QDockWidget: Keep position when undocking.

Initialize undockedGeometry to roughly the current position.

Task-number: QTBUG-31044
Change-Id: I03cbe280d1215bb58ab721b60e29b45359cde76d
Reviewed-by: Andy Shaw <andy.shaw@digia.com>
Windows: Prevent spurious leave events.

When behind a mouse-event-transparent window, synthesized leave events
are emitted, because the transparent window is considered as the window
under the mouse, not the Qt window.
This change skips transparent windows when searching for the window
under the mouse.

Task-number: QTBUG-31464

Change-Id: I85c8b46a1af37b4d1c5d1d77566ab045657aa9ae
Reviewed-by: Björn Breitmeyer <bjoern.breitmeyer@kdab.com>
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@digia.com>
don't make qconfig.h read-only

not much point in it, really.

Change-Id: If984aa137993ae6b95cb3591fceac729ae3aa819
Reviewed-by: Joerg Bornemann <joerg.bornemann@digia.com>
remove unused symlinkFile() function

Change-Id: Ie235fe65020ed7c4870d9c8784a181bf880b9e28
Reviewed-by: Joerg Bornemann <joerg.bornemann@digia.com>
purge dead uic class map code.

Change-Id: I9b67924a66c847cd4cf2ce9f2996017ae7eb61a4
Reviewed-by: Joerg Bornemann <joerg.bornemann@digia.com>
don't touch deprecated headers unless they actually change

Change-Id: Iabeec90c2a6549cf92b3b8369a41764a576fd0aa
Reviewed-by: Joerg Bornemann <joerg.bornemann@digia.com>