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diff -ur mozilla-1.9.2.orig/widget/src/qt/nsWindow.cpp mozilla-1.9.2/widget/src/qt/nsWindow.cpp
--- mozilla-1.9.2.orig/widget/src/qt/nsWindow.cpp
+++ mozilla-1.9.2/widget/src/qt/nsWindow.cpp
@@ -668,7 +668,7 @@
void
nsWindow::Scroll(const nsIntPoint& aDelta,
- const nsIntRect& aSource,
+ const nsTArray<nsIntRect>& aDestRects,
const nsTArray<nsIWidget::Configuration>& aConfigurations)
{
if (!mWidget) {
@@ -695,8 +695,16 @@
}
}
- QRect rect(aSource.x, aSource.y, aSource.width, aSource.height);
- mWidget->scroll(aDelta.x, aDelta.y, rect);
+ // Do a similar thing to what is done in GTK widget set.
+ // Even though it's a workaround from old GTK?
+ for(PRUint32 i = 0; i < aDestRects.Length(); ++i) {
+ const nsIntRect& aSource = aDestRects[i];
+
+ QRect rect(aSource.x, aSource.y, aSource.width, aSource.height);
+ mWidget->scroll(aDelta.x, aDelta.y, rect);
+ }
+
+
ConfigureChildren(aConfigurations);
// Show windows again...
diff -ur mozilla-1.9.2.orig/widget/src/qt/nsWindow.h mozilla-1.9.2/widget/src/qt/nsWindow.h
--- mozilla-1.9.2.orig/widget/src/qt/nsWindow.h
+++ mozilla-1.9.2/widget/src/qt/nsWindow.h
@@ -165,7 +165,7 @@
PRBool aIsSynchronous);
NS_IMETHOD Update();
void Scroll(const nsIntPoint&,
- const nsIntRect&,
+ const nsTArray<nsIntRect>&,
const nsTArray<nsIWidget::Configuration>&);
virtual void* GetNativeData(PRUint32 aDataType);
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