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fix(overlay): handle X11 display scaling across monitors (#193)

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This commit is contained in:
Kyle Yasuda
2026-08-11 22:24:01 -07:00
committed by GitHub
parent ee25536d90
commit 57ddd19953
14 changed files with 272 additions and 37 deletions
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src/core/utils/electron-backend.ts
+36 -2
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@@ -4,6 +4,9 @@ import { isSupportedWaylandCompositor } from '../../shared/mpv-x11-backend';
const logger = createLogger('core:electron-backend');
export const X11_ELECTRON_BOOTSTRAP_ENV = 'SUBMINER_X11_BOOTSTRAPPED';
const X11_ELECTRON_OZONE_ARG = '--ozone-platform=x11';
function getElectronOzonePlatformHint(env: NodeJS.ProcessEnv = process.env): string | null {
const hint = env.ELECTRON_OZONE_PLATFORM_HINT?.trim().toLowerCase();
if (hint) return hint;
@@ -24,11 +27,42 @@ function getElectronOzonePlatformHint(env: NodeJS.ProcessEnv = process.env): str
* Electron Wayland backend is unsupported); the Hyprland/Sway case is left untouched so
* {@link enforceUnsupportedWaylandMode} can report it.
*/
export function shouldForceX11ElectronBackend(env: NodeJS.ProcessEnv = process.env): boolean {
if (process.platform !== 'linux') return false;
export function shouldForceX11ElectronBackend(
env: NodeJS.ProcessEnv = process.env,
platform: NodeJS.Platform = process.platform,
): boolean {
if (platform !== 'linux') return false;
return !isSupportedWaylandCompositor(env);
}
export function resolveX11ElectronRelaunchArgs(
args: string[],
env: NodeJS.ProcessEnv = process.env,
platform: NodeJS.Platform = process.platform,
): string[] | null {
if (!shouldForceX11ElectronBackend(env, platform)) return null;
if (env[X11_ELECTRON_BOOTSTRAP_ENV] === '1') return null;
const retainedArgs: string[] = [];
let alreadyForced = false;
for (let index = 0; index < args.length; index += 1) {
const arg = args[index];
if (arg === '--ozone-platform') {
const value = args[index + 1];
alreadyForced = value?.trim().toLowerCase() === 'x11';
if (value && !value.startsWith('--')) index += 1;
continue;
}
if (arg?.startsWith('--ozone-platform=')) {
alreadyForced = arg.slice('--ozone-platform='.length).trim().toLowerCase() === 'x11';
continue;
}
if (arg) retainedArgs.push(arg);
}
return alreadyForced ? null : [...retainedArgs, X11_ELECTRON_OZONE_ARG];
}
export function forceX11Backend(args: CliArgs): void {
if (!shouldStartApp(args)) return;
if (!shouldForceX11ElectronBackend()) return;