.\"
.\" Copyright (c) 2021-2024 Alfonso Sabato Siciliano
.\"
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.\" modification, are permitted provided that the following conditions
.\" are met:
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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.Dd May 25, 2024
.Dt BSDDIALOG 1
.Os
.Sh NAME
.Nm bsddialog
.Nd TUI dialogs
.Sh SYNOPSIS
.Nm
.Fl Fl help | Fl Fl version
.Nm
.Op Fl Fl option
.Fl Fl dialog
.Ar text
.Ar rows
.Ar cols
.Op Ar dialog-argument
.Op Fl Fl option
.Nm
\&...
.Fl Fl dialog1
.Ar ...
.Oo Fl Fl and-dialog
.Fl Fl dialog2
.Ar ...
.Oc ...
.Sh DESCRIPTION
The
.Nm bsddialog
utility builds Text User Interface dialogs and widgets.
.Pp
The option
.Fl Fl help
prints a brief list of features and exits.
The option
.Fl Fl version
prints the version and exits.
The option
.Fl Fl and-dialog
builds another dialog unless the previous one returns Error, ESC or Cancel.
.Pp
Each dialog accepts
.Ar text
to print a message inside,
.Ar rows
and
.Ar cols
to set height and width,
.Dv 0
for autosize and
.Dv -1
for fullscreen.
.Pp
The possible input from the user interface is printed to standard error at exit.
.Ss Options
The following options can change the default behavior of the utility and are
common to some dialog.
.Bl -tag -width Ds
.It Fl Fl alternate-screen
If available set alternate screen mode, see
.Xr terminfo 5 .
.It Fl Fl ascii-lines
Ascii characters to draw lines.
.It Fl Fl backtitle Ar backtitle
Screen title.
.It Fl Fl begin-x Ar x
Set dialog horizontal position,
.Dv -1
center,
.Dv 0
left screen.
.It Fl Fl begin-y Ar y
Set dialog vertical position,
.Dv -1
center,
.Dv 0
top screen.
.It Fl Fl bikeshed
Random settings.
Colors, title delimiter, button delimiter; see theme features.
Title margin.
Buttons always active or TAB to switch focus with other components, see
.Fl Fl switch-buttons .
Zero padding with time output; see
.Fl Fl time-format .
Zero padding with date output; see
.Fl Fl date-format .
User Interface date format for
.Fl Fl datebox ;
see
.Fl Fl datebox-format .
.It Fl Fl cancel-exit-code Ar retval
Set an exit code value for the
.Dq Cancel
button.
.It Fl Fl cancel-label Ar label
Label for the
.Dq Cancel
button.
.It Fl Fl clear-dialog
Hide the dialog at exit.
.It Fl Fl clear-screen
Clear the screen, wait a dialog if built.
.It Fl Fl columns-per-row Ar columns
Try to set the number of columns for a row of text with autosizing; default
.Dv 10 .
.It Fl Fl cr-wrap
Keep new line in
.Ar text
also if it constains a
.Dq \en ,
see
.Fl Fl text-unchanged .
.It Fl Fl datebox-format Ar format
String to customize
.Fl Fl datebox
interface, possible values:
.Dq d/m/y ,
.Dq m/y/d ,
.Dq y/m/d .
.It Fl Fl date-format Ar format
String accepted by
.Xr strftime 3
to customize the output of
.Fl Fl datebox
and
.Fl Fl calendar .
.It Fl Fl default-button Ar label
Focus on the button with
.Ar label
on startup.
.It Fl Fl default-item Ar name
Focus on the item with
.Ar name ,
for Checklist, Menu, Radiolist and Treeview.
.It Fl Fl default-no
Focus on
.Dq Cancel
or
.Dq \&No
button on startup.
.It Fl Fl disable-esc
Disable ESC key to quit.
.It Fl Fl error-exit-code Ar retval
Set an exit code value for the
.Nm
errors.
.It Fl Fl esc-exit-code Ar retval
Set an exit code value for the
.Dv ESC
key.
.It Fl Fl extra-button
Add a button with
.Dq Extra
label.
.It Fl Fl extra-exit-code Ar retval
Set an exit code value for the
.Dq Extra
button.
.It Fl Fl extra-label Ar label
Set
.Ar label
for the
.Dq Extra
button.
.It Fl Fl left1-button Ar label
Add a button with
.Ar label .
.It Fl Fl left1-exit-code Ar retval
Set an exit code for
.Fl Fl left1-button .
