passthrough: when enabled disable CUE/Play indicators

src/engine/controls/cuecontrol.cpp

@@ -1181,7 +1181,6 @@ void CueControl::cuePlay(double value) {
     // If not freely playing (i.e. stopped or platter IS being touched), press to go to cue and stop.
     // On release, start playing from cue point.
 
-
     QMutexLocker lock(&m_mutex);
     const auto freely_playing = m_pPlay->toBool() && !getEngineBuffer()->getScratching();
     TrackAt trackAt = getTrackAt();
@@ -2030,6 +2029,7 @@ void HotcueControl::setCue(const CuePointer& pCue) {
     // because we have a null check for valid data else where in the code
     m_pCue = pCue;
 }
+
 mixxx::RgbColor::optional_t HotcueControl::getColor() const {
     return doubleToRgbColor(m_hotcueColor->get());
 }
@@ -2039,6 +2039,7 @@ void HotcueControl::setColor(mixxx::RgbColor::optional_t newColor) {
         m_hotcueColor->set(*newColor);
     }
 }
+
 void HotcueControl::resetCue() {
     // clear pCue first because we have a null check for valid data else where
     // in the code

src/engine/enginebuffer.cpp

@@ -584,6 +584,12 @@ void EngineBuffer::slotPassthroughChanged(double enabled) {
     if (enabled > 0) {
         // If passthrough was enabled, stop playing the current track.
         slotControlStop(1.0);
+        // Disable CUE and Play indicators
+        m_pCueControl->resetIndicators();
+    } else {
+        // Update CUE and Play indicators. Note: m_pCueControl->updateIndicators()
+        // is not sufficient.
+        updateIndicatorsAndModifyPlay(false, false);
     }
 }