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feat(tracker): add buttons for increasing and decreasing song length

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vsariola
2021-01-11 21:19:27 +02:00
parent 8b666064b2
commit dcb0877c71
2 changed files with 55 additions and 20 deletions
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61
tracker/tracker.go
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@ -37,6 +37,8 @@ type Tracker struct {
NewTrackBtn *widget.Clickable
NewInstrumentBtn *widget.Clickable
LoadSongFileBtn *widget.Clickable
SongLengthUpBtn *widget.Clickable
SongLengthDownBtn *widget.Clickable
SaveSongFileBtn *widget.Clickable
ParameterSliders []*widget.Float
UnitBtns []*widget.Clickable
@ -253,28 +255,47 @@ func (t *Tracker) SetCurrentPattern(pat byte) {
t.song.Tracks[t.ActiveTrack].Sequence[t.DisplayPattern] = pat
}
func (t *Tracker) IncreaseSongLength() {
t.SaveUndo()
for i := range t.song.Tracks {
seq := t.song.Tracks[i].Sequence
t.song.Tracks[i].Sequence = append(seq, seq[len(seq)-1])
}
}
func (t *Tracker) DecreaseSongLength() {
t.SaveUndo()
for i := range t.song.Tracks {
if len(t.song.Tracks[i].Sequence) > 0 {
t.song.Tracks[i].Sequence = t.song.Tracks[i].Sequence[0 : len(t.song.Tracks[i].Sequence)-1]
}
}
}
func New(audioContext sointu.AudioContext) *Tracker {
t := &Tracker{
Theme: material.NewTheme(gofont.Collection()),
QuitButton: new(widget.Clickable),
CurrentOctave: 4,
audioContext: audioContext,
OctaveUpBtn: new(widget.Clickable),
OctaveDownBtn: new(widget.Clickable),
BPMUpBtn: new(widget.Clickable),
BPMDownBtn: new(widget.Clickable),
NewTrackBtn: new(widget.Clickable),
NewInstrumentBtn: new(widget.Clickable),
LoadSongFileBtn: new(widget.Clickable),
SaveSongFileBtn: new(widget.Clickable),
setPlaying: make(chan bool),
rowJump: make(chan int),
patternJump: make(chan int),
ticked: make(chan struct{}),
closer: make(chan struct{}),
undoStack: []sointu.Song{},
redoStack: []sointu.Song{},
InstrumentList: &layout.List{Axis: layout.Horizontal},
Theme: material.NewTheme(gofont.Collection()),
QuitButton: new(widget.Clickable),
CurrentOctave: 4,
audioContext: audioContext,
OctaveUpBtn: new(widget.Clickable),
OctaveDownBtn: new(widget.Clickable),
BPMUpBtn: new(widget.Clickable),
BPMDownBtn: new(widget.Clickable),
NewTrackBtn: new(widget.Clickable),
NewInstrumentBtn: new(widget.Clickable),
LoadSongFileBtn: new(widget.Clickable),
SaveSongFileBtn: new(widget.Clickable),
SongLengthUpBtn: new(widget.Clickable),
SongLengthDownBtn: new(widget.Clickable),
setPlaying: make(chan bool),
rowJump: make(chan int),
patternJump: make(chan int),
ticked: make(chan struct{}),
closer: make(chan struct{}),
undoStack: []sointu.Song{},
redoStack: []sointu.Song{},
InstrumentList: &layout.List{Axis: layout.Horizontal},
}
t.Theme.Color.Primary = primaryColor
t.Theme.Color.InvText = black