It seems screen hotplug is really broken in Qt5.
I hope Qt5.5.0 will help, we already have a backport of some patches
from QTBUG-42985, but not exactly what has been integrated in Qt5 (at
least the "Primary screen removed, expect trouble" trace I see isn't
in Qt5.5.0)
I'm using an external monitor configured as primary display with my
laptop, and I have many issues when I unplug it.
After locking the screen, then unplugging the monitor, the screen
locker isn't displayed correctly (the top of the screen is white, the
rest is gray). If I kill kscreenlocker_greeter, another instance is
restarted and I can type my password and unlock.
After unplugging the monitor, many running applications which were
displayed on it have issues :
- scrolling only updates the top/bottom lines in Konsole, QtCreator,
ktp-text-ui (but Kate doesn't seem to be affected)
- in at least Kate and QtCreator, the mouse cursor doesn't change any
more (so I see the normal cursor, even when it is over a text widget),
and the menu bar doesn't react to mouseover events (the menu is only
highlighted when it is open, and it stays highlighted after being
closed)
- krunner isn't always centered
- sometimes the panel at the bottom of the screen disappears (fixed
by restarting plasma-desktop)
I saw a few other issues at least once when testing :
- windows maximize below the bottom panel, even for newly started applications
- wallpaper missing on one screen
2015-06-04 19:15 GMT+02:00 Neal Becker <ndbecker2(a)gmail.com>:
I have 2 monitors (laptop + external). If I close laptop lid, system
will
sleep. Now disconnect hdmi to monitor. Now open lid. lock screen is
displayed.
But there is no way to enter the password. I can move mouse around.
Caplock is responded to. But I can't enter any characters into the password
field.
Only thing I can do is switch to VT, and do systemctl restart sddm.
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