bool Interactor2D::ProcessMouseUpEvent( wxMouseEvent& event, RenderView* renderview )
{
RenderView2D* view = ( RenderView2D* )renderview;
if ( m_bSelecting )
{
view->StopSelection();
view->NeedRedraw();
}
m_nMousePosX = event.GetX();
m_nMousePosY = event.GetY();
m_bWindowLevel = false;
m_bChangeSlice = false;
m_bMovingCursor = false;
m_bSelecting = false;
view->UpdateAnnotation();
view->Update2DOverlay();
if ( event.LeftUp() )
{
return false;
}
else
{
return Interactor::ProcessMouseUpEvent( event, renderview );
}
}
bool Interactor2D::ProcessMouseUpEvent( QMouseEvent* event, RenderView* renderview )
{
RenderView2D* view = ( RenderView2D* )renderview;
if ( m_bSelecting )
{
view->StopSelection();
view->RequestRedraw();
}
m_nMousePosX = event->x();
m_nMousePosY = event->y();
m_bWindowLevel = false;
m_bChangeSlice = false;
m_bMovingCursor = false;
m_bSelecting = false;
view->UpdateAnnotation();
view->Update2DOverlay();
if ( event->button() == Qt::LeftButton )
{
return false;
}
else
{
return Interactor::ProcessMouseUpEvent( event, renderview );
}
}
void Interactor2D::ProcessPostMouseWheelEvent( wxMouseEvent& event, RenderView* renderview )
{
RenderView2D* view = ( RenderView2D* )renderview;
view->UpdateAnnotation();
view->Update2DOverlay();
view->NeedRedraw();
view->SendBroadcast( "Zooming", view );
Interactor::ProcessPostMouseWheelEvent( event, renderview );
}
void Interactor2D::ProcessPostMouseWheelEvent( QWheelEvent* event, RenderView* renderview )
{
RenderView2D* view = ( RenderView2D* )renderview;
view->UpdateAnnotation();
view->Update2DOverlay();
view->RequestRedraw();
view->EmitZooming();
Interactor::ProcessPostMouseWheelEvent( event, renderview );
}
bool Interactor2D::ProcessMouseDownEvent( wxMouseEvent& event, RenderView* renderview )
{
RenderView2D* view = ( RenderView2D* )renderview;
m_nMousePosX = event.GetX();
m_nMousePosY = event.GetY();
view->UpdateAnnotation();
if ( event.CmdDown() && !event.ShiftDown() )
{
if ( event.LeftDown() )
{
view->ZoomAtCursor( m_nMousePosX, m_nMousePosY, true );
return false;
}
else if ( event.RightDown() )
{
view->ZoomAtCursor( m_nMousePosX, m_nMousePosY, false );
return false;
}
}
if ( event.LeftDown() )
{
m_nDownPosX = m_nMousePosX;
m_nDownPosY = m_nMousePosY;
if ( event.ShiftDown() && !event.CmdDown() )
{
m_bWindowLevel = true;
}
else
{
m_bMovingCursor = true;
view->UpdateCursorRASPosition( m_nMousePosX, m_nMousePosY );
view->NeedRedraw();
}
}
else if ( event.MiddleDown() && event.ShiftDown() )
{
m_bSelecting = true;
view->StartSelection( m_nMousePosX, m_nMousePosY );
}
else if ( event.RightDown() && event.ShiftDown() && !event.CmdDown() )
{
m_bWindowLevel = true;
}
else
{
return Interactor::ProcessMouseDownEvent( event, renderview ); // pass down the event
}
return false; // do not pass down the event
}
bool Interactor2D::ProcessMouseMoveEvent( wxMouseEvent& event, RenderView* renderview )
{
RenderView2D* view = ( RenderView2D* )renderview;
LayerCollectionManager* lcm = MainWindow::GetMainWindowPointer()->GetLayerCollectionManager();
if ( !lcm->HasAnyLayer() )
{
return Interactor::ProcessMouseMoveEvent( event, renderview );
}
int posX = event.GetX();
int posY = event.GetY();
if ( m_bChangeSlice )
{
double* voxelSize = lcm->GetLayerCollection( "MRI" )->GetWorldVoxelSize();
int nPlane = view->GetViewPlane();
double dPixelPer = -0.20;
double dPosDiff = ( ( (int)( dPixelPer * ( posY - m_nDownPosY ) ) ) / dPixelPer -
