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x11: Send the _XWAYLAND_MAY_GRAB_KEYBOARD message when grabbing the keyboard

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GNOME requires this to allow keyboard grabs on XWayland. Otherwise, XGrabKeyboard will still report success, but shortcuts won't be inhibited.

See https://gitlab.gnome.org/GNOME/mutter/-/commit/5f132f39750f684c3732b4346dec810cd218d609
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Frank Praznik
2025-03-25 12:17:39 -04:00
parent a5633ad0fb
commit 716e33f106
2 changed files with 31 additions and 0 deletions
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docs/README-wayland.md
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@@ -59,6 +59,10 @@ encounter limitations or behavior that is different from other windowing systems
`SDL_APP_ID` hint string, the desktop entry file name should match the application ID. For example, if your
application ID is set to `org.my_org.sdl_app`, the desktop entry file should be named `org.my_org.sdl_app.desktop`.
### Keyboard grabs don't work when running under XWayland
- One GNOME based desktops, the dconf setting `org/gnome/mutter/wayland/xwayland-allow-grabs` must be enabled.
## Using custom Wayland windowing protocols with SDL windows
Under normal operation, an `SDL_Window` corresponds to an XDG toplevel window, which provides a standard desktop window.