sointu/tracker/layout.go

67 lines
1.6 KiB
Go

package tracker
import (
"image"
"gioui.org/layout"
"gioui.org/op/clip"
"gioui.org/op/paint"
"gioui.org/unit"
"gioui.org/widget"
"gioui.org/widget/material"
)
func smallButton(icStyle material.IconButtonStyle) material.IconButtonStyle {
icStyle.Size = unit.Dp(14)
icStyle.Inset = layout.UniformInset(unit.Dp(1))
return icStyle
}
func enableButton(icStyle material.IconButtonStyle, enabled bool) material.IconButtonStyle {
if !enabled {
icStyle.Background = disabledContainerColor
icStyle.Color = disabledTextColor
}
return icStyle
}
func trackButton(t *material.Theme, w *widget.Clickable, text string, enabled bool) material.ButtonStyle {
ret := material.Button(t, w, text)
if !enabled {
ret.Background = disabledContainerColor
ret.Color = disabledTextColor
}
return ret
}
func (t *Tracker) Layout(gtx layout.Context) {
paint.FillShape(gtx.Ops, backgroundColor, clip.Rect(image.Rect(0, 0, gtx.Constraints.Max.X, gtx.Constraints.Max.Y)).Op())
t.VerticalSplit.Layout(gtx,
t.layoutTop,
t.layoutBottom)
t.updateInstrumentScroll()
}
func (t *Tracker) layoutBottom(gtx layout.Context) layout.Dimensions {
return t.BottomHorizontalSplit.Layout(gtx,
func(gtx C) D {
return Surface{Gray: 24, Focus: t.EditMode == 0}.Layout(gtx, t.layoutPatterns)
},
func(gtx C) D {
return Surface{Gray: 24, Focus: t.EditMode == 1}.Layout(gtx, t.layoutTracker)
},
)
}
func (t *Tracker) layoutTop(gtx layout.Context) layout.Dimensions {
for t.NewInstrumentBtn.Clicked() {
t.AddInstrument()
}
return t.TopHorizontalSplit.Layout(gtx,
t.layoutSongPanel,
t.layoutInstruments,
)
}