mirror of https://github.com/cjbassi/gotop.git
52 lines
967 B
Go
52 lines
967 B
Go
package termui
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import (
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"strconv"
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)
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// Gauge is a progress bar like widget.
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type Gauge struct {
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*Block
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Percent int
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GaugeColor Color
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Description string
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}
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// NewGauge return a new gauge with current theme.
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func NewGauge() *Gauge {
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return &Gauge{
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Block: NewBlock(),
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GaugeColor: Theme.GaugeColor,
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}
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}
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// Buffer implements Bufferer interface.
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func (self *Gauge) Buffer() *Buffer {
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buf := self.Block.Buffer()
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// plot bar
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width := self.Percent * self.X / 100
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for y := 1; y <= self.Y; y++ {
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for x := 1; x <= width; x++ {
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buf.SetCell(x, y, Cell{' ', self.GaugeColor, self.GaugeColor})
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}
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}
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// plot percentage
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s := strconv.Itoa(self.Percent) + "%" + self.Description
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s = MaxString(s, self.X)
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y := (self.Y + 1) / 2
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x := ((self.X - len(s)) + 1) / 2
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for i, char := range s {
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bg := self.Bg
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fg := self.Fg
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if x+i < width {
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fg = self.GaugeColor
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bg = AttrReverse
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}
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buf.SetCell(1+x+i, y, Cell{char, fg, bg})
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}
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return buf
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}
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