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devdraw: Shrinking a window on osx 10.6.7 no longer disables drawing.

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R=rsc
CC=plan9port.codebot
http://codereview.appspot.com/4632051
This commit is contained in:
David Swasey 2011-06-20 14:11:21 -04:00 • committed by Russ Cox
parent ce8d6f2465
commit e055ceb20b
1 changed files with 14 additions and 9 deletions
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15
src/cmd/devdraw/osx-screen-carbon.m
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@ -524,8 +524,14 @@ eventhandler(EventHandlerCallRef next, EventRef event, void *arg)
case kEventWindowClosed: case kEventWindowClosed:
exit(0); exit(0);
case kEventWindowBoundsChanged: case kEventWindowBoundsChanged:;
eresized(0); // We see kEventWindowDrawContent
// if we grow a window but not if we shrink it.
UInt32 flags;
GetEventParameter(event, kEventParamAttributes,
typeUInt32, 0, sizeof flags, 0, &flags);
int new = (flags & kWindowBoundsChangeSizeChanged) != 0;
eresized(new);
break; break;
case kEventWindowDrawContent: case kEventWindowDrawContent:
@ -839,13 +845,12 @@ eresized(int new)
osx.screenimage = m; osx.screenimage = m;
osx.screenr = r; osx.screenr = r;
// I'm not 100% sure why this is necessary if(new){
// but otherwise some resizes (esp. vertical ones)
// stop updating the screen.
qlock(&osx.flushlock); qlock(&osx.flushlock);
QDEndCGContext(GetWindowPort(osx.window), &osx.windowctx); QDEndCGContext(GetWindowPort(osx.window), &osx.windowctx);
osx.windowctx = nil; osx.windowctx = nil;
qunlock(&osx.flushlock); qunlock(&osx.flushlock);
}
} }
void void