5 files changed, 50 insertions, 0 deletions
diff --git a/src/gui/graphicsview/qgraphicsgridlayout.cpp b/src/gui/graphicsview/qgraphicsgridlayout.cpp
index 062b5ac..8a3f17a 100644
--- a/src/gui/graphicsview/qgraphicsgridlayout.cpp
+++ b/src/gui/graphicsview/qgraphicsgridlayout.cpp
@@ -589,6 +589,18 @@ void QGraphicsGridLayout::removeAt(int index)
 }
 
 /*!
+    Removes the layout item \a item without destroying it.
+    Ownership of the item is transferred to the caller.
+
+    \sa addItem()
+*/
+void QGraphicsGridLayout::removeItem(QGraphicsLayoutItem *item)
+{
+    Q_D(QGraphicsGridLayout);
+    int index = d->engine.indexOf(item);
+    removeAt(index);
+}
+/*!
     \reimp
 */
 void QGraphicsGridLayout::invalidate()
diff --git a/src/gui/graphicsview/qgraphicsgridlayout.h b/src/gui/graphicsview/qgraphicsgridlayout.h
index ddfb447..d10235c 100644
--- a/src/gui/graphicsview/qgraphicsgridlayout.h
+++ b/src/gui/graphicsview/qgraphicsgridlayout.h
@@ -114,6 +114,7 @@ public:
     int count() const;
     QGraphicsLayoutItem *itemAt(int index) const;
     void removeAt(int index);
+    void removeItem(QGraphicsLayoutItem *item);
 
     void invalidate();
 
diff --git a/src/gui/graphicsview/qgridlayoutengine.cpp b/src/gui/graphicsview/qgridlayoutengine.cpp
index a084647..8b65282 100644
--- a/src/gui/graphicsview/qgridlayoutengine.cpp
+++ b/src/gui/graphicsview/qgridlayoutengine.cpp
@@ -775,6 +775,15 @@ QGridLayoutItem *QGridLayoutEngine::itemAt(int index) const
     return q_items.at(index);
 }
 
+int QGridLayoutEngine::indexOf(QGraphicsLayoutItem *item) const
+{
+    for (int i = 0; i < q_items.size(); ++i) {
+        if (item == q_items.at(i)->layoutItem())
+            return i;
+    }
+    return -1;
+}
+
 int QGridLayoutEngine::effectiveFirstRow(Qt::Orientation orientation) const
 {
     ensureEffectiveFirstAndLastRows();
diff --git a/src/gui/graphicsview/qgridlayoutengine_p.h b/src/gui/graphicsview/qgridlayoutengine_p.h
index 9ac9a8e..a4ef21d 100644
--- a/src/gui/graphicsview/qgridlayoutengine_p.h
+++ b/src/gui/graphicsview/qgridlayoutengine_p.h
@@ -326,6 +326,7 @@ public:
     // returns the number of items inserted, which may be less than (rowCount * columnCount)
     int itemCount() const;
     QGridLayoutItem *itemAt(int index) const;
+    int indexOf(QGraphicsLayoutItem *item) const;
 
     int effectiveFirstRow(Qt::Orientation orientation = Qt::Vertical) const;
     int effectiveLastRow(Qt::Orientation orientation = Qt::Vertical) const;
diff --git a/tests/auto/qgraphicsgridlayout/tst_qgraphicsgridlayout.cpp b/tests/auto/qgraphicsgridlayout/tst_qgraphicsgridlayout.cpp
index d1d6860..55d75af 100644
--- a/tests/auto/qgraphicsgridlayout/tst_qgraphicsgridlayout.cpp
+++ b/tests/auto/qgraphicsgridlayout/tst_qgraphicsgridlayout.cpp
@@ -78,6 +78,7 @@ private slots:
     void horizontalSpacing();
     void itemAt();
     void removeAt();
+    void removeItem();
     void rowAlignment();
     void rowCount();
     void rowMaximumHeight();
@@ -992,6 +993,32 @@ void tst_QGraphicsGridLayout::removeAt()
     delete widget;
 }
 
+void tst_QGraphicsGridLayout::removeItem()
+{
+    QGraphicsScene scene;
+    QGraphicsView view(&scene);
+
+    QGraphicsWidget *widget = new QGraphicsWidget(0, Qt::Window);
+    scene.addItem(widget);
+    QGraphicsGridLayout *l = new QGraphicsGridLayout();
+    widget->setLayout(l);
+
+    populateLayout(l, 3, 2);
+    QCOMPARE(l->count(), 6);
+    l->removeItem(l->itemAt(5));
+    l->removeItem(l->itemAt(4));
+    QCOMPARE(l->count(), 4);
+
+    // Avoid crashing. Note that the warning message might change in the future.
+    QTest::ignoreMessage(QtWarningMsg, QString::fromAscii("QGraphicsGridLayout::removeAt: invalid index -1").toLatin1().constData());
+    l->removeItem(0);
+    QCOMPARE(l->count(), 4);
+
+    QTest::ignoreMessage(QtWarningMsg, QString::fromAscii("QGraphicsGridLayout::removeAt: invalid index -1").toLatin1().constData());
+    l->removeItem(new QGraphicsWidget);
+    QCOMPARE(l->count(), 4);
+}
+
 // public Qt::Alignment rowAlignment(int row) const
 void tst_QGraphicsGridLayout::rowAlignment()
 {