#!/bin/bash
+# Copyright (C) 2006 Andre Noll
+# Licensed under the LGPL, version 3. See COPYING and COPYING.LESSER.
if [[ "$(type -t _gsu_setup)" != "function" ]]; then
gsu_dir=${gsu_dir:-${BASH_SOURCE[0]%/*}}
- . $gsu_dir/common || exit 1
+ . "$gsu_dir/common" || exit 1
_gsu_setup
fi
fi
x="${result#* }"
y="${result%% *}"
- (($x > 190)) && x=190
+ ((x > 190)) && x=190
result="$y $x"
}
+_set_dialog_ret()
+{
+ local ec="$1"
+
+ case "$ec" in
+ 0) ret=$GSU_SUCCESS;;
+ 1|255) ret=1;; # cancelled
+ *)
+ result="dialog exit code $ec"
+ ret=-$E_GSU_DIALOG
+ esac
+}
+
# Open a dialog box which asks the user to input a text
#
# Usage: gsu_input_box <text> <init>
_get_geometry
g="$result"
result="$(dialog --inputbox "$text" $g "$init" 3>&1 1>&2 2>&3 3>&-)"
- if (($? != 0)); then
- ret=-$E_GSU_DIALOG
- result='inputbox'
- return
- fi
- ret=$GSU_SUCCESS
+ _set_dialog_ret $?
}
# Show the given file in a text box
ret=-$E_GSU_DIALOG
result='textbox'
- dialog --textbox "$file" $g || return
- ret=$GSU_SUCCESS
+ dialog --textbox "$file" $g
+ _set_dialog_ret $?
}
# Show a message in a text box
# This is like gsu_textbox() but the text is passed as a string.
gsu_msgbox()
{
+ local tmp
+
# Some versions of dialog segfault if the text is too long. Hence we
# always use a temporary file.
- local tmp="$(mktemp gsu_msgbox.XXXXXXXXXX)"
-
- if (($? != 0)); then
- ret=-$E_GSU_MKTEMP
- result='temp file for textbox'
- return
- fi
+ gsu_make_tempfile 'gsu_msgbox.XXXXXXXXXX'
+ ((ret < 0)) && return
+ tmp="$result"
+ trap "rm -f $tmp" EXIT
echo "$1" > "$tmp"
gsu_textbox "$tmp"
rm -f "$tmp" # ignore errors
{
local header="${1:-root}"
local items="$2"
- local i state opts num=0
+ local geom
_get_geometry
- opts="$result 16"
- for i in $items; do
- let num++
- opts+=" $i $num"
- done
- result="$(dialog --menu "$gsu_banner_txt ($header)" $opts 3>&1 1>&2 2>&3 3>&-)"
- case $? in
- 0) ret=$GSU_SUCCESS;;
- 1) ret=1;; # cancelled
- *)
- result="menu error $ret"
- ret=-$E_GSU_DIALOG
- esac
+ geom=$result
+ result="$(dialog --no-lines --no-items --menu \
+ "$gsu_banner_txt ($header)" \
+ $geom 16 $items 3>&1 1>&2 2>&3 3>&-)"
+ _set_dialog_ret $?
}
_get_level()
#echo "line: $line_num, root: $root, indent level: $level"
result="$(sed -e "1,${line_num}d;" <<< "$tree" \
| sed -e "/^$TAB\{1,$level\}$_gsu_node_name_pattern/,\$d" \
- | sed -e "/^$TAB\{$(($level + 2))\}/d")"
+ | sed -e "/^$TAB\{$((level + 2))\}/d")"
if (($? != 0)); then
ret=-$E_GSU_MENU_TREE
result="sed command for subtree $root failed"
while :; do
_gsu_menu "$header" "$subtree"
- (($ret < 0)) && return
+ ((ret < 0)) && return
[[ -z "$result" ]] && return # menu was cancelled
if [[ "${result%/}" != "$result" ]]; then
old_header="$header"
header="$result"
_get_subtree "$tree" "$header"
- (($ret < 0)) && return
+ ((ret < 0)) && return
_browse "$header" "$tree" "$result"
- (($ret < 0)) && return
+ ((ret < 0)) && return
header="$old_header"
continue
fi