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feat(input): opt-in WebKitGTK focus repaint workaround for Linux (#342, #782) (#884)

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* feat(input): opt-in WebKitGTK focus repaint workaround for Linux (#342, #782)

Some Linux users on WebKitGTK 2.50.x report a freeze when clicking
text fields: the field receives focus (right-click paste still works)
but the canvas never redraws until the window is resized. Likely a
layer-flush / composition scheduling bug in 2.50.x's Skia rendering
pipeline.

Off by default. When enabled in Settings -> System -> Behavior, every
input/textarea focus triggers a sync reflow read plus a one-frame
translateZ(0) toggle on the input's parent so WebKit re-evaluates the
layer tree. Side-effect: search-icon siblings flicker briefly on
focus -- accepted trade-off, only paid by users who opt in.

The toggle row is gated on IS_LINUX and sits next to the existing
Linux WebKitGTK options. The effect subscribes to the auth store and
re-attaches the focusin handler whenever the flag flips, so toggling
off cleanly removes the listener.

* i18n(settings): linux input repaint toggle in all locales

Adds linuxWebkitInputForceRepaint label + description across en, de,
fr, es, nl, nb, ro, zh, ru.

* docs(release): CHANGELOG and credits for linux input freeze workaround (PR #884)
This commit is contained in:
Frank Stellmacher
2026-05-28 20:01:25 +02:00
committed by GitHub
parent 9fa086c428
commit 403979b35d
16 changed files with 77 additions and 0 deletions
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src/locales/en/settings.ts
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@@ -228,6 +228,8 @@ export const settings = {
useCustomTitlebarDesc: 'Replace the system title bar with a built-in one that matches the app theme. Disable to use the native GNOME/GTK title bar.',
linuxWebkitSmoothScroll: 'Smooth wheel (Linux)',
linuxWebkitSmoothScrollDesc: 'On: inertial scroll. Off: line-by-line, GTK-style.',
linuxWebkitInputForceRepaint: 'Repaint inputs on focus (Linux)',
linuxWebkitInputForceRepaintDesc: 'Workaround for WebKitGTK 2.50.x where text fields freeze when clicked. Search icons flicker briefly on focus.',
linuxWaylandTextRender: 'Wayland text rendering (Linux)',
linuxWaylandTextRenderDesc:
'Font smoothing in the UI updates immediately. WebKit hardware acceleration (sharp / GPU presets) is saved and applied on the next app start — changing it live can freeze WebKitGTK on some setups.',