VST: workaround for a Wavelab bug.

modules/juce_audio_plugin_client/VST/juce_VST_Wrapper.mm

@@ -89,6 +89,13 @@ void* attachComponentToWindowRef (Component* comp, void* windowRef)
     comp->addToDesktop (ComponentPeer::windowIgnoresKeyPresses, parentView);
    #endif
 
+    // (this workaround is because Wavelab provides a zero-size parent view..)
+    if ([parentView frame].size.height == 0)
+        [((NSView*) comp->getWindowHandle()) setFrameOrigin: NSZeroPoint];
+
+    comp->setVisible (true);
+    comp->toFront (false);
+
     [[parentView window] setAcceptsMouseMovedEvents: YES];
     return parentView;
   #else

modules/juce_audio_processors/format_types/juce_VSTPluginFormat.cpp

@@ -1230,8 +1230,7 @@ public:
 
             if (peer != nullptr)
             {
-                const Point<int> pos (getScreenPosition() - peer->getScreenPosition());
-                peer->addMaskedRegion (pos.getX(), pos.getY(), getWidth(), getHeight());
+                peer->addMaskedRegion (getScreenBounds() - peer->getScreenPosition());
 
                #if JUCE_LINUX
                 if (pluginWindow != 0)