diff options
Diffstat (limited to 'usr.sbin/bsdconfig/share/dialog.subr')
| -rw-r--r-- | usr.sbin/bsdconfig/share/dialog.subr | 99 |
1 files changed, 86 insertions, 13 deletions
diff --git a/usr.sbin/bsdconfig/share/dialog.subr b/usr.sbin/bsdconfig/share/dialog.subr index bf10388..f614be2 100644 --- a/usr.sbin/bsdconfig/share/dialog.subr +++ b/usr.sbin/bsdconfig/share/dialog.subr @@ -30,6 +30,7 @@ if [ ! "$_DIALOG_SUBR" ]; then _DIALOG_SUBR=1 BSDCFG_SHARE="/usr/share/bsdconfig" . $BSDCFG_SHARE/common.subr || exit 1 +f_dprintf "%s: loading includes..." dialog.subr f_include $BSDCFG_SHARE/strings.subr BSDCFG_LIBE="/usr/libexec/bsdconfig" @@ -42,7 +43,7 @@ f_include_lang $BSDCFG_LIBE/include/messages.subr # execution of dialog from within a sub-shell (so-long as its standard output # is explicitly redirected to this file descriptor). # -: ${DIALOG_TERMINAL_PASSTHRU_FD:=3} +: ${DIALOG_TERMINAL_PASSTHRU_FD:=${TERMINAL_STDOUT_PASSTHRU:-3}} ############################################################ GLOBALS @@ -76,6 +77,11 @@ unset XDIALOG_INFOBOX_TIMEOUT # : ${DIALOG_SELF_INITIALIZE=1} +# +# Default terminal size (used if/when running without a controlling terminal) +# +: ${DEFAULT_TERMINAL_SIZE:=24 80} + ############################################################ GENERIC FUNCTIONS # f_dialog_title [$new_title] @@ -192,7 +198,8 @@ f_dialog_infobox_size() max_size="$XDIALOG_MAXSIZE" # see CONFIGURATION else min_width=24 - max_size=$( stty size ) # usually "24 80" + max_size=$( stty size 2> /dev/null ) # usually "24 80" + : ${max_size:=$DEFAULT_TERMINAL_SIZE} fi local max_height="${max_size%%[$IFS]*}" @@ -324,7 +331,8 @@ f_dialog_buttonbox_size() if [ "$USE_XDIALOG" ]; then max_size="$XDIALOG_MAXSIZE" # see CONFIGURATION else - max_size=$( stty size ) # usually "24 80" + max_size=$( stty size 2> /dev/null ) # usually "24 80" + : ${max_size:=$DEFAULT_TERMINAL_SIZE} fi local max_height="${max_size%%[$IFS]*}" [ $height -le $max_height ] || height=$max_height @@ -362,7 +370,8 @@ f_dialog_inputbox_size() max_size="$XDIALOG_MAXSIZE" # see CONFIGURATION else min_width=24 - max_size=$( stty size ) # usually "24 80" + max_size=$( stty size 2> /dev/null ) # usually "24 80" + : ${max_size:=$DEFAULT_TERMINAL_SIZE} fi local max_height="${max_size%%[$IFS]*}" local max_width="${max_size##*[$IFS]}" @@ -471,6 +480,7 @@ f_xdialog_2inputsbox_size() # Add height for a second inputbox height=$(( $height + 2 )) + [ $height -le $max_height ] || height=$max_height # # Bump width for second initial text (if not already at maximum width). @@ -520,7 +530,8 @@ f_dialog_menu_size() else min_width=24 min_rows=0 - max_size=$( stty size ) # usually "24 80" + max_size=$( stty size 2> /dev/null ) # usually "24 80" + : ${max_size:=$DEFAULT_TERMINAL_SIZE} fi local max_width="${max_size##*[$IFS]}" @@ -602,7 +613,8 @@ f_dialog_menu_with_help_size() else min_width=24 min_rows=0 - max_size=$( stty size ) # usually "24 80" + max_size=$( stty size 2> /dev/null ) # usually "24 80" + : ${max_size:=$DEFAULT_TERMINAL_SIZE} fi local max_width="${max_size##*[$IFS]}" @@ -701,7 +713,8 @@ f_dialog_radiolist_size() else min_width=24 min_rows=0 - max_size=$( stty size ) # usually "24 80" + max_size=$( stty size 2> /dev/null ) # usually "24 80" + : ${max_size:=$DEFAULT_TERMINAL_SIZE} fi local max_width="${max_size##*[$IFS]}" @@ -787,7 +800,8 @@ f_dialog_calendar_size() else