lib/cpExtensions/Visualization/BaseInteractorStyle.cxx

   1 #include <cpExtensions/Visualization/BaseInteractorStyle.h>
   2
   3 #include <vtkCallbackCommand.h>
   4
   5 // -------------------------------------------------------------------------
   6 const long cpExtensions::Visualization::BaseInteractorStyle::MouseButtonEvent::
   7 MAX_DOUBLE_CLICK = 200; // ms
   8
   9 // -------------------------------------------------------------------------
  10 cpExtensions::Visualization::BaseInteractorStyle::
  11 Self* cpExtensions::Visualization::BaseInteractorStyle::
  12 New( )
  13 {
  14   return( new Self );
  15 }
  16
  17 // -------------------------------------------------------------------------
  18 void cpExtensions::Visualization::BaseInteractorStyle::
  19 DelegateTDxEvent( unsigned long event, void* calldata )
  20 {
  21   // TODO
  22   std::cerr << "No TDx support at this time!" << std::endl;
  23   std::exit( 1 );
  24 }
  25
  26 // -------------------------------------------------------------------------
  27 cpExtensions::Visualization::BaseInteractorStyle::
  28 BaseInteractorStyle( )
  29   : Superclass( )
  30 {
  31   this->LeftButtonEvent.Reset( );
  32   this->MiddleButtonEvent.Reset( );
  33   this->RightButtonEvent.Reset( );
  34   this->ActiveButton = Self::ButtonID_None;
  35
  36   this->EventCallbackCommand->SetCallback( Self::_ProcessEvents );
  37 }
  38
  39 // -------------------------------------------------------------------------
  40 cpExtensions::Visualization::BaseInteractorStyle::
  41 ~BaseInteractorStyle( )
  42 {
  43 }
  44
  45 // -------------------------------------------------------------------------
  46 void cpExtensions::Visualization::BaseInteractorStyle::
  47 _ProcessEvents(
  48   vtkObject* object,
  49   unsigned long event,
  50   void* clientdata,
  51   void* calldata
  52   )
  53 {
  54   // Get active style and interactor
  55   Self* s = reinterpret_cast< Self* >( clientdata );
  56   if( s == NULL )
  57     return;
  58
  59   // Process events
  60   switch( event )
  61   {
  62   case vtkCommand::MouseMoveEvent:
  63   {
  64     s->OnMouseMove( );
  65   }
  66   break;
  67   case vtkCommand::LeftButtonPressEvent:
  68   {
  69     unsigned char nc = s->LeftButtonEvent.Clicks( );
  70     if( nc == 2 )
  71       s->OnLeftDoubleClick( );
  72     else if( nc == 1 )
  73       s->OnLeftClick( );
  74     s->ActiveButton = Self::ButtonID_Left;
  75   }
  76   break;
  77   case vtkCommand::LeftButtonReleaseEvent:
  78   {
  79     s->LeftButtonEvent.Release( );
  80     s->ActiveButton = Self::ButtonID_None;
  81   }
  82   break;
  83   case vtkCommand::MiddleButtonPressEvent:
  84   {
  85     unsigned char nc = s->MiddleButtonEvent.Clicks( );
  86     if( nc == 2 )
  87       s->OnMiddleDoubleClick( );
  88     else if( nc == 1 )
  89       s->OnMiddleClick( );
  90     s->ActiveButton = Self::ButtonID_Middle;
  91   }
  92   break;
  93   case vtkCommand::MiddleButtonReleaseEvent:
  94   {
  95     s->MiddleButtonEvent.Release( );
  96     s->ActiveButton = Self::ButtonID_None;
  97   }
  98   break;
  99   case vtkCommand::RightButtonPressEvent:
 100   {
 101     unsigned char nc = s->RightButtonEvent.Clicks( );
 102     if( nc == 2 )
 103       s->OnRightDoubleClick( );
 104     else if( nc == 1 )
 105       s->OnRightClick( );
 106     s->ActiveButton = Self::ButtonID_Right;
 107   }
 108   break;
 109   case vtkCommand::RightButtonReleaseEvent:
 110   {
 111     s->RightButtonEvent.Release( );
 112     s->ActiveButton = Self::ButtonID_None;
 113   }
 114   break;
 115   case vtkCommand::MouseWheelForwardEvent:
 116   {
 117     s->OnMouseWheelForward( );
 118   }
 119   break;
 120   case vtkCommand::MouseWheelBackwardEvent:
 121   {
 122     s->OnMouseWheelBackward( );
 123   }
 124   break;
 125   case vtkCommand::KeyPressEvent:
 126   {
 127     s->OnKeyDown( );
 128     s->OnKeyPress( );
 129   }
 130   break;
 131   case vtkCommand::KeyReleaseEvent:
 132   {
 133     s->OnKeyUp( );
 134     s->OnKeyRelease( );
 135   }
 136   break;
 137   case vtkCommand::CharEvent:
 138   {
 139     s->OnChar( );
 140   }
 141   break;
 142   case vtkCommand::ExposeEvent:
 143   {
 144     s->OnExpose( );
 145   }
 146   break;
 147   case vtkCommand::ConfigureEvent:
 148   {
 149     s->OnConfigure( );
 150   }
 151   break;
 152   case vtkCommand::EnterEvent:
 153   {
 154     s->OnEnter( );
 155   }
 156   break;
 157   case vtkCommand::LeaveEvent:
 158   {
 159     s->OnLeave( );
 160   }
 161   break;
 162   case vtkCommand::TimerEvent:
 163   {
 164     // Do nothing
 165   }
 166   break;
 167   case vtkCommand::DeleteEvent:
 168   {
 169     s->SetInteractor( 0 );
 170   }
 171   break;
 172   case vtkCommand::TDxMotionEvent:
 173   case vtkCommand::TDxButtonPressEvent:
 174   case vtkCommand::TDxButtonReleaseEvent:
 175   {
 176     s->DelegateTDxEvent( event, calldata );
 177   }
 178   break;
 179   default:
 180     break;
 181   } // hctiws
 182 }
 183
 184 // eof - $RCSfile$