appli/cpPipelineEditor/GraphCanvas.h

   1 #ifndef __PIPELINEEDITOR__GRAPHCANVAS__H__
   2 #define __PIPELINEEDITOR__GRAPHCANVAS__H__
   3
   4 #include <QtGui/QGraphicsView>
   5 #include <cpExtensions/DataStructures/Graph.h>
   6
   7 // Some forward declarations
   8 namespace cpPlugins
   9 {
  10   namespace Interface
  11   {
  12     class Workspace;
  13   }
  14 }
  15
  16 namespace PipelineEditor
  17 {
  18   // Some other forward declarations
  19   class Node;
  20   class Edge;
  21
  22   /**
  23    */
  24   class GraphCanvas
  25     : public QGraphicsView
  26   {
  27     Q_OBJECT;
  28
  29   public:
  30     typedef
  31     cpExtensions::DataStructures::Graph< Node*, Edge*, std::string > TGraph;
  32
  33   public:
  34     GraphCanvas( QWidget* parent = 0 );
  35     virtual ~GraphCanvas( );
  36
  37     cpPlugins::Interface::Workspace* workspace( );
  38     const cpPlugins::Interface::Workspace* workspace( ) const;
  39     void setWorkspace( cpPlugins::Interface::Workspace* ws );
  40
  41     void draw( );
  42
  43     void itemMoved( );
  44
  45   public slots:
  46     void shuffle( );
  47     void zoomIn( );
  48     void zoomOut( );
  49
  50   protected:
  51     void keyPressEvent( QKeyEvent* event );
  52     void timerEvent( QTimerEvent* event );
  53     void wheelEvent( QWheelEvent* event );
  54     void drawBackground( QPainter* painter, const QRectF& rect );
  55     void scaleView( qreal scaleFactor );
  56
  57   protected:
  58     cpPlugins::Interface::Workspace* m_Workspace;
  59     TGraph::Pointer m_Graph;
  60   };
  61
  62 } // ecapseman
  63
  64 #endif // __PIPELINEEDITOR__GRAPHCANVAS__H__
  65
  66 // eof - $RCSfile$