mirror of
https://github.com/vsariola/sointu.git
synced 2025-07-21 22:44:50 -04:00
refactor(tracker/gioui): bind tracker.Int to NumericUpDown on Layout
This commit is contained in:
5684185+vsariola@users.noreply.github.com
parent
289bfb0605
commit
beef8fe1e0
@ -19,8 +19,8 @@ type (
|
||||
OscilloscopeState struct {
|
||||
onceBtn *BoolClickable
|
||||
wrapBtn *BoolClickable
|
||||
lengthInBeatsNumber *NumberInput
|
||||
triggerChannelNumber *NumberInput
|
||||
lengthInBeatsNumber *NumericUpDown
|
||||
triggerChannelNumber *NumericUpDown
|
||||
xScale int
|
||||
xOffset float32
|
||||
yScale float64
|
||||
@ -34,98 +34,89 @@ type (
|
||||
LimitColor color.NRGBA `yaml:",flow"`
|
||||
CursorColor color.NRGBA `yaml:",flow"`
|
||||
}
|
||||
|
||||
Oscilloscope struct {
|
||||
State *OscilloscopeState
|
||||
Wave tracker.RingBuffer[[2]float32]
|
||||
Theme *Theme
|
||||
OscilloscopeStyle
|
||||
}
|
||||
)
|
||||
|
||||
func NewOscilloscope(model *tracker.Model) *OscilloscopeState {
|
||||
return &OscilloscopeState{
|
||||
onceBtn: NewBoolClickable(model.SignalAnalyzer().Once()),
|
||||
wrapBtn: NewBoolClickable(model.SignalAnalyzer().Wrap()),
|
||||
lengthInBeatsNumber: NewNumberInput(model.SignalAnalyzer().LengthInBeats()),
|
||||
triggerChannelNumber: NewNumberInput(model.SignalAnalyzer().TriggerChannel()),
|
||||
lengthInBeatsNumber: NewNumericUpDown(),
|
||||
triggerChannelNumber: NewNumericUpDown(),
|
||||
}
|
||||
}
|
||||
|
||||
func Scope(s *OscilloscopeState, wave tracker.RingBuffer[[2]float32], th *Theme) *Oscilloscope {
|
||||
return &Oscilloscope{State: s, Wave: wave, Theme: th}
|
||||
}
|
||||
|
||||
func (s *Oscilloscope) Layout(gtx C) D {
|
||||
wrapBtnStyle := ToggleButton(gtx, s.Theme, s.State.wrapBtn, "Wrap")
|
||||
onceBtnStyle := ToggleButton(gtx, s.Theme, s.State.onceBtn, "Once")
|
||||
triggerChannelStyle := NumUpDown(s.Theme, s.State.triggerChannelNumber, "Trigger channel")
|
||||
lengthNumberStyle := NumUpDown(s.Theme, s.State.lengthInBeatsNumber, "Buffer length in beats")
|
||||
func (s *OscilloscopeState) Layout(gtx C, vtrig, vlen tracker.Int, wave tracker.RingBuffer[[2]float32], th *Theme, st *OscilloscopeStyle) D {
|
||||
wrapBtnStyle := ToggleButton(gtx, th, s.wrapBtn, "Wrap")
|
||||
onceBtnStyle := ToggleButton(gtx, th, s.onceBtn, "Once")
|
||||
|
||||
leftSpacer := layout.Spacer{Width: unit.Dp(6), Height: unit.Dp(24)}.Layout
|
||||
rightSpacer := layout.Spacer{Width: unit.Dp(6)}.Layout
|
||||
|
||||
return layout.Flex{Axis: layout.Vertical}.Layout(gtx,
|
||||
layout.Flexed(1, func(gtx C) D { return s.layoutWave(gtx) }),
|
||||
layout.Flexed(1, func(gtx C) D { return s.layoutWave(gtx, wave, th) }),
|
||||
layout.Rigid(func(gtx C) D {
|
||||
return layout.Flex{Axis: layout.Horizontal, Alignment: layout.Middle}.Layout(gtx,
|
||||
layout.Rigid(leftSpacer),
|
||||
layout.Rigid(Label(s.Theme, &s.Theme.SongPanel.RowHeader, "Trigger").Layout),
