You have been subscribed to a public bug:
GTK apps on Mir: Input focus is unreliable and sporadic. Background
windows ignore input and/or focus switches apparently randomly.
Example:
$ GDK_BACKEND=mir mir_demo_server --launch gnome-mahjongg
Show the "Scores" - you can switch focus between this and the main
window with Alt+` but doesn't respond to input.
Other dialogs (e.g. "About") work fine. From the Mir side there's no
obvious difference between these windows.
In this example, MIR_CLIENT_INPUT_RECEIVER_REPORT=log shows the input
events being correctly received on the client side. That shows most of
the Mir stack is working correctly.
** Affects: gtk
Importance: Undecided
Assignee: Andreas Pokorny (andreas-pokorny)
Status: New
** Affects: mir
Importance: High
Status: Invalid
** Affects: gtk+3.0 (Ubuntu)
Importance: High
Assignee: Andreas Pokorny (andreas-pokorny)
Status: Confirmed
** Tags: gtk-mir mir snappyrdp
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Multi-window GTK apps in Mir are randomly unresponsive, seem to freeze
https://bugs.launchpad.net/bugs/1445543
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seeded packages, which is subscribed to gtk+3.0 in Ubuntu.
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