Test whether a set of modifiers are active in a given keyboard state by
index.
@param state The keyboard state.
@param type The component of the state against which to match the
given modifiers.
@param match The manner by which to match the state against the
given modifiers.
@param ... The set of of modifier indices to test, terminated by a
XKB_MOD_INVALID argument (sentinel).
@returns 1 if the modifiers are active, 0 if they are not. If any of
the modifier indices are invalid in the keymap, returns -1.
Test whether a set of modifiers are active in a given keyboard state by index.
@param state The keyboard state. @param type The component of the state against which to match the given modifiers. @param match The manner by which to match the state against the given modifiers. @param ... The set of of modifier indices to test, terminated by a XKB_MOD_INVALID argument (sentinel).
@returns 1 if the modifiers are active, 0 if they are not. If any of the modifier indices are invalid in the keymap, returns -1.
@memberof xkb_state