initial commit

modules/home/waybar/default.nix

@@ -0,0 +1,133 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+let
+  cfg = config.programs.waybar;
+
+  clock = {
+    format = mkDefault "{:%a %d %b  %H:%M}";
+    tooltip-format = mkDefault "<tt><small>{calendar}</small></tt>";
+    timezone = mkDefault "Europe/Berlin";
+    locale = mkDefault "en_US.UTF-8";
+    calendar = {
+      mode = mkDefault "year";
+      mode-mon-col = mkDefault 3;
+      weeks-pos = mkDefault "right";
+      on-scroll = mkDefault 1;
+    };
+    actions = {
+      on-click-right = mkDefault "mode";
+      on-click-forward = mkDefault "tz_up";
+      on-click-backward = mkDefault "tz_down";
+      on-scroll-up = mkDefault "shift_up";
+      on-scroll-down = mkDefault "shift_down";
+    };
+  };
+
+  "hyprland/workspaces" = {
+    active-only = mkDefault false;
+    all-outputs = mkDefault false;
+    format = mkDefault "{name}";
+    on-click = mkDefault "activate";
+    on-scroll-up = mkDefault "hyprctl dispatch workspace e-1";
+    on-scroll-down = mkDefault "hyprctl dispatch workspace e+1";
+  };
+
+  keyboard-state = {
+    numlock = mkDefault true;
+    capslock = mkDefault true;
+    scrolllock = mkDefault true;
+    format = {
+      scrolllock = mkDefault "S ";
+      capslock = mkDefault "C ";
+      numlock = mkDefault "N";
+    };
+  };
+
+  "hyprland/language" = {
+    format = mkDefault "{}";
+    format-en = mkDefault "us";
+    format-de = mkDefault "de";
+    # TODO: switch language on click
+  };
+
+  # Add your custom modules here
+  "custom/newsboat" = import ./modules/newsboat.nix { inherit lib pkgs; };
+  "pulseaudio#input" = import ./modules/pulseaudio/input.nix { inherit lib pkgs; };
+  "pulseaudio#output" = import ./modules/pulseaudio/output.nix { inherit lib pkgs; };
+  battery = import ./modules/battery.nix { inherit lib; };
+  bluetooth = import ./modules/bluetooth.nix { inherit lib; };
+  cpu = import ./modules/cpu.nix { inherit lib; };
+  disk = import ./modules/disk.nix { inherit lib; };
+  memory = import ./modules/memory.nix { inherit lib; };
+  network = import ./modules/network.nix { inherit lib; };
+  wireplumber = import ./modules/wireplumber.nix { inherit lib; };
+
+  inherit (lib) mkDefault mkIf;
+in
+{
+  imports = [
+    ./modules/timer # TODO: Do not use imports. Move to let-in-block.
+  ];
+
+  config = mkIf cfg.enable {
+    home.packages = with pkgs; [ font-awesome ];
+
+    programs.waybar = {
+      systemd.enable = mkDefault true;
+      settings = {
+        mainBar = {
+          output = mkDefault "";
+          modules-left = mkDefault [
+            "hyprland/workspaces"
+            "keyboard-state"
+            "hyprland/language"
+          ];
+          modules-center = mkDefault [ "clock" ];
+          modules-right = mkDefault [
+            "network"
+            "cpu"
+            "memory"
+            "disk"
+            "pulseaudio#input"
+            "pulseaudio#output"
+            "tray"
+          ];
+
+          inherit
+            "custom/newsboat"
+            "hyprland/language"
+            "hyprland/workspaces"
+            "pulseaudio#input"
+            "pulseaudio#output"
+            battery
+            bluetooth
+            clock
+            cpu
+            disk
+            keyboard-state
+            memory
+            network
+            wireplumber
+            ;
+        };
+        otherBar = {
+          output = with cfg.settings.mainBar; if (output != "") then "!${output}" else "nowhere";
+          modules-left = mkDefault [
+            "hyprland/workspaces"
+          ];
+          modules-center = mkDefault [ "clock" ];
+
+          inherit
+            "hyprland/workspaces"
+            clock
+            ;
+        };
+      };
+    };
+  };
+}

