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

XkbGetDeviceButtonActions(3)		  XKB FUNCTIONS 	     XkbGetDeviceButtonActions(3)

       XkbGetDeviceButtonActions  - Query the button actions associated with an X Input Extension

       Status XkbGetDeviceButtonActions ( dpy, device_info, all_buttons,  first_button,  num_but-
       tons )
	     Display * dpy;
	     XkbDeviceInfoPtr device_info;
	     Bool all_buttons;
	     unsigned int first_button;
	     unsigned int num_buttons;

       - dpy  connection to X server

       - device_info
	      structure to update with results

       - all_buttons
	      True => get information for all buttons

       - first_button
	      number of first button for which info is desired

       - num_buttons
	      number of buttons for which info is desired

       XkbGetDeviceButtonActions  queries  the	server for the desired button information for the
       device indicated by the device_spec field of device_info and waits for a  reply.  If  suc-
       cessful,  XkbGetDeviceButtonActions  backfills  the  button  actions  (btn_acts	field  of
       device_info) for only the requested buttons, updates the name, type, supported, and unsup-
       ported fields, and returns Success.

       all_buttons,  first_button  and	num_buttons  specify the device buttons for which actions
       should be returned. Setting all_buttons to True requests actions for all  device  buttons;
       if all_buttons is False, first_button and num_buttons specify a range of buttons for which
       actions are requested.

       If a compatible version of Xkb is not available in the server or the Xkb extension has not
       been  properly  initialized,  XkbGetDeviceButtonActions	returns  BadAccess. If allocation
       errors	occur,	 a   BadAlloc	status	 is   returned.   If   the    specified    device
       (device_info->device_spec) is invalid, a BadKeyboard status is returned. If the device has
       no buttons, a BadMatch status is returned. If first_button and num_buttons specify illegal
       buttons, a BadValue status is returned.

       BadAccess      The Xkb extension has not been properly initialized

       BadAlloc       Unable to allocate storage

       BadKeyboard    The device specified was not a valid core or input extension device

       BadMatch       A  compatible version of Xkb was not available in the server or an argument
		      has correct type and range, but is otherwise invalid

       BadValue       An argument is out of range

X Version 11				   libX11 1.2.1 	     XkbGetDeviceButtonActions(3)

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