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39 
40 #ifndef QQUICKTEXTNODE_P_H
41 #define QQUICKTEXTNODE_P_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 
54 #include <QtQuick/qsgnode.h>
55 #include "qquicktext_p.h"
56 #include <qglyphrun.h>
57 
58 #include <QtGui/qcolor.h>
59 #include <QtGui/qtextlayout.h>
60 #include <QtCore/qvarlengtharray.h>
61 #include <QtCore/qscopedpointer.h>
62 
63 QT_BEGIN_NAMESPACE
64 
65 class QSGGlyphNode;
66 class QTextBlock;
67 class QColor;
68 class QTextDocument;
69 class QSGContext;
70 class QRawFont;
71 class QSGInternalRectangleNode;
72 class QSGClipNode;
73 class QSGTexture;
74 
75 class QQuickTextNodeEngine;
76 
77 class Q_QUICK_PRIVATE_EXPORT QQuickTextNode : public QSGTransformNode
78 {
79 public:
80     QQuickTextNode(QQuickItem *ownerElement);
81     ~QQuickTextNode();
82 
83     static bool isComplexRichText(QTextDocument *);
84 
85     void deleteContent();
86     void addTextLayout(const QPointF &position, QTextLayout *textLayout, const QColor &color = QColor(),
87                        QQuickText::TextStyle style = QQuickText::Normal, const QColor &styleColor = QColor(),
88                        const QColor &anchorColor = QColor(),
89                        const QColor &selectionColor = QColor(), const QColor &selectedTextColor = QColor(),
90                        int selectionStart = -1, int selectionEnd = -1,
91                        int lineStart = 0, int lineCount = -1);
92     void addTextDocument(const QPointF &position, QTextDocument *textDocument, const QColor &color = QColor(),
93                          QQuickText::TextStyle style = QQuickText::Normal, const QColor &styleColor = QColor(),
94                          const QColor &anchorColor = QColor(),
95                          const QColor &selectionColor = QColor(), const QColor &selectedTextColor = QColor(),
96                          int selectionStart = -1, int selectionEnd = -1);
97 
98     void setCursor(const QRectF &rect, const QColor &color);
99     void clearCursor();
cursorNode()100     QSGInternalRectangleNode *cursorNode() const { return m_cursorNode; }
101 
102     QSGGlyphNode *addGlyphs(const QPointF &position, const QGlyphRun &glyphs, const QColor &color,
103                             QQuickText::TextStyle style = QQuickText::Normal, const QColor &styleColor = QColor(),
104                             QSGNode *parentNode = 0);
105     void addImage(const QRectF &rect, const QImage &image);
106     void addRectangleNode(const QRectF &rect, const QColor &color);
107 
useNativeRenderer()108     bool useNativeRenderer() const { return m_useNativeRenderer; }
setUseNativeRenderer(bool on)109     void setUseNativeRenderer(bool on) { m_useNativeRenderer = on; }
110 
111 private:
112     QSGInternalRectangleNode *m_cursorNode;
113     QList<QSGTexture *> m_textures;
114     QQuickItem *m_ownerElement;
115     bool m_useNativeRenderer;
116 
117     friend class QQuickTextEdit;
118     friend class QQuickTextEditPrivate;
119 };
120 
121 QT_END_NAMESPACE
122 
123 #endif // QQUICKTEXTNODE_P_H
124