[krandr] [Bug 315231] New: kde does not adjust gracefully when removing or adding a monitor

[Saurabh Asthana]

https://bugs.kde.org/show_bug.cgi?id=315231

            Bug ID: 315231
           Summary: kde does not adjust gracefully when removing or adding
                    a monitor
    Classification: Unclassified
           Product: krandr
           Version: 4.10.0
          Platform: Ubuntu Packages
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: unassigned-bugs at kde.org
          Reporter: faplap at gmail.com

With KDE 4.10 we have a new system that tries to configure your monitor
automatically when you unplug. This system has some deficiencies, however.

I have a dual-head setup with my laptop screen as LDVS1 and an external monitor
as HDMI1 (with the screen absolutely positioned to the left of the laptop
screen). When I unplug the monitor, KDE pops up a friendly dialog saying "A new
monitor output has been connected". It does this on whichever screen the mouse
happens to be on at the time, even if that screen is no longer attached. So, if
my mouse is on the external monitor screen, when I unplug, KDE's monitor setup
dialog appears on that screen and I cannot interact with it (except by working
blindly). This is annoying.

If I unplug with my mouse on the laptop monitor, KDE shows me a dialog. If I
"Try Automatically", everything adjusts. The dialog remains active but doesn't
appear to understand the new screen size - it moves over to the lower right
corner of the laptop screen and is no longer centered.

When I plug back in, a new dialog appears (unplugging and replugging can result
in multiple copies of the same dialog). When I "Try Automatically", KDE puts my
screens in clone mode. No matter how many times I restore my desired
configuration or "Save as Default", I can't get KDE to restore this
configuration when I plug my monitor back in. The system has no memory.

It's probably too much to ask for it to put the windows back on the screens
they were on before I unplugged, but it should at least be able to recognize
the geometry of the screens (possibly using the monitor ID?) and restore the
previous configuration.

Reproducible: Always

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