randr, xinerama etc
- From: Tim Woodall <devnull@xxxxxxxxxxxxx>
- Date: Sun, 18 Jan 2009 13:39:56 +0000 (UTC)
Once upon a time (etch) I had a nice dual head laptop setup (SiS
chipset). Each screen had its own resolution and it's own DISPLAY=
setting. The mouse was limited to the visible screen - so if you had two
screens of differing resolutions then sliding the mouse along the bottom
of the bigger screen and it would jump up to the bottom of the smaller
screen when the mouse crossed onto it.
Then there came lenny. Now my laptop still has two DISPLAY= settings.
The panel shows initially at the bottom of the smaller screen. Three
seconds later it hides. I then can't get it to reappear, I assume
because my mouse won't go to the bottom of the screen. I can, of course,
get the panel to appear on the larger screen because the mouse will go
all the way to the bottom.
I also have an eeepc 701. This is using randr. I cannot find any way to
make it have two DISPLAY= settings at all. Even worse, it has a "dead"
section below the bottom of the LCD display where things can be put and
lost.
Is there any way, at the very least, to limit the mouse to the visible
screen? If I can do this I'll turn on xinerama on my laptop and that
will solve the disappearing panel (which is currently solved by turning
off the hiding)
Note that I don't care if the mouse jumps up as it crosses to the
smaller screen and then stays at that y coordinate when it moves back to
the larger screen - e.g. (1599,999)->(1600,479)->(1599,479) or whether
all the y coordinates off the bottom of the smaller screen just map to
the y coordinate at the bottom of the screen. But what I do not want is
effectively a 800x520 area where things can be put and lost. (I'd even
be prepared to accept the viewport on the smaller screen sliding up and
down when the mouse went off the edge although I'd prefer it if the
screen was just limited to the visible area)
Tim.
--
God said, "div D = rho, div B = 0, curl E = - @B/@t, curl H = J + @D/@t,"
and there was light.
http://www.woodall.me.uk/
.
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