mirror of
https://github.com/vsariola/sointu.git
synced 2025-06-03 00:58:26 -04:00
93 lines
3.1 KiB
Go
93 lines
3.1 KiB
Go
package gioui
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import (
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"fmt"
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"image"
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"strings"
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"gioui.org/f32"
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"gioui.org/io/pointer"
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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/text"
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"gioui.org/widget"
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"github.com/vsariola/sointu/tracker"
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)
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const patternCellHeight = 16
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const patternCellWidth = 16
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const patternRowMarkerWidth = 30
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var patternPointerTag = false
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func (t *Tracker) layoutPatterns(gtx C) D {
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defer op.Save(gtx.Ops).Load()
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clip.Rect{Max: gtx.Constraints.Max}.Add(gtx.Ops)
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for _, ev := range gtx.Events(&patternPointerTag) {
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e, ok := ev.(pointer.Event)
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if !ok {
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continue
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}
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if e.Type == pointer.Press {
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t.SetEditMode(tracker.EditPatterns)
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}
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}
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rect := image.Rect(0, 0, gtx.Constraints.Max.X, gtx.Constraints.Max.Y)
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pointer.Rect(rect).Add(gtx.Ops)
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pointer.InputOp{Tag: &patternPointerTag,
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Types: pointer.Press,
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}.Add(gtx.Ops)
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patternRect := tracker.SongRect{
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Corner1: tracker.SongPoint{SongRow: tracker.SongRow{Pattern: t.Cursor().Pattern}, Track: t.Cursor().Track},
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Corner2: tracker.SongPoint{SongRow: tracker.SongRow{Pattern: t.SelectionCorner().Pattern}, Track: t.SelectionCorner().Track},
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}
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for j := 0; j < t.Song().Score.Length; j++ {
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if playPos, ok := t.player.Position(); ok && j == playPos.Pattern {
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paint.FillShape(gtx.Ops, patternPlayColor, clip.Rect{Max: image.Pt(gtx.Constraints.Max.X, patternCellHeight)}.Op())
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}
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paint.ColorOp{Color: rowMarkerPatternTextColor}.Add(gtx.Ops)
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widget.Label{}.Layout(gtx, textShaper, trackerFont, trackerFontSize, strings.ToUpper(fmt.Sprintf("%02x", j)))
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stack := op.Save(gtx.Ops)
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op.Offset(f32.Pt(patternRowMarkerWidth, 0)).Add(gtx.Ops)
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for i, track := range t.Song().Score.Tracks {
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paint.FillShape(gtx.Ops, patternCellColor, clip.Rect{Min: image.Pt(1, 1), Max: image.Pt(patternCellWidth-1, patternCellHeight-1)}.Op())
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paint.ColorOp{Color: patternTextColor}.Add(gtx.Ops)
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if j < len(track.Order) && track.Order[j] >= 0 {
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gtx := gtx
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gtx.Constraints.Max.X = patternCellWidth
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op.Offset(f32.Pt(0, -2)).Add(gtx.Ops)
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widget.Label{Alignment: text.Middle}.Layout(gtx, textShaper, trackerFont, trackerFontSize, patternIndexToString(track.Order[j]))
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op.Offset(f32.Pt(0, 2)).Add(gtx.Ops)
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}
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point := tracker.SongPoint{Track: i, SongRow: tracker.SongRow{Pattern: j}}
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if t.EditMode() == tracker.EditPatterns || t.EditMode() == tracker.EditTracks {
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if patternRect.Contains(point) {
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color := inactiveSelectionColor
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if t.EditMode() == tracker.EditPatterns {
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color = selectionColor
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if point.Pattern == t.Cursor().Pattern && point.Track == t.Cursor().Track {
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color = cursorColor
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}
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}
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paint.FillShape(gtx.Ops, color, clip.Rect{Max: image.Pt(patternCellWidth, patternCellHeight)}.Op())
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}
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}
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op.Offset(f32.Pt(patternCellWidth, 0)).Add(gtx.Ops)
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}
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stack.Load()
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op.Offset(f32.Pt(0, patternCellHeight)).Add(gtx.Ops)
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}
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return layout.Dimensions{Size: gtx.Constraints.Max}
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}
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func patternIndexToString(index int) string {
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if index < 0 {
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return ""
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} else if index < 10 {
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return string('0' + byte(index))
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}
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return string('A' + byte(index-10))
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}
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