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/* GTK - The GIMP Toolkit
* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
* Copyright (C) 2005 Novell, Inc.
*
* 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 Tor Lillqvist <tml@novell.com> 2005 */
/*
* Modified by the GTK+ Team and others 1997-2005. 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 "gtkmarshalers.h"
#include "gtkplug.h"
#include "gtkplugprivate.h"
#include "win32/gdkwin32.h"
#include "gtkwin32embed.h"
#include "gtkalias.h"
#if defined(_MSC_VER) && (WINVER < 0x0500)
#ifndef GA_PARENT
#define GA_PARENT 1
#endif
WINUSERAPI HWND WINAPI GetAncestor(HWND,UINT);
#endif
GdkNativeWindow
_gtk_plug_windowing_get_id (GtkPlug *plug)
{
return (GdkNativeWindow) GDK_WINDOW_HWND (GTK_WIDGET (plug)->window);
}
void
_gtk_plug_windowing_realize_toplevel (GtkPlug *plug)
{
if (plug->socket_window)
{
_gtk_win32_embed_send (plug->socket_window,
GTK_WIN32_EMBED_PARENT_NOTIFY,
(WPARAM) GDK_WINDOW_HWND (GTK_WIDGET (plug)->window),
GTK_WIN32_EMBED_PROTOCOL_VERSION);
_gtk_win32_embed_send (plug->socket_window,
GTK_WIN32_EMBED_EVENT_PLUG_MAPPED, 0, 0);
}
}
void
_gtk_plug_windowing_map_toplevel (GtkPlug *plug)
{
if (plug->socket_window)
_gtk_win32_embed_send (plug->socket_window,
GTK_WIN32_EMBED_EVENT_PLUG_MAPPED,
1, 0);
}
void
_gtk_plug_windowing_unmap_toplevel (GtkPlug *plug)
{
if (plug->socket_window)
_gtk_win32_embed_send (plug->socket_window,
GTK_WIN32_EMBED_EVENT_PLUG_MAPPED,
0, 0);
}
void
_gtk_plug_windowing_set_focus (GtkPlug *plug)
{
if (plug->socket_window)
_gtk_win32_embed_send (plug->socket_window,
GTK_WIN32_EMBED_REQUEST_FOCUS,
0, 0);
}
void
_gtk_plug_windowing_add_grabbed_key (GtkPlug *plug,
guint accelerator_key,
GdkModifierType accelerator_mods)
{
if (plug->socket_window)
_gtk_win32_embed_send (plug->socket_window,
GTK_WIN32_EMBED_GRAB_KEY,
accelerator_key, accelerator_mods);
}
void
_gtk_plug_windowing_remove_grabbed_key (GtkPlug *plug,
guint accelerator_key,
GdkModifierType accelerator_mods)
{
if (plug->socket_window)
_gtk_win32_embed_send (plug->socket_window,
GTK_WIN32_EMBED_UNGRAB_KEY,
accelerator_key, accelerator_mods);
}
void
_gtk_plug_windowing_focus_to_parent (GtkPlug *plug,
GtkDirectionType direction)
{
GtkWin32EmbedMessageType message = GTK_WIN32_EMBED_FOCUS_PREV;
switch (direction)
{
case GTK_DIR_UP:
case GTK_DIR_LEFT:
case GTK_DIR_TAB_BACKWARD:
message = GTK_WIN32_EMBED_FOCUS_PREV;
break;
case GTK_DIR_DOWN:
case GTK_DIR_RIGHT:
case GTK_DIR_TAB_FORWARD:
message = GTK_WIN32_EMBED_FOCUS_NEXT;
break;
}
_gtk_win32_embed_send_focus_message (plug->socket_window, message, 0);
}
GdkFilterReturn
_gtk_plug_windowing_filter_func (GdkXEvent *gdk_xevent,
GdkEvent *event,
gpointer data)
{
GtkPlug *plug = GTK_PLUG (data);
MSG *msg = (MSG *) gdk_xevent;
GdkFilterReturn return_val = GDK_FILTER_CONTINUE;
switch (msg->message)
{
/* What message should we look for to notice the reparenting?
* Maybe WM_WINDOWPOSCHANGED will work? This is handled in the
* X11 implementation by handling ReparentNotify. Handle this
* only for cross-process embedding, otherwise we get odd
* crashes in testsocket.
*/
case WM_WINDOWPOSCHANGED:
if (!plug->same_app)
{
HWND parent = GetAncestor (msg->hwnd, GA_PARENT);
gboolean was_embedded = plug->socket_window != NULL;
GdkScreen *screen = gdk_drawable_get_screen (event->any.window);
GdkDisplay *display = gdk_screen_get_display (screen);
GTK_NOTE (PLUGSOCKET, g_printerr ("WM_WINDOWPOSCHANGED: hwnd=%p GA_PARENT=%p socket_window=%p\n", msg->hwnd, parent, plug->socket_window));
g_object_ref (plug);
if (was_embedded)
{
/* End of embedding protocol for previous socket */
if (parent != GDK_WINDOW_HWND (plug->socket_window))
{
GtkWidget *widget = GTK_WIDGET (plug);
GTK_NOTE (PLUGSOCKET, g_printerr ("was_embedded, current parent != socket_window\n"));
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. Only do this if we are being
* reparented to the desktop window. Moving from one
* embedder to another should be invisible to the app.