.It Fl Fl left2-button Ar label
Add a button with
.Ar label .
.It Fl Fl left2-exit-code Ar retval
Set an exit code for
.Fl Fl left2-button .
.It Fl Fl left3-button Ar label
Add a button with
.Ar label .
.It Fl Fl left3-exit-code Ar retval
Set an exit code for
.Fl Fl left3-button .
.It Fl Fl help-button
Add a button with
.Dq Help
label.
.It Fl Fl help-exit-code Ar retval
Set an exit code value for the
.Dq Help
button.
.It Fl Fl help-label Ar label
Set
.Ar label
for
.Dq Help
button.
.It Fl Fl help-print-items
Print also the selected items or form values if the
.Dq Help
button is pressed.
.It Fl Fl help-print-name
Print the name of the focused item if the
.Dq Help
button is pressed also
with
.Fl Fl item-bottom-desc .
.It Fl Fl hfile Ar filename
Open
.Ar filename
in a Textbox if F1 key is pressed.
.It Fl Fl hline Ar string
Dialog subtitle.
.It Fl Fl hmsg Ar string
Open a Msgbox with
.Ar string
if the F1 key is pressed.
.It Fl Fl ignore
Do not exit with unknown options.
.It Fl Fl insecure
Print
.Sq *
to hide passwords while typing, white space otherwise.
.It Fl Fl item-bottom-desc
Set a help string for each item of a Checklist, Form, Menu, Mixedform,
Passwordform, Radiolist and Treeview to display at the bottom screen side.
.It Fl Fl item-depth
Specify a margin for items, available for Checklist, Menu and Radiolist.
.It Fl Fl item-prefix
Set a string to prefix each item of a Checklist, Menu, Radiolist or Treeview.
.It Fl Fl load-theme Ar file
Load theme from
.Ar file .
.It Fl Fl max-input Ar size
Maximum length of the input for
.Fl Fl inputbox
and
.Fl Fl passwordbox ,
default 2048.
.It Fl Fl no-cancel
Do not show
.Dq Cancel
button.
.It Fl Fl no-descriptions
Do not display items desciption, for Checklist, Menu, Radiolist or Treeview;
mutually exclusive with
.Fl Fl no-names .
.It Fl Fl no-lines
Do not draw borders and lines.
.It Fl Fl no-names
Do not display items name, for Checklist, Menu and Radiolist; mutually exclusive
with
.Fl Fl no-descriptions .
.It Fl Fl no-ok
Do not draw
.Dq OK
button.
.It Fl Fl no-shadow
No not draw the shadow of the dialog.
.It Fl Fl ok-label Ar label
Set
.Ar label
for
.Dq OK
button.
.It Fl Fl ok-exit-code Ar retval
Set an exit code value for the
.Dq Ok
button.
.It Fl Fl normal-screen
If available set normal screen mode, see
.Xr terminfo 5 .
.It Fl Fl output-fd Ar fd
Print input from user interface to the specified file descriptor.
.It Fl Fl output-separator Ar sep
Set a sepator for the items in output, default white space.
.It Fl Fl print-maxsize
Screen size.
This option can be used without a dialog.
.It Fl Fl print-size
Print dialog height and width at exit.
.It Fl Fl print-version
Print version.
This option can be used without a dialog.
.It Fl Fl quoted
Quote items in output, default only when necessary.
.It Fl Fl right1-button Ar label
Add a button with
.Ar label .
.It Fl Fl right1-exit-code Ar retval
Set an exit code for
.Fl Fl right1-button .
.It Fl Fl right2-button Ar label
Add a button with
.Ar label .
.It Fl Fl right2-exit-code Ar retval
Set an exit code for
.Fl Fl right2-button .
.It Fl Fl right3-button Ar label
Add a button with
.Ar label .
.It Fl Fl right3-exit-code Ar retval
Set an exit code for
.Fl Fl right3-button .
.It Fl Fl save-theme Ar file
Save the current theme.
This option can be used without a dialog.
.It Fl Fl separate-output
Print selected items separated by a new line and avoid to quote.
.It Fl Fl shadow
Show a shadow for the dialog, enabled by default.
.It Fl Fl single-quoted
Use single quote for items in output.
.It Fl Fl sleep Ar secs
Wait
.Ar secs
seconds to close the dialog.
.It Fl Fl stderr
Print input from user interface to standand error, default.
.It Fl Fl stdout
Print input from user interface to standard output.
