gtk2/gtk/gtksocket-win32.c

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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 <config.h>
#include <string.h>
#include "gtkwindow.h"
#include "gtkplug.h"
#include "gtkprivate.h"
#include "gtksocket.h"
#include "gtksocketprivate.h"
#include "win32/gdkwin32.h"
#include "gtkwin32embed.h"
GdkNativeWindow
_gtk_socket_windowing_get_id (GtkSocket *socket)
{
g_return_val_if_fail (GTK_IS_SOCKET (socket), 0);
g_return_val_if_fail (GTK_WIDGET_ANCHORED (socket), 0);
if (!GTK_WIDGET_REALIZED (socket))
gtk_widget_realize (GTK_WIDGET (socket));
return (GdkNativeWindow) GDK_WINDOW_HWND (GTK_WIDGET (socket)->window);
}
void
_gtk_socket_windowing_realize_window (GtkSocket *socket)
{
/* XXX Anything needed? */
}
void
_gtk_socket_windowing_end_embedding_toplevel (GtkSocket *socket)
{
gtk_window_remove_embedded_xid (GTK_WINDOW (gtk_widget_get_toplevel (GTK_WIDGET (socket))),
(guint) GDK_WINDOW_HWND (socket->plug_window));
}
void
_gtk_socket_windowing_size_request (GtkSocket *socket)
{
MINMAXINFO mmi;
socket->request_width = 1;
socket->request_height = 1;
mmi.ptMaxSize.x = mmi.ptMaxSize.y = 16000; /* ??? */
mmi.ptMinTrackSize.x = mmi.ptMinTrackSize.y = 1;
mmi.ptMaxTrackSize.x = mmi.ptMaxTrackSize.y = 16000; /* ??? */
mmi.ptMaxPosition.x = mmi.ptMaxPosition.y = 0;
if (SendMessage (GDK_WINDOW_HWND (socket->plug_window), WM_GETMINMAXINFO,
0, (LPARAM) &mmi) == 0)
{
socket->request_width = mmi.ptMinTrackSize.x;
socket->request_height = mmi.ptMinTrackSize.y;
}
socket->have_size = TRUE;
}
void
_gtk_socket_windowing_send_key_event (GtkSocket *socket,
GdkEvent *gdk_event,
gboolean mask_key_presses)
{
PostMessage (GDK_WINDOW_HWND (socket->plug_window),
(gdk_event->type == GDK_KEY_PRESS ? WM_KEYDOWN : WM_KEYUP),
gdk_event->key.hardware_keycode, 0);
}
void
_gtk_socket_windowing_focus_change (GtkSocket *socket,
gboolean focus_in)
{
if (focus_in)
_gtk_win32_embed_send_focus_message (socket->plug_window,
GTK_WIN32_EMBED_FOCUS_IN,
GTK_WIN32_EMBED_FOCUS_CURRENT);
else
_gtk_win32_embed_send (socket->plug_window,
GTK_WIN32_EMBED_FOCUS_OUT,
0, 0);
}
void
_gtk_socket_windowing_update_active (GtkSocket *socket,
gboolean active)
{
_gtk_win32_embed_send (socket->plug_window,
(active ? GTK_WIN32_EMBED_WINDOW_ACTIVATE : GTK_WIN32_EMBED_WINDOW_DEACTIVATE),
0, 0);
}
void
_gtk_socket_windowing_update_modality (GtkSocket *socket,
gboolean modality)
{
_gtk_win32_embed_send (socket->plug_window,
(modality ? GTK_WIN32_EMBED_MODALITY_ON : GTK_WIN32_EMBED_MODALITY_OFF),
0, 0);
}
void
_gtk_socket_windowing_focus (GtkSocket *socket,
GtkDirectionType direction)
{
int detail = -1;
switch (direction)
{
case GTK_DIR_UP:
case GTK_DIR_LEFT:
case GTK_DIR_TAB_BACKWARD:
detail = GTK_WIN32_EMBED_FOCUS_LAST;
break;
case GTK_DIR_DOWN:
case GTK_DIR_RIGHT:
case GTK_DIR_TAB_FORWARD:
detail = GTK_WIN32_EMBED_FOCUS_FIRST;
break;
}
_gtk_win32_embed_send_focus_message (socket->plug_window,
GTK_WIN32_EMBED_FOCUS_IN,
detail);
}
void
_gtk_socket_windowing_send_configure_event (GtkSocket *socket)
{
/* XXX Nothing needed? */
}
void
_gtk_socket_windowing_select_plug_window_input (GtkSocket *socket)
{
/* XXX Nothing needed? */
}
void
_gtk_socket_windowing_embed_get_info (GtkSocket *socket)
{
socket->is_mapped = TRUE; /* XXX ? */
}
void
_gtk_socket_windowing_embed_notify (GtkSocket *socket)
{
/* XXX Nothing needed? */
}
gboolean
_gtk_socket_windowing_embed_get_focus_wrapped (void)
{
return _gtk_win32_embed_get_focus_wrapped ();
}
void
_gtk_socket_windowing_embed_set_focus_wrapped (void)
{
