diff options
Diffstat (limited to 'grc/gui/Connection.py')
| -rw-r--r-- | grc/gui/Connection.py | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/grc/gui/Connection.py b/grc/gui/Connection.py index 5d24fefded..4f46e73ea9 100644 --- a/grc/gui/Connection.py +++ b/grc/gui/Connection.py @@ -62,7 +62,10 @@ class Connection(Element): self._sink_coor = None self._source_coor = None #get the source coordinate - connector_length = self.get_source().get_connector_length() + try: + connector_length = self.get_source().get_connector_length() + except: + return self.x1, self.y1 = Utils.get_rotated_coordinate((connector_length, 0), self.get_source().get_rotation()) #get the sink coordinate connector_length = self.get_sink().get_connector_length() + CONNECTOR_ARROW_HEIGHT @@ -133,7 +136,11 @@ class Connection(Element): source = self.get_source() #check for changes if self._sink_rot != sink.get_rotation() or self._source_rot != source.get_rotation(): self.create_shapes() - elif self._sink_coor != sink.get_coordinate() or self._source_coor != source.get_coordinate(): self._update_after_move() + elif self._sink_coor != sink.get_coordinate() or self._source_coor != source.get_coordinate(): + try: + self._update_after_move() + except: + return #cache values self._sink_rot = sink.get_rotation() self._source_rot = source.get_rotation() @@ -145,5 +152,8 @@ class Connection(Element): else: border_color = Colors.CONNECTION_DISABLED_COLOR Element.draw(self, gc, window, bg_color=None, border_color=border_color) #draw arrow on sink port - gc.set_foreground(self._arrow_color) - window.draw_polygon(gc, True, self._arrow) + try: + gc.set_foreground(self._arrow_color) + window.draw_polygon(gc, True, self._arrow) + except: + return |