diff options
Diffstat (limited to 'Functions/Zle')
-rw-r--r-- | Functions/Zle/history-beginning-search-menu | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/Functions/Zle/history-beginning-search-menu b/Functions/Zle/history-beginning-search-menu new file mode 100644 index 000000000..37d3aec17 --- /dev/null +++ b/Functions/Zle/history-beginning-search-menu @@ -0,0 +1,89 @@ +# Menu-driven alternative to history-beginning-search-backward. +# As it uses a menu there is no sense of "forward" or "backward", however; +# the entire history is searched. +# +# Configuration: +# autoload -U history-beginning-search-menu +# zle -N history-beginning-search-menu +# bindkey '\eP' history-beginning-search-menu +# +# Example: +# % /bin/su<ESC-P> +# Enter digit: +# 1 /bin/su -c 'make install' 4 /bin/su - perforce +# 2 /bin/su 5 /bin/su -c +# 3 /bin/su -c 'chown pws:pws **/*(u0)' +# +# Typing "1" expands the line to +# % /bin/su -c 'make install' +# +# With a prefix argument, the search is not anchored to the beginning, +# so for example "/su" could expand to "p4 files //depot/support/..." +# +# If this is bound to a widget containing "-end", e.g. +# zle -N history-beginning-search-menu-end history-beginning-search-menu +# then the cursor is put at the end of the line, else it is left +# after the matched characters. +# +# If this is bound to a widget containing "-space", then any space in +# the line so far is matched as a wildcard. (This means putting a space +# at the start of the line is equivalent to specifying a prefix +# argument.) + +emulate -L zsh +setopt extendedglob + +zmodload -i zsh/parameter + +local -aU matches +local -a display + +local search=$LBUFFER + +if [[ $WIDGET = *-space* ]]; then + search=${search//(#m)[*?#<>]/\\$MATCH/} + search=${search// /*} +fi + +if (( ${+NUMERIC} )); then + matches=(${(o)history[(R)*${search}*]}) +else + matches=(${(o)history[(R)${search}*]}) +fi + +# Filter out any match that's the same as the original. +# Note this isn't a pattern this time. +matches=(${matches:#${LBUFFER}}) + +integer n=${#matches} +integer width=${#n} + +(( n == 0 )) && return 1 + +# Hey, this works... +integer i +display=(${matches/(#m)*/${(l.$width..0.):-$((++i))} $MATCH}) +zle -R "Enter digit${${width##1}:+s}:" $display + +local chars +read -k$width chars + +if [[ $chars != [[:digit:]]## || $chars -eq 0 || $chars -gt $n ]]; then + return 1 +fi + +if [[ $WIDGET = *-end* ]]; then + LBUFFER=${matches[$chars]} RBUFFER= +else + integer newcursor + if (( ${+NUMERIC} )); then + # Advance cursor so that it's still after the string typed + local -a match mbegin mend + if [[ $matches[$chars] = (#b)(*${LBUFFER})* ]]; then + newcursor=${#match[1]} + fi + fi + + BUFFER=${matches[$chars]} + (( newcursor )) && CURSOR=$newcursor +fi |