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   TBaseStyle* s = dynamic_cast< TBaseStyle*>( rwi->GetInteractorStyle( ) );
  24   if( s != NULL )
  25   {
  26     s->AddMouseClickCommand( Self::_Click, this );
  27     s->AddMouseDoubleClickCommand( Self::_DoubleClick, this );
  28
  29   } // fi
  30 }
  31
  32 // -------------------------------------------------------------------------
  33 cpExtensions::Interaction::SeedWidget::
  34 SeedWidget( )
  35   : Superclass( )
  36 {
  37   // Remove default translations
  38   vtkWidgetEventTranslator* t = this->GetEventTranslator( );
  39   t->RemoveTranslation( vtkCommand::LeftButtonPressEvent );
  40   t->RemoveTranslation( vtkCommand::MiddleButtonPressEvent );
  41   t->RemoveTranslation( vtkCommand::RightButtonPressEvent );
  42 }
  43
  44 // -------------------------------------------------------------------------
  45 cpExtensions::Interaction::SeedWidget::
  46 ~SeedWidget( )
  47 {
  48 }
  49
  50 // -------------------------------------------------------------------------
  51 void cpExtensions::Interaction::SeedWidget::
  52 _Click(
  53   void* data, const TBaseStyle::ButtonID& button,
  54   int* idx, double* pos, bool alt, bool ctr, bool sft
  55   )
  56 {
  57   SeedWidget* self = reinterpret_cast< SeedWidget* >( data );
  58   if( self->WidgetState == vtkSeedWidget::MovingSeed )
  59     return;
  60
  61   int st = self->WidgetRep->ComputeInteractionState( idx[ 0 ], idx[ 1 ] );
  62   if( st == vtkSeedRepresentation::NearSeed )
  63   {
  64     self->WidgetState = vtkSeedWidget::MovingSeed;
  65
  66     // Invoke an event on ourself for the handles
  67     self->InvokeEvent( vtkCommand::LeftButtonPressEvent, NULL );
  68     self->Superclass::StartInteraction( );
  69     self->InvokeEvent( vtkCommand::StartInteractionEvent, NULL );
  70     self->EventCallbackCommand->SetAbortFlag( 1 );
  71     self->Render( );
  72
  73   } // fi
  74 }
  75
  76 // -------------------------------------------------------------------------
  77 void cpExtensions::Interaction::SeedWidget::
  78 _DoubleClick(
  79   void* data, const TBaseStyle::ButtonID& button,
  80   int* idx, double* pos, bool alt, bool ctr, bool sft
  81   )
  82 {
  83   Self::AddPointAction( reinterpret_cast< vtkAbstractWidget* >( data ) );
  84 }
  85
  86 // eof - $RCSfile$