Gui: [skip ci] fix crash in SequencerBar::setProgress or SequencerDialog::setProgress when used in worker threads

2021-04-28 12:02:52 +02:00
parent 0909fa76aa
commit 545d055766
2 changed files with 18 additions and 2 deletions
--- a/src/Gui/ProgressDialog.cpp
+++ b/src/Gui/ProgressDialog.cpp
@@ -152,7 +152,15 @@ void SequencerDialog::nextStep(bool canAbort)

 void SequencerDialog::setProgress(size_t step)
 {
-    d->dlg->show();
+    QThread* currentThread = QThread::currentThread();
+    QThread* thr = d->dlg->thread(); // this is the main thread
+    if (thr != currentThread) {
+        QMetaObject::invokeMethod(d->dlg, "show", Qt::QueuedConnection);
+    }
+    else {
+        d->dlg->show();
+    }
+
    setValue((int)step);
 }