Author: paullanders
Date: Wed Aug 26 00:18:57 2015
New Revision: 38931
URL: http://svn.gna.org/viewcvs/gnustep?rev=38931&view=rev
Log:
Potential fixes for remote view flickering issue.
Modified:
libs/gui/branches/gnustep_testplant_branch/Source/NSView.m
Modified: libs/gui/branches/gnustep_testplant_branch/Source/NSView.m
URL:
http://svn.gna.org/viewcvs/gnustep/libs/gui/branches/gnustep_testplant_branch/Source/NSView.m?rev=38931&r1=38930&r2=38931&view=diff
==============================================================================
--- libs/gui/branches/gnustep_testplant_branch/Source/NSView.m (original)
+++ libs/gui/branches/gnustep_testplant_branch/Source/NSView.m Wed Aug 26
00:18:57 2015
@@ -2545,6 +2545,7 @@
flush = YES;
[_window disableFlushWindow];
aRect = NSIntersectionRect(aRect, visibleRect);
+ aRect = NSIntegralRect(aRect);
neededRect = NSIntersectionRect(_invalidRect, visibleRect);
/*
@@ -2554,7 +2555,7 @@
* If the drawn rectangle cuts off a complete part of the
* _invalidRect, we should remove that part.
*/
- if (NSEqualRects(aRect, NSUnionRect(neededRect, aRect)) == YES)
+ if (NSEqualRects(aRect, NSUnionRect(neededRect, aRect)) == YES ||
neededRect.size.width < 1 || neededRect.size.height < 1)
{
_invalidRect = NSZeroRect;
_rFlags.needs_display = NO;
@@ -2563,7 +2564,7 @@
else
{
NSRectEdge sliceEdge = NSNotFound;
- int distance = 0;
+ float distance = 0;
// check that intersection of aRect and _invalidRect either
has an equal height or width to _invalidRect
// eg, if they are equal heights, we might be a slice on the
left or right side
@@ -2588,7 +2589,7 @@
}
// remove the drawn area from _invalidRect
- if ( sliceEdge != NSNotFound ) {
+ if ( sliceEdge != NSNotFound && fabsf(distance) >= 1 ) {
NSRect newInvalid;
NSDivideRect(_invalidRect, 0, &newInvalid, distance,
sliceEdge);
_invalidRect = newInvalid;
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