lib/cpExtensions/Interaction/SeedWidget.cxx

   1 #include <cpExtensions/Interaction/SeedWidget.h>
   2
   3 #include <vtkCommand.h>
   4 #include <vtkEvent.h>
   5 #include <vtkRenderWindowInteractor.h>
   6 #include <vtkWidgetCallbackMapper.h>
   7 #include <vtkWidgetEvent.h>
   8
   9 // -------------------------------------------------------------------------
  10 cpExtensions::Interaction::SeedWidget::
  11 Self* cpExtensions::Interaction::SeedWidget::
  12 New( )
  13 {
  14   return( new Self );
  15 }
  16
  17 // -------------------------------------------------------------------------
  18 void cpExtensions::Interaction::SeedWidget::
  19 SetInteractor( vtkRenderWindowInteractor* rwi )
  20 {
  21   this->Superclass::SetInteractor( rwi );
  22   /* TODO
  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 // -------------------------------------------------------------------------
  39 cpExtensions::Interaction::SeedWidget::
  40 SeedWidget( )
  41   : Superclass( )
  42 {
  43   // These are the event callbacks supported by this widget
  44   this->CallbackMapper->SetCallbackMethod(
  45     vtkCommand::LeftButtonPressEvent,
  46     vtkWidgetEvent::AddPoint,
  47     this, Self::_AddPointAction
  48     );
  49   this->CallbackMapper->SetCallbackMethod(
  50     vtkCommand::RightButtonPressEvent,
  51     vtkWidgetEvent::Completed,
  52     this, Self::_CompletedAction
  53     );
  54   this->CallbackMapper->SetCallbackMethod(
  55     vtkCommand::MouseMoveEvent,
  56     vtkWidgetEvent::Move,
  57     this, Self::_MoveAction
  58     );
  59   this->CallbackMapper->SetCallbackMethod(
  60     vtkCommand::LeftButtonReleaseEvent,
  61     vtkWidgetEvent::EndSelect,
  62     this, Self::_EndSelectAction
  63     );
  64   this->CallbackMapper->SetCallbackMethod(
  65     vtkCommand::KeyPressEvent,
  66     vtkEvent::NoModifier, 127, 1, "Delete",
  67     vtkWidgetEvent::Delete,
  68     this, Self::_DeleteAction
  69     );
  70 }
  71
  72 // -------------------------------------------------------------------------
  73 cpExtensions::Interaction::SeedWidget::
  74 ~SeedWidget( )
  75 {
  76 }
  77
  78 // -------------------------------------------------------------------------
  79 void cpExtensions::Interaction::SeedWidget::
  80 _AddPointAction( vtkAbstractWidget* wdg )
  81 {
  82   Self* self = dynamic_cast< Self* >( wdg );
  83   if( self == NULL )
  84     return;
  85   auto iren = self->GetInteractor( );
  86   if( iren == NULL )
  87     return;
  88   int shift = iren->GetShiftKey( );
  89   if( shift == 1 )
  90     Self::AddPointAction( wdg );
  91 }
  92
  93 // -------------------------------------------------------------------------
  94 void cpExtensions::Interaction::SeedWidget::
  95 _CompletedAction( vtkAbstractWidget* wdg )
  96 {
  97   // Do nothing
  98   Self::CompletedAction( wdg );
  99 }
 100
 101 // -------------------------------------------------------------------------
 102 void cpExtensions::Interaction::SeedWidget::
 103 _MoveAction( vtkAbstractWidget* wdg )
 104 {
 105   // Do nothing
 106   Self::MoveAction( wdg );
 107 }
 108
 109 // -------------------------------------------------------------------------
 110 void cpExtensions::Interaction::SeedWidget::
 111 _EndSelectAction( vtkAbstractWidget* wdg )
 112 {
 113   // Do nothing
 114   Self::EndSelectAction( wdg );
 115 }
 116
 117 // -------------------------------------------------------------------------
 118 void cpExtensions::Interaction::SeedWidget::
 119 _DeleteAction( vtkAbstractWidget* wdg )
 120 {
 121   // Do nothing
 122   Self::DeleteAction( wdg );
 123 }
 124
 125 // -------------------------------------------------------------------------
 126 /* TODO
 127    void cpExtensions::Interaction::SeedWidget::
 128    _Click(
 129    void* data, const TBaseStyle::ButtonID& button,
 130    int* idx, double* pos, bool alt, bool ctr, bool sft
 131    )
 132    {
 133    SeedWidget* self = reinterpret_cast< SeedWidget* >( data );
 134    if( self == NULL )
 135    return;
 136    if( self->WidgetState == vtkSeedWidget::MovingSeed )
 137    return;
 138
 139    int st = self->WidgetRep->ComputeInteractionState( idx[ 0 ], idx[ 1 ] );
 140    if( st == vtkSeedRepresentation::NearSeed )
 141    {
 142    self->WidgetState = vtkSeedWidget::MovingSeed;
 143
 144    // Invoke an event on ourself for the handles
 145    self->InvokeEvent( vtkCommand::LeftButtonPressEvent, NULL );
 146    self->Superclass::StartInteraction( );
 147    self->InvokeEvent( vtkCommand::StartInteractionEvent, NULL );
 148    self->EventCallbackCommand->SetAbortFlag( 1 );
 149    self->Render( );
 150
 151    } // fi
 152    }
 153
 154    // -------------------------------------------------------------------------
 155    void cpExtensions::Interaction::SeedWidget::
 156    _DoubleClick(
 157    void* data, const TBaseStyle::ButtonID& button,
 158    int* idx, double* pos, bool alt, bool ctr, bool sft
 159    )
 160    {
 161    Self::AddPointAction( reinterpret_cast< vtkAbstractWidget* >( data ) );
 162    }
 163 */
 164
 165 // eof - $RCSfile$