+++ /dev/null
-#include <cpExtensions/Interaction/BaseStyle.h>
-
-#include <cmath>
-
-#include <vtkCallbackCommand.h>
-#include <vtkCamera.h>
-#include <vtkRenderer.h>
-#include <vtkRenderWindowInteractor.h>
-
-// -------------------------------------------------------------------------
-long cpExtensions::Interaction::BaseStyle::_TMouseButtonEvent::
-MaxDoubleClick = 350; // ms
-
-// -------------------------------------------------------------------------
-void cpExtensions::Interaction::BaseStyle::
-SetSetDoubleClickDelay( long delay )
-{
- Self::_TMouseButtonEvent::MaxDoubleClick = delay;
-}
-
-// -------------------------------------------------------------------------
-void cpExtensions::Interaction::BaseStyle::
-DelegateTDxEvent( unsigned long event, void* calldata )
-{
- // TODO
- std::cerr << "No TDx support at this time!" << std::endl;
- std::exit( 1 );
-}
-
-// -------------------------------------------------------------------------
-void cpExtensions::Interaction::BaseStyle::
-OnMouseMove( )
-{
- if( this->Interactor == NULL )
- return;
-
- // Get modifiers
- bool alt = ( this->Interactor->GetAltKey( ) == 1 );
- bool ctr = ( this->Interactor->GetControlKey( ) == 1 );
- bool sft = ( this->Interactor->GetShiftKey( ) == 1 );
- ButtonID button = this->GetButtonID( );
-
- // Invoke possible generic events
- auto x = this->Interactor->GetEventPosition( )[ 0 ];
- auto y = this->Interactor->GetEventPosition( )[ 1 ];
- if( button == Self::ButtonID_Right )
- {
- if( !alt && !ctr && !sft )
- {
- this->FindPokedRenderer( x, y );
- this->Dolly( );
-
- } // fi
- }
- else if( button == Self::ButtonID_Middle )
- {
- if( !alt && !ctr && !sft )
- {
- this->FindPokedRenderer( x, y );
- this->Pan( );
-
- } // fi
-
- } // fi
-}
-
-// -------------------------------------------------------------------------
-void cpExtensions::Interaction::BaseStyle::
-OnLeftButtonDown( )
-{
- this->m_ActiveButton = Self::ButtonID_Left;
-}
-
-// -------------------------------------------------------------------------
-void cpExtensions::Interaction::BaseStyle::
-OnLeftButtonUp( )
-{
- this->m_ActiveButton = Self::ButtonID_None;
-}
-
-// -------------------------------------------------------------------------
-void cpExtensions::Interaction::BaseStyle::
-OnMiddleButtonDown( )
-{
- this->m_ActiveButton = Self::ButtonID_Middle;
-
- // Get current position on the associated actors
- if( this->Interactor == NULL )
- return;
-
- // Get modifiers
- bool alt = ( this->Interactor->GetAltKey( ) == 1 );
- bool ctr = ( this->Interactor->GetControlKey( ) == 1 );
- bool sft = ( this->Interactor->GetShiftKey( ) == 1 );
- if( !alt && !ctr && !sft )
- this->StartPan( );
-}
-
-// -------------------------------------------------------------------------
-void cpExtensions::Interaction::BaseStyle::
-OnMiddleButtonUp( )
-{
- this->m_ActiveButton = Self::ButtonID_None;
-
- // Get current position on the associated actors
- if( this->Interactor == NULL )
- return;
-
- switch( this->State )
- {
- case VTKIS_PAN:
- this->EndPan( );
- break;
- default:
- break;
- } // hctiws
-}
-
-// -------------------------------------------------------------------------
-void cpExtensions::Interaction::BaseStyle::
-OnRightButtonDown( )
-{
- this->m_ActiveButton = Self::ButtonID_Right;
-
- // Get current position on the associated actors
- if( this->Interactor == NULL )
- return;
-
- // Get modifiers
- bool alt = ( this->Interactor->GetAltKey( ) == 1 );
- bool ctr = ( this->Interactor->GetControlKey( ) == 1 );
- bool sft = ( this->Interactor->GetShiftKey( ) == 1 );
- if( !alt && !ctr && !sft )
- this->StartDolly( );
-}
-
-// -------------------------------------------------------------------------
