ResizeMode support for QGraphicsWidgets created with QDeclarativeView

Task-number: QTBUG-8814
Reviewed-by: alexis

4 files changed, 289 insertions, 0 deletions

diff --git a/tests/auto/declarative/qdeclarativeview/data/resizemodedeclarativeitem.qml b/tests/auto/declarative/qdeclarativeview/data/resizemodedeclarativeitem.qml
new file mode 100644
index 0000000..27c8454
--- /dev/null
+++ b/tests/auto/declarative/qdeclarativeview/data/resizemodedeclarativeitem.qml
@@ -0,0 +1,5 @@
+import Qt 4.7
+Item {
+    width: 200
+    height: 200
+}
diff --git a/tests/auto/declarative/qdeclarativeview/data/resizemodegraphicswidget.qml b/tests/auto/declarative/qdeclarativeview/data/resizemodegraphicswidget.qml
new file mode 100644
index 0000000..964810c
--- /dev/null
+++ b/tests/auto/declarative/qdeclarativeview/data/resizemodegraphicswidget.qml
@@ -0,0 +1,5 @@
+import Qt 4.7
+QGraphicsWidget {
+    width: 200
+    height: 200
+}
diff --git a/tests/auto/declarative/qdeclarativeview/qdeclarativeview.pro b/tests/auto/declarative/qdeclarativeview/qdeclarativeview.pro
new file mode 100644
index 0000000..d6be728
--- /dev/null
+++ b/tests/auto/declarative/qdeclarativeview/qdeclarativeview.pro
@@ -0,0 +1,7 @@
+load(qttest_p4)
+contains(QT_CONFIG,declarative): QT += declarative gui
+macx:CONFIG -= app_bundle
+
+SOURCES += tst_qdeclarativeview.cpp
+
+DEFINES += SRCDIR=\\\"$$PWD\\\"
diff --git a/tests/auto/declarative/qdeclarativeview/tst_qdeclarativeview.cpp b/tests/auto/declarative/qdeclarativeview/tst_qdeclarativeview.cpp
new file mode 100644
index 0000000..1ed51c1
--- /dev/null
+++ b/tests/auto/declarative/qdeclarativeview/tst_qdeclarativeview.cpp
@@ -0,0 +1,272 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the test suite of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+#include <qtest.h>
+#include <QtTest/QSignalSpy>
+#include <QtDeclarative/qdeclarativecomponent.h>
+#include <QtDeclarative/qdeclarativecontext.h>
+#include <QtDeclarative/qdeclarativeview.h>
+#include <QtDeclarative/qdeclarativeitem.h>
+#include <QtGui/qgraphicswidget.h>
+
+class tst_QDeclarativeView : public QObject
+
+{
+    Q_OBJECT
+public:
+    tst_QDeclarativeView();
+
+private slots:
+    void resizemodedeclarativeitem();
+    void resizemodegraphicswidget();
+
+private:
+    template<typename T>
+    T *findItem(QGraphicsObject *parent, const QString &objectName);
+};
+
+
+tst_QDeclarativeView::tst_QDeclarativeView()
+{
+}
+
+void tst_QDeclarativeView::resizemodedeclarativeitem()
+{
+    QWidget window;
+    QDeclarativeView *canvas = new QDeclarativeView(&window);
+    QVERIFY(canvas);
+    QSignalSpy sceneResizedSpy(canvas, SIGNAL(sceneResized(QSize)));
+    canvas->setResizeMode(QDeclarativeView::SizeRootObjectToView);
+    canvas->setSource(QUrl::fromLocalFile(SRCDIR "/data/resizemodedeclarativeitem.qml"));
+    QDeclarativeItem* declarativeItem = qobject_cast<QDeclarativeItem*>(canvas->rootObject());
+    QVERIFY(declarativeItem);
+    window.show();
+
+    // initial size from root object
+    QCOMPARE(declarativeItem->width(), 200.0);
+    QCOMPARE(declarativeItem->height(), 200.0);
+    QCOMPARE(canvas->size(), QSize(200, 200));
+    QCOMPARE(canvas->size(), canvas->sizeHint());
+    QCOMPARE(sceneResizedSpy.count(), 1);
+
+    // size update from view
+    canvas->resize(QSize(80,100));
+    QCOMPARE(declarativeItem->width(), 80.0);
+    QCOMPARE(declarativeItem->height(), 100.0);
