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fix #273080 - Visible mixer with no score leads to instant crash on startup

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Dag Henning Liodden Sørbø 2018-06-05 20:19:35 +02:00
parent c7fa7c6fc6
commit c6fa1ea1f7
1 changed files with 3 additions and 0 deletions
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3
mscore/mixer.cpp
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@ -390,6 +390,9 @@ void Mixer::midiPrefsChanged(bool showMidiControls)
void MuseScore::showMixer(bool val)
{
if (!cs)
return;
QAction* a = getAction("toggle-mixer");
if (mixer == 0) {
mixer = new Mixer(this);