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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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13
tracker/tracker.go
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@ -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),