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author | rnhmjoj <rnhmjoj@inventati.org> | 2018-10-03 16:08:34 +0200 |
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committer | rnhmjoj <rnhmjoj@inventati.org> | 2019-07-26 18:08:04 +0200 |
commit | 171d5c92004c8a8fe65ff7dbf01d904b421edf1e (patch) | |
tree | 02dcf33e5b3998198491120441de82575411e456 | |
parent | e21cb9933be2dec8990b29ed388590067798dad6 (diff) | |
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nixos/xserver: add option to install custom xkb layouts
-rw-r--r-- | nixos/modules/module-list.nix | 1 | ||||
-rw-r--r-- | nixos/modules/services/x11/extra-layouts.nix | 165 | ||||
-rw-r--r-- | pkgs/servers/x11/xorg/overrides.nix | 81 |
3 files changed, 246 insertions, 1 deletions
diff --git a/nixos/modules/module-list.nix b/nixos/modules/module-list.nix index e07fabb348c..3ec081ad052 100644 --- a/nixos/modules/module-list.nix +++ b/nixos/modules/module-list.nix @@ -811,6 +811,7 @@ ./services/web-servers/uwsgi.nix ./services/web-servers/varnish/default.nix ./services/web-servers/zope2.nix + ./services/x11/extra-layouts.nix ./services/x11/colord.nix ./services/x11/compton.nix ./services/x11/unclutter.nix diff --git a/nixos/modules/services/x11/extra-layouts.nix b/nixos/modules/services/x11/extra-layouts.nix new file mode 100644 index 00000000000..5523dd2bf02 --- /dev/null +++ b/nixos/modules/services/x11/extra-layouts.nix @@ -0,0 +1,165 @@ +{ config, lib, pkgs, ... }: + +with lib; + +let + layouts = config.services.xserver.extraLayouts; + + layoutOpts = { + options = { + description = mkOption { + type = types.str; + description = "A short description of the layout."; + }; + + languages = mkOption { + type = types.listOf types.str; + description = + '' + A list of languages provided by the layout. + (Use ISO 639-2 codes, for example: "eng" for english) + ''; + }; + + compatFile = mkOption { + type = types.nullOr types.path; + default = null; + description = '' + The path to the xkb compat file. + This file sets the compatibility state, used to preserve + compatibility with xkb-unaware programs. + It must contain a <literal>xkb_compat "name" { ... }</literal> block. + ''; + }; + + geometryFile = mkOption { + type = types.nullOr types.path; + default = null; + description = '' + The path to the xkb geometry file. + This (completely optional) file describes the physical layout of + keyboard, which maybe be used by programs to depict it. + It must contain a <literal>xkb_geometry "name" { ... }</literal> block. + ''; + }; + + keycodesFile = mkOption { + type = types.nullOr types.path; + default = null; + description = '' + The path to the xkb keycodes file. + This file specifies the range and the interpretation of the raw + keycodes sent by the keyboard. + It must contain a <literal>xkb_keycodes "name" { ... }</literal> block. + ''; + }; + + symbolsFile = mkOption { + type = types.nullOr types.path; + default = null; + description = '' + The path to the xkb symbols file. + This is the most important file: it defines which symbol or action + maps to each key and must contain a + <literal>xkb_symbols "name" { ... }</literal> block. + ''; + }; + + typesFile = mkOption { + type = types.nullOr types.path; + default = null; + description = '' + The path to the xkb types file. + This file specifies the key types that can be associated with + the various keyboard keys. + It must contain a <literal>xkb_types "name" { ... }</literal> block. + ''; + }; + + }; + }; + +in + +{ + + ###### interface + + options.services.xserver = { + extraLayouts = mkOption { + type = types.attrsOf (types.submodule layoutOpts); + default = {}; + example = literalExample + '' + { + mine = { + description = "My custom xkb layout."; + languages = [ "eng" ]; + symbolsFile = /path/to/my/layout; + }; + } + ''; + description = '' + Extra custom layouts that will be included in the xkb configuration. + Information on how to create a new layout can be found here: + <link xlink:href="https://www.x.org/releases/current/doc/xorg-docs/input/XKB-Enhancing.html#Defining_New_Layouts"></link>. + For more examples see + <link xlink:href="https://wiki.archlinux.org/index.php/X_KeyBoard_extension#Basic_examples"></link> + ''; + }; + + }; + + ###### implementation + + config = mkIf (layouts != { }) { + + # We don't override xkeyboard_config directly to + # reduce the amount of packages to be recompiled. + # Only the following packages are necessary to set + # a custom layout anyway: + nixpkgs.overlays = lib.singleton (self: super: { + + xkb_patched = self.xorg.xkeyboardconfig_custom { + layouts = config.services.xserver.extraLayouts; + }; + + xorg = super.xorg // { + xorgserver = super.xorg.xorgserver.overrideAttrs (old: { + configureFlags = old.configureFlags ++ [ + "--with-xkb-bin-directory=${self.xorg.xkbcomp}/bin" + "--with-xkb-path=${self.xkb_patched}/share/X11/xkb" + ]; + }); + + setxkbmap = super.xorg.setxkbmap.overrideAttrs (old: { + postInstall = + '' + mkdir -p $out/share + ln -sfn ${self.xkb_patched}/etc/X11 $out/share/X11 + ''; + }); + + xkbcomp = super.xorg.xkbcomp.overrideAttrs (old: { + configureFlags = "--with-xkb-config-root=${self.xkb_patched}/share/X11/xkb"; + }); + + }; + + ckbcomp = super.ckbcomp.override { + xkeyboard_config = self.xkb_patched; + }; + + xkbvalidate = super.xkbvalidate.override { + libxkbcommon = self.libxkbcommon.override { + xkeyboard_config = self.xkb_patched; + }; + }; + + }); + + services.xserver.xkbDir = "${pkgs.xkb_patched}/etc/X11/xkb"; + + }; + +} diff --git a/pkgs/servers/x11/xorg/overrides.nix b/pkgs/servers/x11/xorg/overrides.nix index 1da5c31c25f..80b0addd6ec 100644 --- a/pkgs/servers/x11/xorg/overrides.nix +++ b/pkgs/servers/x11/xorg/overrides.nix @@ -1,7 +1,7 @@ { abiCompat ? null, stdenv, makeWrapper, fetchurl, fetchpatch, buildPackages, automake, autoconf, gettext, libiconv, libtool, intltool, - freetype, tradcpp, fontconfig, meson, ninja, + freetype, tradcpp, fontconfig, meson, ninja, ed, libGL, spice-protocol, zlib, libGLU, dbus, libunwind, libdrm, mesa, udev, bootstrap_cmds, bison, flex, clangStdenv, autoreconfHook, mcpp, epoxy, openssl, pkgconfig, llvm_6, @@ -423,6 +423,85 @@ self: super: ''; }); + # xkeyboardconfig variant extensible with custom layouts. + # See nixos/modules/services/x11/extra-layouts.nix + xkeyboardconfig_custom = { layouts ? { } }: + let + patchIn = name: layout: + with layout; + with lib; + '' + # install layout files + ${optionalString (compatFile != null) "cp '${compatFile}' 'compat/${name}'"} + ${optionalString (geometryFile != null) "cp '${geometryFile}' 'geometry/${name}'"} + ${optionalString (keycodesFile != null) "cp '${keycodesFile}' 'keycodes/${name}'"} + ${optionalString (symbolsFile != null) "cp '${symbolsFile}' 'symbols/${name}'"} + ${optionalString (typesFile != null) "cp '${typesFile}' 'types/${name}'"} + + # patch makefiles + for type in compat geometry keycodes symbols types; do + if ! test -f "$type/${name}"; then + continue + fi + test "$type" = geometry && type_name=geom || type_name=$type + ${ed}/bin/ed -v $type/Makefile.am <<EOF + /''${type_name}_DATA = + a + ${name} \\ + . + w + EOF + ${ed}/bin/ed -v $type/Makefile.in <<EOF + /''${type_name}_DATA = + a + ${name} \\ + . + w + EOF + done + + # add model description + ${ed}/bin/ed -v rules/base.xml <<EOF + /<\/modelList> + - + a + <model> + <configItem> + <name>${name}</name> + <_description>${layout.description}</_description> + <vendor>${layout.description}</vendor> + </configItem> + </model> + . + w + EOF + + # add layout description + ${ed}/bin/ed -v rules/base.xml <<EOF + /<\/layoutList> + - + a + <layout> + <configItem> + <name>${name}</name> + <_shortDescription>${name}</_shortDescription> + <_description>${layout.description}</_description> + <languageList> + ${concatMapStrings (lang: "<iso639Id>${lang}</iso639Id>\n") layout.languages} + </languageList> + </configItem> + <variantList/> + </layout> + . + w + EOF + ''; + in + self.xkeyboardconfig.overrideAttrs (old: { + buildInputs = old.buildInputs ++ [ automake ]; + postPatch = with lib; concatStrings (mapAttrsToList patchIn layouts); + }); + xload = super.xload.overrideAttrs (attrs: { nativeBuildInputs = attrs.nativeBuildInputs ++ [ gettext ]; }); |