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XDEVICEBELL

Section: \ \& (3)
Updated: 03/09/2013
Index Return to Main Contents
 

NAME

XDeviceBell - ring a bell on a device supported through the input extension  

SYNOPSIS

#include <X11/extensions/XInput.h>

Status XDeviceBell( Display *display,
                    XDevice *device,
                    XID feedbackclass,
                    XID feedbackid,
                    int percent);
display
       Specifies the connection to the X server.

device
       Specifies the device with which the bell is associated.

feedbackclass
       Specifies the class of the feedback with which the bell
       is associated.

feedbackid
       Specifies the id of the feedback with which the bell is
       associated.

percent
       Specifies the volume in the range -100 to 100 at which
       the bell should be rung.
 

DESCRIPTION

The XDeviceBell request causes the server to ring a bell on the
specified feedback of the specified device, if possible. The
specified volume is relative to the base volume for the bell.
If an invalid device is specified, a BadDevice error will be
returned. The feedbackclass and feedbackid parameters contain
values returned by an XGetFeedbackControl request and uniquely
identify the bell to ring. If a feedbackclass is specified that
does not support a bell, or if a nonexistent feedbackid is
specified, or a percent value is specified that is not in the
range -100 to 100, a BadValue error will be returned.

The volume at which the bell is rung when the percent argument
is nonnegative is: base - [(base * percent) / 100] + percent

The volume at which the bell rings when the percent argument is
negative is: base + [(base * percent) / 100]

To change the base volume of the bell, use
XChangeFeedbackControl.

XDeviceBell can generate a BadDevice or a BadValue error.
 

DIAGNOSTICS

BadDevice
       An invalid device was specified. The specified device
       does not exist, or has not been opened by this client
       via XOpenInputDevice.

BadValue
       An invalid feedbackclass, feedbackid, or percent value
       was specified.
 

SEE ALSO

XChangeFeedbackControl(3), XBell(3)


 

Index

NAME
SYNOPSIS
DESCRIPTION
DIAGNOSTICS
SEE ALSO


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