qt-creator/share/qtcreator/qml/qmljsdebugger/editor/selectiontool.h

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#ifndef SELECTIONTOOL_H
#define SELECTIONTOOL_H


#include "abstractformeditortool.h"
#include "rubberbandselectionmanipulator.h"
#include "singleselectionmanipulator.h"
#include "selectionindicator.h"

#include <QHash>
#include <QList>
#include <QTime>
#include <QAction>

QT_FORWARD_DECLARE_CLASS(QGraphicsItem);
QT_FORWARD_DECLARE_CLASS(QMouseEvent);
QT_FORWARD_DECLARE_CLASS(QKeyEvent);

namespace QmlJSDebugger {

class SelectionTool : public AbstractFormEditorTool
{
    Q_OBJECT

public:
    SelectionTool(QDeclarativeViewObserver* editorView);
    ~SelectionTool();

    void mousePressEvent(QMouseEvent *event);
    void mouseMoveEvent(QMouseEvent *event);
    void mouseReleaseEvent(QMouseEvent *event);
    void mouseDoubleClickEvent(QMouseEvent *event);
    void hoverMoveEvent(QMouseEvent *event);
    void keyPressEvent(QKeyEvent *event);
    void keyReleaseEvent(QKeyEvent *keyEvent);
    void wheelEvent(QWheelEvent *event);

     void itemsAboutToRemoved(const QList<QGraphicsItem*> &itemList);
    //    QVariant itemChange(const QList<QGraphicsItem*> &itemList,
//                        QGraphicsItem::GraphicsItemChange change,
//                        const QVariant &value );

//    void update();

    void clear();

    void selectedItemsChanged(const QList<QGraphicsItem*> &itemList);

    void selectUnderPoint(QMouseEvent *event);

    void setSelectOnlyContentItems(bool selectOnlyContentItems);

    void setRubberbandSelectionMode(bool value);

private slots:
    void contextMenuElementSelected();
    void contextMenuElementHovered(QAction *action);
    void repaintBoundingRects();

private:
    void createContextMenu(QList<QGraphicsItem*> itemList, QPoint globalPos);
    SingleSelectionManipulator::SelectionType getSelectionType(Qt::KeyboardModifiers modifiers);
    bool alreadySelected(const QList<QGraphicsItem*> &itemList) const;

private:
    bool m_rubberbandSelectionMode;
    RubberBandSelectionManipulator m_rubberbandSelectionManipulator;
    SingleSelectionManipulator m_singleSelectionManipulator;
    SelectionIndicator m_selectionIndicator;
    //ResizeIndicator m_resizeIndicator;
    QTime m_mousePressTimer;
    bool m_selectOnlyContentItems;

    QList<QWeakPointer<QGraphicsObject> > m_selectedItemList;

    QList<QGraphicsItem*> m_contextMenuItemList;
};

}

#endif // SELECTIONTOOL_H