taskdialog/progressdialog: if guard on showEvent

Fixes #1599
2021-04-30 09:58:45 +10:00
parent b82e616124
commit 6ca8dbb70a
4 changed files with 42 additions and 17 deletions
@@ -72,6 +72,8 @@ private:

  bool destroy_on_close_;

+  bool already_shown_;
+
 private slots:
  void TaskFinished();