Added an example of the window container embedding a QQuickView

Change-Id: I451716f4a0eac2020835a9e8a0d67626b981c736
Reviewed-by: Alan Alpert <aalpert@rim.com>

5 files changed, 280 insertions, 0 deletions

diff --git a/examples/quick/embeddedinwidgets/TextBox.qml b/examples/quick/embeddedinwidgets/TextBox.qml
new file mode 100644
index 0000000000..9664726305
--- /dev/null
+++ b/examples/quick/embeddedinwidgets/TextBox.qml
@@ -0,0 +1,76 @@
+/****************************************************************************
+**
+** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the demonstration applications of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** 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, Digia gives you certain additional
+** rights.  These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+import QtQuick 2.0
+
+FocusScope {
+    id: root
+
+    width: 100
+    height: 30
+
+    property Item nextInFocus;
+    property string label;
+
+    Rectangle {
+        anchors.margins: 2
+        anchors.fill: parent
+        radius: 8
+        gradient: Gradient {
+            GradientStop { position: 0; color: "lightgray" }
+            GradientStop { position: 1; color: "white" }
+        }
+        border.color: "white"
+        border.width: 2
+        antialiasing: true
+
+        TextInput {
+            anchors.fill: parent
+            verticalAlignment: Text.AlignVCenter
+            horizontalAlignment: Text.AlignHCenter
+            focus: true
+
+            text: root.label;
+
+            KeyNavigation.tab: root.nextInFocus;
+        }
+    }
+}
diff --git a/examples/quick/embeddedinwidgets/embeddedinwidgets.pro b/examples/quick/embeddedinwidgets/embeddedinwidgets.pro
new file mode 100644
index 0000000000..de47a397ab
--- /dev/null
+++ b/examples/quick/embeddedinwidgets/embeddedinwidgets.pro
@@ -0,0 +1,12 @@
+TEMPLATE = app
+QT += widgets quick
+
+SOURCES += main.cpp
+
+OTHER_FILES += main.qml TextBox.qml
+
+RESOURCES += \
+    embeddedinwidgets.qrc
+
+target.path = $$[QT_INSTALL_EXAMPLES]/quick/embeddedinwidgets
+INSTALLS += target
diff --git a/examples/quick/embeddedinwidgets/embeddedinwidgets.qrc b/examples/quick/embeddedinwidgets/embeddedinwidgets.qrc
new file mode 100644
index 0000000000..62e0ed2161
--- /dev/null
+++ b/examples/quick/embeddedinwidgets/embeddedinwidgets.qrc
@@ -0,0 +1,6 @@
+<RCC>
+    <qresource prefix="/embeddedinwidgets">
+        <file>main.qml</file>
+        <file>TextBox.qml</file>
+    </qresource>
+</RCC>
diff --git a/examples/quick/embeddedinwidgets/main.cpp b/examples/quick/embeddedinwidgets/main.cpp
new file mode 100644
index 0000000000..7a30b277de
--- /dev/null
+++ b/examples/quick/embeddedinwidgets/main.cpp
@@ -0,0 +1,73 @@
+/****************************************************************************
+**
+** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the demonstration applications of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** 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, Digia gives you certain additional
+** rights.  These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QWidget>
+#include <QApplication>
+#include <QVBoxLayout>
+#include <QLineEdit>
+
+#include <QQuickView>
+
+int main(int argc, char **argv)
+{
+    QApplication app(argc, argv);
+
+    QWidget rootWidget;
+
+    QVBoxLayout *layout = new QVBoxLayout();
+    rootWidget.setLayout(layout);
+
+    QQuickView *view = new QQuickView();
+    view->setResizeMode(QQuickView::SizeRootObjectToView);
+    view->setSource(QUrl(QStringLiteral("qrc:///embeddedinwidgets/main.qml")));
+
+    QWidget *container = QWidget::createWindowContainer(view);
+    container->setMinimumSize(view->size());
+    container->setFocusPolicy(Qt::TabFocus);
+
+    layout->addWidget(new QLineEdit(QStringLiteral("A QLineEdit")));
+    layout->addWidget(container);
+    layout->addWidget(new QLineEdit(QStringLiteral("A QLineEdit")));
+
+    rootWidget.show();
+
+    return app.exec();
+}
diff --git a/examples/quick/embeddedinwidgets/main.qml b/examples/quick/embeddedinwidgets/main.qml
new file mode 100644
index 0000000000..f5a941a258
--- /dev/null
+++ b/examples/quick/embeddedinwidgets/main.qml
@@ -0,0 +1,113 @@
+/****************************************************************************
+**
+** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the demonstration applications of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** 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, Digia gives you certain additional
+** rights.  These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+import QtQuick 2.0
+
+Rectangle {
+    id: window
+
+    width: 400
+    height: 200
+
+    gradient: Gradient {
+        GradientStop { position: 0; color: "lightsteelblue" }
+        GradientStop { position: 1; color: "black" }
+    }
+
+    Column {
+        id: column
+        opacity: 0.99 // work around QTBUG-29037
+
+        y: 50
+        width: 200
+        anchors.horizontalCenter: parent.horizontalCenter
+
+        TextBox {
+            id: input1
+            width: parent.width
+            height: 30
+            focus: true
+
+            label: "A QML text box.."
+
+            nextInFocus: input2;
+        }
+
+        TextBox {
+            id: input2
+            width: parent.width
+            height: 30
+
+            label: "Another QML text box.."
+
+            nextInFocus: input1;
+        }
+
+        layer.enabled: true
+        layer.smooth: true
+    }
+
+    ShaderEffect {
+        anchors.top: column.bottom
+        width: column.width
+        height: column.height;
+        anchors.left: column.left
+
+        property variant source: column;
+        property size sourceSize: Qt.size(0.5 / column.width, 0.5 / column.height);
+
+        fragmentShader: "
+            varying highp vec2 qt_TexCoord0;
+            uniform lowp sampler2D source;
+            uniform lowp vec2 sourceSize;
+            uniform lowp float qt_Opacity;
+            void main() {
+
+                lowp vec2 tc = qt_TexCoord0 * vec2(1, -1) + vec2(0, 1);
+                lowp vec4 col = 0.25 * (texture2D(source, tc + sourceSize)
+                                        + texture2D(source, tc- sourceSize)
+                                        + texture2D(source, tc + sourceSize * vec2(1, -1))
+                                        + texture2D(source, tc + sourceSize * vec2(-1, 1))
+                                       );
+                gl_FragColor = col * qt_Opacity * (1.0 - qt_TexCoord0.y) * 0.2;
+            }"
+    }
+}