Programmatically setting the frame size and position

Programmatically setting the frame size and position

[Davin Pearson]

I would like to know how you go about setting the
size and position of a given frame using Elisp instead
of the mouse.

I am interested in using the speedbar.el but it currently
appears in a maximised state.

I don't want to use the mouse to resize and reposition 
the frames so that they sit beside each other every
time I start speedbar.el

Here is the Elisp code that I have written (based on the built in
Emacs manual) but doesn't work. 

(progn
   (setq fc (current-frame-configuration))
   (setq w (assq 'width (cadadr fc))
   (setcdr w 20)
   (set-frame-configuration fc))

What code do I need to write to get it to work?

Please advise me as I am stuck at the moment.

RE: Programmatically setting the frame size and position

[Drew Adams]

> I would like to know how you go about setting the
> size and position of a given frame using Elisp instead
> of the mouse.

Just use functions `set-frame-position', `set-frame-height',
and `set-frame-width'.  Or use function `set-frame-parameter'
or function `modify-frame-parameters'.

See the Elisp manual, node `Size and Position'.
https://www.gnu.org/software/emacs/manual/html_node/elisp/Size-and-Position.html#Size-and-Position

You can get to that node in Emacs, using `C-h i', choosing
the Elisp manual, and then using g `Size and Position'.

Or once in the manual, type `i set-frame TAB' to see these
and related functions, and choose one of those mentioned
to get to the information about them.

Re: Programmatically setting the frame size and position

[Davin Pearson]

On Thursday, November 20, 2014 3:46:08 PM UTC+13, Davin Pearson wrote:
> I would like to know how you go about setting the
> size and position of a given frame using Elisp instead
> of the mouse.
> 
> I am interested in using the speedbar.el but it currently
> appears in a maximised state.
> 
> I don't want to use the mouse to resize and reposition 
> the frames so that they sit beside each other every
> time I start speedbar.el
> 
> Here is the Elisp code that I have written (based on the built in
> Emacs manual) but doesn't work. 
> 
> (progn
>    (setq fc (current-frame-configuration))
>    (setq w (assq 'width (cadadr fc))
>    (setcdr w 20)
>    (set-frame-configuration fc))
> 
> What code do I need to write to get it to work?
> 
> Please advise me as I am stuck at the moment.

Thanks for your help.  I personally prefer to use Emacs
windows rather than frames as windows are easier to manipulate.

Re: Programmatically setting the frame size and position

[Pascal J. Bourguignon]

Davin Pearson <davin.pearson@gmail.com> writes:

> I would like to know how you go about setting the
> size and position of a given frame using Elisp instead
> of the mouse.
>
> I am interested in using the speedbar.el but it currently
> appears in a maximised state.
>
> I don't want to use the mouse to resize and reposition 
> the frames so that they sit beside each other every
> time I start speedbar.el
>
> Here is the Elisp code that I have written (based on the built in
> Emacs manual) but doesn't work. 

Have a look at my full-frame command.

https://gitorious.org/com-informatimago/emacs/source/pjb-emacs.el#L1218

-- 
__Pascal Bourguignon__                 http://www.informatimago.com/
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