nixpkgs/nixos/modules/i18n/input-method/ibus.nix
Pierre Bourdon 67d1cf4707
nixos/ibus: do not default-install ibus-qt
ibus-qt has not seen a release in 5 years and is only relevant for Qt
4.x, which is becoming more and more rare. Using my current laptop as a
data point, ibus-qt is the only dependency left that drags in qt-4.8.7.
2019-08-10 19:37:12 +02:00

68 lines
1.9 KiB
Nix

{ 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);
};
impanel =
if cfg.panel != null
then "--panel=${cfg.panel}"
else "";
ibusAutostart = pkgs.writeTextFile {
name = "autostart-ibus-daemon";
destination = "/etc/xdg/autostart/ibus-daemon.desktop";
text = ''
[Desktop Entry]
Name=IBus
Type=Application
Exec=${ibusPackage}/bin/ibus-daemon --daemonize --xim ${impanel}
'';
};
in
{
options = {
i18n.inputMethod.ibus = {
engines = mkOption {
type = with types; listOf ibusEngine;
default = [];
example = literalExample "with pkgs.ibus-engines; [ mozc hangul ]";
description =
let
enginesDrv = filterAttrs (const isDerivation) pkgs.ibus-engines;
engines = concatStringsSep ", "
(map (name: "<literal>${name}</literal>") (attrNames enginesDrv));
in
"Enabled IBus engines. Available engines are: ${engines}.";
};
panel = mkOption {
type = with types; nullOr path;
default = null;
example = literalExample "''${pkgs.plasma5.plasma-desktop}/lib/libexec/kimpanel-ibus-panel";
description = "Replace the IBus panel with another panel.";
};
};
};
config = mkIf (config.i18n.inputMethod.enabled == "ibus") {
i18n.inputMethod.package = ibusPackage;
# Without dconf enabled it is impossible to use IBus
environment.systemPackages = with pkgs; [
gnome3.dconf ibusAutostart
];
environment.variables = {
GTK_IM_MODULE = "ibus";
QT_IM_MODULE = "ibus";
XMODIFIERS = "@im=ibus";
};
};
}