Merge topic 'alt-key'

cb280002

 Set the Alt key state in vtkRenderWindowInteractor
Acked-by: Kitware Robot <kwrobot@kitware.com>
Reviewed-by: David E DeMarle <dave.demarle@kitware.com>
Merge-request: !1129

GUISupport/Qt/QVTKInteractorAdapter.cxx

@@ -112,6 +112,7 @@ bool QVTKInteractorAdapter::ProcessEvent(QEvent* e, vtkRenderWindowInteractor* i
                                 (e2->modifiers() & Qt::ShiftModifier ) > 0 ? 1 : 0,
                                 0,
                                 e2->type() == QEvent::MouseButtonDblClick ? 1 : 0);
+    iren->SetAltKey((e2->modifiers() & Qt::AltModifier) > 0 ? 1 : 0);
 
     if(t == QEvent::MouseMove)
       {
@@ -237,6 +238,7 @@ bool QVTKInteractorAdapter::ProcessEvent(QEvent* e, vtkRenderWindowInteractor* i
       (e2->modifiers() & Qt::ControlModifier),
       (e2->modifiers() & Qt::ShiftModifier),
       ascii_key, e2->count(), keysym);
+    iren->SetAltKey((e2->modifiers() & Qt::AltModifier) > 0 ? 1 : 0);
 
     if(t == QEvent::KeyPress)
       {
@@ -263,6 +265,7 @@ bool QVTKInteractorAdapter::ProcessEvent(QEvent* e, vtkRenderWindowInteractor* i
     iren->SetEventInformationFlipY(e2->x(), e2->y(),
                                (e2->modifiers() & Qt::ControlModifier) > 0 ? 1 : 0,
                                (e2->modifiers() & Qt::ShiftModifier ) > 0 ? 1 : 0);
+    iren->SetAltKey((e2->modifiers() & Qt::AltModifier) > 0 ? 1 : 0);
 
     this->AccumulatedDelta += e2->delta();
     const int threshold = 120;
@@ -299,6 +302,7 @@ bool QVTKInteractorAdapter::ProcessEvent(QEvent* e, vtkRenderWindowInteractor* i
     iren->SetEventInformationFlipY(e2->x(), e2->y(),
                                (e2->modifiers() & Qt::ControlModifier) > 0 ? 1 : 0,
                                (e2->modifiers() & Qt::ShiftModifier ) > 0 ? 1 : 0);
+    iren->SetAltKey((e2->modifiers() & Qt::AltModifier) > 0 ? 1 : 0);
 
     // invoke event and pass qt event for additional data as well
     iren->InvokeEvent(QVTKInteractor::ContextMenuEvent, e2);