On Aug 21 2007 02:57, Samuel Thibault wrote:
>
>Some external modules like Speakup need to use the PC keyboard to control
>them and also need to get keyboard feedback (caps lock status, etc.)
>
>This adds a keyboard notifier that such modules can use to get the keyboard
>events and possibly eat them, at several stages:
>
>- keycodes: even before translation into keysym.
They can use the raw xlation for that. The "showkeys" utility and Xorg are
likely to do that. (In fact, there is a helping sysrq called Unraw in case
there are problems.)
>- unbound keycodes: when no keysym is bound.
>- unicode: when the keycode would get translated into a unicode character.
>- keysym: when the keycode would get translated into a keysym.
>- post_keysym: after the keysym got interpreted, so as to see the result
> (caps lock, etc.)
For all these, I think new xlats should be added that have the desired
behavior.
>+ int shift; /* Current shift mask */
>+ unsigned int value; /* keycode, unicode value or keysym */
>+};
>+
>+extern int register_keyboard_notifier(struct notifier_block *nb);
>+extern int unregister_keyboard_notifier(struct notifier_block *nb);
> #endif
>
-
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