79 lines
2.0 KiB
Go
79 lines
2.0 KiB
Go
package main
|
|
|
|
import (
|
|
"fmt"
|
|
"os/exec"
|
|
"strconv"
|
|
"strings"
|
|
"time"
|
|
|
|
"gogs.bullercodeworks.com/brian/termbox-util"
|
|
|
|
"github.com/nsf/termbox-go"
|
|
)
|
|
|
|
type mainScreen struct {
|
|
initialized bool
|
|
tabIdx int
|
|
battStat *termboxUtil.ProgressBar
|
|
}
|
|
|
|
func (screen *mainScreen) handleKeyEvent(event termbox.Event) int {
|
|
if event.Type == termbox.EventKey {
|
|
if event.Key == termbox.KeyEsc {
|
|
return exitScreenIndex
|
|
} else if event.Ch == 'r' {
|
|
// Refresh data
|
|
screen.battStat.SetProgress(getBatteryPct())
|
|
} else if event.Ch == 'q' {
|
|
return exitScreenIndex
|
|
}
|
|
}
|
|
return mainScreenIndex
|
|
}
|
|
|
|
func (screen *mainScreen) performLayout(style style) {
|
|
if !screen.initialized {
|
|
w, _ := termbox.Size()
|
|
screen.battStat = termboxUtil.CreateProgressBar(100, w-14, 1, style.defaultFg, style.defaultBg)
|
|
screen.battStat.SetProgress(getBatteryPct())
|
|
}
|
|
}
|
|
|
|
func (screen *mainScreen) drawScreen(style style) {
|
|
w, h := termbox.Size()
|
|
termboxUtil.DrawStringAtPoint(time.Now().Format("15:04 MST"), 0, 0, style.defaultFg, style.defaultBg)
|
|
termboxUtil.DrawStringAtPoint(time.Now().Format("02 Jan 2006"), 0, 1, style.defaultFg, style.defaultBg)
|
|
screen.battStat.Draw()
|
|
termboxUtil.DrawStringAtPoint(fmt.Sprintf("% 3d%s", screen.battStat.GetPercent(), "%"),
|
|
screen.battStat.GetX()+screen.battStat.GetWidth(),
|
|
screen.battStat.GetY(), style.defaultFg, style.defaultBg)
|
|
quitTxt := "(q)uit"
|
|
termboxUtil.DrawStringAtPoint(quitTxt, (w - len(quitTxt)), h-1, style.defaultFg, style.defaultBg)
|
|
}
|
|
|
|
func getBatteryPct() int {
|
|
powerApp := "upower"
|
|
powerArg1 := "-i"
|
|
powerArg2 := "/org/freedesktop/UPower/devices/battery_BAT0"
|
|
cmd := exec.Command(powerApp, powerArg1, powerArg2)
|
|
stdout, err := cmd.Output()
|
|
if err != nil {
|
|
return -1
|
|
}
|
|
tst := string(stdout)
|
|
for _, k := range strings.Split(tst, "\n") {
|
|
pair := strings.Split(k, ":")
|
|
if len(pair) > 1 {
|
|
pair[0] = strings.Trim(pair[0], " ")
|
|
pair[1] = strings.Trim(pair[1], " %")
|
|
if pair[0] == "percentage" {
|
|
if pct, err := strconv.Atoi(pair[1]); err == nil {
|
|
return pct
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return -1
|
|
}
|