68 lines
1.1 KiB
Go
68 lines
1.1 KiB
Go
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package termui
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import tm "github.com/nsf/termbox-go"
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type container struct {
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//Height int
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//Width int
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BgColor Attribute
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Rows []Row
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}
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type Row []Col
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type Col struct {
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ColumnBufferer
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Offset int // 0 ~ 11
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Span int // 1 ~ 12
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Sticky bool
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}
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type ColumnBufferer interface {
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Bufferer
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GetHeight() int
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GetWidth() int
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SetWidth(int)
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SetX(int)
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SetY(int)
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}
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func NewRow(cols ...Col) Row {
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return cols
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}
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func NewCol(block ColumnBufferer, span, offset int, sticky bool) Col {
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return Col{ColumnBufferer: block, Span: span, Sticky: sticky, Offset: offset}
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}
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func (c container) Buffer() []Point {
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ps := []Point{}
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maxw, _ := tm.Size()
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y := 0
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for _, row := range c.Rows {
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x := 0
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maxHeight := 0
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for _, col := range row {
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if h := col.GetHeight(); h > maxHeight {
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maxHeight = h
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}
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w := int(float64(maxw*(col.Span+col.Offset)) / 12.0)
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if col.Sticky || col.GetWidth() > w {
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col.SetWidth(w)
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}
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col.SetY(y)
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col.SetX(x)
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ps = append(ps, col.Buffer()...)
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x += w + int(float64(maxw*col.Offset)/12)
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}
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y += maxHeight
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}
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return ps
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}
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var Body container
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