QTreeWidget: mark is/setFirstItemColumnSpanned() as deprecated

Deprecate the QTreeWidget functions is/setFirstItemColumnSpanned() to
stay in sync with the other deprecated functions
(selected/expanded/hidden) so they can get removed in Qt6.
Also add a small unit test for them.

Change-Id: Ie1cb5d7163c2d56d653c21e841ccaf7d38569787
Reviewed-by: Samuel Gaist <samuel.gaist@idiap.ch>
Reviewed-by: Richard Moe Gustavsen <richard.gustavsen@qt.io>

1 files changed, 23 insertions, 0 deletions

diff --git a/tests/auto/widgets/itemviews/qtreewidget/tst_qtreewidget.cpp b/tests/auto/widgets/itemviews/qtreewidget/tst_qtreewidget.cpp
index d15a472072..ccae4ad626 100644
--- a/tests/auto/widgets/itemviews/qtreewidget/tst_qtreewidget.cpp
+++ b/tests/auto/widgets/itemviews/qtreewidget/tst_qtreewidget.cpp
@@ -140,6 +140,7 @@ private slots:
     void expandAndCallapse();
     void itemData();
     void setDisabled();
+    void setSpanned();
     void removeSelectedItem();
     void removeCurrentItem();
     void removeCurrentItem_task186451();
@@ -2818,6 +2819,28 @@ void tst_QTreeWidget::setDisabled()
     QCOMPARE(takenChildren.items[1]->isDisabled(), false);
 }
 
+void tst_QTreeWidget::setSpanned()
+{
+    QTreeWidget w;
+    QTreeWidgetItem *i1 = new QTreeWidgetItem();
+    QScopedPointer<QTreeWidgetItem> i2(new QTreeWidgetItem());
+
+    QTreeWidgetItem *top = new QTreeWidgetItem(&w);
+    top->addChild(i1);
+
+    top->setFirstColumnSpanned(true);
+    QCOMPARE(top->isFirstColumnSpanned(), true);
+    QCOMPARE(i1->isFirstColumnSpanned(), false);
+    QCOMPARE(i2->isFirstColumnSpanned(), false);
+
+    top->setFirstColumnSpanned(false);
+    i1->setFirstColumnSpanned(true);
+    i2->setFirstColumnSpanned(true);
+    QCOMPARE(top->isFirstColumnSpanned(), false);
+    QCOMPARE(i1->isFirstColumnSpanned(), true);
+    QCOMPARE(i2->isFirstColumnSpanned(), false);
+}
+
 void tst_QTreeWidget::removeSelectedItem()
 {
     const QScopedPointer <QTreeWidget> w(new QTreeWidget);