[Bug 92507] New: Multimonitor: change of resolution switches previously disabled display (by Display's app) back on

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=92507

            Bug ID: 92507
           Summary: Multimonitor: change of resolution switches previously
                    disabled display (by Display's app) back on
           Product: Spice
           Version: unspecified
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: virt-viewer
          Assignee: spice-bugs at lists.freedesktop.org
          Reporter: fabiano at fidencio.org

Description of problem:
With multimonitor guest running (happens with both Windows and Linux guest),
when a display is disconnected through Display's app (or equivalent) and
resolution of any other active display is changed (e.g. by resizing a window or
by switching to fullscreen), the previously disabled display is switched on
again.

Version-Release number of selected component (if applicable):
Client: virt-viewer-2.0 (also happens with git master)
spice-gtk-0.29 (also happens with git master)

How reproducible:
Always

Steps to Reproduce:
1. Set up a multimonitor guest and run it
2. Connect to the VM using remote-viewer
3. In the Display settings of guest system activate all displays
4. Disable the previously activated displays so that their window stays black
and a message "Waiting for display X..." is shown. Do not close this window.
5. Change the resolution of any active screen (either by resizing the window or
by switching to fullscreen)

Actual results:
All previously disabled displays are switched on again.

Expected results:
The disabled displays stay disabled even after change of resolution of any
other active display.

Additional info:
Originally reported by Milan Barta:
https://bugzilla.redhat.com/show_bug.cgi?id=868970

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