Make copy on select only copy to clipboard if we actually have a

selection. This avoids the clipboard to be cleared if we loose
selection. Like you have vim open, select some text, CTRL-Z to send vim
to the background, that causes the selection to change and the clipboard
to be cleared.

Patch from Mattias Eriksson (merge proposal #279733)

terminatorlib/terminal.py

@@ -330,7 +330,7 @@ class Terminal(gtk.VBox):
         del(self.matches[name])
 
     def maybe_copy_clipboard(self):
-        if self.config['copy_on_selection']:
+        if self.config['copy_on_selection'] and self.vte.get_has_selection():
             self.vte.copy_clipboard()
 
     def connect_signals(self):