dotfiles.nix/home/kakoune.nix

{ pkgs, ... }: {
  home.packages = [ pkgs.kak-lsp ];
  programs.kakoune = {
    enable = true;

    config = {
      autoReload = "yes";

      colorScheme = "tokyonight";

      hooks = [
        {
          name = "BufOpenFile";
          option = ".*";
          commands = "expandtab";
        }
        {
          name = "BufNewFile";
          option = ".*";
          commands = "expandtab";
        }
        {
          name = "WinSetOption";
          option = "filetype=(makefile)";
          commands = "noexpandtab";
        }
        {
          name = "ModuleLoaded";
          option = "smarttab";
          commands = ''
            set-option global softtabstop %opt{indentwidth}
          '';
        }
        {
          name = "WinSetOption";
          option = "filetype=(haskell)";
          commands = ''
            lsp-enable-window
          '';
        }
        {
          name = "WinSetOption";
          option = "filetype=(haskell|nix)";
          commands = ''
            set-option window indentwidth 2
          '';
        }
      ];

      indentWidth = 4;

      keyMappings = [
        {
          key = "<c-a-p>";
          effect = ": fzf-mode<ret>";
          mode = "normal";
          docstring = "Open fzf-mode with ctrl-alt-p";
        }
        {
          key = "<c-p>";
          effect = ": fzf-mode<ret>f<ret>";
          mode = "normal";
          docstring = "Open fzf-mode file dialog with ctrl-p";
        }
        {
          key = "<c-b>";
          effect = ": fzf-mode<ret>b<ret>";
          mode = "normal";
          docstring = "Open fzf-mode buffer dialog with ctrl-b";
        }
      ];

      numberLines.enable = true;
      numberLines.highlightCursor = true;
      numberLines.relative = true;

      scrollOff.columns = 4;
      scrollOff.lines = 2;

      showMatching = true;

      showWhitespace.enable = true;

      ui.enableMouse = true;
    };

    extraConfig = ''
      eval %sh{${pkgs.kak-lsp}/bin/kak-lsp --kakoune -s $kak_session}
    '';

    plugins = with pkgs.kakounePlugins; [
      active-window-kak
      auto-pairs-kak
      fzf-kak
      kak-lsp
      kakboard
      kakoune-state-save
      kakoune-vertical-selection
      pkgs.smarttab-kak
      # needs luar
      pkgs.luar
      tabs-kak
    ];
  };
}