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|
package widgets
import (
"fmt"
"image"
"sort"
"strings"
"time"
"github.com/VictoriaMetrics/metrics"
ui "github.com/gizak/termui/v3"
"github.com/xxxserxxx/gotop/v4/devices"
"github.com/xxxserxxx/gotop/v4/utils"
)
type TempScale rune
const (
Celsius TempScale = 'C'
Fahrenheit = 'F'
)
type TempWidget struct {
*ui.Block // inherits from Block instead of a premade Widget
updateInterval time.Duration
Data map[string]int
TempThreshold int
TempLowColor ui.Color
TempHighColor ui.Color
TempScale TempScale
temps map[string]float64
keys ordered
}
func NewTempWidget(tempScale TempScale, filter []string) *TempWidget {
self := &TempWidget{
Block: ui.NewBlock(),
updateInterval: time.Second * 5,
Data: make(map[string]int),
TempThreshold: 80,
TempScale: tempScale,
}
self.Title = tr.Value("widget.label.temp")
if len(filter) > 0 {
for _, t := range filter {
self.Data[t] = 0
}
} else {
for _, t := range devices.Devices(devices.Temperatures, false) {
self.Data[t] = 0
}
}
if tempScale == Fahrenheit {
self.TempThreshold = utils.CelsiusToFahrenheit(self.TempThreshold)
}
self.update()
go func() {
for range time.NewTicker(self.updateInterval).C {
self.Lock()
self.update()
self.Unlock()
}
}()
return self
}
func (temp *TempWidget) EnableMetric() {
temp.temps = make(map[string]float64)
for k, _ := range temp.Data {
kc := k
metrics.NewGauge(makeName("temp", k), func() float64 {
return float64(temp.Data[kc])
})
}
}
// Custom Draw method instead of inheriting from a generic Widget.
func (temp *TempWidget) Draw(buf *ui.Buffer) {
temp.Block.Draw(buf)
if len(temp.keys) != len(temp.Data) {
temp.keys = make(ordered, len(temp.Data))
i := 0
for key := range temp.Data {
temp.keys[i] = key
i++
}
sort.Sort(temp.keys)
}
for y, key := range temp.keys {
if y+1 > temp.Inner.Dy() {
break
}
var fg ui.Color
if temp.Data[key] < temp.TempThreshold {
fg = temp.TempLowColor
} else {
fg = temp.TempHighColor
}
s := ui.TrimString(key, (temp.Inner.Dx() - 4))
buf.SetString(s,
ui.Theme.Default,
image.Pt(temp.Inner.Min.X, temp.Inner.Min.Y+y),
)
temperature := fmt.Sprintf("%3d°%c", temp.Data[key], temp.TempScale)
buf.SetString(
temperature,
ui.NewStyle(fg),
image.Pt(temp.Inner.Max.X-(len(temperature)-1), temp.Inner.Min.Y+y),
)
}
}
func (temp *TempWidget) update() {
devices.UpdateTemps(temp.Data)
for name, val := range temp.Data {
if temp.TempScale == Fahrenheit {
temp.Data[name] = utils.CelsiusToFahrenheit(val)
} else {
temp.Data[name] = val
}
}
}
type ordered []string
func (o ordered) Len() int { return len(o) }
func (o ordered) Swap(i, j int) { o[j], o[i] = o[i], o[j] }
func (o ordered) Less(i, j int) bool {
if strings.HasPrefix(o[i], "core") {
if !strings.HasPrefix(o[j], "core") {
return true
}
} else if strings.HasPrefix(o[j], "core") {
return false
}
return o[i] < o[j]
}
|