modules/home/waybar/modules/battery.nix

@@ -0,0 +1,28 @@
+# battery
+{ lib, ... }:
+
+let
+  inherit (lib) mkDefault;
+in
+{
+  interval = mkDefault 10;
+  states = {
+    warning = mkDefault 20;
+    critical = mkDefault 10;
+  };
+  format = mkDefault "{icon} {capacity}";
+  format-icons = mkDefault [
+    ""
+    ""
+    ""
+    ""
+    ""
+  ];
+  tooltip-format = mkDefault ''
+    {timeTo}
+    Capacity:      {capacity}%
+    Power Draw:    {power} W
+    Charge Cycles: {cycles}
+    Health:        {health}%
+  '';
+}

modules/home/waybar/modules/bluetooth.nix

@@ -0,0 +1,20 @@
+# bluetooth
+{ lib, ... }:
+
+let
+  inherit (lib) mkDefault;
+in
+{
+  format = mkDefault " {status}";
+  format-connected = mkDefault " {device_alias}";
+  format-connected-battery = mkDefault " {device_alias} {device_battery_percentage}%";
+  format-disabled = mkDefault "";
+  format-off = mkDefault "";
+  format-on = mkDefault "";
+  max-length = mkDefault 12;
+  on-click = "bluetoothctl power off";
+  tooltip-format = mkDefault "{controller_alias}\t{controller_address}\n\n{num_connections} connected";
+  tooltip-format-connected = mkDefault "{controller_alias}\t{controller_address}\n\n{num_connections} connected\n\n{device_enumerate}";
+  tooltip-format-enumerate-connected = mkDefault "{device_alias}\t{device_address}";
+  tooltip-format-enumerate-connected-battery = mkDefault "{device_alias}\t{device_address}\t{device_battery_percentage}%";
+}

modules/home/waybar/modules/cpu.nix

@@ -0,0 +1,25 @@
+# cpu
+{ lib, ... }:
+
+let
+  inherit (lib) mkDefault;
+in
+{
+  interval = mkDefault 10;
+  format = mkDefault " {usage}";
+  tooltip-format = mkDefault ''
+    CPU Load:      {load}
+    CPU Usage:     {usage}%
+    Core 0 Usage:  {usage0}%
+    Core 1 Usage:  {usage1}%
+    Core 2 Usage:  {usage2}%
+    Core 3 Usage:  {usage3}%
+    Core 4 Usage:  {usage4}%
+    Core 5 Usage:  {usage5}%
+    Core 6 Usage:  {usage6}%
+    Core 7 Usage:  {usage7}%
+    Avg Frequency: {avg_frequency} GHz
+    Max Frequency: {max_frequency} GHz
+    Min Frequency: {min_frequency} GHz
+  '';
+}

modules/home/waybar/modules/disk.nix

@@ -0,0 +1,11 @@
+# disk
+{ lib, ... }:
+
+let
+  inherit (lib) mkDefault;
+in
+{
+  interval = mkDefault 3600;
+  format = mkDefault " {percentage_used}";
+  path = mkDefault "/";
+}

modules/home/waybar/modules/memory.nix

@@ -0,0 +1,18 @@
+# memory
+{ lib, ... }:
+
+let
+  inherit (lib) mkDefault;
+in
+{
+  interval = mkDefault 10;
+  format = mkDefault " {percentage}";
+  tooltip-format = mkDefault ''
+    Total Memory:     {total} GiB
+    Used Memory:      {used} GiB ({percentage}%)
+    Available Memory: {avail} GiB
+    Total Swap:       {swapTotal} GiB
+    Used Swap:        {swapUsed} GiB ({swapPercentage}%)
+    Available Swap:   {swapAvail} GiB
+  '';
+}

