/**************************************************************************** | |
** | |
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). | |
** All rights reserved. | |
** Contact: Nokia Corporation (qt-info@nokia.com) | |
** | |
** This file is part of the Qt Designer of the Qt Toolkit. | |
** | |
** $QT_BEGIN_LICENSE:LGPL$ | |
** GNU Lesser General Public License Usage | |
** This file may be used under the terms of the GNU Lesser General Public | |
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** file. Please review the following information to ensure the GNU Lesser | |
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** | |
** In addition, as a special exception, Nokia gives you certain additional | |
** rights. These rights are described in the Nokia Qt LGPL Exception | |
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. | |
** | |
** GNU General Public License Usage | |
** Alternatively, this file may be used under the terms of the GNU General | |
** Public License version 3.0 as published by the Free Software Foundation | |
** and appearing in the file LICENSE.GPL included in the packaging of this | |
** file. Please review the following information to ensure the GNU General | |
** Public License version 3.0 requirements will be met: | |
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** $QT_END_LICENSE$ | |
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****************************************************************************/ | |
#ifndef ACTIONPROVIDER_H | |
#define ACTIONPROVIDER_H | |
// | |
// W A R N I N G | |
// ------------- | |
// | |
// This file is not part of the Qt API. It exists purely as an | |
// implementation detail. This header file may change from version to | |
// version without notice, or even be removed. | |
// | |
// We mean it. | |
// | |
#include <QtDesigner/extension.h> | |
#include <QtCore/QPoint> | |
#include <QtCore/QRect> | |
#include <QtGui/QApplication> | |
QT_BEGIN_NAMESPACE | |
class QAction; | |
class QDesignerActionProviderExtension | |
{ | |
public: | |
virtual ~QDesignerActionProviderExtension() {} | |
virtual QRect actionGeometry(QAction *action) const = 0; | |
virtual QAction *actionAt(const QPoint &pos) const = 0; | |
virtual void adjustIndicator(const QPoint &pos) = 0; | |
}; | |
// Find action at the given position for a widget that has actionGeometry() (QToolBar, | |
// QMenuBar, QMenu). They usually have actionAt(), but that fails since Designer usually sets | |
// WA_TransparentForMouseEvents on the widgets. | |
template <class Widget> | |
int actionIndexAt(const Widget *w, const QPoint &pos, Qt::Orientation orientation) | |
{ | |
const QList<QAction*> actions = w->actions(); | |
const int actionCount = actions.count(); | |
if (actionCount == 0) | |
return -1; | |
// actionGeometry() can be wrong sometimes; it returns a geometry that | |
// stretches to the end of the toolbar/menu bar. So, check from the beginning | |
// in the case of a horizontal right-to-left orientation. | |
const bool checkTopRight = orientation == Qt::Horizontal && w->layoutDirection() == Qt::RightToLeft; | |
const QPoint topRight = QPoint(w->rect().width(), 0); | |
for (int index = 0; index < actionCount; ++index) { | |
QRect g = w->actionGeometry(actions.at(index)); | |
if (checkTopRight) | |
g.setTopRight(topRight); | |
else | |
g.setTopLeft(QPoint(0, 0)); | |
if (g.contains(pos)) | |
return index; | |
} | |
return -1; | |
} | |
Q_DECLARE_EXTENSION_INTERFACE(QDesignerActionProviderExtension, "com.trolltech.Qt.Designer.ActionProvider") | |
QT_END_NAMESPACE | |
#endif // ACTIONPROVIDER_H |