nixeovim/modules/input.nix

49 lines
1.5 KiB
Nix

{ config, lib, ... }:
let
cfg = config.input;
disableKeymaps = mode: lhss: lib.flip map lhss (lhs: { inherit mode lhs; rhs = "<nop>"; });
in
{
options.input = with lib; with types; {
leader = mkOption {
type = str;
default = ''\'';
apply = x: assert (builtins.stringLength x == 1 || abort "<Leader> `${x}` is longer than one character is not allowed"); x;
};
localLeader = mkOption {
type = str;
default = ''\'';
apply = x: assert (builtins.stringLength x == 1 || abort "<LocalLeader> `${x}` is longer than one character is not allowed"); x;
};
exMode.enable = (mkEnableOption "Ex mode") // { default = true; };
arrowKeys = {
disableInMode = mkOption {
type = oneOf [ str (uniq (listOf str)) ];
default = [ "n" "v" ];
};
};
pageButtons = {
disableInMode = mkOption {
type = oneOf [ str (uniq (listOf str)) ];
default = [ "n" "v" "i" ];
};
};
};
config = {
vim.g.mapleader = cfg.leader;
vim.keymap.set =
# Disable the annoying and useless ex-mode
lib.optionals (!cfg.exMode.enable) (disableKeymaps "n" [ "Q" "gQ" ])
# Disable arrow keys
++ lib.optionals (cfg.arrowKeys.disableInMode != [ ])
(disableKeymaps cfg.arrowKeys.disableInMode [ "<Up>" "<Down>" "<Left>" "<Right>" ])
# Disable PageUp / PageDown
++ lib.optionals (cfg.pageButtons.disableInMode != [ ])
(disableKeymaps cfg.pageButtons.disableInMode [ "<PageUp>" "<PageDown>" ]);
};
}