QSizePolicy - add retainSizeWhenHidden

Sometimes it is nice that hiding a widget does not affect the
layout. This patch makes that possible by allowing hidden
widgets to take up space.

Change-Id: Ifbc1cdee0e112950acc025919b98199ea9558db7
Reviewed-by: Jan Arve Sæther <jan-arve.saether@digia.com>
Reviewed-by: Thorbjørn Lund Martsum <tmartsum@gmail.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/src/widgets/kernel/qwidget_p.h b/src/widgets/kernel/qwidget_p.h
index 111dd7f9c5..0580f72e11 100644
--- a/src/widgets/kernel/qwidget_p.h
+++ b/src/widgets/kernel/qwidget_p.h
@@ -688,6 +688,7 @@ public:
     QPalette::ColorRole bg_role : 8;
     uint dirtyOpaqueChildren : 1;
     uint isOpaque : 1;
+    uint retainSizeWhenHiddenChanged : 1;
     uint inDirtyList : 1;
     uint isScrolled : 1;
     uint isMoved : 1;