3 source $FEISTY_MEOW_SCRIPTS/core/functions.sh
5 # just saying this is an array...
6 #declare -a PRIOR_TERMINAL_TITLES
8 # set the stack position if not already set.
9 if [ -z "$PTT_STACK_INDEX" ]; then
10 # this variable records where we will push new items on the stack.
14 # returns okay (0) if the stack is empty, or non-zero if not empty.
15 function ptt_stack_empty()
17 if [ -z "$PTT_STACK_INDEX" ]; then
18 # fix the index value.
22 test $PTT_STACK_INDEX -le 0
26 # a debugging function that should never have been necessary.
27 # a little bit furious the restore is failing during regenerate right now.
28 function show_terminal_titles()
30 echo terminal title list now has:
31 local i=${#PRIOR_TERMINAL_TITLES[@]}
32 if ptt_stack_empty; then
33 echo the list is empty
36 echo "ent #$i: '${PRIOR_TERMINAL_TITLES[$i]}'"
41 # adds an entry into the stack of terminal titles.
42 function push_ptt_stack()
44 PRIOR_TERMINAL_TITLES[$PTT_STACK_INDEX]="$*"
46 echo stack index incremented and now at $PTT_STACK_INDEX
50 function pop_ptt_stack()
52 if [ $PTT_STACK_INDEX -le 0 ]; then
53 echo nothing to pop from prior terminal titles stack.
56 echo stack index decremented and now at $PTT_STACK_INDEX
57 CURRENT_TERM_TITLE="${PRIOR_TERMINAL_TITLES[$PTT_STACK_INDEX]}"
58 echo "got the last title as '$CURRENT_TERM_TITLE'"
63 # puts a specific textual label on the terminal title bar.
64 # this doesn't consider any previous titles; it just labels the terminal.
65 # the title may not be visible in some window managers.
66 function set_terminal_title()
69 # if we weren't given a title, then use just the hostname. this is the degraded functionality.
70 if [ -z "${title}" ]; then
73 echo -n -e "\033]0;${title}\007"
76 # reads the current terminal title, if possible, and saves it to our stack of titles.
77 function save_terminal_title()
79 # save the former terminal title if we're running in X with xterm.
80 which xprop &>/dev/null
82 if [[ "$TERM" =~ .*"xterm".* ]]; then
83 local prior_title="$(xprop -id $WINDOWID | perl -nle 'print $1 if /^WM_NAME.+= \"(.*)\"$/')"
84 if [ ! -z "$prior_title" ]; then
85 echo "saving prior terminal title as '$prior_title'"
86 push_ptt_stack "$prior_title"
88 echo "not saving prior terminal title which was empty"
94 # using our stored terminal title, this replaces the title on the terminal.
95 function restore_terminal_title()
97 # we don't want to emit anything extra if this is being driven by git.
98 #hmmm... this could be a problem?
99 # if [ -z "$(echo $* | grep git)" ]; then
101 # run the terminal labeller to restore the prior title, if there was one.
102 if ptt_stack_empty; then
103 echo prior titles were empty, so doing nothing.
106 echo "restoring prior terminal title of '$CURRENT_TERM_TITLE'"
107 set_terminal_title "$CURRENT_TERM_TITLE"
111 # sets a title for the terminal with the hostname and other details.
112 function label_terminal_with_info()
114 # we only label the terminal anew if there's no saved title.
115 if ptt_stack_empty; then
116 pruned_host=$(echo $HOSTNAME | sed -e 's/^\([^\.]*\)\..*$/\1/')
117 date_string=$(date +"%Y %b %e @ %T")
119 if [ -z "$user" ]; then
120 # try snagging the windoze name.
123 new_title="-- $user@$pruned_host -- [$date_string]"
124 set_terminal_title "$new_title"
126 # restore the former title.
127 #no restore_terminal_title
128 echo "showing prior terminal title since there was a prior title!"
130 echo "using prior terminal title of '$CURRENT_TERM_TITLE'"
131 set_terminal_title "$CURRENT_TERM_TITLE"
132 push_ptt_stack "$CURRENT_TERM_TITLE"