qt_demoe/designer/lib/shared/qdesigner_menubar_p.h

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/****************************************************************************
**
** Copyright (C) 2010 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.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial Usage
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
**
** 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.
**
** 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
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**
** If you have questions regarding the use of this file, please contact
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//
// 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_MENUBAR_H
#define QDESIGNER_MENUBAR_H
#include "shared_global_p.h"
#include <QtGui/QAction>
#include <QtGui/QMenuBar>
#include <QtCore/QPointer>
#include <QtCore/QMimeData>
QT_BEGIN_NAMESPACE
class QDesignerFormWindowInterface;
class QDesignerActionProviderExtension;
class QLineEdit;
class QMimeData;
namespace qdesigner_internal {
class PromotionTaskMenu;
class SpecialMenuAction: public QAction
{
Q_OBJECT
public:
SpecialMenuAction(QObject *parent = 0);
virtual ~SpecialMenuAction();
};
} // namespace qdesigner_internal
class QDESIGNER_SHARED_EXPORT QDesignerMenuBar: public QMenuBar
{
Q_OBJECT
public:
QDesignerMenuBar(QWidget *parent = 0);
virtual ~QDesignerMenuBar();
bool eventFilter(QObject *object, QEvent *event);
QDesignerFormWindowInterface *formWindow() const;
QDesignerActionProviderExtension *actionProvider();
void adjustSpecialActions();
bool interactive(bool i);
bool dragging() const;
void moveLeft(bool ctrl = false);
void moveRight(bool ctrl = false);
void moveUp();
void moveDown();
// Helpers for MenuTaskMenu/MenuBarTaskMenu extensions
QList<QAction *> contextMenuActions();
void deleteMenuAction(QAction *action);
private slots:
void deleteMenu();
void slotRemoveMenuBar();
protected:
virtual void actionEvent(QActionEvent *event);
virtual void dragEnterEvent(QDragEnterEvent *event);
virtual void dragMoveEvent(QDragMoveEvent *event);
virtual void dragLeaveEvent(QDragLeaveEvent *event);
virtual void dropEvent(QDropEvent *event);
virtual void paintEvent(QPaintEvent *event);
virtual void focusOutEvent(QFocusEvent *event);
virtual void keyPressEvent(QKeyEvent *event);
virtual void keyReleaseEvent(QKeyEvent *event);
bool handleEvent(QWidget *widget, QEvent *event);
bool handleMouseDoubleClickEvent(QWidget *widget, QMouseEvent *event);
bool handleMousePressEvent(QWidget *widget, QMouseEvent *event);
bool handleMouseReleaseEvent(QWidget *widget, QMouseEvent *event);
bool handleMouseMoveEvent(QWidget *widget, QMouseEvent *event);
bool handleContextMenuEvent(QWidget *widget, QContextMenuEvent *event);
bool handleKeyPressEvent(QWidget *widget, QKeyEvent *event);
void startDrag(const QPoint &pos);
enum ActionDragCheck { NoActionDrag, ActionDragOnSubMenu, AcceptActionDrag };
ActionDragCheck checkAction(QAction *action) const;
void adjustIndicator(const QPoint &pos);
int findAction(const QPoint &pos) const;
QAction *currentAction() const;
int realActionCount() const;
enum LeaveEditMode {
Default = 0,
ForceAccept
};
void enterEditMode();
void leaveEditMode(LeaveEditMode mode);
void showLineEdit();
void showMenu(int index = -1);
void hideMenu(int index = -1);
QAction *safeActionAt(int index) const;
bool swapActions(int a, int b);
private:
void updateCurrentAction(bool selectAction);
void movePrevious(bool ctrl);
void moveNext(bool ctrl);
QAction *m_addMenu;
QPointer<QMenu> m_activeMenu;
QPoint m_startPosition;
int m_currentIndex;
bool m_interactive;
QLineEdit *m_editor;
bool m_dragging;
int m_lastMenuActionIndex;
QPointer<QWidget> m_lastFocusWidget;
qdesigner_internal::PromotionTaskMenu* m_promotionTaskMenu;
};
QT_END_NAMESPACE
#endif // QDESIGNER_MENUBAR_H