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feat(tracker): implement edit modes, resembling tab stops

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vsariola
2021-02-08 20:15:37 +02:00
parent 7408956f77
commit 38008bdb87
13 changed files with 619 additions and 347 deletions
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32
tracker/uniteditor.go
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@ -21,11 +21,12 @@ func (t *Tracker) layoutUnitEditor(gtx C) D {
if t.song.Patch.Instruments[t.CurrentInstrument].Units[t.CurrentUnit].Type == "" {
editorFunc = t.layoutUnitTypeChooser
}
paint.FillShape(gtx.Ops, unitSurfaceColor, clip.Rect{Max: image.Pt(gtx.Constraints.Max.X, gtx.Constraints.Max.Y)}.Op())
return layout.Flex{Axis: layout.Vertical}.Layout(gtx,
layout.Flexed(1, editorFunc),
layout.Rigid(t.layoutUnitFooter()),
)
return Surface{Gray: 24, Focus: t.EditMode == EditUnits || t.EditMode == EditParameters}.Layout(gtx, func(gtx C) D {
return layout.Flex{Axis: layout.Vertical}.Layout(gtx,
layout.Flexed(1, editorFunc),
layout.Rigid(t.layoutUnitFooter()))
})
}
func (t *Tracker) layoutUnitSliders(gtx C) D {
@ -41,12 +42,6 @@ func (t *Tracker) layoutUnitSliders(gtx C) D {
t.ParameterSliders = append(t.ParameterSliders, new(widget.Float))
}
params := t.song.Patch.Instruments[t.CurrentInstrument].Units[t.CurrentUnit].Parameters
for t.ParameterSliders[index].Changed() {
params[ut[index].Name] = int(t.ParameterSliders[index].Value)
// TODO: tracker should have functions to update parameters and
// to do this efficiently i.e. not compile the whole patch again
t.LoadSong(t.song)
}
t.ParameterSliders[index].Value = float32(params[ut[index].Name])
sliderStyle := material.Slider(t.Theme, t.ParameterSliders[index], float32(ut[index].MinValue), float32(ut[index].MaxValue))
sliderStyle.Color = t.Theme.Fg
@ -65,7 +60,19 @@ func (t *Tracker) layoutUnitSliders(gtx C) D {
}),
layout.Rigid(func(gtx C) D {
gtx.Constraints.Min.X = gtx.Px(unit.Dp(200))
return sliderStyle.Layout(gtx)
gtx.Constraints.Min.Y = gtx.Px(unit.Dp(40))
if t.EditMode == EditParameters && t.CurrentParam == index {
paint.FillShape(gtx.Ops, cursorColor, clip.Rect{
Max: gtx.Constraints.Min,
}.Op())
}
dims := sliderStyle.Layout(gtx)
for sliderStyle.Float.Changed() {
t.EditMode = EditParameters
t.CurrentParam = index
t.SetUnitParam(int(t.ParameterSliders[index].Value))
}
return dims
}),
layout.Rigid(Label(valueText, white)),
)
@ -108,7 +115,6 @@ func (t *Tracker) layoutUnitFooter() layout.Widget {
}
func (t *Tracker) layoutUnitTypeChooser(gtx C) D {
paint.FillShape(gtx.Ops, unitSurfaceColor, clip.Rect{Max: image.Pt(gtx.Constraints.Max.X, gtx.Constraints.Max.Y)}.Op())
listElem := func(gtx C, i int) D {
for t.ChooseUnitTypeBtns[i].Clicked() {
t.SetUnit(allUnits[i])