restored minimum width functionality in effect controls

panels/effectcontrols.cpp

@@ -651,6 +651,11 @@ EffectsArea::EffectsArea(QWidget* parent) :
   QWidget(parent)
 {}
 
+void EffectsArea::resizeEvent(QResizeEvent *)
+{
+  parent_widget->setMinimumWidth(sizeHint().width());
+}
+
 void EffectsArea::receive_wheel_event(QWheelEvent *e) {
   QApplication::sendEvent(this, e);
 }

panels/effectcontrols.h

@@ -46,6 +46,8 @@ public:
   QScrollArea* parent_widget;
   KeyframeView* keyframe_area;
   TimelineHeader* header;
+protected:
+  void resizeEvent(QResizeEvent*);
 public slots:
   void receive_wheel_event(QWheelEvent* e);
 };