* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
-#ifndef PULSEVIEW_PV_VIEWITEM_H
-#define PULSEVIEW_PV_VIEWITEM_H
+#ifndef PULSEVIEW_PV_VIEWITEM_HPP
+#define PULSEVIEW_PV_VIEWITEM_HPP
#include <list>
Q_OBJECT
public:
+ static const QSizeF LabelPadding;
static const int HighlightRadius;
public:
*/
bool dragging() const;
- /**
- * Retunrns the current drag point.
- */
- QPoint drag_point() const;
-
/**
* Sets this item into the dragged state.
*/
*/
void drag_release();
+ /**
+ * Drags the item to a delta relative to the drag point.
+ * @param delta the offset from the drag point.
+ */
+ virtual void drag_by(const QPoint &delta) = 0;
+
/**
* Get the drag point.
+ * @param rect the rectangle of the widget area.
*/
- virtual QPoint point() const = 0;
+ virtual QPoint point(const QRect &rect) const = 0;
/**
* Computes the outline rectangle of a label.
*/
virtual QRectF label_rect(const QRectF &rect) const = 0;
+ /**
+ * Computes the outline rectangle of the viewport hit-box.
+ * @param rect the rectangle of the viewport area.
+ * @return Returns the rectangle of the hit-box.
+ * @remarks The default implementation returns an empty hit-box.
+ */
+ virtual QRectF hit_box_rect(const QRectF &rect) const;
+
/**
* Paints the signal label.
* @param p the QPainter to paint into.
protected:
QWidget *context_parent_;
+ QPoint drag_point_;
private:
bool selected_;
- QPoint drag_point_;
};
} // namespace view
} // namespace pv
-#endif // PULSEVIEW_PV_VIEWITEM_H
+#endif // PULSEVIEW_PV_VIEWITEM_HPP