Add highlightRangeMode and snapMode to GridView.

Brings ListView and GridView APIs closer.

Task-number: QTBUG-8779

2 files changed, 104 insertions, 0 deletions

diff --git a/tests/auto/declarative/qdeclarativegridview/data/gridview-enforcerange.qml b/tests/auto/declarative/qdeclarativegridview/data/gridview-enforcerange.qml
new file mode 100644
index 0000000..e45c4c3
--- /dev/null
+++ b/tests/auto/declarative/qdeclarativegridview/data/gridview-enforcerange.qml
@@ -0,0 +1,56 @@
+import Qt 4.6
+
+Rectangle {
+    width: 240
+    height: 320
+    color: "#ffffff"
+    Component {
+        id: myDelegate
+        Item {
+            id: wrapper
+            objectName: "wrapper"
+            height: 100
+            width: 100
+            Text {
+                text: index
+            }
+            Text {
+                y: 25
+                id: textName
+                objectName: "textName"
+                text: name
+            }
+            Text {
+                y: 50
+                id: textNumber
+                objectName: "textNumber"
+                text: number
+            }
+            Text {
+                y: 75
+                text: wrapper.y
+            }
+        }
+    }
+
+    Component {
+        id: myHighlight
+        Rectangle {
+            color: "lightsteelblue"
+        }
+    }
+        
+    GridView {
+        id: grid
+        objectName: "grid"
+        width: 240
+        height: 320
+        model: testModel
+        delegate: myDelegate
+        highlight: myHighlight
+        preferredHighlightBegin: 100
+        preferredHighlightEnd: 100
+        highlightRangeMode: "StrictlyEnforceRange"
+        focus: true
+    }
+}
diff --git a/tests/auto/declarative/qdeclarativegridview/tst_qdeclarativegridview.cpp b/tests/auto/declarative/qdeclarativegridview/tst_qdeclarativegridview.cpp
index aeefea1..a1edc53 100644
--- a/tests/auto/declarative/qdeclarativegridview/tst_qdeclarativegridview.cpp
+++ b/tests/auto/declarative/qdeclarativegridview/tst_qdeclarativegridview.cpp
@@ -72,6 +72,7 @@ private slots:
     void modelChanges();
     void positionViewAtIndex();
     void resetModel();
+    void enforceRange();
     void QTBUG_8456();
 
 private:
@@ -1042,6 +1043,53 @@ void tst_QDeclarativeGridView::resetModel()
     }
 }
 
+void tst_QDeclarativeGridView::enforceRange()
+{
+    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/gridview-enforcerange.qml"));
+    qApp->processEvents();
+
+    QDeclarativeGridView *gridview = findItem<QDeclarativeGridView>(canvas->rootObject(), "grid");
+    QVERIFY(gridview != 0);
+
+    QCOMPARE(gridview->preferredHighlightBegin(), 100.0);
+    QCOMPARE(gridview->preferredHighlightEnd(), 100.0);
+    QCOMPARE(gridview->highlightRangeMode(), QDeclarativeGridView::StrictlyEnforceRange);
+
+    QDeclarativeItem *viewport = gridview->viewport();
+    QVERIFY(viewport != 0);
+
+    // view should be positioned at the top of the range.
+    QDeclarativeItem *item = findItem<QDeclarativeItem>(viewport, "wrapper", 0);
+    QVERIFY(item);
+    QCOMPARE(gridview->contentY(), -100.0);
+
+    QDeclarativeText *name = findItem<QDeclarativeText>(viewport, "textName", 0);
+    QVERIFY(name != 0);
+    QCOMPARE(name->text(), model.name(0));
+    QDeclarativeText *number = findItem<QDeclarativeText>(viewport, "textNumber", 0);
+    QVERIFY(number != 0);
+    QCOMPARE(number->text(), model.number(0));
+
+    // Check currentIndex is updated when viewport moves
+    gridview->setContentY(0);
+    QCOMPARE(gridview->currentIndex(), 2);
+
+    gridview->setCurrentIndex(5);
+    QTest::qWait(500);
+    QCOMPARE(gridview->contentY(), 100.);
+
+    delete canvas;
+}
+
 void tst_QDeclarativeGridView::QTBUG_8456()
 {
     QDeclarativeView *canvas = createView();