Commits on Nov 23, 2024

1. Add XkbContext::update_mask and XkbContext::set_update_key …

   For a nested compositor, it's useful to be able to pass through the
   modifiers state from the parent compositor unchanged. `set_mask`
   provides a way to do that. Meanwhile `set_update_key()` provides a way
   to disable the current calls to `xkb_context_updatE_key`.
   
   Alternately to `set_update_key()`, a boolean argument could be added to
   both `input()` and `input_intercept()`. Not sure which is better. Either
   is a bit ugly.
   
   `update_mask` uses seperate arguments for depressed/latched/locked
   instead of `SerializedMods`, since `effective` isn't applicable here. It
   uses `u32` for those, like `SerializedMods`, but `Layout` for the layout
   since it exists. Xkbcommon has a separate depressed/latched/locked
   layout, but we only use one since that's what the `set_layout` function
   and `wl_keyboard::modifiers` already assumes. (I guess X11 differentiated
   these, but depressed/latched didn't end up being used in practice?)
   
   This could also be used on the X11 backend. I'm not sure if winit
   exposes the necessary information to call `set_mask`.

   

   ids1024 committed Nov 23, 2024
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