qdesigner_menubar_p.h

qt-x11-opensource-src-4.1.4.tar.gz源码

/****************************************************************************
**
** Copyright (C) 1992-2006 Trolltech ASA. All rights reserved.
**
** This file is part of the Qt Designer of the Qt Toolkit.
**
** This file may be used under the terms of the GNU General Public
** License version 2.0 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 GNU
** General Public Licensing requirements will be met:
** http://www.trolltech.com/products/qt/opensource.html
**
** If you are unsure which license is appropriate for your use, please
** review the following information:
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** sales department at [e-mail].
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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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>

class QTimer;
class QToolButton;
class QLineEdit;

class QDesignerFormWindowInterface;
class QDesignerActionProviderExtension;
class QDesignerMenuBar;

namespace qdesigner_internal {

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();

private slots:
    void slotRemoveSelectedAction();
    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);

    QAction *actionMimeData(const QMimeData *mimeData) const;
    bool checkAction(QAction *action) const;

    void adjustIndicator(const QPoint &pos);
    int findAction(const QPoint &pos) const;
    int actionAtPosition(const QPoint &pos) const;

    QAction *currentAction() const;
    int realActionCount() const;

    enum LeaveEditMode {
        Default = 0,
        ForceAccept
    };

    void enterEditMode();
    void leaveEditMode(LeaveEditMode mode);
    void showLineEdit();

    void deleteMenu();
    void showMenu(int index = -1);
    void hideMenu(int index = -1);

    QAction *createAction(const QString &objectName);
    QAction *safeActionAt(int index) const;

    bool swap(int a, int b);

private:
    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;
};

#endif // QDESIGNER_MENUBAR_H