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XkbGetIndicatorState(3)          XKB FUNCTIONS         XkbGetIndicatorState(3)

       XkbGetIndicatorState  - Obtains the current state of the keyboard indi-

       Status XkbGetIndicatorState ( display, device_spec, state_return )
             Display *display;
             unsigned int device_spec;
             unsigned int state_return;

       - display
              connection to the X server

       - device_spec
              device ID, or XkbUseCoreKbd

       - state_return
              backfilled with a mask of the indicator state

       Xkb allows applications to obtain information  about  indicators  using
       two different methods. The first method, which is similar to the core X
       implementation, uses a mask  to  specify  the  indicators.  The  second
       method, which is more suitable for applications concerned with interop-
       erability, uses indicator names. The correspondence between the indica-
       tor name and the bit position in masks is as follows: one of the param-
       eters returned from XkbGetNamedIndicators is an index that is  the  bit
       position  to use in any function call that requires a mask of indicator
       bits, as well as the indicator's index into the  XkbIndicatorRec  array
       of indicator maps.

       XkbGetIndicatorState  queries  the display for the state of the indica-
       tors on the device specified by the device_spec.   For  each  indicator
       that  is  "turned  on"  on  the  device,  the  associated bit is set in
       state_return.  If a compatible version of  the  Xkb  extension  is  not
       available  in  the  server,  .I XkbGetIndicatorState returns a BadMatch
       error. Otherwise, it sends the request to  the  X  server,  places  the
       state  of  the  indicators into state_return, and returns Success. Thus
       the value reported by XkbGetIndicatorState is identical  to  the  value
       reported by the core protocol.

       BadMatch       A  compatible  version  of  Xkb was not available in the
                      server or an argument has correct type and range, but is
                      otherwise invalid


X Version 11                     libX11 1.1.5          XkbGetIndicatorState(3)