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329 lines
9.6 KiB
329 lines
9.6 KiB
/****************************************************************************
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**
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the QtGui module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial Usage
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** Licensees holding valid Qt Commercial licenses may use this file in
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** accordance with the Qt Commercial License Agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Nokia.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef QTEXTOBJECT_H
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#define QTEXTOBJECT_H
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#include <QtCore/qobject.h>
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#include <QtGui/qtextformat.h>
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QT_BEGIN_HEADER
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QT_BEGIN_NAMESPACE
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QT_MODULE(Gui)
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class QTextObjectPrivate;
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class QTextDocument;
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class QTextDocumentPrivate;
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class QTextCursor;
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class QTextBlock;
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class QTextFragment;
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class QTextLayout;
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class QTextList;
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class Q_GUI_EXPORT QTextObject : public QObject
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{
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Q_OBJECT
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protected:
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explicit QTextObject(QTextDocument *doc);
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~QTextObject();
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void setFormat(const QTextFormat &format);
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public:
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QTextFormat format() const;
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int formatIndex() const;
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QTextDocument *document() const;
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int objectIndex() const;
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QTextDocumentPrivate *docHandle() const;
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protected:
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QTextObject(QTextObjectPrivate &p, QTextDocument *doc);
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private:
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Q_DECLARE_PRIVATE(QTextObject)
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Q_DISABLE_COPY(QTextObject)
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friend class QTextDocumentPrivate;
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};
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class QTextBlockGroupPrivate;
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class Q_GUI_EXPORT QTextBlockGroup : public QTextObject
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{
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Q_OBJECT
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protected:
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explicit QTextBlockGroup(QTextDocument *doc);
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~QTextBlockGroup();
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virtual void blockInserted(const QTextBlock &block);
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virtual void blockRemoved(const QTextBlock &block);
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virtual void blockFormatChanged(const QTextBlock &block);
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QList<QTextBlock> blockList() const;
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protected:
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QTextBlockGroup(QTextBlockGroupPrivate &p, QTextDocument *doc);
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private:
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Q_DECLARE_PRIVATE(QTextBlockGroup)
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Q_DISABLE_COPY(QTextBlockGroup)
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friend class QTextDocumentPrivate;
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};
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class Q_GUI_EXPORT QTextFrameLayoutData {
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public:
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virtual ~QTextFrameLayoutData();
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};
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class QTextFramePrivate;
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class Q_GUI_EXPORT QTextFrame : public QTextObject
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{
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Q_OBJECT
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public:
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explicit QTextFrame(QTextDocument *doc);
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~QTextFrame();
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inline void setFrameFormat(const QTextFrameFormat &format);
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QTextFrameFormat frameFormat() const { return QTextObject::format().toFrameFormat(); }
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QTextCursor firstCursorPosition() const;
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QTextCursor lastCursorPosition() const;
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int firstPosition() const;
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int lastPosition() const;
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QTextFrameLayoutData *layoutData() const;
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void setLayoutData(QTextFrameLayoutData *data);
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QList<QTextFrame *> childFrames() const;
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QTextFrame *parentFrame() const;
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class Q_GUI_EXPORT iterator {
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QTextFrame *f;
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int b;
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int e;
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QTextFrame *cf;
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int cb;
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friend class QTextFrame;
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friend class QTextTableCell;
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friend class QTextDocumentLayoutPrivate;
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iterator(QTextFrame *frame, int block, int begin, int end);
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public:
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iterator();
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iterator(const iterator &o);
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iterator &operator=(const iterator &o);
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QTextFrame *parentFrame() const { return f; }
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QTextFrame *currentFrame() const;
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QTextBlock currentBlock() const;
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bool atEnd() const { return !cf && cb == e; }
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inline bool operator==(const iterator &o) const { return f == o.f && cf == o.cf && cb == o.cb; }
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inline bool operator!=(const iterator &o) const { return f != o.f || cf != o.cf || cb != o.cb; }
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iterator &operator++();
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inline iterator operator++(int) { iterator tmp = *this; operator++(); return tmp; }
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iterator &operator--();
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inline iterator operator--(int) { iterator tmp = *this; operator--(); return tmp; }
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};
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friend class iterator;
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// more Qt
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typedef iterator Iterator;
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iterator begin() const;
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iterator end() const;
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protected:
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QTextFrame(QTextFramePrivate &p, QTextDocument *doc);
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private:
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friend class QTextDocumentPrivate;
