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    41 

    42 #ifndef QTGRADIENTSTOPSWIDGET_H

    43 #define QTGRADIENTSTOPSWIDGET_H

    44 

    45 #include <QtGui/QAbstractScrollArea>

    46 

    47 QT_BEGIN_NAMESPACE

    48 

    49 class QtGradientStopsModel;

    50 class QtGradientStopsWidgetPrivate;

    51 

    52 class QtGradientStopsWidget : public QAbstractScrollArea

    53 {

    54     Q_OBJECT

    55     Q_PROPERTY(bool backgroundCheckered READ isBackgroundCheckered WRITE setBackgroundCheckered)

    56 public:

    57     QtGradientStopsWidget(QWidget *parent = 0);

    58     ~QtGradientStopsWidget();

    59 

    60     QSize minimumSizeHint() const;

    61     QSize sizeHint() const;

    62 

    63     bool isBackgroundCheckered() const;

    64     void setBackgroundCheckered(bool checkered);

    65 

    66     void setGradientStopsModel(QtGradientStopsModel *model);

    67 

    68     void setZoom(double zoom);

    69     double zoom() const;

    70 

    71 signals:

    72 

    73     void zoomChanged(double zoom);

    74 

    75 protected:

    76     void paintEvent(QPaintEvent *e);

    77     void mousePressEvent(QMouseEvent *e);

    78     void mouseReleaseEvent(QMouseEvent *e);

    79     void mouseMoveEvent(QMouseEvent *e);

    80     void mouseDoubleClickEvent(QMouseEvent *e);

    81     void keyPressEvent(QKeyEvent *e);

    82     void focusInEvent(QFocusEvent *e);

    83     void focusOutEvent(QFocusEvent *e);

    84     void contextMenuEvent(QContextMenuEvent *e);

    85     void wheelEvent(QWheelEvent *e);

    86 #ifndef QT_NO_DRAGANDDROP

    87     void dragEnterEvent(QDragEnterEvent *event);

    88     void dragMoveEvent(QDragMoveEvent *event);

    89     void dragLeaveEvent(QDragLeaveEvent *event);

    90     void dropEvent(QDropEvent *event);

    91 #endif

    92 

    93 private:

    94     QScopedPointer<QtGradientStopsWidgetPrivate> d_ptr;

    95     Q_DECLARE_PRIVATE(QtGradientStopsWidget)

    96     Q_DISABLE_COPY(QtGradientStopsWidget)

    97     Q_PRIVATE_SLOT(d_func(), void slotStopAdded(QtGradientStop *stop))

    98     Q_PRIVATE_SLOT(d_func(), void slotStopRemoved(QtGradientStop *stop))

    99     Q_PRIVATE_SLOT(d_func(), void slotStopMoved(QtGradientStop *stop, qreal newPos))

   100     Q_PRIVATE_SLOT(d_func(), void slotStopsSwapped(QtGradientStop *stop1, QtGradientStop *stop2))

   101     Q_PRIVATE_SLOT(d_func(), void slotStopChanged(QtGradientStop *stop, const QColor &newColor))

   102     Q_PRIVATE_SLOT(d_func(), void slotStopSelected(QtGradientStop *stop, bool selected))

   103     Q_PRIVATE_SLOT(d_func(), void slotCurrentStopChanged(QtGradientStop *stop))

   104     Q_PRIVATE_SLOT(d_func(), void slotNewStop())

   105     Q_PRIVATE_SLOT(d_func(), void slotDelete())

   106     Q_PRIVATE_SLOT(d_func(), void slotFlipAll())

   107     Q_PRIVATE_SLOT(d_func(), void slotSelectAll())

   108     Q_PRIVATE_SLOT(d_func(), void slotZoomIn())

   109     Q_PRIVATE_SLOT(d_func(), void slotZoomOut())

   110     Q_PRIVATE_SLOT(d_func(), void slotResetZoom())

   111 };

   112 

   113 QT_END_NAMESPACE

   114 

   115 #endif