109 lines
3.9 KiB
C++
109 lines
3.9 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the Qt Designer of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial Usage
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** Licensees holding valid Qt Commercial licenses may use this file in
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** accordance with the Qt Commercial License Agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Nokia.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef ACTIONPROVIDER_H
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#define ACTIONPROVIDER_H
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//
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// W A R N I N G
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// -------------
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//
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// This file is not part of the Qt API. It exists purely as an
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// implementation detail. This header file may change from version to
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// version without notice, or even be removed.
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//
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// We mean it.
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//
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#include <QtDesigner/extension.h>
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#include <QtCore/QPoint>
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#include <QtCore/QRect>
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#include <QtGui/QApplication>
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QT_BEGIN_NAMESPACE
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class QAction;
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class QDesignerActionProviderExtension
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{
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public:
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virtual ~QDesignerActionProviderExtension() {}
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virtual QRect actionGeometry(QAction *action) const = 0;
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virtual QAction *actionAt(const QPoint &pos) const = 0;
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virtual void adjustIndicator(const QPoint &pos) = 0;
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};
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// Find action at the given position for a widget that has actionGeometry() (QToolBar,
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// QMenuBar, QMenu). They usually have actionAt(), but that fails since Designer usually sets
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// WA_TransparentForMouseEvents on the widgets.
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template <class Widget>
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int actionIndexAt(const Widget *w, const QPoint &pos, Qt::Orientation orientation)
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{
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const QList<QAction*> actions = w->actions();
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const int actionCount = actions.count();
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if (actionCount == 0)
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return -1;
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// actionGeometry() can be wrong sometimes; it returns a geometry that
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// stretches to the end of the toolbar/menu bar. So, check from the beginning
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// in the case of a horizontal right-to-left orientation.
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const bool checkTopRight = orientation == Qt::Horizontal && w->layoutDirection() == Qt::RightToLeft;
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const QPoint topRight = QPoint(w->rect().width(), 0);
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for (int index = 0; index < actionCount; ++index) {
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QRect g = w->actionGeometry(actions.at(index));
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if (checkTopRight)
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g.setTopRight(topRight);
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else
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g.setTopLeft(QPoint(0, 0));
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if (g.contains(pos))
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return index;
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}
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return -1;
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}
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Q_DECLARE_EXTENSION_INTERFACE(QDesignerActionProviderExtension, "com.trolltech.Qt.Designer.ActionProvider")
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QT_END_NAMESPACE
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#endif // ACTIONPROVIDER_H
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