e4da1edf8b
Just setting the XKB_CONFIG_ROOT should be enough, so we don't need to rebuild the xserver, xkbcomp and other packages anymore. However, the variable has to be passed explicitely to scripts running at build time: in particular to xkbvalidate and xkb-console-keymap.
136 lines
3.8 KiB
Nix
136 lines
3.8 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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layouts = config.services.xserver.extraLayouts;
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layoutOpts = {
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options = {
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description = mkOption {
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type = types.str;
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description = "A short description of the layout.";
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};
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languages = mkOption {
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type = types.listOf types.str;
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description =
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''
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A list of languages provided by the layout.
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(Use ISO 639-2 codes, for example: "eng" for english)
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'';
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};
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compatFile = mkOption {
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type = types.nullOr types.path;
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default = null;
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description = ''
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The path to the xkb compat file.
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This file sets the compatibility state, used to preserve
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compatibility with xkb-unaware programs.
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It must contain a <literal>xkb_compat "name" { ... }</literal> block.
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'';
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};
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geometryFile = mkOption {
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type = types.nullOr types.path;
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default = null;
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description = ''
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The path to the xkb geometry file.
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This (completely optional) file describes the physical layout of
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keyboard, which maybe be used by programs to depict it.
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It must contain a <literal>xkb_geometry "name" { ... }</literal> block.
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'';
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};
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keycodesFile = mkOption {
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type = types.nullOr types.path;
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default = null;
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description = ''
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The path to the xkb keycodes file.
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This file specifies the range and the interpretation of the raw
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keycodes sent by the keyboard.
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It must contain a <literal>xkb_keycodes "name" { ... }</literal> block.
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'';
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};
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symbolsFile = mkOption {
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type = types.nullOr types.path;
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default = null;
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description = ''
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The path to the xkb symbols file.
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This is the most important file: it defines which symbol or action
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maps to each key and must contain a
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<literal>xkb_symbols "name" { ... }</literal> block.
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'';
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};
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typesFile = mkOption {
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type = types.nullOr types.path;
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default = null;
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description = ''
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The path to the xkb types file.
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This file specifies the key types that can be associated with
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the various keyboard keys.
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It must contain a <literal>xkb_types "name" { ... }</literal> block.
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'';
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};
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};
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};
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xkb_patched = pkgs.xorg.xkeyboardconfig_custom {
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layouts = config.services.xserver.extraLayouts;
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};
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in
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{
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###### interface
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options.services.xserver = {
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extraLayouts = mkOption {
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type = types.attrsOf (types.submodule layoutOpts);
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default = {};
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example = literalExample
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''
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{
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mine = {
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description = "My custom xkb layout.";
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languages = [ "eng" ];
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symbolsFile = /path/to/my/layout;
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};
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}
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'';
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description = ''
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Extra custom layouts that will be included in the xkb configuration.
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Information on how to create a new layout can be found here:
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<link xlink:href="https://www.x.org/releases/current/doc/xorg-docs/input/XKB-Enhancing.html#Defining_New_Layouts"></link>.
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For more examples see
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<link xlink:href="https://wiki.archlinux.org/index.php/X_KeyBoard_extension#Basic_examples"></link>
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'';
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};
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};
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###### implementation
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config = mkIf (layouts != { }) {
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environment.sessionVariables = {
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# runtime override supported by multiple libraries e. g. libxkbcommon
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# https://xkbcommon.org/doc/current/group__include-path.html
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XKB_CONFIG_ROOT = "${xkb_patched}/etc/X11/xkb";
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};
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services.xserver = {
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xkbDir = "${xkb_patched}/etc/X11/xkb";
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exportConfiguration = config.services.xserver.displayManager.startx.enable
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|| config.services.xserver.displayManager.sx.enable;
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};
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};
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}
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