Add submenu parameter to only have cancel

template/qtgui/submenus.py

@@ -50,10 +50,13 @@ class Submenu(QtWidgets.QDialog):
 
         #self.setFocus(); #self.grabKeyboard(); #redundant for a proper modal dialog. Leave here for documentation reasons.
 
-        if hasOkCancelButtons:            
+        if hasOkCancelButtons == 1: #or true
             self.buttonBox = QtWidgets.QDialogButtonBox(QtWidgets.QDialogButtonBox.Ok | QtWidgets.QDialogButtonBox.Cancel)
             self.buttonBox.accepted.connect(self.process)
             self.buttonBox.rejected.connect(self.reject)
+        elif hasOkCancelButtons == 2: #only cancel. #TODO: unpythonic.
+            self.buttonBox = QtWidgets.QDialogButtonBox(QtWidgets.QDialogButtonBox.Cancel)
+            self.buttonBox.rejected.connect(self.reject)
         else:
             self.buttonBox = None