7ddffd1fa6
* .Bl may only have .It children * .SH requires an argument * blank lines are illegal outside literal context Now "cd /usr/xenocara && make man" succeeds, but unfortunately, that covers a minority of X11 manuals only. ok matthieu@
319 lines
9.4 KiB
Groff
319 lines
9.4 KiB
Groff
.\" x11-ssh-askpass.man
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.\" Created by Matthieu Herrb <matthieu@laas.fr> for OpenBSD
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.\" Modified by Jim Knoble <jmknoble@jmknoble.cx> for non-OpenBSD
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.\" distribution
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.\"
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.Dd @DATE@
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.Dt @NAME@ 1
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.Os "Version @VERSION@"
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.Sh NAME
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.Nm @NAME@
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.Nd an X11-based pass-phrase dialog for use with OpenSSH
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.Sh SYNOPSIS
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.Nm @NAME@
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.Op options
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.Op label
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.Sh DESCRIPTION
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.Nm
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is an X11-based pass-phrase dialog for use with OpenSSH.
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It is intended to be called from the
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.Xr ssh-add 1
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program and not invoked directly.
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.Pp
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.Nm
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supports most standard Toolkit command line arguments, with the
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exception of
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.Ar -geometry ,
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.Ar -borderwidth ,
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.Ar -iconic ,
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.Ar -rv ,
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and
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.Ar -title .
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See
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.Xr X 1 .
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.Pp
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If exactly one non-option argument is provided on the command line, it
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is displayed in the dialog instead of the default label.
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If the argument contains newline characters ('\\n'), each line of text
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is displayed on a separate line in the dialog.
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.Pp
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The features of
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.Nm
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are as follows:
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.Bl -dash -offset indent
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.It
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Configurable via the standard X resource mechanisms
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.Pa /etc/X11/app-defaults ,
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.Pa ~/.Xdefaults ,
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.Xr xrdb 1 ,
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etc.
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.It
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Requires only stock X11 libraries (\%libXt, \%libX11, \%libSM, \%libICE).
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.It
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Can be configured to grab the keyboard and/or pointer (grabs the
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keyboard by default, not the pointer).
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.El
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.Pp
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The user interface is somewhat different than most password/pass-phrase
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dialogs and more similar to the X11-based pass-phrase dialog that
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accompanies the regular SSH distribution.
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Instead of a text field that fills with asterisks or some other
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character as the user enters the pass-phrase, a series of LED-like
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areas light up one-by-one with each pass-phrase character entered,
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beginning from the left-hand edge of the dialog.
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When they reach the right-hand edge, they go dark one-by-one
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again, and so on.
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This gives the user feedback that pass-phrase characters have been
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entered, but does not provide onlookers with a cue as to the length
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of the pass-phrase.
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.Pp
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Pressing the
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.Sq OK
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button accepts the pass-phrase (even if it is empty),
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which is printed on the standard output, and the dialog exits with a
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status of zero (success).
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Pressing the
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.Sq Cancel
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button discards the
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pass-phrase, and the dialog exits with non-zero status.
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.Pp
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The following keystrokes work as expected:
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.Pp
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.Bl -tag -width "[Backspace]" -offset indent -compact
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.It Bq Backspace
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.It Bq Delete
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Erase previous character
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.Pp
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.It Bq Control+U
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.It Bq Control+X
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Erase entire pass-phrase
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.Pp
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.It Bq Enter
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.It Bq Control+M
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.It Bq Control+J
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Accept pass-phrase (OK)
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.Pp
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.It Bq Escape
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Discard pass-phrase (Cancel)
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.El
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.Sh WIDGETS
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The main window of
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.Nm
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has the widget hierarchy indicated below.
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The widget class name is given first, followed by the instance name.
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.Bl -tag -width "Dialog" -offset indent
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.It Dialog
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dialog
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.Pp
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.Bl -tag -width "Indicator" -compact
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.It Indicator
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indicator
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.It Button
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okButton
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.It Button
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cancelButton
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.El
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.El
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.Sh RESOURCES
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The following resources are used to customize the application
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globally:
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.Bl -tag -width 2n -offset indent
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.It Cm grabKeyboard ( No class Cm GrabKeyboard )
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.Bl -inset -compact
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.It specifies if the application should grab the keyboard.
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.It Default value:
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.Dq True .
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.El
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.It Cm grabPointer ( No class Cm GrabPointer )
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.Bl -inset -compact
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.It specifies if the application should grab the pointer.
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.It Default value:
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.Dq False .
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.El
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.It Cm grabServer ( No class Cm GrabServer )
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.Bl -inset -compact
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.It specifies if the application should grab the server.
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.It Default value:
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.Dq False .
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.El
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.It Cm inputTimeout ( No class Cm InputTimeout )
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.Bl -inset -compact
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.It the number of seconds
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.Nm
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should wait for a key or
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button press before it gives up and exits. A timeout of
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.Dq 0
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means wait forever.
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.It Default value:
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.Dq 0 .
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.El
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.It Cm defaultXResolution ( No class Cm DefaultXResolution )
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.Bl -inset -compact
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.It the number of pixels per unit length that horizontal
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spacing and width values are intended for. If the actual
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horizontal (x) resolution of the X server is significantly
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greater or less than this value, portions of the dialog,
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indicator, and button widgets are stretched or shrunk
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horizontally to take the difference into account. The value
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is a positive integer, followed by a slash
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.Cm ( / )
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and a one- or two-character unit abbreviation. Valid units
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are inches
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.Cm ( in
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or
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.Cm i )
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and meters
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.Cm ( m ) .
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.It Default value:
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.Dq 75/in
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(75 pixels per inch).
