sointu/tracker/layout.go

53 lines
1.3 KiB
Go

package tracker
import (
"fmt"
"gioui.org/layout"
)
func (t *Tracker) Layout(gtx layout.Context) {
layout.Flex{Axis: layout.Vertical}.Layout(gtx,
layout.Rigid(t.layoutControls),
layout.Rigid(Lowered(t.layoutPatterns(
t.song.Tracks,
t.ActiveTrack,
t.DisplayPattern,
t.CursorColumn,
t.PlayPattern,
))),
layout.Flexed(1, Lowered(t.layoutTracker)),
)
}
func (t *Tracker) layoutTracker(gtx layout.Context) layout.Dimensions {
flexTracks := make([]layout.FlexChild, len(t.song.Tracks))
t.playRowPatMutex.RLock()
defer t.playRowPatMutex.RUnlock()
playRow := int(t.PlayRow)
if t.DisplayPattern != t.PlayPattern {
playRow = -1
}
for i, trk := range t.song.Tracks {
flexTracks[i] = layout.Rigid(Lowered(t.layoutTrack(
t.song.Patterns[trk.Sequence[t.DisplayPattern]],
t.ActiveTrack == i,
t.CursorRow,
t.CursorColumn,
playRow,
)))
}
return layout.Flex{Axis: layout.Horizontal}.Layout(gtx,
flexTracks...,
)
}
func (t *Tracker) layoutControls(gtx layout.Context) layout.Dimensions {
gtx.Constraints.Min.Y = 200
gtx.Constraints.Max.Y = 200
return layout.Stack{Alignment: layout.NW}.Layout(gtx,
layout.Expanded(t.QuitButton.Layout),
layout.Stacked(Raised(Label(fmt.Sprintf("Current octave: %v", t.CurrentOctave), white))),
)
}