Bug 25474

Summary: Multidisplay, stop cursor at the edge a bit
Product: xorg Reporter: Alex Dănilă <nuorama>
Component: Server/Input/CoreAssignee: Xorg Project Team <xorg-team>
Status: RESOLVED FIXED QA Contact: Xorg Project Team <xorg-team>
Severity: enhancement    
Priority: medium CC: peter.hutterer
Version: 7.4 (2008.09)   
Hardware: Other   
OS: All   
Whiteboard:
i915 platform: i915 features:

Description Alex Dănilă 2009-12-06 07:40:50 UTC 
In a multiple display setup, the cursor shouldn't be allowed to simply go to
the other display. The edge should pose some resistance, for example only
continually moving the mouse for 10 pixels or more should allow it to pass to
the other display. Other method are good as well.

Why: the edge is a sweet spot for grabbing a scrollbar, for resizing a window,
and maybe others. 

The only possible problem I see for this is if an application is on two screens, the user would expect the cursor to behave as
usual. This would be bad especially for games.


I was directed here after submitting this bug to KDE's Kwin (https://bugs.kde.org/show_bug.cgi?id=217116 )
Comment 1 Daniel Stone 2011-04-14 12:19:40 UTC 
We now support this through XFixes v5 pointer barriers, although it requires client support to avoid the cases you mention: games, or apps spanning multiple monitors.  GNOME Shell already takes advantage of this.

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