flocon/modules/gui/wezterm.nix

{
  config,
  lib,
  username,
  ...
}: let
  cfg = config.modules.wezterm;
in {
  options = {
    modules.wezterm = {
      enable = lib.mkEnableOption "enable wezterm";
    };
  };
  config = lib.mkIf cfg.enable {
    home-manager.users.${username} = {
      programs.wezterm = {
        enable = true;
        # package = inputs.wezterm.packages.${pkgs.system}.default;
        extraConfig = ''
            local w = require('wezterm')

            local function is_vim(pane)
            return pane:get_user_vars().IS_NVIM == 'true'
            end

            local direction_keys = {
              h = 'Left',
              j = 'Down',
              k = 'Up',
              l = 'Right',
            }

          local function split_nav(resize_or_move, key)
            return {
              key = key,
              mods = resize_or_move == 'resize' and 'META' or 'CTRL',
              action = w.action_callback(function(win, pane)
                  if is_vim(pane) then
                  win:perform_action({
                    SendKey = { key = key, mods = resize_or_move == 'resize' and 'META' or 'CTRL' },
                    }, pane)
                  else
                  if resize_or_move == 'resize' then
                  win:perform_action({ AdjustPaneSize = { direction_keys[key], 3 } }, pane)
                  else
                  win:perform_action({ ActivatePaneDirection = direction_keys[key] }, pane)
                  end
                  end
                  end),
            }
          end

            return {
              enable_wayland = false,
                             front_end = "WebGpu",
                             hide_tab_bar_if_only_one_tab = true,
                             show_new_tab_button_in_tab_bar = false,
                             harfbuzz_features = { "ss01", "ss03" },

                             leader = { key = " ", mods = "CTRL", timeout_milliseconds = 1000 },

                             keys = {
                               {
                                 mods = "LEADER",
                                 key = "-",
                                 action = wezterm.action.SplitVertical { domain = "CurrentPaneDomain" }
                               },
                               {
                                 mods = "LEADER",
                                 key = "=",
                                 action = wezterm.action.SplitHorizontal { domain = "CurrentPaneDomain" }
                               },
                               split_nav('move', 'h'),
                               split_nav('move', 'j'),
                               split_nav('move', 'k'),
                               split_nav('move', 'l'),
                               split_nav('resize', 'h'),
                               split_nav('resize', 'j'),
                               split_nav('resize', 'k'),
                               split_nav('resize', 'l'),
                             },
            }
        '';
      };
    };
  };
}