Fix saving OSD pretty settings

src/widgets/osdpretty.cpp

@@ -491,6 +491,7 @@ void OSDPretty::mouseReleaseEvent(QMouseEvent *) {
     popup_screen_ = current_screen();
     popup_screen_name_ = current_screen()->name();
     popup_pos_ = current_pos();
+    emit PositionChanged();
   }
 
 }

src/widgets/osdpretty.h

@@ -107,6 +107,9 @@ class OSDPretty : public QWidget {
   bool toggle_mode() const { return toggle_mode_; }
   void set_toggle_mode(bool toggle_mode) { toggle_mode_ = toggle_mode; }
 
+ signals:
+  void PositionChanged();
+
  public slots:
   void ReloadSettings();