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.\" ========================================================================
.\"
.IX Title "FvwmDebug 1"
.TH FvwmDebug 1 "2009-03-22" "2.5.28 (from cvs)" "Fvwm Modules"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
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.SH "NAME"
FvwmDebug \- the fvwm module debugger
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
FvwmDebug should be spawned by \fIfvwm\fR\|(1) for normal functionality.
.PP
To run this module, place this command somewhere in the configuration:
.PP
.Vb 1
\&    Module FvwmDebug [optional\-params]
.Ve
.PP
To stop this module, execute:
.PP
.Vb 1
\&    KillModule FvwmDebug
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
This module persistently dumps all fvwm event details and optionally some other information into the standard error stream or a file, good for debugging purposes. The output may be optionally redirected to \fIxconsole\fR or similar window.
.SH "INVOCATION"
.IX Header "INVOCATION"
There are several command line switches:
.PP
\&\fBFvwmDebug\fR [ \fB\-\-args\fR|\fB\-\-noargs\fR ] [ \fB\-\-events\fR|\fB\-\-noevents\fR ] [ \fB\-\-log\fR \fIfile\fR ] [ \fB\-\-xconsole\fR ] [ \fB\-\-mask\fR \fImask\fR ] [ \fB\-\-xmask\fR \fImask\fR ] [ \fB\-\-debug\fR \fIlevel\fR ] [ \fB\-\-track\fR \fItracker-name\fR ] [ \fB\-\-send\-configinfo\fR ] [ \fB\-\-send\-windowlist\fR ]
.PP
Long switches may be abbreviated to shorter switches.
.PP
\&\fB\-\-noargs\fR \- do not print all arguments of the event, just its name. \fB\-\-args\fR is the default.
.PP
\&\fB\-\-noevents\fR \- do not print even event names, implies \fB\-\-noargs\fR. It is similar in effect to setting both \fB\-\-mask\fR and \fB\-\-xmask\fR to 0, but the events are actually received by the module, they are just not printed.
.PP
This option may be useful if \fB\-\-track\fR or/and \fB\-\-debug\fR is used.
.PP
The default is \fB\-\-events\fR normally, and \fB\-\-noevents\fR if one or more \fB\-\-track\fR options specified.
.PP
\&\fB\-l\fR|\fB\-\-log\fR \fIfile\fR \- specify the log file name instead of the standard error stream. If the log file can't be open for writing, the default standard error stream is used.
.PP
The \fIfile\fR may start with a pipe '|', this is similar to the usual meaning of a pipe, the output is piped to the specified command. See also \fB\-\-xconsole\fR option.
.PP
\&\fB\-xc\fR|\fB\-\-xconsole\fR \- this is a shortcut for:
.PP
.Vb 1
\&    FvwmDebug \-\-log \*(Aq|xconsole \-file /dev/stdin \-geometry 600x400 \-notify\*(Aq
.Ve
.PP
That shows the module output in the \fIxconsole\fR window rather than the standard error stream.
.PP
\&\fB\-m\fR|\fB\-\-mask\fR \fImask\fR \- set the module mask, 31 bit integer. By default almost all events are monitored (except for some flood events like \fI\s-1CONFIGURE_WINDOW\s0\fR or \fI\s-1FOCUS_WINDOW\s0\fR. The special value of \fI\-1\fR sets the maximal mask.
.PP
\&\fB\-x\fR|\fB\-\-xmask\fR \fImask\fR \- set the module extended mask, 31 bit integer. By default almost all events are monitored (except for some flood events like \fI\s-1ENTER_WINDOW\s0\fR or \fI\s-1LEAVE_WINDOW\s0\fR. The special value of \fI\-1\fR sets the maximal extended mask.
.PP
\&\fB\-d\fR|\fB\-\-debug\fR \fIlevel\fR \- use the Perl library debugging mechanism. The useful \fIlevel\fRs are 2 to 4.
.PP
\&\fB\-t\fR|\fB\-\-track\fR \fItracker-name\fR \- create the given Perl library tracker and observe its main observable. This option may be specified multiple times. This options implies \fB\-\-noevents\fR unless explicitly overwritten. You may optionally try \fB\-\-debug\fR, for example:
.PP
.Vb 1
\&    FvwmDebug \-xc \-\-track PageInfo \-\-track GlobalConfig \-\-debug 3
.Ve
.PP
Run \*(L"fvwm-perllib man\*(R" to get the names of all existing trackers in your installed Perl library.
.PP
\&\fB\-sc\fR|\fB\-\-send\-configinfo\fR \- send \fBSend_ConfigInfo\fR command to \fIfvwm\fR on startup, this results in a lot of events received.
.PP
\&\fB\-sw\fR|\fB\-\-send\-windowlist\fR \- send \fBSend_WindowList\fR command to \fIfvwm\fR on startup, this results in a lot of events received.
.SH "SEE ALSO"
.IX Header "SEE ALSO"
See also FvwmGtkDebug.
.SH "AUTHOR"
.IX Header "AUTHOR"
Mikhael Goikhman <migo@homemail.com>.