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zimfw/modules/input/init.zsh
Eric Nielsen 7519f17645 [input] fix prompt after <Tab><Tab><Ctrl-C>
The issue is fixed by adding `zle redisplay` after `zle
expand-and-complete` for the expand-and-complete key binding. An
additional `print -n '...'` is also included to show an indicator while
the menu is loading, and that is purely cosmetic.

There's still one glitch: the prompt jumps one line up after
<Tab><Tab><Ctrl-C>. This was observed in Prezto too.

Fixes #85, closes #89
2016-10-25 16:13:49 -07:00

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#
# Editor and input char assignment
#
# Return if requirements are not found.
if [[ ${TERM} == 'dumb' ]]; then
return 1
fi
# Use human-friendly identifiers.
zmodload zsh/terminfo
typeset -gA key_info
key_info=(
'Control' '\C-'
'ControlLeft' '\e[1;5D \e[5D \e\e[D \eOd \eOD'
'ControlRight' '\e[1;5C \e[5C \e\e[C \eOc \eOC'
'Escape' '\e'
'Meta' '\M-'
'Backspace' "^?"
'Delete' "^[[3~"
'F1' "${terminfo[kf1]}"
'F2' "${terminfo[kf2]}"
'F3' "${terminfo[kf3]}"
'F4' "${terminfo[kf4]}"
'F5' "${terminfo[kf5]}"
'F6' "${terminfo[kf6]}"
'F7' "${terminfo[kf7]}"
'F8' "${terminfo[kf8]}"
'F9' "${terminfo[kf9]}"
'F10' "${terminfo[kf10]}"
'F11' "${terminfo[kf11]}"
'F12' "${terminfo[kf12]}"
'Insert' "${terminfo[kich1]}"
'Home' "${terminfo[khome]}"
'PageUp' "${terminfo[kpp]}"
'End' "${terminfo[kend]}"
'PageDown' "${terminfo[knp]}"
'Up' "${terminfo[kcuu1]}"
'Left' "${terminfo[kcub1]}"
'Down' "${terminfo[kcud1]}"
'Right' "${terminfo[kcuf1]}"
'BackTab' "${terminfo[kcbt]}"
)
# Bind the keys
local key
for key in "${(s: :)key_info[ControlLeft]}"; do
bindkey ${key} backward-word
done
for key in "${(s: :)key_info[ControlRight]}"; do
bindkey ${key} forward-word
done
if [[ -n "${key_info[Home]}" ]]; then
bindkey "${key_info[Home]}" beginning-of-line
fi
if [[ -n "${key_info[End]}" ]]; then
bindkey "${key_info[End]}" end-of-line
fi
if [[ -n "${key_info[PageUp]}" ]]; then
bindkey "${key_info[PageUp]}" up-line-or-history
fi
if [[ -n "${key_info[PageDown]}" ]]; then
bindkey "${key_info[PageDown]}" down-line-or-history
fi
if [[ -n "${key_info[Insert]}" ]]; then
bindkey "${key_info[Insert]}" overwrite-mode
fi
if [[ ${zdouble_dot_expand} == "true" ]]; then
double-dot-expand() {
if [[ ${LBUFFER} == *.. ]]; then
LBUFFER+='/..'
else
LBUFFER+='.'
fi
}
zle -N double-dot-expand
bindkey "." double-dot-expand
fi
bindkey "${key_info[Delete]}" delete-char
bindkey "${key_info[Backspace]}" backward-delete-char
bindkey "${key_info[Left]}" backward-char
bindkey "${key_info[Right]}" forward-char
# Expandpace.
bindkey ' ' magic-space
# Clear
bindkey "${key_info[Control]}L" clear-screen
# Bind Shift + Tab to go to the previous menu item.
if [[ -n "${key_info[BackTab]}" ]]; then
bindkey "${key_info[BackTab]}" reverse-menu-complete
fi
# Redisplay after completing, and avoid blank prompt after <Tab><Tab><Ctrl-C>
expand-or-complete-with-redisplay() {
print -n '...'
zle expand-or-complete
zle redisplay
}
zle -N expand-or-complete-with-redisplay
bindkey "${key_info[Control]}I" expand-or-complete-with-redisplay
# Put into application mode and validate ${terminfo}
zle-line-init() {
if (( ${+terminfo[smkx]} )); then
echoti smkx
fi
}
zle-line-finish() {
if (( ${+terminfo[rmkx]} )); then
echoti rmkx
fi
}
zle -N zle-line-init
zle -N zle-line-finish