Issue #355 Delete: elements of sketch and constraints

[modules/shaper.git] / src / ModuleBase / ModuleBase_IViewer.h

diff --git a/src/ModuleBase/ModuleBase_IViewer.h b/src/ModuleBase/ModuleBase_IViewer.h
index ba7ee1b28f536114857a3d6e195018efd5a86e49..3cf3bc5ab332613847b717ad872f65de38ee6f00 100644 (file)
--- a/src/ModuleBase/ModuleBase_IViewer.h
+++ b/src/ModuleBase/ModuleBase_IViewer.h
@@ -75,6 +75,10 @@ Q_OBJECT
   /// Update current viewer
   virtual void update() = 0;
 
+  /// Method returns True if the viewer can process editing objects 
+  /// by mouse drugging. If this is impossible thet it has to return False.
+  virtual bool canDragByMouse() const { return true; }
+
 signals:
   /// Signal emited when last view window is closed
   void lastViewClosed();