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xkbgetnamedindicator(3) [centos man page]

XkbGetNamedIndicator(3) 					   XKB FUNCTIONS					   XkbGetNamedIndicator(3)

NAME
XkbGetNamedIndicator - Look up the indicator map and other information for an indicator by name SYNOPSIS
Bool XkbGetNamedIndicator (Display *dpy, unsigned int dev_spec, Atom name, int *ndx_rtrn, Bool *state_rtrn, XkbIndicatorMapPtr map_rtrn, Bool *real_rtrn); ARGUMENTS
- dpy connection to the X server - dev_spec keyboard device ID, or XkbUseCoreKbd - name name of the indicator to be retrieved - ndx_rtrn backfilled with the index of the retrieved indicator - state_rtrn backfilled with the current state of the retrieved indicator - map_rtrn backfilled with the mapping for the retrieved indicator - real_rtrn backfilled with True if the named indicator is real (physical) DESCRIPTION
Xkb also allows applications to refer to indicators by name. Use XkbGetNames to get the indicator names. Using names eliminates the need for hard-coding bitmask values for particular keyboards. For example, instead of using vendor-specific constants such as WSKBLed_ScrollLock mask on Digital workstations or XLED_SCROLL_LOCK on Sun workstations, you can instead use XkbGetNamedIndicator to look up information on the indicator named "Scroll Lock." If the device specified by device_spec has an indicator named name, XkbGetNamedIndicator returns True and populates the rest of the parame- ters with information about the indicator. Otherwise, XkbGetNamedIndicator returns False. The ndx_rtrn field returns the zero-based index of the named indicator. This index 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. state_rtrn returns the current state of the named indicator (True = on, False = off). map_rtrn returns the indicator map for the named indicator. In addi- tion, if the indicator is mapped to a physical LED, the real_rtrn parameter is set to True. Each of the " _rtrn " arguments is optional; you can pass NULL for any unneeded " _rtrn " arguments. RETURN VALUES
True The XkbGetNamedIndicator function returns True if the device specified by device_spec has an indicator named name. False The XkbGetNamedIndicator function returns False if the device specified by device_spec does not have an indicator named name. SEE ALSO
XkbGetNames(3) X Version 11 libX11 1.6.0 XkbGetNamedIndicator(3)

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XkbGetIndicatorState(3) 					   XKB FUNCTIONS					   XkbGetIndicatorState(3)

NAME
XkbGetIndicatorState - Obtains the current state of the keyboard indicators SYNOPSIS
Status XkbGetIndicatorState ( display, device_spec, state_return ) Display *display; unsigned int device_spec; unsigned int state_return; ARGUMENTS
- display connection to the X server - device_spec device ID, or XkbUseCoreKbd - state_return backfilled with a mask of the indicator state DESCRIPTION
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 indicator name and the bit position in masks is as follows: one of the parameters 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 indicators 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 avail- able in the server, 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. DIAGNOSTICS
BadMatch A compatible version of Xkb was not available in the server or an argument has correct type and range, but is otherwise invalid SEE ALSO
XkbGetNamedIndicators(3) X Version 11 libX11 1.2.1 XkbGetIndicatorState(3)
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