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package display
import (
"sort"
"codeberg.org/snonux/loadbars/internal/constants"
"codeberg.org/snonux/loadbars/internal/stats"
"github.com/veandco/go-sdl2/sdl"
)
func peakPctForBar(state *runState, key string, cpuAvg int, s *[10]float64) float64 {
if !state.extended || s == nil {
return 0
}
userSys := (*s)[0] + (*s)[1]
hist := state.peakHistory[key]
hist = append(hist, userSys)
n := cpuAvg
if n < 1 {
n = 1
}
for len(hist) > n {
hist = hist[1:]
}
state.peakHistory[key] = hist
var max float64
for _, v := range hist {
if v > max {
max = v
}
}
return max
}
func sortedCPUNames(cpu map[string]stats.CPULine, cpuMode int) []string {
if cpuMode == constants.CPUModeOff {
return nil
}
var names []string
for name := range cpu {
if name == "cpu" {
names = append(names, "cpu")
continue
}
if cpuMode == constants.CPUModeCores {
names = append(names, name)
}
}
sort.Slice(names, func(i, j int) bool {
if names[i] == "cpu" {
return true
}
if names[j] == "cpu" {
return false
}
return names[i] < names[j]
})
return names
}
// cpuBarTargetPcts returns the 9 segment percentages (system, user, nice, idle, iowait, irq, softirq, guest, steal) from cur/prev delta.
func cpuBarTargetPcts(cur, prev stats.CPULine) (out [10]float64, ok bool) {
totalCur := cur.Total()
totalPrev := prev.Total()
if totalPrev == 0 || totalCur <= totalPrev {
return out, false
}
scale := float64(totalCur-totalPrev) / 100.0
if scale <= 0 {
return out, false
}
out[0] = float64(cur.System-prev.System) / scale
out[1] = float64(cur.User-prev.User) / scale
out[2] = float64(cur.Nice-prev.Nice) / scale
out[3] = float64(cur.Idle-prev.Idle) / scale
out[4] = float64(cur.Iowait-prev.Iowait) / scale
out[5] = float64(cur.IRQ-prev.IRQ) / scale
out[6] = float64(cur.SoftIRQ-prev.SoftIRQ) / scale
out[7] = float64(cur.Guest-prev.Guest) / scale
out[8] = float64(cur.Steal-prev.Steal) / scale
out[9] = float64(cur.GuestNice-prev.GuestNice) / scale
for i := range out {
if out[i] < 0 {
out[i] = 0
}
if out[i] > 100 {
out[i] = 100
}
}
return out, true
}
func normalizePcts(s *[10]float64) {
var sum float64
for i := 0; i < 10; i++ {
sum += (*s)[i]
}
if sum <= 0 {
return
}
for i := 0; i < 10; i++ {
(*s)[i] = (*s)[i] * 100 / sum
}
}
func drawCPUBarFromPcts(renderer *sdl.Renderer, s *[10]float64, barW int32, x, y, barH int32, extended bool, peakPct float64) {
renderer.SetDrawColor(constants.Black.R, constants.Black.G, constants.Black.B, 255)
renderer.FillRect(&sdl.Rect{X: x, Y: y, W: barW, H: barH})
if s == nil {
return
}
pxPerPct := float64(barH) / 100.0
curY := float64(y + barH)
fill := func(r, g, b uint8, pct float64) {
hh := int32(pct * pxPerPct)
if hh < 1 && pct > 0 {
hh = 1
}
curY -= float64(hh)
renderer.SetDrawColor(r, g, b, 255)
renderer.FillRect(&sdl.Rect{X: x, Y: int32(curY), W: barW, H: hh})
}
fill(constants.Blue.R, constants.Blue.G, constants.Blue.B, (*s)[0])
fill(constants.Yellow.R, constants.Yellow.G, constants.Yellow.B, (*s)[1])
fill(constants.Green.R, constants.Green.G, constants.Green.B, (*s)[2])
fill(constants.LimeGreen.R, constants.LimeGreen.G, constants.LimeGreen.B, (*s)[9])
fill(constants.Black.R, constants.Black.G, constants.Black.B, (*s)[3])
fill(constants.Purple.R, constants.Purple.G, constants.Purple.B, (*s)[4])
fill(constants.White.R, constants.White.G, constants.White.B, (*s)[5])
fill(constants.White.R, constants.White.G, constants.White.B, (*s)[6])
fill(constants.Red.R, constants.Red.G, constants.Red.B, (*s)[7])
fill(constants.Red.R, constants.Red.G, constants.Red.B, (*s)[8])
if !extended || peakPct <= 0 {
return
}
peakY := y + barH - int32(peakPct*pxPerPct)
if peakY < y {
peakY = y
}
if peakY >= y+barH {
peakY = y + barH - 1
}
if peakPct > float64(constants.UserOrangeThreshold) {
renderer.SetDrawColor(constants.Orange.R, constants.Orange.G, constants.Orange.B, 255)
} else if peakPct > float64(constants.UserYellowThreshold) {
renderer.SetDrawColor(constants.Yellow0.R, constants.Yellow0.G, constants.Yellow0.B, 255)
} else {
renderer.SetDrawColor(constants.Yellow.R, constants.Yellow.G, constants.Yellow.B, 255)
}
renderer.FillRect(&sdl.Rect{X: x, Y: peakY, W: barW, H: 1})
}
|
