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ohmyzsh/lib/termsupport.zsh
Andrew Janke 90ea67edf0 termsupport: protect title() with emulate -L zsh
This prevents it from malfunctioning when `setopt prompt_subst` is off.
2015-07-31 22:23:12 -04:00

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# Set terminal window and tab/icon title
#
# usage: title short_tab_title [long_window_title]
#
# See: http://www.faqs.org/docs/Linux-mini/Xterm-Title.html#ss3.1
# Fully supports screen, iterm, and probably most modern xterm and rxvt
# (In screen, only short_tab_title is used)
# Limited support for Apple Terminal (Terminal can't set window and tab separately)
function title {
emulate -L zsh
setopt prompt_subst
[[ "$EMACS" == *term* ]] && return
# if $2 is unset use $1 as default
# if it is set and empty, leave it as is
: ${2=$1}
if [[ "$TERM" == screen* ]]; then
print -Pn "\ek$1:q\e\\" #set screen hardstatus, usually truncated at 20 chars
elif [[ "$TERM" == xterm* ]] || [[ "$TERM" == rxvt* ]] || [[ "$TERM" == ansi ]] || [[ "$TERM_PROGRAM" == "iTerm.app" ]]; then
print -Pn "\e]2;$2:q\a" #set window name
print -Pn "\e]1;$1:q\a" #set icon (=tab) name
fi
}
ZSH_THEME_TERM_TAB_TITLE_IDLE="%15<..<%~%<<" #15 char left truncated PWD
ZSH_THEME_TERM_TITLE_IDLE="%n@%m: %~"
# Runs before showing the prompt
function omz_termsupport_precmd {
if [[ $DISABLE_AUTO_TITLE == true ]]; then
return
fi
title $ZSH_THEME_TERM_TAB_TITLE_IDLE $ZSH_THEME_TERM_TITLE_IDLE
}
# Runs before executing the command
function omz_termsupport_preexec {
if [[ $DISABLE_AUTO_TITLE == true ]]; then
return
fi
emulate -L zsh
setopt extended_glob
# cmd name only, or if this is sudo or ssh, the next cmd
local CMD=${1[(wr)^(*=*|sudo|ssh|rake|-*)]:gs/%/%%}
local LINE="${2:gs/%/%%}"
title '$CMD' '%100>...>$LINE%<<'
}
precmd_functions+=(omz_termsupport_precmd)
preexec_functions+=(omz_termsupport_preexec)
# Runs before showing the prompt, to update the current directory in Terminal.app
function omz_termsupport_cwd {
# Notify Terminal.app of current directory using undocumented OSC sequence
# found in OS X 10.9 and 10.10's /etc/bashrc
if [[ $TERM_PROGRAM == Apple_Terminal ]] && [[ -z $INSIDE_EMACS ]]; then
local PWD_URL="file://$HOSTNAME${PWD// /%20}"
printf '\e]7;%s\a' "$PWD_URL"
fi
}
precmd_functions+=(omz_termsupport_cwd)