Added support for label align in gauges.

This commit is contained in:
Matteo Kloiber 2015-04-21 17:41:52 +02:00
parent 3968b02432
commit 137d2a7eb2
4 changed files with 29 additions and 4 deletions

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@ -1,4 +1,4 @@
# termui [![Build Status](https://travis-ci.org/gizak/termui.svg)](https://travis-ci.org/gizak/termui) [![Doc Status](https://godoc.org/github.com/gizak/termui?status.png)](https://godoc.org/github.com/gizak/termui)
# termui [![Build Status](https://travis-ci.org/gizak/termui.svg?branch=master)](https://travis-ci.org/gizak/termui) [![Doc Status](https://godoc.org/github.com/gizak/termui?status.png)](https://godoc.org/github.com/gizak/termui)
---

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@ -54,6 +54,7 @@ func main() {
g3.Y = 11
g3.Border.Label = "Gauge with custom label"
g3.Label = "{{percent}}% (100MBs free)"
g3.Align = termui.AlignRight
termui.Render(g0, g1, g2, g3)

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@ -20,12 +20,24 @@ import (
g.BarColor = termui.ColorRed
g.PercentColor = termui.ColorBlue
*/
// Align is the position of the gauge's label.
type Align int
// All supported positions.
const (
AlignLeft Align = iota
AlignCenter
AlignRight
)
type Gauge struct {
Block
Percent int
BarColor Attribute
PercentColor Attribute
Label string
Align Align
}
// NewGauge return a new gauge with current theme.
@ -35,6 +47,7 @@ func NewGauge() *Gauge {
PercentColor: theme.GaugePercent,
BarColor: theme.GaugeBar,
Label: "{{percent}}%",
Align: AlignCenter,
}
g.Width = 12
@ -64,16 +77,27 @@ func (g *Gauge) Buffer() []Point {
// plot percentage
s := strings.Replace(g.Label, "{{percent}}", strconv.Itoa(g.Percent), -1)
prx := g.innerX + (g.innerWidth-strWidth(s))/2
pry := g.innerY + g.innerHeight/2
rs := str2runes(s)
var pos int
switch g.Align {
case AlignLeft:
pos = 0
case AlignCenter:
pos = (g.innerWidth - strWidth(s)) / 2
case AlignRight:
pos = g.innerWidth - strWidth(s)
}
for i, v := range rs {
p := Point{}
p.X = prx + i
p.X = 1 + pos + i
p.Y = pry
p.Ch = v
p.Fg = g.PercentColor
if w > (g.innerWidth-strWidth(s))/2+i {
if w > pos+i {
p.Bg = g.BarColor
if p.Bg == ColorDefault {
p.Bg |= AttrReverse