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Re: x-display-pixel-width/height inconsistency
From: |
YAMAMOTO Mitsuharu |
Subject: |
Re: x-display-pixel-width/height inconsistency |
Date: |
Mon, 29 Apr 2013 11:42:12 +0900 |
User-agent: |
Wanderlust/2.14.0 (Africa) SEMI/1.14.6 (Maruoka) FLIM/1.14.8 (Shijō) APEL/10.6 Emacs/22.3 (sparc-sun-solaris2.8) MULE/5.0 (SAKAKI) |
>>>>> On Mon, 29 Apr 2013 11:27:47 +0900, YAMAMOTO Mitsuharu <address@hidden>
>>>>> said:
> Even with the above fixes, I got different results between GDK and
> XRandR implementations with Xquartz 2.7.4 on OS X 10.8.
> GDK:
> (((geometry (left + 0) (top + 22) (width . 2560) (height . 1418))
> (workarea (left + 0) (top + 22) (width . 2560) (height . 1418))
> (mm-size (width . 677) (height . 374))
> (frames #<frame address@hidden 0x1042b4050>))
> ((geometry (left + 2560) (top + 0) (width . 960) (height . 600))
> (workarea (left + 2560) (top + 0) (width . 960) (height . 600))
> (mm-size (width . 254) (height . 158))
> (frames)))
> XRandR:
> (((geometry (left + 0) (top + 0) (width . 3520) (height . 1440))
> (workarea (left + 0) (top + 0) (width . 3520) (height . 1440))
> (mm-size (width . 0) (height . 0))
> (frames #<frame address@hidden 0x1022ae850>)))
> (Xinerama gave the same result as GDK did.)
> As you can see, there is a difference even in the number of monitors.
> Maybe you need to register some callback to call
> XRRUpdateConfiguration?
This guess was not right. GDK rejects XRandR in Xquartz and uses
Xinerama instead. The distinction is made by comparing the output
name with "default".
in init_randr13 (gdkscreen-x11.c):
XRROutputInfo *output =
XRRGetOutputInfo (dpy, resources, resources->outputs[i]);
/* Non RandR1.2 X driver have output name "default" */
randr12_compat |= !g_strcmp0 (output->name, "default");
:
/* non RandR 1.2 X driver doesn't return any usable multihead data */
if (randr12_compat)
{
guint n_monitors = monitors->len;
free_monitors ((GdkX11Monitor *)g_array_free (monitors, FALSE),
n_monitors);
return FALSE;
}
YAMAMOTO Mitsuharu
address@hidden
Re: x-display-pixel-width/height inconsistency, YAMAMOTO Mitsuharu, 2013/04/27