drafting

tracker/gioui/instrument_properties.go

@@ -0,0 +1,101 @@
+package gioui
+
+import (
+	"image"
+	"image/color"
+
+	"gioui.org/layout"
+	"gioui.org/op/clip"
+	"gioui.org/op/paint"
+	"gioui.org/text"
+	"gioui.org/unit"
+	"golang.org/x/exp/shiny/materialdesign/icons"
+)
+
+type (
+	InstrumentProperties struct {
+		commentEditor       *Editor
+		list                *layout.List
+		soloBtn             *Clickable
+		muteBtn             *Clickable
+		soloHint            string
+		unsoloHint          string
+		muteHint            string
+		unmuteHint          string
+		voices              *NumericUpDownState
+		splitInstrumentBtn  *Clickable
+		splitInstrumentHint string
+	}
+)
+
+func NewInstrumentProperties() *InstrumentProperties {
+	ret := &InstrumentProperties{
+		list:               &layout.List{Axis: layout.Vertical},
+		commentEditor:      NewEditor(false, false, text.Start),
+		soloBtn:            new(Clickable),
+		muteBtn:            new(Clickable),
+		voices:             NewNumericUpDownState(),
+		splitInstrumentBtn: new(Clickable),
+	}
+	ret.soloHint = makeHint("Solo", " (%s)", "SoloInstrument")
+	ret.unsoloHint = makeHint("Unsolo", " (%s)", "SoloInstrument")
+	ret.muteHint = makeHint("Mute", " (%s)", "MuteInstrument")
+	ret.unmuteHint = makeHint("Unmute", " (%s)", "MuteInstrument")
+	ret.splitInstrumentHint = makeHint("Split instrument", " (%s)", "SplitInstrument")
+	return ret
+}
+
+// update
+func (ip *InstrumentProperties) update(gtx C, tr *Tracker) {
+	/*for ip.commentEditor.Update(gtx, tr.InstrumentComment()) != EditorEventNone {
+		tr.PatchPanel.instrList.instrumentDragList.Focus()
+	}*/
+}
+
+// layout
+func (ip *InstrumentProperties) layout(gtx C) D {
+	// get tracker from values
+	tr := TrackerFromContext(gtx)
+	voiceLine := func(gtx C) D {
+		splitInstrumentBtn := ActionIconBtn(tr.SplitInstrument(), tr.Theme, ip.splitInstrumentBtn, icons.CommunicationCallSplit, ip.splitInstrumentHint)
+		return layout.Flex{Axis: layout.Horizontal, Alignment: layout.Middle}.Layout(gtx,
+			layout.Rigid(func(gtx C) D {
+				instrumentVoices := NumUpDown(tr.Model.InstrumentVoices(), tr.Theme, ip.voices, "Number of voices for this instrument")
+				return instrumentVoices.Layout(gtx)
+			}),
+			layout.Rigid(splitInstrumentBtn.Layout),
+		)
+	}
+	return ip.list.Layout(gtx, 7, func(gtx C, index int) D {
+		switch index {
+		case 0:
+			return layoutInstrumentPropertyLine(gtx, "Voices", voiceLine)
+		case 2:
+			muteBtn := ToggleIconBtn(tr.Mute(), tr.Theme, ip.muteBtn, icons.ToggleCheckBoxOutlineBlank, icons.ToggleCheckBox, ip.muteHint, ip.unmuteHint)
+			return layoutInstrumentPropertyLine(gtx, "Mute", muteBtn.Layout)
+		case 4:
+			soloBtn := ToggleIconBtn(tr.Solo(), tr.Theme, ip.soloBtn, icons.ToggleCheckBoxOutlineBlank, icons.ToggleCheckBox, ip.soloHint, ip.unsoloHint)
+			return layoutInstrumentPropertyLine(gtx, "Solo", soloBtn.Layout)
+		case 6:
+			return layout.UniformInset(unit.Dp(6)).Layout(gtx, func(gtx C) D {
+				return ip.commentEditor.Layout(gtx, tr.InstrumentComment(), tr.Theme, &tr.Theme.InstrumentEditor.InstrumentComment, "Comment")
+			})
+		default: // odd valued list items are dividers
+			px := max(gtx.Dp(unit.Dp(1)), 1)
+			paint.FillShape(gtx.Ops, color.NRGBA{255, 255, 255, 3}, clip.Rect(image.Rect(0, 0, gtx.Constraints.Max.X, px)).Op())
+			return D{Size: image.Pt(gtx.Constraints.Max.X, px)}
+		}
+	})
+}
+
+func layoutInstrumentPropertyLine(gtx C, text string, content layout.Widget) D {
+	tr := TrackerFromContext(gtx)
+	gtx.Constraints.Max.X = min(gtx.Dp(unit.Dp(200)), gtx.Constraints.Max.X)
+	label := Label(tr.Theme, &tr.Theme.InstrumentEditor.Properties.Label, text)
+	return layout.Flex{Axis: layout.Horizontal, Alignment: layout.Middle}.Layout(gtx,
+		layout.Rigid(layout.Spacer{Width: 6}.Layout),
+		layout.Rigid(label.Layout),
+		layout.Flexed(1, func(gtx C) D { return layout.Dimensions{Size: gtx.Constraints.Min} }),
+		layout.Rigid(content),
+	)
+}