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feat(tracker): highlight beats / every second beat in the tracker

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Closes #30
This commit is contained in:
vsariola
2021-02-16 22:42:32 +02:00
parent 2853509d1d
commit c3788e1a24
3 changed files with 13 additions and 7 deletions
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14
tracker/rowmarkers.go
View File

@ -18,7 +18,6 @@ const rowMarkerWidth = 50
func (t *Tracker) layoutRowMarkers(patternRows, sequenceLength, cursorRow, cursorPattern, cursorCol, playRow, playPattern int) layout.Widget {
return func(gtx layout.Context) layout.Dimensions {
gtx.Constraints.Min.X = rowMarkerWidth
gtx.Constraints.Max.X = rowMarkerWidth
paint.FillShape(gtx.Ops, rowMarkerSurfaceColor, clip.Rect{
Max: gtx.Constraints.Max,
}.Op())
@ -28,11 +27,20 @@ func (t *Tracker) layoutRowMarkers(patternRows, sequenceLength, cursorRow, curso
cursorSongRow := cursorPattern*patternRows + cursorRow
playSongRow := playPattern*patternRows + playRow
op.Offset(f32.Pt(0, (-1*trackRowHeight)*float32(cursorSongRow))).Add(gtx.Ops)
beatMarkerDensity := t.song.RowsPerBeat
for beatMarkerDensity <= 2 {
beatMarkerDensity *= 2
}
for i := 0; i < sequenceLength; i++ {
for j := 0; j < patternRows; j++ {
songRow := i*patternRows + j
if mod(songRow, beatMarkerDensity*2) == 0 {
paint.FillShape(gtx.Ops, twoBeatHighlight, clip.Rect{Max: image.Pt(gtx.Constraints.Max.X, trackRowHeight)}.Op())
} else if mod(songRow, beatMarkerDensity) == 0 {
paint.FillShape(gtx.Ops, oneBeatHighlight, clip.Rect{Max: image.Pt(gtx.Constraints.Max.X, trackRowHeight)}.Op())
}
if songRow == playSongRow {
paint.FillShape(gtx.Ops, trackerPlayColor, clip.Rect{Max: image.Pt(trackColWidth, trackRowHeight)}.Op())
paint.FillShape(gtx.Ops, trackerPlayColor, clip.Rect{Max: image.Pt(gtx.Constraints.Max.X, trackRowHeight)}.Op())
}
if j == 0 {
paint.ColorOp{Color: rowMarkerPatternTextColor}.Add(gtx.Ops)
@ -48,6 +56,6 @@ func (t *Tracker) layoutRowMarkers(patternRows, sequenceLength, cursorRow, curso
op.Offset(f32.Pt(-rowMarkerWidth/2, trackRowHeight)).Add(gtx.Ops)
}
}
return layout.Dimensions{Size: gtx.Constraints.Max}
return layout.Dimensions{Size: image.Pt(rowMarkerWidth, gtx.Constraints.Max.Y)}
}
}

2
tracker/theme.go
View File

@ -39,6 +39,8 @@ var trackerInactiveTextColor = highEmphasisTextColor
var trackerActiveTextColor = color.NRGBA{R: 255, G: 255, B: 130, A: 255}
var trackerPlayColor = color.NRGBA{R: 55, G: 55, B: 61, A: 255}
var trackerPatMarker = primaryColor
var oneBeatHighlight = color.NRGBA{R: 31, G: 37, B: 38, A: 255}
var twoBeatHighlight = color.NRGBA{R: 31, G: 51, B: 53, A: 255}
var patternPlayColor = color.NRGBA{R: 55, G: 55, B: 61, A: 255}
var patternTextColor = primaryColor

4
tracker/track.go
View File

@ -228,10 +228,6 @@ func (t *Tracker) layoutTracks(gtx C) D {
y2 *= trackRowHeight * t.song.RowsPerPattern
paint.FillShape(gtx.Ops, inactiveSelectionColor, clip.Rect{Min: image.Pt(x1, y1), Max: image.Pt(x2, y2)}.Op())
}
if t.Playing {
py := trackRowHeight * (t.PlayPosition.Pattern*t.song.RowsPerPattern + t.PlayPosition.Row)
paint.FillShape(gtx.Ops, trackerPlayColor, clip.Rect{Min: image.Pt(0, py), Max: image.Pt(gtx.Constraints.Max.X, py+trackRowHeight)}.Op())
}
if t.EditMode == EditTracks {
x1, y1 := t.Cursor.Track, t.Cursor.Pattern*t.song.RowsPerPattern+t.Cursor.Row
x2, y2 := t.SelectionCorner.Track, t.SelectionCorner.Pattern*t.song.RowsPerPattern+t.SelectionCorner.Row