|
||||
layout.Rigid(Label(th, &th.SongPanel.RowHeader, "Trigger").Layout),
|
||||
layout.Flexed(1, func(gtx C) D { return D{Size: gtx.Constraints.Min} }),
|
||||
layout.Rigid(onceBtnStyle.Layout),
|
||||
layout.Rigid(triggerChannelStyle.Layout),
|
||||
layout.Rigid(func(gtx C) D {
|
||||
return s.triggerChannelNumber.Layout(gtx, vtrig, th, &th.NumericUpDown, "Trigger channel")
|
||||
}),
|
||||
layout.Rigid(rightSpacer),
|
||||
)
|
||||
}),
|
||||
layout.Rigid(func(gtx C) D {
|
||||
return layout.Flex{Axis: layout.Horizontal, Alignment: layout.Middle}.Layout(gtx,
|
||||
layout.Rigid(leftSpacer),
|
||||
layout.Rigid(Label(s.Theme, &s.Theme.SongPanel.RowHeader, "Buffer").Layout),
|
||||
layout.Rigid(Label(th, &th.SongPanel.RowHeader, "Buffer").Layout),
|
||||
layout.Flexed(1, func(gtx C) D { return D{Size: gtx.Constraints.Min} }),
|
||||
layout.Rigid(wrapBtnStyle.Layout),
|
||||
layout.Rigid(lengthNumberStyle.Layout),
|
||||
layout.Rigid(func(gtx C) D {
|
||||
return s.lengthInBeatsNumber.Layout(gtx, vlen, th, &th.NumericUpDown, "Buffer length in beats")
|
||||
}),
|
||||
layout.Rigid(rightSpacer),
|
||||
)
|
||||
}),
|
||||
)
|
||||
}
|
||||
|
||||
func (s *Oscilloscope) layoutWave(gtx C) D {
|
||||
s.update(gtx)
|
||||
func (s *OscilloscopeState) layoutWave(gtx C, wave tracker.RingBuffer[[2]float32], th *Theme) D {
|
||||
s.update(gtx, wave)
|
||||
if gtx.Constraints.Max.X == 0 || gtx.Constraints.Max.Y == 0 {
|
||||
return D{}
|
||||
}
|
||||
defer clip.Rect(image.Rectangle{Max: gtx.Constraints.Max}).Push(gtx.Ops).Pop()
|
||||
event.Op(gtx.Ops, s.State)
|
||||
paint.ColorOp{Color: s.Theme.Oscilloscope.CursorColor}.Add(gtx.Ops)
|
||||
cursorX := int(s.sampleToPx(gtx, float32(s.Wave.Cursor)))
|
||||
event.Op(gtx.Ops, s)
|
||||
paint.ColorOp{Color: th.Oscilloscope.CursorColor}.Add(gtx.Ops)
|
||||
cursorX := int(s.sampleToPx(gtx, float32(wave.Cursor), wave))
|
||||
fillRect(gtx, clip.Rect{Min: image.Pt(cursorX, 0), Max: image.Pt(cursorX+1, gtx.Constraints.Max.Y)})
|
||||
paint.ColorOp{Color: s.Theme.Oscilloscope.LimitColor}.Add(gtx.Ops)
|
||||
paint.ColorOp{Color: th.Oscilloscope.LimitColor}.Add(gtx.Ops)
|
||||
minusOneY := int(s.ampToY(gtx, -1))
|
||||
fillRect(gtx, clip.Rect{Min: image.Pt(0, minusOneY), Max: image.Pt(gtx.Constraints.Max.X, minusOneY+1)})
|
||||
plusOneY := int(s.ampToY(gtx, 1))
|
||||
fillRect(gtx, clip.Rect{Min: image.Pt(0, plusOneY), Max: image.Pt(gtx.Constraints.Max.X, plusOneY+1)})
|
||||
leftX := int(s.sampleToPx(gtx, 0))
|
||||
leftX := int(s.sampleToPx(gtx, 0, wave))
|
||||
fillRect(gtx, clip.Rect{Min: image.Pt(leftX, 0), Max: image.Pt(leftX+1, gtx.Constraints.Max.Y)})
|
||||
rightX := int(s.sampleToPx(gtx, float32(len(s.Wave.Buffer)-1)))
|
||||
rightX := int(s.sampleToPx(gtx, float32(len(wave.Buffer)-1), wave))
|
||||
fillRect(gtx, clip.Rect{Min: image.Pt(rightX, 0), Max: image.Pt(rightX+1, gtx.Constraints.Max.Y)})
