[kde] [Bug 320459] New: Wrong mouse cursor when session started from vnc

[Frank Weng]

https://bugs.kde.org/show_bug.cgi?id=320459

            Bug ID: 320459
           Summary: Wrong mouse cursor when session started from vnc
    Classification: Unclassified
           Product: kde
           Version: 4.10.3
          Platform: Ubuntu Packages
                OS: Linux
            Status: UNCONFIRMED
          Severity: major
          Priority: NOR
         Component: general
          Assignee: unassigned-bugs at kde.org
          Reporter: franklin at goodhorse.idv.tw

When I connect to a remote desktop (running vnc4server) using krdc or any other
vnc client (like realvnc-viewer), I got a wrong mouse cursor like this:

http://www.goodhorse.idv.tw/goodhorse/vnc.jpg

it will not let me click anything inside the main window, just stretch or
shrink the width of the window.

The vnc startup script is simple.  It just launched /etc/X11/Xsession.

I did some more test, and found that:

 - In a fresh install of kubuntu 12.10 (running KDE 4.9.5), this problem did
not occur.
 - When I upgrade kubuntu 12.10 to KDE 4.10.3, this problem occurred.
 - In a fresh install of kubuntu 13.04 (running KDE 4.10.2), this problem
occurred.
 - In a upgraded kubuntu 12.10, if I started vnc session using LXDE, this
problem did not occur.
 - Then I tried to change the xstartup script called by vnc to let the session
run only kdeinit4 and a vnc config dialog.  That is, no real KDE desktop was
launched, just kwin (I suppose).  This problem occurred.  (In that vnc config
dialog the same mouse cursor problem occurred.)
 - From the main console running KDE (display :0.0), this problem did not
occurred.  However if I did not launch kdm but run vncserver :0 instead, this
problem still occurred.

I found the following discussion.  Someone had the same problem, but no answer.

https://bbs.archlinux.org/viewtopic.php?id=158348

>From the test I did I'm now quite sure it is a KDE 4.10 problem, just that I
can't identify it a kwin's problem, or any other component's.


Reproducible: Always

Steps to Reproduce:
1. On a fresh Kubuntu 13.04 or up-to-date Kubuntu 12.10 (running KDE 4.10.3),
run vnc4server
2. Connect to this system from other machine using krdc or any VNC client
3. The mouse cursor was wrong.  In a window I can only change the width or
height, but can not click any component inside.
Actual Results:  
The mouse cursor (state) was wrong.

Expected Results:  
The mouse cursor (state) should be correct, to let me do any operation like
usual.

KDE 4.9.5 worked fine.  From the information I got and the test I did, it
should be a problem in KDE 4.10.

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