179 lines
5.5 KiB
Groff
179 lines
5.5 KiB
Groff
.\" $XConsortium: xmessage.man,v 1.8 95/03/08 22:28:48 gildea Exp $
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.\"
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.\" $XFree86$
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.\"
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.TH XMESSAGE 1 __xorgversion__
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.SH NAME
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xmessage \- display a message or query in a window (X-based /bin/echo)
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.SH SYNOPSIS
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.B xmessage
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[
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.B \-buttons
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.I label1\fR[\fP\fB:\fPvalue1\fR]\fP\fB,\fPlabel2\fR[\fP\fB:\fPvalue2\fR]\fP\fB,\fP
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\&\|.\|.\|.
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] [
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.I options
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]
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.B \-file
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.I filename
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.br
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.B xmessage
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[
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.B \-buttons
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.I label1\fR[\fP\fB:\fPvalue1\fR]\fP\fB,\fPlabel2\fR[\fP\fB:\fPvalue2\fR]\fP\fB,\fP
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\&\|.\|.\|.
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] [
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.I options
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]
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.I message
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\&.\|.\|.
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.SH DESCRIPTION
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The
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.I xmessage
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program
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displays a window containing a message from the command line, a file,
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or standard input.
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Along the lower edge of the message is row
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of buttons; clicking the left mouse button
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on any of these buttons will cause \fIxmessage\fP to exit.
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Which button was pressed is returned in the exit status and,
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optionally, by writing the label of the button to standard output.
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.PP
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The program
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is typically used by shell scripts to display information to the user
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or to ask the user to make a choice.
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.PP
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Unless a size is specified, \fIxmessage\fP
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sizes itself to fit the message, up to a maximum size.
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If the message is too big for the window, \fIxmessage\fP will display
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scroll bars.
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.SH OPTIONS
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These are the command line options that \fIxmessage\fP understands.
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.TP 8
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.B \-buttons \fIbutton,button,.\|.\|.\fP
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This option will cause \fIxmessage\fP to create one button for each
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comma-separated \fIbutton\fP argument.
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The corresponding resource is \fBbuttons\fP.
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Each \fIbutton\fP consists of a label optionally followed by a colon
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and an exit value.
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The label is the name of the Command button widget created and will be the
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default text displayed to the user. Since this is the name of the widget
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it may be used to change any of the resources associated with that button.
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The exit value will be returned by \fIxmessage\fP
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if that button is selected. The default exit value is 100 plus the
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button number. Buttons are numbered from the left starting with one.
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The default string if no \fB\-buttons\fP option is given is \fBokay:0\fP.
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.TP 8
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.B \-default \fIlabel\fP
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Defines the button with a matching \fIlabel\fP to be the default.
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If not specified there is no default.
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The corresponding resource is \fBdefaultButton\fP.
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Pressing Return anywhere in the \fIxmessage\fP window will activate
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the default button.
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The default button has a wider border than the others.
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.TP 8
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.B \-file \fIfilename\fP
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File to display.
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The corresponding resource is \fBfile\fP.
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A \fIfilename\fP of `\fB\-\fP' reads from standard input.
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If this option is not supplied, \fIxmessage\fP will
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display all non-option arguments in the style of \fIecho\fP.
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Either \fB\-file\fP or a message on the command line
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should be provided, but not both.
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.TP 8
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.B \-print
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This will cause the program to write the label of the button pressed to
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standard output. Equivalent to setting the \fBprintValue\fP resource
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to TRUE.
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This is one way to get feedback as to which button was pressed.
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.TP 8
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.B \-center
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Pop up the window at the center of the screen.
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Equivalent to setting the \fBcenter\fP resource to TRUE.
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.TP 8
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.B \-nearmouse
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Pop up the window near the mouse cursor.
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Equivalent to setting the \fBnearMouse\fP resource to TRUE.
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.TP 8
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.B \-timeout \fIsecs\fP
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Exit with status 0 after \fIsecs\fP seconds if the user has not
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clicked on a button yet.
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The corresponding resource is \fBtimeout\fP.
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.SH "WIDGET HIERARCHY"
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Knowing the name and position in the hierarchy of each widget is
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useful when specifying resources for them. In the following chart, the
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class and name of each widget is given.
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.LP
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.nf
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Xmessage (xmessage)
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Form form
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Text message
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Command (label1)
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Command (label2)
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.
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.
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.
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.fi
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.SH RESOURCES
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The program has a few top-level application resources that allow
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customizations that are specific to \fIxmessage\fP.
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.TP 8
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.B file
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A String specifying the file to display.
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.TP 8
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.B buttons
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A String specifying the buttons to display.
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See the \fB\-buttons\fP command-line option.
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.TP 8
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.B defaultButton
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A String specifying a default button by label.
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.TP 8
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.B printValue
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A Boolean value specifying whether the label of the
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button pressed to exit the program is written to standard output.
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The default is FALSE.
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.TP 8
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.B center
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A Boolean value specifying whether to pop up the window at the center
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of the screen. The default is FALSE.
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.TP 8
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.B nearMouse
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A Boolean value specifying whether to pop up the window near the mouse
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cursor. The default is FALSE.
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.TP 8
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.B timeout
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The number of seconds after which to exit with
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status 0. The default is 0, which means never time out.
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.TP 8
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.B "maxHeight (\fPclass\fB Maximum)
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The maximum height of the text part of the window in pixels,
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used if no size was specified in the geometry.
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The default is 0, which means use 70% of the height of the screen.
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.TP 8
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.B "maxWidth (\fPclass\fB Maximum)
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The maximum width of the text part of the window in pixels,
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used if no size was specified in the geometry.
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The default is 0, which means use 70% of the width of the screen.
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.SH ACTIONS
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.TP 8
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.B exit(\fIvalue\fP)
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exit immediately with an exit status of \fIvalue\fP (default 0). This
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action can be used with translations to provide alternate ways of
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exiting \fIxmessage\fP.
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.TP 8
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.B default-exit()
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exit immediately with the exit status specified by the default button.
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If there is no default button, this action has no effect.
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.SH "EXIT STATUS"
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If it detects an error, \fIxmessage\fP returns 1, so this value should
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not be used with a button.
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.SH "SEE ALSO"
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.IR X (__miscmansuffix__),
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.IR echo (1),
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.IR cat (1)
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.br
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.SH AUTHORS
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Chris Peterson, MIT Project Athena
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.br
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Stephen Gildea, X Consortium
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