( (int)( dPixelPer * ( m_nMousePosY - m_nDownPosY ) ) ) / dPixelPer )
* dPixelPer * voxelSize[nPlane];
if ( lcm->OffsetSlicePosition( nPlane, dPosDiff ) )
{
m_nMousePosX = posX;
m_nMousePosY = posY;
}
}
else if ( m_bMovingCursor )
{
view->UpdateCursorRASPosition( posX, posY );
view->NeedRedraw();
}
else if ( m_bWindowLevel )
{
std::vector<Layer*> layers = lcm->GetLayerCollection( "MRI" )->GetLayers();
LayerMRI* layer = NULL;
for ( size_t i = 0; i < layers.size(); i++ )
{
layer = ( LayerMRI*)layers[i];
if ( layer->IsVisible() && layer->GetProperties()->GetColorMap() == LayerPropertiesMRI::Grayscale )
break;
}
if ( layer )
{
double scaleX = 0.002;
double scaleY = 0.002;
double w = ( posX - m_nMousePosX ) * scaleX;
double l = ( posY - m_nMousePosY ) * scaleY;
double scaleOverall = layer->GetProperties()->GetMaxValue() -
layer->GetProperties()->GetMinValue();
w *= scaleOverall;
l *= scaleOverall;
w += layer->GetProperties()->GetWindow();
l += layer->GetProperties()->GetLevel();
if ( w < 0 )
w = 0;
layer->GetProperties()->SetWindowLevel( w, l );
}
m_nMousePosX = posX;
m_nMousePosY = posY;
}
else if ( m_bSelecting )
{
view->UpdateSelection( posX, posY );
view->NeedRedraw();
}
else
{
if ( event.MiddleIsDown() || event.RightIsDown() )
{
view->UpdateAnnotation();
view->Update2DOverlay();
if ( event.RightIsDown() )
view->SendBroadcast( "Zooming", view );
}
else
view->UpdateMouseRASPosition( posX, posY );
return Interactor::ProcessMouseMoveEvent( event, renderview );
}
return false;
}
bool Interactor2D::ProcessMouseDownEvent( QMouseEvent* event, RenderView* renderview )
{
RenderView2D* view = ( RenderView2D* )renderview;
m_nMousePosX = event->x();
m_nMousePosY = event->y();
view->UpdateAnnotation();
view->PickLineProfile(m_nMousePosX, m_nMousePosY);
MainWindow* mainwnd = MainWindow::GetMainWindow();
if ( ( event->modifiers() & CONTROL_MODIFIER ) && !( event->modifiers() & Qt::ShiftModifier ) )
{
if ( event->button() == Qt::LeftButton )
{
#ifndef Q_WS_MAC
view->ZoomAtCursor( m_nMousePosX, m_nMousePosY, 2.0 ); // zoom in
#endif
return false;
}
else if ( event->button() == Qt::RightButton )
{
#ifndef Q_WS_MAC
view->ZoomAtCursor( m_nMousePosX, m_nMousePosY, 0.5 ); // zoom out
#endif
return false;
}
}
if ( event->button() == Qt::LeftButton )
{
m_nDownPosX = m_nMousePosX;
m_nDownPosY = m_nMousePosY;
if ( !( event->modifiers() & CONTROL_MODIFIER ) && ( event->modifiers() & Qt::ShiftModifier ) &&
!mainwnd->IsRepositioningSurface())
{
m_bWindowLevel = true;
}
else
{
m_bMovingCursor = true;
view->UpdateCursorRASPosition( m_nMousePosX, m_nMousePosY );
view->RequestRedraw();
if (mainwnd->IsRepositioningSurface())
{
if ( event->modifiers() & CONTROL_MODIFIER &&
event->modifiers() & Qt::ShiftModifier)
QTimer::singleShot(0, mainwnd, SIGNAL(SurfaceRepositionIntensityChanged()));
else if (event->modifiers() & Qt::ShiftModifier)
QTimer::singleShot(0, mainwnd, SIGNAL(SurfaceRepositionVertexChanged()));
}
}
}
else if ( event->button() == Qt::MidButton && ( event->modifiers() & Qt::ShiftModifier ) )
{
m_bSelecting = true;
view->StartSelection( m_nMousePosX, m_nMousePosY );
}
else if ( event->button() == Qt::RightButton &&
!( event->modifiers() & CONTROL_MODIFIER ) &&
( event->modifiers() & Qt::ShiftModifier ) )
{
m_bWindowLevel = true;
}
#ifdef Q_WS_MAC
else if ( event->button() == Qt::RightButton &&
( event->modifiers() & CONTROL_MODIFIER ) &&
( event->modifiers() & Qt::ShiftModifier ) )
