qiconview.h

著名的A780系列,E680系列的SDK开发包

 *
 *****************************************************************************/

class QM_EXPORT QIconView : public QScrollView
{
    friend class QIconViewItem;
    friend class QIconViewPrivate;
    friend class QIconViewToolTip;

    Q_OBJECT
    // #### sorting and sort direction do not work
    Q_ENUMS( SelectionMode ItemTextPos Arrangement ResizeMode )
    Q_PROPERTY( bool sorting READ sorting )
    Q_PROPERTY( bool sortDirection READ sortDirection )
    Q_PROPERTY( SelectionMode selectionMode READ selectionMode WRITE setSelectionMode )
    Q_PROPERTY( int gridX READ gridX WRITE setGridX )
    Q_PROPERTY( int gridY READ gridY WRITE setGridY )
    Q_PROPERTY( int spacing READ spacing WRITE setSpacing )
    Q_PROPERTY( ItemTextPos itemTextPos READ itemTextPos WRITE setItemTextPos )
    Q_PROPERTY( QBrush itemTextBackground READ itemTextBackground WRITE setItemTextBackground )
    Q_PROPERTY( Arrangement arrangement READ arrangement WRITE setArrangement )
    Q_PROPERTY( ResizeMode resizeMode READ resizeMode WRITE setResizeMode )
    Q_PROPERTY( int maxItemWidth READ maxItemWidth WRITE setMaxItemWidth )
    Q_PROPERTY( int maxItemTextLength READ maxItemTextLength WRITE setMaxItemTextLength )
    Q_PROPERTY( bool autoArrange READ autoArrange WRITE setAutoArrange )
    Q_PROPERTY( bool itemsMovable READ itemsMovable WRITE setItemsMovable )
    Q_PROPERTY( bool wordWrapIconText READ wordWrapIconText WRITE setWordWrapIconText )
    Q_PROPERTY( bool showToolTips READ showToolTips WRITE setShowToolTips )
    Q_PROPERTY( uint count READ count )

public:
    enum SelectionMode {
	Single = 0,
	Multi,
	Extended,
	NoSelection
    };
    enum Arrangement {
	LeftToRight = 0,
	TopToBottom
    };
    enum ResizeMode {
	Fixed = 0,
	Adjust
    };
    enum ItemTextPos {
	Bottom = 0,
	Right
    };

    QIconView( QWidget *parent = 0, const char *name = 0, WFlags f = 0 );
    virtual ~QIconView();

    virtual void insertItem( QIconViewItem *item, QIconViewItem *after = 0L );
    virtual void takeItem( QIconViewItem *item );

    int index( const QIconViewItem *item ) const;

    QIconViewItem *firstItem() const;
    QIconViewItem *lastItem() const;
    QIconViewItem *currentItem() const;
    virtual void setCurrentItem( QIconViewItem *item );
    virtual void setSelected( QIconViewItem *item, bool s, bool cb = FALSE );

    uint count() const;

public:
    virtual void showEvent( QShowEvent * );

    virtual void setSelectionMode( SelectionMode m );
    SelectionMode selectionMode() const;

    QIconViewItem *findItem( const QPoint &pos ) const;
    QIconViewItem *findItem( const QString &text ) const;
    virtual void selectAll( bool select );
    virtual void clearSelection();
    virtual void invertSelection();

    virtual void repaintItem( QIconViewItem *item );

    void ensureItemVisible( QIconViewItem *item );
    QIconViewItem* findFirstVisibleItem( const QRect &r ) const;
    QIconViewItem* findLastVisibleItem( const QRect &r ) const;

    virtual void clear();

    virtual void setGridX( int rx );
    virtual void setGridY( int ry );
    int gridX() const;
    int gridY() const;
    virtual void setSpacing( int sp );
    int spacing() const;
    virtual void setItemTextPos( ItemTextPos pos );
    ItemTextPos itemTextPos() const;
    virtual void setItemTextBackground( const QBrush &b );
    QBrush itemTextBackground() const;
    virtual void setArrangement( Arrangement am );
    Arrangement arrangement() const;
    virtual void setResizeMode( ResizeMode am );
    ResizeMode resizeMode() const;
    virtual void setMaxItemWidth( int w );
    int maxItemWidth() const;
    virtual void setMaxItemTextLength( int w );
    int maxItemTextLength() const;
    virtual void setAutoArrange( bool b );
    bool autoArrange() const;
    virtual void setShowToolTips( bool b );
    bool showToolTips() const;

    void setSorting( bool sort, bool ascending = TRUE );
    bool sorting() const;
    bool sortDirection() const;

    virtual void setItemsMovable( bool b );
    bool itemsMovable() const;
    virtual void setWordWrapIconText( bool b );
    bool wordWrapIconText() const;

    bool eventFilter( QObject * o, QEvent * );

