'\" t .\" Title: xdevicebell .\" Author: [FIXME: author] [see http://docbook.sf.net/el/author] .\" Generator: DocBook XSL Stylesheets v1.75.2 .\" Date: 08/04/2010 .\" Manual: [FIXME: manual] .\" Source: [FIXME: source] .\" Language: English .\" .TH "XDEVICEBELL" "libmansuffix" "08/04/2010" "[FIXME: source]" "[FIXME: manual]" .\" ----------------------------------------------------------------- .\" * set default formatting .\" ----------------------------------------------------------------- .\" disable hyphenation .nh .\" disable justification (adjust text to left margin only) .ad l .\" ----------------------------------------------------------------- .\" * MAIN CONTENT STARTS HERE * .\" ----------------------------------------------------------------- .SH "NAME" XDeviceBell \- ring a bell on a device supported through the input extension .SH "SYNOPSIS" .sp .nf #include .fi .sp .nf Status XDeviceBell( Display *display, XDevice *device, XID feedbackclass, XID feedbackid, int percent); display Specifies the connection to the X server\&. .fi .sp .nf device Specifies the device with which the bell is associated\&. .fi .sp .nf feedbackclass Specifies the class of the feedback with which the bell is associated\&. .fi .sp .nf feedbackid Specifies the id of the feedback with which the bell is associated\&. .fi .sp .nf percent Specifies the volume in the range \-100 to 100 at which the bell should be rung\&. .fi .SH "DESCRIPTION" .sp .if n \{\ .RS 4 .\} .nf 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\&. .fi .if n \{\ .RE .\} .sp .if n \{\ .RS 4 .\} .nf The volume at which the bell is rung when the percent argument is nonnegative is: base \- [(base * percent) / 100] + percent .fi .if n \{\ .RE .\} .sp .if n \{\ .RS 4 .\} .nf The volume at which the bell rings when the percent argument is negative is: base + [(base * percent) / 100] .fi .if n \{\ .RE .\} .sp .if n \{\ .RS 4 .\} .nf To change the base volume of the bell, use XChangeFeedbackControl\&. .fi .if n \{\ .RE .\} .sp .if n \{\ .RS 4 .\} .nf XDeviceBell can generate a BadDevice or a BadValue error\&. .fi .if n \{\ .RE .\} .SH "DIAGNOSTICS" .sp .if n \{\ .RS 4 .\} .nf BadDevice An invalid device was specified\&. The specified device does not exist, or has not been opened by this client via XOpenInputDevice\&. .fi .if n \{\ .RE .\} .sp .if n \{\ .RS 4 .\} .nf BadValue An invalid feedbackclass, feedbackid, or percent value was specified\&. .fi .if n \{\ .RE .\} .SH "SEE ALSO" .sp .if n \{\ .RS 4 .\} .nf XChangeFeedbackControl(libmansuffix), XBell(libmansuffix) .fi .if n \{\ .RE .\}