Merge pull request #4649 from psprint/master

znt: n-history supports multi-line cmds and starts with current buffer
Fixes #4648

plugins/zsh-navigation-tools/.config/znt/n-cd.conf

@@ -1,6 +1,7 @@
 # Hotlist
 local hotlist
 hotlist=(
+    ~/.config/znt
     /usr/share/zsh/site-functions
     /usr/share/zsh
     /usr/local/share/zsh/site-functions

plugins/zsh-navigation-tools/.config/znt/n-history.conf

@@ -3,3 +3,8 @@
 # On Linux virtual terminal this will be enforced to reverse (because of poor
 # underline support on that terminal)
 local active_text=underline
+
+# Highlight a few keywords
+local NLIST_COLORING_PATTERN="(while|for |sudo|make|(#s)git|vim(#e)|vim |emacs(#e)|emacs )"
+local NLIST_COLORING_COLOR=$'\x1b[00;33m'
+local NLIST_COLORING_MATCH_MULTIPLE=1

plugins/zsh-navigation-tools/README.md

@@ -2,16 +2,17 @@
 
 http://imageshack.com/a/img633/7967/ps6rKR.png
 
-A tool generating a selectable curses-based list of elements that has access to
-current Zsh session, i.e. has broad capabilities to work together with it.
-That's n-list. The files n-cd, n-env, n-kill, etc. are applications of
-the tool. Feature highlights include incremental multi-word searching, ANSI
+Set of tools like n-history – multi-word history searcher, n-cd – directory
+bookmark manager, n-kill – htop like kill utility, and more. Based on
+n-list, a tool generating selectable curses-based list of elements that has
+access to current Zsh session, i.e. has broad capabilities to work together
+with it. Feature highlights include incremental multi-word searching, ANSI
 coloring, unique mode, horizontal scroll, non-selectable elements, grepping and
 various integrations with Zsh.
 
 ## History Widget
 
-To have n-history as the incremental searcher bound to Ctrl-R copy znt-*
+To have n-history as multi-word incremental searcher bound to Ctrl-R copy znt-*
 files into the */site-functions dir (unless you use Oh My Zsh) and
 add:
 
@@ -21,13 +22,16 @@ add:
 
 to .zshrc. This is done automatically when using Oh My Zsh. Two other
 widgets exist, znt-cd-widget and znt-kill-widget, they can be too assigned
-to key combinations:
+to key combinations (no need for autoload when using Oh My Zsh):
 
     zle -N znt-cd-widget
     bindkey "^T" znt-cd-widget
     zle -N znt-kill-widget
     bindkey "^Y" znt-kill-widget
 
+Oh My Zsh stores history into ~/.zsh_history. When you switch to OMZ you could
+want to copy your previous data (from e.g. ~/.zhistory) into the new location.
+
 ## Introduction
 
 The tools are:
@@ -99,3 +103,9 @@ expressions, (#s) is ^, (#e) is $, # is *, ## is +. Alternative
 will work when in parenthesis, i.e. (a|b). BTW by using this method you can
 colorize output of the tools, via their config files (check out e.g. n-cd.conf,
 it uses this).
+
+## Performance
+ZNT is fastest with Zsh before 5.0.8 and starting from 5.2 (the version yet to
+be released).
+
+# vim:filetype=conf

plugins/zsh-navigation-tools/n-history

@@ -10,6 +10,7 @@ emulate -L zsh
 
 setopt extendedglob
 zmodload zsh/curses
+zmodload zsh/parameter
 
 local IFS="
 "
@@ -24,16 +25,16 @@ local selected
 
 NLIST_REMEMBER_STATE=0
 
-list=( `builtin history -rn 1` )
+list=( "$history[@]" )
 list=( "${(@M)list:#(#i)*$1*}" )
 
-local NLIST_GREP_STRING="$1"
-
 if [ "$#list" -eq 0 ]; then
     echo "No matching history entries"
     return 1
 fi
 
+local NLIST_GREP_STRING="$1"
+local NLIST_REPLACE_NEWLINES="1"
 n-list "${list[@]}"
 
 if [ "$REPLY" -gt 0 ]; then

plugins/zsh-navigation-tools/n-list

@@ -139,6 +139,7 @@ if [ "$#" -lt 1 ]; then
 fi
 
 REPLY="-1"
+typeset -ga reply
 reply=()
 
 integer term_height="$LINES"
@@ -188,6 +189,11 @@ if [ "$NLIST_START_IN_SEARCH_MODE" -eq 1 ]; then
     NLIST_IS_SEARCH_MODE=1
 fi
 
+if [ -n "$NLIST_SET_SEARCH_TO" ]; then
+    NLIST_SEARCH_BUFFER="$NLIST_SET_SEARCH_TO"
+    NLIST_SET_SEARCH_TO=""
+fi
+
 if [ "$NLIST_START_IN_UNIQ_MODE" -eq 1 ]; then
     NLIST_START_IN_UNIQ_MODE=0
     NLIST_IS_UNIQ_MODE=1
@@ -281,6 +287,9 @@ while (( 1 )); do
         if [ "$prev_start_idx" -ne "$NLIST_FROM_WHAT_IDX_LIST_IS_SHOWN" ]; then
             prev_start_idx="$NLIST_FROM_WHAT_IDX_LIST_IS_SHOWN"
             disp_list=( "${(@)col_list[NLIST_FROM_WHAT_IDX_LIST_IS_SHOWN, end_idx]}" )
+
+            # We have display list, lets replace newlines with "\n" when needed (1/3)
+            [ "$NLIST_REPLACE_NEWLINES" -eq 1 ] && disp_list=( "${(@)disp_list//$'\n'/\\n}" )
         fi
 
         # Output colored list
@@ -333,11 +342,17 @@ while (( 1 )); do
             if [ "$prev_start_idx" -ne "$NLIST_FROM_WHAT_IDX_LIST_IS_SHOWN" ]; then
                 prev_start_idx="$NLIST_FROM_WHAT_IDX_LIST_IS_SHOWN"
                 disp_list=( "${(@)list[NLIST_FROM_WHAT_IDX_LIST_IS_SHOWN, end_idx]}" )
+
+                # We have display list, lets replace newlines with "\n" when needed (2/3)
+                [ "$NLIST_REPLACE_NEWLINES" -eq 1 ] && disp_list=( "${(@)disp_list//$'\n'/\\n}" )
             fi
         else
             if [ "$prev_start_idx" -ne "$NLIST_FROM_WHAT_IDX_LIST_IS_SHOWN" ]; then
                 prev_start_idx="$NLIST_FROM_WHAT_IDX_LIST_IS_SHOWN"
                 disp_list=( "${(@)col_list[NLIST_FROM_WHAT_IDX_LIST_IS_SHOWN, end_idx]}" )
+
+                # We have display list, lets replace newlines with "\n" when needed (3/3)
+                [ "$NLIST_REPLACE_NEWLINES" -eq 1 ] && disp_list=( "${(@)disp_list//$'\n'/\\n}" )
             fi
         fi
 

plugins/zsh-navigation-tools/znt-history-widget

@@ -1,8 +1,10 @@
 autoload znt-usetty-wrapper n-history
 local NLIST_START_IN_SEARCH_MODE=1
 local NLIST_START_IN_UNIQ_MODE=1
+local NLIST_SET_SEARCH_TO="$BUFFER"
 
 znt-usetty-wrapper n-history "$@"
 
 unset NLIST_START_IN_SEARCH_MODE
 unset NLIST_START_IN_UNIQ_MODE
+unset NLIST_SET_SEARCH_TO