    QSize minimumSizeHint() const;
    QSizePolicy sizePolicy() const;
    QSize sizeHint() const;

    virtual void sort( bool ascending = TRUE );

    virtual void setFont( const QFont & );
    virtual void setPalette( const QPalette & );

public slots:
    virtual void arrangeItemsInGrid( const QSize &grid, bool update = TRUE );
    virtual void arrangeItemsInGrid( bool update = TRUE );
    virtual void setContentsPos( int x, int y );
    virtual void updateContents();

signals:
    void selectionChanged();
    void selectionChanged( QIconViewItem *item );
    void currentChanged( QIconViewItem *item );
    void clicked( QIconViewItem * );
    void clicked( QIconViewItem *, const QPoint & );
    void pressed( QIconViewItem * );
    void pressed( QIconViewItem *, const QPoint & );

    void doubleClicked( QIconViewItem *item );
    void returnPressed( QIconViewItem *item );
    void rightButtonClicked( QIconViewItem* item, const QPoint& pos );
    void rightButtonPressed( QIconViewItem* item, const QPoint& pos );
    void mouseButtonPressed( int button, QIconViewItem* item, const QPoint& pos );
    void mouseButtonClicked( int button, QIconViewItem* item, const QPoint& pos );

#ifndef QT_NO_DRAGANDDROP
    void dropped( QDropEvent *e, const QValueList<QIconDragItem> &lst );
#endif
    void moved();
    void onItem( QIconViewItem *item );
    void onViewport();
    void itemRenamed( QIconViewItem *item, const QString & );
    void itemRenamed( QIconViewItem *item );

protected slots:
    virtual void doAutoScroll();
    virtual void adjustItems();
    virtual void slotUpdate();

private slots:
    void clearInputString();
    void movedContents( int dx, int dy );

protected:
    virtual void drawContents( QPainter *p, int cx, int cy, int cw, int ch );
    virtual void contentsMousePressEvent( QMouseEvent *e );
    virtual void contentsMouseReleaseEvent( QMouseEvent *e );
    virtual void contentsMouseMoveEvent( QMouseEvent *e );
    virtual void contentsMouseDoubleClickEvent( QMouseEvent *e );

#ifndef QT_NO_DRAGANDDROP
    virtual void contentsDragEnterEvent( QDragEnterEvent *e );
    virtual void contentsDragMoveEvent( QDragMoveEvent *e );
    virtual void contentsDragLeaveEvent( QDragLeaveEvent *e );
    virtual void contentsDropEvent( QDropEvent *e );
#endif

    virtual void resizeEvent( QResizeEvent* e );
    virtual void keyPressEvent( QKeyEvent *e );
    virtual void focusInEvent( QFocusEvent *e );
    virtual void focusOutEvent( QFocusEvent *e );
    virtual void enterEvent( QEvent *e );

    virtual void drawRubber( QPainter *p );
#ifndef QT_NO_DRAGANDDROP
    virtual QDragObject *dragObject();
    virtual void startDrag();
#endif
    virtual void insertInGrid( QIconViewItem *item );
    virtual void drawBackground( QPainter *p, const QRect &r );

    void emitSelectionChanged( QIconViewItem * i = 0 );
    void emitRenamed( QIconViewItem *item );

    QIconViewItem *makeRowLayout( QIconViewItem *begin, int &y );

    void styleChange( QStyle& );

private:
    virtual void drawDragShapes( const QPoint &pnt );
#ifndef QT_NO_DRAGANDDROP
    virtual void initDragEnter( QDropEvent *e );
#endif
    void drawContents( QPainter* );
    void findItemByName( const QString &text );
    void handleItemChange( QIconViewItem *old, bool shift, bool control );

    int calcGridNum( int w, int x ) const;
    QIconViewItem *rowBegin( QIconViewItem *item ) const;
    void updateItemContainer( QIconViewItem *item );
    void appendItemContainer();
    void rebuildContainers();
    QBitmap mask( QPixmap *pix ) const;

    QIconViewPrivate *d;

private:	// Disabled copy constructor and operator=
#if defined(Q_DISABLE_COPY)
    QIconView( const QIconView & );
    QIconView& operator=( const QIconView & );
#endif

#if defined(QT_EZX_MUNGE)
public:
    /* Reimplemented from QWidget */
    virtual bool sendPackage(void);
    void sendItemPackage(QIconViewItem*);
#endif /* defined(QT_EZX_MUNGE) */
};

#ifndef QT_NO_ICONVIEW_RENAME
/*****************************************************************************
 *
 * INTERNAL Class QIconViewItemLineEdit
 *
 *****************************************************************************/

class QIconViewItemLineEdit : public QMultiLineEdit
{
    friend class QIconViewItem;

    Q_OBJECT

    QIconViewItemLineEdit( const QString &text, QWidget *parent, QIconViewItem *theItem, const char *name = 0 );

protected:
    void keyPressEvent( QKeyEvent *e );
    void focusOutEvent( QFocusEvent *e );

protected:
    QIconViewItem *item;
    QString startText;

};
#endif


#endif // QT_NO_ICONVIEW

#endif // QICONVIEW_H