QPageSize: remove QPageSize:: overqualifications

This is not Qt style, not needed, and clutters the code, so remove
QPageSize:: qualifications where they're not needed.

Change-Id: Ia93ac9523ef43a40cf4dab3bcb383a54af666c96
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@digia.com>
Cocoa: Use private property to enable NSWindow child windows

Enabled for QToolBar to allow it to overlap OpenGL widgets when
expanding.

Task-number: QTBUG-33082
Change-Id: I76dc8da52bc04eedc6d6779c48753da100ed1c9f
Reviewed-by: Morten Johan Sørvig <morten.sorvig@digia.com>
QComboBox: Set the proper font after a MacSizeChange event

Change-Id: I5c90817e52a3e87d9b06b2bb670d69a6953efd47
Reviewed-by: Jens Bache-Wiig <jens.bache-wiig@digia.com>
Fix out-of-range shifting

offsetHi needs to be casted first before shifting.

Change-Id: I29c773dd13d5b16042629604015bbf5645fab861
Reviewed-by: Andrew Knight <andrew.knight@digia.com>