sway status initial commit

nob.c

@@ -0,0 +1,30 @@
+
+#include <stdio.h>
+#define NOB_IMPLEMENTATION
+#define NOB_STRIP_PREFIX
+#include "nob.h"
+
+Cmd cmd = {0};
+
+int main(int argc, char *argv[]) {
+  NOB_GO_REBUILD_URSELF(argc, argv);
+
+  nob_cc(&cmd);
+  nob_cc_flags(&cmd);
+  nob_cc_output(&cmd, "swaystatus");
+  nob_cc_inputs(&cmd, "swaystatus.c");
+
+  if (!cmd_run(&cmd)) {
+    fprintf(stderr, "ERROR: Failed to compile swaystatus");
+    return 1;
+  }
+
+  // cmd_append(&cmd, "./swaystatus");
+
+  // if (!cmd_run(&cmd)) {
+  //   fprintf(stderr, "ERROR: Failed to run swaystatus");
+  //   return 1;
+  // }
+
+  return 0;
+}

swaystatus.c

@@ -0,0 +1,232 @@
+#include <stdio.h>
+#include <stdbool.h>
+#include <time.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+
+#define BATTERY_PATH "/sys/class/power_supply/BAT0/capacity"
+
+// ---- KEYBOARD LAYOUT ----
+char *get_active_keyboard_layout() {
+    FILE *fp = popen("swaymsg -t get_inputs | jq -r '.[] | select(.type==\"keyboard\") | .xkb_active_layout_name' | head -n1", "r");
+    if (!fp) {
+        return NULL;
+    }
+
+    static char buf[64];
+    if (fgets(buf, sizeof(buf), fp)) {
+        // strip newline
+        buf[strcspn(buf, "\n")] = 0;
+	pclose(fp);
+	return buf;
+    }
+
+    pclose(fp);
+    return NULL;
+}
+
+// ---- VOLUME MUTED ----
+int is_volume_muted() {
+    FILE *fp = popen("amixer get Master | grep -o '\\[on\\]\\|\\[off\\]' | head -n1", "r");
+    if (!fp) return -1;
+
+    char buf[8];
+    if (!fgets(buf, sizeof(buf), fp)) {
+        pclose(fp);
+        return -1;
+    }
+    pclose(fp);
+
+    if (strstr(buf, "[off]")) {
+        return 1;  // muted
+    } else if (strstr(buf, "[on]")) {
+        return 0;  // not muted
+    }
+    return -1; // unknown
+}
+
+// ---- VOLUME LEVEL ----
+int get_volume_percentage() {
+    int current = -1;
+    FILE *fp = popen("amixer sget Master | grep -o '[0-9]*%'", "r");
+    if (fp == NULL) return -1;
+    fscanf(fp, "%d%%\n", &current);
+    pclose(fp);
+    if (current == -1) return -1;
+    return current;
+}
+
+// ---- BRIGHTNESS ----
+int get_brightness_percentage() {
+    int current = -1;
+    int max = 1;
+    FILE *fp = popen("brightnessctl g", "r");
+    if (fp == NULL) return -1;
+    fscanf(fp, "%d\n", &current);
+    pclose(fp);
+    if (current == -1) {
+	return -1;
+    }
+    fp = popen("brightnessctl m", "r");
+    if (fp == NULL) return -1;
+    fscanf(fp, "%d\n", &max);
+    pclose(fp);
+    return (int)((float)current / (float)max * 100.0f);
+}
+
+// ---- BATTERY ----
+int get_battery_percentage() {
+    FILE *fp = fopen(BATTERY_PATH, "r");
+    if (fp == NULL) {
+        return -1;
+    }
+    int capacity;
+    if (fscanf(fp, "%d", &capacity) != 1) {
+        fclose(fp);
+        return -1;
+    }
+    fclose(fp);
+    return capacity;
+}
+
+// ---- MEMORY ----
+int get_memory_usage() {
+    FILE *fp = fopen("/proc/meminfo", "r");
+    if (fp == NULL) return -1;
+
+    long total = 0, available = 0;
+    char label[64];
+    long value;
+    char unit[16];
+
+    while (fscanf(fp, "%63s %ld %15s\n", label, &value, unit) == 3) {
+        if (strcmp(label, "MemTotal:") == 0) total = value;
+        if (strcmp(label, "MemAvailable:") == 0) {
+            available = value;
+            break;
+        }
+    }
+    fclose(fp);
+
+    if (total == 0) return -1;
+    return (int)((100 * (total - available)) / total);
+}
+
+// ---- CPU ----
+double get_cpu_usage() {
+    static long prev_idle = 0, prev_total = 0;
