diff options
Diffstat (limited to 'desktop')
| -rw-r--r-- | desktop/modules/monitors/Mon.js | 100 | ||||
| -rw-r--r-- | desktop/modules/monitors/test_mon.js | 70 |
2 files changed, 170 insertions, 0 deletions
diff --git a/desktop/modules/monitors/Mon.js b/desktop/modules/monitors/Mon.js new file mode 100644 index 0000000..9b5e158 --- /dev/null +++ b/desktop/modules/monitors/Mon.js @@ -0,0 +1,100 @@ +.pragma library +// 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. + +// Pure helpers for the Monitors page, tested by test_mon.js under node. +// No String.matchAll, Object.fromEntries or flatMap: the shell's engine has +// none of them (AGENTS.md). + +// Hyprland's automatic positions, as the card offers them. +const AUTO = ["auto", "auto-left", "auto-right", "auto-up", "auto-down", + "auto-center-left", "auto-center-right", "auto-center-up", "auto-center-down"]; + +// availableModes ("1920x1080@120.00Hz") without the suffix, duplicates +// dropped: the ASUS lists 120Hz twice. +function modes(avail) { + const out = []; + for (const a of avail) { + const m = a.replace(/Hz$/, ""); + if (!out.includes(m)) out.push(m); + } + return out; +} + +// The entry of list at w x h with the refresh nearest r: refreshRate reads +// 99.943 against a listed 99.94. Built from the numbers when none matches. +function current(list, w, h, r) { + let best = "", dist = Infinity; + for (const m of list) { + const p = /^(\d+)x(\d+)@([\d.]+)$/.exec(m); + if (!p || +p[1] !== w || +p[2] !== h) continue; + const e = Math.abs(+p[3] - r); + if (e < dist) { dist = e; best = m; } + } + return best || w + "x" + h + "@" + r.toFixed(2); +} + +// A monitor from hyprctl monitors -j as the page edits it. x and y are +// where Hyprland put it, kept to draw an auto position. +function draft(m) { + const list = modes(m.availableModes); + return { name: m.name, make: m.make, model: m.model, modes: list, + mode: current(list, m.width, m.height, m.refreshRate), + scale: String(m.scale), transform: m.transform, vrr: !!m.vrr, + position: m.x + "x" + m.y, x: m.x, y: m.y }; +} + +// Logical size: an odd transform is a quarter turn, scale divides. +function size(mode, scale, transform) { + const p = /^(\d+)x(\d+)/.exec(mode); + let w = +p[1], h = +p[2]; + if (transform % 2) { const t = w; w = h; h = t; } + return { w: w / +scale, h: h / +scale }; +} + +// The layout position: exact XxY, or where Hyprland last put an auto one. +function xy(d) { + const p = /^(-?\d+)x(-?\d+)$/.exec(d.position); + return p ? { x: +p[1], y: +p[2] } : { x: d.x, y: d.y }; +} + +// One monitor as one Lua expression, for hyprctl eval and the file alike. +function lua(d) { + return 'hl.monitor({ output = "' + d.name + '", mode = "' + d.mode + '", position = "' + d.position + + '", scale = "' + d.scale + '", transform = ' + d.transform + (d.vrr ? ", vrr = 1" : "") + " })"; +} + +const HEADER = "-- Monitors, written by the keystone settings window (Hyprland > Monitors).\n" + + "-- Rewritten whole on Keep: change them there, an edit here is replaced.\n"; + +function file(list) { + return HEADER + list.map(d => "\n-- " + d.name + ": " + d.make + " " + d.model + "\n" + lua(d) + "\n").join(""); +} + +// The candidate within t of v nearest to it, else v. +function nearest(v, cands, t) { + let best = v, dist = t; + for (const c of cands) { + if (Math.abs(c - v) <= dist) { dist = Math.abs(c - v); best = c; } + } + return best; +} + +// r ({x, y, w, h}, logical) moved so an edge within t lies on an edge of one +// of others: beside it, or aligned with it. Each axis on its own, rounded. +function snap(r, others, t) { + const xs = [], ys = []; + for (const o of others) { + xs.push(o.x - r.w, o.x + o.w, o.x, o.x + o.w - r.w); + ys.push(o.y - r.h, o.y + o.h, o.y, o.y + o.h - r.h); + } + return { x: Math.round(nearest(r.x, xs, t)), y: Math.round(nearest(r.y, ys, t)) }; +} diff --git a/desktop/modules/monitors/test_mon.js b/desktop/modules/monitors/test_mon.js new file mode 100644 index 0000000..6b12ee7 --- /dev/null +++ b/desktop/modules/monitors/test_mon.js @@ -0,0 +1,70 @@ +// 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. + +// Run: node desktop/modules/monitors/test_mon.js +// Mon.js is a QML library, so its .pragma line is stripped before node +// evaluates it. + +const fs = require("fs"); +const assert = require("assert"); + +const src = fs.readFileSync(__dirname + "/Mon.js", "utf8").replace(/^\.pragma library$/m, ""); +const M = new Function(src + "\nreturn { modes, current, draft, size, xy, lua, file, snap, AUTO };")(); + +// Duplicates collapse, order kept, the Hz suffix dropped. +assert.deepStrictEqual(M.modes(["1920x1080@60.00Hz", "1920x1080@120.00Hz", "1920x1080@120.00Hz", "1280x720@60.00Hz"]), + ["1920x1080@60.00", "1920x1080@120.00", "1280x720@60.00"]); + +// The nearest refresh at the same size, not the first. +const lg = ["2560x1080@59.98", "2560x1080@99.94", "2560x1080@74.99", "1920x1080@99.94"]; +assert.strictEqual(M.current(lg, 2560, 1080, 99.943), "2560x1080@99.94"); +// A mode the list lacks is written from the live numbers. +assert.strictEqual(M.current(lg, 3440, 1440, 60), "3440x1440@60.00"); + +// A hyprctl monitor as a draft. +const asus = { name: "DP-3", make: "ASUS", model: "VG279Q3A", width: 1920, height: 1080, refreshRate: 100, + scale: 1, transform: 1, vrr: false, x: -1080, y: -960, + availableModes: ["1920x1080@100.00Hz", "1920x1080@60.00Hz"] }; +const d = M.draft(asus); +assert.deepStrictEqual([d.mode, d.scale, d.transform, d.vrr, d.position, d.x, d.y], + ["1920x1080@100.00", "1", 1, false, "-1080x-960", -1080, -960]); + +// Logical size: an odd transform swaps, scale divides. +assert.deepStrictEqual(M.size("1920x1080@100.00", "1", 1), { w: 1080, h: 1920 }); +assert.deepStrictEqual(M.size("2560x1440@60.00", "1.25", 0), { w: 2048, h: 1152 }); + +// Exact positions parse, auto ones fall back to where Hyprland put it. +assert.deepStrictEqual(M.xy({ position: "-1080x-960", x: 0, y: 0 }), { x: -1080, y: -960 }); +assert.deepStrictEqual(M.xy({ position: "auto-center-left", x: 5, y: 6 }), { x: 5, y: 6 }); +assert.ok(M.AUTO.includes("auto-center-right")); + +// One line per monitor; vrr only when on. +assert.strictEqual(M.lua(d), + 'hl.monitor({ output = "DP-3", mode = "1920x1080@100.00", position = "-1080x-960", scale = "1", transform = 1 })'); +assert.ok(M.lua(Object.assign({}, d, { vrr: true })).endsWith("transform = 1, vrr = 1 })")); + +// The file: header, then a comment and a line per monitor. +const f = M.file([d]); +assert.ok(f.startsWith("-- Monitors, written by the keystone settings window")); +assert.ok(f.includes("-- DP-3: ASUS VG279Q3A\n" + M.lua(d) + "\n")); + +// Snapping: DP-1 is 2560x1080 at 0,-540. A 1080x1920 monitor dropped with +// its right edge 30px short of DP-1's left edge snaps flush; 200px short +// does not. +const dp1 = [{ x: 0, y: -540, w: 2560, h: 1080 }]; +assert.deepStrictEqual(M.snap({ x: -1110, y: -950, w: 1080, h: 1920 }, dp1, 64), { x: -1080, y: -950 }); +assert.deepStrictEqual(M.snap({ x: -1280, y: -950, w: 1080, h: 1920 }, dp1, 64), { x: -1280, y: -950 }); +// Tops align when close. +assert.deepStrictEqual(M.snap({ x: -1080, y: -520, w: 1080, h: 1920 }, dp1, 64), { x: -1080, y: -540 }); +// Results are integers. +assert.deepStrictEqual(M.snap({ x: -1280.6, y: 3000.4, w: 1080, h: 1920 }, dp1, 64), { x: -1281, y: 3000 }); + +console.log("ok"); |