refactor(flake): split NixOS Home Manager configs

Create a NixOS-specific Home Manager configuration and a reusable shared
configuration that can be imported and also used by other configurations,
such as WSL2.

system/nixos/home-manager-desktop.nix

@@ -0,0 +1,240 @@
+{ config, inputs, pkgs }:
+
+{
+  nixpkgs = {
+    config.allowUnfreePredicate = pkg:
+      builtins.elem (inputs.lib.getName pkg) [ "postman" ];
+  };
+
+  services.swayidle = {
+    enable = true;
+
+    events = [
+      {
+        event = "before-sleep";
+        command = "${pkgs.swaylock}/bin/swaylock --daemonize --image ~/.config/wallpaper/wallpaper.jpg";
+      }
+    ];
+  };
+
+  services.swayidle.timeouts = [
+    {
+      timeout = 300;
+      command = "${pkgs.swaylock}/bin/swaylock --daemonize --image ~/.config/wallpaper/wallpaper.jpg";
+    }
+
+    {
+      timeout = 600;
+      command = "swaymsg 'output * dpms off'";
+      resumeCommand = "swaymsg 'output * dpms on'";
+    }
+  ];
+
+  programs.swaylock = {
+    enable = true;
+
+    settings = {
+      daemonize = true;
+      image = "~/.config/wallpaper/wallpaper.jpg";
+    };
+  };
+
+  wayland.windowManager.sway = {
+    enable = true;
+
+    config = {
+      assigns = {
+        "1" = [{ app_id = "firefox"; }];
+        "2" = [{ app_id = "Alacritty"; }];
+        "3" = [{ class = "vlc"; }];
+        "9" = [
+          { class = "Slack"; }
+          { class = "discord"; }
+        ];
+        # Get app_id with swaymsg -t get_tree
+      };
+
+      bars = [
+        {
+          colors = {
+            background = "#222222";
+            focusedWorkspace = {
+              background = "#ffffff";
+              border = "#ffffff";
+              text = "#333333";
+            };
+            statusline = "#ffffff";
+          };
+
+          fonts = {
+            names = [ "DejaVu Sans Mono" ];
+            size = 16.0;
+          };
+
+          statusCommand = "i3status-rs ~/.config/i3status-rust/config-default.toml";
+          trayPadding = 10;
+        }
+      ];
+
+      gaps = {
+        inner = 10;
+        smartBorders = "on";
+        smartGaps = true;
+      };
+
+      input = {
+        "*" = {
+          xkb_layout = "gb";
+        };
+
+        "type:touchpad" = {
+          dwt = "enabled";
+          tap = "enabled";
+        };
+      };
+
+      keybindings =
+        let modifier = config.wayland.windowManager.sway.config.modifier;
+        in inputs.nixpkgs.lib.mkOptionDefault {
+          "${modifier}+Escape" = "exec swaylock --daemonize";
+          "${modifier}+Shift+b" = "exec firefox";
+          "${modifier}+tab" = "workspace back_and_forth";
+        };
+
+      menu = "wofi --show run";
+      modifier = "Mod4";
+
+      output = {
+        "*" = {
+          bg = "~/.config/wallpaper/wallpaper.jpg fill";
+        };
+
+        eDP-1 = {
+          scale = "1.0";
+        };
+      };
+
+      terminal = "alacritty";
+
+      window.border = 3;
+    };
+
+    extraConfig = ''
+      set $laptop eDP-1
+      bindswitch --reload --locked lid:on output $laptop disable
+      bindswitch --reload --locked lid:off output $laptop enable
+
+      bindsym --locked XF86MonBrightnessDown exec brightnessctl set 5%-
+      bindsym --locked XF86MonBrightnessUp exec brightnessctl set 5%+
+
+      exec alacritty
+      exec firefox
+
+      for_window [class="vlc"] inhibit_idle fullscreen
+
+      for_window [app_id="zoom"] floating enable
+      for_window [app_id="zoom" title="Choose ONE of the audio conference options"] floating enable
+      for_window [app_id="firefox" title="Firefox — Sharing Indicator"] floating enable
+      for_window [app_id="zoom" title="zoom"] floating enable
+      for_window [app_id="zoom" title="Zoom Meeting"] floating disable
+      for_window [app_id="zoom" title="Zoom - Free Account"] floating disable
+    '';
+  };
+
+  programs.i3status-rust = {
+    enable = true;
+
+    bars = {
+      default = {
+        blocks = [
+          {
+            block = "net";
+            format = " $ip ";
+          }
+          {
+            block = "battery";
+            format = " $icon $percentage $time ";
+          }
+          {
+            block = "cpu";
+          }
+          {
+            block = "memory";
+            format = " $icon $mem_total_used_percents.eng(w:2) ";
+            format_alt = " $icon_swap $swap_used_percents.eng(w:2) ";
+          }
+          {
+            block = "disk_space";
+            path = "/";
+            info_type = "available";
+            alert_unit = "GB";
+            interval = 20;
+            warning = 20.0;
+            alert = 10.0;
+            format = " $icon $available.eng(w:2) ";
+          }
+          {
+            block = "time";
+            interval = 1;
+            format = " $timestamp.datetime(f:'%F %T') ";
+          }
+        ];
+
+        settings = {
+          theme = {
+            theme = "plain";
+            overrides = {
+              critical_bg = "#222222";
+              good_bg = "#222222";
+              good_fg = "#ffffff";
+              idle_bg = "#222222";
+              idle_fg = "#ffffff";
+              info_bg = "#222222";
+              info_fg = "#ffffff";
+              separator_bg = "#222222";
+              warning_bg = "#222222";
+              warning_fg = "#ffffff";
+            };
+          };
+        };
+      };
+    };
+  };
+
+  xdg.configFile.wallpaper = {
+    source = ../../config/wallpaper;
+    recursive = true;
+  };
+
+  programs.firefox = {
+    enable = true;
+    package = pkgs.firefox-devedition;
+  };
+
+  programs.alacritty = {
+    enable = true;
+
+    settings = {
+      window.opacity = 0.9;
+
+      window.padding = {
+        x = 15;
+        y = 15;
+      };
+
+      font = {
+        size = 12.0;
+
+        normal.family = "JetBrainsMono Nerd Font Mono";
+        italic.style = "Regular";
+        bolditalic.style = "Regular";
+        bold.style = "Regular";
+
+        offset.y = 12;
+        glyph_offset.y = 6;
+      };
+
+      shell = { program = "zsh"; };
+    };
+  };
+}