modules/home/waybar/modules/network.nix

@@ -0,0 +1,48 @@
+# network
+{ lib, ... }:
+
+let
+  inherit (lib) mkDefault;
+in
+{
+  interval = mkDefault 10;
+  format-wifi = mkDefault " {signalStrength}";
+  format-ethernet = mkDefault "";
+  format-disconnected = mkDefault ""; # An empty format will hide the module.
+  tooltip-format = mkDefault ''
+    Interface:       {ifname}
+    IP Address:      {ipaddr}
+    Gateway:         {gwaddr}
+    Netmask:         {netmask}
+    CIDR:            {cidr}
+    ESSID:           {essid}
+    Signal:          {signaldBm} dBm / {signalStrength}%
+    Frequency:       {frequency} GHz
+    Bandwidth Up:    {bandwidthUpBits} / {bandwidthUpBytes}
+    Bandwidth Down:  {bandwidthDownBits} / {bandwidthDownBytes}
+    Total Bandwidth: {bandwidthTotalBits} / {bandwidthTotalBytes}
+    Icon:            {icon}
+  '';
+  tooltip-format-wifi = mkDefault ''
+    Interface:       {ifname}
+    IP Address:      {ipaddr}/{cidr}
+    Gateway:         {gwaddr}
+    Netmask:         {netmask}
+    ESSID:           {essid}
+    Signal:          {signaldBm} dBm / {signalStrength}%
+    Frequency:       {frequency} GHz
+    Bandwidth Up:    {bandwidthUpBits} / {bandwidthUpBytes}
+    Bandwidth Down:  {bandwidthDownBits} / {bandwidthDownBytes}
+    Total Bandwidth: {bandwidthTotalBits} / {bandwidthTotalBytes}
+  '';
+  tooltip-format-ethernet = mkDefault ''
+    Interface:       {ifname}
+    IP Address:      {ipaddr}/{cidr}
+    Gateway:         {gwaddr}
+    Netmask:         {netmask}
+    Bandwidth Up:    {bandwidthUpBits} / {bandwidthUpBytes}
+    Bandwidth Down:  {bandwidthDownBits} / {bandwidthDownBytes}
+    Total Bandwidth: {bandwidthTotalBits} / {bandwidthTotalBytes}
+  '';
+  tooltip-format-disconnected = mkDefault "Disconnected";
+}

modules/home/waybar/modules/newsboat.nix

@@ -0,0 +1,29 @@
+# custom/newsboat
+{
+  lib,
+  pkgs,
+  ...
+}:
+
+let
+  newsboat-print-unread =
+    let
+      newsboat = "${pkgs.newsboat}/bin/newsboat";
+    in
+    (pkgs.writeShellScriptBin "newsboat-print-unread" ''
+      UNREAD=$(${newsboat} -x print-unread | awk '{print $1}')
+
+      if [[ $UNREAD -gt 0 ]]; then
+      	printf " %i" "$UNREAD"
+      fi
+    '');
+
+  inherit (lib) mkDefault;
+in
+{
+  exec = mkDefault "${newsboat-print-unread}/bin/newsboat-print-unread";
+  format = mkDefault "{}";
+  hide-empty-text = mkDefault true; # disable module when output is empty
+  signal = mkDefault 10;
+  on-click = mkDefault "newsboat-reload";
+}

modules/home/waybar/modules/pulseaudio/input.nix

@@ -0,0 +1,20 @@
+# pulseaudio input
+{ lib, pkgs, ... }:
+
+let
+  helvum = "${pkgs.helvum}/bin/helvum";
+  pactl = "${pkgs.pulseaudio}/bin/pactl";
+
+  inherit (lib) mkDefault;
+in
+{
+  format = mkDefault "{format_source}";
+  format-source = mkDefault " {volume}";
+  format-source-muted = mkDefault "";
+  on-click = mkDefault "${pactl} set-source-mute 0 toggle";
+  on-click-middle = mkDefault helvum;
+  on-scroll-down = mkDefault "${pactl} set-source-volume 0 -5%";
+  on-scroll-up = mkDefault "${pactl} set-source-volume 0 +5%";
+  scroll-step = mkDefault 1;
+  smooth-scrolling-threshold = mkDefault 1;
+}

modules/home/waybar/modules/pulseaudio/output.nix

@@ -0,0 +1,27 @@
+# pulseaudio output
+{ lib, pkgs, ... }:
+
+let
+  helvum = "${pkgs.helvum}/bin/helvum";
+  pactl = "${pkgs.pulseaudio}/bin/pactl";
+
+  inherit (lib) mkDefault;
+in
+{
+  format = mkDefault "{icon} {volume}";
+  format-muted = mkDefault "x";
+  format-icons = mkDefault {
+    default = mkDefault [
+      ""
+      ""
+      ""
+    ];
+  };
+  max-volume = mkDefault 150;
+  on-click = mkDefault "${pactl} set-sink-mute 0 toggle";
+  on-click-middle = mkDefault helvum;
+  on-scroll-down = mkDefault "${pactl} set-sink-volume 0 -5%";
+  on-scroll-up = mkDefault "${pactl} set-sink-volume 0 +5%";
+  scroll-step = mkDefault 5;
+  smooth-scrolling-threshold = mkDefault 1;
+}

