summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--macosx/tkMacOSXScrlbr.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/macosx/tkMacOSXScrlbr.c b/macosx/tkMacOSXScrlbr.c
index 1928886..06fb2b7 100644
--- a/macosx/tkMacOSXScrlbr.c
+++ b/macosx/tkMacOSXScrlbr.c
@@ -181,7 +181,7 @@ static void drawMacScrollbar(
if (scrollPtr->vertical) {
thumbBounds.origin.x = troughBounds.origin.x + MIN_GAP;
thumbBounds.origin.y = troughBounds.origin.y + scrollPtr->sliderFirst;
- thumbBounds.size.width = troughBounds.size.width - 2*MIN_GAP;
+ thumbBounds.size.width = troughBounds.size.width - 2*MIN_GAP + 1;
thumbBounds.size.height = scrollPtr->sliderLast - scrollPtr->sliderFirst;
inner[0] = troughBounds.origin;
inner[1] = CGPointMake(inner[0].x, inner[0].y + troughBounds.size.height);