Change the default behaviour when 2 files are open

Change the default behaviour when 2 files are open

[Francis Moreau]

Hello,

When I do:

$ emacs file1 file2

my display is splitted  into 2 horizontal windows.

I'd like it to be splitted intto 2 vertical windows instead.

Coud anybody give me a hint ?

thanks
-- 
Francis

Re: Change the default behaviour when 2 files are open

[Joel J. Adamson]

"Francis Moreau" <francis.moro@gmail.com> writes:

> Hello,
>
> When I do:
>
> $ emacs file1 file2
>
> my display is splitted  into 2 horizontal windows.
>
> I'd like it to be splitted intto 2 vertical windows instead.
>
> Coud anybody give me a hint ?

"C-x 1 C-x 3 C-x o C-x b <buffer-name>"

Try it.

Also try "M-x customize-group RET windows RET"

Joel

-- 
Joel J. Adamson
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Pediatric Psychopharmacology Research Unit
Massachusetts General Hospital
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(303) 880-3109

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Re: Change the default behaviour when 2 files are open

[Bastien]

"Francis Moreau" <francis.moro@gmail.com> writes:

> I'd like it to be splitted intto 2 vertical windows instead.
>
> Coud anybody give me a hint ?

M-x customize-variable RET split-window-preferred-function RET

Quoting the docstring: 

  This variable was introduced, or its default value was changed, in
  version 23.1 of Emacs.

-- 
Bastien

Re: Change the default behaviour when 2 files are open

[Francis Moreau]

On Thu, Mar 6, 2008 at 4:33 PM, Bastien <bzg@altern.org> wrote:
> "Francis Moreau" <francis.moro@gmail.com> writes:
>
>  > I'd like it to be splitted intto 2 vertical windows instead.
>  >
>  > Coud anybody give me a hint ?
>
>  M-x customize-variable RET split-window-preferred-function RET
>
>  Quoting the docstring:
>
>   This variable was introduced, or its default value was changed, in
>   version 23.1 of Emacs.
>

thanks for the hint !

-- 
Francis

Re: Change the default behaviour when 2 files are open

[Peter Dyballa]

Am 06.03.2008 um 15:43 schrieb Francis Moreau:

> I'd like it to be splitted intto 2 vertical windows instead.
>
> Coud anybody give me a hint ?


If you can't find anything in the Emacs info node, then send a bug  
report (from Help menu) in which you ask to add customisation to set  
a preference for vertical or horizontal splitting.

The "recent" preference to split the frame into an upper and a lower  
window comes from GNU Emacs's past on hardware terminals with 25  
lines and 80 columns. Creating here two windows side by side was not  
a clever thought. Since GNU Emacs can be more wide than high on 16:10  
displays this side by side layout can be more natural. And natural  
things should be supported by GNU Emacs.

--
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Re: Change the default behaviour when 2 files are open

[Francis Moreau]

On Thu, Mar 6, 2008 at 8:24 PM, Peter Dyballa <Peter_Dyballa@web.de> wrote:
>  If you can't find anything in the Emacs info node, then send a bug
>  report (from Help menu) in which you ask to add customisation to set
>  a preference for vertical or horizontal splitting.
>

I couldn't have found anything revelant.

I'll send a bug report if nothing interesting can come up from this thread.

>  The "recent" preference to split the frame into an upper and a lower
>  window comes from GNU Emacs's past on hardware terminals with 25
>  lines and 80 columns. Creating here two windows side by side was not
>  a clever thought. Since GNU Emacs can be more wide than high on 16:10
>  displays this side by side layout can be more natural. And natural
>  things should be supported by GNU Emacs.
>

I agree.

thanks
-- 
Francis

Re: Change the default behaviour when 2 files are open

[Francis Moreau]

On Thu, Mar 6, 2008 at 4:07 PM, Joel J. Adamson <jadamson@partners.org> wrote:
> "Francis Moreau" <francis.moro@gmail.com> writes:
>  "C-x 1 C-x 3 C-x o C-x b <buffer-name>"
>

No, the whole point of my question is to avoid such combo...

I find more natural that emacs use vertical splitting when it wants
to open a new window. Of course it applies only when only 2 windows
are displayed. For more than 2 windows, it's another story.

-- 
Francis

Re: Change the default behaviour when 2 files are open

[Nick Roberts]

Francis Moreau writes:
 > On Thu, Mar 6, 2008 at 8:24 PM, Peter Dyballa <Peter_Dyballa@web.de> wrote:
 > >  If you can't find anything in the Emacs info node, then send a bug
 > >  report (from Help menu) in which you ask to add customisation to set
 > >  a preference for vertical or horizontal splitting.
 > >
 > 
 > I couldn't have found anything revelant.
 > 
 > I'll send a bug report if nothing interesting can come up from this thread.

Bastien has already answered your question:

M-x customize-variable RET split-window-preferred-function RET

and select the value "horizontally".

I don't know where the docstring he quoted is from because this option seems to
only be in Emacs 23.0.60 in the CVS repository and will not be part of the next
release (22.2).

-- 
Nick                                           http://www.inet.net.nz/~nickrob

Re: Change the default behaviour when 2 files are open

[Sven Joachim]

On 2008-03-06 22:04 +0100, Francis Moreau wrote:

> On Thu, Mar 6, 2008 at 8:24 PM, Peter Dyballa <Peter_Dyballa@web.de> wrote:
>>  If you can't find anything in the Emacs info node, then send a bug
>>  report (from Help menu) in which you ask to add customisation to set
>>  a preference for vertical or horizontal splitting.
>>
>
> I couldn't have found anything revelant.
>
> I'll send a bug report if nothing interesting can come up from this thread.