|
||||
for chn := range 2 {
|
||||
paint.ColorOp{Color: s.Theme.Oscilloscope.CurveColors[chn]}.Add(gtx.Ops)
|
||||
paint.ColorOp{Color: th.Oscilloscope.CurveColors[chn]}.Add(gtx.Ops)
|
||||
for px := range gtx.Constraints.Max.X {
|
||||
// left and right is the sample range covered by the pixel
|
||||
left := int(s.pxToSample(gtx, float32(px)-0.5))
|
||||
right := int(s.pxToSample(gtx, float32(px)+0.5))
|
||||
if right < 0 || left >= len(s.Wave.Buffer) {
|
||||
left := int(s.pxToSample(gtx, float32(px)-0.5, wave))
|
||||
right := int(s.pxToSample(gtx, float32(px)+0.5, wave))
|
||||
if right < 0 || left >= len(wave.Buffer) {
|
||||
continue
|
||||
}
|
||||
right = min(right, len(s.Wave.Buffer)-1)
|
||||
right = min(right, len(wave.Buffer)-1)
|
||||
left = max(left, 0)
|
||||
// smin and smax are the smallest and largest sample values in the pixel range
|
||||
smax := float32(math.Inf(-1))
|
||||
smin := float32(math.Inf(1))
|
||||
for x := left; x <= right; x++ {
|
||||
smax = max(smax, s.Wave.Buffer[x][chn])
|
||||
smin = min(smin, s.Wave.Buffer[x][chn])
|
||||
smax = max(smax, wave.Buffer[x][chn])
|
||||
smin = min(smin, wave.Buffer[x][chn])
|
||||
}
|
||||
// y1 and y2 are the pixel range covered by the sample value
|
||||
y1 := min(max(int(s.ampToY(gtx, smax)+0.5), 0), gtx.Constraints.Max.Y-1)
|
||||
@ -142,10 +133,10 @@ func fillRect(gtx C, rect clip.Rect) {
|
||||
stack.Pop()
|
||||
}
|
||||
|
||||
func (o *Oscilloscope) update(gtx C) {
|
||||
func (o *OscilloscopeState) update(gtx C, wave tracker.RingBuffer[[2]float32]) {
|
||||
for {
|
||||
ev, ok := gtx.Event(pointer.Filter{
|
||||
Target: o.State,
|
||||
Target: o,
|
||||
Kinds: pointer.Scroll | pointer.Press | pointer.Drag | pointer.Release | pointer.Cancel,
|
||||
ScrollY: pointer.ScrollRange{Min: -1e6, Max: 1e6},
|
||||
})
|
||||
@ -155,59 +146,59 @@ func (o *Oscilloscope) update(gtx C) {
|
||||
if e, ok := ev.(pointer.Event); ok {
|
||||
switch e.Kind {
|
||||
case pointer.Scroll:
|
||||
s1 := o.pxToSample(gtx, e.Position.X)
|
||||
o.State.xScale += min(max(-1, int(e.Scroll.Y)), 1)
|
||||
s2 := o.pxToSample(gtx, e.Position.X)
|
||||
o.State.xOffset -= s1 - s2
|
||||
s1 := o.pxToSample(gtx, e.Position.X, wave)
|
||||
o.xScale += min(max(-1, int(e.Scroll.Y)), 1)
|
||||
s2 := o.pxToSample(gtx, e.Position.X, wave)
|
||||
o.xOffset -= s1 - s2
|
||||
case pointer.Press:
|
||||
if e.Buttons&pointer.ButtonSecondary != 0 {
|
||||
o.State.xOffset = 0
|
||||
o.State.xScale = 0
|
||||
o.State.yScale = 0
|
||||
o.xOffset = 0
|
||||
o.xScale = 0
|
||||
o.yScale = 0
|
||||
}
|
||||
if e.Buttons&pointer.ButtonPrimary != 0 {
|
||||
o.State.dragging = true
|
||||
o.State.dragId = e.PointerID
|
||||
o.State.dragStartPoint = e.Position
|
||||
o.dragging = true
|
||||
o.dragId = e.PointerID
|
||||
o.dragStartPoint = e.Position
|
||||
}
|
||||
