Bug 176550 - Walk through desktops with cover switch causes mouse to disappear
Summary: Walk through desktops with cover switch causes mouse to disappear
Status: RESOLVED REMIND
Alias: None
Product: kwin
Classification: Plasma
Component: compositing (show other bugs)
Version: unspecified
Platform: Ubuntu Linux
: NOR normal
Target Milestone: ---
Assignee: KWin default assignee
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2008-11-30 16:51 UTC by Ben Pringle
Modified: 2009-01-04 20:15 UTC (History)
1 user (show)

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Description Ben Pringle 2008-11-30 16:51:03 UTC
Version:            (using KDE 4.1.2)
OS:                Linux
Installed from:    Ubuntu Packages

I just upgraded to Kubuntu 8.10 a few days ago, looks quite nice, but when I set "Walk Through Desktops" as a keyboard shortcut with Win+Tab (this is an old windows computer), I started running into a problem.  Whenever I use this shortcut, the mouse pointer disappears!  I can get it back by logging out and logging back in, but it's very annoying.  Also, I can switch desktops normally by clicking on the grid applet on the taskbar, no error, only when I use the shortcut it disappears.
Comment 1 FiNeX 2008-11-30 17:03:53 UTC
I hope to have select a more appropriate compoent.
Comment 2 Martin Flöser 2008-11-30 17:27:42 UTC
Do you have the coverswitch effect enabled? It is default on in Kubuntu. If yes could you please test if the problem is still present if you deactivate this effect?
Comment 3 Ben Pringle 2008-11-30 17:46:28 UTC
(In reply to comment #2)
> Do you have the coverswitch effect enabled? It is default on in Kubuntu. If yes
> could you please test if the problem is still present if you deactivate this
> effect?
> 

I deactivated all effects and tried it, and the bug indeed disappeared!  Also, I managed to get the bug to go away by changing the shortcut to Ctrl+Tab (which works even with effects on.)  Very strange...
Comment 4 lucas 2008-12-15 07:02:23 UTC
I have no idea how this can happen, no code is executed in cover switch during desktop walking. Has Kubuntu modified it or something? I cannot reproduce with either the old or new versions.
Comment 5 Martin Flöser 2008-12-15 14:22:00 UTC
I have an idea. What's your settings in activation tab of KWin settings? Especially your Window Switching settings and focus follows mouse policy.

Nevertheless the bug will be fixed in 4.2 as the mouse is not removed any more when activating coverswitch.