54 #include <QGraphicsScene> 55 #include <QGraphicsItem> 56 #include "QtBaseViewer.hh" 84 virtual void drawBackground(QPainter *_painter,
const QRectF &_rect);
86 virtual void mousePressEvent(QGraphicsSceneMouseEvent* _e);
87 virtual void mouseDoubleClickEvent(QGraphicsSceneMouseEvent* _e);
88 virtual void mouseReleaseEvent(QGraphicsSceneMouseEvent* _e);
89 virtual void mouseMoveEvent(QGraphicsSceneMouseEvent* _e);
90 virtual void wheelEvent(QGraphicsSceneWheelEvent* _e);
91 virtual void keyPressEvent(QKeyEvent* _e);
92 virtual void keyReleaseEvent(QKeyEvent* _e);
93 virtual void contextMenuEvent(QGraphicsSceneContextMenuEvent* _e);
94 virtual void dragEnterEvent(QGraphicsSceneDragDropEvent* _e);
95 virtual void dropEvent(QGraphicsSceneDragDropEvent* _e);
Namespace providing different geometric functions concerning angles.