Fix subwidget position of BlendishSubWidgetSharedContext stuff

Signed-off-by: falkTX <falktx@falktx.com>
DISTRHO · Oct 16, 2021 · 881027f · 881027f
1 parent 27b70b1
commit 881027f
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diff --git a/opengl/Blendish.cpp b/opengl/Blendish.cpp
@@ -316,6 +316,21 @@ void BlendishSubWidgetSharedContext::onDisplay()
     pData->nvg.endFrame();
 }
 
+void BlendishSubWidgetSharedContext::onPositionChanged(const PositionChangedEvent& ev)
+{
+    const int xOffset = ev.oldPos.getX() - ev.pos.getX();
+    const int yOffset = ev.oldPos.getY() - ev.pos.getY();
+
+    for (std::list<BlendishSubWidget*>::iterator it = pData->widgets.begin(); it != pData->widgets.end(); ++it)
+    {
+        BlendishSubWidget* const widget(*it);
+
+        Point<int> pos(widget->getMargin());
+        pos.moveBy(xOffset, yOffset);
+        widget->setMargin(pos);
+    }
+}
+
 // --------------------------------------------------------------------------------------------------------------------
 
 struct BlendishSubWidget::ProtectedData {

diff --git a/opengl/Blendish.hpp b/opengl/Blendish.hpp
@@ -114,6 +114,7 @@ class BlendishSubWidgetSharedContext : public SubWidget
 
 protected:
     void onDisplay() override;
+    void onPositionChanged(const PositionChangedEvent& ev) override;
 
 private:
     struct PrivateData;