[Bug 6971] Mouse "escapes" window or is confined to an area in the full screen program NO HACKS PLEASE

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=6971





--- Comment #292 from Jouni Järvinen <jounijarvis at gmail.com>  2009-12-08 09:35:33 ---
(In reply to comment #291)
> The simple fact is, this bug matters to a great many people, the pile of hacks
> dispersed here added value to the many gamers who needed them to be able to
> play their favorite games, regardless of any technical review process, opinion,
> or conflict issues.
> 
> I am all for openness, reasoned discourse, and solving bugs that matter to
> people.
> 
> While I do not agree with the hacks either, I do see a strong need for a
> solution to this problem, I look forward to the supposed XInput2 solution, but
> for many users this problem can not wait.
> 
> For this reason I must bring up the topic of DGA mouse grab again, so here is a
> proposal for pre-XInput2 xorg versions:
> 
> Lock the mouse using DGA to grab raw mouse deltas, provide the illusion of
> normal mouse movement using XWarpPointer, release grab whenever a mouse click
> occurs outside the game window or the application focus changes (due to window
> manager shortcuts).
> 
> DGA disables mouse movement and grabs the raw deltas, so this satisfies both
> aspects of the cooperative mode (mouse moves around with XWarpPointer, while
> deltas are captured even at borders), there might be a one-refresh pointer lag
> involved but this is not perceptible, no keyboard grab is used so the standard
> window manager shortcuts work (alt-tab and so on) to defocus the application,
> and it might eat a mouse click when clicking outside the game window to defocus
> the application but this is not a critical problem.
> 
> I can confirm that DGA works on OpenSUSE 11.2 and Ubuntu 9.10 (both current
> distributions), and this seems far more robust than any of the hacks released
> thus far.
> 
> It's clear that this discussion will only end when users can play their games
> without game-specific hacks.

Brilliant idea ! That's what I call being serious with resolving the problem.

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