nix/home/desktop/cosmic/default.nix

{pkgs, config, ...}: let
  bind = mods: key: action: {
    modifiers = ["Super"] ++ mods;
    inherit key action;
  };
  _action = type: value: {
    inherit type value;
  };
  Actions = (enum [
      # Close the active window
    "Close"

    # Show a debug overlay if enabled in the compositor build
    "Debug"

    # Disable a default shortcut binding
    "Disable"

    # Change focus to the last workspace
    "LastWorkspace"

    # Maximize the active window
    "Maximize"

    # Migrate the active workspace to the next output
    "MigrateWorkspaceToNextOutput"

    # Migrate the active workspace to the previous output
    "MigrateWorkspaceToPreviousOutput"

    # Minimize the active window
    "Minimize"

    # Move a window to the last workspace
    "MoveToLastWorkspace"

    # Move a window to the next output
    "MoveToNextOutput"

    # Move a window to the next workspace
    "MoveToNextWorkspace"

    # Move a window to the previous output
    "MoveToPreviousOutput"

    # Move a window to the previous workspace
    "MoveToPreviousWorkspace"

    # Change focus to the next output
    "NextOutput"

    # Change focus to the next workspace
    "NextWorkspace"

    # Change focus to the previous output
    "PreviousOutput"

    # Change focus to the previous workspace
    "PreviousWorkspace"

    # Move a window to the last workspace
    "SendToLastWorkspace"

    # Move a window to the next output
    "SendToNextOutput"

    # Move a window to the next workspace
    "SendToNextWorkspace"

    # Move a window to the previous output
    "SendToPreviousOutput"

    # Move a window to the previous workspace
    "SendToPreviousWorkspace"

    # Swap positions of the active window with another
    "SwapWindow"

    # Stop the compositor
    "Terminate"

    # Toggle the orientation of a tiling group
    "ToggleOrientation"

    # Toggle window stacking for the active window
    "ToggleStacking"

    # Toggle the sticky state of the active window
    "ToggleSticky"

    # Toggle tiling mode of the active workspace
    "ToggleTiling"

    # Toggle between tiling and floating window states for the active window
    "ToggleWindowFloating"

  ]) // {

    # Change focus to the window or workspace in the given direction
    "Focus" = FocusDirection: _action "Focus" FocusDirection;
    # Migrate the active workspace to the output in the given direction
    "MigrateWorkspaceToOutput" = Direction: _action "MigrateWorkspaceToOutput" Direction;
    # Move a window in the given direction
    Move = Direction: _action "Move" Direction;
    # Move a window to the given output
    MoveToOutput = Direction: _action "MoveToOutput" Direction;
    # Move a window to the given workspace
    MoveToWorkspace = u8: _action "MoveToWorkspace" u8;
    # Change the orientation of a tiling group
    Orientation = Orientation: _action "Orientation" Orientation;
    # Resize the active window in a given direction
    Resizing = ResizeDirection: _action "Resizing" ResizeDirection;
    # Move a window to the output in the given direction
    SendToOutput = Direction: _action "SendToOutput" Direction;
    # Move a window to the given workspace
    SendToWorkspace = u8: _action "SendToWorkspace" u8;
    # Move to an output in the given direction
    SwitchOutput = Direction: _action "SwitchOutput" Direction;
    # Perform a common system operation
    System = System: _action "System" System;
    # Execute a command with any given arguments
    Spawn = String: _action "Spawn" String;
    # Change focus to the given workspace ID
    Workspace = u8: _action "Workspace" u8;

  };

  Modifiers = enum [
    "Super"
    "Ctrl"
    "Alt"
    "Shift"
  ];

  enum = builtins.foldl' (acc: el: {${el}=el;} // acc) {};

in with Modifiers; {
  programs.cosmic = {
    enable = true;
    defaultKeybindings = false;
    keybindings = [
# Navigation
      (bind [Super]       "h" (Actions.Focus "Left"))
      (bind [Super]       "l" (Actions.Focus "Right"))
      (bind [Super]       "j" (Actions.Focus "Down"))
      (bind [Super]       "k" (Actions.Focus "Up"))
      (bind [Super Shift] "h" (Actions.Move "Left"))
      (bind [Super Shift] "l" (Actions.Move "Right"))
      (bind [Super Shift] "j" (Actions.Move "Down"))
      (bind [Super Shift] "k" (Actions.Move "Up"))

      (bind [Super] "1" (Actions.Workspace 1))
      (bind [Super] "2" (Actions.Workspace 2))
      (bind [Super] "3" (Actions.Workspace 3))
      (bind [Super] "4" (Actions.Workspace 4))
      (bind [Super] "5" (Actions.Workspace 5))
      (bind [Super Shift] "1" (Actions.MoveToWorkspace 1))
      (bind [Super Shift] "2" (Actions.MoveToWorkspace 2))
      (bind [Super Shift] "3" (Actions.MoveToWorkspace 3))
      (bind [Super Shift] "4" (Actions.MoveToWorkspace 4))
      (bind [Super Shift] "5" (Actions.MoveToWorkspace 5))

      (bind [Super]       "Space" Actions.ToggleWindowFloating)
      (bind [Super]       "f" Actions.Maximize)
      (bind [Super]       "m" Actions.Minimize)
      (bind [Super Shift] "x" Actions.Close)

      (bind [Super Shift] "v" Actions.ToggleStacking)
      (bind [Super Shift] "y" Actions.ToggleSticky)
# System
      (bind [Super] "d" (Actions.Spawn config.programs.menu.drunCommand))
      (bind [Super] "Return" (Actions.Spawn "${pkgs.alacritty}/bin/alacritty"))
      (bind [Super] "o" (Actions.System "HomeFolder"))
      (bind [Super Shift] "s" (Actions.Spawn "cosmic-screenshot"))
    ];
    background = {
      displays = {
        all = {
          source = ../../../images/nier2.jpg;
        };
      };
    };
    panels = {
      Panel = {
        applets = {
          start = [ "com.system76.CosmicAppletWorkspaces" ];
          center = [ "com.system76.CosmicAppList" ];
          end = [
            "com.system76.CosmicAppletTime"
            "com.system76.CosmicAppletAudio"
            "com.system76.CosmicAppletNotifications"
            "com.system76.CosmicAppletMinimize"
            "com.system76.CosmicAppletPower"
          ];
        };
      };
    };
    settings = {
      "com.system76.CosmicComp".options = {
        autotile = true;
        active_hint = true;
        focus_follows_cursor = true;
        focus_follows_cursor_delay = 0;
        cursor_follows_focus = true;
      };
    };
  };
}