qprintengine_win.cpp: Fix assert when printing with custom page sizes.

Task-number: QTBUG-36348

Change-Id: I57c8905e007ccd9cf558af03f19f2969009b32c2
Reviewed-by: Andy Shaw <andy.shaw@digia.com>
Reviewed-by: John Layt <jlayt@kde.org>
Windows: Refactor QWindowsOleDropSource.

Introduce a struct CursorEntry for the cursor map which also contains
pixmap and hotspot required for follow-up changes. Streamline code
in createCursors(). Fix cacheKey checks in GiveFeedback() to trigger
for non-zero keys only.

Change-Id: Iafcbfd9ec9e8c6ae8bbaced21667887b10b47f23
Reviewed-by: Joerg Bornemann <joerg.bornemann@digia.com>
QWindowsCursor: Add API for determining the cursor state.

Detect the 'suppressed' state new in Windows 8.

Change-Id: I0faa994aa7b91869cedba36b777b1784818efcce
Reviewed-by: Joerg Bornemann <joerg.bornemann@digia.com>
Add translator's comments to accessible names of dock widget buttons.

Change-Id: If18126d5b349e072d7057d4e6968d6f91c910c87
Reviewed-by: Frederik Gladhorn <frederik.gladhorn@digia.com>
QPrintDialog manual test: Break endless loop for invalid DPI.

Change-Id: I8684f144e27392f834f91adef17826b77de60b93
Reviewed-by: John Layt <jlayt@kde.org>