desktop: Switch from Hyprland to sway

Hyprland no longer works with the newest nvidia drivers, while nvidia
have reportedly started testing their drivers against sway.

Also: https://drewdevault.com/2023/09/17/Hyprland-toxicity.html

README.md

@@ -50,21 +50,13 @@ Then set up:
 
 1. Basic networking. Typically a bond config, see ren/yui for
    examples.
-2. Hyprland will need some small tweaks, usually these settings need to be twiddled:
-   ```nix
-   programs.hyprland = {
-     enableNvidiaPatches = false;
-   };
-   ```
-   - If using nvidia, *lots* of things need to be twiddled, look at
-     the yui config.
-3. Make sure to include one of the network modules so that wireless
+2. Make sure to include one of the network modules so that wireless
    networking is set up on first boot.
-4. Generate and include a new `hardware-configuration.nix`:
+3. Generate and include a new `hardware-configuration.nix`:
     ```console
     nixos-generate-config --no-filesystems --show-hardware-config
     ```
-5. Set up a new sops target.
+4. Set up a new sops target.
    1. Firstly, create a new gpg dir according to [these
       instructions](https://github.com/Mic92/sops-nix#use-with-gpg-instead-of-ssh-keys).
    2. Then, add the generated fingerprint to `.sops.yaml`, and

home-config/config/desktop/default.nix

@@ -7,12 +7,12 @@
     ./barrier.nix
     ./dunst.nix
     ./gtk.nix
-    ./hyprland.nix
     ./mime.nix
     ./ncmpcpp.nix
     ./pipewire.nix
     ./rofi.nix
     ./stumpwm.nix
+    ./sway.nix
   ];
 
   config = lib.mkIf config.custom.desktop-environment {

home-config/config/desktop/hyprland.nix → home-config/config/desktop/sway.nix

@@ -1,12 +1,13 @@
 {
   config,
-  lib,
+  nixos-config ? {},
   pkgs,
-  flake-inputs,
+  lib,
   ...
 }: let
-  hyprctl = "${flake-inputs.nixpkgs-unstable.legacyPackages.${pkgs.system}.hyprland}/bin/hyprctl";
   loginctl = "${pkgs.systemd}/bin/loginctl";
+  swaymsg = "${nixos-config.programs.sway.package or pkgs.sway}/bin/swaymsg";
+  systemctl = "${pkgs.systemd}/bin/systemctl";
 
   wpaperd-config = {
     default = {
@@ -26,9 +27,8 @@
       libsecret
       wl-clipboard
     ];
-
     text = ''
-      WINDOW_TITLE="$('${hyprctl}' -j activewindow | jq -r '.title')"
+      WINDOW_TITLE="$(${swaymsg} --type get_tree | jq -r 'recurse(.nodes[]) | select(.focused)  | .app_id // .window_properties.title')"
       secret-tool lookup KP2A_URL "title://$WINDOW_TITLE" | wl-copy
       # Wait 45 seconds before clearing the clipboard
       sleep 45
@@ -37,36 +37,15 @@
   };
 in {
   config = lib.mkIf config.custom.desktop-environment {
-    home.packages = with pkgs; [
-      slurp
-      grim
+    home.packages = [
       keepassxc-copy
-      flake-inputs.nixpkgs-unstable.legacyPackages.${pkgs.system}.grimblast
     ];
 
-    systemd.user.targets.hyprland-session = {
-      Unit = {
-        Description = "Hyprland compositor session";
-        Documentation = ["man:systemd.special(7)"];
-        BindsTo = ["graphical-session.target"];
-        Wants = ["graphical-session-pre.target"];
-        After = ["graphical-session-pre.target"];
-      };
-    };
-
-    xdg.configFile."hypr/hyprland.conf" = {
-      source = ../../dotfiles/hyprland.conf;
-      onChange = let
-        inherit (flake-inputs.nixpkgs-unstable.legacyPackages.${pkgs.system}) hyprland;
-      in ''
-        (  # execute in subshell so that `shopt` won't affect other scripts
-          shopt -s nullglob  # so that nothing is done if /tmp/hypr/ does not exist or is empty
-          for instance in /tmp/hypr/*; do
-            HYPRLAND_INSTANCE_SIGNATURE=''${instance##*/} ${hyprland}/bin/hyprctl reload config-only \
-              || true  # ignore dead instance(s)
-          done
-        )
-      '';
+    wayland.windowManager.sway = {
+      enable = true;
+      package = null;
+      config = null;
+      extraConfig = lib.fileContents ../../dotfiles/sway.conf;
     };
 
     services.swayidle = {
@@ -76,14 +55,15 @@ in {
       events = [
         {
           event = "lock";
-          command = "${config.programs.swaylock.package}/bin/swaylock";
+          command = "${systemctl} --user start swaylock";
         }
       ];
 
       timeouts = [
         {
           timeout = 5 * 60;
-          command = "${hyprctl} dispatch dpms off";
+          command = "${swaymsg} 'output * power off'";
+          resumeCommand = "${swaymsg} 'output * power on'";
         }
         {
           timeout = 6 * 60;
@@ -105,6 +85,11 @@ in {
       };
     };
 