.It Fl Fl switch-buttons
Enable focus switching between buttons and input components pressing TAB,
otherwise buttons are always active and ENTER key closes the dialog.
Suitable for:
.Fl Fl form ,
.Fl Fl inputbox ,
.Fl Fl mixedform ,
.Fl Fl passwordbox ,
.Fl Fl passwordform ,
.Fl Fl timebox ,
.Fl Fl calendar
and
.Fl Fl datebox .
.It Fl Fl tab-escape
Replace
.Dq \et
with a tab in
.Ar text .
.It Fl Fl tab-len Ar spaces
Number of spaces to print a TAB in
.Ar text .
.It Fl Fl text-escape
Enable escapes in
.Ar text :
.Bl -column -compact
.It Dq \eZ0
black.
.It Dq \eZ1
red.
.It Dq \eZ2
green.
.It Dq \eZ3
yellow.
.It Dq \eZ4
blue.
.It Dq \eZ5
magenta.
.It Dq \eZ6
cyan.
.It Dq \eZ7
white.
.It Dq \eZb
bold.
.It Dq \eZB
disable bold.
.It Dq \eZd
Half bright.
.It Dq \eZD
disable half bright.
.It Dq \eZk
Blink.
.It Dq \eZK
disable blinking.
.It Dq \eZr
reverse foreground and background.
.It Dq \eZR
disable reverse.
.It Dq \eZs
Highlight.
.It Dq \eZS
disable highlighting.
.It Dq \eZu
underline.
.It Dq \eZU
disable underline.
.It Dq \eZn
disable each customization.
.El
.It Fl Fl text-unchanged
Disable
.Ar text
modification.
By default
.Ar text
is changed before to be printed in the dialog.
If it contains at least a
.Dq \en
each new line and TAB is converted to a space, subsequent spaces are merged.
Otherwise new line characters are preserved and a TAB becomes a space.
.It Fl Fl theme Ar theme
Set theme, possible values:
.Dq 3d ,
.Dq blackwhite ,
.Dq flat .
.It Fl Fl time-format Ar format
String accepted by
.Xr strftime 3
to customize the output of
.Fl Fl timebox .
.It Fl Fl timeout-exit-code Ar retval
Set an exit code value for the
.Fl Fl pause
timeout.
.It Fl Fl title Ar title
Dialog title.
.El
.Ss Keys
The following keys are available at runtime:
.Bl -tag -width Ds
.It Ctrl-l
Redraw the dialog.
.It F1
See
.Fl Fl hfile
and
.Fl Fl hmsg .
.It SPACE
Select menu item.
.It UP DOWN LEFT RIGHT - + HOME END PAGEUP PAGEDOWN Ctrl-p Ctrl-n TAB
Navigate elements and set value, depending on the dialog.
.El
.Ss Dialogs
The following dialogs are available:
.Bl -tag -width Ds
.It Fl Fl calendar Ar text Ar rows Ar cols Op Ar day Ar month Ar year
Dialog to select a date.
.It Fl Fl checklist Ar text Ar rows Ar cols Ar menurows Oo Ar name Ar desc \
Ar status Oc ...
Checklist to select some item from a list via the SPACE key.
An item has a
.Ar name ,
.Ar desc
and a default
.Ar status
specified by
.Dq on
or
.Dq off .
The names of the selected items are printed to standard error.
.Ar menurows
is the graphical height of the list, 0 for autosize.
.It Fl Fl datebox Ar text Ar rows Ar cols Op Ar day Ar month Ar year
Dialog to select a date.
.It Fl Fl form Ar text Ar rows Ar cols Ar formrows Oo Ar label Ar ylabel \
Ar xlabel Ar init Ar yfield Ar xfield Ar fieldlen Ar maxletters Oc ...
Dialog to get a list of strings via forms.
A form has a
.Ar label
at the position
.Ar ylabel
and
.Ar xlabel ,
a field to get the input at the position
.Ar yfield
and
.Ar xfield .
.Ar fieldlen
is the field width, if negative is readonly and the width is the absolute value,
if
.Dv 0
the field becomes readonly and its value is the
.Ar init
width.
The field input is not printed to output if it is readonly.
.Ar maxletters
is the maximum input length, if is
.Dv 0
its value is
.Ar fieldlen .
.Ar init
is the default value in the field.
.Ar formrows
is the graphical height of the list,
.Dv 0
for autosize.
