bug#1372: posn-at-x-y reports wrong window

[David Reitter]

Thanks, this patch fixes the problem.

- David

On 19 Nov 2008, at 10:09, martin rudalics wrote:

> > (fringe-mode 0)
> > C-x 3 C-x 2 C-x o C-x o
> > (we're now in the large window on the right, with two small  
> windows in
> > the left half of the frame).
> >
> > Insert enough newlines to be vertically just above the horizontal
> > divider on the left.
> >
> > M-: (posn-at-x-y 0 (cdr (posn-x-y (posn-at-point)))) RET
> >
> > Insert newline, now we're next to the divider line.
> >
> > M-: (posn-at-x-y 0 (cdr (posn-x-y (posn-at-point)))) RET
> >
> > --> wrong window (the window in the upper left) is given in the  
> structure.
> > Instead of 0, the x value can be up to 6 ((frame-char-width)  
> reports 7).
>
> Can you try the attached patch?
>
> martin
> *** window.c.~1.634.~   2008-11-18 18:56:23.703125000 +0100
> --- window.c    2008-11-19 16:04:02.078125000 +0100
> ***************
> *** 774,780 ****
>         }
>        else
>         {
> !         if (eabs (*x - x1) < grabbable_width)
>             {
>               /* Convert X and Y to window relative coordinates.
>                  Vertical border is at the right edge of window.  */
> --- 774,781 ----
>         }
>        else
>         {
> !         if ((WINDOW_RIGHTMOST_P (w) || *x < x1)
> !             && eabs (*x - x1) < grabbable_width)
>             {
>               /* Convert X and Y to window relative coordinates.
>                  Vertical border is at the right edge of window.  */

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