feat: add waybar

home/fabric/desktop/waybar.nix

@@ -0,0 +1,117 @@
+{pkgs, ...}: {
+  programs.waybar = {
+    enable = true;
+    package = pkgs.waybar;
+    settings = {
+      mainBar = {
+        layer = "top";
+        position = "top";
+        height = 24;
+        modules-left = ["custom/wmenu"];
+        modules-right = ["cpu" "custom/cputemp" "memory" "custom/gputemp" "network" "pulseaudio" "clock" "tray"];
+
+        "custom/wmenu" = {
+          format = "";
+          on-click = "wmenu";
+          tooltip = false;
+        };
+
+        # "custom/fcitx" = {
+        #   format = ""; # Nerd Font keyboard symbol
+        #   tooltip = false;
+        # };
+
+        cpu = {
+          format = " CPU {usage}%";
+        };
+
+        memory = {
+          format = " RAM {used}Gib";
+        };
+
+        "custom/cputemp" = {
+          interval = 5;
+          exec = ''
+            # This script finds the line with "Tctl:" or "Package id 0:",
+            # prints the last field on that line (which is the temperature),
+            # and removes the extra characters. This is very reliable.
+            temp_str=$(sensors | grep -E 'Tctl:|Package id 0:' | awk '{print $NF}')
+            temp_val=$(echo "$temp_str" | tr -d '+°C')
+
+            if [ -n "$temp_val" ]; then
+              printf '{"text": "%.0f°C", "tooltip": "CPU Temperature: %.0f°C"}' "$temp_val" "$temp_val"
+            else
+              echo '{"text": "N/A"}'
+            fi
+          '';
+          "return-type" = "json";
+          format = "{}"; # The {} will be replaced by the "text" field
+        };
+
+        "custom/gputemp" = {
+          exec = "nvidia-smi --query-gpu=temperature.gpu --format=csv,noheader";
+          interval = 5;
+          format = "󰢮 GPU Temp {}°C";
+        };
+
+        network = {
+          format-wifi = "󰤨 {signalStrength}%"; # nf-md-wifi
+          format-ethernet = "󰈀 Connected"; # nf-md-ethernet
+          format-disconnected = "󰤮 Disconnected"; # nf-md-wifi_off
+          tooltip-format = "{ifname} via {gwaddr} "; # nf-fa-server
+          on-click = "nm-connection-editor"; # Opens network manager on click
+        };
+
+        pulseaudio = {
+          format = "{icon} {volume}%";
+          format-muted = "󰸈 Muted"; # Using a dedicated mute icon (nf-md-volume_mute)
+          format-icons = {
+            headphone = "";
+            headset = "";
+            # A specific icon for when the audio is muted
+            muted = "󰸈";
+            # Icons for different volume levels (0-33%, 34-66%, 67-100%)
+            default = ["" "" ""]; # Low, Medium, High
+          };
+          tooltip-format = "{desc} | {volume}%";
+          on-click = "pavucontrol";
+          on-click-middle = "pactl set-sink-mute @DEFAULT_SINK@ toggle"; # Middle-click to mute/unmute
+          on-scroll-up = "pactl set-sink-volume @DEFAULT_SINK@ +5%";
+          on-scroll-down = "pactl set-sink-volume @DEFAULT_SINK@ -5%";
+        };
+
+        clock = {
+          format = "{:%H:%M}";
+          tooltip-format = "{:%A, %B %d, %Y}";
+        };
+
+        tray = {
+          spacing = 10;
+        };
+      };
+    };
+
+    style = ''
+      * {
+        font-family: monospace;
+        font-size: 12px;
+        padding: 0;
+        margin: 0;
+      }
+      window#waybar {
+        background: #232136;
+        color: #e0def4;
+      }
+      #custom-wmenu, #cpu, #memory, #custom-cputemp, #custom-gputemp, #clock, #pulseaudio, #network, #tray {
+        padding: 0 10px;
+      }
+    '';
+  };
+
+  # Ensure dependencies for Waybar and temperature scripts
+  home.packages = with pkgs; [
+    libappindicator-gtk3 # For systray support
+    lm_sensors # For CPU temperature
+    wmenu # Ensure wmenu is available
+  ];
+}