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XQuartz: Don't trust deltaXY for middle mouse clicks. 

The middle mouse clicks return erroneous values after returning from
Fast User Switching.

<rdar://problem/7979468>
http://xquartz.macosforge.org/trac/ticket/389

Signed-off-by: Martin Otte <otte@duke.edu>
Reviewed-by: Jeremy Huddleston <jeremyhu@apple.com>
Reviewed-by: Edward Moy <emoy@apple.com>
Signed-off-by: Jeremy Huddleston <jeremyhu@apple.com>
This commit is contained in:
Jeremy Huddleston 2010-05-15 10:53:09 -07:00
parent 345eb17126
commit a911292c85
1 changed files with 4 additions and 1 deletions
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5
hw/xquartz/X11Application.m
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@ -1038,12 +1038,15 @@ static inline int ensure_flag(int flags, int device_independent, int device_depe
location.x += frame.origin.x;
location.y += frame.origin.y;
lastpt = location;
} else if(isTabletEvent) {
} else if(isTabletEvent || [e type] == NSOtherMouseDown || [e type] == NSOtherMouseUp) {
// NSEvents for tablets are not consistent wrt deltaXY between events, so we cannot rely on that
// Thus tablets will be subject to the warp-pointer bug worked around by the delta, but tablets
// are not normally used in cases where that bug would present itself, so this is a fair tradeoff
// <rdar://problem/7111003> deltaX and deltaY are incorrect for NSMouseMoved, NSTabletPointEventSubtype
// http://xquartz.macosforge.org/trac/ticket/288
// The deltaXY for middle click events also appear erroneous after fast user switching
// <rdar://problem/7979468> deltaX and deltaY are incorrect for NSOtherMouseDown and NSOtherMouseUp after FUS
// http://xquartz.macosforge.org/trac/ticket/389
location = [e locationInWindow];
lastpt = location;
} else {