xmtop/widgets/temp.go
2018-02-24 21:35:57 -08:00

81 lines
1.6 KiB
Go

package widgets
// Temp is too customized to inherit from a generic widget so we create a customized one here.
// Temp defines its own Buffer method directly.
import (
"fmt"
"strings"
"time"
ui "github.com/cjbassi/gotop/termui"
ps "github.com/shirou/gopsutil/host"
)
type Temp struct {
*ui.Block
interval time.Duration
Data []int
DataLabels []string
Threshold int
TempLow ui.Color
TempHigh ui.Color
}
func NewTemp() *Temp {
t := &Temp{
Block: ui.NewBlock(),
interval: time.Second * 5,
Threshold: 80, // temp at which color should change to red
}
t.Label = "Temperatures"
go t.update()
ticker := time.NewTicker(t.interval)
go func() {
for range ticker.C {
t.update()
}
}()
return t
}
func (t *Temp) update() {
sensors, _ := ps.SensorsTemperatures()
temps := []int{}
labels := []string{}
for _, temp := range sensors {
// only sensors with input in their name are giving us live temp info
if strings.Contains(temp.SensorKey, "input") {
temps = append(temps, int(temp.Temperature))
// removes '_input' from the end of the sensor name
labels = append(labels, temp.SensorKey[:strings.Index(temp.SensorKey, "_input")])
}
}
t.Data = temps
t.DataLabels = labels
}
// Buffer implements ui.Bufferer interface.
func (t *Temp) Buffer() *ui.Buffer {
buf := t.Block.Buffer()
for y, text := range t.DataLabels {
if y+1 > t.Y {
break
}
fg := t.TempLow
if t.Data[y] >= t.Threshold {
fg = t.TempHigh
}
s := ui.MaxString(text, (t.X - 4))
buf.SetString(1, y+1, s, t.Fg, t.Bg)
buf.SetString(t.X-2, y+1, fmt.Sprintf("%dC", t.Data[y]), fg, t.Bg)
}
return buf
}