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fix(window): keep Linux window opaque so it can't turn invisible (#3682) (#4904)

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On Linux the window was created fully transparent to draw rounded corners
(#1982), but on WebKitGTK a transparent window composites as transparent
whenever its web process is too busy to repaint damaged regions (for example
during a library backup). Interacting with the app then makes it appear to
turn invisible, showing the desktop through the window.

Make the window opaque everywhere: the main window in lib.rs and the
reader/extra windows in nav.ts. Drop the rounded-window treatment
(hasRoundedWindow=false) so no rounded 1px border floats on the now square
opaque window, and give the Linux loading placeholders a solid background.
An opaque window retains its last painted frame instead of going invisible;
the tradeoff is square corners on Linux.

Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
This commit is contained in:
Huang Xin
2026-07-03 04:41:26 +09:00
committed by GitHub
parent 84c5a9dae6
commit 4b2c5f93ab
7 changed files with 172 additions and 8 deletions
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apps/readest-app/src/services/nativeAppService.ts
+4 -1
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@@ -557,7 +557,10 @@ export class NativeAppService extends BaseAppService {
override hasWindow = !(OS_TYPE === 'ios' || OS_TYPE === 'android');
override hasWindowBar = !(OS_TYPE === 'ios' || OS_TYPE === 'android');
override hasContextMenu = !(OS_TYPE === 'ios' || OS_TYPE === 'android');
override hasRoundedWindow = OS_TYPE === 'linux';
// No desktop platform draws a rounded, transparent window anymore: the Linux
// window is opaque with square corners to avoid the WebKitGTK "turns
// invisible while busy" bug (#3682).
override hasRoundedWindow = false;
override hasSafeAreaInset = OS_TYPE === 'ios' || OS_TYPE === 'android';
override hasHaptics = OS_TYPE === 'ios' || OS_TYPE === 'android';
override hasUpdater =