* hungry-delete
@ 2011-04-04 17:19 Andreas Röhler
2011-04-04 18:20 ` hungry-delete Sam Steingold
0 siblings, 1 reply; 8+ messages in thread
From: Andreas Röhler @ 2011-04-04 17:19 UTC (permalink / raw
To: Emacs developers
Hi,
at
https://bugs.launchpad.net/python-mode/+bug/328853
we got the following request:
"I really love the hungry-delete feature of Emacs'
c-mode. It would be great to have hungry-delete for
python-mode as well."
IMO it's neither C nor Python specific.
Should be useful for all edits. What about moving it into simple.el or
have a hungry-delete.el?
Thanks
Andreas
--
https://code.launchpad.net/~a-roehler/python-mode/python-mode-components
https://code.launchpad.net/s-x-emacs-werkstatt/
^ permalink raw reply [flat|nested] 8+ messages in thread
* Re: hungry-delete
2011-04-04 17:19 hungry-delete Andreas Röhler
@ 2011-04-04 18:20 ` Sam Steingold
2011-04-04 18:54 ` hungry-delete Andreas Röhler
0 siblings, 1 reply; 8+ messages in thread
From: Sam Steingold @ 2011-04-04 18:20 UTC (permalink / raw
To: emacs-devel
> * Andreas Röhler <naqernf.ebruyre@bayvar.qr> [2011-04-04 19:19:52 +0200]:
>
> https://bugs.launchpad.net/python-mode/+bug/328853
>
> "I really love the hungry-delete feature of Emacs'
> c-mode. It would be great to have hungry-delete for
> python-mode as well."
DEL (translated from <backspace>) runs the command
backward-delete-char-untabify, which is an interactive compiled Lisp
function in `simple.el'.
It is bound to DEL.
(backward-delete-char-untabify ARG &optional KILLP)
Delete characters backward, changing tabs into spaces.
The exact behavior depends on `backward-delete-char-untabify-method'.
Delete ARG chars, and kill (save in kill ring) if KILLP is non-nil.
Interactively, ARG is the prefix arg (default 1)
and KILLP is t if a prefix arg was specified.
backward-delete-char-untabify-method is a variable defined in `simple.el'.
Its value is all
Original value was untabify
Documentation:
The method for untabifying when deleting backward.
Can be `untabify' -- turn a tab to many spaces, then delete one space;
`hungry' -- delete all whitespace, both tabs and spaces;
`all' -- delete all whitespace, including tabs, spaces and newlines;
nil -- just delete one character.
You can customize this variable.
This variable was introduced, or its default value was changed, in
version 20.3 of Emacs.
--
Sam Steingold (http://sds.podval.org/) on CentOS release 5.5 (Final) X
http://ffii.org http://memri.org http://www.PetitionOnline.com/tap12009/
http://palestinefacts.org http://www.memritv.org http://camera.org
I just forgot my whole philosophy of life!!!
^ permalink raw reply [flat|nested] 8+ messages in thread
* Re: hungry-delete
2011-04-04 18:20 ` hungry-delete Sam Steingold
@ 2011-04-04 18:54 ` Andreas Röhler
2011-04-04 19:00 ` hungry-delete Sam Steingold
2011-04-05 16:11 ` hungry-delete Andrew W. Nosenko
0 siblings, 2 replies; 8+ messages in thread
From: Andreas Röhler @ 2011-04-04 18:54 UTC (permalink / raw
To: emacs-devel; +Cc: Sam Steingold
Am 04.04.2011 20:20, schrieb Sam Steingold:
>> * Andreas Röhler<naqernf.ebruyre@bayvar.qr> [2011-04-04 19:19:52 +0200]:
>>
>> https://bugs.launchpad.net/python-mode/+bug/328853
>>
>> "I really love the hungry-delete feature of Emacs'
>> c-mode. It would be great to have hungry-delete for
>> python-mode as well."
>
> DEL (translated from<backspace>) runs the command
> backward-delete-char-untabify, which is an interactive compiled Lisp
> function in `simple.el'.
>
> It is bound to DEL.
>
> (backward-delete-char-untabify ARG&optional KILLP)
>
> Delete characters backward, changing tabs into spaces.
> The exact behavior depends on `backward-delete-char-untabify-method'.
> Delete ARG chars, and kill (save in kill ring) if KILLP is non-nil.
> Interactively, ARG is the prefix arg (default 1)
> and KILLP is t if a prefix arg was specified.
>
> backward-delete-char-untabify-method is a variable defined in `simple.el'.
> Its value is all
> Original value was untabify
>
> Documentation:
> The method for untabifying when deleting backward.
> Can be `untabify' -- turn a tab to many spaces, then delete one space;
> `hungry' -- delete all whitespace, both tabs and spaces;
> `all' -- delete all whitespace, including tabs, spaces and newlines;
> nil -- just delete one character.
>
> You can customize this variable.
>
> This variable was introduced, or its default value was changed, in
> version 20.3 of Emacs.
>
>
>
>
Hi,
thanks for the hint.
However don't think customizing DEL does it.
In most cases you will use DEL as `untabify'.
