Callum Lerwick wrote:
On Wed, 2006-09-13 at 09:30 -0400, Adam Jackson wrote:
I'm open to suggestions for better heuristics. Since Gnome is pretty
far from ever having a scalable UI, it might be sensible to modify the
above heuristic to "if multiple advertised modes match the physical
aspect ratio and we're somehow reasonably sure that it's not an LCD,
pick the one that comes closest to 100dpi". It's that reasonably sure
part that's tricky. Alternatively we could get gdm to randr to a
"sensible" size, but that just moves the problem to gdm, plus introduces
a flicker for the resize event.
Err. A better sanity check IMHO is to choose the highest resolution that
doesn't put the refresh rate under ~72hz.
Of course, you might not get any modes that fast. But if you do that's
not a bad secondary criteria.
The other problem is that X really doesn't provide a way to RANDR _up_.
The initial mode is the largest mode you're ever going to get. You
can set a smaller initial mode with a large virtual, but that means you
get pan and scan, and no one likes pan and scan. So while I certainly
want to fix that eventually, for now it means I'd rather pick a mode
that's slightly too large.
I'll try the refresh rate idea on a few CRTs and see how well it works.
- ajax
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