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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0+ OR GPL-3.0 WITH Qt-GPL-exception-1.0
#include "execmenu.h"
#include <QMenu>
#include <QPoint>
#include <QRect>
#include <QScreen>
#include <QSize>
#include <QWidget>
namespace Utils {
/*!
* Opens \a menu at the specified \a widget position.
* This function computes the position where to show the menu, and opens it with
* QMenu::exec().
*/
QAction *execMenuAtWidget(QMenu *menu, QWidget *widget)
{
QPoint p;
QRect screen = widget->screen()->availableGeometry();
QSize sh = menu->sizeHint();
QRect rect = widget->rect();
if (widget->isRightToLeft()) {
if (widget->mapToGlobal(QPoint(0, rect.bottom())).y() + sh.height() <= screen.height())
p = widget->mapToGlobal(rect.bottomRight());
else
p = widget->mapToGlobal(rect.topRight() - QPoint(0, sh.height()));
p.rx() -= sh.width();
} else {
if (widget->mapToGlobal(QPoint(0, rect.bottom())).y() + sh.height() <= screen.height())
p = widget->mapToGlobal(rect.bottomLeft());
else
p = widget->mapToGlobal(rect.topLeft() - QPoint(0, sh.height()));
}
p.rx() = qMax(screen.left(), qMin(p.x(), screen.right() - sh.width()));
p.ry() += 1;
return menu->exec(p);
}
} // namespace Utils
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