_gtk_win32_embed_set_focus_wrapped ();
}
GdkFilterReturn
_gtk_socket_windowing_filter_func (GdkXEvent *gdk_xevent,
GdkEvent *event,
gpointer data)
{
GtkSocket *socket;
GtkWidget *widget;
MSG *msg;
GdkFilterReturn return_val;
socket = GTK_SOCKET (data);
return_val = GDK_FILTER_CONTINUE;
if (socket->plug_widget)
return return_val;
widget = GTK_WIDGET (socket);
msg = (MSG *) gdk_xevent;
switch (msg->message)
{
default:
if (msg->message == _gtk_win32_embed_message_type (GTK_WIN32_EMBED_PARENT_NOTIFY))
{
GTK_NOTE (PLUGSOCKET, g_printerr ("GtkSocket: PARENT_NOTIFY received window=%#x version=%ld\n", msg->wParam, msg->lParam));
/* If we some day different protocols deployed need to add
* some more elaborate version handshake
*/
if (msg->lParam != GTK_WIN32_EMBED_PROTOCOL_VERSION)
g_warning ("GTK Win32 embedding protocol version mismatch, "
"client uses version %ld, we understand version %d",
msg->lParam, GTK_WIN32_EMBED_PROTOCOL_VERSION);
if (!socket->plug_window)
{
_gtk_socket_add_window (socket, msg->wParam, FALSE);
if (socket->plug_window)
GTK_NOTE (PLUGSOCKET, g_printerr ("GtkSocket: window created"));
return_val = GDK_FILTER_REMOVE;
}
}
else if (msg->message == _gtk_win32_embed_message_type (GTK_WIN32_EMBED_EVENT_PLUG_MAPPED))
{
gboolean was_mapped = socket->is_mapped;
gboolean is_mapped = msg->wParam != 0;
GTK_NOTE (PLUGSOCKET, g_printerr ("GtkSocket: PLUG_MAPPED received is_mapped:%d\n", is_mapped));
if (was_mapped != is_mapped)
{
if (is_mapped)
_gtk_socket_handle_map_request (socket);
else
{
gdk_window_show (socket->plug_window);
_gtk_socket_unmap_notify (socket);
}
}
return_val = GDK_FILTER_REMOVE;
}
else if (msg->message == _gtk_win32_embed_message_type (GTK_WIN32_EMBED_PLUG_RESIZED))
{
GTK_NOTE (PLUGSOCKET, g_printerr ("GtkSocket: PLUG_RESIZED received\n"));
socket->have_size = FALSE;
gtk_widget_queue_resize (widget);
return_val = GDK_FILTER_REMOVE;
}
else if (msg->message == _gtk_win32_embed_message_type (GTK_WIN32_EMBED_REQUEST_FOCUS))
{
GTK_NOTE (PLUGSOCKET, g_printerr ("GtkSocket: REQUEST_FOCUS received\n"));
_gtk_win32_embed_push_message (msg);
_gtk_socket_claim_focus (socket, TRUE);
_gtk_win32_embed_pop_message ();
return_val = GDK_FILTER_REMOVE;
}
else if (msg->message == _gtk_win32_embed_message_type (GTK_WIN32_EMBED_FOCUS_NEXT))
{
GTK_NOTE (PLUGSOCKET, g_printerr ("GtkSocket: FOCUS_NEXT received\n"));
_gtk_win32_embed_push_message (msg);
_gtk_socket_advance_toplevel_focus (socket, GTK_DIR_TAB_FORWARD);
_gtk_win32_embed_pop_message ();
return_val = GDK_FILTER_REMOVE;
}
else if (msg->message == _gtk_win32_embed_message_type (GTK_WIN32_EMBED_FOCUS_PREV))
{
GTK_NOTE (PLUGSOCKET, g_printerr ("GtkSocket: FOCUS_PREV received\n"));
_gtk_win32_embed_push_message (msg);
_gtk_socket_advance_toplevel_focus (socket, GTK_DIR_TAB_BACKWARD);
_gtk_win32_embed_pop_message ();
return_val = GDK_FILTER_REMOVE;
}
else if (msg->message == _gtk_win32_embed_message_type (GTK_WIN32_EMBED_GRAB_KEY))
{
GTK_NOTE (PLUGSOCKET, g_printerr ("GtkSocket: GRAB_KEY received\n"));
_gtk_win32_embed_push_message (msg);
_gtk_socket_add_grabbed_key (socket, msg->wParam, msg->lParam);
_gtk_win32_embed_pop_message ();
return_val = GDK_FILTER_REMOVE;
}
else if (msg->message == _gtk_win32_embed_message_type (GTK_WIN32_EMBED_UNGRAB_KEY))
{
GTK_NOTE (PLUGSOCKET, g_printerr ("GtkSocket: UNGRAB_KEY received\n"));
_gtk_win32_embed_push_message (msg);
_gtk_socket_remove_grabbed_key (socket, msg->wParam, msg->lParam);
_gtk_win32_embed_pop_message ();
return_val = GDK_FILTER_REMOVE;
}
break;
}
return return_val;
}