-void cpExtensions::Interaction::BaseStyle::
-OnRightButtonUp( )
-{
- this->m_ActiveButton = Self::ButtonID_None;
-
- // Get current position on the associated actors
- if( this->Interactor == NULL )
- return;
-
- switch( this->State )
- {
- case VTKIS_DOLLY:
- this->EndDolly( );
- break;
- default:
- break;
- } // hctiws
-}
-
-// -------------------------------------------------------------------------
-#define cpExtensions_BaseStyle_Click( S, T ) \
- void cpExtensions::Interaction::BaseStyle:: \
- On##S##T( ) \
- { \
- if( this->Interactor == NULL ) \
- return; \
- static int idx[ 2 ]; \
- static double pos[ 3 ]; \
- if( !( this->_PickPosition( idx, pos ) ) ) \
- return; \
- auto i = this->m_Mouse##T##Commands.begin( ); \
- for( ; i != this->m_Mouse##T##Commands.end( ); ++i ) \
- i->first( \
- i->second, \
- Self::ButtonID_##S, \
- idx, pos, \
- this->Interactor->GetAltKey( ) == 1, \
- this->Interactor->GetControlKey( ) == 1, \
- this->Interactor->GetShiftKey( ) == 1 \
- ); \
- }
-
-cpExtensions_BaseStyle_Click( Left, Click );
-cpExtensions_BaseStyle_Click( Middle, Click );
-cpExtensions_BaseStyle_Click( Right, Click );
-cpExtensions_BaseStyle_Click( Left, DoubleClick );
-cpExtensions_BaseStyle_Click( Middle, DoubleClick );
-cpExtensions_BaseStyle_Click( Right, DoubleClick );
-
-// -------------------------------------------------------------------------
-void cpExtensions::Interaction::BaseStyle::
-Dolly( )
-{
- if( this->CurrentRenderer == NULL )
- return;
-
- vtkRenderWindowInteractor* rwi = this->GetInteractor( );
- double *center = this->CurrentRenderer->GetCenter( );
- int dy = rwi->GetEventPosition( )[ 1 ] - rwi->GetLastEventPosition( )[ 1 ];
- double dyf = this->m_MotionFactor * dy / center[ 1 ];
- this->_Dolly( std::pow( 1.1, dyf ) );
-}
-
-// -------------------------------------------------------------------------
-void cpExtensions::Interaction::BaseStyle::
-Pan( )
-{
- if( this->CurrentRenderer == NULL )
- return;
-
- vtkRenderWindowInteractor* rwi = this->Interactor;
- double viewFocus[ 4 ], focalDepth, viewPoint[ 3 ];
- double newPickPoint[ 4 ], oldPickPoint[ 4 ], motionVector[ 3 ];
-
- // Calculate the focal depth since we'll be using it a lot
- vtkCamera* camera = this->CurrentRenderer->GetActiveCamera( );
- camera->GetFocalPoint( viewFocus );
- this->ComputeWorldToDisplay(
- viewFocus[ 0 ], viewFocus[ 1 ], viewFocus[ 2 ], viewFocus
- );
- focalDepth = viewFocus[ 2 ];
- this->ComputeDisplayToWorld(
- rwi->GetEventPosition( )[ 0 ],
- rwi->GetEventPosition( )[ 1 ],
- focalDepth,
- newPickPoint
- );
-
- // Has to recalc old mouse point since the viewport has moved,
- // so can't move it outside the loop
- this->ComputeDisplayToWorld(
- rwi->GetLastEventPosition( )[ 0 ],
- rwi->GetLastEventPosition( )[ 1 ],
- focalDepth,
- oldPickPoint
- );
-
- // Camera motion is reversed
- motionVector[ 0 ] = oldPickPoint[ 0 ] - newPickPoint[ 0 ];
- motionVector[ 1 ] = oldPickPoint[ 1 ] - newPickPoint[ 1 ];
- motionVector[ 2 ] = oldPickPoint[ 2 ] - newPickPoint[ 2 ];
-
- camera->GetFocalPoint( viewFocus );
- camera->GetPosition( viewPoint );
- camera->SetFocalPoint(
- motionVector[ 0 ] + viewFocus[ 0 ],
- motionVector[ 1 ] + viewFocus[ 1 ],
- motionVector[ 2 ] + viewFocus[ 2 ]
- );
- camera->SetPosition(
- motionVector[ 0 ] + viewPoint[ 0 ],
- motionVector[ 1 ] + viewPoint[ 1 ],
- motionVector[ 2 ] + viewPoint[ 2 ]
- );
- if( rwi->GetLightFollowCamera( ) )
- this->CurrentRenderer->UpdateLightsGeometryToFollowCamera( );
- rwi->Render( );
-}
-
-// -------------------------------------------------------------------------
-cpExtensions::Interaction::BaseStyle::
-BaseStyle( )
- : Superclass( ),
- m_MotionFactor( double( 10 ) )
