home-manager/modules/i18n/input-method/ibus.nix

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2024-04-23 20:24:16 +02:00
{ config, pkgs, lib, ... }:
with lib;
let
im = config.i18n.inputMethod;
cfg = im.ibus;
impanel = optionalString (cfg.panel != null) "--panel=${cfg.panel}";
ibusPackage = pkgs.ibus-with-plugins.override { inherit (cfg) engines; };
in
{
options = {
i18n.inputMethod.ibus = {
engines = mkOption {
type = with types; listOf ibusEngine;
default = [ ];
example = literalExpression "with pkgs.ibus-engines; [ mozc hangul ]";
description = ''
Enabled IBus engines.
'';
};
};
panel = mkOption {
type = with types; nullOr path;
default = null;
example = literalExpression ''"''${pkgs.plasma5Packages.plasma-desktop}/libexec/kimpanel-ibus-panel"'';
description = ''
Replace the IBus panel with another panel.
'';
};
};
config = mkIf (im.enabled == "ibus") {
i18n.inputMethod.package = ibusPackage;
home.sessionVariables = {
GLFW_IM_MODULE = "ibus";
GTK_IM_MODULE = "ibus";
QT_IM_MODULE = "ibus";
XMODIFIERS = "@im=ibus";
};
# Without dconf enabled it is impossible to use IBus
programs.dconf.enable = true;
programs.dconf.packages = [ ibusPackage ];
services.dbus.packages = [ ibusPackage ];
xdg.portal.extraPortals = mkIf config.xdg.portal.enable [
ibusPackage
];
systemd.user.services.ibus-daemon = {
Unit = {
Description = "IBus input method editor";
PartOf = [ "graphical-session.target" ];
};
Service = {
ExecStart = "${ibusPackage}/bin/ibus-daemon --replace --xim ${impanel}";
ExecReload = "${ibusPackage}/bin/ibus restart";
ExecStop = "${ibusPackage}/bin/ibus exit";
};
Install.WantedBy = [ "graphical-session.target" ];
};
};
}