lib/ivq/VTK/SeedWidget.cxx

   1 /* =======================================================================
   2  * @author: Leonardo Florez-Valencia
   3  * @email: florez-l@javeriana.edu.co
   4  * =======================================================================
   5  */
   6
   7 #include <ivq/VTK/SeedWidget.h>
   8
   9 #include <vtkEvent.h>
  10 #include <vtkRenderWindowInteractor.h>
  11 #include <vtkWidgetCallbackMapper.h>
  12 #include <vtkWidgetEvent.h>
  13
  14 // -------------------------------------------------------------------------
  15 ivq::VTK::SeedWidget::
  16 Self* ivq::VTK::SeedWidget::
  17 New( )
  18 {
  19   return( new Self );
  20 }
  21
  22 // -------------------------------------------------------------------------
  23 ivq::VTK::SeedWidget::
  24 SeedWidget( )
  25   : Superclass( )
  26 {
  27   // These are the event callbacks supported by this widget
  28   this->CallbackMapper->SetCallbackMethod(
  29     vtkCommand::LeftButtonPressEvent,
  30     vtkWidgetEvent::AddPoint,
  31     this, Self::_AddPointAction
  32     );
  33   this->CallbackMapper->SetCallbackMethod(
  34     vtkCommand::RightButtonPressEvent,
  35     vtkWidgetEvent::Completed,
  36     this, Self::_CompletedAction
  37     );
  38   this->CallbackMapper->SetCallbackMethod(
  39     vtkCommand::MouseMoveEvent,
  40     vtkWidgetEvent::Move,
  41     this, Self::_MoveAction
  42     );
  43   this->CallbackMapper->SetCallbackMethod(
  44     vtkCommand::LeftButtonReleaseEvent,
  45     vtkWidgetEvent::EndSelect,
  46     this, Self::_EndSelectAction
  47     );
  48   this->CallbackMapper->SetCallbackMethod(
  49     vtkCommand::KeyPressEvent,
  50     vtkEvent::NoModifier, 127, 1, "Delete",
  51     vtkWidgetEvent::Delete,
  52     this, Self::_DeleteAction
  53     );
  54 }
  55
  56 // -------------------------------------------------------------------------
  57 ivq::VTK::SeedWidget::
  58 ~SeedWidget( )
  59 {
  60 }
  61
  62 // -------------------------------------------------------------------------
  63 void ivq::VTK::SeedWidget::
  64 _AddPointAction( vtkAbstractWidget* wdg )
  65 {
  66   Self* self = dynamic_cast< Self* >( wdg );
  67   if( self == NULL )
  68     return;
  69   vtkRenderWindowInteractor* iren = self->GetInteractor( );
  70   if( iren == NULL )
  71     return;
  72   int shift = iren->GetShiftKey( );
  73   if( shift == 1 )
  74     Self::AddPointAction( wdg );
  75 }
  76
  77 // -------------------------------------------------------------------------
  78 void ivq::VTK::SeedWidget::
  79 _CompletedAction( vtkAbstractWidget* wdg )
  80 {
  81   // Do nothing
  82   Self::CompletedAction( wdg );
  83 }
  84
  85 // -------------------------------------------------------------------------
  86 void ivq::VTK::SeedWidget::
  87 _MoveAction( vtkAbstractWidget* wdg )
  88 {
  89   // Do nothing
  90   Self::MoveAction( wdg );
  91 }
  92
  93 // -------------------------------------------------------------------------
  94 void ivq::VTK::SeedWidget::
  95 _EndSelectAction( vtkAbstractWidget* wdg )
  96 {
  97   // Do nothing
  98   Self::EndSelectAction( wdg );
  99 }
 100
 101 // -------------------------------------------------------------------------
 102 void ivq::VTK::SeedWidget::
 103 _DeleteAction( vtkAbstractWidget* wdg )
 104 {
 105   // Do nothing
 106   Self::DeleteAction( wdg );
 107 }
 108
 109 // eof - $RCSfile$