New menu creation

New menu creation

[supreet prasad]

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Hello Emacs Developers,

I am very new to Emacs development. I am now trying to develop my own menu
and I had a few questions about it.

Do I start of writing my code in a new .el file under "lisp" directory? Do I
have to compile emacs and install it everytime I make some changes and want
to test it?
I need to create a new menu item and perform a couple of simple tasks.
Please let me know how I can proceed .
Any links or suggestions would be extremely helpful.

Thanks,
Supreet

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New menu creation

[supreet]

Hi All,

I am very new to Emacs. I am trying to create a new menu in the menu bar.
How do I proceed?
I downloaded the source and I see a lot of .el files under the lisp
directory. Do I create a new file there?
How do I link it?
Please let me know if there are any links or info that I can follow.

Thanks,
Supreet
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Re: New menu creation

[David Lee]

On 05/27/2010 02:39 AM, supreet prasad wrote:
> Hello Emacs Developers,
>
> I am very new to Emacs development. I am now trying to develop my own
> menu and I had a few questions about it.
>
> Do I start of writing my code in a new .el file under "lisp" directory?
Add code to .emacs file.
> Do I have to compile emacs and install it everytime I make some changes
> and want to test it?
No, emacs can source both *.el or *.elc(compiled). Prefer later.
> I need to create a new menu item and perform a couple of simple tasks.
> Please let me know how I can proceed .
Use "easy-menu-define".
> Any links or suggestions would be extremely helpful.
>
> Thanks,
> Supreet

David

RE: New menu creation

[Drew Adams]

> I am very new to Emacs. I am trying to create a new menu in 
> the menu bar. How do I proceed?

Here is one way. Paste this text in a new file `mine.el', save it, and do `M-x
load-file RET mine.el'. (`M-x' means `ALT-x'.)

;; 1. Define a keymap variable:
(defvar my-menu (make-sparse-keymap "My Great Menu"))

;; 2. Put it on the menu bar:
(define-key global-map [menu-bar mine] (cons "Mine" my-menu))

;; 3. Add menu items:
(define-key my-menu [my-cmd1]
 '(menu-item "Command Uno" my-cmd1 :help "My first command"))
(define-key my-menu [forward-char]
 '(menu-item "Command Duo" my-cmd1 :help "Move forward one char"))

...

Alternatively, skip defining a variable (step #1) and just define everything
directly wrt the `global-map':

(define-key global-map [menu-bar mine]
 (cons "Mine" (make-sparse-keymap "My Great Menu")))

(define-key global-map [menu-bar mine my-cmd1]
 '(menu-item "Command Uno" my-cmd1 :help "My first command"))

...

> I downloaded the source and I see a lot of .el files under the lisp
> directory. Do I create a new file there? How do I link it?

No. Put the file in any directory you like, then add that directory to your
`load-path':

(add-to-list 'load-path "/my/directory/for/my/lisp/") 

> Please let me know if there are any links or info that I can follow.

* `C-h i', then choose Elisp, for the Emacs-Lisp manual. Then `i', type `menu',
and hit `TAB'. You'll see the manual pages about the menus. Choose the
completion candidate `menu bar' by typing ` bar' and hitting `RET'. That takes
you to the manual page (node) `Menu Bar'. Read.

* Google `emacs wiki' and pick the first search hit: `EmacsWiki: Site Map'.
Search there for `menu bar'. Pick the first search hit: `EmacsWiki: Menu Bar'.
You are here: http://www.emacswiki.org/emacs/MenuBar. Read. Explore the wiki for
more.

HTH.

Re: New menu creation

[Tassilo Horn]

supreet <supreet.prasad@gmail.com> writes:

Hi!

> I am very new to Emacs. I am trying to create a new menu in the menu bar.
> How do I proceed?
> I downloaded the source and I see a lot of .el files under the lisp
> directory. Do I create a new file there?

No, you can do that by placing some code into your ~/.emacs file.  No
need to modify the emacs source code.