+    systemd.user.services.swaylock = {
+      Unit.Description = "Lock screen";
+      Service.ExecStart = "${config.programs.swaylock.package}/bin/swaylock";
+    };
+
     systemd.user.services.wpaperd = {
       Unit = {
         Description = "Wallpaper daemon";

home-config/dotfiles/sway.conf

@@ -0,0 +1,70 @@
+set $mod Mod4
+
+# Monitors
+
+output "Dell Inc. DELL G2723HN 5B0C3H3" {
+  mode 1920x1080@164.997Hz
+  adaptive_sync on
+  max_render_time 3
+}
+
+# Window decorations
+
+corner_radius 10
+smart_corner_radius enable
+default_border pixel
+gaps {
+  outer 20
+  inner 5
+}
+
+# Keybindings
+
+## Basic applications
+bindsym {
+  $mod+Q exec alacritty
+  $mod+E exec emacsclient --create-frame --alternate-editor 'emacs'
+  $mod+R exec rofi -show drun
+  $mod+L exec keepassxc-copy
+}
+
+## Window/desktop management
+floating_modifier $mod
+
+bindsym {
+  $mod+Up focus up
+  $mod+Right focus right
+  $mod+Down focus down
+  $mod+Left focus left
+
+  $mod+V floating toggle
+  $mod+S sticky toggle
+
+  $mod+C kill
+  $mod+M exit
+}
+
+## Workspaces
+bindsym {
+  $mod+1 workspace 1
+  $mod+2 workspace 2
+  $mod+3 workspace 3
+  $mod+4 workspace 4
+  $mod+5 workspace 5
+  $mod+6 workspace 6
+  $mod+7 workspace 7
+  $mod+8 workspace 8
+  $mod+9 workspace 9
+  $mod+0 workspace 10
+
+  $mod+Shift+1 move container to workspace 1; workspace 1
+  $mod+Shift+2 move container to workspace 2; workspace 2
+  $mod+Shift+3 move container to workspace 3; workspace 3
+  $mod+Shift+4 move container to workspace 4; workspace 4
+  $mod+Shift+5 move container to workspace 5; workspace 5
+  $mod+Shift+6 move container to workspace 6; workspace 6
+  $mod+Shift+7 move container to workspace 7; workspace 7
+  $mod+Shift+8 move container to workspace 8; workspace 8
+  $mod+Shift+9 move container to workspace 9; workspace 9
+  $mod+Shift+0 move container to workspace 10; workspace 10
+}

modules/cursor-theme.nix

@@ -27,32 +27,30 @@ in {
         description = "How much to scale the cursor size by on xwayland applications";
       };
     };
+  };
 
-    _hyprland-theme-init = lib.mkOption {
-      default = pkgs.writeShellApplication {
-        name = "hyprland-theme-init";
-        runtimeInputs = [
-          pkgs.glib
-          pkgs.xorg.xsetroot
-          flake-inputs.nixpkgs-unstable.legacyPackages.${pkgs.system}.hyprland
+  config = lib.mkIf (config.theming.cursor.theme != null) {
+    programs.sway.extraSessionCommands = let
+      cursorThemeInit = pkgs.writeShellApplication {
+        name = "cursor-theme-init";
+        runtimeInputs = with pkgs; [
+          glib
+          xorg.xsetroot
         ];
         text = ''
           xsetroot -cursor_name left_ptr
-          hyprctl setcursor '${config.theming.cursor.theme}' ${toString config.theming.cursor.size}
           export XDG_DATA_DIRS=${pkgs.gsettings-desktop-schemas}/share/gsettings-schemas/gsettings-desktop-schemas-44.0
           gsettings set org.gnome.desktop.interface cursor-theme '${config.theming.cursor.theme}'
           gsettings set org.gnome.desktop.interface cursor-size '${toString config.theming.cursor.size}'
         '';
       };
-    };
-  };
-
-  config = lib.mkIf (config.theming.cursor.theme != null) {
-    environment.etc."hyprland-theme-init".source = "${config.theming._hyprland-theme-init}/bin/hyprland-theme-init";
-
-    environment.extraInit = ''
-      export XCURSOR_THEME='${config.theming.cursor.theme}'
-      export XCURSOR_SIZE=${toString (builtins.floor (config.theming.cursor.size * config.theming.cursor.x-scaling))}
-    '';
+    in
+      lib.concatStringsSep "\n" [
+        ''
+          export XCURSOR_THEME='${config.theming.cursor.theme}'
+          export XCURSOR_SIZE=${toString (builtins.floor (config.theming.cursor.size * config.theming.cursor.x-scaling))}
+        ''
+        cursorThemeInit
+      ];
   };
 }