Move item views puzzle example to manual test

Pick-to: 6.5 6.6
Change-Id: Idbb4222861be86275a86f731e75127b8496a08a7
Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>

examples/widgets/doc/src/itemviewspuzzle.qdoc

@@ -1,15 +0,0 @@
-// Copyright (C) 2016 The Qt Company Ltd.
-// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GFDL-1.3-no-invariants-only
-
-/*!
-    \example itemviews/puzzle
-    \title Item Views Puzzle Example
-    \ingroup examples-itemviews
-    \brief The Puzzle example shows how to enable drag and drop with a custom model
-    to allow items to be transferred between a view and another widget.
-
-    \image itemviewspuzzle-example.png
-
-    This example is an implementation of a simple jigsaw puzzle game using the
-    built-in support for drag and drop provided by Qt's model/view framework.
-*/

examples/widgets/itemviews/CMakeLists.txt

@@ -15,9 +15,6 @@ qt_internal_add_example(simplewidgetmapper)
 qt_internal_add_example(spinboxdelegate)
 qt_internal_add_example(spreadsheet)
 qt_internal_add_example(stardelegate)
-if(QT_FEATURE_draganddrop)
-    qt_internal_add_example(puzzle)
-endif()
 if(TARGET Qt6::Xml)
     qt_internal_add_example(simpledommodel)
 endif()

examples/widgets/itemviews/itemviews.pro

@@ -8,12 +8,10 @@ SUBDIRS       = addressbook \
                 fetchmore \
                 frozencolumn \
                 pixelator \
-                puzzle \
                 simpledommodel \
                 simpletreemodel \
                 simplewidgetmapper \
                 spinboxdelegate \
                 spreadsheet \
                 stardelegate
-!qtConfig(draganddrop): SUBDIRS -= puzzle
 !qtHaveModule(xml): SUBDIRS -= simpledommodel

src/widgets/doc/src/model-view-programming.qdoc

@@ -1818,8 +1818,6 @@
     Note that the model will typically need to provide implementations of the
     QAbstractItemModel::insertRows() and QAbstractItemModel::setData() functions.
 
-    \sa {itemviews/puzzle}{Item Views Puzzle Example}
-
     \section1 Proxy Models
 
     In the model/view framework, items of data supplied by a single model can be shared

src/widgets/itemviews/qlistview.cpp

@@ -88,7 +88,7 @@ extern bool qt_sendSpontaneousEvent(QObject *receiver, QEvent *event);
     that can be taken for views that are intended to display items with equal sizes
     is to set the \l uniformItemSizes property to true.
 
-    \sa {View Classes}, {Item Views Puzzle Example}, QTreeView, QTableView, QListWidget
+    \sa {View Classes}, QTreeView, QTableView, QListWidget
 */
 
 /*!