mirror of
https://github.com/vsariola/sointu.git
synced 2025-05-28 03:10:24 -04:00
adcf3ebce8
send targets are now by ID and Song has "Score" part, which is the notes for it. also, moved the model part separate of the actual gioui dependend stuff. sorry to my future self about the code bomb; ended up too far and did not find an easy way to rewrite the history to make the steps smaller, so in the end, just squashed everything.
117 lines
2.7 KiB
Go
117 lines
2.7 KiB
Go
package gioui
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import (
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"image/color"
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"time"
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"gioui.org/f32"
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"gioui.org/layout"
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"gioui.org/op"
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"gioui.org/op/clip"
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"gioui.org/op/paint"
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"gioui.org/unit"
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)
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type Alert struct {
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message string
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alertType AlertType
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duration time.Duration
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showMessage string
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showAlertType AlertType
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showDuration time.Duration
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showTime time.Time
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pos float64
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lastUpdate time.Time
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}
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type AlertType int
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const (
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None AlertType = iota
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Notify
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Warning
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Error
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)
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var alertSpeed = 150 * time.Millisecond
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var alertMargin = layout.UniformInset(unit.Dp(6))
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var alertInset = layout.UniformInset(unit.Dp(6))
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func (a *Alert) Update(message string, alertType AlertType, duration time.Duration) {
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if a.alertType < alertType {
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a.message = message
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a.alertType = alertType
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a.duration = duration
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}
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}
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func (a *Alert) Layout(gtx C) D {
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now := time.Now()
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if a.alertType != None {
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a.showMessage = a.message
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a.showAlertType = a.alertType
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a.showTime = now
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a.showDuration = a.duration
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}
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a.alertType = None
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var targetPos float64 = 0.0
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if now.Sub(a.showTime) <= a.showDuration {
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targetPos = 1.0
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}
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delta := float64(now.Sub(a.lastUpdate)) / float64(alertSpeed)
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if a.pos < targetPos {
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a.pos += delta
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if a.pos > targetPos {
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a.pos = targetPos
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} else {
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op.InvalidateOp{At: now.Add(50 * time.Millisecond)}.Add(gtx.Ops)
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}
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} else if a.pos > targetPos {
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a.pos -= delta
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if a.pos < targetPos {
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a.pos = targetPos
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} else {
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op.InvalidateOp{At: now.Add(50 * time.Millisecond)}.Add(gtx.Ops)
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}
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}
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a.lastUpdate = now
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var color, textColor, shadeColor color.NRGBA
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switch a.showAlertType {
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case Warning:
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color = warningColor
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textColor = black
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case Error:
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color = errorColor
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textColor = black
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default:
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color = popupSurfaceColor
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textColor = white
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shadeColor = black
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}
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bgWidget := func(gtx C) D {
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paint.FillShape(gtx.Ops, color, clip.Rect{
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Max: gtx.Constraints.Min,
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}.Op())
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return D{Size: gtx.Constraints.Min}
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}
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labelStyle := LabelStyle{Text: a.showMessage, Color: textColor, ShadeColor: shadeColor, Font: labelDefaultFont, Alignment: layout.Center, FontSize: unit.Dp(16)}
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return alertMargin.Layout(gtx, func(gtx C) D {
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return layout.S.Layout(gtx, func(gtx C) D {
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defer op.Save(gtx.Ops).Load()
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gtx.Constraints.Min.X = gtx.Constraints.Max.X
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recording := op.Record(gtx.Ops)
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dims := layout.Stack{Alignment: layout.Center}.Layout(gtx,
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layout.Expanded(bgWidget),
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layout.Stacked(func(gtx C) D {
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return alertInset.Layout(gtx, labelStyle.Layout)
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}),
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)
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macro := recording.Stop()
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totalY := dims.Size.Y + gtx.Px(alertMargin.Bottom)
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op.Offset(f32.Pt(0, float32((1-a.pos)*float64(totalY)))).Add((gtx.Ops))
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macro.Add(gtx.Ops)
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return dims
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})
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})
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}
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