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| #import "@preview/touying:0.6.1": *
#import themes.metropolis: *
#import "@preview/codly:1.0.0": *
#import "@preview/codly-languages:0.1.8": *
#import "@preview/numbly:0.1.0": numbly
#set page(background: image("nix-wallpaper-nineish.src.svg"))
#set text(font: "Sarasa UI SC")
#set par(first-line-indent: 2em)
#set list(indent: 2em)
#let fake_par = {
v(-1em)
box()
}
#show: codly-init.with()
#codly(zebra-fill: none)
#codly(fill: white.transparentize(50%))
#show raw: text.with(font: "JetBrainsMono NF")
#show: metropolis-theme.with(
aspect-ratio: "16-9",
footer: self => self.info.institution,
config-info(
title: [CJK语言支持困境],
subtitle: [ #h(2em) ——以Steam为例],
author: [Cryolitia],
date: datetime(
year: 2025,
month: 08,
day: 09,
),
institution: [NixOS 社区],
),
config-common(preamble: {
codly(languages: codly-languages)
}),
)
#show: touying-set-config.with(config-colors(
primary: rgb("#4D6FB7"),
primary-light: rgb("#5FB8F2"),
secondary: black.transparentize(100%),
neutral-lightest: black,
neutral-dark: black,
neutral-darkest: black,
))
#set heading(numbering: numbly("{1}.", default: "1.1"))
#title-slide()
#focus-slide[
警告：非线性时间线
]
= 起
什么？2024年了NixOS上的Steam还不能用？
---
== 豆腐块
- #link("https://github.com/NixOS/nixpkgs/issues/178121")
- #link("https://github.com/Jovian-Experiments/Jovian-NixOS/issues/355")
#grid(
columns: (1fr, 1fr),
[#align(center, image("0001.png", width: 80%))],
[#align(center, image("0002.png", width: 80%))],
)
== 字体
=== 文泉驿？
梦回初中
#link("https://wiki.archlinux.org/index.php?title=Steam&oldid=809160")
#align(center, image("0003.png", width: 70%))
#pagebreak()
=== Variable font？
#link("https://github.com/flathub/com.valvesoftware.Steam/issues/1070")
#align(center, image("0004.png", width: 60%))#align(center, image("0005.png", width: 60%))
= 承
上面提到的修复方法怎么都没用？
== 跑起来了……吗？
至少我们知道了如何向Steam提供正确的字体文件
#[
#show raw: text.with(size: 0.8em)
```nix
# pkgs/by-name/st/steam/package.nix
{
extraPkgs ? pkgs: [ ], # extra packages to add to targetPkgs
}:
buildRuntimeEnv {
pname = "steam";
inherit (steam-unwrapped) version meta;
extraPkgs = pkgs: [ steam-unwrapped ] ++ extraPkgs pkgs;
```
```nix
programs.steam.extraPkgs = p: (cfg.extraPackages ++ lib.optionals (prev ? extraPkgs) (prev.extraPkgs p));
```
]
但是？
== 如何证明他实际不能用
=== 找不同
#image("0006.png", width: 100%)
#[
#show raw: text.with(size: 0.5em)
```nix
fontconfig = {
defaultFonts = {
emoji = [
"Source Han Serif SC"
"JetBrainsMono Nerd Font"
"Noto Color Emoji"
];
monospace = [
"Source Han Serif SC"
"Sarasa Mono SC"
"JetBrainsMono Nerd Font Mono"
];
sansSerif = [ "Source Han Serif SC" ];
serif = [ "Source Han Serif SC" ];
};
cache32Bit = true;
};
```
]
=== 俺寻思没问题
#image("0007.png", width: 100%)
#image("0008.png", width: 100%)
=== 再看看？
#align(center, image("0009.png", width: 50%))
== 我文件呢？
#[
#show raw: text.with(size: 0.5em)
```nix
fonts.fontconfig.localConf = ''
<?xml version="1.0"?>
<!DOCTYPE fontconfig SYSTEM "urn:fontconfig:fonts.dtd">
<fontconfig>
<description>Load local customization file</description>
<!-- Load local system customization file -->
<match>
<test name="prgname" compare="contains" ignore-blanks="true">
<string>steam</string>
</test>
<test name="family" compare="eq">
<string>Arial</string>
</test>
<edit binding="same" mode="prepend" name="family">
<string>sans-serif</string>
</edit>
</match>
</fontconfig>
``
```
]
`$ strace -f steam:`
`[pid 11930] access("/etc/fonts/local.conf", R_OK) = -1 ENOENT (No such file or directory)`
---
这不是在这吗！
#align(center, image("0010.png", width: 80%))
= 转
盗梦空间
== 解铃还需系铃人
#link("https://github.com/ValveSoftware/steam-for-linux/issues/10422#issuecomment-1944396010")
#align(center, image("0011.png", width: 80%))
== 柳暗花明疑无路
#link("https://github.com/ValveSoftware/steam-for-linux/issues/10915")
#align(center, image("0012.png", width: 90%))
== 层层套娃
- NixOS
- buildFHSEnv
- Steam Linux Runtime
#line(length: 80%)
`/etc/fonts/local.conf` or `.config/fontconfig/fonts.conf`, that is the question.
= 合
愉快的游玩CJK游戏吧！
---
== 合并！
#link("https://github.com/NixOS/nixpkgs/pull/312268")
#[
#show raw: text.with(size: 0.8em)
```nix
fontPackages = lib.mkOption {
type = lib.types.listOf lib.types.package;
default = config.fonts.packages;
defaultText = lib.literalExpression "fonts.packages";
example = lib.literalExpression "with pkgs; [ source-han-sans ]";
description = ''
Font packages to use in Steam.
Defaults to system fonts, but could be overridden to use other fonts — useful for users who would like to customize CJK fonts used in Steam. According to the [upstream issue](https://github.com/ValveSoftware/steam-for-linux/issues/10422#issuecomment-1944396010), Steam only follows the per-user fontconfig configuration.
'';
};
```
]
== 问题看起来完美的解决了！
但是……以后呢……
#align(center, image("0013.png", width: 90%))
`nixpkgs-cjk-maintainer team` 可能性微存
#focus-slide[
完结&提问 \
#line(length: 80%)
#set text(size: 0.8em)
特别感谢 `@CoelacanthusHex` (aka 浅见沙织)的帮助
]
|
