Mercurial > dotfiles
changeset 262:44d179225271
Add history substring search plugin
| author | zegervdv <zegervdv@me.com> |
|---|---|
| date | Sun, 24 May 2020 10:24:04 +0200 |
| parents | 217fba8117c8 |
| children | fab71b4ac0b9 |
| files | dot_zsh/.keep dot_zsh/zsh-history-substring-search.zsh dot_zshrc |
| diffstat | 2 files changed, 793 insertions(+), 0 deletions(-) [+] |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/dot_zsh/zsh-history-substring-search.zsh Sun May 24 10:24:04 2020 +0200 @@ -0,0 +1,759 @@ +#!/usr/bin/env zsh +############################################################################## +# +# Copyright (c) 2009 Peter Stephenson +# Copyright (c) 2011 Guido van Steen +# Copyright (c) 2011 Suraj N. Kurapati +# Copyright (c) 2011 Sorin Ionescu +# Copyright (c) 2011 Vincent Guerci +# Copyright (c) 2016 Geza Lore +# Copyright (c) 2017 Bengt Brodersen +# All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are met: +# +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# +# * Redistributions in binary form must reproduce the above +# copyright notice, this list of conditions and the following +# disclaimer in the documentation and/or other materials provided +# with the distribution. +# +# * Neither the name of the FIZSH nor the names of its contributors +# may be used to endorse or promote products derived from this +# software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" +# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE +# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR +# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF +# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS +# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN +# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) +# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE +# POSSIBILITY OF SUCH DAMAGE. +# +############################################################################## + +#----------------------------------------------------------------------------- +# declare global configuration variables +#----------------------------------------------------------------------------- + +typeset -g HISTORY_SUBSTRING_SEARCH_HIGHLIGHT_FOUND='bg=magenta,fg=white,bold' +typeset -g HISTORY_SUBSTRING_SEARCH_HIGHLIGHT_NOT_FOUND='bg=red,fg=white,bold' +typeset -g HISTORY_SUBSTRING_SEARCH_GLOBBING_FLAGS='i' +typeset -g HISTORY_SUBSTRING_SEARCH_ENSURE_UNIQUE='' +typeset -g HISTORY_SUBSTRING_SEARCH_FUZZY='' + +#----------------------------------------------------------------------------- +# declare internal global variables +#----------------------------------------------------------------------------- + +typeset -g BUFFER MATCH MBEGIN MEND CURSOR +typeset -g _history_substring_search_refresh_display +typeset -g _history_substring_search_query_highlight +typeset -g _history_substring_search_result +typeset -g _history_substring_search_query +typeset -g -a _history_substring_search_query_parts +typeset -g -a _history_substring_search_raw_matches +typeset -g -i _history_substring_search_raw_match_index +typeset -g -a _history_substring_search_matches +typeset -g -i _history_substring_search_match_index +typeset -g -A _history_substring_search_unique_filter + +#----------------------------------------------------------------------------- +# the main ZLE widgets +#----------------------------------------------------------------------------- + +history-substring-search-up() { + _history-substring-search-begin + + _history-substring-search-up-history || + _history-substring-search-up-buffer || + _history-substring-search-up-search + + _history-substring-search-end +} + +history-substring-search-down() { + _history-substring-search-begin + + _history-substring-search-down-history || + _history-substring-search-down-buffer || + _history-substring-search-down-search + + _history-substring-search-end +} + +zle -N history-substring-search-up +zle -N history-substring-search-down + +#----------------------------------------------------------------------------- +# implementation details +#----------------------------------------------------------------------------- + +zmodload -F zsh/parameter + +# +# We have to "override" some keys and widgets if the +# zsh-syntax-highlighting plugin has not been loaded: +# +# https://github.com/nicoulaj/zsh-syntax-highlighting +# +if [[ $+functions[_zsh_highlight] -eq 0 ]]; then + # + # Dummy implementation of _zsh_highlight() that + # simply removes any existing highlights when the + # user inserts printable characters into $BUFFER. + # + _zsh_highlight() { + if [[ $KEYS == [[:print:]] ]]; then + region_highlight=() + fi + } + + # + # The following snippet was taken from the zsh-syntax-highlighting project: + # + # https://github.com/zsh-users/zsh-syntax-highlighting/blob/56b134f5d62ae3d4e66c7f52bd0cc2595f9b305b/zsh-syntax-highlighting.zsh#L126-161 + # + # Copyright (c) 2010-2011 zsh-syntax-highlighting contributors + # All rights reserved. + # + # Redistribution and use in source and binary forms, with or without + # modification, are permitted provided that the following conditions are + # met: + # + # * Redistributions of source code must retain the above copyright + # notice, this list of conditions and the following disclaimer. + # + # * Redistributions in binary form must reproduce the above copyright + # notice, this list of conditions and the following disclaimer in the + # documentation and/or other materials provided with the distribution. + # + # * Neither the name of the zsh-syntax-highlighting contributors nor the + # names of its contributors may be used to endorse or promote products + # derived from this software without specific prior written permission. + # + # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS + # IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, + # THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + # PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR + # CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + # EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + # PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + # PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + # LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + # NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + # SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + # + #--------------8<-------------------8<-------------------8<----------------- + # Rebind all ZLE widgets to make them invoke _zsh_highlights. + _zsh_highlight_bind_widgets() + { + # Load ZSH module zsh/zleparameter, needed to override user defined widgets. + zmodload zsh/zleparameter 2>/dev/null || { + echo 'zsh-syntax-highlighting: failed loading zsh/zleparameter.' >&2 + return 1 + } + + # Override ZLE widgets to make them invoke _zsh_highlight. + local cur_widget + for cur_widget in ${${(f)"$(builtin zle -la)"}:#(.*|_*|orig-*|run-help|which-command|beep|yank*)}; do + case $widgets[$cur_widget] in + + # Already rebound event: do nothing. + user:$cur_widget|user:_zsh_highlight_widget_*);; + + # User defined widget: override and rebind old one with prefix "orig-". + user:*) eval "zle -N orig-$cur_widget ${widgets[$cur_widget]#*:}; \ + _zsh_highlight_widget_$cur_widget() { builtin zle orig-$cur_widget -- \"\$@\" && _zsh_highlight }; \ + zle -N $cur_widget _zsh_highlight_widget_$cur_widget";; + + # Completion widget: override and rebind old one with prefix "orig-". + completion:*) eval "zle -C orig-$cur_widget ${${widgets[$cur_widget]#*:}/:/ }; \ + _zsh_highlight_widget_$cur_widget() { builtin zle orig-$cur_widget -- \"\$@\" && _zsh_highlight }; \ + zle -N $cur_widget _zsh_highlight_widget_$cur_widget";; + + # Builtin widget: override and make it call the builtin ".widget". + builtin) eval "_zsh_highlight_widget_$cur_widget() { builtin zle .$cur_widget -- \"\$@\" && _zsh_highlight }; \ + zle -N $cur_widget _zsh_highlight_widget_$cur_widget";; + + # Default: unhandled case. + *) echo "zsh-syntax-highlighting: unhandled ZLE widget '$cur_widget'" >&2 ;; + esac + done + } + #-------------->8------------------->8------------------->8----------------- + + _zsh_highlight_bind_widgets +fi + +_history-substring-search-begin() { + setopt localoptions extendedglob + + _history_substring_search_refresh_display= + _history_substring_search_query_highlight= + + # + # If the buffer is the same as the previously displayed history substring + # search result, then just keep stepping through the match list. Otherwise + # start a new search. + # + if [[ -n $BUFFER && $BUFFER == ${_history_substring_search_result:-} ]]; then + return; + fi + + # + # Clear the previous result. + # + _history_substring_search_result='' + + if [[ -z $BUFFER ]]; then + # + # If the buffer is empty, we will just act like up-history/down-history + # in ZSH, so we do not need to actually search the history. This should + # speed things up a little. + # + _history_substring_search_query= + _history_substring_search_query_parts=() + _history_substring_search_raw_matches=() + + else + # + # For the purpose of highlighting we keep a copy of the original + # query string. + # + _history_substring_search_query=$BUFFER + + # + # compose search pattern + # + if [[ -n $HISTORY_SUBSTRING_SEARCH_FUZZY ]]; then + # + # `=` split string in arguments + # + _history_substring_search_query_parts=(${=_history_substring_search_query}) + else + _history_substring_search_query_parts=(${==_history_substring_search_query}) + fi + + # + # Escape and join query parts with wildcard character '*' as seperator + # `(j:CHAR:)` join array to string with CHAR as seperator + # + local search_pattern="*${(j:*:)_history_substring_search_query_parts[@]//(#m)[\][()|\\*?