feat: modular i3's configurations

home/linux/desktop/i3/values/default.nix

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+{mylib, ...} @ args:
+map
+(path: import path args)
+(mylib.scanPaths ./.)

home/linux/desktop/i3/values/i3.nix

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+_: {
+  # i3 window manager's config, based on https://github.com/endeavouros-team/endeavouros-i3wm-setup
+
+  # NOTE:
+  # We have to enable hyprland/i3's systemd user service in home-manager,
+  # so that gammastep/wallpaper-switcher's user service can be start correctly!
+  # they are all depending on hyprland/i3's user graphical-session
+  xsession = {
+    enable = true;
+    windowManager.i3 = {
+      enable = true;
+      extraConfig = builtins.readFile ../conf/i3-config;
+    };
+    # Path, relative to HOME, where Home Manager should write the X session script.
+    # and NixOS will use it to start xorg session when system boot up
+    scriptPath = ".xsession";
+  };
+
+  xdg.configFile = {
+    "i3/i3blocks.conf".source = ../conf/i3blocks.conf;
+    "i3/scripts" = {
+      source = ../conf/scripts;
+      # copy the scripts directory recursively
+      recursive = true;
+      executable = true; # make all scripts executable
+    };
+    "i3/layouts" = {
+      source = ../conf/layouts;
+      recursive = true;
+    };
+    # rofi is a application launcher and dmenu replacement
+    "rofi" = {
+      source = ../conf/rofi;
+      # copy the scripts directory recursively
+      recursive = true;
+    };
+  };
+
+  home.file = {
+    ".local/bin/bright" = {
+      source = ../bin/bright;
+      executable = true;
+    };
+    ".local/bin/logout" = {
+      source = ../bin/logout;
+      executable = true;
+    };
+
+    # xrandr - set primary screen
+    ".screenlayout/monitor.sh".source = ../conf/dual-monitor-4k-1080p.sh;
+  };
+
+  # allow fontconfig to discover fonts and configurations installed through home.packages
+  fonts.fontconfig.enable = true;
+}

home/linux/desktop/i3/values/packages.nix

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+{pkgs, ...}: {
+  home.packages = with pkgs; [
+    rofi # application launcher, the same as dmenu
+    dunst # notification daemon
+    i3blocks # status bar
+    i3lock # default i3 screen locker
+    xautolock # lock screen after some time
+    i3status # provide information to i3bar
+    i3-gaps # i3 with gaps
+    picom # transparency and shadows
+    feh # set wallpaper
+    xcolor # color picker
+    xsel # for clipboard support in x11, required by tmux's clipboard support
+
+    acpi # battery information
+    arandr # screen layout manager
+    dex # autostart applications
+    xbindkeys # bind keys to commands
+    xorg.xbacklight # control screen brightness, the same as light
+    xorg.xdpyinfo # get screen information
+    scrot # minimal screen capture tool, used by i3 blur lock to take a screenshot
+    sysstat # get system information
+    alsa-utils # provides amixer/alsamixer/...
+  ];
+}

home/linux/desktop/i3/values/x11-apps.nix

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+{pkgs, ...}: {
+  home.packages = with pkgs; [
+    firefox
+  ];
+
+  # TODO vscode & chrome both have wayland support, but they don't work with fcitx5, need to fix it.
+  programs = {
+    # source code: https://github.com/nix-community/home-manager/blob/master/modules/programs/chromium.nix
+    google-chrome = {
+      enable = true;
+
+      # chrome wayland support was broken on nixos-unstable branch, so fallback to stable branch for now
+      # https://github.com/swaywm/sway/issues/7562
+      package = pkgs.google-chrome;
+
+      # commandLineArgs = [
+      # ];
+    };
+  };
+}