.It Fl Fl gauge Ar text Ar rows Ar cols Op Ar percentage
Dialog with a bar to shows
.Ar percentage ,
then it waits to read
.Dq XXX
from the standard input, then the first string replaces percentage and the
following strings replace
.Ar text
until the next
.Dq XXX ,
the loop ends reading
.Dq EOF .
.It Fl Fl infobox Ar text Ar rows Ar cols
Dialog without buttons to display a message and to exit immediately.
.It Fl Fl inputbox Ar text Ar rows Ar cols Op Ar init
Dialog to get a string in input,
.Ar init
is the default value.
.It Fl Fl menu Ar text Ar rows Ar cols Ar menurows Oo Ar name desc Oc ...
Builds a menu to select an item from a list, SPACE key is equivalent to ENTER.
An item has a
.Ar name
and a
.Ar desc .
The name of the selected item is printed to standard error.
.Ar menurows
is the graphical height of the list, 0 for autosize.
.It Fl Fl mixedform Ar text Ar rows Ar cols Ar formrows Oo Ar label Ar ylabel \
Ar xlabel Ar init Ar yfield Ar xfield Ar fieldlen Ar maxletters Ar flag Oc ...
Dialog to get a list of strings via forms.
A form has a
.Ar label
at the position
.Ar ylabel
and
.Ar xlabel ,
a field to get the input at the position
.Ar yfield
and
.Ar xfield .
.Ar fieldlen
is the field width, if negative is readonly and the width is the absolute value,
if
.Dv 0
the field becomes readonly and its value is the
.Ar init
width.
The field input is not printed to output if
.Ar fieldlen
is less than or equal to
.Dv 0 .
.Ar maxletters
is the maximum input length, if is
.Dv 0
its value is
.Ar fieldlen .
.Ar init
is the default value in the field.
.Ar flag
can customize
.Ar field :
.Dv 0
normal,
.Dv 1
hide typed characters,
.Dv 2
readonly.
.Ar formrows
is the graphical height of the list,
.Dv 0
for autosize.
.It Fl Fl mixedgauge Ar text Ar rows Ar cols Ar mainperc Oo Ar minilabel \
Ar miniperc Oc ...
Dialog to show a main bar to represent
.Ar mainperc
from 0 to 100.
Some mini bar with a
.Ar minilabel
string and a
.Ar miniperc
with a value from 0 and 100 or negative to print a descriptive string: -1
.Dq Succeeded ,
-2
.Dq Failed ,
-3
.Dq Passed ,
-4
.Dq Completed ,
-5
.Dq Checked ,
-6
.Dq Done ,
-7
.Dq Skipped ,
-8
.Dq \&In Progress ,
-9
to hide
.Fa miniperc ,
-10
.Dq N/A ,
-11
.Dq Pending ,
otherwise
.Dq UNKNOWN .
.It Fl Fl msgbox Ar text Ar rows Ar cols
Dialog to diplay a message without the
.Dq Cancel
button.
.It Fl Fl passwordbox Ar text Ar rows Ar cols Op Ar init
Dialog to get a password,
.Ar init
is the default value.
.It Fl Fl passwordform Ar text Ar rows Ar cols Ar formrows Oo Ar label \
Ar ylabel Ar xlabel Ar init Ar yfield Ar xfield  Ar fieldlen Ar maxletters \
Oc ...
Dialog to get a list of passwords, equivalent to
.Fl Fl form
except typed characters are hidden.
.It Fl Fl pause Ar text Ar rows Ar cols Ar seconds
Dialog runs until
.Ar seconds
timeout expires or a button is pressed.
.It Fl Fl radiolist Ar text Ar rows Ar cols Ar menurows Oo Ar name Ar desc \
Ar status Oc ...
Radiolist to select at most an item from a list via the SPACE key.
An item has a
.Ar name ,
.Ar desc
and a default
.Ar status
specified by
.Dq on
or
.Dq off .
The name of the selected item is printed to standard error.
.Ar menurows
is the graphical height of the list, 0 for autosize.
.It Fl Fl rangebox Ar text Ar rows Ar cols Ar min Ar max Op Ar init
Dialog to select a value between
.Ar min
and
.Ar max ,
.Ar init
is the default value.
.It Fl Fl textbox Ar file Ar rows Ar cols
Opens and prints
.Ar file .
TAB changes button.
Extra keys 0, h, l, k, j are available to navigate the text.
.Dq OK
button is renamed
.Dq EXIT .
.It Fl Fl timebox Ar text Ar rows Ar cols Op Ar hour Ar min Ar sec
Dialog to select a time.
