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