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feat(tracker): add numeric updown to choose number of voices for instrument

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vsariola
2021-02-03 14:53:12 +02:00
parent e25015a60b
commit 21b620c824
2 changed files with 36 additions and 0 deletions
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14
tracker/instruments.go
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@ -67,6 +67,20 @@ func (t *Tracker) layoutInstrumentHeader() layout.Widget {
deleteInstrumentBtnStyle.Color = disabledTextColor
}
return layout.Flex{Axis: layout.Horizontal}.Layout(gtx,
layout.Rigid(Label("Voices:", white)),
layout.Rigid(func(gtx layout.Context) layout.Dimensions {
maxRemain := 32 - t.song.Patch.TotalVoices() + t.song.Patch.Instruments[t.CurrentInstrument].NumVoices
if maxRemain < 0 {
maxRemain = 0
}
t.InstrumentVoices.Value = t.song.Patch.Instruments[t.CurrentInstrument].NumVoices
numStyle := NumericUpDown(t.Theme, t.InstrumentVoices, 0, maxRemain)
gtx.Constraints.Min.Y = gtx.Px(unit.Dp(20))
gtx.Constraints.Min.X = gtx.Px(unit.Dp(70))
dims := numStyle.Layout(gtx)
t.SetInstrumentVoices(t.InstrumentVoices.Value)
return dims
}),
layout.Flexed(1, func(gtx C) D { return layout.Dimensions{Size: gtx.Constraints.Min} }),
layout.Rigid(deleteInstrumentBtnStyle.Layout))
}