[Pkg-xfce-devel] Bug#631225: Bug#631225: Bug#631225: xfce4: on dual head display second monitor *always* mirrors first monitor instead of being independent

[Daniel Dickinson]

On Sun, 03 Jul 2011 18:53:19 +0200
Yves-Alexis Perez <corsac at debian.org> wrote:

> On dim., 2011-07-03 at 11:01 -0400, Daniel Dickinson wrote:
> > Actually since 4.6 (or 4.4) the 'Display' settings applet has taken
> > over
> > doing the xrandr stuff.  However at that point there
> > was /etc/.config/xfce/monitor.xml which and a <clone> tag which
> > could be <clone>no</clone> (or off, can't remember), which would
> > result in the two monitors being separate (without that the
> > smallest monitor is mirrored on the larger monitor, so you
> > effectively have one monitor, just displayed twice).  Unfortunately
> > in the 4.8 the clone option was removed and I don't know how to
> > tell xfce to not mirror the displays (mirroring is the default,
> > unless you use xrandr to tell it not to mirror).  Also, the Display
> > applet settings are now applied after the /etc/.config/autostart
> > stuff, so it doesn't work to do what I used to do, which is have
> > and xrandr script in autostart.
> > 
> > Basically 4.6 was doing the right thing, and it's broken now because
> > there is no way to not mirror automatically (though once
> > initialization
> > is complete I can manually do xrandr and separate the outputs so
> > they are different displays (independent) rather than mirrored (the
> > default). 
> 
> Oh, you have xfce4-display-settings --minimal, which is aliased by
> default to XF86Display and Super-P

Oh, that appears to be for setting manually.  I can already do that
with xrandr --output DVI-0 --left-of DisplayPort-0

I'm looking for a) at least being able to set this on boot (as I
mentioned this is no longer possible, because the display settings get
modified by xfce-display-settings or somesuch after the startup stuff
in ~/.config/autostart
b) eventually to have xfce4-display-settings correctly handle two
non-mirrored monitors at the same time.  --minimal only lets you turn
on or off one display at a time, or clone, not to have two different
displays at the same time (the X kind with xrandr where dual head is
the same desktop just two different viewports/outputs).  Same problem
with the non-minimal version.

Regards,

Daniel

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