- changed the default way to copy the coordinates to clipboard. Before,

at each mouse click on canvaas the coordinates were copied to clipboard.
Now for the same feet it require to have the CTRL key pressed while
clicking on canvas for the coordinates to be copied.

FlatCAMApp.py

@@ -1639,8 +1639,9 @@ class App(QtCore.QObject):
         try:
             App.log.debug('button=%d, x=%d, y=%d, xdata=%f, ydata=%f' % (
                 event.button, event.x, event.y, event.xdata, event.ydata))
-
-            self.clipboard.setText(self.defaults["point_clipboard_format"] % (event.xdata, event.ydata))
+            modifiers = QtGui.QApplication.keyboardModifiers()
+            if modifiers == QtCore.Qt.ControlModifier:
+                self.clipboard.setText(self.defaults["point_clipboard_format"] % (event.xdata, event.ydata))
 
         except Exception, e:
             App.log.debug("Outside plot?")