+    QCOMPARE(canvas->size(), QSize(80, 100));
+    QCOMPARE(canvas->size(), canvas->sizeHint());
+    QCOMPARE(sceneResizedSpy.count(), 2);
+
+    canvas->setResizeMode(QDeclarativeView::SizeViewToRootObject);
+
+    // size update from view disabled
+    canvas->resize(QSize(60,80));
+    QCOMPARE(declarativeItem->width(), 80.0);
+    QCOMPARE(declarativeItem->height(), 100.0);
+    QCOMPARE(canvas->size(), QSize(60, 80));
+    QCOMPARE(sceneResizedSpy.count(), 3);
+
+    // size update from root object
+    declarativeItem->setWidth(250);
+    declarativeItem->setHeight(350);
+    qApp->processEvents();
+    QCOMPARE(declarativeItem->width(), 250.0);
+    QCOMPARE(declarativeItem->height(), 350.0);
+    QCOMPARE(canvas->size(), QSize(250, 350));
+    QCOMPARE(canvas->size(), canvas->sizeHint());
+    QCOMPARE(sceneResizedSpy.count(), 4);
+
+    // reset canvas
+    window.hide();
+    delete canvas;
+    canvas = new QDeclarativeView(&window);
+    QVERIFY(canvas);
+    QSignalSpy sceneResizedSpy2(canvas, SIGNAL(sceneResized(QSize)));
+    canvas->setResizeMode(QDeclarativeView::SizeViewToRootObject);
+    canvas->setSource(QUrl::fromLocalFile(SRCDIR "/data/resizemodedeclarativeitem.qml"));
+    declarativeItem = qobject_cast<QDeclarativeItem*>(canvas->rootObject());
+    QVERIFY(declarativeItem);
+    window.show();
+
+    // initial size for root object
+    QCOMPARE(declarativeItem->width(), 200.0);
+    QCOMPARE(declarativeItem->height(), 200.0);
+    QCOMPARE(canvas->size(), canvas->sizeHint());
+    QCOMPARE(sceneResizedSpy2.count(), 1);
+
+    // size update from root object
+    declarativeItem->setWidth(80);
+    declarativeItem->setHeight(100);
+    qApp->processEvents();
+    QCOMPARE(declarativeItem->width(), 80.0);
+    QCOMPARE(declarativeItem->height(), 100.0);
+    QCOMPARE(canvas->size(), QSize(80, 100));
+    QCOMPARE(canvas->size(), canvas->sizeHint());
+    QCOMPARE(sceneResizedSpy2.count(), 2);
+
+    // size update from root object disabled
+    canvas->setResizeMode(QDeclarativeView::SizeRootObjectToView);
+    declarativeItem->setWidth(60);
+    declarativeItem->setHeight(80);
+    QCOMPARE(canvas->width(), 80);
+    QCOMPARE(canvas->height(), 100);
+    QCOMPARE(canvas->size(), canvas->sizeHint());
+    QCOMPARE(sceneResizedSpy2.count(), 2);
+
+    // size update from view
+    canvas->resize(QSize(200,300));
+    QCOMPARE(declarativeItem->width(), 200.0);
+    QCOMPARE(declarativeItem->height(), 300.0);
+    QCOMPARE(canvas->size(), QSize(200, 300));
+    QCOMPARE(canvas->size(), canvas->sizeHint());
+    QCOMPARE(sceneResizedSpy2.count(), 3);
+
+    delete canvas;
+}
+
+void tst_QDeclarativeView::resizemodegraphicswidget()
+{
+    QWidget window;
+    QDeclarativeView *canvas = new QDeclarativeView(&window);
+    QVERIFY(canvas);
+    QSignalSpy sceneResizedSpy(canvas, SIGNAL(sceneResized(QSize)));
+    canvas->setResizeMode(QDeclarativeView::SizeRootObjectToView);
+    canvas->setSource(QUrl::fromLocalFile(SRCDIR "/data/resizemodegraphicswidget.qml"));
+    QGraphicsWidget* graphicsWidget = qobject_cast<QGraphicsWidget*>(canvas->rootObject());
+    QVERIFY(graphicsWidget);
+    window.show();
+
+    // initial size from root object
+    QCOMPARE(graphicsWidget->size(), QSizeF(200.0, 200.0));
+    QCOMPARE(canvas->size(), QSize(200, 200));
+    QCOMPARE(canvas->size(), QSize(200, 200));
+    QCOMPARE(canvas->size(), canvas->sizeHint());