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Q_DECLARE_PRIVATE(QTextFrame)
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Q_DISABLE_COPY(QTextFrame)
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};
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Q_DECLARE_TYPEINFO(QTextFrame::iterator, Q_MOVABLE_TYPE);
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inline void QTextFrame::setFrameFormat(const QTextFrameFormat &aformat)
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{ QTextObject::setFormat(aformat); }
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class Q_GUI_EXPORT QTextBlockUserData {
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public:
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virtual ~QTextBlockUserData();
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};
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class Q_GUI_EXPORT QTextBlock
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{
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friend class QSyntaxHighlighter;
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public:
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inline QTextBlock(QTextDocumentPrivate *priv, int b) : p(priv), n(b) {}
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inline QTextBlock() : p(0), n(0) {}
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inline QTextBlock(const QTextBlock &o) : p(o.p), n(o.n) {}
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inline QTextBlock &operator=(const QTextBlock &o) { p = o.p; n = o.n; return *this; }
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inline bool isValid() const { return p != 0 && n != 0; }
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inline bool operator==(const QTextBlock &o) const { return p == o.p && n == o.n; }
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inline bool operator!=(const QTextBlock &o) const { return p != o.p || n != o.n; }
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inline bool operator<(const QTextBlock &o) const { return position() < o.position(); }
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int position() const;
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int length() const;
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bool contains(int position) const;
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QTextLayout *layout() const;
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void clearLayout();
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QTextBlockFormat blockFormat() const;
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int blockFormatIndex() const;
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QTextCharFormat charFormat() const;
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int charFormatIndex() const;
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QString text() const;
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const QTextDocument *document() const;
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QTextList *textList() const;
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QTextBlockUserData *userData() const;
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void setUserData(QTextBlockUserData *data);
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int userState() const;
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void setUserState(int state);
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int revision() const;
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void setRevision(int rev);
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bool isVisible() const;
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void setVisible(bool visible);
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int blockNumber() const;
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int firstLineNumber() const;
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void setLineCount(int count);
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int lineCount() const;
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class Q_GUI_EXPORT iterator {
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const QTextDocumentPrivate *p;
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int b;
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int e;
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int n;
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friend class QTextBlock;
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iterator(const QTextDocumentPrivate *priv, int begin, int end, int f) : p(priv), b(begin), e(end), n(f) {}
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public:
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iterator() : p(0), b(0), e(0), n(0) {}
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iterator(const iterator &o) : p(o.p), b(o.b), e(o.e), n(o.n) {}
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QTextFragment fragment() const;
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bool atEnd() const { return n == e; }
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inline bool operator==(const iterator &o) const { return p == o.p && n == o.n; }
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inline bool operator!=(const iterator &o) const { return p != o.p || n != o.n; }
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iterator &operator++();
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inline iterator operator++(int) { iterator tmp = *this; operator++(); return tmp; }
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iterator &operator--();
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inline iterator operator--(int) { iterator tmp = *this; operator--(); return tmp; }
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};
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// more Qt
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typedef iterator Iterator;
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iterator begin() const;
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iterator end() const;
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QTextBlock next() const;
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QTextBlock previous() const;
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inline QTextDocumentPrivate *docHandle() const { return p; }
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inline int fragmentIndex() const { return n; }
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private:
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QTextDocumentPrivate *p;
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int n;
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friend class QTextDocumentPrivate;
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friend class QTextLayout;
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};
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Q_DECLARE_TYPEINFO(QTextBlock, Q_MOVABLE_TYPE);
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Q_DECLARE_TYPEINFO(QTextBlock::iterator, Q_MOVABLE_TYPE);
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class Q_GUI_EXPORT QTextFragment
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{
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public:
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inline QTextFragment(const QTextDocumentPrivate *priv, int f, int fe) : p(priv), n(f), ne(fe) {}
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inline QTextFragment() : p(0), n(0), ne(0) {}
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inline QTextFragment(const QTextFragment &o) : p(o.p), n(o.n), ne(o.ne) {}
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inline QTextFragment &operator=(const QTextFragment &o) { p = o.p; n = o.n; ne = o.ne; return *this; }
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inline bool isValid() const { return p && n; }
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inline bool operator==(const QTextFragment &o) const { return p == o.p && n == o.n; }
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inline bool operator!=(const QTextFragment &o) const { return p != o.p || n != o.n; }
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inline bool operator<(const QTextFragment &o) const { return position() < o.position(); }
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int position() const;
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int length() const;
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bool contains(int position) const;
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QTextCharFormat charFormat() const;
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int charFormatIndex() const;
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QString text() const;
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private:
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const QTextDocumentPrivate *p;
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int n;
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int ne;
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};
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Q_DECLARE_TYPEINFO(QTextFragment, Q_MOVABLE_TYPE);
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QT_END_NAMESPACE
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QT_END_HEADER
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#endif // QTEXTOBJECT_H
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