18394: New word movement and editing widgets.

Functions/Zle/select-word-style

@@ -0,0 +1,88 @@
+emulate -L zsh
+setopt extendedglob
+
+local -a word_functions
+
+word_functions=(backward-kill-word backward-word
+    capitalize-word down-case-word
+    forward-word kill-word
+    transpose-words up-case-word)
+
+[[ -z $1 ]] && autoload read-from-minibuffer
+
+local REPLY detail f
+
+if ! zle -l $word_functions[1]; then
+    for f in $word_functions; do
+	autoload -U $f-match
+	zle -N $f $f-match
+    done
+fi
+
+
+while true; do
+
+    if [[ -n $WIDGET && -z $1 ]]; then
+	read-from-minibuffer -k1 "Word styles (hit return for more detail):
+(b)ash (n)ormal (s)hell (w)hitespace (N)one (A)bort
+${detail}? " || return 1
+    else
+	REPLY=$1
+    fi
+
+    detail=
+
+    case $REPLY in
+	(b*)
+	# bash style
+	zstyle ':zle:*' word-style standard
+	zstyle ':zle:*' word-chars ''
+	;;
+
+	(n*)
+	# normal zsh style
+	zstyle ':zle:*' word-style standard
+	zstyle ':zle:*' word-chars "$WORDCHARS"
+	;;
+
+	(s*)
+	# shell command arguments or special tokens
+	zstyle ':zle:*' word-style shell
+	;;
+
+	(w*)
+	# whitespace-delimited
+	zstyle ':zle:*' word-style space
+	;;
+
+	(d*)
+	# default: could also return widgets to builtins here
+	zstyle -d ':zle:*' word-style
+	zstyle -d ':zle:*' word-chars
+	;;
+
+	(q*)
+	# quit without setting
+	return 1
+	;;
+
+	(*)
+	detail="\
+(b)ash:       Word characters are alphanumerics only
+(n)ormal:     Word characters are alphanumerics plus \$WORDCHARS
+(s)hell:      Words are command arguments using shell syntax
+(w)hitespace: Words are whitespace-delimited
+(d)efault:    Use default, no special handling (usually same as \`n')
+(q)uit:       Quit without setting a new style
+"
+	if [[ -z $WIDGET || -n $1 ]]; then
+	    print "Usage: $0 word-style
+where word-style is one of the characters in parentheses:
+$detail" >&2
+	    return 1
+	fi
+	continue
+	;;
+    esac
+    return
+done