modules/home/waybar/modules/timer/default.nix

@@ -0,0 +1,28 @@
+# custom/timer
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+let
+  cfg = config.programs.waybar;
+  timer = pkgs.writeShellScriptBin "timer" (builtins.readFile ./timer.sh);
+
+  inherit (lib) mkDefault mkIf;
+in
+{
+  config = mkIf cfg.enable {
+    programs.waybar.settings.mainBar."custom/timer" = {
+      exec = mkDefault "${timer}/bin/timer print";
+      # `interval` is not needed since timer script will update the status bar
+      format = mkDefault "{}";
+      hide-empty-text = mkDefault true; # disable module when output is empty
+      signal = mkDefault 11;
+      on-click = mkDefault "${timer}/bin/timer stop";
+    };
+
+    home.packages = [ timer ]; # Add an additional check if the widget is enabled? Currently, the waybar module installs this package regardless of the config.
+  };
+}

modules/home/waybar/modules/timer/timer.sh

@@ -0,0 +1,78 @@
+TIMER_FILE="/tmp/timer" # file to store the current time
+SIGNAL=11 # signal number to send to status bar
+STATUS_BAR="waybar" # Support for more status bars?
+
+help() {
+  echo "Usage: $0 {start -h H -m M -s S|stop|print}"
+}
+
+start_timer() {
+  local hours=$1
+  local minutes=$2
+  local seconds=$3
+  local total_seconds=$((hours * 3600 + minutes * 60 + seconds))
+
+  ( 
+    notify-send "Timer Started" "Your countdown timer has been started."
+
+    trap "exit" INT TERM
+    trap "rm -f -- '$TIMER_FILE'" EXIT
+
+    while [ $total_seconds -gt 0 ]; do
+      hours=$(( total_seconds / 3600 ))
+      minutes=$(( (total_seconds % 3600) / 60 ))
+      seconds=$(( total_seconds % 60 ))
+
+      printf "%02d:%02d:%02d\n" $hours $minutes $seconds > $TIMER_FILE
+      pkill -RTMIN+$SIGNAL $STATUS_BAR
+      sleep 1
+      total_seconds=$(( total_seconds - 1 ))
+    done
+    
+    notify-send "Timer Finished" "Your countdown timer has ended."
+    stop_timer
+  ) &
+}
+
+stop_timer() {
+  rm -f $TIMER_FILE
+  pkill -RTMIN+$SIGNAL $STATUS_BAR
+  exit 0
+}
+
+print_time() {
+  if [[ -f $TIMER_FILE ]]; then
+    printf " %s" "$(cat $TIMER_FILE)"
+  else
+    echo "" # waybar widget will be hidden if stdout is empty
+  fi
+}
+
+if [ "$1" = "start" ]; then
+  shift
+  while getopts "h:m:s:" opt; do
+    case $opt in
+      h) HOURS=$OPTARG ;;
+      m) MINUTES=$OPTARG ;;
+      s) SECONDS=$OPTARG ;;
+      *) echo "Invalid option"; exit 1 ;;
+    esac
+  done
+  HOURS=${HOURS:-0}
+  MINUTES=${MINUTES:-0}
+  SECONDS=${SECONDS:-0}
+
+  start_timer $HOURS $MINUTES $SECONDS
+
+elif [ "$1" = "stop" ]; then
+  notify-send "Timer Stopped" "Your countdown timer has been stopped."
+  stop_timer
+
+elif [ "$1" = "print" ]; then
+  print_time
+
+else
+  echo "Invalid command $1"
+  help
+  exit 1
+fi

modules/home/waybar/modules/wireplumber.nix

@@ -0,0 +1,18 @@
+# wireplumber
+{ lib, ... }:
+
+let
+  inherit (lib) mkDefault;
+in
+{
+  format = mkDefault "{icon} {volume}";
+  format-muted = mkDefault "mute"; # <U+f6a9> does not render. See issue #144
+  format-icons = mkDefault [
+    ""
+    ""
+    ""
+  ];
+  on-click = mkDefault "helvum";
+  max-volume = mkDefault 150;
+  scroll-step = mkDefault 1;
+}