1/*
2 * Copyright (C) 2011, Igalia S.L.
3 *
4 *  This library is free software; you can redistribute it and/or
5 *  modify it under the terms of the GNU Lesser General Public
6 *  License as published by the Free Software Foundation; either
7 *  version 2 of the License, or (at your option) any later version.
8 *
9 *  This library is distributed in the hope that it will be useful,
10 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
11 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12 *  Lesser General Public License for more details.
13 *
14 *  You should have received a copy of the GNU Lesser General Public
15 *  License along with this library; if not, write to the Free Software
16 *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
17 */
18
19#include "config.h"
20#include "GtkUtilities.h"
21
22#include "IntPoint.h"
23#include <gtk/gtk.h>
24
25namespace WebCore {
26
27IntPoint convertWidgetPointToScreenPoint(GtkWidget* widget, const IntPoint& point)
28{
29    // FIXME: This is actually a very tricky operation and the results of this function should
30    // only be thought of as a guess. For instance, sometimes it may not correctly take into
31    // account window decorations.
32
33    GtkWidget* toplevelWidget = gtk_widget_get_toplevel(widget);
34    if (!toplevelWidget || !gtk_widget_is_toplevel(toplevelWidget) || !GTK_IS_WINDOW(toplevelWidget))
35        return point;
36
37    GdkWindow* gdkWindow = gtk_widget_get_window(toplevelWidget);
38    if (!gdkWindow)
39        return point;
40
41    int xInWindow, yInWindow;
42    gtk_widget_translate_coordinates(widget, toplevelWidget, point.x(), point.y(), &xInWindow, &yInWindow);
43
44    int windowOriginX, windowOriginY;
45    gdk_window_get_origin(gdkWindow, &windowOriginX, &windowOriginY);
46
47    return IntPoint(windowOriginX + xInWindow, windowOriginY + yInWindow);
48}
49
50bool widgetIsOnscreenToplevelWindow(GtkWidget* widget)
51{
52    return gtk_widget_is_toplevel(widget) && GTK_IS_WINDOW(widget) && !GTK_IS_OFFSCREEN_WINDOW(widget);
53}
54
55} // namespace WebCore
56