min_height=0 min_width=40 - max_size=$( stty size ) # usually "24 80" + max_size=$( stty size 2> /dev/null ) # usually "24 80" + : ${max_size:=$DEFAULT_TERMINAL_SIZE} fi local max_height="${max_size%%[$IFS]*}" local max_width="${max_size##*[$IFS]}" @@ -865,7 +879,8 @@ f_dialog_timebox_size() else min_height=0 min_width=20 - max_size=$( stty size ) # usually "24 80" + max_size=$( stty size 2> /dev/null ) # usually "24 80" + : ${max_size:=$DEFAULT_TERMINAL_SIZE} fi local max_height="${max_size%%[$IFS]*}" local max_width="${max_size##*[$IFS]}" @@ -923,7 +938,7 @@ f_dialog_clear() # f_dialog_info $info_text ... # # Throw up a dialog(1) infobox. The infobox remains until another dialog is -# displayed or `dialog --clear' (or dialog_clear) is called. +# displayed or `dialog --clear' (or f_dialog_clear) is called. # f_dialog_info() { @@ -1115,7 +1130,7 @@ f_dialog_noyes() # f_dialog_inputstr # # Obtain the inputstr entered by the user from the most recently displayed -# dialog(1) inputbox and clean up any temporary files. +# dialog(1) inputbox and clean up any temporary files/variables. # f_dialog_inputstr() { @@ -1138,12 +1153,58 @@ f_dialog_inputstr() return $SUCCESS } +# f_dialog_input $prompt [$init [$hline]] +# +# Prompt the user with a dialog(1) inputbox to enter some value. The inputbox +# remains until the the user presses ENTER or ESC, or otherwise ends the +# editing session, by selecting `Cancel' for example. +# +# If the user presses ENTER, the exit status is zero (success), otherwise if +# the user presses ESC the exit status is 255, or if the user chose Cancel, the +# exit status is instead 1. +# +# NOTE: The hline should correspond to the type of data you want from the user. +# NOTE: Should not be used to edit multiline values. +# +f_dialog_input() +{ + local prompt="$1" init="$2" hline="$3" + local size="$( f_dialog_inputbox_size \ + "$DIALOG_TITLE" \ + "$DIALOG_BACKTITLE" \ + "$prompt" \ + "$init" \ + "$hline" )" + + local opterm="--" + [ "$USE_XDIALOG" ] && opterm= + + local dialog_input + dialog_input=$( + eval $DIALOG \ + --title \"\$DIALOG_TITLE\" \ + --backtitle \"\$DIALOG_BACKTITLE\" \ + --hline \"\$hline\" \ + --ok-label \"\$msg_ok\" \ + --cancel-label \"\$msg_cancel\" \ + --inputbox \"\$prompt\" $size \ + $opterm \"\$init\" \ + 2>&1 >&$DIALOG_TERMINAL_PASSTHRU_FD + ) + local retval=$? + + setvar DIALOG_INPUTBOX_$$ "$dialog_input" + f_dialog_inputstr + + return $retval +} + ############################################################ MENU FUNCTIONS # f_dialog_menutag # # Obtain the menutag chosen by the user from the most recently displayed -# dialog(1) menu and clean up any temporary files. +# dialog(1) menu and clean up any temporary files/variables. # f_dialog_menutag() { @@ -1427,10 +1488,22 @@ f_dialog_init() DIALOG_BACKTITLE="$_DIALOG_TITLE" unset _DIALOG_TITLE fi + + f_dprintf "f_dialog_init: dialog(1) API initialized." } ############################################################ MAIN -[ "$DIALOG_SELF_INITIALIZE" ] && f_dialog_init +# +# Self-initialize unless requested otherwise +# +f_dprintf "%s: DIALOG_SELF_INITIALIZE=[%s]" \ + dialog.subr "$DIALOG_SELF_INITIALIZE" +case "$DIALOG_SELF_INITIALIZE" in +""|0|[Nn][Oo]|[Oo][Ff][Ff]|[Ff][Aa][Ll][Ss][Ee]) : do nothing ;; +*) f_dialog_init +esac + +f_dprintf "%s: Successfully loaded." dialog.subr fi # ! $_DIALOG_SUBR |
