Re: Coordinates and Windows

[martin rudalics]

>> So couldn't we do away with those pseudo-windows needed
>> for tool and menu bars?
>
> Not on GUI frames, no.  On text-mode frames we have per-frame glyph
> matrices (and actually the glyph matrices of the windows are just
> slices of their frame's matrix).  But on GUI frames, there's no frame
> glyph matrix, so you need a window to be able to draw anything.
>
> (And they are not pseudo-windows, btw; they are full-fledged windows,
> they just display stuff that comes from strings generated by the
> display engine, not from some buffer.)

If they are not pseudo-windows then why do they have the pseudo_window_p
flag get set in adjust_frame_glyphs_for_window_redisplay?

martin