Ubuntu
mir package

Window is off-screen after unplugging a secondary display

Bug #1508538 reported by Gerry Boland
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
Mir
Confirmed
Undecided
Unassigned
mir (Ubuntu)
Confirmed
Undecided
Unassigned

Bug Description

Steps to repro
1. mir_proving_server --display-config=sidebyside
2. mir_demo_client_egltriangle
3. plug in a secondary display
4. move triangle to secondary display
5. unplug secondary display

Expected result
triangle moved to primary display

Actual result
triangle in no-man's land

Tags: multimonitor
Revision history for this message
Daniel van Vugt (vanvugt) wrote :

Last time I tested this, it seemed to work. However I was probably testing windows residing on the left screen and not the right. So they did not need to move in order to still be on screen when the second monitor was removed.

tags: added: multimonitor
Daniel van Vugt (vanvugt)
Changed in mir:
status: New → Confirmed
Changed in mir (Ubuntu):
status: New → Confirmed
Revision history for this message
Daniel van Vugt (vanvugt) wrote :

Confirmed: if the client is on the removed display and that display is _not_ the top left one, then you will lose sight of the client window. If however you removed the top-left display then the remaining displays reshuffle and your app will still be on screen.

Workaround for mir_proving_server: Alt+Tab to the window then Alt+mousedrag to pull the window over from off-screen.
Workaround for Unity7/Compiz: Alt+Tab to the window then Alt+F7 to grab it and pull the window over from off-screen.

No known workarounds for mir_demo_server*. However I expect they will be the first to get fixes because this is directly related to window management (DisplayLayout changes and window placement).

summary: - SideBySide multimonitor - window on removed display not repositioned to
- remaining display
+ Window is off-screen after unplugging a secondary display
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