[PATCH v2 0/5] MR10689: winex11: Keyboard layouts rework, part 1

[Rémi Bernon (＠rbernon)]

Same as https://gitlab.winehq.org/wine/wine/-/merge_requests/10550 with misc tweaks.

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  v2: winex11: Decode current keyboard layout from the Xkb group name.
      winex11: Look up keysyms for the currently selected Xkb group in X11DRV_KEYBOARD_DetectLayout().
      winex11: Get Xkb group names.
      winex11: Factor out mapping keycodes to scancodes / keysyms into a separate function.
      winex11: Fix some X11DRV_InitKeyboard loop indentation.
 
https://gitlab.winehq.org/wine/wine/-/merge_requests/10689