nixpkgs/nixos/modules/i18n/inputMethod/ibus.nix

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2016-02-10 07:10:35 +00:00
{ config, pkgs, lib, ... }:
with lib;
let
cfg = config.i18n.inputMethod.ibus;
ibusPackage = pkgs.ibus-with-plugins.override { plugins = cfg.engines; };
ibusEngine = types.package // {
name = "ibus-engine";
check = x: (lib.types.package.check x) && (attrByPath ["meta" "isIbusEngine"] false x);
};
in
{
options = {
i18n.inputMethod.ibus = {
engines = mkOption {
type = with types; listOf ibusEngine;
default = [];
example = literalExample "with pkgs.ibus-engines; [ mozc hangul ]";
description = ''
Enabled IBus engines.
Available engines can be found by running `nix-env "<nixpkgs>" . -qaP -A ibus-engines`.
'';
};
};
};
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config = mkIf (config.i18n.inputMethod.enabled == "ibus") {
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# Without dconf enabled it is impossible to use IBus
environment.systemPackages = [ ibusPackage pkgs.gnome3.dconf ];
gtkPlugins = [ pkgs.ibus ];
qtPlugins = [ pkgs.ibus-qt ];
environment.variables = {
GTK_IM_MODULE = "ibus";
QT_IM_MODULE = "ibus";
XMODIFIERS = "@im=ibus";
};
services.xserver.displayManager.sessionCommands = "${ibusPackage}/bin/ibus-daemon --daemonize --xim --cache=none";
};
}