.It Fl Fl treeview Ar text Ar rows Ar cols Ar menurows Oo Ar depth Ar name \
Ar desc Ar status Oc ...
Equivalent to Radiolist with
.Fl Fl  item-depth
and
.Fl Fl no-name .
.It Fl Fl yesno Ar text Ar rows Ar cols
.Dq Yes-No Question ,
.Dq OK
and
.Dq Cancel
buttons are renamed
.Dq Yes
and
.Dq \&No .
.El
.Sh ENVIRONMENT
The following environment variables take effect only on startup, other options
can override their setting.
.Bl -tag -width indent
.It Ev NO_COLOR
If present and not an empty string (regardless of its value) equivalent to
.Fl Fl theme Ar blackwhite .
.It Ev BSDDIALOG_ERROR , Ev BSDDIALOG_OK , Ev BSDDIALOG_CANCEL , \
Ev BSDDIALOG_HELP , Ev BSDDIALOG_EXTRA , Ev BSDDIALOG_TIMEOUT , \
Ev BSDDIALOG_ESC , Ev BSDDIALOG_LEFT1 , Ev BSDDIALOG_LEFT2 , \
Ev BSDDIALOG_LEFT3 , Ev BSDDIALOG_RIGHT1 , Ev BSDDIALOG_RIGHT2 , \
Ev BSDDIALOG_RIGHT3
Set exit codes.
.It Ev BSDDIALOG_THEMEFILE Ar file
Equivalent to
.Fl Fl load-theme Ar file .
.El
.Sh FILES
The theme file
.Pa $HOME/.bsddialog.conf
is read on startup if exists.
.Sh EXIT STATUS
The
.Nm
utility exits 255 on unsuccessful, otherwise depending on the button or key
pressed the following values can be returned:
.Bl -column -compact
.It 0
.Dq OK ,
.Dq Yes
or
.Dq Exit
button.
.It 1
.Dq Cancel
or
.Dq \&No
button.
.It 2
.Dq Help
button.
.It 3
.Dq Extra
button.
.It 4
Timeout.
.It 5
ESC key.
.It 6
Left1 generic button.
.It 7
Left2 generic button.
.It 8
Left3 generic button.
.It 9
Right1 generic button.
.It 10
Right2 generic button.
.It 11
Right2 generic button.
.El
.Sh EXAMPLES
Backtitle, title and message:
.Dl bsddialog --backtitle MESSAGE --title Msgbox --msgbox Message 0 0
.Pp
Yes-No Question and theme:
.Dl bsddialog --theme blackwhite --yesno Question 10 30
.Pp
Save a custom theme:
.Dl bsddialog --save-theme mytheme.txt --infobox \*qSaving theme...\*q 0 0
.Pp
Load a custom theme:
.Dl bsddialog --load-theme mytheme.txt --infobox \*qCustom theme\*q 0 0
.Pp
Checklist:
.Dl bsddialog --checklist Checklist 0 0 3 N1 \&D1 off N2 D2 on N3 D3 off
.Pp
Form:
.Dl bsddialog --form Form 0 0 0 L1: 0 0 X 0 4 20 25 L2: 1 0 Y 1 4 20 25
.Pp
Multi-dialog:
.Dl bsddialog --normal-screen --begin-y 1 --yesno Continue? 0 0  \e \
--and-dialog --begin-y 10 --infobox Yes 0 0
.Pp
Bikeshed:
.Dl bsddialog --bikeshed --inputbox Example 0 0
.Dl bsddialog --bikeshed --datebox Example 0 0
.Pp
Mixedgauge:
.Dl bsddialog --sleep 3 --mixedgauge Example 10 30 60 L1 \*q -1\*q L2 30
.Pp
Mixedgauge script:
.Bd -literal -offset indent -compact
perc=0
while [ $perc -le 100 ]
do
	bsddialog --sleep 1 --title Mixedgauge          \e
		--mixedgauge "\enExample...\en" 0 0 $perc \e
		"Hidden"   " -9"                        \e
		"Label 1"  " -4"                        \e
		"Label 2"  " -4"                        \e
		"Label 3"  $perc

	perc=`expr $perc + 20`
done
.Ed
.Pp
Gauge script:
.Bd -literal -offset indent -compact
i=1
for c in A B C D E F G H
do
	sleep 1
	echo XXX
	echo "$(expr $(expr $i "*" 100) "/" 8)"
	echo "[$i/8] Char: $c"
	echo XXX
	if [ $i -eq 8 ]
	then
		sleep 1
		echo EOF
	fi
	i=`expr $i + 1`
done | bsddialog --title Gauge --gauge "Starting..." 10 70
.Ed
.Sh COMPATIBILITY
Outdated options are retained for compatibility, properly equivalent options are
used:
.Bd -literal -offset indent -compact
Obsolete                     Equivalent
--and-widget                 --and-dialog
--calendar <text> 2 <cols>   --calendar <text> 0 <cols>
--clear                      --clear-screen
--colors                     --text-escape
--defaultno                  --default-no
--exit-label                 --ok-label
--help-status                --help-print-items
--help-tags                  --help-print-name
--item-help                  --item-bottom-desc
--keep-tite                  --alternate-screen
--no-items                   --no-descriptions
--no-label                   --cancel-label
--no-tags                    --no-names
--nocancel                   --no-cancel
--nook                       --no-ok
--separator                  --output-separator
--yes-label                  --ok-label
.Ed
.Sh SEE ALSO
.Xr bsddialog 3 ,
.Xr strftime 3 ,
.Xr terminfo 5
.Sh HISTORY
The
.Nm bsddialog
utility first appeared in
.Fx 14.0 .
