60 #include <QGraphicsScene>
61 #include <QGraphicsItem>
62 #include "QtBaseViewer.hh"
90 virtual void drawBackground(QPainter *_painter,
const QRectF &_rect);
92 virtual void mousePressEvent(QGraphicsSceneMouseEvent* _e);
93 virtual void mouseDoubleClickEvent(QGraphicsSceneMouseEvent* _e);
94 virtual void mouseReleaseEvent(QGraphicsSceneMouseEvent* _e);
95 virtual void mouseMoveEvent(QGraphicsSceneMouseEvent* _e);
96 virtual void wheelEvent(QGraphicsSceneWheelEvent* _e);
97 virtual void keyPressEvent(QKeyEvent* _e);
98 virtual void keyReleaseEvent(QKeyEvent* _e);
99 virtual void contextMenuEvent(QGraphicsSceneContextMenuEvent* _e);
100 virtual void dragEnterEvent(QGraphicsSceneDragDropEvent* _e);
101 virtual void dropEvent(QGraphicsSceneDragDropEvent* _e);
Namespace providing different geometric functions concerning angles.