+    FILE *fp = fopen("/proc/stat", "r");
+    if (fp == NULL) return -1.0;
+
+    char cpu[5];
+    long user, nice, system, idle, iowait, irq, softirq, steal;
+    fscanf(fp, "%4s %ld %ld %ld %ld %ld %ld %ld %ld",
+           cpu, &user, &nice, &system, &idle,
+           &iowait, &irq, &softirq, &steal);
+    fclose(fp);
+
+    long idle_time = idle + iowait;
+    long total_time = user + nice + system + idle + iowait + irq + softirq + steal;
+
+    long diff_idle = idle_time - prev_idle;
+    long diff_total = total_time - prev_total;
+    prev_idle = idle_time;
+    prev_total = total_time;
+
+    if (diff_total == 0) return 0.0;
+    return (100.0 * (diff_total - diff_idle)) / diff_total;
+}
+
+// ---- WIFI ----
+char *get_wifi_name() {
+    static char ssid[64];
+    FILE *fp = popen("nmcli -t -f NAME,DEVICE connection show --active | grep -m1 \"$(nmcli -t -f DEVICE device status | grep connected | cut -d: -f1)\" | cut -d: -f1 || echo \"No active connection\">/dev/null", "r");
+    if (fp == NULL) return NULL;
+    if (fgets(ssid, sizeof(ssid), fp) == NULL) {
+        pclose(fp);
+        return NULL;
+    }
+    pclose(fp);
+    // remove trailing newline
+    ssid[strcspn(ssid, "\n")] = '\0';
+    if (strcmp(ssid, "lo") == 0) {
+	strcpy(ssid, "No Wi-Fi");
+    }
+    return ssid;
+}
+
+// ---- MAIN ----
+int main() {
+    // Print swaybar header
+    printf("{\"version\":1}\n[\n");
+    fflush(stdout);
+
+    int first = 1;
+
+    while (1) {
+        // Time
+        time_t now = time(NULL);
+        struct tm *t = localtime(&now);
+        char time_str[64];
+        strftime(time_str, sizeof(time_str), "%Y-%m-%d %H:%M:%S", t);
+
+	// Keyboard Layout
+	char *keyboard_layout = get_active_keyboard_layout();
+	
+	// Brightness
+	int current_brightness = get_brightness_percentage();
+
+	// Volume
+	int current_volume = get_volume_percentage();
+	bool volume_muted = is_volume_muted() == 1;
+	
+        // Battery
+        int battery = get_battery_percentage();
+        const char *bat_color;
+        if (battery < 0) {
+            bat_color = "#AAAAAA";
+        } else if (battery < 20) {
+            bat_color = "#FF0000";
+        } else if (battery < 50) {
+            bat_color = "#FFFF00";
+        } else {
+            bat_color = "#00FF00";
+        }
+
+        // Memory
+        int mem_used = get_memory_usage();
+
+        // CPU
+        double cpu_used = get_cpu_usage();
+
+        // Wi-Fi
+        char *wifi = get_wifi_name();
+        if (!wifi || strlen(wifi) == 0) wifi = "No WiFi";
+
+        // JSON output
+        if (!first) {
+            printf(",\n");
+        }
+        first = 0;
+
+        printf("[");
+        printf("{\"full_text\":\"   %.1f%% \",\"color\":\"#00FFFF\"},", cpu_used);
+        printf("{\"full_text\":\"   %d%% \",\"color\":\"#FFA500\"},", mem_used);
+        printf("{\"full_text\":\"   %s \",\"color\":\"#FFFFFF\"},", wifi);
+        printf("{\"full_text\":\"   %s \",\"color\":\"#FFFFFF\"},", keyboard_layout);
+        printf("{\"full_text\":\"   %d \",\"color\":\"#FFFFFF\"},", current_brightness);
+        printf("{\"full_text\":\" ");
+	if (volume_muted) printf("󰝟");
+	else printf("󰕾");
+	printf(" %d%% \",\"color\":\"#FFFFFF\"},", current_volume);
+        printf("{\"full_text\":\"   %d%% \",\"color\":\"%s\"},", battery, bat_color);
+        printf("{\"full_text\":\"   %s \",\"color\":\"#FFFFFF\"}", time_str);
+        printf("]\n");
+        fflush(stdout);
+
+        sleep(1);
+    }
+
+    return 0;
+}