Fix crash when editing effect on first track:

[kdenlive] / src / trackview.cpp

diff --git a/src/trackview.cpp b/src/trackview.cpp
index 5333eb0e325bc04aaede201fa2d73e99815d09a4..c75cd06a1ebbc6a76509c30a56d9a96924f6a23d 100644 (file)
--- a/src/trackview.cpp
+++ b/src/trackview.cpp
@@ -992,7 +992,7 @@ void TrackView::slotShowTrackEffects(int ix)
 void TrackView::slotUpdateTrackEffectState(int ix)
 {
     QList<HeaderTrack *> widgets = findChildren<HeaderTrack *>();
-    if (ix >= widgets.count()) {
+    if (ix < 0 || ix >= widgets.count()) {
         kDebug() << "ERROR, Trying to access a non existant track: " << ix;
         return;
     }