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29 
30 //
31 //  W A R N I N G
32 //  -------------
33 //
34 // This file is not part of the QtDataVisualization API.  It exists purely as an
35 // implementation detail.  This header file may change from version to
36 // version without notice, or even be removed.
37 //
38 // We mean it.
39 
40 #ifndef DECLARATIVETHEME_P_H
41 #define DECLARATIVETHEME_P_H
42 
43 #include "datavisualizationglobal_p.h"
44 #include "declarativecolor_p.h"
45 #include "colorgradient_p.h"
46 #include "q3dtheme_p.h"
47 
48 #include <QtQml/QQmlParserStatus>
49 
50 QT_BEGIN_NAMESPACE_DATAVISUALIZATION
51 
52 class DeclarativeTheme3D : public Q3DTheme, public QQmlParserStatus
53 {
54     Q_OBJECT
55     Q_INTERFACES(QQmlParserStatus)
56     Q_PROPERTY(QQmlListProperty<QObject> themeChildren READ themeChildren)
57     Q_PROPERTY(QQmlListProperty<DeclarativeColor> baseColors READ baseColors)
58     Q_PROPERTY(QQmlListProperty<ColorGradient> baseGradients READ baseGradients)
59     Q_PROPERTY(ColorGradient *singleHighlightGradient READ singleHighlightGradient WRITE setSingleHighlightGradient NOTIFY singleHighlightGradientChanged)
60     Q_PROPERTY(ColorGradient *multiHighlightGradient READ multiHighlightGradient WRITE setMultiHighlightGradient NOTIFY multiHighlightGradientChanged)
61     Q_CLASSINFO("DefaultProperty", "themeChildren")
62 
63 public:
64     DeclarativeTheme3D(QObject *parent = 0);
65     virtual ~DeclarativeTheme3D();
66 
67     QQmlListProperty<QObject> themeChildren();
68     static void appendThemeChildren(QQmlListProperty<QObject> *list, QObject *element);
69 
70     QQmlListProperty<DeclarativeColor> baseColors();
71     static void appendBaseColorsFunc(QQmlListProperty<DeclarativeColor> *list,
72                                      DeclarativeColor *color);
73     static int countBaseColorsFunc(QQmlListProperty<DeclarativeColor> *list);
74     static DeclarativeColor *atBaseColorsFunc(QQmlListProperty<DeclarativeColor> *list, int index);
75     static void clearBaseColorsFunc(QQmlListProperty<DeclarativeColor> *list);
76 
77     QQmlListProperty<ColorGradient> baseGradients();
78     static void appendBaseGradientsFunc(QQmlListProperty<ColorGradient> *list,
79                                         ColorGradient *gradient);
80     static int countBaseGradientsFunc(QQmlListProperty<ColorGradient> *list);
81     static ColorGradient *atBaseGradientsFunc(QQmlListProperty<ColorGradient> *list, int index);
82     static void clearBaseGradientsFunc(QQmlListProperty<ColorGradient> *list);
83 
84     void setSingleHighlightGradient(ColorGradient *gradient);
85     ColorGradient *singleHighlightGradient() const;
86 
87     void setMultiHighlightGradient(ColorGradient *gradient);
88     ColorGradient *multiHighlightGradient() const;
89 
90     // From QQmlParserStatus
91     virtual void classBegin();
92     virtual void componentComplete();
93 
94 Q_SIGNALS:
95     void singleHighlightGradientChanged(ColorGradient *gradient);
96     void multiHighlightGradientChanged(ColorGradient *gradient);
97 
98 protected:
99     void handleTypeChange(Theme themeType);
100     void handleBaseColorUpdate();
101     void handleBaseGradientUpdate();
102     void handleSingleHLGradientUpdate();
103     void handleMultiHLGradientUpdate();
104 
105     enum GradientType {
106         GradientTypeBase = 0,
107         GradientTypeSingleHL,
108         GradientTypeMultiHL
109     };
110 
111 private:
112     void addColor(DeclarativeColor *color);
113     QList<DeclarativeColor *> colorList();
114     void clearColors();
115     void clearDummyColors();
116 
117     void addGradient(ColorGradient *gradient);
118     QList<ColorGradient *> gradientList();
119     void clearGradients();
120     void clearDummyGradients();
121 
122     void setThemeGradient(ColorGradient *gradient, GradientType type);
123     QLinearGradient convertGradient(ColorGradient *gradient);
124     ColorGradient *convertGradient(const QLinearGradient &gradient);
125 
126     QList<DeclarativeColor *> m_colors; // Not owned
127     QList<ColorGradient *> m_gradients; // Not owned
128     ColorGradient *m_singleHLGradient; // Not owned
129     ColorGradient *m_multiHLGradient; // Not owned
130 
131     bool m_dummyGradients;
132     bool m_dummyColors;
133 };
134 
135 QT_END_NAMESPACE_DATAVISUALIZATION
136 
137 #endif
138