XkbAllocDeviceInfo man page on Peanut

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XkbAllocDeviceInfo(3)		 XKB FUNCTIONS		 XkbAllocDeviceInfo(3)

NAME
       XkbAllocDeviceInfo - Obtain an XkbDeviceInfoRec structure

SYNOPSIS
       XkbDeviceInfoPtr XkbAllocDeviceInfo ( device_spec, n_buttons, sz_leds )
	     unsigned int device_spec;
	     unsigned int n_buttons;
	     unsigned int sz_leds;

ARGUMENTS
       - device_spec
	      device ID with which structure will be used

       - n_buttons
	      number of button actions to allocate space for

       - sz_leds
	      number of LED feedbacks to allocate space for

DESCRIPTION
       XkbAllocDeviceInfo  allocates  space  for an XkbDeviceInfoRec structure
       and initializes that structure's device_spec field with the  device  ID
       specified  by  device_spec.   If n_buttons is nonzero, n_buttons XkbAc‐
       tions are linked into the XkbDeviceInfoRec structure and initialized to
       zero. If sz_leds is nonzero, sz_leds XkbDeviceLedInfoRec structures are
       also allocated and linked into the XkbDeviceInfoRec structure.  If  you
       request XkbDeviceLedInfoRec structures be allocated using this request,
       you must initialize them explicitly.

       To obtain an XkbDeviceLedInfoRec structure, use XkbAllocDeviceLedInfo.

STRUCTURES
       Information about X Input Extension devices is  transferred  between  a
       client program and the Xkb extension in an XkbDeviceInfoRec structure:

	   typedef struct {
	       char *		    name;	   /∗ name for device */
	       Atom		    type;	   /∗ name for class of devices */
	       unsigned short	    device_spec;   /∗ device of interest */
	       Bool		    has_own_state; /∗ True=>this device has its own state */
	       unsigned short	    supported;	   /∗ bits indicating supported capabilities */
	       unsigned short	    unsupported;   /∗ bits indicating unsupported capabilities */
	       unsigned short	    num_btns;	   /∗ number of entries in btn_acts */
	       XkbAction *	    btn_acts;	   /∗ button actions */
	       unsigned short	    sz_leds;	   /∗ total number of entries in LEDs vector */
	       unsigned short	    num_leds;	   /∗ number of valid entries in LEDs vector */
	       unsigned short	    dflt_kbd_fb;   /∗ input extension ID of default (core kbd) indicator */
	       unsigned short	    dflt_led_fb;   /∗ input extension ID of default indicator feedback */
	       XkbDeviceLedInfoPtr  leds;	   /∗ LED descriptions */
	   } XkbDeviceInfoRec, *XkbDeviceInfoPtr;

	   typedef struct {
	       unsigned short	   led_class;	     /∗ class for this LED device*/
	       unsigned short	   led_id;	     /∗ ID for this LED device */
	       unsigned int	   phys_indicators;  /∗ bits for which LEDs physically present */
	       unsigned int	   maps_present;     /∗ bits for which LEDs have maps in maps */
	       unsigned int	   names_present;    /∗ bits for which LEDs are in names */
	       unsigned int	   state;	     /∗ 1 bit => corresponding LED is on */
	       Atom		   names[XkbNumIndicators];   /∗ names for LEDs */
	       XkbIndicatorMapRec  maps;	     /∗ indicator maps for each LED */
	   } XkbDeviceLedInfoRec, *XkbDeviceLedInfoPtr;

SEE ALSO
       XkbAllocDeviceLedInfo(3)

X Version 11			  libX11 1.2		 XkbAllocDeviceInfo(3)
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