDOW_XWINDOW (socket->plug_window)))
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{
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gboolean result;
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GTK_NOTE (PLUGSOCKET, g_message ("GtkSocket - destroy notify"));
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|
gdk_window_destroy_notify (socket->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 (!socket->plug_window)
|
|
{
|
|
_gtk_socket_add_window (socket, xevent->xmaprequest.window, FALSE);
|
|
}
|
|
|
|
if (socket->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 (socket->plug_window &&
|
|
xevent->xproperty.window == GDK_WINDOW_XWINDOW (socket->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"));
|
|
socket->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 ();
|
|
if (gdk_drag_get_protocol_for_display (display,
|
|
xevent->xproperty.window,
|
|
&protocol))
|
|
gtk_drag_dest_set_proxy (GTK_WIDGET (socket),
|
|
socket->plug_window,
|
|
protocol, TRUE);
|
|
|
|
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 (socket->plug_window, NULL, &flags))
|
|
{
|
|
gboolean was_mapped = socket->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 (socket->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 (!socket->plug_window &&
|
|
xre->parent == GDK_WINDOW_XWINDOW (window))
|
|
{
|
|
_gtk_socket_add_window (socket, xre->window, FALSE);
|
|
|
|
if (socket->plug_window)
|
|
{
|
|
GTK_NOTE (PLUGSOCKET, g_message ("GtkSocket - window reparented"));
|
|
}
|
|
|
|
return_val = GDK_FILTER_REMOVE;
|
|
}
|
|
else
|
|
{
|
|
if (socket->plug_window &&
|
|
xre->window == GDK_WINDOW_XWINDOW (socket->plug_window) &&
|
|
xre->parent != GDK_WINDOW_XWINDOW (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 (socket->plug_window &&
|
|
xevent->xunmap.window == GDK_WINDOW_XWINDOW (socket->plug_window))
|
|
{
|
|
GTK_NOTE (PLUGSOCKET, g_message ("GtkSocket - Unmap notify"));
|
|
|
|
_gtk_socket_unmap_notify (socket);
|
|
return_val = GDK_FILTER_REMOVE;
|
|
}
|
|
break;
|
|
|
|
}
|
|
|
|
return return_val;
|
|
}
|