Re: Re: [BABEL] Speed keys

From: Carsten Dominik <carsten.dominik@gmail.com>
To: Jambunathan K <kjambunathan@gmail.com>,
	Eric Schulte <schulte.eric@gmail.com>
Cc: emacs org-mode mailing list <emacs-orgmode@gnu.org>
Subject: Re: Re: [BABEL] Speed keys
Date: Tue, 21 Sep 2010 14:36:44 +0200	[thread overview]
Message-ID: <397180EF-5C84-4D4B-A163-1D4A1B4AB089@gmail.com> (raw)
In-Reply-To: <81vd6iqy43.fsf@gmail.com>

Hi Eric,

could I ask you to take a look at this?

Thanks

- Carsten

On Sep 7, 2010, at 12:57 AM, Jambunathan K wrote:

>
>>> Is it possible Speed Keys (Refer Org Manual - Sec. 15.3) for Babel
>>> blocks?
>
> Attached patch extends the speed key functionality.
>
> Usage notes:
>
> After applying the patch, use variant-1 or variant-2 to enable speed
> keys within a babel block.
>
> variant-1:
>
>  (defun org-babel-speed-command-hook (keys)
>    (when (org-babel-where-is-src-block-head)
>      (cdr (assoc keys org-babel-key-bindings))))
>
> variant-2:
>
>  (defun org-babel-speed-command-hook (keys)
>    (when (and (bolp) (looking-at org-babel-src-block-regexp))
>      (cdr (assoc keys org-babel-key-bindings))))
>
>  (add-hook 'org-speed-command-hook 'org-babel-speed-command-hook  
> 'append)
>
>
> Use this hook with caution.
>
>  (defun org-speed-command-catch-all-hook (keys)
>    'ignore)
>
>  (add-hook 'org-speed-command-hook 'org-babel-speed-command-hook  
> 'append)
>
> Jambunathan K.
>
>
> From 2fca952e923d44bec554b8b4e7dafc355e068f32 Mon Sep 17 00:00:00 2001
> From: Jambunathan K <kjambunathan@gmail.com>
> Date: Tue, 7 Sep 2010 04:01:16 +0530
> Subject: [PATCH 2/2] Support for user-extensible speed commands.
>
> * lisp/org.el (org-speed-command-hook): New. Hook for installing
> additional speed commands. Use this for enabling speed commands on
> src blocks.
> (org-speed-command-default-hook): The default hook for
> org-speed-command-hook. Factored out from org-self-insert-command
> and mimics existing behaviour.
> (org-self-insert-command): Modified to use org-speed-command-hook.
>
> TINYCHANGE.
> ---
> lisp/org.el |   38 +++++++++++++++++++++++++++++++-------
> 1 files changed, 31 insertions(+), 7 deletions(-)
>
> diff --git a/lisp/org.el b/lisp/org.el
> index 09281cc..ead91a3 100644
> --- a/lisp/org.el
> +++ b/lisp/org.el
> @@ -16494,6 +16494,34 @@ If not, return to the original position and  
> throw an error."
>
> (defvar org-table-auto-blank-field) ; defined in org-table.el
> (defvar org-speed-command nil)
> +
> +(defun org-speed-command-default-hook (keys)
> +  "Hook for activating single-letter speed commands.
> +`org-speed-commands-default' specifies a minimal command set. Use
> +`org-speed-commands-user' for further customization."
> +  (when (or (and (bolp) (looking-at outline-regexp))
> +	    (and (functionp org-use-speed-commands)
> +		 (funcall org-use-speed-commands)))
> +    (cdr (assoc keys (append org-speed-commands-user
> +			     org-speed-commands-default)))))
> +
> +(defcustom org-speed-command-hook 'org-speed-command-default-hook
> +  "Hook for activating speed commands at strategic locations.
> +Hook functions are called in sequence until a valid handler is
> +found.
> +
> +Each hook takes a single argument, a user-pressed command key
> +which is also a `self-insert-command' from the global map.
> +
> +Within the hook, examine the cursor position and the command key
> +and return nil or a valid handler as appropriate. Handler could
> +be one of an interactive command, a function, or a form.
> +
> +Set `org-use-speed-commands' to non-nil value to enable this
> +hook. The default setting is `org-speed-command-default-hook'."
> +  :group 'org-structure
> +  :type 'hook)
> +
> (defun org-self-insert-command (N)
>   "Like `self-insert-command', use overwrite-mode for whitespace in  
> tables.
> If the cursor is in a table looking at whitespace, the whitespace is
> @@ -16501,13 +16529,9 @@ overwritten, and the table is not marked as  
> requiring realignment."
>   (interactive "p")
>   (cond
>    ((and org-use-speed-commands
> -	 (or (and (bolp) (looking-at outline-regexp))
> -	     (and (functionp org-use-speed-commands)
> -		  (funcall org-use-speed-commands)))
> -	 (setq
> -	  org-speed-command
> -	  (or (cdr (assoc (this-command-keys) org-speed-commands-user))
> -	      (cdr (assoc (this-command-keys) org-speed-commands- 
> default)))))
> +	 (setq org-speed-command
> +	       (run-hook-with-args-until-success
> +		'org-speed-command-hook (this-command-keys))))
>     (cond
>      ((commandp org-speed-command)
>       (setq this-command org-speed-command)
> -- 
> 1.7.0.4
>
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- Carsten