blob: e378c8463ad14f1ee9c6fd2fc5a0eccb20626eef [file] [log] [blame]
// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ui/base/gtk/gtk_windowing.h"
#include <gdk/gdkx.h>
#include "base/logging.h"
#include "ui/base/x/x11_util.h"
#include "ui/gfx/gtk_compat.h"
namespace ui {
void StackPopupWindow(GtkWidget* popup, GtkWidget* toplevel) {
DCHECK(GTK_IS_WINDOW(popup) && gtk_widget_is_toplevel(popup) &&
DCHECK(GTK_IS_WINDOW(toplevel) && gtk_widget_is_toplevel(toplevel) &&
// Stack the |popup| window directly above the |toplevel| window.
// The popup window is a direct child of the root window, so we need to
// find a similar ancestor for the toplevel window (which might have been
// reparented by a window manager). We grab the server while we're doing
// this -- otherwise, we'll get an error if the window manager reparents the
// toplevel window right after we call GetHighestAncestorWindow().
XID toplevel_window_base = ui::GetHighestAncestorWindow(
if (toplevel_window_base) {
XID window_xid = ui::GetX11WindowFromGtkWidget(popup);
XID window_parent = ui::GetParentWindow(window_xid);
if (window_parent == ui::GetX11RootWindow()) {
ui::RestackWindow(window_xid, toplevel_window_base, true);
} else {
// The window manager shouldn't reparent override-redirect windows.
DLOG(ERROR) << "override-redirect window " << window_xid
<< "'s parent is " << window_parent
<< ", rather than root window "
<< ui::GetX11RootWindow();
} // namespace ui