Enhancement: 'select highlighted objects' from properties dialog (object tree context menu)

src/laybasic/laybasic/layProperties.h

@@ -119,6 +119,14 @@ public:
     return QIcon ();
   }
 
+  /**
+   *  @brief Confines the selection to the given selection indexes
+   *
+   *  After this operation, the selection entries are renumbered with only
+   *  the remaining ones present.
+   */
+  virtual void confine_selection (const std::vector<size_t> &remaining_entries) = 0;
+
   /**
    *  @brief Update the display
    *