nixos-config/home-manager/modules/sway.nix

{
  pkgs,
  nixosConfig,
  lib,
  ...
}:
let
  lockCmd = "${pkgs.gtklock}/bin/gtklock";
in
{
  wayland.windowManager.sway = {
    enable = true;
    wrapperFeatures.gtk = true;

    # Sway can't find wallpaper.jpg and failes to build
    # https://discourse.nixos.org/t/sway-fails-with-cannot-create-gles2-renderer-after-update/45703/2
    checkConfig = false;

    config = {
      modifier = "Mod4";
      focus.followMouse = false;

      input = {
        "type:keyboard" = {
          xkb_layout = "eu";
        };
        "type:mouse" = {
          pointer_accel = "-1";
        };
        "type:touchpad" = {
          tap = "enabled";
        };
      };
      output =
        {
          "*".bg = "/etc/nixos/wallpaper.jpg fill";
        }
        // lib.optionalAttrs (nixosConfig.networking.hostName == "cray") {
          "DP-1" = {
            mode = "3840x2160";
            scale = "1.3";
            position = "0,0";
          };
          "DP-3" = {
            mode = "3840x2160";
            scale = "1.3";
            position = "2953,0";
          };
        };

      gaps = {
        inner = 5;
      };
      window.border = 2;
      window.hideEdgeBorders = "smart";
      workspaceAutoBackAndForth = true;
      terminal = "foot";

      colors = {
        focused = {
          border = "#4c7899";
          background = "#285577";
          text = "#ffffff";
          indicator = "#2e9ef4";
          childBorder = "#285577";
        };
        focusedInactive = {
          border = "#333333";
          background = "#5f676a";
          text = "#ffffff";
          indicator = "#484e50";
          childBorder = "#5f676a";
        };
        unfocused = {
          border = "#333333";
          background = "#222222";
          text = "#888888";
          indicator = "#292d2e";
          childBorder = "#900000";
        };
        urgent = {
          border = "#2f343a";
          background = "#900000";
          text = "#ffffff";
          indicator = "#900000";
          childBorder = "#900000";
        };
        placeholder = {
          border = "#000000";
          background = "#0c0c0c";
          text = "#ffffff";
          indicator = "#000000";
          childBorder = "#0c0c0c";
        };
      };

      bars = [{ command = "${pkgs.waybar}/bin/waybar"; }];

      startup = [
        { command = "${pkgs.swaynotificationcenter}/bin/swaync"; }
        {
          command = ''
            ${pkgs.swayidle}/bin/swayidle -w \
                                       timeout 600 "${lockCmd}" \
                                       timeout 900 "${pkgs.sway}/bin/swaymsg output * dpms off" \
                                            resume "${pkgs.sway}/bin/swaymsg output * dpms on" \
                                       before-sleep "${lockCmd}"'';
        }
      ];

      keybindings =
        let
          mod = "Mod4";
          pactl = "${pkgs.pulseaudio}/bin/pactl";
          playerctl = "${pkgs.playerctl}/bin/playerctl";
        in
        {
          "${mod}+Return" = "exec foot";
          "${mod}+p" = "exec ${pkgs.nwg-drawer}/bin/nwg-drawer";

          "${mod}+Shift+c" = "reload";
          "${mod}+Shift+q" = "kill";
          "${mod}+Shift+e" =
            "exec swaynag -t warning -m 'You pressed the exit shortcut. Do you really want to exit sway? This will end your Wayland session.' -b 'Yes, exit sway' 'swaymsg exit'";
          "${mod}+x" = "move workspace to output right";
          "${mod}+n" = "exec ${pkgs.swaynotificationcenter}/bin/swaync-client -t";

          "${mod}+h" = "focus left";
          "${mod}+j" = "focus down";
          "${mod}+k" = "focus up";
          "${mod}+l" = "focus right";

          "${mod}+Shift+h" = "move left";
          "${mod}+Shift+j" = "move down";
          "${mod}+Shift+k" = "move up";
          "${mod}+Shift+l" = "move right";