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.El
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.It Cm defaultYResolution ( No class Cm DefaultYResolution )
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.Bl -inset -compact
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.It the number of pixels per unit length that vertical
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spacing and height values are intended for. If the actual
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vertical (y) resolution of the X server is significantly
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greater or less than this value, portions of the dialog,
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indicator, and button widgets are stretched or shrunk
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vertically to take the difference into account. Valid
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values are the same as for
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.Cm defaultXResolution
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above.
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.It Default value:
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.Dq 75/in
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(75 pixels per inch).
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.El
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.It Cm xResolutionFuzz ( No class Cm XResolutionFuzz )
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.Bl -inset -compact
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.It the range of
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.Dq fuzz
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around the value of
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.Cm defaultXResolution
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beyond which some widgets will be stretched or shrunk
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horizontally to fit the current actual horizontal
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resolution. Valid values are the same as for
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.Cm defaultXResolution .
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For example, if the default X resolution is
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.Dq 75/in ,
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and the X resolution fuzz is
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.Dq 50/in ,
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then widgets won't be scaled horizontally unless the actual
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horizontal resolution is less than 25 pixels per inch or
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greater than 125 pixels per inch.
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.It Default value:
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.Dq 20/in
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(20 pixels per inch).
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.El
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.It Cm yResolutionFuzz ( No class Cm YResolutionFuzz )
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.Bl -inset -compact
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.It the range of
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.Dq fuzz
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around the value of
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.Cm defaultYResolution
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beyond which some widgets will be stretched or shrunk
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vertically to fit the current actual vertical
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resolution. Valid values are the same as for
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.Cm defaultXResolution
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above.
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.It Default value:
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.Dq 20/in
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(20 pixels per inch).
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.El
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.El
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.Pp
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The following resources are recognized by the Dialog widget:
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.Bl -tag -width 2n -offset indent
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.It Cm title ( No class Cm Title )
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The title of the application as specified to the window manager.
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.It Cm label ( No class Cm Label )
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The label displayed above the led indicators.
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.It Cm font ( No class Cm Font )
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The font to be used to display the first line of label.
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.It Cm fixedFont ( No class Cm FixedFont )
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The font to be used to display the second and following lines of the label.
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.El
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.Pp
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The following Resources are recognized by the dialog, button, and
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indicator widgets and the main widget to customize the 3D appearance
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(all measurements are in pixels):
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.Bl -tag -width 2n -offset indent
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.It Cm foreground ( No class Cm Foreground )
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The foreground color of the widget.
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This is the text color of the label for buttons and dialog and the
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color of the active led for the indicator.
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.It Cm background ( No class Cm Background )
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The background color of the widget.
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In the case of the indicator this is the color of the inactive led.
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.It Cm topShadowColor ( No class Cm TopShadowColor )
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The color used by the sides of the widget exposed to the light (top
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and left).
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.It Cm bottomShadowColor ( No class Cm BottomShadowColor )
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The color used by the sides of the widget in the shadow (right and
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bottom).
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.It Cm shadowThickness ( No class Cm ShadowTickness )
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The thickness of the 3D border of the widget.
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.It Cm borderColor ( No class Cm BorderColor )
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The color of the border around the widget.
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.It Cm borderWidth ( No class Cm BorderWidth )
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The width of the border around the widget.
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.It Cm horizontalSpacing ( No class Cm HorizontalSpacing )
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The space to leave on left and right sides of the widget.
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.It Cm verticalSpacing ( No class Cm VerticalSpacing )
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The space to leave on top and bottom sides of the widget.
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.El
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.Pp
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The following resources are recognized by the indicator widgets:
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.Bl -tag -width 2n -offset indent
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.It Cm minimumCount ( No class Cm MinimumCount )
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The minimum number of indicators to display in the dialog.
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.It Cm maximumCount ( No class Cm MaximumCount )
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The maximum number of indicators to display in the dialog.
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.El
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.Pp
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Each button uses the following resources to customize its label:
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.Bl -tag -width 2n -offset indent
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.It Cm label ( No class Cm Label )
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the string to display on the button.
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.It Cm font ( No class Cm Font )
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the font to use for this button label.
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.El
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.Sh FILES
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.Bl -tag -width "/etc/X11/app-defaults/SshAskpass" -compact
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.It Pa /etc/X11/app-defaults/SshAskpass
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.El
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.Sh SEE ALSO
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.Xr X 1 ,
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.Xr ssh 1 ,
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.Xr ssh-agent 1
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.Sh LICENSE
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Some portions of
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.Nm
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are derived directly or indirectly
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from portions of xscreensaver by Jamie Zawinski <jwz@jwz.org>, while
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others are original works.
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.Pp
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xscreensaver, Copyright \(co 1991-1999 Jamie Zawinski
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.Aq jwz@jwz.org
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.Pp
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Permission to use, copy, modify, distribute, and sell this software
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and its documentation for any purpose is hereby granted without fee,
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provided that the above copyright notice appear in all copies and
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that both that copyright notice and this permission notice appear in
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supporting documentation.
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No representations are made about the suitability of this software
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for any purpose.
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It is provided "as is" without express or implied warranty.
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.Pp
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The remaining portions fall under the following copyright and license:
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.Pp
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.Nm
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by Jim Knoble
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.Aq jmknoble@jmknoble.cx
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Copyright \(co 1999,2000,2001 Jim Knoble
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.Pp
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Permission to use, copy, modify, distribute, and sell this software
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and its documentation for any purpose is hereby granted without fee,
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provided that the above copyright notice appear in all copies and
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that both that copyright notice and this permission notice appear in
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supporting documentation.
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