57 lines
959 B
Go
57 lines
959 B
Go
package termui
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import "strconv"
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type Gauge struct {
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Block
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Percent int
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BarColor Attribute
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PercentColor Attribute
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}
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func NewGauge() *Gauge {
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g := &Gauge{Block: *NewBlock(), PercentColor: ColorWhite, BarColor: ColorGreen}
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g.Width = 12
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g.Height = 5
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return g
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}
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func (g *Gauge) Buffer() []Point {
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ps := g.Block.Buffer()
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w := g.Percent * g.innerWidth / 100
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s := strconv.Itoa(g.Percent) + "%"
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rs := str2runes(s)
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prx := g.innerX + g.innerWidth/2 - 1
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pry := g.innerY + g.innerHeight/2
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// plot bar
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for i := 0; i < g.innerHeight; i++ {
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for j := 0; j < w; j++ {
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p := Point{}
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p.X = g.innerX + j
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p.Y = g.innerY + i
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p.Ch = ' '
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p.Bg = g.BarColor
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ps = append(ps, p)
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}
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}
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// plot percentage
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for i, v := range rs {
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p := Point{}
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p.X = prx + i
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p.Y = pry
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p.Ch = v
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p.Fg = g.PercentColor
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if w > g.innerWidth/2-1+i {
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p.Bg = g.BarColor
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} else {
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p.Bg = g.Block.BgColor
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}
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ps = append(ps, p)
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}
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return ps
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}
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