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Emacs fixes for garbled terminal output #196

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merged 2 commits into from
Feb 16, 2016
Merged

Emacs fixes for garbled terminal output #196

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79b1514
Disable setting title in emacs terminal (not supported)
mafredri Feb 15, 2016
a0a3e88
Use zle reset-prompt to restore cursor instead of relying on ansi codes
mafredri Feb 15, 2016
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11 changes: 7 additions & 4 deletions pure.zsh
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Original file line number Diff line number Diff line change
Expand Up @@ -85,6 +85,9 @@ prompt_pure_check_git_arrows() {
}

prompt_pure_set_title() {
# emacs terminal does not support settings the title
(( ${+EMACS} )) && return

# tell the terminal we are setting the title
print -n '\e]0;'
# show hostname if connected through ssh
Expand Down Expand Up @@ -174,17 +177,17 @@ prompt_pure_preprompt_render() {
elif (( last_lines < lines )); then
# move cursor using newlines because ansi cursor movement can't push the cursor beyond the last line
printf $'\n'%.0s {1..$(( lines - last_lines ))}

# redraw the prompt since it has been moved by print
zle && zle .reset-prompt
fi

# disable clearing of line if last char of preprompt is last column of terminal
local clr='\e[K'
(( COLUMNS * lines == preprompt_length )) && clr=

# modify previous preprompt
print -Pn "\e7${clr_prev_preprompt}\e[${lines}A\e[1G${preprompt}${clr}\e8"
print -Pn "${clr_prev_preprompt}\e[${lines}A\e[${COLUMNS}D${preprompt}${clr}\n"

# redraw prompt (also resets cursor position)
zle && zle .reset-prompt
fi

# store previous preprompt for comparison
Expand Down