Merge pull request #145 from Yutsuten/fix-history

Prevent undo error in some edge cases
Yutsuten · Aug 12, 2022 · 0b0e53e · 0b0e53e
2 parents 6556ffd + 48417cb
commit 0b0e53e
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/src/deck_manager.py b/src/deck_manager.py
@@ -136,6 +136,8 @@ def undo(self):
         """Restore the life to how it was in the previous card."""
         bar_info = self._bar_info[self._cur_deck_id]
         history = bar_info['history']
+        if bar_info['currentReview'] == 0:
+            return
         bar_info['currentReview'] -= 1
         bar_info['currentValue'] = history[bar_info['currentReview']]
         self._progress_bar.set_current_value(bar_info['currentValue'])