.Sh AUTHORS
.Nm bsddialog
was written by
.An Alfonso Sabato Siciliano
.Aq Mt asiciliano@FreeBSD.org .
.Pp
.Nm bsddialog
provides also a subset of the functionality described in the
.Nm dialog
manual.
The following features were reimplemented:
.Pp
Options:
.Fl Fl and-widget ,
.Fl Fl ascii-lines ,
.Fl Fl backtitle ,
.Fl Fl cancel-label ,
.Fl Fl clear ,
.Fl Fl colors ,
.Fl Fl cr-wrap ,
.Fl Fl date-format ,
.Fl Fl defaultno ,
.Fl Fl default-button ,
.Fl Fl default-no ,
.Fl Fl default-item ,
.Fl Fl exit-label ,
.Fl Fl extra-button ,
.Fl Fl extra-label ,
.Fl Fl help ,
.Fl Fl help-button ,
.Fl Fl help-label ,
.Fl Fl help-status ,
.Fl Fl help-tags ,
.Fl Fl hfile ,
.Fl Fl hline ,
.Fl Fl ignore ,
.Fl Fl insecure ,
.Fl Fl item-help ,
.Fl Fl keep-tite ,
.Fl Fl max-input ,
.Fl Fl no-cancel ,
.Fl Fl nocancel ,
.Fl Fl no-items ,
.Fl Fl no-label ,
.Fl Fl no-lines ,
.Fl Fl no-ok ,
.Fl Fl nook ,
.Fl Fl no-shadow ,
.Fl Fl no-tags ,
.Fl Fl ok-label ,
.Fl Fl output-fd ,
.Fl Fl output-separator ,
.Fl Fl print-maxsize ,
.Fl Fl print-size ,
.Fl Fl print-version ,
.Fl Fl quoted ,
.Fl Fl separate-output ,
.Fl Fl separator ,
.Fl Fl shadow ,
.Fl Fl single-quoted ,
.Fl Fl sleep ,
.Fl Fl stderr ,
.Fl Fl stdout ,
.Fl Fl tab-len ,
.Fl Fl time-format ,
.Fl Fl title ,
.Fl Fl version ,
.Fl Fl yes-label .
.Pp
Keys: Ctrl-l, F1.
.Pp
Dialogs:
.Fl Fl calendar ,
.Fl Fl checklist ,
.Fl Fl form ,
.Fl Fl gauge ,
.Fl Fl infobox ,
.Fl Fl inputbox ,
.Fl Fl menu ,
.Fl Fl mixedform ,
.Fl Fl mixedgauge ,
.Fl Fl msgbox ,
.Fl Fl passwordbox ,
.Fl Fl passwordform ,
.Fl Fl pause ,
.Fl Fl radiolist ,
.Fl Fl rangebox ,
.Fl Fl textbox ,
.Fl Fl timebox ,
.Fl Fl treeview ,
.Fl Fl yesno .
.Pp
Some feature differs in input, output, or behavior.
Compatibility is not a priority for future development.
.Sh THANKS TO
.An Baptiste Daroussin
.Aq Mt bapt@FreeBSD.org ,
.An \&Ed Maste
.Aq Mt emaste@FreeBSD.org ,
.An Juraj Lutter
.Aq Mt otis@FreeBSD.org
and
.An Trenton Schulz
for suggestions, help, and testing.