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# --- SDE-COPYRIGHT-NOTE-BEGIN ---
# This copyright note is auto-generated by ./scripts/Create-CopyPatch.
#
# Filename: package/.../stone/stone_gui_dialog.sh
# Copyright (C) 2007 The OpenSDE Project
# Copyright (C) 2004 - 2006 The T2 SDE Project
# Copyright (C) 1998 - 2003 Clifford Wolf
#
# More information can be found in the files COPYING and README.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; version 2 of the License. A copy of the
# GNU General Public License can be found in the file COPYING.
# --- SDE-COPYRIGHT-NOTE-END ---
#
# Filename: gui_dialog.sh
# Description:
# ============
# This file provides the gui-functions implemented with
# the use of dialog, i.e. a curses based menu-frontend.
gui_dialog_lines="$( stty size | cut -d' ' -f1 )"
gui_dialog_columns="$( stty size | cut -d' ' -f2 )"
gui_dialog_s70=$(( gui_dialog_columns - 10 ))
gui_dialog_s62=$(( gui_dialog_columns - 18 ))
gui_dialog_s15=$(( gui_dialog_lines - 10 ))
gui_dialog() {
dialog --stdout --title 'STONE - Setup Tool ONE - System Configuration' "$@"
}
# [ the following variables act as staticly declared variables in functions (in
# C), i.e. they keep their content even after return of the certain function
# to be used again and again in this function. ]
#
# Important is to know that an element of `gui_menu_tree_name' corresponds
# to an element of `gui_menu_tree_value' by the same number, i.e.
# gui_menu_tree_value[0] contains the value of gui_menu_tree_name[0]
#
declare -a gui_menu_tree_name
declare -a gui_menu_tree_value
gui_menu_tree_id=-1
# Use: gui_menu "ID" "Title" "Text" "Action" [ "Text" "Action" [ .. ] ]
#
gui_menu() {
# `cmd_ar' acts as a kind of mapper between the choosen category
# and the function's/command's name that is responsible for what
# next is to do. This command/function is finally executed.
local -a cmd_ar
# Although dialog does folding itself, we're forced
# to do it directly, because we need the number of
# lines to compute the size of a widget.
local id="$1" title="$( echo "$2" | fmt -$gui_dialog_s62 )"
local y_text=$( echo "$title" | wc -l ) y_menu=$(( ($#-2) / 2 ))
local nr=1 x="'" y choosen='' ; shift 2
[ $(( $y_text + $y_menu )) -gt $gui_dialog_s15 ] && \
y_menu=$(( gui_dialog_s15 - y_text ))
if [ $id = main ] ; then local cmd="gui_dialog --cancel-label Exit"
elif [ "$gui_nocancel" = 1 ] ; then cmd="gui_dialog --no-cancel"
else local cmd="gui_dialog --cancel-label Back" ; fi
# In case of having been in the current menu before (found out by
# checking the current ID for the ones saved in `gui_menu_tree_name[]'),
# make the old item be cursored again.
local default='' count
for (( count=$gui_menu_tree_id; $count >= 0; count-- ))
do
if [ "${gui_menu_tree_name[$count]}" = $id ] ; then
default="${gui_menu_tree_value[$count]}"
gui_menu_tree_id=$(( $count - 1 ))
break
fi
done
cmd="$cmd --default-item \${default:-0}"
cmd="$cmd --menu '${title//$x/$x\\$x$x}'"
cmd="$cmd $(( $y_text + $y_menu + 6 )) $gui_dialog_s70 $y_menu"
while [ $# -gt 0 ] ; do
y="${2#\*}"
if [ -z "$default" -a "$y" != "$2" ] ; then
default="$nr"
fi
if [ -z "$y" ] ; then
if [ -z "$1" ] ; then
# this line should become a blank one
cmd="$cmd ' ' ' '"
else
# the purpose of this line is only to
# display additional information about
# the item before
cmd="$cmd '-' '${1//$x/$x\\$x$x}'"
fi
else
cmd="$cmd $nr '${1//$x/$x\\$x$x}'"
cmd_ar[$nr]="$y"
((nr++))
fi
shift ; shift
done
# `choosen' gets the choosen item that represents in fact
# the dereferencer for `cmd_ar'.
choosen="$(eval "$cmd")"
if [ $? -eq 0 ]; then
# if enter is pressed on an ``additional information line'',
# do nothing.
[ "$choosen" = "-" ] && return 0
gui_menu_tree_id=$(( $gui_menu_tree_id + 1 ))
gui_menu_tree_name[$gui_menu_tree_id]=$id
gui_menu_tree_value[$gui_menu_tree_id]=$choosen
eval "${cmd_ar[$choosen]}"
return 0
else
return 1
fi
}
# Use: gui_input "Text" "Default" "VarName"
#
gui_input() {
local headlines="$( echo "$1" | fmt -$gui_dialog_s62 )" \
height=$(( $(echo "$headlines" | wc -l) + 7 )) tmp cmd
if [ "$gui_nocancel" = 1 ] ; then cmd="gui_dialog --no-cancel"
else local cmd="gui_dialog --cancel-label Back" ; fi
if tmp="$($cmd --inputbox "$headlines" $height $gui_dialog_s70 "$2")"; then
eval "$3='$tmp'"
fi
}
# Use: gui_message "Text"
#
gui_message() {
local headlines="$( echo "$1" | fmt -$gui_dialog_s62 )"
gui_dialog --msgbox "$headlines" \
$(( $( echo "$headlines" | wc -l ) + 4 )) $gui_dialog_s70
}
# Use: gui_yesno "Text"
#
gui_yesno() {
local headlines="$( echo "$1" | fmt -$gui_dialog_s62 )"
gui_dialog --yesno "$headlines" \
$(( $( echo "$headlines" | wc -l ) + 4 )) $gui_dialog_s70
}
# Use: gui_edit "Text" "File"
#
gui_edit() {
# find editor
for x in $EDITOR vi nvi emacs xemacs pico ; do
if type -p $x > /dev/null
then xx=$x ; break ; fi
done
if [ "$xx" ] ; then
eval "$xx $2"
else
gui_message "Cannot find any editor. Make sure \$EDITOR is set."
fi
}
# Use: gui_cmd "Title" "Command"
# (Title isn't used in this GUI type)
gui_cmd() {
shift ; eval "$@"
read -p "Press ENTER to continue."
}