On 06/17/2015 05:30 AM, Martin Gräßlin wrote:
Am 2015-06-16 16:58, schrieb David Kahles:
Hello,
I want to hear some opinions about the multiscreen behavior of the lockscreen.

Currently the lockscreen is displayed on all connected monitors. I
would prefer if the
lockscreen is displayed only on the primary monitor, as it's done at
the loginscreen,
because there is no need for multiple instances.
I think this also matches the behavior of other operating
systems/desktop environments.

What do you think?

When we redid the lockscreen to be in QML with the lock always shown we did it that way on purpose. The main problem is that we don't know which screen the user is expecting it to be on. Even more we don't know whether the primary screen is actually the user's primary screen. We cannot expect users to configure it as they use it.

Easy example: notebook, external screen connected, internal screen is obviously the primary screen as it's a notebook. Now user closes the lid, screen stays configured to be on and locks the screen: at that point user has a broken system because lock screen is not shown any more. User might even try to hard turn off the system at that point, because user doesn't even think of the idea the closed notebook screen could have the locker.

So overall: if we want to be sure that users always can lock in again, we need to show on all screens.
That makes sense, it could save much trouble.
Out of curiosity: why should the monitor in the closed lid be configured to stay on? The only reason that
comes to my mind is, when the lid-closed sensor is broken.

David
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