How to add VIM * functionality in EMACS VIPER mode?

How to add VIM * functionality in EMACS VIPER mode?

[Weihua JIANG]

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In normal mode of VIM, there is a very good functionality: when cursor
under any position of a word, you can press key "*" to use the whole
word under cursor (including both the chars before the cursor and after
it) as search pattern.

Now I switched to EMACS with VIPER mode. But VIPER lacks such
functionality. Can any one tell me how to implement it in VIPER with
some elisp code?

Thanks
Weihua Jiang

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Re: How to add VIM * functionality in EMACS VIPER mode?

[Lennart Borgman]

Weihua JIANG wrote:

> In normal mode of VIM, there is a very good functionality: when cursor
> under any position of a word, you can press key "*" to use the whole
> word under cursor (including both the chars before the cursor and after
> it) as search pattern.
>
> Now I switched to EMACS with VIPER mode. But VIPER lacks such
> functionality. Can any one tell me how to implement it in VIPER with
> some elisp code?
>
> Thanks
> Weihua Jiang

Hi Weihua,

This has been discussed on EmacsWiki, see 
http://emacswiki.org/cgi-bin/wiki/SearchAtPoint for several solutions.

Re: How to add VIM * functionality in EMACS VIPER mode?

[Weihua JIANG]

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Lennart,
 Thank you very much! Now I have the * functionality in VIPER mode. Below is
my code:

(defun search-at-point ()
"Put symbol at current point into search string."
(interactive)
(setq viper-s-string (concat "\\<" (symbol-name (symbol-at-point)) "\\>"))
(setq viper-s-forward t)
;; TODO: Handle case where symbol-at-point returns nil.
(viper-search viper-s-string viper-s-forward 1))

(define-key viper-vi-global-user-map (kbd "*") 'search-at-point)

Thanks,
Weihua, Jiang

 2005/11/6, Lennart Borgman <lennart.borgman.073@student.lu.se>:
>
> Weihua JIANG wrote:
>
> > In normal mode of VIM, there is a very good functionality: when cursor
> > under any position of a word, you can press key "*" to use the whole
> > word under cursor (including both the chars before the cursor and after
> > it) as search pattern.
> >
> > Now I switched to EMACS with VIPER mode. But VIPER lacks such
> > functionality. Can any one tell me how to implement it in VIPER with
> > some elisp code?
> >
> > Thanks
> > Weihua Jiang
>
> Hi Weihua,
>
> This has been discussed on EmacsWiki, see
> http://emacswiki.org/cgi-bin/wiki/SearchAtPoint for several solutions.
>

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Re: How to add VIM * functionality in EMACS VIPER mode?

[Lennart Borgman]

Nice. Maybe I as a die hard viper user also should say that I often use 
C-s to search too. It is very handy when you want to read information. I 
very often use C-s in Info for example.


Weihua JIANG wrote:

> Lennart,
>  
> Thank you very much! Now I have the * functionality in VIPER mode. 
> Below is my code:
>
>  (defun search-at-point ()
>     "Put symbol at current point into search string."
>     (interactive)
>  (setq viper-s-string (concat "\\<" (symbol-name (symbol-at-point)) 
> "\\>"))
>  (setq viper-s-forward t)
>  ;; TODO: Handle case where symbol-at-point returns nil.
>  (viper-search  viper-s-string viper-s-forward 1))
>
> (define-key viper-vi-global-user-map (kbd "*") 'search-at-point)
>

Re: How to add VIM * functionality in EMACS VIPER mode?

[Weihua JIANG]

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Lennart,
 Another question about viper: how to change the key for viper modes change?
The default one is C-z and I set variable viper-toggle-key to "\C-q" in my
.viper file. However, now both C-z and C-q is able to switch between viper
modes. But, my hope is to bind C-z to undo as CUA mode does!
 My environment: emacs 22.0.50 CVS + CUA mode enabled!
 Anyone can give a help?
 Thanks,
Weihua Jiang

 2005/11/6, Lennart Borgman <lennart.borgman.073@student.lu.se>:
>
> Nice. Maybe I as a die hard viper user also should say that I often use
> C-s to search too. It is very handy when you want to read information. I
> very often use C-s in Info for example.
>
>
> Weihua JIANG wrote:
>
> > Lennart,
> >
> > Thank you very much! Now I have the * functionality in VIPER mode.
> > Below is my code:
> >
> > (defun search-at-point ()
> > "Put symbol at current point into search string."
> > (interactive)
> > (setq viper-s-string (concat "\\<" (symbol-name (symbol-at-point))
> > "\\>"))
> > (setq viper-s-forward t)
> > ;; TODO: Handle case where symbol-at-point returns nil.
> > (viper-search viper-s-string viper-s-forward 1))
> >
> > (define-key viper-vi-global-user-map (kbd "*") 'search-at-point)
> >
>
>

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Re: How to add VIM * functionality in EMACS VIPER mode?

[Lennart Borgman]

In version 22.0.50 viper-toggle-key is a defcustom. Use

    C-h v viper-toggle-key RET

to get the description for the variable. There is an underlined link to 
"customize" where you can change it. I do not know why it does not work 
in .viper any more. However the Customize is much better here since you 
can change it while you are running Emacs.

I have entered

   [(f6)]

for the value in Customize.



Weihua JIANG wrote:

> Lennart,
>  
> Another question about viper: how to change the key for viper modes 
> change? The default one is C-z and I set variable 
>  viper-toggle-key  to "\C-q" in my .viper file. However, now both C-z 
> and C-q is able to switch between viper modes. But, my hope is to bind 
> C-z to undo as CUA mode does!
>  
> My environment: emacs 22.0.50 CVS + CUA mode enabled!
>  
> Anyone can give a help?
>  
> Thanks,
> Weihua Jiang

Re: How to add VIM * functionality in EMACS VIPER mode?

[Weihua JIANG]

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Lennart
 Thank you very much! Now it is OK for me!
 Thanks,
Weihua Jiang

 2005/11/6, Lennart Borgman <lennart.borgman.073@student.lu.se>:
>
> In version 22.0.50 viper-toggle-key is a defcustom. Use
>
> C-h v viper-toggle-key RET
>
> to get the description for the variable. There is an underlined link to
> "customize" where you can change it. I do not know why it does not work
> in .viper any more. However the Customize is much better here since you
> can change it while you are running Emacs.
>
> I have entered
>
> [(f6)]
>
> for the value in Customize.
>
>
>
> Weihua JIANG wrote:
>
> > Lennart,
> >
> > Another question about viper: how to change the key for viper modes
> > change? The default one is C-z and I set variable
> > viper-toggle-key to "\C-q" in my .viper file. However, now both C-z
> > and C-q is able to switch between viper modes. But, my hope is to bind
> > C-z to undo as CUA mode does!
> >
> > My environment: emacs 22.0.50 CVS + CUA mode enabled!
> >
> > Anyone can give a help?
> >
> > Thanks,
> > Weihua Jiang
>
>
>

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Re: How to add VIM * functionality in EMACS VIPER mode?

[Bastien]

Weihua JIANG writes:

> Now I switched to EMACS with VIPER mode. But VIPER lacks such
> functionality. Can any one tell me how to implement it in VIPER with
> some elisp code?

C-s C-w do the job.

-- 
Bastien