{
m_bMovingCursor = true;
view->UpdateCursorRASPosition( m_nMousePosX, m_nMousePosY );
view->RequestRedraw();
}
#endif
else if (event->button() == Qt::MidButton && (event->modifiers() & CONTROL_MODIFIER ))
{
m_bChangeSlice = true;
}
else
{
return Interactor::ProcessMouseDownEvent( event, renderview ); // pass down the event
}
return false; // do not pass down the event
}
bool Interactor2D::ProcessMouseMoveEvent( QMouseEvent* event, RenderView* renderview )
{
RenderView2D* view = ( RenderView2D* )renderview;
MainWindow* mainwnd = MainWindow::GetMainWindow();
if ( mainwnd->IsEmpty() )
{
return Interactor::ProcessMouseMoveEvent( event, renderview );
}
int posX = event->x();
int posY = event->y();
if ( m_bChangeSlice )
{
double* voxelSize = mainwnd->GetLayerCollection( "MRI" )->GetWorldVoxelSize();
int nPlane = view->GetViewPlane();
double dPixelPer = -0.25;
double dPosDiff = ( ( (int)( dPixelPer * ( posY - m_nDownPosY ) ) ) / dPixelPer -
( (int)( dPixelPer * ( m_nMousePosY - m_nDownPosY ) ) ) / dPixelPer )
* dPixelPer * voxelSize[nPlane];
if ( mainwnd->OffsetSlicePosition( nPlane, dPosDiff ) )
{
m_nMousePosX = posX;
m_nMousePosY = posY;
}
}
else if ( m_bMovingCursor )
{
view->UpdateCursorRASPosition( posX, posY );
view->RequestRedraw();
}
else if ( m_bWindowLevel )
{
QList<Layer*> layers = mainwnd->GetLayerCollection( "MRI" )->GetLayers();
LayerMRI* layer = (LayerMRI*)mainwnd->GetActiveLayer("MRI");
if (layer && (!layer->IsVisible() || layer->GetProperty()->GetColorMap() == LayerPropertyMRI::LUT))
{
layer = NULL;
}
if (layer == NULL)
{
for ( int i = 0; i < layers.size(); i++ )
{
layer = ( LayerMRI*)layers[i];
if ( layer->IsVisible() && layer->GetProperty()->GetColorMap() != LayerPropertyMRI::LUT )
{
break;
}
else
{
layer = NULL;
}
}
}
if ( layer )
{
double scaleX = 0.002;
double scaleY = 0.002;
double w = ( posX - m_nMousePosX ) * scaleX;
double l = ( posY - m_nMousePosY ) * scaleY;
double scaleOverall = layer->GetProperty()->GetMaxValue() -
layer->GetProperty()->GetMinValue();
w *= scaleOverall;
l *= scaleOverall;
switch ( layer->GetProperty()->GetColorMap() )
{
case LayerPropertyMRI::Grayscale:
w += layer->GetProperty()->GetWindow();
l += layer->GetProperty()->GetLevel();
if ( w < 0 )
{
w = 0;
}
layer->GetProperty()->SetWindowLevel(w, l);
break;
case LayerPropertyMRI::Heat:
w += layer->GetProperty()->GetHeatScaleMaxThreshold() - layer->GetProperty()->GetHeatScaleMinThreshold();
l += (layer->GetProperty()->GetHeatScaleMaxThreshold() + layer->GetProperty()->GetHeatScaleMinThreshold())/2;
if ( w < 0 )
{
w = 0;
}
layer->GetProperty()->SetHeatScale( l-w/2, l, l+w/2 );
break;
default:
w += layer->GetProperty()->GetMaxGenericThreshold() - layer->GetProperty()->GetMinGenericThreshold();
l += (layer->GetProperty()->GetMaxGenericThreshold() + layer->GetProperty()->GetMinGenericThreshold())/2;
if ( w < 0 )
{
w = 0;
}
layer->GetProperty()->SetMinMaxGenericThreshold( l-w/2, l+w/2 );
break;
}
}
m_nMousePosX = posX;
m_nMousePosY = posY;
}
else if ( m_bSelecting )
{
view->UpdateSelection( posX, posY );
view->RequestRedraw();
}
else
{
if ( event->buttons() & Qt::MidButton || event->buttons() & Qt::RightButton )
{
view->UpdateAnnotation();
view->Update2DOverlay();
if ( event->buttons() & Qt::RightButton )
{
view->EmitZooming();
}
}
else
{
view->UpdateMouseRASPosition( posX, posY );
}
return Interactor::ProcessMouseMoveEvent( event, renderview );
}
return false;
}