Re: Patch to fix frame positioning bug on Windows with (make-frame '((left . -1)))

[Francis Litterio]

I wrote:

> To demonstrate that the window borders must be taken into account when
> computing the negative 'left frame parameter, evaluate the below form in
> a frame that is completely visible (no parts of the frame are
> off-screen).  Evaluating this form should not move the frame at all,
> assuming your window manager draws left and right borders that are 4
> pixels each (change the two 4's if your borders are different):
>
> (let ((negative-left (- (+ 1 (- (display-pixel-width)
>                                 (+ 4 4
>                                    (frame-pixel-width nil)
>                                    (frame-parameter nil 'left)))))))
>   (modify-frame-parameters nil `((left . ,negative-left))))

Sorry.  You will only see no frame movement when evaluating the above
form if you have already patched x_calc_absolute_position() as described
in the parent of this article.
--
Francis Litterio
franl <at> world . std . com