bool Interactor2DMeasure::ProcessMouseDownEvent( QMouseEvent* event, RenderView* renderview )
{
RenderView2D* view = ( RenderView2D* )renderview;
// UpdateCursor( event, view );
if ( m_region && !m_bDrawing && !m_bEditing )
{
m_region->Highlight( false );
}
if ( event->button() == Qt::LeftButton )
{
if ( ( event->modifiers() & CONTROL_MODIFIER ) && ( event->modifiers() & Qt::ShiftModifier ) )
{
return Interactor2D::ProcessMouseDownEvent( event, renderview );
}
LayerCollection* lc = MainWindow::GetMainWindow()->GetLayerCollection( "MRI" );
LayerVolumeBase* mri = ( LayerVolumeBase* )lc->GetActiveLayer();
if ( mri )
{
m_nMousePosX = event->x();
m_nMousePosY = event->y();
if ( m_region && m_bDrawing ) // drawing
{
((Region2DPolyline*)m_region)->AddPoint( m_nMousePosX, m_nMousePosY );
}
else
{
Region2D* reg = view->GetRegion( m_nMousePosX, m_nMousePosY, &m_nPointIndex );
if ( !reg ) // new region
{
if ( m_nAction == MM_Line )
{
Region2DLine* reg_line = new Region2DLine( view );
reg_line->SetLine( m_nMousePosX, m_nMousePosY, m_nMousePosX, m_nMousePosY );
view->AddRegion( reg_line );
m_region = reg_line;
}
else if ( m_nAction == MM_Spline || m_nAction == MM_Polyline )
{
Region2DPolyline* reg_polyline = new Region2DPolyline( view, m_nAction == MM_Spline );
reg_polyline->AddPoint( m_nMousePosX, m_nMousePosY );
reg_polyline->AddPoint( m_nMousePosX, m_nMousePosY ); // add second point
view->AddRegion( reg_polyline );
m_region = reg_polyline;
}
else if ( m_nAction == MM_Rectangle )
{
Region2DRectangle* reg_rect = new Region2DRectangle( view );
reg_rect->SetRect( m_nMousePosX, m_nMousePosY, 1, 1 );
view->AddRegion( reg_rect );
m_region = reg_rect;
}
m_bDrawing = true;
}
else // editing
{
m_region = reg;
m_bEditing = true;
m_region->Highlight();
view->EmitRegionSelected( reg );
view->RequestRedraw();
}
}
return false;
}
}
else if ( event->button() == Qt::RightButton )
{
if ( m_bDrawing && m_region )
{
m_bDrawing = false;
m_bEditing = false;
if ( m_nAction == MM_Spline || m_nAction == MM_Polyline )
{
((Region2DPolyline*)m_region)->RemoveLastPoint();
}
view->RequestRedraw();
return false;
}
}
return Interactor2D::ProcessMouseDownEvent( event, renderview ); // pass down the event
}
bool Interactor2DMeasure::ProcessMouseDownEvent( wxMouseEvent& event, RenderView* renderview )
{
RenderView2D* view = ( RenderView2D* )renderview;
// UpdateCursor( event, view );
if ( m_region && !m_bDrawing && !m_bEditing )
m_region->Highlight( false );
if ( event.LeftDown() )
{
if ( event.CmdDown() && event.ShiftDown() )
return Interactor2D::ProcessMouseDownEvent( event, renderview );
LayerCollection* lc = MainWindow::GetMainWindowPointer()->GetLayerCollectionManager()->GetLayerCollection( "MRI" );
LayerVolumeBase* mri = ( LayerVolumeBase* )lc->GetActiveLayer();
if ( mri )
{
m_nMousePosX = event.GetX();
m_nMousePosY = event.GetY();
Region2D* reg = view->GetRegion( m_nMousePosX, m_nMousePosY, &m_nPointIndex );
if ( m_region && m_bDrawing )
{
((Region2DPolyline*)m_region)->AddPoint( m_nMousePosX, m_nMousePosY );
}
else if ( !reg ) // drawing
{
if ( m_nAction == MM_Line )
{
Region2DLine* reg_line = new Region2DLine( view );
reg_line->SetLine( m_nMousePosX, m_nMousePosY, m_nMousePosX, m_nMousePosY );
view->AddRegion( reg_line );
m_region = reg_line;
}
else if ( m_nAction == MM_Spline || m_nAction == MM_Polyline )
{
Region2DPolyline* reg_polyline = new Region2DPolyline( view, m_nAction == MM_Spline );
reg_polyline->AddPoint( m_nMousePosX, m_nMousePosY );
reg_polyline->AddPoint( m_nMousePosX, m_nMousePosY ); // add second point
view->AddRegion( reg_polyline );
m_region = reg_polyline;
}
else if ( m_nAction == MM_Rectangle )
{
Region2DRectangle* reg_rect = new Region2DRectangle( view );
reg_rect->SetRect( m_nMousePosX, m_nMousePosY, 1, 1 );
view->AddRegion( reg_rect );
m_region = reg_rect;
}
m_bDrawing = true;
}
else // editing
{
m_region = reg;
m_bEditing = true;
m_region->Highlight();
view->SendBroadcast( "RegionSelected", m_region );
view->NeedRedraw();
}
return false;
}
}
else if ( event.RightDown() )
{
if ( m_bDrawing && m_region )
{
m_bDrawing = false;
m_bEditing = false;
if ( m_nAction == MM_Spline || m_nAction == MM_Polyline )
((Region2DPolyline*)m_region)->RemoveLastPoint();
view->NeedRedraw();
return false;
}
}
return Interactor2D::ProcessMouseDownEvent( event, renderview ); // pass down the event
}