"Hungry" eates a lot - that's is fine, but not as taking the common DEL.
Therefore think a seperate key for hungry-delete is needed.
However, seems it must not be copied from the scratch.
What about such a thing:
(defun hunry-delete (&optional killp)
"Delete characters backward, changing tabs into spaces.
Kill (save in kill ring) if KILLP is non-nil.
"
(interactive "P")
(let ((backward-delete-char-untabify-method 'all))
(backward-delete-char-untabify 1 killp)))
;;;;;;;;
^ permalink raw reply [flat|nested] 8+ messages in thread
* Re: hungry-delete
2011-04-04 18:54 ` hungry-delete Andreas Röhler
@ 2011-04-04 19:00 ` Sam Steingold
2011-04-04 20:02 ` hungry-delete Andreas Röhler
2011-04-05 16:11 ` hungry-delete Andrew W. Nosenko
1 sibling, 1 reply; 8+ messages in thread
From: Sam Steingold @ 2011-04-04 19:00 UTC (permalink / raw
To: Andreas Röhler; +Cc: emacs-devel
> * Andreas Röhler <naqernf.ebruyre@bayvar.qr> [2011-04-04 20:54:45 +0200]:
>
> Am 04.04.2011 20:20, schrieb Sam Steingold:
>>> * Andreas Röhler<naqernf.ebruyre@bayvar.qr> [2011-04-04 19:19:52 +0200]:
>>>
>>> https://bugs.launchpad.net/python-mode/+bug/328853
>>>
>>> "I really love the hungry-delete feature of Emacs'
>>> c-mode. It would be great to have hungry-delete for
>>> python-mode as well."
>>
>> DEL (translated from<backspace>) runs the command
>> backward-delete-char-untabify
>>
>> backward-delete-char-untabify-method is a variable defined in `simple.el'.
>> The method for untabifying when deleting backward.
>> Can be `untabify' -- turn a tab to many spaces, then delete one space;
>> `hungry' -- delete all whitespace, both tabs and spaces;
>> `all' -- delete all whitespace, including tabs, spaces and newlines;
>> nil -- just delete one character.
>
> However don't think customizing DEL does it.
> In most cases you will use DEL as `untabify'.
wfm:
(custom-set-variables
'(backward-delete-char-untabify-method 'all))
(define-key global-map [remap delete-backward-char]
'backward-delete-char-untabify)
--
Sam Steingold (http://sds.podval.org/) on CentOS release 5.5 (Final) X
http://www.memritv.org http://thereligionofpeace.com http://honestreporting.com
http://truepeace.org http://openvotingconsortium.org http://dhimmi.com
There are 10 kinds of people: those who count in binary and those who do not.
^ permalink raw reply [flat|nested] 8+ messages in thread
* Re: hungry-delete
2011-04-04 20:02 ` hungry-delete Andreas Röhler
@ 2011-04-04 19:59 ` Sam Steingold
2011-04-05 6:02 ` hungry-delete Andreas Röhler
0 siblings, 1 reply; 8+ messages in thread
From: Sam Steingold @ 2011-04-04 19:59 UTC (permalink / raw
To: Andreas Röhler; +Cc: emacs-devel
>> (custom-set-variables
>> '(backward-delete-char-untabify-method 'all))
>> (define-key global-map [remap delete-backward-char]
>> 'backward-delete-char-untabify)
>
> here my last results so far:
what problem are you trying to solve with your code which is not solved
by my 4 lines above?
--
Sam Steingold (http://sds.podval.org/) on CentOS release 5.5 (Final) X
http://pmw.org.il http://memri.org http://thereligionofpeace.com
http://jihadwatch.org http://truepeace.org http://camera.org http://ffii.org
When told to go to hell, ask for directions.
^ permalink raw reply [flat|nested] 8+ messages in thread
* Re: hungry-delete
2011-04-04 19:00 ` hungry-delete Sam Steingold
@ 2011-04-04 20:02 ` Andreas Röhler
2011-04-04 19:59 ` hungry-delete Sam Steingold
0 siblings, 1 reply; 8+ messages in thread
From: Andreas Röhler @ 2011-04-04 20:02 UTC (permalink / raw
To: sds; +Cc: emacs-devel
Am 04.04.2011 21:00, schrieb Sam Steingold:
>> * Andreas Röhler<naqernf.ebruyre@bayvar.qr> [2011-04-04 20:54:45 +0200]:
>>
>> Am 04.04.2011 20:20, schrieb Sam Steingold:
>>>> * Andreas Röhler<naqernf.ebruyre@bayvar.qr> [2011-04-04 19:19:52 +0200]:
>>>>
>>>> https://bugs.launchpad.net/python-mode/+bug/328853
>>>>
>>>> "I really love the hungry-delete feature of Emacs'
>>>> c-mode. It would be great to have hungry-delete for
>>>> python-mode as well."
>>>
>>> DEL (translated from<backspace>) runs the command
>>> backward-delete-char-untabify
>>>
>>> backward-delete-char-untabify-method is a variable defined in `simple.el'.
>>> The method for untabifying when deleting backward.
