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// Copyright (C) 2026 Danilo M. <danix@danix.xyz>
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License version 2 as
// published by the Free Software Foundation.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
import Quickshell
import Quickshell.Io
import QtQuick
import "../.."
import "Fonts.js" as F
import "../hyprland/Hypr.js" as H
// One pixel size for the desktop, and where a system needs its own, an
// override. Saved as ~/.config/keystone/fonts.json, then written into each
// system in its own unit: Theme.fontSize reads the json itself; qt5ct/qt6ct
// and the GTK settings files are edited in place, size only; kitty, rofi
// and hyprlock read generated files under ~/.config/keystone that their
// configs include over designed fallbacks; the groupbar is a keystone.lua
// line. unified-desktop-theme no longer sets the Qt and GTK sizes, so a
// re-install does not undo this page.
Module {
id: fm
name: "fonts"
label: "Fonts"
// nf-fa-font, present in Inconsolata Nerd Font.
icon: ""
settings: true
group: "Appearance"
dirty: fm.touched
keywords: ["font", "size", "text", "px", "pt", "qt6ct", "gtk", "kitty", "rofi", "hyprlock", "groupbar", "scale"]
readonly property string home: Quickshell.env("HOME")
readonly property string config: Quickshell.env("XDG_CONFIG_HOME") || fm.home + "/.config"
readonly property var paths: ({
model: fm.config + "/keystone/fonts.json",
qt6: fm.config + "/qt6ct/qt6ct.conf",
qt5: fm.config + "/qt5ct/qt5ct.conf",
gtk3: fm.config + "/gtk-3.0/settings.ini",
gtk4: fm.config + "/gtk-4.0/settings.ini",
gtk2: fm.home + "/.gtkrc-2.0",
kittyConf: fm.config + "/kitty/kitty.conf",
kitty: fm.config + "/keystone/kitty-fonts.conf",
rofi: fm.config + "/keystone/rofi-fonts.rasi",
hyprlockConf: fm.config + "/hypr/hyprlock.conf",
hyprlock: fm.config + "/keystone/hyprlock-fonts.conf",
keystone: fm.config + "/hypr/sections/keystone.lua",
})
// key -> text as last read or written: FileView.text() lags setText().
property var texts: ({})
// Bumped on every load, so bindings over texts recompute.
property int version: 0
property var rofiEntries: []
property real groupbarNow: 0
readonly property var hyprlockEntries: { fm.version; return F.hyprlockEntries(fm.texts.hyprlockConf ?? ""); }
// What the files say now, in px, for the first model.
function now() {
const t = fm.texts;
const pt = (v) => v === null ? null : F.toPx(v);
return {
quickshell: Theme.fontSize,
qt: pt(F.qtPt(t.qt6 ?? "")),
gtk: pt(F.gtkPt(t.gtk3 ?? "")),
kitty: pt(F.kittyPt(t.kitty ?? "") ?? F.kittyPt(t.kittyConf ?? "")),
groupbar: fm.groupbarNow || null,
rofi: fm.rofiEntries.length ? F.toPx(Math.min.apply(null, fm.rofiEntries.map(e => e.pt))) : null,
hyprlock: fm.hyprlockEntries.length ? F.toPx(Math.min.apply(null, fm.hyprlockEntries.map(e => e.pt))) : null,
};
}
readonly property var saved: { fm.version; return F.parseModel(fm.texts.model ?? "") ?? F.seed(fm.now()); }
property var draft: ({ base: 16, override: {} })
// A reload replaces the draft only while it holds no edits.
onSavedChanged: if (!fm.touched) fm.draft = fm.saved
property bool touched: false
property string notice: ""
property string error: ""
function setBase(px) { fm.touched = true; fm.draft = { base: px, override: fm.draft.override }; }
function setOverride(id, px) { fm.touched = true; fm.draft = F.withOverride(fm.draft, id, px); }
function discard() { fm.touched = false; fm.draft = fm.saved; fm.error = ""; }
function refresh() {
for (const v of views.instances) v.reload();
rofiProc.running = false;
rofiProc.running = true;
groupbarProc.running = false;
groupbarProc.running = true;
}
property Variants views: Variants {
model: Object.keys(fm.paths)
FileView {
required property string modelData
path: fm.paths[modelData]
atomicWrites: true
watchChanges: true
printErrors: false
onFileChanged: reload()
onLoaded: { fm.texts[modelData] = text(); fm.version++; }
onLoadFailed: { fm.texts[modelData] = ""; fm.version++; }
}
}
function write(key, t) {
if (t === null || t === (fm.texts[key] ?? null)) return;
const v = fm.views.instances.find(x => x.modelData === key);
fm.texts[key] = t;
v.setText(t);
}
// The designed sizes: every var(kf-..., "...") in the udt rofi files.
property Process rofiProc: Process {
command: ["sh", "-c", 'cat "$1"/*.rasi', "sh", fm.config + "/rofi/udt"]
stdout: StdioCollector { onStreamFinished: { fm.rofiEntries = F.rofiEntries([this.text]); fm.version++; } }
}
property Process groupbarProc: Process {
command: ["hyprctl", "getoption", "group:groupbar:font_size", "-j"]
stdout: StdioCollector {
onStreamFinished: { try { fm.groupbarNow = JSON.parse(this.text).int; } catch (e) {} }
}
}
function save() {
const m = fm.draft;
const skipped = [];
const edit = (key, f, what) => {
const t = fm.texts[key] ?? "";
if (t === "") return;
const n = f(t);
if (n === null) skipped.push(what); else fm.write(key, n);
};
const qt = F.toPt(F.size(m, "qt")), gtk = F.toPt(F.size(m, "gtk"));
edit("qt6", t => F.setQt(t, qt), "qt6ct.conf");
edit("qt5", t => F.setQt(t, qt), "qt5ct.conf");
for (const k of ["gtk3", "gtk4", "gtk2"]) edit(k, t => F.setGtk(t, gtk), k);
Quickshell.execDetached(["gsettings", "set", "org.gnome.desktop.interface", "font-name",
F.gtkFamily(fm.texts.gtk3 ?? "") + " " + F.round(gtk)]);
const kitty = F.kittyFile(m);
const kittyChanged = kitty !== fm.texts.kitty;
fm.write("kitty", kitty);
// SIGUSR1 is kitty's reload-config, sent to the kitty processes only.
if (kittyChanged) Quickshell.execDetached(["pkill", "-USR1", "-x", "kitty"]);
if (fm.rofiEntries.length) fm.write("rofi", F.rofiFile(m, fm.rofiEntries));
if (fm.hyprlockEntries.length) fm.write("hyprlock", F.hyprlockFile(m, fm.hyprlockEntries));
// ponytail: keystone.lua is also the Options page's; a save on both at
// the same moment could drop one line. Hyprland autoreloads on it.
if (fm.texts.keystone !== undefined)
fm.write("keystone", H.override(fm.texts.keystone, "group:groupbar:font_size", String(Math.round(F.size(m, "groupbar")))));
fm.write("model", JSON.stringify(m, null, 2) + "\n");
fm.touched = false;
fm.version++;
fm.error = skipped.length ? "No font size found in " + skipped.join(", ") + "; left alone." : "";
fm.notice = "Saved. Qt apps pick it up when they start.";
}
page: Component {
Page {
title: "Fonts"
actions: Component {
SaveBar {
dirty: fm.dirty
notice: fm.notice
error: fm.error
onSave: fm.save()
onDiscard: fm.discard()
}
}
FontsPage { width: parent.width; fonts: fm }
}
}
}
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