Various qt documentation fixes (wk 43)

Task-number: QTBUG-12389
Task-number: QTBUG-16667
Task-number: QTBUG-6151
Task-number: QTBUG-8625
Task-number: QTBUG-19808
Task-number: QTBUG-12096
Task-number: QTBUG-1231
Task-number: QTBUG-21073
Task-number: QTBUG-8939
Task-number: QTBUG-20399
Task-number: QTBUG-20944
Task-number: QTBUG-7542
Task-number: QTBUG-22095
Task-number: QTBUG-11278
Task-number: QTBUG-15653

Change-Id: Ibc369998d06e7f2f11b01a1ba4c2fb927e3c065b
Reviewed-by: Casper van Donderen <casper.vandonderen@nokia.com>

3 files changed, 9 insertions, 5 deletions

diff --git a/src/gui/dialogs/qabstractprintdialog.cpp b/src/gui/dialogs/qabstractprintdialog.cpp
index 6f9a091..3e1dd61 100644
--- a/src/gui/dialogs/qabstractprintdialog.cpp
+++ b/src/gui/dialogs/qabstractprintdialog.cpp
@@ -79,7 +79,7 @@ class QPrintDialogPrivate : public QAbstractPrintDialogPrivate
     \value AllPages All pages should be printed.
     \value Selection Only the selection should be printed.
     \value PageRange The specified page range should be printed.
-    \value CurrentPage Only the currently visible page should be printed.
+    \value CurrentPage Only the currently visible page should be printed. (This value was introduced in 4.7.)
 
     \sa QPrinter::PrintRange
 */
@@ -95,7 +95,7 @@ class QPrintDialogPrivate : public QAbstractPrintDialogPrivate
     \value PrintPageRange The page range selection option is enabled.
     \value PrintShowPageSize  Show the page size + margins page only if this is enabled.
     \value PrintCollateCopies The collate copies option is enabled
-    \value PrintCurrentPage The print current page option is enabled
+    \value PrintCurrentPage The print current page option is enabled (This value was introduced in 4.7.)
 
     This value is obsolete and does nothing since Qt 4.5:
 
diff --git a/src/gui/graphicsview/qgraphicsitem.cpp b/src/gui/graphicsview/qgraphicsitem.cpp
index 2b8b625..d4109ca 100644
--- a/src/gui/graphicsview/qgraphicsitem.cpp
+++ b/src/gui/graphicsview/qgraphicsitem.cpp
@@ -11068,9 +11068,9 @@ QGraphicsItemGroup::~QGraphicsItemGroup()
 }
 
 /*!
-    Adds the given \a item to this item group. The item will be
-    reparented to this group, but its position and transformation
-    relative to the scene will stay intact.
+    Adds the given \a item and item's child items to this item group.
+    The item and child items will be reparented to this group, but its
+    position and transformation relative to the scene will stay intact.
 
     \sa removeFromGroup(), QGraphicsScene::createItemGroup()
 */
diff --git a/src/gui/graphicsview/qgraphicslayout.cpp b/src/gui/graphicsview/qgraphicslayout.cpp
index 80896ec..1b38dfb 100644
--- a/src/gui/graphicsview/qgraphicslayout.cpp
+++ b/src/gui/graphicsview/qgraphicslayout.cpp
@@ -102,6 +102,10 @@ QT_BEGIN_NAMESPACE
     any way, but for a linear layout, the order is essential. When writing your own
     layout subclass, you are free to choose the API that best suits your layout.
 
+    For adding layout items to the custom layout, the QGraphicsLayout provides
+    convenience function addChildLayoutItem(). The function will take care of
+    automatically reparenting graphics items, if needed.
+
     \section1 Activating the Layout
 
     When the layout's geometry changes, QGraphicsLayout immediately rearranges