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| ** |
| ** Copyright (C) 2016 The Qt Company Ltd. |
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| ** |
| ** This file is part of the QtQuick module of the Qt Toolkit. |
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| ** GNU General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU |
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| ****************************************************************************/ |
| #ifndef QQuickPARTICLEGROUP |
| #define QQuickPARTICLEGROUP |
| |
| // |
| // 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 <private/qquickspriteengine_p.h> |
| #include "qquickparticlesystem_p.h" |
| #include "qqmlparserstatus.h" |
| |
| QT_BEGIN_NAMESPACE |
| |
| class QQuickParticleGroup : public QQuickStochasticState, public QQmlParserStatus |
| { |
| Q_OBJECT |
| //### Would setting limits per group be useful? Or clutter the API? |
| //Q_PROPERTY(int maximumAlive READ maximumAlive WRITE setMaximumAlive NOTIFY maximumAliveChanged) |
| |
| Q_PROPERTY(QQuickParticleSystem* system READ system WRITE setSystem NOTIFY systemChanged) |
| |
| //Intercept children requests and assign to the group & system |
| Q_PROPERTY(QQmlListProperty<QObject> particleChildren READ particleChildren DESIGNABLE false)//### Hidden property for in-state system definitions - ought not to be used in actual "Sprite" states |
| Q_CLASSINFO("DefaultProperty", "particleChildren") |
| QML_NAMED_ELEMENT(ParticleGroup) |
| Q_INTERFACES(QQmlParserStatus) |
| |
| public: |
| explicit QQuickParticleGroup(QObject* parent = 0); |
| |
| QQmlListProperty<QObject> particleChildren(); |
| |
| int maximumAlive() const |
| { |
| return m_maximumAlive; |
| } |
| |
| QQuickParticleSystem* system() const |
| { |
| return m_system; |
| } |
| |
| public Q_SLOTS: |
| |
| void setMaximumAlive(int arg) |
| { |
| if (m_maximumAlive != arg) { |
| m_maximumAlive = arg; |
| Q_EMIT maximumAliveChanged(arg); |
| } |
| } |
| |
| void setSystem(QQuickParticleSystem* arg); |
| |
| void delayRedirect(QObject* obj); |
| |
| Q_SIGNALS: |
| |
| void maximumAliveChanged(int arg); |
| |
| void systemChanged(QQuickParticleSystem* arg); |
| |
| protected: |
| void componentComplete() override; |
| void classBegin() override {} |
| |
| private: |
| |
| void performDelayedRedirects(); |
| |
| int m_maximumAlive; |
| QQuickParticleSystem* m_system; |
| QList<QObject*> m_delayedRedirects; |
| }; |
| |
| QT_END_NAMESPACE |
| |
| #endif |