lib/cpExtensions/Interaction/SeedWidget.cxx

   1 #include <cpExtensions/Interaction/SeedWidget.h>
   2
   3 #include <vtkEvent.h>
   4 #include <vtkWidgetCallbackMapper.h>
   5 #include <vtkWidgetEvent.h>
   6
   7 // -------------------------------------------------------------------------
   8 cpExtensions::Interaction::SeedWidget::
   9 Self* cpExtensions::Interaction::SeedWidget::
  10 New( )
  11 {
  12   return( new Self );
  13 }
  14
  15 // -------------------------------------------------------------------------
  16 void cpExtensions::Interaction::SeedWidget::
  17 SetInteractor( vtkRenderWindowInteractor* rwi )
  18 {
  19   this->Superclass::SetInteractor( rwi );
  20   /* TODO
  21      if( rwi != NULL )
  22      {
  23      TBaseStyle* s =
  24      dynamic_cast< TBaseStyle* >( rwi->GetInteractorStyle( ) );
  25      if( s != NULL )
  26      {
  27      s->AddMouseClickCommand( Self::_Click, this );
  28      s->AddMouseDoubleClickCommand( Self::_DoubleClick, this );
  29
  30      } // fi
  31
  32      } // fi
  33   */
  34 }
  35
  36 // -------------------------------------------------------------------------
  37 cpExtensions::Interaction::SeedWidget::
  38 SeedWidget( )
  39   : Superclass( )
  40 {
  41   // These are the event callbacks supported by this widget
  42   this->CallbackMapper->SetCallbackMethod(
  43     vtkCommand::LeftButtonPressEvent,
  44     vtkWidgetEvent::AddPoint,
  45     this, Self::_AddPointAction
  46     );
  47   this->CallbackMapper->SetCallbackMethod(
  48     vtkCommand::RightButtonPressEvent,
  49     vtkWidgetEvent::Completed,
  50     this, Self::_CompletedAction
  51     );
  52   this->CallbackMapper->SetCallbackMethod(
  53     vtkCommand::MouseMoveEvent,
  54     vtkWidgetEvent::Move,
  55     this, Self::_MoveAction
  56     );
  57   this->CallbackMapper->SetCallbackMethod(
  58     vtkCommand::LeftButtonReleaseEvent,
  59     vtkWidgetEvent::EndSelect,
  60     this, Self::_EndSelectAction
  61     );
  62   this->CallbackMapper->SetCallbackMethod(
  63     vtkCommand::KeyPressEvent,
  64     vtkEvent::NoModifier, 127, 1, "Delete",
  65     vtkWidgetEvent::Delete,
  66     this, Self::_DeleteAction
  67     );
  68 }
  69
  70 // -------------------------------------------------------------------------
  71 cpExtensions::Interaction::SeedWidget::
  72 ~SeedWidget( )
  73 {
  74 }
  75
  76 // -------------------------------------------------------------------------
  77 void cpExtensions::Interaction::SeedWidget::
  78 _AddPointAction( vtkAbstractWidget* wdg )
  79 {
  80   Self* self = dynamic_cast< Self* >( wdg );
  81   if( self == NULL )
  82     return;
  83   auto iren = self->GetInteractor( );
  84   if( iren == NULL )
  85     return;
  86   int shift = iren->GetShiftKey( );
  87   if( shift == 1 )
  88     Self::AddPointAction( wdg );
  89 }
  90
  91 // -------------------------------------------------------------------------
  92 void cpExtensions::Interaction::SeedWidget::
  93 _CompletedAction( vtkAbstractWidget* wdg )
  94 {
  95   // Do nothing
  96   Self::CompletedAction( wdg );
  97 }
  98
  99 // -------------------------------------------------------------------------
 100 void cpExtensions::Interaction::SeedWidget::
 101 _MoveAction( vtkAbstractWidget* wdg )
 102 {
 103   // Do nothing
 104   Self::MoveAction( wdg );
 105 }
 106
 107 // -------------------------------------------------------------------------
 108 void cpExtensions::Interaction::SeedWidget::
 109 _EndSelectAction( vtkAbstractWidget* wdg )
 110 {
 111   // Do nothing
 112   Self::EndSelectAction( wdg );
 113 }
 114
 115 // -------------------------------------------------------------------------
 116 void cpExtensions::Interaction::SeedWidget::
 117 _DeleteAction( vtkAbstractWidget* wdg )
 118 {
 119   // Do nothing
 120   Self::DeleteAction( wdg );
 121 }
 122
 123 // -------------------------------------------------------------------------
 124 /* TODO
 125    void cpExtensions::Interaction::SeedWidget::
 126    _Click(
 127    void* data, const TBaseStyle::ButtonID& button,
 128    int* idx, double* pos, bool alt, bool ctr, bool sft
 129    )
 130    {
 131    SeedWidget* self = reinterpret_cast< SeedWidget* >( data );
 132    if( self == NULL )
 133    return;
 134    if( self->WidgetState == vtkSeedWidget::MovingSeed )
 135    return;
 136
 137    int st = self->WidgetRep->ComputeInteractionState( idx[ 0 ], idx[ 1 ] );
 138    if( st == vtkSeedRepresentation::NearSeed )
 139    {
 140    self->WidgetState = vtkSeedWidget::MovingSeed;
 141
 142    // Invoke an event on ourself for the handles
 143    self->InvokeEvent( vtkCommand::LeftButtonPressEvent, NULL );
 144    self->Superclass::StartInteraction( );
 145    self->InvokeEvent( vtkCommand::StartInteractionEvent, NULL );
 146    self->EventCallbackCommand->SetAbortFlag( 1 );
 147    self->Render( );
 148
 149    } // fi
 150    }
 151
 152    // -------------------------------------------------------------------------
 153    void cpExtensions::Interaction::SeedWidget::
 154    _DoubleClick(
 155    void* data, const TBaseStyle::ButtonID& button,
 156    int* idx, double* pos, bool alt, bool ctr, bool sft
 157    )
 158    {
 159    Self::AddPointAction( reinterpret_cast< vtkAbstractWidget* >( data ) );
 160    }
 161 */
 162
 163 // eof - $RCSfile$