case pointer.Drag:
|
||||
if e.Buttons&pointer.ButtonPrimary != 0 && o.State.dragging && e.PointerID == o.State.dragId {
|
||||
deltaX := o.pxToSample(gtx, e.Position.X) - o.pxToSample(gtx, o.State.dragStartPoint.X)
|
||||
o.State.xOffset += deltaX
|
||||
if e.Buttons&pointer.ButtonPrimary != 0 && o.dragging && e.PointerID == o.dragId {
|
||||
deltaX := o.pxToSample(gtx, e.Position.X, wave) - o.pxToSample(gtx, o.dragStartPoint.X, wave)
|
||||
o.xOffset += deltaX
|
||||
num := o.yToAmp(gtx, e.Position.Y)
|
||||
den := o.yToAmp(gtx, o.State.dragStartPoint.Y)
|
||||
den := o.yToAmp(gtx, o.dragStartPoint.Y)
|
||||
if l := math.Abs(float64(num / den)); l > 1e-3 && l < 1e3 {
|
||||
o.State.yScale += math.Log(l)
|
||||
o.State.yScale = min(max(o.State.yScale, -1e3), 1e3)
|
||||
o.yScale += math.Log(l)
|
||||
o.yScale = min(max(o.yScale, -1e3), 1e3)
|
||||
}
|
||||
o.State.dragStartPoint = e.Position
|
||||
o.dragStartPoint = e.Position
|
||||
|
||||
}
|
||||
case pointer.Release | pointer.Cancel:
|
||||
o.State.dragging = false
|
||||
o.dragging = false
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func (o *Oscilloscope) scaleFactor() float32 {
|
||||
return float32(math.Pow(1.1, float64(o.State.xScale)))
|
||||
func (o *OscilloscopeState) scaleFactor() float32 {
|
||||
return float32(math.Pow(1.1, float64(o.xScale)))
|
||||
}
|
||||
|
||||
func (s *Oscilloscope) pxToSample(gtx C, px float32) float32 {
|
||||
return px*s.scaleFactor()*float32(len(s.Wave.Buffer))/float32(gtx.Constraints.Max.X) - s.State.xOffset
|
||||
func (s *OscilloscopeState) pxToSample(gtx C, px float32, wave tracker.RingBuffer[[2]float32]) float32 {
|
||||
return px*s.scaleFactor()*float32(len(wave.Buffer))/float32(gtx.Constraints.Max.X) - s.xOffset
|
||||
}
|
||||
|
||||
func (s *Oscilloscope) sampleToPx(gtx C, sample float32) float32 {
|
||||
return (sample + s.State.xOffset) * float32(gtx.Constraints.Max.X) / float32(len(s.Wave.Buffer)) / s.scaleFactor()
|
||||
func (s *OscilloscopeState) sampleToPx(gtx C, sample float32, wave tracker.RingBuffer[[2]float32]) float32 {
|
||||
return (sample + s.xOffset) * float32(gtx.Constraints.Max.X) / float32(len(wave.Buffer)) / s.scaleFactor()
|
||||
}
|
||||
|
||||
func (s *Oscilloscope) ampToY(gtx C, amp float32) float32 {
|
||||
scale := float32(math.Exp(s.State.yScale))
|
||||
func (s *OscilloscopeState) ampToY(gtx C, amp float32) float32 {
|
||||
scale := float32(math.Exp(s.yScale))
|
||||
return (1 - amp*scale) / 2 * float32(gtx.Constraints.Max.Y-1)
|
||||
}
|
||||
|
||||
func (s *Oscilloscope) yToAmp(gtx C, y float32) float32 {
|
||||
scale := float32(math.Exp(s.State.yScale))
|
||||
func (s *OscilloscopeState) yToAmp(gtx C, y float32) float32 {
|
||||
scale := float32(math.Exp(s.yScale))
|
||||
return (1 - y/float32(gtx.Constraints.Max.Y-1)*2) / scale
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user