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feat(tracker): add button for deleting instrument

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vsariola
2021-01-30 22:55:27 +02:00
parent 6c97b5e736
commit 22c433b3e4
3 changed files with 49 additions and 0 deletions
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31
tracker/instruments.go
View File

@ -44,10 +44,41 @@ func (t *Tracker) layoutInstruments() layout.Widget {
}),
)
}),
layout.Rigid(t.layoutInstrumentHeader()),
layout.Flexed(1, t.layoutInstrumentEditor()))
}
}
func (t *Tracker) layoutInstrumentHeader() layout.Widget {
headerBg := func(gtx C) D {
paint.FillShape(gtx.Ops, trackMenuSurfaceColor, clip.Rect{
Max: gtx.Constraints.Min,
}.Op())
return layout.Dimensions{Size: gtx.Constraints.Min}
}
header := func(gtx C) D {
deleteInstrumentBtnStyle := material.IconButton(t.Theme, t.DeleteInstrumentBtn, deleteIcon)
deleteInstrumentBtnStyle.Background = transparent
deleteInstrumentBtnStyle.Inset = layout.UniformInset(unit.Dp(6))
if len(t.song.Patch.Instruments) > 1 {
deleteInstrumentBtnStyle.Color = primaryColor
} else {
deleteInstrumentBtnStyle.Color = disabledTextColor
}
return layout.Flex{Axis: layout.Horizontal}.Layout(gtx,
layout.Flexed(1, func(gtx C) D { return layout.Dimensions{Size: gtx.Constraints.Min} }),
layout.Rigid(deleteInstrumentBtnStyle.Layout))
}
for t.DeleteInstrumentBtn.Clicked() {
t.DeleteInstrument()
}
return func(gtx C) D {
return layout.Stack{Alignment: layout.Center}.Layout(gtx,
layout.Expanded(headerBg),
layout.Stacked(header))
}
}
func (t *Tracker) layoutInstrumentNames() layout.Widget {
return func(gtx C) D {
gtx.Constraints.Max.Y = gtx.Px(unit.Dp(36))

5
tracker/layout.go
View File

@ -22,6 +22,7 @@ var addIcon *widget.Icon
var loadIcon *widget.Icon
var saveIcon *widget.Icon
var clearIcon *widget.Icon
var deleteIcon *widget.Icon
func init() {
var err error
@ -49,6 +50,10 @@ func init() {
if err != nil {
log.Fatal(err)
}
deleteIcon, err = widget.NewIcon(icons.ActionDelete)
if err != nil {
log.Fatal(err)
}
}
func smallButton(icStyle material.IconButtonStyle) material.IconButtonStyle {

13
tracker/tracker.go
View File

@ -31,6 +31,7 @@ type Tracker struct {
BPM *NumberInput
NewTrackBtn *widget.Clickable
NewInstrumentBtn *widget.Clickable
DeleteInstrumentBtn *widget.Clickable
LoadSongFileBtn *widget.Clickable
NewSongFileBtn *widget.Clickable
AddSemitoneBtn *widget.Clickable
@ -210,6 +211,17 @@ func (t *Tracker) AddInstrument() {
t.sequencer.SetPatch(t.song.Patch)
}
func (t *Tracker) DeleteInstrument() {
if len(t.song.Patch.Instruments) <= 1 {
return
}
t.SaveUndo()
t.song.Patch.Instruments = append(t.song.Patch.Instruments[:t.CurrentInstrument], t.song.Patch.Instruments[t.CurrentInstrument+1:]...)
if t.CurrentInstrument >= len(t.song.Patch.Instruments) {
t.CurrentInstrument = len(t.song.Patch.Instruments) - 1
}
}
// SetCurrentNote sets the (note) value in current pattern under cursor to iv
func (t *Tracker) SetCurrentNote(iv byte) {
t.SaveUndo()
@ -318,6 +330,7 @@ func New(audioContext sointu.AudioContext) *Tracker {
SongLength: new(NumberInput),
NewTrackBtn: new(widget.Clickable),
NewInstrumentBtn: new(widget.Clickable),
DeleteInstrumentBtn: new(widget.Clickable),
NewSongFileBtn: new(widget.Clickable),
LoadSongFileBtn: new(widget.Clickable),
SaveSongFileBtn: new(widget.Clickable),