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50
51#ifndef DOCUMENTHANDLER_H
52#define DOCUMENTHANDLER_H
53
54#include <QQuickTextDocument>
55
56#include <QtGui/QTextCharFormat>
57#include <QtCore/QTextCodec>
58
59#include <qqmlfile.h>
60
61QT_BEGIN_NAMESPACE
62class QTextDocument;
63QT_END_NAMESPACE
64
65class DocumentHandler : public QObject
66{
67 Q_OBJECT
68
69 Q_ENUMS(HAlignment)
70
71 Q_PROPERTY(QQuickItem *target READ target WRITE setTarget NOTIFY targetChanged)
72 Q_PROPERTY(int cursorPosition READ cursorPosition WRITE setCursorPosition NOTIFY cursorPositionChanged)
73 Q_PROPERTY(int selectionStart READ selectionStart WRITE setSelectionStart NOTIFY selectionStartChanged)
74 Q_PROPERTY(int selectionEnd READ selectionEnd WRITE setSelectionEnd NOTIFY selectionEndChanged)
75
76 Q_PROPERTY(QColor textColor READ textColor WRITE setTextColor NOTIFY textColorChanged)
77 Q_PROPERTY(QString fontFamily READ fontFamily WRITE setFontFamily NOTIFY fontFamilyChanged)
78 Q_PROPERTY(Qt::Alignment alignment READ alignment WRITE setAlignment NOTIFY alignmentChanged)
79
80 Q_PROPERTY(bool bold READ bold WRITE setBold NOTIFY boldChanged)
81 Q_PROPERTY(bool italic READ italic WRITE setItalic NOTIFY italicChanged)
82 Q_PROPERTY(bool underline READ underline WRITE setUnderline NOTIFY underlineChanged)
83
84 Q_PROPERTY(int fontSize READ fontSize WRITE setFontSize NOTIFY fontSizeChanged)
85
86 Q_PROPERTY(QStringList defaultFontSizes READ defaultFontSizes NOTIFY defaultFontSizesChanged)
87
88 Q_PROPERTY(QUrl fileUrl READ fileUrl WRITE setFileUrl NOTIFY fileUrlChanged)
89 Q_PROPERTY(QString text READ text WRITE setText NOTIFY textChanged)
90 Q_PROPERTY(QString documentTitle READ documentTitle WRITE setDocumentTitle NOTIFY documentTitleChanged)
91
92public:
93 DocumentHandler();
94
95 QQuickItem *target() { return m_target; }
96
97 void setTarget(QQuickItem *target);
98
99 void setCursorPosition(int position);
100 void setSelectionStart(int position);
101 void setSelectionEnd(int position);
102
103 int cursorPosition() const { return m_cursorPosition; }
104 int selectionStart() const { return m_selectionStart; }
105 int selectionEnd() const { return m_selectionEnd; }
106
107 QString fontFamily() const;
108
109 QColor textColor() const;
110
111 Qt::Alignment alignment() const;
112 void setAlignment(Qt::Alignment a);
113
114 bool bold() const;
115 bool italic() const;
116 bool underline() const;
117 int fontSize() const;
118
119 QStringList defaultFontSizes() const;
120 QUrl fileUrl() const;
121 QString text() const;
122
123 QString documentTitle() const;
124
125public Q_SLOTS:
126 void setBold(bool arg);
127 void setItalic(bool arg);
128 void setUnderline(bool arg);
129 void setFontSize(int arg);
130 void setTextColor(const QColor &arg);
131 void setFontFamily(const QString &arg);
132
133 void setFileUrl(const QUrl &arg);
134 void setText(const QString &arg);
135 void saveAs(const QUrl &arg, const QString &fileType);
136
137 void setDocumentTitle(QString arg);
138
139Q_SIGNALS:
140 void targetChanged();
141 void cursorPositionChanged();
142 void selectionStartChanged();
143 void selectionEndChanged();
144
145 void fontFamilyChanged();
146 void textColorChanged();
147 void alignmentChanged();
148
149 void boldChanged();
150 void italicChanged();
151 void underlineChanged();
152
153 void fontSizeChanged();
154 void defaultFontSizesChanged();
155
156 void fileUrlChanged();
157
158 void textChanged();
159 void documentTitleChanged();
160 void error(QString message);
161
162private:
163 void reset();
164 QTextCursor textCursor() const;
165 void mergeFormatOnWordOrSelection(const QTextCharFormat &format);
166
167 QQuickItem *m_target;
168 QTextDocument *m_doc;
169
170 int m_cursorPosition;
171 int m_selectionStart;
172 int m_selectionEnd;
173
174 QFont m_font;
175 int m_fontSize;
176 QUrl m_fileUrl;
177 QString m_text;
178 QString m_documentTitle;
179};
180
181#endif
182

source code of qtquickcontrols/examples/quickcontrols/controls/texteditor/src/documenthandler.h