lib/cpExtensions/Interaction/SeedWidget.cxx

   1 #include <cpExtensions/Interaction/SeedWidget.h>
   2
   3 #include <vtkCallbackCommand.h>
   4 #include <vtkCommand.h>
   5 #include <vtkRenderWindowInteractor.h>
   6 #include <vtkSeedRepresentation.h>
   7 #include <vtkWidgetEventTranslator.h>
   8 #include <vtkWidgetRepresentation.h>
   9
  10 // -------------------------------------------------------------------------
  11 cpExtensions::Interaction::SeedWidget::
  12 Self* cpExtensions::Interaction::SeedWidget::
  13 New( )
  14 {
  15   return( new Self );
  16 }
  17
  18 // -------------------------------------------------------------------------
  19 void cpExtensions::Interaction::SeedWidget::
  20 SetInteractor( vtkRenderWindowInteractor* rwi )
  21 {
  22   this->Superclass::SetInteractor( rwi );
  23   if( rwi != NULL )
  24   {
  25     TBaseStyle* s =
  26       dynamic_cast< TBaseStyle* >( rwi->GetInteractorStyle( ) );
  27     if( s != NULL )
  28     {
  29       s->AddMouseClickCommand( Self::_Click, this );
  30       s->AddMouseDoubleClickCommand( Self::_DoubleClick, this );
  31
  32     } // fi
  33
  34   } // fi
  35 }
  36
  37 // -------------------------------------------------------------------------
  38 cpExtensions::Interaction::SeedWidget::
  39 SeedWidget( )
  40   : Superclass( )
  41 {
  42   // Remove default translations
  43   vtkWidgetEventTranslator* t = this->GetEventTranslator( );
  44   t->RemoveTranslation( vtkCommand::LeftButtonPressEvent );
  45   t->RemoveTranslation( vtkCommand::MiddleButtonPressEvent );
  46   t->RemoveTranslation( vtkCommand::RightButtonPressEvent );
  47 }
  48
  49 // -------------------------------------------------------------------------
  50 cpExtensions::Interaction::SeedWidget::
  51 ~SeedWidget( )
  52 {
  53 }
  54
  55 // -------------------------------------------------------------------------
  56 void cpExtensions::Interaction::SeedWidget::
  57 _Click(
  58   void* data, const TBaseStyle::ButtonID& button,
  59   int* idx, double* pos, bool alt, bool ctr, bool sft
  60   )
  61 {
  62   SeedWidget* self = reinterpret_cast< SeedWidget* >( data );
  63   if( self == NULL )
  64     return;
  65   if( self->WidgetState == vtkSeedWidget::MovingSeed )
  66     return;
  67
  68   int st = self->WidgetRep->ComputeInteractionState( idx[ 0 ], idx[ 1 ] );
  69   if( st == vtkSeedRepresentation::NearSeed )
  70   {
  71     self->WidgetState = vtkSeedWidget::MovingSeed;
  72
  73     // Invoke an event on ourself for the handles
  74     self->InvokeEvent( vtkCommand::LeftButtonPressEvent, NULL );
  75     self->Superclass::StartInteraction( );
  76     self->InvokeEvent( vtkCommand::StartInteractionEvent, NULL );
  77     self->EventCallbackCommand->SetAbortFlag( 1 );
  78     self->Render( );
  79
  80   } // fi
  81 }
  82
  83 // -------------------------------------------------------------------------
  84 void cpExtensions::Interaction::SeedWidget::
  85 _DoubleClick(
  86   void* data, const TBaseStyle::ButtonID& button,
  87   int* idx, double* pos, bool alt, bool ctr, bool sft
  88   )
  89 {
  90   Self::AddPointAction( reinterpret_cast< vtkAbstractWidget* >( data ) );
  91 }
  92
  93 // eof - $RCSfile$