          "${mod}+s" = "split v";
          "${mod}+w" = "split h";

          "${mod}+t" = "layout tabbed";
          "${mod}+r" = "mode resize";

          "${mod}+f" = "fullscreen toggle";
          "${mod}+Shift+space" = "floating toggle";

          "${mod}+1" = "workspace 1";
          "${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";

          "${mod}+Shift+1" = "move container to workspace 1";
          "${mod}+Shift+2" = "move container to workspace 2";
          "${mod}+Shift+3" = "move container to workspace 3";
          "${mod}+Shift+4" = "move container to workspace 4";
          "${mod}+Shift+5" = "move container to workspace 5";
          "${mod}+Shift+6" = "move container to workspace 6";
          "${mod}+Shift+7" = "move container to workspace 7";
          "${mod}+Shift+8" = "move container to workspace 8";
          "${mod}+Shift+9" = "move container to workspace 9";
          "${mod}+Shift+0" = "move container to workspace 10";

          ## MacroPad
          # Print, Pause, AudioRaiseVolume
          "Print" = "exec grimshot save area";
          "Pause" = "exec systemctl suspend";
          "XF86AudioRaiseVolume" = "exec ${pactl} set-sink-volume @DEFAULT_SINK@ +5%";
          # Tools, AudioMute, AudioLowerVolume
          "XF86Tools" = "exec ${lockCmd}";
          "XF86AudioMute" = "exec ${pactl} set-sink-mute @DEFAULT_SINK@ toggle";
          "XF86AudioLowerVolume" = "exec ${pactl} set-sink-volume @DEFAULT_SINK@ -5%";

          # AudioPrev, AudioPlay, AudioNext
          "XF86AudioNext" = "exec ${playerctl} next";
          "XF86AudioPlay" = "exec ${playerctl} play-pause";
          "XF86AudioPrev" = "exec ${playerctl} previous";

          # Laptop Brightness controll
          "XF86MonBrightnessUp" = "exec ${pkgs.brightnessctl}/bin/brightnessctl set +10%";
          "XF86MonBrightnessDown" = "exec ${pkgs.brightnessctl}/bin/brightnessctl set 10%-";

          # Lockscreen on laptop without macropad
          "Control+Escape" = "exec ${lockCmd}";

        };

    };
    extraConfig = ''
      # Display window as floating. Find out wayland app_id with "swaymsg -t get_tree | jq '.' | grep app_id" and xorg class with xprop
      # mostly stolen from https://github.com/madic-creates/Sway-DE/blob/master/config/sway/sway.d/06_floating.conf
      for_window [app_id = "floating"] floating enable
      for_window [app_id = "floating_update"] floating enable, resize set width 1000px height 600px
      for_window [app_id = "firefox" title="Library"] floating enable, border pixel 1, sticky enable
      for_window [title = "Extension: (Bitwarden Password Manager) - Bitwarden — Mozilla Firefox"] floating enable
      for_window [app_id = "wdisplays"] floating enable, resize set width 1150px height 480px
      for_window [class = "(?i)pinentry"] floating enable
      for_window [title = "(?:Open|Save) (?:File|Folder|As)"] floating enable, resize set width 1030 height 710
      for_window [title = "About Mozilla Firefox"] floating enable
      for_window [title = "Firefox - Choose User Profile" ] floating enable
      for_window [title = "Firefox — Sharing Indicator"] floating enable
      for_window [window_role = "GtkFileChooserDialog"] resize set 590 340
      for_window [window_role = "bubble"] floating enable
      for_window [window_role = "dialog"] floating enable
      for_window [window_role = "pop-up"] floating enable
      for_window [window_role = "task_dialog"] floating enable
      for_window [window_type = "dialog"] floating enable
      for_window [window_type = "menu"] floating enable

      # Tag xwayland windows with [X]
      for_window [shell="xwayland"] title_format "<span>[X] %title゜</span>"
    '';
  };

}