tdevdraw: fix mouse(3) moveto on OS X - plan9port - [fork] Plan 9 from user space

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commit d94cc62a01598da18ec1e6a25aec395e98000904

parent 35625b3f1a128fb03a457d8e511e2c74addf5660

Author: Eoghan Sherry 

Date:   Wed,  3 Mar 2010 18:11:36 -0800

devdraw: fix mouse(3) moveto on OS X

R=rsc
CC=codebot
http://codereview.appspot.com/224104

Diffstat:
  M src/cmd/devdraw/osx-screen-carbon.m |       8 +++++++-

1 file changed, 7 insertions(+), 1 deletion(-)
---

diff --git a/src/cmd/devdraw/osx-screen-carbon.m b/src/cmd/devdraw/osx-screen-carbon.m

t@@ -422,7 +422,13 @@ _screeninit(void)
 
         if(multitouch)
                 InitMultiTouch();
-        
+
+        // CoreGraphics pins mouse events to the destination point of a
+        // CGWarpMouseCursorPosition (see setmouse) for an interval of time
+        // following the move. Disable this by setting the interval to zero
+        // seconds.
+        CGSetLocalEventsSuppressionInterval(0.0);
+
         InitCursor();
 }