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Bug 379635. Don't return random min-widths for native scrollbars when the scrollbar rect is empty. r=cbarrett, sr=dmose

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git-svn-id: svn://10.0.0.236/trunk@226481 18797224-902f-48f8-a5cc-f745e15eee43
This commit is contained in:
roc+%cs.cmu.edu 2007-05-15 22:19:54 +00:00
parent 7cd747c7c6
commit 0e65fa8a88
1 changed files with 8 additions and 2 deletions
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10
mozilla/widget/src/cocoa/nsNativeThemeCocoa.mm
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@ -1146,8 +1146,15 @@ nsNativeThemeCocoa::GetMinimumWidgetSize(nsIRenderingContext* aContext,
nsIFrame *scrollbarFrame = GetParentScrollbarFrame(aFrame);
if (!scrollbarFrame) return NS_ERROR_FAILURE;
nsRect scrollbarRect = scrollbarFrame->GetRect();
*aIsOverridable = PR_FALSE;
if (scrollbarRect.IsEmpty()) {
// just return (0,0)
return NS_OK;
}
// We need to get the device context to convert from app units :(
nsRect scrollbarRect = scrollbarFrame->GetRect();
nsCOMPtr<nsIDeviceContext> dctx;
aContext->GetDeviceContext(*getter_AddRefs(dctx));
PRInt32 p2a = dctx->AppUnitsPerDevPixel();
@ -1171,7 +1178,6 @@ nsNativeThemeCocoa::GetMinimumWidgetSize(nsIRenderingContext* aContext,
aResult->SizeTo(nscoord(thumbRect.size.width), nscoord(thumbRect.size.height - thumbAdjust));
else
aResult->SizeTo(nscoord(thumbRect.size.width - thumbAdjust), nscoord(thumbRect.size.height));
*aIsOverridable = PR_FALSE;
break;
}