Re: up-line-or-search question

[Peter Stephenson <pws@xxxxxxx>]

Peter Stephenson wrote:
> "Bart Schaefer" wrote:
> > Search the zsh-users archive for the string: up-line-or-beginning
> 
> Are these the currently agreed definitions?  If so, they can be added to
> Functions/Zle and the zshcontrib manual page.

I'm going to commit the following.  It's up to Oliver whether he wants
to do something more sophisticated.

Index: Doc/Zsh/contrib.yo
===================================================================
RCS file: /cvsroot/zsh/zsh/Doc/Zsh/contrib.yo,v
retrieving revision 1.18
diff -u -r1.18 contrib.yo
--- Doc/Zsh/contrib.yo	5 Mar 2002 16:33:21 -0000	1.18
+++ Doc/Zsh/contrib.yo	21 Mar 2002 22:55:06 -0000
@@ -430,6 +430,17 @@
 bindkey '\e^P' history-beginning-search-backward-end
 bindkey '\e^N' history-beginning-search-forward-end)
 )
+tindex(up-line-or-beginning-search)
+tindex(down-line-or-beginning-search)
+item(tt(up-line-or-beginning-search), tt(down-line-or-beginning-search))(
+These widgets are similar to the builtin functions tt(up-line-or-search)
+and tt(down-line-or-search):  if in a multiline buffer they move up or
+down within the buffer, otherwise they search for a history line matching
+the start of the current line.  In this case, however, they search for
+a line which matches the current line up to the current cursor position, in
+the manner of tt(history-begining-search-backward) and tt(-forward), rather
+than the first word on the line.
+)
 tindex(incarg)
 vindex(incarg, use of)
 item(tt(incarg))(
Index: Functions/Zle/down-line-or-beginning-search
===================================================================
RCS file: Functions/Zle/down-line-or-beginning-search
diff -N Functions/Zle/down-line-or-beginning-search
--- /dev/null	1 Jan 1970 00:00:00 -0000
+++ Functions/Zle/down-line-or-beginning-search	21 Mar 2002 22:55:06 -0000
@@ -0,0 +1,13 @@
+# Like down-line-or-search, but uses the whole line prefix up to the
+# cursor position for searching forwards.
+
+if [[ $LASTWIDGET != $WIDGET ]]
+then
+    if [[ $LBUFFER == *$'\n'* ]]
+    then
+        __last_down_line=down-line-or-history
+    else
+        __last_down_line=history-beginning-search-forward
+    fi
+fi
+zle .${__last_down_line:-beep}
Index: Functions/Zle/up-line-or-beginning-search
===================================================================
RCS file: Functions/Zle/up-line-or-beginning-search
diff -N Functions/Zle/up-line-or-beginning-search
--- /dev/null	1 Jan 1970 00:00:00 -0000
+++ Functions/Zle/up-line-or-beginning-search	21 Mar 2002 22:55:06 -0000
@@ -0,0 +1,13 @@
+# Like up-line-or-search, but uses the whole line prefix up to the
+# cursor position for searching backwards.
+
+if [[ $LASTWIDGET != $WIDGET ]]
+then
+    if [[ $LBUFFER == *$'\n'* ]]
+    then
+        __last_up_line=up-line-or-history
+    else
+        __last_up_line=history-beginning-search-backward
+    fi
+fi
+zle .${__last_up_line:-beep}

-- 
Peter Stephenson <pws@xxxxxxx>                  Software Engineer
CSR Ltd., Science Park, Milton Road,
Cambridge, CB4 0WH, UK                          Tel: +44 (0)1223 392070


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