netsurf/windows/window.c

53 lines
1.3 KiB
C

/*
* Copyright 2011 Vincent Sanders <vince@simtec.co.uk>
*
* This file is part of NetSurf, http://www.netsurf-browser.org/
*
* NetSurf is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* NetSurf 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdbool.h>
#include <windows.h>
#include "windows/window.h"
/* documented in windows/window.h */
struct gui_window *
nsws_get_gui_window(HWND hwnd)
{
struct gui_window *gw = NULL;
HWND phwnd = hwnd;
/* scan the window hierachy for gui window */
while (phwnd != NULL) {
gw = GetProp(phwnd, TEXT("GuiWnd"));
if (gw != NULL)
break;
phwnd = GetParent(phwnd);
}
if (gw == NULL) {
/* try again looking for owner windows instead */
phwnd = hwnd;
while (phwnd != NULL) {
gw = GetProp(phwnd, TEXT("GuiWnd"));
if (gw != NULL)
break;
phwnd = GetWindow(phwnd, GW_OWNER);
}
}
return gw;
}