XkbChangeEnabledControls man page on QNX

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XkbChangeEnabledControls(3)	 XKB FUNCTIONS	   XkbChangeEnabledControls(3)

       XkbChangeEnabledControls - Manipulates the EnabledControls control

       Bool  XkbChangeEnabledControls (Display *dpy, unsigned int device_spec,
	      unsigned int mask, unsigned int values);

       - dpy  connection to X server

       - device_spec
	       keyboard device to modify

       - mask 1 bit -> controls to enable / disable

       - values
	      1 bit => enable, 0 bit => disable

       The EnabledControls control is a bit mask where each bit that is turned
       on  means  the  corresponding  control is enabled, and when turned off,
       disabled. It corresponds to the enabled_ctrls field of  an  XkbControl‐
       sRec structure (see STRUCTURES). The bits describing which controls are
       turned on or off are defined in Table 1.

       Table 1 shows the actual values for the individual mask	bits  used  to
       select controls for modification and to enable and disable the control.
       Note that the same mask bit is used to specify general modifications to
       the parameters used to configure the control (which), and to enable and
       disable the control (enabled_ctrls). The anomalies  in  the  table  (no
       "ok"  in column) are for controls that have no configurable attributes;
       and for controls that are not boolean controls and therefore cannot  be
       enabled or disabled.

			       Table 1 Controls Mask Bits
       Mask Bit			which or	enabled	  Value
				changed_ctrls	_ctrls
       XkbRepeatKeysMask	ok		ok	  (1L<<0)
       XkbSlowKeysMask		ok		ok	  (1L<<1)
       XkbBounceKeysMask	ok		ok	  (1L<<2)
       XkbStickyKeysMask	ok		ok	  (1L<<3)
       XkbMouseKeysMask		ok		ok	  (1L<<4)
       XkbMouseKeysAccelMask	ok		ok	  (1L<<5)
       XkbAccessXKeysMask	ok		ok	  (1L<<6)
       XkbAccessXTimeoutMask	ok		ok	  (1L<<7)
       XkbAccessXFeedbackMask	ok		ok	  (1L<<8)
       XkbAudibleBellMask			ok	  (1L<<9)
       XkbOverlay1Mask				ok	  (1L<<10)
       XkbOverlay2Mask				ok	  (1L<<11)
       XkbIgnoreGroupLockMask			ok	  (1L<<12)
       XkbGroupsWrapMask	ok			  (1L<<27)
       XkbInternalModsMask	ok			  (1L<<28)
       XkbIgnoreLockModsMask	ok			  (1L<<29)
       XkbPerKeyRepeatMask	ok			  (1L<<30)
       XkbControlsEnabledMask	ok			  (1L<<31)
       XkbAccessXOptionsMask	ok		ok	  (XkbStickyKeysMask |
       XkbAllBooleanCtrlsMask			ok	  (0x00001FFF)
       XkbAllControlsMask	ok			  (0xF8001FFF)

       The mask parameter specifies the boolean controls to be enabled or dis‐
       abled, and the values mask specifies the new state for those  controls.
       Valid  values  for both of these masks are composed of a bitwise inclu‐
       sive OR of bits taken from the set of mask bits in Table 1, using  only
       those masks with "ok" in the enabled_ctrls column.

       If the X server does not support a compatible version of Xkb or the Xkb
       extension has not been properly	initialized,  XkbChangeEnabledControls
       returns	False;	otherwise,  it	sends  the request to the X server and
       returns True.

       Note that the EnabledControls control only enables  and	disables  con‐
       trols;  it does not configure them. Some controls, such as the Audible‐
       Bell control, have no configuration attributes and are therefore manip‐
       ulated  solely  by  enabling  and disabling them. Others, however, have
       additional attributes to configure their	 behavior.  For	 example,  the
       RepeatControl  control  uses repeat_delay and repeat_interval fields to
       describe the timing behavior of keys  that  repeat.  The	 RepeatControl
       behavior	 is  turned  on	 or  off  depending on the value of the XkbRe‐
       peatKeysMask bit, but you must use other means, as  described  in  this
       chapter, to configure its behavior in detail.

       True	      The X server supports a compatible version of Xkb.

       False	      The  X  server  does not support a compatible version of
		      Xkb or the Xkb extension has not been properly  initial‐

       The XkbControlsRec structure is defined as follows:

	   #define XkbMaxLegalKeyCode	  255
	   #define XkbPerKeyBitArraySize  ((XkbMaxLegalKeyCode+1)/8)

	   typedef struct {
	       unsigned char   mk_dflt_btn;	 /∗ default button for keyboard driven mouse */
	       unsigned char   num_groups;	 /∗ number of keyboard groups */
	       unsigned char   groups_wrap;	 /∗ how to wrap out-of-bounds groups */
	       XkbModsRec      internal;	 /∗ defines server internal modifiers */
	       XkbModsRec      ignore_lock;	 /∗ modifiers to ignore when checking for grab */
	       unsigned int    enabled_ctrls;	 /∗ 1 bit => corresponding boolean control enabled */
	       unsigned short  repeat_delay;	 /∗ ms delay until first repeat */
	       unsigned short  repeat_interval;	 /∗ ms delay between repeats */
	       unsigned short  slow_keys_delay;	 /∗ ms minimum time key must be down to be ok */
	       unsigned short  debounce_delay;	 /∗ ms delay before key reactivated */
	       unsigned short  mk_delay;	 /∗ ms delay to second mouse motion event */
	       unsigned short  mk_interval;	 /∗ ms delay between repeat mouse events */
	       unsigned short  mk_time_to_max;	 /∗ # intervals until constant mouse move */
	       unsigned short  mk_max_speed;	 /∗ multiplier for maximum mouse speed */
	       short	       mk_curve;	 /∗ determines mouse move curve type */
	       unsigned short  ax_options;	 /∗ 1 bit => Access X option enabled */
	       unsigned short  ax_timeout;	 /∗ seconds until Access X disabled */
	       unsigned short  axt_opts_mask;	 /∗ 1 bit => options to reset on Access X timeout */
	       unsigned short  axt_opts_values;	 /∗ 1 bit => turn option on, 0=> off */
	       unsigned int    axt_ctrls_mask;	 /∗ which bits in enabled_ctrls to modify */
	       unsigned int    axt_ctrls_values; /∗ values for new bits in enabled_ctrls */
	       unsigned char   per_key_repeat[XkbPerKeyBitArraySize];  /∗ per key auto repeat */
	    } XkbControlsRec, *XkbControlsPtr;

X Version 11			 libX11 1.3.5	   XkbChangeEnabledControls(3)
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