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qquickitemparticle_p.h

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1 /**************************************************************************** -

2 ** -

4 ** Contact: https://www.qt.io/licensing/ -

5 ** -

6 ** This file is part of the QtQuick module of the Qt Toolkit. -

7 ** -

8 ** $QT_BEGIN_LICENSE:LGPL$ -

9 ** Commercial License Usage -

10 ** Licensees holding valid commercial Qt licenses may use this file in -

11 ** accordance with the commercial license agreement provided with the -

12 ** Software or, alternatively, in accordance with the terms contained in -

13 ** a written agreement between you and The Qt Company. For licensing terms -

14 ** and conditions see https://www.qt.io/terms-conditions. For further -

15 ** information use the contact form at https://www.qt.io/contact-us. -

16 ** -

17 ** GNU Lesser General Public License Usage -

18 ** Alternatively, this file may be used under the terms of the GNU Lesser -

19 ** General Public License version 3 as published by the Free Software -

20 ** Foundation and appearing in the file LICENSE.LGPL3 included in the -

21 ** packaging of this file. Please review the following information to -

22 ** ensure the GNU Lesser General Public License version 3 requirements -

23 ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. -

24 ** -

25 ** GNU General Public License Usage -

26 ** Alternatively, this file may be used under the terms of the GNU -

27 ** General Public License version 2.0 or (at your option) the GNU General -

28 ** Public license version 3 or any later version approved by the KDE Free -

29 ** Qt Foundation. The licenses are as published by the Free Software -

30 ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 -

31 ** included in the packaging of this file. Please review the following -

32 ** information to ensure the GNU General Public License requirements will -

33 ** be met: https://www.gnu.org/licenses/gpl-2.0.html and -

34 ** https://www.gnu.org/licenses/gpl-3.0.html. -

35 ** -

36 ** $QT_END_LICENSE$ -

37 ** -

38 ****************************************************************************/ -

39 -

40 #ifndef ITEMPARTICLE_H -

41 #define ITEMPARTICLE_H -

42 -

43 // -

44 // W A R N I N G -

45 // ------------- -

46 // -

47 // This file is not part of the Qt API. It exists purely as an -

48 // implementation detail. This header file may change from version to -

49 // version without notice, or even be removed. -

50 // -

51 // We mean it. -

52 // -

53 #include "qquickparticlepainter_p.h" -

54 #include <QPointer> -

55 #include <QSet> -

56 #include <private/qquickanimation_p_p.h> -

57 QT_BEGIN_NAMESPACE -

58 -

59 class QQuickVisualDataModel; -

60 class QQuickItemParticleAttached; -

61 -

62 class QQuickItemParticle : public QQuickParticlePainter -

63 { -

64 Q_OBJECT -

65 Q_PROPERTY(bool fade READ fade WRITE setFade NOTIFY fadeChanged) -

66 Q_PROPERTY(QQmlComponent* delegate READ delegate WRITE setDelegate NOTIFY delegateChanged) -

67 public: -

68 explicit QQuickItemParticle(QQuickItem *parent = 0); -

69 ~QQuickItemParticle(); -

70 -

bool fade() const { return m_fade; }

never executed: return m_fade;

72 -

73 QSGNode *updatePaintNode(QSGNode *, UpdatePaintNodeData *) override; -

74 -

75 static QQuickItemParticleAttached *qmlAttachedProperties(QObject *object); -

76 QQmlComponent* delegate() const -

77 { -

return m_delegate;

never executed: return m_delegate;

79 } -

80 -

81 Q_SIGNALS: -

82 void fadeChanged(); -

83 -

84 void delegateChanged(QQmlComponent* arg); -

85 -

86 public Q_SLOTS: -

87 //TODO: Add a follow mode, where moving the delegate causes the logical particle to go with it? -

88 void freeze(QQuickItem* item); -

89 void unfreeze(QQuickItem* item); -

90 void take(QQuickItem* item,bool prioritize=false);//take by modelparticle -

91 void give(QQuickItem* item);//give from modelparticle -

92 -

void setFade(bool arg){if (arg == m_fade) return; m_fade = arg; Q_EMIT fadeChanged();}

never executed: return;

never executed: end of block

arg == m_fade	Description
TRUE	never evaluated
FALSE	never evaluated

94 void setDelegate(QQmlComponent* arg) -

95 { -

if (m_delegate != arg) {

m_delegate != arg	Description
TRUE	evaluated 6 times by 2 tests Evaluated by: tst_examples tst_qquickitemparticle
FALSE	never evaluated

0-6

97 m_delegate = arg; -

98 Q_EMIT delegateChanged(arg); -

}

executed 6 times by 2 tests: end of block

Executed by:

tst_examples
tst_qquickitemparticle

100

}

executed 6 times by 2 tests: end of block

Executed by:

tst_examples
tst_qquickitemparticle

101 -

102 protected: -

103 void reset() override; -

104 void commit(int gIdx, int pIdx) override; -

105 void initialize(int gIdx, int pIdx) override; -

106 void prepareNextFrame(); -

107 private: -

108 void processDeletables(); -

109 void tick(int time = 0); -

110 QList<QQuickItem* > m_deletables; -

111 QList<QQuickItem* > m_managed; -

112 QList< QQuickParticleData* > m_loadables; -

113 bool m_fade; -

114 -

115 QList<QQuickItem*> m_pendingItems; -

116 QList<int> m_available; -

117 QSet<QQuickItem*> m_stasis; -

118 qreal m_lastT; -

119 int m_activeCount; -

120 QQmlComponent* m_delegate; -

121 -

122 typedef QTickAnimationProxy<QQuickItemParticle, &QQuickItemParticle::tick> Clock; -

123 Clock *clock; -

124 }; -

125 -

126 class QQuickItemParticleAttached : public QObject -

127 { -

128 Q_OBJECT -

129 Q_PROPERTY(QQuickItemParticle* particle READ particle CONSTANT); -

130 public: -

131 QQuickItemParticleAttached(QObject* parent) -

132 : QObject(parent), m_mp(0) -

133

{;}

executed 2472 times by 1 test: end of block

Executed by:

tst_qquickitemparticle

2472

134

QQuickItemParticle* particle() const { return m_mp; }

never executed: return m_mp;

135

void detach(){Q_EMIT detached();}

executed 1716 times by 1 test: end of block

Executed by:

tst_qquickitemparticle

1716

136

void attach(){Q_EMIT attached();}

executed 3176 times by 1 test: end of block

Executed by:

tst_qquickitemparticle

3176

137 private: -

138 QQuickItemParticle* m_mp; -

139 friend class QQuickItemParticle; -

140 Q_SIGNALS: -

141 void detached(); -

142 void attached(); -

143 }; -

144 -

145 QT_END_NAMESPACE -

146 -

147 QML_DECLARE_TYPEINFO(QQuickItemParticle, QML_HAS_ATTACHED_PROPERTIES) -

148 -

149 #endif // ITEMPARTICLE_H -

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