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X11R7.4 - man page for xkbchangedeviceinfo (x11r4 section 3)

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XkbChangeDeviceInfo(3)			  XKB FUNCTIONS 		   XkbChangeDeviceInfo(3)

       XkbChangeDeviceInfo  -  Update the server's description of a device with the changes noted
       in an XkbDeviceChangesRec

       Bool XkbChangeDeviceInfo ( dpy, device_info, changes )
	     Display * dpy;
	     XkbDeviceInfoPtr device_info;
	     XkbDeviceChangesPtr changes;

       - dpy  connection to X server

       - device_info
	      local copy of device state and configuration

       - changes
	      note specifying changes in device_info

       XkbChangeDeviceInfo  updates  the  server's  description  of  the  device   specified   in
       device_info->device_spec   with	 the  changes  specified  in  changes  and  contained  in
       device_info.  The update is made by an XkbSetDeviceInfo request.

       Changes to an Xkb extension device may be tracked by listening to XkbDeviceExtensionNotify
       events and accumulating the changes in an XkbDeviceChangesRec structure. The changes noted
       in the structure may then be used in subsequent operations to update either a server  con-
       figuration or a local copy of an Xkb extension device configuration. The changes structure
       is defined as follows:

       typedef struct _XkbDeviceChanges {
	   unsigned int 	changed;	/* bits indicating what has changed */
	   unsigned short	first_btn;	/* number of first button which changed, if any */
	   unsigned short	num_btns;	/* number of buttons that have changed */
	   XkbDeviceLedChangesRec leds;
       } XkbDeviceChangesRec,*XkbDeviceChangesPtr;


X Version 11				   libX11 1.2.1 		   XkbChangeDeviceInfo(3)
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