*/
if (parent == GetDesktopWindow ())
{
GTK_NOTE (PLUGSOCKET, g_printerr ("current parent is root window\n"));
_gtk_plug_send_delete_event (widget);
return_val = GDK_FILTER_REMOVE;
}
}
else
{
GTK_NOTE (PLUGSOCKET, g_printerr ("still same parent\n"));
goto done;
}
}
if (parent != GetDesktopWindow ())
{
/* Start of embedding protocol */
GTK_NOTE (PLUGSOCKET, g_printerr ("start of embedding\n"));
plug->socket_window = gdk_window_lookup_for_display (display, (GdkNativeWindow) parent);
if (plug->socket_window)
{
gpointer user_data = NULL;
GTK_NOTE (PLUGSOCKET, g_printerr ("already had socket_window\n"));
gdk_window_get_user_data (plug->socket_window, &user_data);
if (user_data)
{
g_warning (G_STRLOC "Plug reparented unexpectedly into window in the same process");
plug->socket_window = NULL;
break;
}
g_object_ref (plug->socket_window);
}
else
{
plug->socket_window = gdk_window_foreign_new_for_display (display, (GdkNativeWindow) parent);
if (!plug->socket_window) /* Already gone */
break;
}
_gtk_plug_add_all_grabbed_keys (plug);
if (!was_embedded)
g_signal_emit_by_name (plug, "embedded");
}
done:
g_object_unref (plug);
}
break;
case WM_SIZE:
if (!plug->same_app && plug->socket_window)
{
_gtk_win32_embed_send (plug->socket_window,
GTK_WIN32_EMBED_PLUG_RESIZED,
0, 0);
}
break;
default:
if (msg->message == _gtk_win32_embed_message_type (GTK_WIN32_EMBED_WINDOW_ACTIVATE))
{
GTK_NOTE (PLUGSOCKET, g_printerr ("GtkPlug: WINDOW_ACTIVATE received\n"));
_gtk_win32_embed_push_message (msg);
_gtk_window_set_is_active (GTK_WINDOW (plug), TRUE);
_gtk_win32_embed_pop_message ();
return_val = GDK_FILTER_REMOVE;
}
else if (msg->message == _gtk_win32_embed_message_type (GTK_WIN32_EMBED_WINDOW_DEACTIVATE))
{
GTK_NOTE (PLUGSOCKET, g_printerr ("GtkPlug: WINDOW_DEACTIVATE received\n"));
_gtk_win32_embed_push_message (msg);
_gtk_window_set_is_active (GTK_WINDOW (plug), FALSE);
_gtk_win32_embed_pop_message ();
return_val = GDK_FILTER_REMOVE;
}
else if (msg->message == _gtk_win32_embed_message_type (GTK_WIN32_EMBED_FOCUS_IN))
{
GTK_NOTE (PLUGSOCKET, g_printerr ("GtkPlug: FOCUS_IN received\n"));
_gtk_win32_embed_push_message (msg);
_gtk_window_set_has_toplevel_focus (GTK_WINDOW (plug), TRUE);
switch (msg->wParam)
{
case GTK_WIN32_EMBED_FOCUS_CURRENT:
break;
case GTK_WIN32_EMBED_FOCUS_FIRST:
_gtk_plug_focus_first_last (plug, GTK_DIR_TAB_FORWARD);
break;
case GTK_WIN32_EMBED_FOCUS_LAST:
_gtk_plug_focus_first_last (plug, GTK_DIR_TAB_BACKWARD);
break;
}
_gtk_win32_embed_pop_message ();
return_val = GDK_FILTER_REMOVE;
}
else if (msg->message == _gtk_win32_embed_message_type (GTK_WIN32_EMBED_FOCUS_OUT))
{
GTK_NOTE (PLUGSOCKET, g_printerr ("GtkPlug: FOCUS_OUT received\n"));
_gtk_win32_embed_push_message (msg);
_gtk_window_set_has_toplevel_focus (GTK_WINDOW (plug), FALSE);
_gtk_win32_embed_pop_message ();
return_val = GDK_FILTER_REMOVE;
}
else if (msg->message == _gtk_win32_embed_message_type (GTK_WIN32_EMBED_MODALITY_ON))
{
GTK_NOTE (PLUGSOCKET, g_printerr ("GtkPlug: MODALITY_ON received\n"));
_gtk_win32_embed_push_message (msg);
_gtk_plug_handle_modality_on (plug);
_gtk_win32_embed_pop_message ();
return_val = GDK_FILTER_REMOVE;
}
else if (msg->message == _gtk_win32_embed_message_type (GTK_WIN32_EMBED_MODALITY_OFF))
{
GTK_NOTE (PLUGSOCKET, g_printerr ("GtkPlug: MODALITY_OFF received\n"));
_gtk_win32_embed_push_message (msg);
_gtk_plug_handle_modality_off (plug);
_gtk_win32_embed_pop_message ();
return_val = GDK_FILTER_REMOVE;
}
break;
}
return return_val;
}
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