#<>~^]/\\$MATCH}*" + + # + # Find all occurrences of the search pattern in the history file. + # + # (k) returns the "keys" (history index numbers) instead of the values + # (R) returns values in reverse older, so the index of the youngest + # matching history entry is at the head of the list. + # + _history_substring_search_raw_matches=(${(k)history[(R)(#$HISTORY_SUBSTRING_SEARCH_GLOBBING_FLAGS)${search_pattern}]}) + fi + + # + # In order to stay as responsive as possible, we will process the raw + # matches lazily (when the user requests the next match) to choose items + # that need to be displayed to the user. + # _history_substring_search_raw_match_index holds the index of the last + # unprocessed entry in _history_substring_search_raw_matches. Any items + # that need to be displayed will be added to + # _history_substring_search_matches. + # + # We use an associative array (_history_substring_search_unique_filter) as + # a 'set' data structure to ensure uniqueness of the results if desired. + # If an entry (key) is in the set (non-empty value), then we have already + # added that entry to _history_substring_search_matches. + # + _history_substring_search_raw_match_index=0 + _history_substring_search_matches=() + _history_substring_search_unique_filter=() + + # + # If $_history_substring_search_match_index is equal to + # $#_history_substring_search_matches + 1, this indicates that we + # are beyond the end of $_history_substring_search_matches and that we + # have also processed all entries in + # _history_substring_search_raw_matches. + # + # If $#_history_substring_search_match_index is equal to 0, this indicates + # that we are beyond the beginning of $_history_substring_search_matches. + # + # If we have initially pressed "up" we have to initialize + # $_history_substring_search_match_index to 0 so that it will be + # incremented to 1. + # + # If we have initially pressed "down" we have to initialize + # $_history_substring_search_match_index to 1 so that it will be + # decremented to 0. + # + if [[ $WIDGET == history-substring-search-down ]]; then + _history_substring_search_match_index=1 + else + _history_substring_search_match_index=0 + fi +} + +_history-substring-search-end() { + setopt localoptions extendedglob + + _history_substring_search_result=$BUFFER + + # the search was successful so display the result properly by clearing away + # existing highlights and moving the cursor to the end of the result buffer + if [[ $_history_substring_search_refresh_display -eq 1 ]]; then + region_highlight=() + CURSOR=${#BUFFER} + fi + + # highlight command line using zsh-syntax-highlighting + _zsh_highlight + + # highlight the search query inside the command line + if [[ -n $_history_substring_search_query_highlight ]]; then + # highlight first matching query parts + local highlight_start_index=0 + local highlight_end_index=0 + local query_part + for query_part in $_history_substring_search_query_parts; do + local escaped_query_part=${query_part//(#m)[\][()|\\*?#<>~^]/\\$MATCH} + # (i) get index of pattern + local query_part_match_index="${${BUFFER:$highlight_start_index}[(i)(#$HISTORY_SUBSTRING_SEARCH_GLOBBING_FLAGS)${escaped_query_part}]}" + if [[ $query_part_match_index -le ${#BUFFER:$highlight_start_index} ]]; then + highlight_start_index=$(( $highlight_start_index + $query_part_match_index )) + highlight_end_index=$(( $highlight_start_index + ${#query_part} )) + region_highlight+=("$(($highlight_start_index - 1)) $(($highlight_end_index - 1)) $_history_substring_search_query_highlight") + fi + done + fi + + # For debugging purposes: + # zle -R "mn: "$_history_substring_search_match_index" m#: "${#_history_substring_search_matches} + # read -k -t 200 && zle -U $REPLY + + # Exit successfully from the history-substring-search-* widgets. + return 0 +} + +_history-substring-search-up-buffer() { + # + # Check if the UP arrow was pressed to move the cursor within a multi-line + # buffer. This amounts to three tests: + # + # 1. $#buflines -gt 1. + # + # 2. $CURSOR -ne $#BUFFER. + # + # 3. Check if we are on the first line