+    QCOMPARE(sceneResizedSpy.count(), 1);
+
+    // size update from view
+    canvas->resize(QSize(80,100));
+    QCOMPARE(graphicsWidget->size(), QSizeF(80.0,100.0));
+    QCOMPARE(canvas->size(), QSize(80,100));
+    QCOMPARE(canvas->size(), canvas->sizeHint());
+    QCOMPARE(sceneResizedSpy.count(), 2);
+
+    // size update from view disabled
+    canvas->setResizeMode(QDeclarativeView::SizeViewToRootObject);
+    canvas->resize(QSize(60,80));
+    QCOMPARE(graphicsWidget->size(), QSizeF(80.0,100.0));
+    QCOMPARE(canvas->size(), QSize(60, 80));
+    QCOMPARE(sceneResizedSpy.count(), 3);
+
+    // size update from root object
+    graphicsWidget->resize(QSizeF(250.0, 350.0));
+    QCOMPARE(graphicsWidget->size(), QSizeF(250.0,350.0));
+    QCOMPARE(canvas->size(), QSize(250, 350));
+    QCOMPARE(canvas->size(), canvas->sizeHint());
+    QCOMPARE(sceneResizedSpy.count(), 4);
+
+    // reset canvas
+    window.hide();
+    delete canvas;
+    canvas = new QDeclarativeView(&window);
+    QVERIFY(canvas);
+    QSignalSpy sceneResizedSpy2(canvas, SIGNAL(sceneResized(QSize)));
+    canvas->setResizeMode(QDeclarativeView::SizeViewToRootObject);
+    canvas->setSource(QUrl::fromLocalFile(SRCDIR "/data/resizemodegraphicswidget.qml"));
+    graphicsWidget = qobject_cast<QGraphicsWidget*>(canvas->rootObject());
+    QVERIFY(graphicsWidget);
+    window.show();
+
+    // initial size from root object
+    QCOMPARE(graphicsWidget->size(), QSizeF(200.0, 200.0));
+    QCOMPARE(canvas->size(), QSize(200, 200));
+    QCOMPARE(canvas->size(), canvas->sizeHint());
+    QCOMPARE(sceneResizedSpy2.count(), 1);
+
+    // size update from root object
+    graphicsWidget->resize(QSizeF(80, 100));
+    QCOMPARE(graphicsWidget->size(), QSizeF(80.0, 100.0));
+    QCOMPARE(canvas->size(), QSize(80, 100));
+    QCOMPARE(canvas->size(), canvas->sizeHint());
+    QCOMPARE(sceneResizedSpy2.count(), 2);
+
+    // size update from root object disabled
+    canvas->setResizeMode(QDeclarativeView::SizeRootObjectToView);
+    graphicsWidget->resize(QSizeF(60,80));
+    QCOMPARE(canvas->size(), QSize(80,100));
+    QCOMPARE(canvas->size(), canvas->sizeHint());
+    QCOMPARE(sceneResizedSpy2.count(), 2);
+
+    // size update from view
+    canvas->resize(QSize(200,300));
+    QCOMPARE(graphicsWidget->size(), QSizeF(200.0, 300.0));
+    QCOMPARE(canvas->size(), QSize(200, 300));
+    QCOMPARE(canvas->size(), canvas->sizeHint());
+    QCOMPARE(sceneResizedSpy2.count(), 3);
+
+    window.show();
+    delete canvas;
+}
+
+template<typename T>
+T *tst_QDeclarativeView::findItem(QGraphicsObject *parent, const QString &objectName)
+{
+    if (!parent)
+        return 0;
+
+    const QMetaObject &mo = T::staticMetaObject;
+    //qDebug() << parent->QGraphicsObject::children().count() << "children";
+    for (int i = 0; i < parent->childItems().count(); ++i) {
+        QDeclarativeItem *item = qobject_cast<QDeclarativeItem*>(parent->childItems().at(i));
+        if(!item)
+            continue;
+        //qDebug() << "try" << item;
+        if (mo.cast(item) && (objectName.isEmpty() || item->objectName() == objectName))
+            return static_cast<T*>(item);
+        item = findItem<T>(item, objectName);
+        if (item)
+            return static_cast<T*>(item);
+    }
+
+    return 0;
+}
+
+QTEST_MAIN(tst_QDeclarativeView)
+
+#include "tst_qdeclarativeview.moc"