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39
40#ifndef DIRECTEDVECTOR_H
41#define DIRECTEDVECTOR_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 "qquickdirection_p.h"
54#include <QtQml/qqml.h>
55
56QT_BEGIN_NAMESPACE
57
58class QQuickItem;
59class QQuickTargetDirection : public QQuickDirection
60{
61 Q_OBJECT
62 Q_PROPERTY(qreal targetX READ targetX WRITE setTargetX NOTIFY targetXChanged)
63 Q_PROPERTY(qreal targetY READ targetY WRITE setTargetY NOTIFY targetYChanged)
64 //If targetItem is set, X/Y are ignored. Aims at middle of item, use variation for variation
65 Q_PROPERTY(QQuickItem* targetItem READ targetItem WRITE setTargetItem NOTIFY targetItemChanged)
66
67 Q_PROPERTY(qreal targetVariation READ targetVariation WRITE setTargetVariation NOTIFY targetVariationChanged)
68
69 //TODO: An enum would be better
70 Q_PROPERTY(bool proportionalMagnitude READ proportionalMagnitude WRITE setProportionalMagnitude NOTIFY proprotionalMagnitudeChanged)
71 Q_PROPERTY(qreal magnitude READ magnitude WRITE setMagnitude NOTIFY magnitudeChanged)
72 Q_PROPERTY(qreal magnitudeVariation READ magnitudeVariation WRITE setMagnitudeVariation NOTIFY magnitudeVariationChanged)
73 QML_NAMED_ELEMENT(TargetDirection)
74
75public:
76 explicit QQuickTargetDirection(QObject *parent = 0);
77 QPointF sample(const QPointF &from) override;
78
79 qreal targetX() const
80 {
81 return m_targetX;
82 }
83
84 qreal targetY() const
85 {
86 return m_targetY;
87 }
88
89 qreal targetVariation() const
90 {
91 return m_targetVariation;
92 }
93
94 qreal magnitude() const
95 {
96 return m_magnitude;
97 }
98
99 bool proportionalMagnitude() const
100 {
101 return m_proportionalMagnitude;
102 }
103
104 qreal magnitudeVariation() const
105 {
106 return m_magnitudeVariation;
107 }
108
109 QQuickItem* targetItem() const
110 {
111 return m_targetItem;
112 }
113
114Q_SIGNALS:
115
116 void targetXChanged(qreal arg);
117
118 void targetYChanged(qreal arg);
119
120 void targetVariationChanged(qreal arg);
121
122 void magnitudeChanged(qreal arg);
123
124 void proprotionalMagnitudeChanged(bool arg);
125
126 void magnitudeVariationChanged(qreal arg);
127
128 void targetItemChanged(QQuickItem* arg);
129
130public Q_SLOTS:
131 void setTargetX(qreal arg)
132 {
133 if (m_targetX != arg) {
134 m_targetX = arg;
135 Q_EMIT targetXChanged(arg);
136 }
137 }
138
139 void setTargetY(qreal arg)
140 {
141 if (m_targetY != arg) {
142 m_targetY = arg;
143 Q_EMIT targetYChanged(arg);
144 }
145 }
146
147 void setTargetVariation(qreal arg)
148 {
149 if (m_targetVariation != arg) {
150 m_targetVariation = arg;
151 Q_EMIT targetVariationChanged(arg);
152 }
153 }
154
155 void setMagnitude(qreal arg)
156 {
157 if (m_magnitude != arg) {
158 m_magnitude = arg;
159 Q_EMIT magnitudeChanged(arg);
160 }
161 }
162
163 void setProportionalMagnitude(bool arg)
164 {
165 if (m_proportionalMagnitude != arg) {
166 m_proportionalMagnitude = arg;
167 Q_EMIT proprotionalMagnitudeChanged(arg);
168 }
169 }
170
171 void setMagnitudeVariation(qreal arg)
172 {
173 if (m_magnitudeVariation != arg) {
174 m_magnitudeVariation = arg;
175 Q_EMIT magnitudeVariationChanged(arg);
176 }
177 }
178
179 void setTargetItem(QQuickItem* arg)
180 {
181 if (m_targetItem != arg) {
182 m_targetItem = arg;
183 Q_EMIT targetItemChanged(arg);
184 }
185 }
186
187private:
188 qreal m_targetX;
189 qreal m_targetY;
190 qreal m_targetVariation;
191 bool m_proportionalMagnitude;
192 qreal m_magnitude;
193 qreal m_magnitudeVariation;
194 QQuickItem *m_targetItem;
195};
196
197QT_END_NAMESPACE
198#endif // DIRECTEDVECTOR_H
199

source code of qtdeclarative/src/particles/qquicktargetdirection_p.h