| /**************************************************************************** |
| ** |
| ** Copyright (C) 2016 The Qt Company Ltd. |
| ** Contact: https://www.qt.io/licensing/ |
| ** |
| ** This file is part of the QtQuick module of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:LGPL$ |
| ** Commercial License Usage |
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| ** GNU Lesser General Public License Usage |
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| ** packaging of this file. Please review the following information to |
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| ** |
| ** GNU General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU |
| ** General Public License version 2.0 or (at your option) the GNU General |
| ** Public license version 3 or any later version approved by the KDE Free |
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| ****************************************************************************/ |
| |
| #ifndef QQUICKLOADER_P_H |
| #define QQUICKLOADER_P_H |
| |
| // |
| // W A R N I N G |
| // ------------- |
| // |
| // This file is not part of the Qt API. It exists purely as an |
| // implementation detail. This header file may change from version to |
| // version without notice, or even be removed. |
| // |
| // We mean it. |
| // |
| |
| #include "qquickimplicitsizeitem_p.h" |
| |
| QT_BEGIN_NAMESPACE |
| |
| class QQuickLoaderPrivate; |
| class Q_AUTOTEST_EXPORT QQuickLoader : public QQuickImplicitSizeItem |
| { |
| Q_OBJECT |
| |
| Q_PROPERTY(bool active READ active WRITE setActive NOTIFY activeChanged) |
| Q_PROPERTY(QUrl source READ source WRITE setSource NOTIFY sourceChanged) |
| Q_PROPERTY(QQmlComponent *sourceComponent READ sourceComponent WRITE setSourceComponent RESET resetSourceComponent NOTIFY sourceComponentChanged) |
| Q_PROPERTY(QObject *item READ item NOTIFY itemChanged) |
| Q_PROPERTY(Status status READ status NOTIFY statusChanged) |
| Q_PROPERTY(qreal progress READ progress NOTIFY progressChanged) |
| Q_PROPERTY(bool asynchronous READ asynchronous WRITE setAsynchronous NOTIFY asynchronousChanged) |
| |
| public: |
| QQuickLoader(QQuickItem *parent = nullptr); |
| virtual ~QQuickLoader(); |
| |
| bool active() const; |
| void setActive(bool newVal); |
| |
| Q_INVOKABLE void setSource(QQmlV4Function *); |
| |
| QUrl source() const; |
| void setSource(const QUrl &); |
| |
| QQmlComponent *sourceComponent() const; |
| void setSourceComponent(QQmlComponent *); |
| void resetSourceComponent(); |
| |
| enum Status { Null, Ready, Loading, Error }; |
| Q_ENUM(Status) |
| Status status() const; |
| qreal progress() const; |
| |
| bool asynchronous() const; |
| void setAsynchronous(bool a); |
| |
| QObject *item() const; |
| |
| Q_SIGNALS: |
| void itemChanged(); |
| void activeChanged(); |
| void sourceChanged(); |
| void sourceComponentChanged(); |
| void statusChanged(); |
| void progressChanged(); |
| void loaded(); |
| void asynchronousChanged(); |
| |
| protected: |
| void geometryChanged(const QRectF &newGeometry, const QRectF &oldGeometry) override; |
| void componentComplete() override; |
| void itemChange(ItemChange change, const ItemChangeData &value) override; |
| |
| private: |
| void setSource(const QUrl &sourceUrl, bool needsClear); |
| void loadFromSource(); |
| void loadFromSourceComponent(); |
| Q_DISABLE_COPY(QQuickLoader) |
| Q_DECLARE_PRIVATE(QQuickLoader) |
| Q_PRIVATE_SLOT(d_func(), void _q_sourceLoaded()) |
| Q_PRIVATE_SLOT(d_func(), void _q_updateSize()) |
| }; |
| |
| QT_END_NAMESPACE |
| |
| QML_DECLARE_TYPE(QQuickLoader) |
| |
| #endif // QQUICKLOADER_P_H |