XkbSelectEvents man page on SmartOS

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XkbSelectEvents(3)		 XKB FUNCTIONS		    XkbSelectEvents(3)

NAME
       XkbSelectEvents	-   Selects  and / or deselects for delivery of one or
       more Xkb events and has them delivered under all conditions

SYNOPSIS
       Bool  XkbSelectEvents  (Display	*display,  unsigned  int  device_spec,
	      unsigned	 long  int  bits_to_change,  unsigned  long  int  val‐
	      ues_for_bits);

ARGUMENTS
       display
	      connection to the X server

       device_spec
	      device ID, or XkbUseCoreKbd

       bits_to_change
	      determines events to be selected / deselected

       values_for_bits
	      1=>select, 0->deselect; for events in bits_to_change

DESCRIPTION
       Xkb events are selected using an event mask, much the  same  as	normal
       core  X	events	are selected. However, unlike selecting core X events,
       where you must specify the selection status (on or off) for all	possi‐
       ble  event types whenever you wish to change the selection criteria for
       any one event, Xkb allows you to restrict the specification to only the
       event  types  you  wish	to  change. This means that you do not need to
       remember the event selection values for all possible  types  each  time
       you want to change one of them.

       Many  Xkb  event	 types	are  generated under several different circum‐
       stances. When selecting to receive an Xkb event, you may specify either
       that you want it delivered under all circumstances, or that you want it
       delivered only for a subset of the possible circumstances.

       You can also deselect an event type that was previously	selected  for,
       using the same granularity.

       Xkb  provides  two  functions  to  select  and deselect delivery of Xkb
       events.	XkbSelectEvents allows you to select or deselect  delivery  of
       more  than  one	Xkb  event  type at once. Events selected using XkbSe‐
       lectEvents are delivered to your program under all  circumstances  that
       generate	 the  events.  To restrict delivery of an event to a subset of
       the conditions under which it occurs, use XkbSelectEventDetails. XkbSe‐
       lectEventDetails only allows you to change the selection conditions for
       a single event at a time, but it provides a means  of  fine-tuning  the
       conditions under which the event is delivered.

       This  request  changes  the  Xkb	 event selection mask for the keyboard
       specified by device_spec.

       Each Xkb event that can be selected is represented  by  a  bit  in  the
       bits_to_change and values_for_bits masks. Only the event selection bits
       specified by the bits_to_change parameter are affected; any unspecified
       bits  are  left unchanged. To turn on event selection for an event, set
       the bit for the event in the bits_to_change parameter and set the  cor‐
       responding  bit	in  the	 values_for_bits  parameter. To turn off event
       selection for an event, set the bit for the event in the bits_to_change
       parameter  and  do not set the corresponding bit in the values_for_bits
       parameter. The valid values for both of these parameters are an	inclu‐
       sive bitwise OR of the masks shown in Table 1. There is no interface to
       return your client's current event selection mask. Clients  cannot  set
       other clients' event selection masks.

       The  X server reports the events defined by Xkb to your client applica‐
       tion only if you have requested them via a call to  XkbSelectEvents  or
       XkbSelectEventDetails.  Specify the event types in which you are inter‐
       ested in a mask.

       Table 1 lists the event mask constants that can be specified  with  the
       XkbSelectEvents	request and the circumstances in which the mask should
       be specified.

			 Table 1 XkbSelectEvents Mask Constants
       ───────────────────────────────────────────────────────────────────────────
       Event Mask		      Value	 Notification Wanted
       ───────────────────────────────────────────────────────────────────────────
       XkbNewKeyboardNotifyMask	      (1L<<0)	 Keyboard geometry change
       XkbMapNotifyMask		      (1L<<1)	 Keyboard mapping change
       XkbStateNotifyMask	      (1L<<2)	 Keyboard state change
       XkbControlsNotifyMask	      (1L<<3)	 Keyboard control change
       XkbIndicatorStateNotifyMask    (1L<<4)	 Keyboard indicator state change
       XkbIndicatorMapNotifyMask      (1L<<5)	 Keyboard indicator map change
       XkbNamesNotifyMask	      (1L<<6)	 Keyboard name change
       XkbCompatMapNotifyMask	      (1L<<7)	 Keyboard compat map change
       XkbBellNotifyMask	      (1L<<8)	 Bell
       XkbActionMessageMask	      (1L<<9)	 Action message
       XkbAccessXNotifyMask	      (1L<<10)	 AccessX features
       XkbExtensionDeviceNotifyMask   (1L<<11)	 Extension device
       XkbAllEventsMask		      (0xFFF)	 All Xkb events

       If a bit is not set in the bits_to_change  parameter,  but  the	corre‐
       sponding bit is set in the values_for_bits parameter, a BadMatch proto‐
       col  error  results.  If	 an  undefined	bit  is	 set  in  either   the
       bits_to_change  or  the	values_for_bits parameter, a BadValue protocol
       error results.

       All event selection bits are initially zero for clients using  the  Xkb
       extension.   Once  you  set  some bits, they remain set for your client
       until you clear them via another call to XkbSelectEvents.

       XkbSelectEvents returns False if the Xkb extension has not been initil‐
       ialized and True otherwise.

RETURN VALUES
       True	      The  XkbSelectEvents  function  returns  True if the Xkb
		      extension has been initilialized.

       False	      The XkbSelectEvents function returns False  if  the  Xkb
		      extension has not been initilialized.

SEE ALSO
       XkbSelectEventDetails(3), XkbUseCoreKbd(3)

X Version 11			 libX11 1.6.2		    XkbSelectEvents(3)
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