Initial release

engine/vendor/vst3sdk/vstgui4/vstgui/uidescription/editing/uioverlayview.cpp

@@ -0,0 +1,55 @@
+// This file is part of VSTGUI. It is subject to the license terms
+// in the LICENSE file found in the top-level directory of this
+// distribution and at http://github.com/steinbergmedia/vstgui/LICENSE
+
+#include "uioverlayview.h"
+
+#if VSTGUI_LIVE_EDITING
+
+//------------------------------------------------------------------------
+namespace VSTGUI {
+
+//----------------------------------------------------------------------------------------------------
+UIOverlayView::UIOverlayView (CViewContainer* view)
+: CView ({}), targetView (view), targetViewParent (view->getParentView ())
+{
+	setMouseEnabled (false);
+	targetViewParent->registerViewListener (this);
+	targetView->registerViewListener (this);
+}
+
+//----------------------------------------------------------------------------------------------------
+UIOverlayView::~UIOverlayView ()
+{
+	targetViewParent->unregisterViewListener (this);
+	targetView->unregisterViewListener (this);
+}
+
+//----------------------------------------------------------------------------------------------------
+bool UIOverlayView::attached (CView* parent)
+{
+	auto result = CView::attached (parent);
+	viewSizeChanged (targetViewParent, {});
+	return result;
+}
+
+//----------------------------------------------------------------------------------------------------
+void UIOverlayView::viewSizeChanged (CView* view, const CRect& oldSize)
+{
+	if (view == targetView)
+		invalid ();
+	CRect r = targetView->getVisibleViewSize ();
+	CPoint p;
+	targetViewParent->localToFrame (p);
+	r.offset (p.x, p.y);
+	if (getViewSize () != r)
+	{
+		setViewSize (r);
+		invalid ();
+	}
+}
+
+//------------------------------------------------------------------------
+} // VSTGUI
+
+#endif // VSTGUI_LIVE_EDITING