3 if [[ "$(type -t _gsu_setup)" != "function" ]]; then
4 gsu_dir=${gsu_dir:-${BASH_SOURCE[0]%/*}}
5 . $gsu_dir/common || exit 1
9 _gsu_node_name_pattern='[a-zA-Z_]'
16 gsu_msg "fatal: could not get terminal geometry"
27 local g text="$1" init="$2"
31 result="$(dialog --inputbox "$text" $g "$init" 3>&1 1>&2 2>&3 3>&-)"
49 dialog --textbox "$file" $g || return
53 # dialog segfaults if message is too long. Hence we always use a temporary file
56 local tmp="$(mktemp gsu_msgbox.XXXXXXXXXX)"
60 result='temp file for textbox'
65 rm -f "$tmp" # ignore errors
70 local header="${1:-root}"
72 local i state opts num=0
80 result="$(dialog --menu "$gsu_banner_txt ($header)" $opts 3>&1 1>&2 2>&3 3>&-)"
83 1) ret=1;; # cancelled
85 result="menu error $ret"
92 local tmp="${1%%$_gsu_node_name_pattern*}"
98 local tree="$1" root="${2%/}"
101 ret=-$E_GSU_MENU_TREE
102 result="subtree grep failed"
103 first="$(grep -n "$TAB\{1,\}$root/" <<< "$tree")" || return
104 [[ -z "$first" ]] && return
106 line_num="${first%%:*}"
107 _get_level "${first#*:}"
110 #echo "line: $line_num, root: $root, indent level: $level"
111 result="$(sed -e "1,${line_num}d;" <<< "$tree" \
112 | sed -e "/^$TAB\{1,$level\}$_gsu_node_name_pattern/,\$d" \
113 | sed -e "/^$TAB\{$(($level + 2))\}/d")"
115 ret=-$E_GSU_MENU_TREE
116 result="sed command for subtree $root failed"
124 local tree="$1" TAB=' '
126 result="$(grep "^${TAB}${_gsu_node_name_pattern}" <<< "$tree")"
128 ret=-$E_GSU_MENU_TREE
129 result="root node grep failed"
137 local header="$1" old_header
138 local tree="$2" subtree="$3"
141 _gsu_menu "$header" "$subtree"
142 (($ret < 0)) && return
143 [[ -z "$result" ]] && return # menu was cancelled
144 if [[ "${result%/}" != "$result" ]]; then
147 _get_subtree "$tree" "$header"
148 (($ret < 0)) && return
149 _browse "$header" "$tree" "$result"
150 (($ret < 0)) && return
154 eval ${gsu_name}_$result
160 local tree="$1" subtree
162 type -t dialog &> /dev/null
164 gsu_msg "dialog executable not found"
167 _get_root_nodes "$tree"
169 _browse "main menu" "$tree" "$subtree"