Fix double widget events received when using auto-scaling

Signed-off-by: falkTX <falktx@falktx.com>

dgl/TopLevelWidget.hpp

@@ -107,6 +107,14 @@ public:
     DISTRHO_DEPRECATED_BY("getWindow()")
     Window& getParentWindow() const noexcept { return getWindow(); }
 
+protected:
+    bool onKeyboard(const KeyboardEvent&) override;
+    bool onSpecial(const SpecialEvent&) override;
+    bool onCharacterInput(const CharacterInputEvent&) override;
+    bool onMouse(const MouseEvent&) override;
+    bool onMotion(const MotionEvent&) override;
+    bool onScroll(const ScrollEvent&) override;
+
 private:
     struct PrivateData;
     PrivateData* const pData;

dgl/src/TopLevelWidget.cpp

@@ -19,7 +19,7 @@
 
 START_NAMESPACE_DGL
 
-// -----------------------------------------------------------------------
+// --------------------------------------------------------------------------------------------------------------------
 
 TopLevelWidget::TopLevelWidget(Window& windowToMapTo)
     : Widget(this),
@@ -93,6 +93,38 @@ void TopLevelWidget::setGeometryConstraints(const uint minimumWidth,
     pData->window.setGeometryConstraints(minimumWidth, minimumHeight, keepAspectRatio, automaticallyScale);
 }
 
-// -----------------------------------------------------------------------
+// --------------------------------------------------------------------------------------------------------------------
+
+bool TopLevelWidget::onKeyboard(const KeyboardEvent&)
+{
+    return false;
+}
+
+bool TopLevelWidget::onSpecial(const SpecialEvent&)
+{
+    return false;
+}
+
+bool TopLevelWidget::onCharacterInput(const CharacterInputEvent&)
+{
+    return false;
+}
+
+bool TopLevelWidget::onMouse(const MouseEvent&)
+{
+    return false;
+}
+
+bool TopLevelWidget::onMotion(const MotionEvent&)
+{
+    return false;
+}
+
+bool TopLevelWidget::onScroll(const ScrollEvent&)
+{
+    return false;
+}
+
+// --------------------------------------------------------------------------------------------------------------------
 
 END_NAMESPACE_DGL