Enhancement: configurable CPU temp scale (#3332)

---------

Co-authored-by: shamoon <4887959+shamoon@users.noreply.github.com>

docs/widgets/info/resources.md

@@ -19,6 +19,8 @@ _Note: unfortunately, the package used for getting CPU temp ([systeminformation]
     memory: true
     disk: /disk/mount/path
     cputemp: true
+    tempmin: 0 # optional, minimum cpu temp
+    tempmax: 100 # optional, maximum cpu temp
     uptime: true
     units: imperial # only used by cpu temp
     refresh: 3000 # optional, in ms

src/components/widgets/resources/cputemp.jsx

@@ -9,7 +9,7 @@ function convertToFahrenheit(t) {
   return (t * 9) / 5 + 32;
 }
 
-export default function CpuTemp({ expanded, units, refresh = 1500 }) {
+export default function CpuTemp({ expanded, units, refresh = 1500, tempmin = 0, tempmax = -1 }) {
   const { t } = useTranslation();
 
   const { data, error } = useSWR(`/api/widgets/resources?type=cputemp`, {
@@ -39,7 +39,12 @@ export default function CpuTemp({ expanded, units, refresh = 1500 }) {
   }
   const unit = units === "imperial" ? "fahrenheit" : "celsius";
   mainTemp = unit === "celsius" ? mainTemp : convertToFahrenheit(mainTemp);
-  const maxTemp = unit === "celsius" ? data.cputemp.max : convertToFahrenheit(data.cputemp.max);
+
+  const minTemp = tempmin < mainTemp ? tempmin : mainTemp;
+  let maxTemp = tempmax;
+  if (maxTemp < minTemp) {
+    maxTemp = unit === "celsius" ? data.cputemp.max : convertToFahrenheit(data.cputemp.max);
+  }
 
   return (
     <Resource
@@ -58,7 +63,7 @@ export default function CpuTemp({ expanded, units, refresh = 1500 }) {
         unit,
       })}
       expandedLabel={t("resources.max")}
-      percentage={Math.round((mainTemp / maxTemp) * 100)}
+      percentage={Math.round(((mainTemp - minTemp) / (maxTemp - minTemp)) * 100)}
       expanded={expanded}
     />
   );

src/components/widgets/resources/resources.jsx

@@ -8,7 +8,7 @@ import CpuTemp from "./cputemp";
 import Uptime from "./uptime";
 
 export default function Resources({ options }) {
-  const { expanded, units, diskUnits } = options;
+  const { expanded, units, diskUnits, tempmin, tempmax } = options;
   let { refresh } = options;
   if (!refresh) refresh = 1500;
   refresh = Math.max(refresh, 1000);
@@ -23,7 +23,9 @@ export default function Resources({ options }) {
                 <Disk key={disk} options={{ disk }} expanded={expanded} diskUnits={diskUnits} refresh={refresh} />
               ))
             : options.disk && <Disk options={options} expanded={expanded} diskUnits={diskUnits} refresh={refresh} />}
-          {options.cputemp && <CpuTemp expanded={expanded} units={units} refresh={refresh} />}
+          {options.cputemp && (
+            <CpuTemp expanded={expanded} units={units} refresh={refresh} tempmin={tempmin} tempmax={tempmax} />
+          )}
           {options.uptime && <Uptime refresh={refresh} />}
         </div>
         {options.label && (