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Bug2004: Opening Mixer Board with a Note track crashed...

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... Just one null check was needed, but I also add another, and use a
wxWeakRef pointer, for more safety.
This commit is contained in:
Paul Licameli
2018-10-06 11:20:30 -04:00
parent e6e4f44c81
commit 3f928a25b0
2 changed files with 5 additions and 3 deletions
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6
src/MixerBoard.cpp
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@@ -668,7 +668,8 @@ void MixerTrackCluster::UpdateMeter(const double t0, const double t1)
else if (meterFloatsArray[index] > 1.0)
meterFloatsArray[index] = 1.0;
mMeter->UpdateDisplay(2, nFrames, meterFloatsArray.get());
if (mMeter)
mMeter->UpdateDisplay(2, nFrames, meterFloatsArray.get());
}
else
this->ResetMeter(false);
@@ -704,7 +705,8 @@ void MixerTrackCluster::OnPaint(wxPaintEvent & WXUNUSED(event))
wxColour col = theTheme.Colour(selected ? clrTrackInfoSelected : clrTrackInfo) ;
SetBackgroundColour( col );
mMeter->SetBackgroundColour( col );
if (mMeter)
mMeter->SetBackgroundColour( col );
mStaticText_TrackName->SetBackgroundColour( col );
mSlider_Gain->SetBackgroundColour( col );
mSlider_Pan->SetBackgroundColour( col );