56 lines
1.7 KiB
Bash
56 lines
1.7 KiB
Bash
# Dumb terminals lack support.
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if [[ "$TERM" == 'dumb' ]]; then
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return
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fi
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# Set the GNU Screen window number.
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if [[ -n "$WINDOW" ]]; then
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SCREEN_NO="%B$WINDOW%b "
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else
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SCREEN_NO=""
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fi
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# Fully supports GNU Screen, iTerm, and most modern xterm and rxvt terminals.
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# Partially supports Mac OS X Terminal since it can't set window and tab separately.
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# Usage: title "tab title" "window title"
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function terminal-title {
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if [[ "$DISABLE_AUTO_TITLE" != 'true' ]]; then
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if [[ "$TERM" == screen* ]]; then
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# Set GNU Screen's hardstatus (usually truncated at 20 characters).
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printf "\ek%s\e\\" ${(V)1}
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elif [[ "$TERM" == xterm* ]] || [[ "$TERM" == rxvt* ]]; then
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# Set the window title.
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printf "\e]2;%s\a" ${(V)2}
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# Set the tab title (will override window title on a broken terminal).
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printf "\e]1;%s\a" ${(V)1}
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fi
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fi
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}
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# Don't override precmd/preexec, append to hook array.
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autoload -Uz add-zsh-hook
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# Set the tab and window titles before the prompt is displayed.
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function terminal-title-precmd {
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# 15 character, left-truncated current working directory.
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local terminal_tab_title="${(%):-%15<...<%~%<<}"
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local terminal_window_title="${(%):-%n@%m: %~}"
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terminal-title "$terminal_tab_title" "$terminal_window_title"
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}
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add-zsh-hook precmd terminal-title-precmd
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# Set the tab and window titles before command execution.
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function terminal-title-preexec {
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emulate -L zsh
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setopt extended_glob
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# Command name only, or if this is sudo or ssh, the next command.
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local CMD=${1[(wr)^(*=*|sudo|ssh|-*)]}
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local trimmed="${2[1,100]}"
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if [[ "$2" != "$trimmed" ]]; then
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trimmed="${trimmed}..."
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fi
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terminal-title "$CMD" "$trimmed"
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}
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add-zsh-hook preexec terminal-title-preexec
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