Ensure header is considered when positioning content with snapping.

When snapping is enabled the header was ignored and content would be
aligned with the first item rather than the header, when at the top of
the view.

Task-number: QTBUG-15710
Reviewed-by: Bea Lam

2 files changed, 62 insertions, 0 deletions

diff --git a/tests/auto/declarative/qdeclarativelistview/data/header.qml b/tests/auto/declarative/qdeclarativelistview/data/header.qml
new file mode 100644
index 0000000..6da996e
--- /dev/null
+++ b/tests/auto/declarative/qdeclarativelistview/data/header.qml
@@ -0,0 +1,31 @@
+import QtQuick 1.0
+
+Rectangle {
+    width: 240
+    height: 320
+    color: "#ffffff"
+    Component {
+        id: myDelegate
+        Rectangle {
+            id: wrapper
+            objectName: "wrapper"
+            height: 30
+            width: 240
+            Text {
+                text: index
+            }
+            color: ListView.isCurrentItem ? "lightsteelblue" : "white"
+        }
+    }
+    ListView {
+        id: list
+        objectName: "list"
+        focus: true
+        width: 240
+        height: 320
+        snapMode: ListView.SnapToItem
+        model: testModel
+        delegate: myDelegate
+        header: Text { objectName: "header"; text: "Header"; height: 10 }
+    }
+}
diff --git a/tests/auto/declarative/qdeclarativelistview/tst_qdeclarativelistview.cpp b/tests/auto/declarative/qdeclarativelistview/tst_qdeclarativelistview.cpp
index 37d836d..295a75d 100644
--- a/tests/auto/declarative/qdeclarativelistview/tst_qdeclarativelistview.cpp
+++ b/tests/auto/declarative/qdeclarativelistview/tst_qdeclarativelistview.cpp
@@ -98,6 +98,7 @@ private slots:
     void QTBUG_9791();
     void manualHighlight();
     void QTBUG_11105();
+    void header();
     void footer();
     void resizeView();
     void sizeLessThan1();
@@ -1661,6 +1662,36 @@ void tst_QDeclarativeListView::QTBUG_11105()
     delete canvas;
 }
 
+void tst_QDeclarativeListView::header()
+{
+    QDeclarativeView *canvas = createView();
+
+    TestModel model;
+    for (int i = 0; i < 30; i++)
+        model.addItem("Item" + QString::number(i), "");
+
+    QDeclarativeContext *ctxt = canvas->rootContext();
+    ctxt->setContextProperty("testModel", &model);
+
+    canvas->setSource(QUrl::fromLocalFile(SRCDIR "/data/header.qml"));
+    qApp->processEvents();
+
+    QDeclarativeListView *listview = findItem<QDeclarativeListView>(canvas->rootObject(), "list");
+    QTRY_VERIFY(listview != 0);
+
+    QDeclarativeItem *contentItem = listview->contentItem();
+    QTRY_VERIFY(contentItem != 0);
+
+    QDeclarativeText *header = findItem<QDeclarativeText>(contentItem, "header");
+    QVERIFY(header);
+    QCOMPARE(header->y(), 0.0);
+
+    QCOMPARE(listview->contentY(), 0.0);
+
+    model.clear();
+    QTRY_COMPARE(header->y(), 0.0);
+}
+
 void tst_QDeclarativeListView::footer()
 {
     QDeclarativeView *canvas = createView();