actionrepository_p.h

来自「奇趣公司比较新的qt/emd版本」· C头文件 代码 · 共 111 行

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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 ACTIONREPOSITORY_H
#define ACTIONREPOSITORY_H

#include "shared_global_p.h"
#include <QtCore/QMimeData>
#include <QtGui/QListWidget>

class QPixmap;

namespace qdesigner_internal {

class ResourceMimeData;

class QDESIGNER_SHARED_EXPORT ActionRepository: public QListWidget
{
    Q_OBJECT
public:
    enum   { ActionRole = Qt::UserRole + 1000 };

public:
    ActionRepository(QWidget *parent = 0);
    bool event ( QEvent * event );

signals:
    void contextMenuRequested(QContextMenuEvent *event, QListWidgetItem *item);
    void resourceImageDropped(const ResourceMimeData &data, QAction *action);

public slots:
    void filter(const QString &text);

protected:
    virtual void dragEnterEvent(QDragEnterEvent *event);
    virtual void dragMoveEvent(QDragMoveEvent *event);
    virtual void startDrag(Qt::DropActions supportedActions);
    virtual bool dropMimeData (int index, const QMimeData * data, Qt::DropAction action );
    virtual QMimeData *mimeData(const QList<QListWidgetItem*> items) const;
    virtual void focusInEvent(QFocusEvent *event);
    virtual void contextMenuEvent(QContextMenuEvent *event);
};

class QDESIGNER_SHARED_EXPORT ActionRepositoryMimeData: public QMimeData
{
    Q_OBJECT
public:
    typedef QList<QAction*> ActionList;

    ActionRepositoryMimeData(const ActionList &, Qt::DropAction dropAction);
    ActionRepositoryMimeData(QAction *, Qt::DropAction dropAction);

    const ActionList &actionList() const { return m_actionList; }
    virtual QStringList formats() const;

    static QPixmap actionDragPixmap(const QAction *action);
    
    // Utility to accept with right action
    void accept(QDragMoveEvent *event) const;
private:
    const Qt::DropAction m_dropAction;
    ActionList m_actionList;
};
} // namespace qdesigner_internal

#endif // ACTIONREPOSITORY_H