Add brightness

dwmstatus.c

@@ -165,6 +165,36 @@ getbattery(char *base)
 	return smprintf("%s %.0f%%", status, ((float)remcap / (float)descap) * 100);
 }
 
+char *
+getBrightness(char *base) {
+    char *co;
+    int brightness, max_brightness;
+    char *status;
+
+    co = readfile(base, "brightness");
+    if (co == NULL)
+        return smprintf("");
+
+    sscanf(co, "%d", &brightness);
+    free(co);
+
+    co = readfile(base, "max_brightness");
+    if (co == NULL)
+        return smprintf("");
+    sscanf(co, "%d", &max_brightness);
+    free(co);
+
+    int percentage = (((float)brightness / (float)max_brightness) * 100);
+
+    if(percentage < 50) {
+        status = "🔅";
+    } else {
+        status = "☀";
+    }
+
+    return smprintf("%s %d%% ", status, percentage);
+}
+
 char *
 gettemperature(char *base, char *sensor)
 {
@@ -184,20 +214,22 @@ main(void)
 	char *tmbln;
 	char *t0;
 	char *bat;
+    char *brightness;
 
 	if (!(dpy = XOpenDisplay(NULL))) {
 		fprintf(stderr, "dwmstatus: cannot open display.\n");
 		return 1;
 	}
-
+// 🖱
 	for (;;sleep(60)) {
 		avgs = loadavg();
 		tmbln = mktimes("%H:%M %d.%m.%Y", tzwarsaw);
 		t0 = gettemperature("/sys/class//hwmon/hwmon1", "temp1_input");
 		bat = getbattery("/sys/class/power_supply/BAT0");
+        brightness = getBrightness("/sys/class/backlight/amdgpu_bl0");
 
-		status = smprintf("%s 🌡 %s 📈 %s 📅 %s",
-				bat, t0, avgs, tmbln);
+		status = smprintf("%s %s🌡 %s 📈 %s 📅 %s",
+				bat, brightness, t0, avgs, tmbln);
 		setstatus(status);
 
 		free(t0);
@@ -205,6 +237,7 @@ main(void)
 		free(avgs);
 		free(tmbln);
 		free(status);
+		free(brightness);
 	}
 
 	XCloseDisplay(dpy);