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  • Laszlo Agocs's avatar
    Add QQuickWidget::setClearColor() · 2b3de73d
    Laszlo Agocs authored 
    
And make qquickviewcomparison able to demonstrate how to create a
partially transparent QQuickWidget.

Avoid also recreating the QQuickView/QQuickWidget multiple times
when switching between the radio buttons.

[ChangeLog] Added QQuickWidget::setClearColor() in order to support
semi-transparent QQuickWidgets.

Change-Id: I319ad4afbe909530274d09f2a7fcff23730d6ebd
Reviewed-by: default avatarJørgen Lind <jorgen.lind@digia.com>
    2b3de73d
qquickwidget.h 4.61 KiB
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/****************************************************************************
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**
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** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
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** Contact: http://www.qt-project.org/legal
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**
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** This file is part of the QtQuick module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Digia.  For licensing terms and
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** conditions see http://qt.digia.com/licensing.  For further information
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** use the contact form at http://qt.digia.com/contact-us.
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file.  Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Digia gives you certain additional
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** rights.  These rights are described in the Digia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file.  Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef QQUICKWIDGET_H
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#define QQUICKWIDGET_H
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#include <QtWidgets/qwidget.h>
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#include <QtQuick/qquickwindow.h>
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#include <QtCore/qurl.h>
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#include <QtQml/qqmldebug.h>
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#include <QtQuickWidgets/qtquickwidgetsglobal.h>
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#include <QtGui/qimage.h>
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QT_BEGIN_NAMESPACE
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class QQmlEngine;
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class QQmlContext;
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class QQmlError;
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class QQuickItem;
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class QQmlComponent;
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class QQuickWidgetPrivate;
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class Q_QUICKWIDGETS_EXPORT QQuickWidget : public QWidget
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{
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    Q_OBJECT
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    Q_PROPERTY(ResizeMode resizeMode READ resizeMode WRITE setResizeMode)
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    Q_PROPERTY(Status status READ status NOTIFY statusChanged)
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    Q_PROPERTY(QUrl source READ source WRITE setSource DESIGNABLE true)
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    Q_ENUMS(ResizeMode Status)
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public:
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    explicit QQuickWidget(QWidget *parent = 0);
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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; void setFormat(const QSurfaceFormat &format); QSurfaceFormat format() const; QImage grabFramebuffer() const; void setClearColor(const QColor &color); public Q_SLOTS: void setSource(const QUrl&); void setContent(const QUrl& url, QQmlComponent *component, QObject *item); Q_SIGNALS: void statusChanged(QQuickWidget::Status); void sceneGraphError(QQuickWindow::SceneGraphError error, const QString &message); 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 mouseDoubleClickEvent(QMouseEvent *); virtual void showEvent(QShowEvent *); virtual void hideEvent(QHideEvent *); virtual void focusInEvent(QFocusEvent * event); virtual void focusOutEvent(QFocusEvent * event); #ifndef QT_NO_WHEELEVENT virtual void wheelEvent(QWheelEvent *); #endif bool event(QEvent *); private: Q_DISABLE_COPY(QQuickWidget) Q_DECLARE_PRIVATE(QQuickWidget)
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}; QT_END_NAMESPACE #endif // QQuickWidget_H