Introducing QQuickWidget

Renders into an FBO, and provides a texture that is
composed by the QPA/widget kernel compositor.

Also introducing QQuickRenderControl, which is private
API for now.

Change-Id: I710c16e1506124a17f91e87344496471803a448b
Reviewed-by: Gunnar Sletta <gunnar.sletta@jollamobile.com>

1 files changed, 127 insertions, 0 deletions

diff --git a/src/quickwidgets/qquickwidget.h b/src/quickwidgets/qquickwidget.h
new file mode 100644
index 0000000000..f191a2d253
--- /dev/null
+++ b/src/quickwidgets/qquickwidget.h
@@ -0,0 +1,127 @@
+/****************************************************************************
+**
+** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the QtQuick module 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.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QQUICKWIDGET_H
+#define QQUICKWIDGET_H
+
+#include <QtWidgets/qwidget.h>
+#include <QtQuick/qquickwindow.h>
+#include <QtCore/qurl.h>
+#include <QtQml/qqmldebug.h>
+#include <QtQuickWidgets/qtquickwidgetsglobal.h>
+
+QT_BEGIN_NAMESPACE
+
+class QQmlEngine;
+class QQmlContext;
+class QQmlError;
+class QQuickItem;
+class QQmlComponent;
+
+class QQuickWidgetPrivate;
+class Q_QUICKWIDGETS_EXPORT QQuickWidget : public QWidget
+{
+    Q_OBJECT
+    Q_PROPERTY(ResizeMode resizeMode READ resizeMode WRITE setResizeMode)
+    Q_PROPERTY(Status status READ status NOTIFY statusChanged)
+    Q_PROPERTY(QUrl source READ source WRITE setSource DESIGNABLE true)
+    Q_ENUMS(ResizeMode Status)
+public:
+    explicit QQuickWidget(QWidget *parent = 0);
+    QQuickWidget(QQmlEngine* engine, QWidget *parent);
+    QQuickWidget(const QUrl &source, QWidget *parent = 0);
+    virtual ~QQuickWidget();
+
+    QUrl source() const;
+
+    QQmlEngine* engine() const;
+    QQmlContext* rootContext() const;
+
+    QQuickItem *rootObject() const;
+
+    enum ResizeMode { SizeViewToRootObject, SizeRootObjectToView };
+    ResizeMode resizeMode() const;
+    void setResizeMode(ResizeMode);
+
+    enum Status { Null, Ready, Loading, Error };
+    Status status() const;
+
+    QList<QQmlError> errors() const;
+
+    QSize sizeHint() const;
+    QSize initialSize() const;
+
+public Q_SLOTS:
+    void setSource(const QUrl&);
+    void setContent(const QUrl& url, QQmlComponent *component, QObject *item);
+
+Q_SIGNALS:
+    void statusChanged(QQuickWidget::Status);
+
+private Q_SLOTS:
+    void continueExecute();
+    void createFramebufferObject();
+    void destroyFramebufferObject();
+    void triggerUpdate();
+
+protected:
+    virtual void resizeEvent(QResizeEvent *);
+    virtual void timerEvent(QTimerEvent*);
+
+    virtual void keyPressEvent(QKeyEvent *);
+    virtual void keyReleaseEvent(QKeyEvent *);
+    virtual void mousePressEvent(QMouseEvent *);
+    virtual void mouseReleaseEvent(QMouseEvent *);
+    virtual void mouseMoveEvent(QMouseEvent *);
+
+    virtual void showEvent(QShowEvent *);
+    virtual void hideEvent(QHideEvent *);
+
+    bool event(QEvent *);
+
+private:
+    Q_DISABLE_COPY(QQuickWidget)
+    Q_DECLARE_PRIVATE(QQuickWidget)
+};
+
+QT_END_NAMESPACE
+
+#endif // QQuickWidget_H