Dual Monitor support

Bug #592716 reported by Jorge Castro on 2010-06-11
This bug affects 9 people
Affects Status Importance Assigned to Milestone
Fix Released
Neil J. Patel
unity (Ubuntu)

Bug Description

I happen to be testing this on a desktop so I know it's not a normal netbook use case but the panel expands over two monitors instead of the primary monitor.

(Actually, this could be a netbook usecase, when I hook up to the projector I probably don't want half my panel on the projector and the other half on my netbook)

Related branches

Didier Roche (didrocks) wrote :

Yeah, I second this: a lot of people were using netbook-launcher in dual monitor support as we got a bunch of bug report about it.

So it seems people uses their netbook with dual screen when at home.

Changed in unity:
status: New → Triaged
Changed in unity (Ubuntu):
status: New → Triaged
Changed in unity:
importance: Undecided → Wishlist
Changed in unity (Ubuntu):
importance: Undecided → Wishlist
Neil J. Patel (njpatel) on 2010-06-25
Changed in unity:
assignee: nobody → Neil J. Patel (njpatel)
richardh9935 (richardh9935) wrote :

I use an Asus 1000 eeepc, with an Acer al1511 screen attached as a twin-head to get extra width. The Asus, like many laptops and netbooks, uses Fn-F8 to switch between several modes.
1. Just netbook screen - Unity works fine.
2. Just Acer (outboard) screen - fails to renegotiate window size properly. I've lost the left 30 mm....
3. Twin-head mode, extra width - half-works. The two screens have different images on them, but they flash on and off, at about 2 second period. The desktop background is stable, but the windows disappear and re-appear every two seconds.
4. Twin-head mode, duplicated screens - works fine.

So I'm better than 60% satisfied.

Please keep going - I think UNITY looks fab so far.

Richard, Canberra, 2010-06-30 20:15

Guy Stone (stoneguy3) wrote :

And here's one more use case. I have 2 ASUS netbooks + a desktop rigged thru a KVM. I'll strain my eyes when I'm on the road with a netbook, but at home there's only set of devices I can sit in front of. So my ext monitor usage is simply to get my entire screen there, or have same image on one or both when I'm away. Guess I'm another variant of the screen + projector case.

Neil J. Patel (njpatel) on 2010-08-20
Changed in unity:
importance: Wishlist → Low
milestone: none → 2010-09-02
importance: Low → Medium
Neil J. Patel (njpatel) on 2010-09-05
Changed in unity:
milestone: 2010-09-02 → 2010-09-09
Narayanan N (narayana) wrote :

An even bigger problem that I noticed is that on dual monitor mode, the windows which are on the right display, the buttons, menu etc. appear on the left/main display. This happens when the applications are in fullscreen mode/maximized.

David Barth (dbarth) on 2010-09-10
Changed in unity:
milestone: 2010-09-09 → natty-backlog
Neil J. Patel (njpatel) on 2010-09-18
Changed in unity:
milestone: natty-backlog → 2010-09-22
status: Triaged → Fix Committed
Omer Akram (om26er) wrote :

dual monitor support was added in unity 0.2.42

Changed in unity:
status: Fix Committed → Fix Released
Changed in unity (Ubuntu):
status: Triaged → Fix Released
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