i3 draft

common/desktop_environment/i3/home_manager/i3.nix

@@ -0,0 +1,121 @@
+{ config, lib, pkgs, ... }:
+let
+  ccfg = import ../../config.nix;
+  cfg_path = [
+    ccfg.custom_config_key
+    "desktopEnvironment"
+    "i3"
+  ];
+  cfg = lib.attrsets.getAttrFromPath cfg_path config;
+in
+{
+  config = lib.mkIf cfg.enable {
+    programs.i3 = {
+      enable = true;
+      package = pkgs.i3; # i3 window manager
+      windowManager.command = "i3";
+      extraConfig = lib.mkForce (''
+# Generated from sway configuration
+set $mod Mod4
+set $term ${cfg.terminalCommand}
+set $menu rofi -show drun
+
+# Input
+# Caps lock as escape is handled system-wide in NixOS
+
+# Focus
+bindsym $mod+h focus left
+bindsym $mod+l focus right
+bindsym $mod+k focus up
+bindsym $mod+j focus down
+
+# Apps
+bindsym $mod+Return exec $term
+bindsym $mod+space exec ${cfg.menu}
+bindsym $mod+q kill
+bindsym $mod+Shift+Escape exit
+bindsym $mod+Shift+q exec i3lock
+bindsym $mod+f floating toggle
+
+# Workspaces
+set $ws1 "1: "
+set $ws2 "2: "
+set $ws3 "3: "
+set $ws4 "4: "
+set $ws5 "5: "
+set $ws6 "6"
+set $ws7 "7"
+set $ws8 "8"
+set $ws9 "9"
+set $ws10 "10"
+
+bindsym $mod+1 workspace $ws1
+bindsym $mod+n workspace $ws1
+bindsym $mod+2 workspace $ws2
+bindsym $mod+m workspace $ws2
+bindsym $mod+3 workspace $ws3
+bindsym $mod+comma workspace $ws3
+bindsym $mod+4 workspace $ws4
+bindsym $mod+period workspace $ws4
+bindsym $mod+5 workspace $ws5
+bindsym $mod+slash workspace $ws5
+bindsym $mod+6 workspace $ws6
+bindsym $mod+7 workspace $ws7
+bindsym $mod+8 workspace $ws8
+bindsym $mod+9 workspace $ws9
+bindsym $mod+0 workspace $ws10
+
+# Move windows
+bindsym $mod+Shift+h move left
+bindsym $mod+Shift+l move right
+bindsym $mod+Shift+k move up
+bindsym $mod+Shift+j move down
+bindsym $mod+Shift+1 move container to workspace $ws1
+bindsym $mod+Shift+n move container to workspace $ws1
+bindsym $mod+Shift+2 move container to workspace $ws2
+bindsym $mod+Shift+m move container to workspace $ws2
+bindsym $mod+Shift+3 move container to workspace $ws3
+bindsym $mod+Shift+comma move container to workspace $ws3
+bindsym $mod+Shift+4 move container to workspace $ws4
+bindsym $mod+Shift+period move container to workspace $ws4
+bindsym $mod+Shift+5 move container to workspace $ws5
+bindsym $mod+Shift+slash move container to workspace $ws5
+bindsym $mod+Shift+6 move container to workspace $ws6
+bindsym $mod+Shift+7 move container to workspace $ws7
+bindsym $mod+Shift+8 move container to workspace $ws8
+bindsym $mod+Shift+9 move container to workspace $ws9
+bindsym $mod+Shift+0 move container to workspace $ws10
+
+# Mouse
+floating_modifier $mod
+
+# Screenshot (uses grim/slurp on Wayland; on X11 use maim)
+bindsym Print exec --no-startup-id maim -s | xclip -selection clipboard -t image/png
+
+# Startup
+exec --no-startup-id ${pkgs.bash}/bin/sh -c '~/.config/polybar/launch.sh'
+
+# gaps, borders handled by i3-gaps if available
+include ~/.config/i3/custom.conf
+'') ;
+    };
+
+    home.file = {
+      ".config/i3/config" = {
+        text = builtins.toString (config.programs.i3.extraConfig);
+      };
+      ".config/i3/custom.conf" = {
+        text = let
+          extra = cfg.extraOptions or {};
+          mkWorkspaceAssign = ws: out: "workspace \"${ws}\" output ${out}\n";
+          wsAssigns = if extra.workspaceOutputAssign == null then "" else
+            lib.concatStringsSep "" (lib.map (v: mkWorkspaceAssign v.workspace v.output) extra.workspaceOutputAssign);
+          startupLines = if extra.startup == null then "" else
+            lib.concatStringsSep "" (lib.map (s: "exec --no-startup-id ${s.command}\n") extra.startup);
+        in wsAssigns + startupLines;
+      };
+    };
+
+    environment.systemPackages = with pkgs; [ i3 i3status polybar maim xclip i3lock i3-gaps ];
+  };
+}

common/desktop_environment/i3/home_manager/polybar.nix

@@ -0,0 +1,27 @@
+{ config, lib, pkgs, ... }:
+let
+  ccfg = import ../../config.nix;
+  cfg_path = [
+    ccfg.custom_config_key
+    "desktopEnvironment"
+    "i3"
+    "polybar"
+  ];
+  cfg = lib.attrsets.getAttrFromPath cfg_path config;
+in
+{
+  config = lib.mkIf cfg.enable {
+    home.file = {
+      ".config/polybar/config" = {
+        text = builtins.readFile ../polybar/config;
+      };
+      ".config/polybar/launch.sh" = {
+        text = builtins.readFile ../polybar/launch.sh;
+        executable = true;
+      };
+    };
+
+    home.packages = [ pkgs.polybar ];
+    services.xserver.windowManager.i3.enable = true;
+  };
+}