Fixed crash when scrolling up really fast. (#4621)

2023-05-11 16:05:27 +00:00
parent 1f0aa808a5
commit 1d4c6d5a9e
2 changed files with 3 additions and 1 deletions
@@ -1362,7 +1362,8 @@ void ChannelView::wheelEvent(QWheelEvent *event)
    {
        float mouseMultiplier = getSettings()->mouseScrollMultiplier;

-        qreal desired = this->scrollBar_->getDesiredValue();
+        // This ensures snapshot won't be indexed out of bounds when scrolling really fast
+        qreal desired = std::max<qreal>(0, this->scrollBar_->getDesiredValue());
        qreal delta = event->angleDelta().y() * qreal(1.5) * mouseMultiplier;

        auto &snapshot = this->getMessagesSnapshot();