On Dec 30, 2010, at 1:39 AM, Tassilo Horn wrote:

> Perry Wagle <wagle@mac.com> writes:
> 
> Hi Perry,
> 
>> In xemacs, if I double click on a word, the word is highlighted.  If I
>> then press control-s for search, and click the middle mouse button
>> *without moving the mouse*, I will paste that word into the search
>> string, and all is good.
>> 
>> Emacs, on the other hand, does not support this idiom.  For some
>> reason, the middle mouse button *ABORTS* the search mode, and then
>> pastes the word under the mouse.  Why would you want that?
> 
> Hm, middle mouse button is "paste the primary selection at this
> position" in almost any X application.

The position is the search function waiting for a string to look for.

>> This idiom alone has kept me using xemacs for over a decade.  I'd like
>> to switch to emacs now.
>> 
>> Can I fix this easily with option-setting, or does it require me to
>> hack and add the correct behavior?
> 
> Simply add a keybinding for that:
> 
> --8<---------------cut here---------------start------------->8---
> (define-key isearch-mode-map (kbd "<mouse-2>")
>  'isearch-yank-x-selection)
> --8<---------------cut here---------------end--------------->8---
> 
> If you don't like how that expands the region (including highlighting),
> then use something like that to deactivate the mark before:
> 
> --8<---------------cut here---------------start------------->8---
> (define-key isearch-mode-map (kbd "<mouse-2>")
>  (lambda ()
>    (interactive)
>    (deactivate-mark)
>    (isearch-yank-x-selection)))
> --8<---------------cut here---------------end--------------->8---
> 

WIll try this, thanks!

-- Perry