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{ 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 ${impanel}
'';
};
in
{
imports = [
(mkRenamedOptionModule [ "programs" "ibus" "plugins" ] [ "i18n" "inputMethod" "ibus" "engines" ])
];
options = {
i18n.inputMethod.ibus = {
engines = mkOption {
type = with types; listOf ibusEngine;
default = [];
example = literalExample "with pkgs.ibus-engines; [ mozc hangul ]";
description =
let
enginesDrv = filterAttrs (const isDerivation) pkgs.ibus-engines;
engines = concatStringsSep ", "
(map (name: "<literal>${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;
environment.systemPackages = [
ibusAutostart
];
# Without dconf enabled it is impossible to use IBus
programs.dconf.enable = true;
programs.dconf.packages = [ ibusPackage ];
services.dbus.packages = [
ibusAutostart
];
environment.variables = {
GTK_IM_MODULE = "ibus";
QT_IM_MODULE = "ibus";
XMODIFIERS = "@im=ibus";
};
xdg.portal.extraPortals = mkIf config.xdg.portal.enable [
ibusPackage
];
};
}
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