xchangepointercontrol(3) [hpux man page]

XChangePointerControl() 												   XChangePointerControl()

Name
  XChangePointerControl - change the pointer preferences.

Synopsis
  XChangePointerControl(display, do_accel, do_threshold, accel_numerator, accel_denominator, threshold)
	Display *display;
	Bool do_accel, do_threshold;
	int accel_numerator, accel_denominator;
	int threshold;

Arguments
  display   Specifies a connection to an X server; returned from XOpenDisplay().

  do_accel  Specifies  a  boolean  value that controls whether the values for the accel_numerator or accel_denominator are set.  You can pass
	    one of these constants:  True or False.

  do_threshold
	    Specifies a boolean value that controls whether the value for the threshold is set.  You can pass one of these  constants:	 True
	    or False.

  accel_numerator
	    Specifies the numerator for the acceleration multiplier.

  accel_denominator
	    Specifies the denominator for the acceleration multiplier.

  threshold Specifies the acceleration threshold.  True or False.

Description
  XChangePointerControl()  defines  how  the  pointing	device functions.  The acceleration is a fraction (accel_numerator/accel_denominator)
  which specifies how many times faster than normal the sprite on the screen moves for a given pointer movement.  Acceleration	takes  effect
  only	when  a  particular  pointer motion is greater than threshold pixels at once, and only applies to the motion beyond threshold pixels.
  The values for do_accel and do_threshold must be True for the pointer values to be set; otherwise, the parameters will be unchanged.	 Set-
  ting any of the last three arguments to -1 restores the default for that argument.

  The fraction may be rounded arbitrarily by the server.

Errors
  BadValue  accel_denominator is 0.
	    Negative value for do_accel or do_threshold.

See Also
  XChangeActivePointerGrab(),  XGetPointerControl(),  XGetPointerMapping(),  XGrabPointer(),  XQueryPointer(), XSetPointerMapping(), XUngrab-
  Pointer(), XWarpPointer().

Xlib - Pointers 													   XChangePointerControl()

XChangePointerControl(3)					  XLIB FUNCTIONS					  XChangePointerControl(3)

NAME

       XChangePointerControl, XGetPointerControl - control pointer

SYNTAX

       int XChangePointerControl(Display *display, Bool do_accel, Bool do_threshold, int accel_numerator, int accel_denominator, int threshold);

       int XGetPointerControl(Display *display, int *accel_numerator_return, int *accel_denominator_return, int *threshold_return);

ARGUMENTS

       accel_denominator
		 Specifies the denominator for the acceleration multiplier.

       accel_denominator_return
		 Returns the denominator for the acceleration multiplier.

       accel_numerator
		 Specifies the numerator for the acceleration multiplier.

       accel_numerator_return
		 Returns the numerator for the acceleration multiplier.

       display	 Specifies the connection to the X server.

       do_accel  Specifies a Boolean value that controls whether the values for the accel_numerator or accel_denominator are used.

       do_threshold
		 Specifies a Boolean value that controls whether the value for the threshold is used.

       threshold Specifies the acceleration threshold.

       threshold_return
		 Returns the acceleration threshold.

DESCRIPTION

       The XChangePointerControl function defines how the pointing device moves.  The acceleration, expressed as a fraction, is a multiplier for
       movement.  For example, specifying 3/1 means the pointer moves three times as fast as normal.  The fraction may be rounded arbitrarily by
       the X server.  Acceleration only takes effect if the pointer moves more than threshold pixels at once and only applies to the amount beyond
       the value in the threshold argument.  Setting a value to -1 restores the default.  The values of the do_accel and do_threshold arguments
       must be True for the pointer values to be set, or the parameters are unchanged.	Negative values (other than -1) generate a BadValue error,
       as does a zero value for the accel_denominator argument.

       XChangePointerControl can generate a BadValue error.

       The XGetPointerControl function returns the pointer's current acceleration multiplier and acceleration threshold.

DIAGNOSTICS

       BadValue  Some numeric value falls outside the range of values accepted by the request.	Unless a specific range is specified for an argu-
		 ment, the full range defined by the argument's type is accepted.  Any argument defined as a set of alternatives can generate this
		 error.

SEE ALSO

       Xlib - C Language X Interface

X Version 11							   libX11 1.5.0 					  XChangePointerControl(3)