OSX: Fix status window scrolling

other/QT-4.8.5-QListWidget.patch

@@ -0,0 +1,37 @@
+--- qt-4.8.5/src/gui/kernel/qwidget_mac.mm 2011-12-15 10:38:21.000000000 -0800
++++ qt-4.8.5/src/gui/kernel/qwidget_mac.mm   2012-09-18 17:17:03.000000000 -0700
+@@ -1,22 +1,41 @@
+
+@@ -4684,15 +4703,14 @@
+     }
+
+     // Scroll the whole widget if qscrollRect is not valid:
+-    QRect validScrollRect = qscrollRect.isValid() ? qscrollRect : q->rect();
+-    validScrollRect &= clipRect();
++    QRect validScrollRect = qscrollRect.isValid() ? qscrollRect : QRect(0, 0, q->width(), q->height());
+
+     // If q is overlapped by other widgets, we cannot just blit pixels since
+     // this will move overlapping widgets as well. In case we just update:
+     const bool overlapped = isOverlapped(validScrollRect.translated(data.crect.topLeft()));
+     const bool accelerateScroll = accelEnv && isOpaque && !overlapped;
+     const bool isAlien = (q->internalWinId() == 0);
+-    const QPoint scrollDelta(dx, dy);
++
+
+     // If qscrollRect is valid, we are _not_ supposed to scroll q's children (as documented).
+     // But we do scroll children (and the whole of q) if qscrollRect is invalid. This case is
+@@ -4714,7 +4732,6 @@
+         }else {
+             update_sys(qscrollRect);
+         }
+-        return;
+     }
+
+ #ifdef QT_MAC_USE_COCOA
+@@ -4731,6 +4748,7 @@
+     // moved when the parent is scrolled. All directly or indirectly moved
+     // children will receive a move event before the function call returns.
+     QWidgetList movedChildren;
++    const QPoint scrollDelta(dx, dy);
+     if (scrollChildren) {
+         QObjectList children = q->children();