-{
- this->m_LeftButtonEvent.Reset( );
- this->m_MiddleButtonEvent.Reset( );
- this->m_RightButtonEvent.Reset( );
- this->m_ActiveButton = Self::ButtonID_None;
-
- this->EventCallbackCommand->SetCallback( Self::_ProcessEvents );
-}
-
-// -------------------------------------------------------------------------
-cpExtensions::Interaction::BaseStyle::
-~BaseStyle( )
-{
-}
-
-// -------------------------------------------------------------------------
-void cpExtensions::Interaction::BaseStyle::
-_Dolly( double factor )
-{
- if( this->CurrentRenderer == NULL )
- return;
-
- vtkCamera* camera = this->CurrentRenderer->GetActiveCamera( );
- if( camera->GetParallelProjection( ) == 0 )
- {
- camera->Dolly( factor );
- if( this->AutoAdjustCameraClippingRange )
- this->CurrentRenderer->ResetCameraClippingRange( );
- }
- else
- camera->SetParallelScale( camera->GetParallelScale( ) / factor );
- if( this->Interactor->GetLightFollowCamera( ) )
- this->CurrentRenderer->UpdateLightsGeometryToFollowCamera( );
- this->Interactor->Render( );
-}
-
-// -------------------------------------------------------------------------
-void cpExtensions::Interaction::BaseStyle::
-_ProcessEvents(
- vtkObject* object,
- unsigned long event,
- void* clientdata,
- void* calldata
- )
-{
- // Get active style and interactor
- Self* s = reinterpret_cast< Self* >( clientdata );
- if( s == NULL )
- return;
-
- // Process events
- switch( event )
- {
- case vtkCommand::MouseMoveEvent:
- {
- s->OnMouseMove( );
- }
- break;
- case vtkCommand::LeftButtonPressEvent:
- {
- unsigned char nc = s->m_LeftButtonEvent.Clicks( );
- if( nc == 2 )
- s->OnLeftDoubleClick( );
- else if( nc == 1 )
- s->OnLeftClick( );
- s->OnLeftButtonDown( );
- }
- break;
- case vtkCommand::LeftButtonReleaseEvent:
- {
- s->m_LeftButtonEvent.Release( );
- s->OnLeftButtonUp( );
- }
- break;
- case vtkCommand::MiddleButtonPressEvent:
- {
- unsigned char nc = s->m_MiddleButtonEvent.Clicks( );
- if( nc == 2 )
- s->OnMiddleDoubleClick( );
- else if( nc == 1 )
- s->OnMiddleClick( );
- s->OnMiddleButtonDown( );
- }
- break;
- case vtkCommand::MiddleButtonReleaseEvent:
- {
- s->m_MiddleButtonEvent.Release( );
- s->OnMiddleButtonUp( );
- }
- break;
- case vtkCommand::RightButtonPressEvent:
- {
- unsigned char nc = s->m_RightButtonEvent.Clicks( );
- if( nc == 2 )
- s->OnRightDoubleClick( );
- else if( nc == 1 )
- s->OnRightClick( );
- s->OnRightButtonDown( );
- }
- break;
- case vtkCommand::RightButtonReleaseEvent:
- {
- s->m_RightButtonEvent.Release( );
- s->OnRightButtonUp( );
- }
- break;
- case vtkCommand::MouseWheelForwardEvent:
- {
- s->OnMouseWheelForward( );
- }
- break;
- case vtkCommand::MouseWheelBackwardEvent:
- {
- s->OnMouseWheelBackward( );
- }
- break;
- case vtkCommand::KeyPressEvent:
- {
- s->OnKeyDown( );
- s->OnKeyPress( );
- }
- break;
- case vtkCommand::KeyReleaseEvent:
- {
- s->OnKeyUp( );
- s->OnKeyRelease( );
- }
- break;
- case vtkCommand::CharEvent:
- {
- s->OnChar( );
- }
- break;
- case vtkCommand::ExposeEvent:
- {
- s->OnExpose( );
- }
- break;
- case vtkCommand::ConfigureEvent:
- {
- s->OnConfigure( );
- }
- break;
- case vtkCommand::EnterEvent:
- {
- s->OnEnter( );
- }
- break;
- case vtkCommand::LeaveEvent:
- {
- s->OnLeave( );
- }
- break;
- case vtkCommand::TimerEvent:
- {
- // Do nothing
- }
- break;
- case vtkCommand::DeleteEvent:
- {
- s->SetInteractor( 0 );
- }
- break;
- case vtkCommand::TDxMotionEvent:
- case vtkCommand::TDxButtonPressEvent:
- case vtkCommand::TDxButtonReleaseEvent:
- {
- s->DelegateTDxEvent( event, calldata );
- }
- break;
- default:
- break;
- } // hctiws
-}
-
-// eof - $RCSfile$
git://git.creatis.insa-lyon.fr / cpPlugins.git / blobdiff