Keyboard input sometimes not working #2

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nevaforget · 2026-04-06T19:46:26+02:00

nevaforget commented

2026-04-06 19:46:26 +02:00

Occasionally after startup, keyboard input does not register in the password entry. Wildly typing sometimes resolves it, suggesting a timing/race condition rather than a permanent grab failure.

Moongreet uses gtk4_layer_shell::KeyboardMode::Exclusive for keyboard grab. The issue likely stems from a race condition where the greeter window maps before the compositor confirms the keyboard grab.

To investigate:

Whether adding a delayed grab_focus() after window map resolves the issue
Whether the layer-shell keyboard mode is confirmed before the password entry expects input
Whether this correlates with specific compositor startup timing

Occasionally after startup, keyboard input does not register in the password entry. Wildly typing sometimes resolves it, suggesting a timing/race condition rather than a permanent grab failure. Moongreet uses `gtk4_layer_shell::KeyboardMode::Exclusive` for keyboard grab. The issue likely stems from a race condition where the greeter window maps before the compositor confirms the keyboard grab. **To investigate:** - Whether adding a delayed `grab_focus()` after window map resolves the issue - Whether the layer-shell keyboard mode is confirmed before the password entry expects input - Whether this correlates with specific compositor startup timing

nevaforget closed this issue

2026-04-06 22:30:27 +02:00

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Reference: nevaforget/greetd-moongreet#2