> Please let me know if there are any links or info that I can follow.

Have a look at the documentation:

,----[ (info "(elisp)Menu Bar") ]
|      ;; Make a menu keymap (with a prompt string)
|      ;; and make it the menu bar item's definition.
|      (define-key global-map [menu-bar words]
|        (cons "Words" (make-sparse-keymap "Words")))
| 
|      ;; Define specific subcommands in this menu.
|      (define-key global-map
|        [menu-bar words forward]
|        '("Forward word" . forward-word))
|      (define-key global-map
|        [menu-bar words backward]
|        '("Backward word" . backward-word))
`----

To jump to this documentation page inside emacs, put the boxquote
heading

  (info "(elisp)Menu Bar")

into emacs' *scratch* buffer and hit `C-x C-e' after the last closing
paren.

Bye,
Tassilo

Re: New menu creation

[Jan Djärv]

2010-05-27 20:01, supreet prasad skrev:
> Hello David,
>
> Thanks for taking your time and helping me out here. I really appreciate it.
> I was able to create menus.
>
> I now need to know the name of the file in use and find out if a
> particular file exists in some location and do some stuff accordingly.
> How do I proceed?
>

% emacs
C-h i m e l i s p <return> m b u f f e r s <return>
m b u f f e r   f i l e <return>
u u m f i l e s <return> m i n <return> m t e s t <return>

	Jan D.

RE: New menu creation

[supreet]

Hi,

Thank you very much for all the info. It really helped.
the answers to my questions were so precise. Thanks once again for taking
your time.

Supreet



Drew Adams wrote:
> 
>> I am very new to Emacs. I am trying to create a new menu in 
>> the menu bar. How do I proceed?
> 
> Here is one way. Paste this text in a new file `mine.el', save it, and do
> `M-x
> load-file RET mine.el'. (`M-x' means `ALT-x'.)
> 
> ;; 1. Define a keymap variable:
> (defvar my-menu (make-sparse-keymap "My Great Menu"))
> 
> ;; 2. Put it on the menu bar:
> (define-key global-map [menu-bar mine] (cons "Mine" my-menu))
> 
> ;; 3. Add menu items:
> (define-key my-menu [my-cmd1]
>  '(menu-item "Command Uno" my-cmd1 :help "My first command"))
> (define-key my-menu [forward-char]
>  '(menu-item "Command Duo" my-cmd1 :help "Move forward one char"))
> 
> ...
> 
> Alternatively, skip defining a variable (step #1) and just define
> everything
> directly wrt the `global-map':
> 
> (define-key global-map [menu-bar mine]
>  (cons "Mine" (make-sparse-keymap "My Great Menu")))
> 
> (define-key global-map [menu-bar mine my-cmd1]
>  '(menu-item "Command Uno" my-cmd1 :help "My first command"))
> 
> ...
> 
>> I downloaded the source and I see a lot of .el files under the lisp
>> directory. Do I create a new file there? How do I link it?
> 
> No. Put the file in any directory you like, then add that directory to
> your
> `load-path':
> 
> (add-to-list 'load-path "/my/directory/for/my/lisp/") 
> 
>> Please let me know if there are any links or info that I can follow.
> 
> * `C-h i', then choose Elisp, for the Emacs-Lisp manual. Then `i', type
> `menu',
> and hit `TAB'. You'll see the manual pages about the menus. Choose the
> completion candidate `menu bar' by typing ` bar' and hitting `RET'. That
> takes
> you to the manual page (node) `Menu Bar'. Read.
> 
> * Google `emacs wiki' and pick the first search hit: `EmacsWiki: Site
> Map'.
> Search there for `menu bar'. Pick the first search hit: `EmacsWiki: Menu
> Bar'.
> You are here: http://www.emacswiki.org/emacs/MenuBar. Read. Explore the
> wiki for
> more.
> 
> HTH.
> 
> 
> 
> 
> 

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