prezto_config/modules/terminal/init.zsh
2012-09-25 01:30:20 -04:00

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#
# Sets terminal window and tab titles.
#
# Authors:
# James Cox <james@imaj.es>
# Sorin Ionescu <sorin.ionescu@gmail.com>
#
# Return if requirements are not found.
if [[ "$TERM" == 'dumb' ]]; then
return 1
fi
# Set the GNU Screen window number.
if [[ -n "$WINDOW" ]]; then
export SCREEN_NO="%B${WINDOW}%b "
else
export SCREEN_NO=""
fi
# Sets the GNU Screen title.
function set-screen-window-title {
if [[ "$TERM" == screen* ]]; then
printf "\ek%s\e\\" ${(V)argv}
fi
}
# Sets the terminal window title.
function set-terminal-window-title {
if [[ "$TERM" == ((x|a|ml|dt|E)term*|(u|)rxvt*) ]]; then
printf "\e]2;%s\a" ${(V)argv}
fi
}
# Sets the terminal tab title.
function set-terminal-tab-title {
if [[ "$TERM" == ((x|a|ml|dt|E)term*|(u|)rxvt*) ]]; then
printf "\e]1;%s\a" ${(V)argv}
fi
}
# Sets the tab and window titles with a given command.
function set-titles-with-command {
# Do not set the window and tab titles in Terminal.app because they are not
# reset upon command termination.
if [[ "$TERM_PROGRAM" == 'Apple_Terminal' ]]; then
return 1
fi
emulate -L zsh
setopt LOCAL_OPTIONS EXTENDED_GLOB
# Get the command name that is under job control.
if [[ "${1[(w)1]}" == (fg|%*)(\;|) ]]; then
# Get the job name, and, if missing, set it to the default %+.
local job_name="${${1[(wr)%*(\;|)]}:-%+}"
# Make a local copy for use in the subshell.
local -A jobtexts_from_parent_shell
jobtexts_from_parent_shell=(${(kv)jobtexts})
jobs $job_name 2>/dev/null > >(
read index discarded
# The index is already surrounded by brackets: [1].
set-titles-with-command "${(e):-\$jobtexts_from_parent_shell$index}"
)
else
# Set the command name, or in the case of sudo or ssh, the next command.
local cmd=${${1[(wr)^(*=*|sudo|ssh|-*)]}:t}
local truncated_cmd="${cmd/(#m)?(#c15,)/${MATCH[1,12]}...}"
if [[ "$TERM" == screen* ]]; then
set-screen-window-title "$truncated_cmd"
else
set-terminal-window-title "$cmd"
set-terminal-tab-title "$truncated_cmd"
fi
fi
}
# Sets the tab and window titles with a given path.
function set-titles-with-path {
local absolute_path="${${1:a}:-$PWD}"
if [[ "$TERM_PROGRAM" == 'Apple_Terminal' ]]; then
printf '\e]7;%s\a' "file://$HOST${absolute_path// /%20}"
else
local abbreviated_path="${absolute_path/#$HOME/~}"
local truncated_path="${abbreviated_path/(#m)?(#c15,)/...${MATCH[-12,-1]}}"
if [[ "$TERM" == screen* ]]; then
set-screen-window-title "$truncated_path"
else
set-terminal-window-title "$abbreviated_path"
set-terminal-tab-title "$truncated_path"
fi
fi
}
# Don't override precmd/preexec; append to hook array.
autoload -Uz add-zsh-hook
# Sets the tab and window titles before the prompt is displayed.
function set-titles-precmd {
if zstyle -t ':prezto:module:terminal' auto-title; then
set-titles-with-path
fi
}
add-zsh-hook precmd set-titles-precmd
# Sets the tab and window titles before command execution.
function set-titles-preexec {
if zstyle -t ':prezto:module:terminal' auto-title; then
set-titles-with-command "$2"
fi
}
add-zsh-hook preexec set-titles-preexec