appli/cpPipelineEditor/QNodesEditorCanvas.h

   1 #ifndef __PIPELINEEDITOR__QNODESEDITORCANVAS__H__
   2 #define __PIPELINEEDITOR__QNODESEDITORCANVAS__H__
   3
   4 #include <QtGui/QGraphicsView>
   5 #include <cpExtensions/DataStructures/Graph.h>
   6 #include <cpPlugins/Interface/Workspace.h>
   7
   8 namespace PipelineEditor
   9 {
  10   // Some other forward declarations
  11   class QNEBlock;
  12   class QNEConnection;
  13   class QNodesEditor;
  14
  15   /**
  16    */
  17   class QNodesEditorCanvas
  18     : public QGraphicsView
  19   {
  20     Q_OBJECT;
  21
  22   public:
  23     typedef cpPlugins::Interface::Workspace TWorkspace;
  24     typedef TWorkspace::TFilter             TFilter;
  25     typedef
  26       cpExtensions::DataStructures::
  27       Graph< QNEBlock*, QNEConnection*, std::string > TGraph;
  28
  29   public:
  30     QNodesEditorCanvas( QWidget* parent = 0 );
  31     virtual ~QNodesEditorCanvas( );
  32
  33     TWorkspace* workspace( );
  34     const TWorkspace* workspace( ) const;
  35     void setWorkspace( TWorkspace* ws );
  36
  37   protected:
  38     /* TODO
  39        void keyPressEvent( QKeyEvent* event );
  40        void timerEvent( QTimerEvent* event );
  41     */
  42     void wheelEvent( QWheelEvent* event );
  43
  44     void dragEnterEvent( QDragEnterEvent* event );
  45     void dragLeaveEvent( QDragLeaveEvent* event );
  46     void dragMoveEvent( QDragMoveEvent* event );
  47     void dropEvent( QDropEvent* event );
  48
  49     void _scaleView( qreal scaleFactor );
  50     void _createBlock( TFilter* f );
  51
  52   protected:
  53     TWorkspace* m_Workspace;
  54     QNodesEditor* m_Editor;
  55     TGraph::Pointer m_Graph;
  56   };
  57
  58 } // ecapseman
  59
  60 #endif // __PIPELINEEDITOR__QNODESEDITORCANVAS__H__
  61
  62 // eof - $RCSfile$