of the current multi-line buffer. + # If so, pressing UP would amount to leaving the multi-line buffer. + # + # We check this by adding an extra "x" to $LBUFFER, which makes + # sure that xlbuflines is always equal to the number of lines + # until $CURSOR (including the line with the cursor on it). + # + local buflines XLBUFFER xlbuflines + buflines=(${(f)BUFFER}) + XLBUFFER=$LBUFFER"x" + xlbuflines=(${(f)XLBUFFER}) + + if [[ $#buflines -gt 1 && $CURSOR -ne $#BUFFER && $#xlbuflines -ne 1 ]]; then + zle up-line-or-history + return 0 + fi + + return 1 +} + +_history-substring-search-down-buffer() { + # + # Check if the DOWN arrow was pressed to move the cursor within a multi-line + # buffer. This amounts to three tests: + # + # 1. $#buflines -gt 1. + # + # 2. $CURSOR -ne $#BUFFER. + # + # 3. Check if we are on the last line of the current multi-line buffer. + # If so, pressing DOWN would amount to leaving the multi-line buffer. + # + # We check this by adding an extra "x" to $RBUFFER, which makes + # sure that xrbuflines is always equal to the number of lines + # from $CURSOR (including the line with the cursor on it). + # + local buflines XRBUFFER xrbuflines + buflines=(${(f)BUFFER}) + XRBUFFER="x"$RBUFFER + xrbuflines=(${(f)XRBUFFER}) + + if [[ $#buflines -gt 1 && $CURSOR -ne $#BUFFER && $#xrbuflines -ne 1 ]]; then + zle down-line-or-history + return 0 + fi + + return 1 +} + +_history-substring-search-up-history() { + # + # Behave like up in ZSH, except clear the $BUFFER + # when beginning of history is reached like in Fish. + # + if [[ -z $_history_substring_search_query ]]; then + + # we have reached the absolute top of history + if [[ $HISTNO -eq 1 ]]; then + BUFFER= + + # going up from somewhere below the top of history + else + zle up-line-or-history + fi + + return 0 + fi + + return 1 +} + +_history-substring-search-down-history() { + # + # Behave like down-history in ZSH, except clear the + # $BUFFER when end of history is reached like in Fish. + # + if [[ -z $_history_substring_search_query ]]; then + + # going down from the absolute top of history + if [[ $HISTNO -eq 1 && -z $BUFFER ]]; then + BUFFER=${history[1]} + _history_substring_search_refresh_display=1 + + # going down from somewhere above the bottom of history + else + zle down-line-or-history + fi + + return 0 + fi + + return 1 +} + +_history_substring_search_process_raw_matches() { + # + # Process more outstanding raw matches and append any matches that need to + # be displayed to the user to _history_substring_search_matches. + # Return whether there were any more results appended. + # + + # + # While we have more raw matches. Process them to see if there are any more + # matches that need to be displayed to the user. + # + while [[ $_history_substring_search_raw_match_index -lt $#_history_substring_search_raw_matches ]]; do + # + # Move on to the next raw entry and get its history index. + # + _history_substring_search_raw_match_index+=1 + local index=${_history_substring_search_raw_matches[$_history_substring_search_raw_match_index]} + + # + # If HISTORY_SUBSTRING_SEARCH_ENSURE_UNIQUE is set to a non-empty value, + # then ensure that only unique matches are presented to the user. + # When HIST_IGNORE_ALL_DUPS is set, ZSH already ensures a unique history, + # so in this case we do not need to do anything. + # + if [[ ! -o HIST_IGNORE_ALL_DUPS && -n $HISTORY_SUBSTRING_SEARCH_ENSURE_UNIQUE ]]; then + # + # Get the actual history entry at the new index, and check if we have + # already added it to _history_substring_search_matches. + # + local entry=${history[$index]} + + if [[ -z ${_history_substring_search_unique_filter[$entry]} ]]; then + # + # This is a new unique entry. Add it to the filter and append the + # index to _history_substring_search_matches. + # + _history_substring_search_unique_filter[$entry]=1 + _history_substring_search_matches+=($index) + + # + # Indicate that we did find a match. + # + return 0 + fi + + else + # + # Just append the new history index to the processed matches. + # + _history_substring_search_matches+=($index) + + # + # Indicate that we did find a match. + # + return 0 + fi + + done + + # + # We are beyond the end of the list of raw matches. Indicate that no + # more matches are available. + # + return 1 +} + +_history-substring-search-has-next() { + # + # Predicate function that returns whether any more older matches are + # available. + # + + if [[ $_history_substring_search_match_index -lt $#_history_substring_search_matches ]]; then + # + # We did not reach the end of the processed list, so we do have further + # matches. + # + return 0 + + else + # + # We are at the end of the processed list. Try to process further + # unprocessed matches. _history_substring_search_process_raw_matches + # returns whether any more matches were available, so just return + # that result. + # + _history_substring_search_process_raw_matches + return $? + fi +} + +_history-substring-search-has-prev() { + # + # Predicate function that returns whether any more younger matches are + # available. + # + + if [[ $_history_substring_search_match_index -gt 1 ]]; then + # + # We did not reach the beginning of the processed list, so we do have + # further matches. + # + return 0 + + else + # + # We are at the beginning of the processed list. We do not have any more + # matches. + # + return 1 + fi +} + +_history-substring-search-found() { + # + # A match is available. The index of the match is held in + # $_history_substring_search_match_index + # + # 1. Make $BUFFER equal to the matching history entry. + # + # 2. Use $HISTORY_SUBSTRING_SEARCH_HIGHLIGHT_FOUND + # to highlight the current buffer. + # + BUFFER=$history[$_history_substring_search_matches[$_history_substring_search_match_index]] + _history_substring_search_query_highlight=$HISTORY_SUBSTRING_SEARCH_HIGHLIGHT_FOUND +} + +_history-substring-search-not-found() { + # + # No more matches are available. + # + # 1. Make $BUFFER equal to $_history_substring_search_query so the user can + # revise it and search again. + # + # 2. Use $HISTORY_SUBSTRING_SEARCH_HIGHLIGHT_NOT_FOUND + # to highlight the current buffer. + # + BUFFER=$_history_substring_search_query + _history_substring_search_query_highlight=$HISTORY_SUBSTRING_SEARCH_HIGHLIGHT_NOT_FOUND +} + +_history-substring-search-up-search() { + _history_substring_search_refresh_display=1 + + # + # Select history entry during history-substring-down-search: + # + # The following variables have been initialized in + # _history-substring-search-up/down-search(): + # + # $_history_substring_search_matches is the current list of matches that + # need to be displayed to the user. + # $_history_substring_search_match_index is the index of the current match + # that is being displayed to the user. + # + # The range of values that $_history_substring_search_match_index can take + # is: [0, $#_history_substring_search_matches + 1]. A value of 0 + # indicates that we are beyond the beginning of + # $_history_substring_search_matches. A value of + # $#_history_substring_search_matches + 1 indicates that we are beyond + # the end of $_history_substring_search_matches and that we have also + # processed all entries in _history_substring_search_raw_matches. + # + # If $_history_substring_search_match_index equals + # $#_history_substring_search_matches and + # $_history_substring_search_raw_match_index is not greater than + # $#_history_substring_search_raw_matches, then we need to further process + # $_history_substring_search_raw_matches to see if there are any more + # entries that need to be displayed to the user. + # + # In _history-substring-search-up-search() the initial value of + # $_history_substring_search_match_index is 0. This value is set in + # _history-substring-search-begin(). _history-substring-search-up-search() + # will initially increment it to 1. + # + + if [[ $_history_substring_search_match_index -gt $#_history_substring_search_matches ]]; then + # + # We are beyond the end of $_history_substring_search_matches. This + # can only happen if we have also exhausted the unprocessed matches in + # _history_substring_search_raw_matches. + # + # 1. Update display to indicate search not found. + # + _history-substring-search-not-found + return + fi + + if _history-substring-search-has-next; then + # + # We do have older matches. + # + # 1. Move index to point to the next match. + # 2. Update display to indicate search found. + # + _history_substring_search_match_index+=1 + _history-substring-search-found + + else + # + # We do not have older matches. + # + # 1. Move the index beyond the end of + # _history_substring_search_matches. + # 2. Update display to indicate search not found. + # + _history_substring_search_match_index+=1 + _history-substring-search-not-found + fi + + # + # When HIST_FIND_NO_DUPS is set, meaning that only unique command lines from + # history should be matched, make sure the new and old results are different. + # + # However, if the HIST_IGNORE_ALL_DUPS shell option, or + # HISTORY_SUBSTRING_SEARCH_ENSURE_UNIQUE is set, then we already have a + # unique history, so in this case we do not need to do anything. + # + if [[ -o