In the development version of Emacs there is the user option
split-window-preferred-function which you can customize.  However, this
option does not exist in Emacs 22 or earlier.

Sven

Re: Change the default behaviour when 2 files are open

[Francis Moreau]

On Thu, Mar 6, 2008 at 10:42 PM, Nick Roberts <nickrob@snap.net.nz> wrote:
> Francis Moreau writes:
>   > On Thu, Mar 6, 2008 at 8:24 PM, Peter Dyballa <Peter_Dyballa@web.de> wrote:
>   > >  If you can't find anything in the Emacs info node, then send a bug
>   > >  report (from Help menu) in which you ask to add customisation to set
>   > >  a preference for vertical or horizontal splitting.
>   > >
>   >
>   > I couldn't have found anything revelant.
>   >
>   > I'll send a bug report if nothing interesting can come up from this thread.
>
>  Bastien has already answered your question:
>
>
>  M-x customize-variable RET split-window-preferred-function RET
>
>  and select the value "horizontally".

Ah yes but I tried it and it fails because I'm using emacs 22.1 and
I'm not able to upgrade emacs on this machine.

>
>  I don't know where the docstring he quoted is from because this option seems to
>  only be in Emacs 23.0.60 in the CVS repository and will not be part of the next
>  release (22.2).
>

So I guess there's no way to do so in my case.

thanks
-- 
Francis

Re: Change the default behaviour when 2 files are open

[Thierry Volpiatto]

"Francis Moreau" <francis.moro@gmail.com> writes:

> On Thu, Mar 6, 2008 at 10:42 PM, Nick Roberts <nickrob@snap.net.nz> wrote:
>> Francis Moreau writes:
>>   > On Thu, Mar 6, 2008 at 8:24 PM, Peter Dyballa <Peter_Dyballa@web.de> wrote:
>>   > >  If you can't find anything in the Emacs info node, then send a bug
>>   > >  report (from Help menu) in which you ask to add customisation to set
>>   > >  a preference for vertical or horizontal splitting.
>>   > >
>>   >
>>   > I couldn't have found anything revelant.
>>   >
>>   > I'll send a bug report if nothing interesting can come up from this thread.
>>
>>  Bastien has already answered your question:
>>
>>
>>  M-x customize-variable RET split-window-preferred-function RET
>>
>>  and select the value "horizontally".
>
> Ah yes but I tried it and it fails because I'm using emacs 22.1 and
> I'm not able to upgrade emacs on this machine.
>
>>
>>  I don't know where the docstring he quoted is from because this option seems to
>>  only be in Emacs 23.0.60 in the CVS repository and will not be part of the next
>>  release (22.2).
>>
>
> So I guess there's no way to do so in my case.
>
> thanks

You can, alternatively, write in your .emacs something like:

--8<---------------cut here---------------start------------->8---
(find-file file1)
(split-window-horizontally)
(find-file-other-window file2)
--8<---------------cut here---------------end--------------->8---

and you can save this config with:

(window-configuration-to-register 119 nil) ;;119 == w

But you can choose something else:

save your config with C-x r w ==> choose a letter ==> RET

Then hit C-x esc esc and copy the line in minibuffer in your .emacs

-- 
A + Thierry
Pub key: http://pgp.mit.edu

getting gdb init work on emacs

[Sanjeev Kumar.S]

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Hi,
     I am trying to setup gdb init so that I don't 
have to lookup add and load the module everytime
so I am trying to automate it. I'm new to this
and i am facing this problem can anyone suggest
a solution ?

define lwlan
   set $kld = linker_files.tqh_first
   while ($kld != 0)
       if [$kld->filename=="wlan.ko"] \
     printf "0x%08x %s\n", $kld->address, $kld->filename
       end
       set $kld = $kld->link.tqe_next
   end
 end

running it gives me this :

(kgdb) lwlan
A syntax error in expression, near `[$kld->filename=="wlan.ko"]      printf "0x%08x %s\n", $kld->address, $kld->filename'.

by the way does it follow the shell syntax or
is there any other syntax ?

thanks,
sanjeev.

       
---------------------------------
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Re: getting gdb init work on emacs

[Nick Roberts]

 > define lwlan
 >    set $kld = linker_files.tqh_first
 >    while ($kld != 0)
 >        if [$kld->filename=="wlan.ko"] \
 >      printf "0x%08x %s\n", $kld->address, $kld->filename
 >        end
 >        set $kld = $kld->link.tqe_next
 >    end
 >  end
 > 
 > running it gives me this :
 > 
 > (kgdb) lwlan
 > A syntax error in expression, near `[$kld->filename=="wlan.ko"]      printf "0x%08x %s\n", $kld->address, $kld->filename'.
 > 
 > by the way does it follow the shell syntax or

No.  Which is why square brackets don't work.

 > is there any other syntax ?

See the Sequences node of the Gdb manual.  The syntax is quite restricted and
expressions like $kld->filename won't work.

There is currently work being done on Python scripting.  This is being reported
on the gdb mailing list (gdb@sourceware.org) which is where this question should
really go as it's about Gdb.

-- 
Nick                                           http://www.inet.net.nz/~nickrob