>>> Can be `untabify' -- turn a tab to many spaces, then delete one space;
>>> `hungry' -- delete all whitespace, both tabs and spaces;
>>> `all' -- delete all whitespace, including tabs, spaces and newlines;
>>> nil -- just delete one character.
>>
>> However don't think customizing DEL does it.
>> In most cases you will use DEL as `untabify'.
>
> wfm:
>
> (custom-set-variables
> '(backward-delete-char-untabify-method 'all))
> (define-key global-map [remap delete-backward-char]
> 'backward-delete-char-untabify)
>
thanks again,
here my last results so far:
(defun hungry-delete-backward (&optional killp)
"Delete backward all whitespaces including tabs.
If KILLP is non-nil, deleted string is stored into the kill-ring."
(interactive "*P")
(let ((backward-delete-char-untabify-method 'hungry))
(backward-delete-char-untabify 1 killp)))
(defun hungry-delete-backward-all (&optional killp)
"Delete backward all whitespaces, including tabs and newlines.
If KILLP is non-nil, deleted string is stored into the kill-ring."
(interactive "*P")
(let ((backward-delete-char-untabify-method 'all))
(backward-delete-char-untabify 1 killp)))
(defun hungry-delete-forward (&optional killp)
"Delete forward all whitespaces including tabs.
If KILLP is non-nil, deleted string is stored into the kill-ring."
(interactive "*P")
(let ((orig (point)))
(or (< 0 (skip-chars-forward " \t"))
(forward-char 1))
(when killp
(kill-new (buffer-substring-no-properties orig (point))))
(delete-region orig (point))))
(defun hungry-delete-forward-all (&optional killp)
"Delete forward all whitespaces including tabs and newlines.
If KILLP is non-nil, deleted string is stored into the kill-ring."
(interactive "*P")
(let ((orig (point)))
(or (< 0 (skip-chars-forward " \t\r\n"))
(forward-char 1))
(when killp
(kill-new (buffer-substring-no-properties orig (point))))
(delete-region orig (point))))
^ permalink raw reply [flat|nested] 8+ messages in thread
* Re: hungry-delete
2011-04-04 19:59 ` hungry-delete Sam Steingold
@ 2011-04-05 6:02 ` Andreas Röhler
0 siblings, 0 replies; 8+ messages in thread
From: Andreas Röhler @ 2011-04-05 6:02 UTC (permalink / raw
To: sds; +Cc: emacs-devel
Am 04.04.2011 21:59, schrieb Sam Steingold:
>>> (custom-set-variables
>>> '(backward-delete-char-untabify-method 'all))
>>> (define-key global-map [remap delete-backward-char]
>>> 'backward-delete-char-untabify)
>>
>> here my last results so far:
>
> what problem are you trying to solve with your code which is not solved
> by my 4 lines above?
>
Still seeing you customize.
Costumizing a variable is okay if you make your choose once a year or
so. It's not recommendable for daily switches IMHO.
Maybe I miss something in the precise case.
Andreas
^ permalink raw reply [flat|nested] 8+ messages in thread
* Re: hungry-delete
2011-04-04 18:54 ` hungry-delete Andreas Röhler
2011-04-04 19:00 ` hungry-delete Sam Steingold
@ 2011-04-05 16:11 ` Andrew W. Nosenko
1 sibling, 0 replies; 8+ messages in thread
From: Andrew W. Nosenko @ 2011-04-05 16:11 UTC (permalink / raw
To: Andreas Röhler; +Cc: Sam Steingold, emacs-devel
On Mon, Apr 4, 2011 at 21:54, Andreas Röhler <andreas.roehler@online.de> wrote:
> Hi,
>
> thanks for the hint.
> However don't think customizing DEL does it.
> In most cases you will use DEL as `untabify'.
>
> "Hungry" eates a lot - that's is fine, but not as taking the common DEL.
>
> Therefore think a seperate key for hungry-delete is needed.
Unsure, whether separate key need. If you have in minds to delete
char-by-char using regular DEL and then remove all spaces using
"hungry-DEL", then there is such key already: M-\
(delete-horizontal-space &optional BACKWARD-ONLY)
Delete all spaces and tabs around point.
If BACKWARD-ONLY is non-nil, only delete them before point.
--
Andrew W. Nosenko <andrew.w.nosenko@gmail.com>
^ permalink raw reply [flat|nested] 8+ messages in thread
end of thread, other threads:[~2011-04-05 16:11 UTC | newest]
Thread overview: 8+ messages (download: mbox.gz follow: Atom feed
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2011-04-04 17:19 hungry-delete Andreas Röhler
2011-04-04 18:20 ` hungry-delete Sam Steingold
2011-04-04 18:54 ` hungry-delete Andreas Röhler
2011-04-04 19:00 ` hungry-delete Sam Steingold
2011-04-04 20:02 ` hungry-delete Andreas Röhler
2011-04-04 19:59 ` hungry-delete Sam Steingold
2011-04-05 6:02 ` hungry-delete Andreas Röhler
2011-04-05 16:11 ` hungry-delete Andrew W. Nosenko
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