HIST_IGNORE_ALL_DUPS || -n $HISTORY_SUBSTRING_SEARCH_ENSURE_UNIQUE ]]; then + return + fi + + if [[ -o HIST_FIND_NO_DUPS && $BUFFER == $_history_substring_search_result ]]; then + # + # Repeat the current search so that a different (unique) match is found. + # + _history-substring-search-up-search + fi +} + +_history-substring-search-down-search() { + _history_substring_search_refresh_display=1 + + # + # Select history entry during history-substring-down-search: + # + # The following variables have been initialized in + # _history-substring-search-up/down-search(): + # + # $_history_substring_search_matches is the current list of matches that + # need to be displayed to the user. + # $_history_substring_search_match_index is the index of the current match + # that is being displayed to the user. + # + # The range of values that $_history_substring_search_match_index can take + # is: [0, $#_history_substring_search_matches + 1]. A value of 0 + # indicates that we are beyond the beginning of + # $_history_substring_search_matches. A value of + # $#_history_substring_search_matches + 1 indicates that we are beyond + # the end of $_history_substring_search_matches and that we have also + # processed all entries in _history_substring_search_raw_matches. + # + # In _history-substring-search-down-search() the initial value of + # $_history_substring_search_match_index is 1. This value is set in + # _history-substring-search-begin(). _history-substring-search-down-search() + # will initially decrement it to 0. + # + + if [[ $_history_substring_search_match_index -lt 1 ]]; then + # + # We are beyond the beginning of $_history_substring_search_matches. + # + # 1. Update display to indicate search not found. + # + _history-substring-search-not-found + return + fi + + if _history-substring-search-has-prev; then + # + # We do have younger matches. + # + # 1. Move index to point to the previous match. + # 2. Update display to indicate search found. + # + _history_substring_search_match_index+=-1 + _history-substring-search-found + + else + # + # We do not have younger matches. + # + # 1. Move the index beyond the beginning of + # _history_substring_search_matches. + # 2. Update display to indicate search not found. + # + _history_substring_search_match_index+=-1 + _history-substring-search-not-found + fi + + # + # When HIST_FIND_NO_DUPS is set, meaning that only unique command lines from + # history should be matched, make sure the new and old results are different. + # + # However, if the HIST_IGNORE_ALL_DUPS shell option, or + # HISTORY_SUBSTRING_SEARCH_ENSURE_UNIQUE is set, then we already have a + # unique history, so in this case we do not need to do anything. + # + if [[ -o HIST_IGNORE_ALL_DUPS || -n $HISTORY_SUBSTRING_SEARCH_ENSURE_UNIQUE ]]; then + return + fi + + if [[ -o HIST_FIND_NO_DUPS && $BUFFER == $_history_substring_search_result ]]; then + # + # Repeat the current search so that a different (unique) match is found. + # + _history-substring-search-down-search + fi +} + +# -*- mode: zsh; sh-indentation: 2; indent-tabs-mode: nil; sh-basic-offset: 2; -*- +# vim: ft=zsh sw=2 ts=2 et
--- a/dot_zshrc Sat May 23 22:17:29 2020 +0200 +++ b/dot_zshrc Sun May 24 10:24:04 2020 +0200 @@ -1,5 +1,8 @@ # vim:ft=zsh +source ~/.zsh/zsh-history-substring-search.zsh +export HISTORY_SUBSTRING_SEARCH_HIGHLIGHT_FOUND='bg=green,fg=black' + export LC_ALL=$LANG PROMPT='%F{cyan}%T%f %F{red}%m%f %F{blue}%~%b%f @@ -10,14 +13,37 @@ vim_cmd_mode="%F{green}[NRM]%f" vim_mode=$vim_ins_mode +# Cursor mapping from nyquase/vi-mode +function select_cursor() { + case $KEYMAP in + # Block cursor in normal and visual mode + vicmd) echo -ne "\e[2 q";; + # Line cursor in insert mode + main|viins) echo -ne "\e[5 q";; + # Else Block cursor + *) echo -ne "\e[2 q";; + esac +} + function zle-keymap-select { vim_mode="${${KEYMAP/vicmd/${vim_cmd_mode}}/(main|viins)/${vim_ins_mode}}" zle reset-prompt + zle -R + select_cursor } zle -N zle-keymap-select +function zle-line-init() { + echoti smkx + zle reset-prompt + select_cursor +} +zle -N zle-line-init + function zle-line-finish { vim_mode=$vim_ins_mode + echoti rmkx + echo -ne "\e[2 q" } zle -N zle-line-finish @@ -32,6 +58,14 @@ bindkey -v +bindkey '^[[A' history-substring-search-up +bindkey '^[[B' history-substring-search-down +bindkey "$terminfo[kcuu1]" history-substring-search-up +bindkey "$terminfo[kcud1]" history-substring-search-down +bindkey '^p' history-substring-search-up +bindkey '^n' history-substring-search-down + + export CLICOLOR=1 export LS_COLORS='no=00;37:fi=00:di=00;33:ln=04;36:pi=40;33:so=01;35:bd=40;33;01:'