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/****************************************************************************
**
** Copyright (C) 2009 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.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** 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, 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.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists for the convenience
// of Qt Designer. This header
// file may change from version to version without notice, or even be removed.
//
// We mean it.
//
#ifndef QDESIGNER_TOOLBAR_H
#define QDESIGNER_TOOLBAR_H
#include "shared_global_p.h"
#include <QtGui/QAction>
#include <QtGui/QToolButton>
#include <QtCore/QList>
#include <QtCore/QPoint>
QT_BEGIN_NAMESPACE
class QDesignerFormWindowInterface;
class QToolBar;
class QRect;
class QAction;
namespace qdesigner_internal {
class PromotionTaskMenu;
// Special event filter for tool bars in designer.
// Handles drag and drop to and from. Ensures that each
// child widget is WA_TransparentForMouseEvents to enable drag and drop.
class QDESIGNER_SHARED_EXPORT ToolBarEventFilter : public QObject {
Q_OBJECT
public:
static void install(QToolBar *tb);
// Find action by position. Note that QToolBar::actionAt() will
// not work as designer sets WA_TransparentForMouseEvents on its tool bar buttons
// to be able to drag them. This function will return the dummy
// sentinel action when applied to tool bars created by designer if the position matches.
static QAction *actionAt(const QToolBar *tb, const QPoint &pos);
static bool withinHandleArea(const QToolBar *tb, const QPoint &pos);
static QRect handleArea(const QToolBar *tb);
static QRect freeArea(const QToolBar *tb);
// Utility to create an action
static QAction *createAction(QDesignerFormWindowInterface *fw, const QString &objectName, bool separator);
virtual bool eventFilter (QObject *watched, QEvent *event);
// Helper for task menu extension
QList<QAction *> contextMenuActions(const QPoint &globalPos = QPoint(-1, -1));
static ToolBarEventFilter *eventFilterOf(const QToolBar *tb);
private slots:
void slotRemoveSelectedAction();
void slotRemoveToolBar();
void slotInsertSeparator();
private:
explicit ToolBarEventFilter(QToolBar *tb);
bool handleContextMenuEvent(QContextMenuEvent * event);
bool handleDragEnterMoveEvent(QDragMoveEvent *event);
bool handleDragLeaveEvent(QDragLeaveEvent *);
bool handleDropEvent(QDropEvent *event);
bool handleMousePressEvent(QMouseEvent *event);
bool handleMouseReleaseEvent(QMouseEvent *event);
bool handleMouseMoveEvent(QMouseEvent *event);
QDesignerFormWindowInterface *formWindow() const;
void adjustDragIndicator(const QPoint &pos);
void hideDragIndicator();
void startDrag(const QPoint &pos, Qt::KeyboardModifiers modifiers);
bool withinHandleArea(const QPoint &pos) const;
QToolBar *m_toolBar;
PromotionTaskMenu *m_promotionTaskMenu;
QPoint m_startPosition;
};
} // namespace qdesigner_internal
QT_END_NAMESPACE
#endif // QDESIGNER_TOOLBAR_H
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