more work on patch change redisplay.

- fixes just-introduced undo crash.
2016-12-16 01:58:58 +11:00
parent 2a79bcd6b2
commit a99331a4e9
3 changed files with 14 additions and 11 deletions
--- a/libs/canvas/flag.cc
+++ b/libs/canvas/flag.cc
@@ -74,6 +74,8 @@ Flag::set_text (string const & text)
 {
 	if (text.empty ()) {
 		_text->set (" ");
+	} else if (text == _text->text()) {
+		return;
 	} else {
 		_text->set (text);
 	}