path: root/nixos/modules/nixvim/keymaps.nix

{ config, lib, ... }: {
  programs.nixvim = {
    globals = {
      mapleader = "\\";
      maplocalleader = "\\";
    };

    keymaps = let
      normal =
        lib.mapAttrsToList
        (key: action: {
          mode = "n";
          inherit action key;
        })
        {
          # Open Neotree
          "<leader>n" = ":Neotree<CR>";

          # Esc to clear search results
          "<esc>" = ":noh<CR>";

          # fix Y behaviour
          Y = "y$";

          # back and fourth between the two most recent files
          "<C-c>" = ":b#<CR>";

          # close by Ctrl+x
          "<C-x>" = ":close<CR>";

          # save by \+s or Ctrl+s
          "<leader>s" = ":w<CR>";
          "<C-s>" = ":w<CR>";

          # navigate windows
          "<leader>h" = "<C-w>h";
          "<leader>j" = "<C-w>j";
          "<leader>k" = "<C-w>k";
          "<leader>l" = "<C-w>l";

          # Press 'H', 'L' to jump to start/end of a line (first/last character)
          # L = "$";
          # H = "^";

          # resize with arrows
          "<C-Up>" = ":resize -2<CR>";
          "<C-Down>" = ":resize +2<CR>";
          "<C-Left>" = ":vertical resize +2<CR>";
          "<C-Right>" = ":vertical resize -2<CR>";

          # move current line up/down
          # M = Alt key
          "<M-k>" = ":move-2<CR>";
          "<M-j>" = ":move+<CR>";
        };
      visual =
        lib.mapAttrsToList
        (key: action: {
          mode = "v";
          inherit action key;
        })
        {
          # move selected line / block of text in visual mode
          "K" = ":m '<-2<CR>gv=gv";
          "J" = ":m '>+1<CR>gv=gv";
        };
    in
      config.nixvim.helpers.keymaps.mkKeymaps
      {options.silent = true;}
      (normal ++ visual);
  };
}