Fix visual aid widget camera frustrum when presentation size changes

Change-Id: Ifc0457be9e8af9963b24085ce03dc895c02ad441
Fixes: QT3DS-3252
Reviewed-by: Mahmoud Badri <mahmoud.badri@qt.io>
Reviewed-by: Antti Määttä <antti.maatta@qt.io>

2 files changed, 14 insertions, 1 deletions

diff --git a/src/Authoring/Studio/Render/StudioRendererTranslation.cpp b/src/Authoring/Studio/Render/StudioRendererTranslation.cpp
index 752a84d7..94d77a59 100644
--- a/src/Authoring/Studio/Render/StudioRendererTranslation.cpp
+++ b/src/Authoring/Studio/Render/StudioRendererTranslation.cpp
@@ -2914,6 +2914,19 @@ void STranslation::drawPivot(SGraphObjectTranslator &inTranslator)
     }
 }
 
+void STranslation::SetViewport(qt3ds::QT3DSF32 inWidth, qt3ds::QT3DSF32 inHeight)
+{
+     m_Viewport = QT3DSVec2(inWidth, inHeight);
+     if (m_EditCameraEnabled) {
+         // Update inner rect as it is used to calculate camera frustrum for visual aid widget
+         QSize theSize = g_StudioApp.GetCore()->GetStudioProjectSettings()->getPresentationSize();
+         m_InnerRect.m_Top = 0;
+         m_InnerRect.m_Bottom = theSize.height();
+         m_InnerRect.m_Left = 0;
+         m_InnerRect.m_Right = theSize.width();
+     }
+}
+
 Option<QT3DSU32> STranslation::PickWidget(CPt inMouseCoords, TranslationSelectMode::Enum,
                                        qt3ds::widgets::IStudioWidgetBase &inWidget)
 {
diff --git a/src/Authoring/Studio/Render/StudioRendererTranslation.h b/src/Authoring/Studio/Render/StudioRendererTranslation.h
index 45e86871..2d3e965a 100644
--- a/src/Authoring/Studio/Render/StudioRendererTranslation.h
+++ b/src/Authoring/Studio/Render/StudioRendererTranslation.h
@@ -494,7 +494,7 @@ namespace studio {
 
         void drawPivot(SGraphObjectTranslator &inTranslator);
 
-        void SetViewport(QT3DSF32 inWidth, QT3DSF32 inHeight) { m_Viewport = QT3DSVec2(inWidth, inHeight); }
+        void SetViewport(QT3DSF32 inWidth, QT3DSF32 inHeight);
 
         QT3DSVec2 GetViewportDimensions() const { return m_Viewport; }
         QT3DSVec2 GetPreviewViewportDimensions() const;