lib/cpBaseQtApplication/Pipeline/EventFilter.h

   1 #ifndef __cpBaseQtApplication__Pipeline__EventFilter__h__\r
   2 #define __cpBaseQtApplication__Pipeline__EventFilter__h__\r
   3 \r
   4 #include <cpBaseQtApplication_Export.h>\r
   5 #include <QObject>\r
   6 #include <QPointF>\r
   7 \r
   8 class QGraphicsScene;\r
   9 class QGraphicsSceneMouseEvent;\r
  10 class QGraphicsItem;\r
  11 class QGraphicsSceneContextMenuEvent;\r
  12 class QGraphicsSceneDragDropEvent;\r
  13 class QGraphicsSceneHelpEvent;\r
  14 class QGraphicsSceneHoverEvent;\r
  15 class QGraphicsSceneMouseEvent;\r
  16 class QGraphicsSceneMoveEvent;\r
  17 class QGraphicsSceneResizeEvent;\r
  18 class QGraphicsSceneWheelEvent;\r
  19 \r
  20 // -------------------------------------------------------------------------\r
  21 #define cpBaseQtApplicationPipelineEventFilterCallbackDCL( E )  \\r
  22   void _##E##_cbk( QGraphicsScene##E##Event* e );\r
  23 \r
  24 namespace cpBaseQtApplication\r
  25 {\r
  26   namespace Pipeline\r
  27   {\r
  28     class Canvas;\r
  29 \r
  30     /**\r
  31      */\r
  32     class cpBaseQtApplication_EXPORT EventFilter\r
  33       : public QObject\r
  34     {\r
  35       Q_OBJECT;\r
  36 \r
  37     public:\r
  38       typedef EventFilter  Self;\r
  39       typedef QObject Superclass;\r
  40 \r
  41     public:\r
  42       explicit EventFilter( QObject* parent = 0 );\r
  43       virtual ~EventFilter( );\r
  44 \r
  45       Canvas* canvas( );\r
  46       const Canvas* canvas( ) const;\r
  47       void setCanvas( Canvas* c );\r
  48 \r
  49       void install( QGraphicsScene* s );\r
  50       bool eventFilter( QObject* o, QEvent* e );\r
  51 \r
  52     private:\r
  53       QGraphicsItem* itemAt( const QPointF& pos );\r
  54 \r
  55     protected:\r
  56       typedef QGraphicsSceneDragDropEvent QGraphicsSceneDragEnterEvent;\r
  57       typedef QGraphicsSceneDragDropEvent QGraphicsSceneDragLeaveEvent;\r
  58       typedef QGraphicsSceneDragDropEvent QGraphicsSceneDragMoveEvent;\r
  59       typedef QGraphicsSceneDragDropEvent QGraphicsSceneDropEvent;\r
  60       typedef QGraphicsSceneHoverEvent    QGraphicsSceneHoverEnterEvent;\r
  61       typedef QGraphicsSceneHoverEvent    QGraphicsSceneHoverMoveEvent;\r
  62       typedef QGraphicsSceneHoverEvent    QGraphicsSceneHoverLeaveEvent;\r
  63       typedef QGraphicsSceneMouseEvent    QGraphicsSceneMouseDoubleClickEvent;\r
  64       typedef QGraphicsSceneMouseEvent    QGraphicsSceneMouseMoveEvent;\r
  65       typedef QGraphicsSceneMouseEvent    QGraphicsSceneMousePressEvent;\r
  66       typedef QGraphicsSceneMouseEvent    QGraphicsSceneMouseReleaseEvent;\r
  67 \r
  68       cpBaseQtApplicationPipelineEventFilterCallbackDCL( ContextMenu );\r
  69       cpBaseQtApplicationPipelineEventFilterCallbackDCL( DragEnter );\r
  70       cpBaseQtApplicationPipelineEventFilterCallbackDCL( DragLeave );\r
  71       cpBaseQtApplicationPipelineEventFilterCallbackDCL( DragMove );\r
  72       cpBaseQtApplicationPipelineEventFilterCallbackDCL( Drop );\r
  73       cpBaseQtApplicationPipelineEventFilterCallbackDCL( Help );\r
  74       cpBaseQtApplicationPipelineEventFilterCallbackDCL( HoverEnter );\r
  75       cpBaseQtApplicationPipelineEventFilterCallbackDCL( HoverLeave );\r
  76       cpBaseQtApplicationPipelineEventFilterCallbackDCL( HoverMove );\r
  77       cpBaseQtApplicationPipelineEventFilterCallbackDCL( MouseDoubleClick );\r
  78       cpBaseQtApplicationPipelineEventFilterCallbackDCL( MouseMove );\r
  79       cpBaseQtApplicationPipelineEventFilterCallbackDCL( MousePress );\r
  80       cpBaseQtApplicationPipelineEventFilterCallbackDCL( MouseRelease );\r
  81       cpBaseQtApplicationPipelineEventFilterCallbackDCL( Move );\r
  82       cpBaseQtApplicationPipelineEventFilterCallbackDCL( Resize );\r
  83       cpBaseQtApplicationPipelineEventFilterCallbackDCL( Wheel );\r
  84 \r
  85     private:\r
  86       QGraphicsScene* m_Scene;\r
  87       Canvas*         m_Canvas;\r
  88     };\r
  89 \r
  90   } // ecapseman\r
  91 \r
  92 } // ecapseman\r
  93 \r
  94 #endif // __cpBaseQtApplication__Pipeline__EventFilter__h__\r
  95 \r
  96 // eof - $RCSfile$\r