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Utils: Export execMenuAtWidget

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Change-Id: I77c89263746390a20dee90ff435db08f0e08f03e
Reviewed-by: Tobias Hunger <tobias.hunger@digia.com>
Reviewed-by: Eike Ziller <eike.ziller@digia.com>
This commit is contained in:
Orgad Shaneh
2013-12-02 23:31:02 +02:00
committed by Orgad Shaneh
parent 56c26fe6c0
commit 0c0c1cd58f
5 changed files with 125 additions and 33 deletions
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src/libs/utils/execmenu.cpp Normal file
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/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
****************************************************************************/
#include "execmenu.h"
#include <QApplication>
#include <QDesktopWidget>
#include <QMenu>
#include <QPoint>
#include <QRect>
#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 = qApp->desktop()->availableGeometry(widget);
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