Test whether a LED is active in a given keyboard state by index.
@returns 1 if the LED is active, 0 if it not. If the LED index is not valid in the keymap, returns -1.
@sa xkb_led_index_t @memberof xkb_state
See Implementation
Test whether a LED is active in a given keyboard state by index.
@returns 1 if the LED is active, 0 if it not. If the LED index is not valid in the keymap, returns -1.
@sa xkb_led_index_t @memberof xkb_state