180 lines
4.7 KiB
C++
180 lines
4.7 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2006-2009 fullmetalcoder <fullmetalcoder@hotmail.fr>
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**
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** This file is part of the Edyuk project <http://edyuk.org>
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**
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** This file may be used under the terms of the GNU General Public License
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** version 3 as published by the Free Software Foundation and appearing in the
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** file GPL.txt included in the packaging of this file.
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**
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** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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**
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****************************************************************************/
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#ifndef _QDOCUMENT_CURSOR_P_H_
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#define _QDOCUMENT_CURSOR_P_H_
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#include "qce-config.h"
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/*!
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\file qdocumentcursor_p.h
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\brief Definition of QDocumentCursorHandle
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*/
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#include "qdocumentcursor.h"
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#include <QStack>
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#if QT_VERSION < 0x040400
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#include <QAtomic>
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#else
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#include <QAtomicInt>
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#endif
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class QPoint;
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class QPolygon;
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class QDocument;
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class QDocumentLine;
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class QDocumentPrivate;
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class QDocumentCommand;
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class QDocumentCommandBlock;
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class QCE_EXPORT QDocumentCursorHandle {
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friend class QDocumentCursor;
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friend class QDocumentPrivate;
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friend class QDocumentCommand;
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public:
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enum Flags { Silent = 1, ColumnMemory = 2, MoveWithinWrapped = 4 };
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QDocument *document() const;
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bool atEnd() const;
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bool atStart() const;
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bool atBlockEnd() const;
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bool atBlockStart() const;
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bool atLineEnd() const;
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bool atLineStart() const;
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bool hasSelection() const;
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bool isSilent() const;
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void setSilent(bool y);
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bool isAutoUpdated() const;
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void setAutoUpdated(bool y);
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QDocumentLine line() const;
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QDocumentLine anchorLine() const;
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int lineNumber() const;
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int columnNumber() const;
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int anchorLineNumber() const;
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int anchorColumnNumber() const;
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int visualColumnNumber() const;
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void setColumnNumber(int c, int m = QDocumentCursor::MoveAnchor);
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QPoint documentPosition() const;
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QPoint anchorDocumentPosition() const;
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QPolygon documentRegion() const;
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int position() const;
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void shift(int offset);
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bool movePosition(int offset, QDocumentCursor::MoveOperation op,
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QDocumentCursor::MoveMode m);
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void insertText(const QString &s, bool keepAnchor = false,
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const QString &sfmtID = {});
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QChar nextChar() const;
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QChar previousChar() const;
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void eraseLine();
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void deleteChar();
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void deletePreviousChar();
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QDocumentCursor selectionStart() const;
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QDocumentCursor selectionEnd() const;
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bool eq(const QDocumentCursorHandle *h);
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bool lt(const QDocumentCursorHandle *h);
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bool gt(const QDocumentCursorHandle *h);
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QString selectedText() const;
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void clearSelection();
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void removeSelectedText(bool keepAnchor = false);
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void replaceSelectedText(const QString &text);
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void select(QDocumentCursor::SelectionType t);
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void setSelectionBoundary(const QDocumentCursor &c);
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bool isWithinSelection(const QDocumentCursor &c) const;
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QDocumentCursor intersect(const QDocumentCursor &c) const;
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void beginBoundary(int &begline, int &begcol) const;
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void endBoundary(int &endline, int &endcol) const;
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void substractBoundaries(int lbeg, int cbeg, int lend, int cend);
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void boundaries(int &begline, int &begcol, int &endline, int &endcol) const;
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void intersectBoundaries(int &lbeg, int &cbeg, int &lend, int &cend) const;
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void intersectBoundaries(QDocumentCursorHandle *h, int &lbeg, int &cbeg,
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int &lend, int &cend) const;
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void beginEditBlock();
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void endEditBlock();
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void moveTo(int line, int column);
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void moveTo(const QDocumentCursor &c);
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void copy(const QDocumentCursorHandle *c);
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void refreshColumnMemory();
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bool hasColumnMemory() const;
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void setColumnMemory(bool y);
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virtual void execute(QDocumentCommand *c);
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inline void ref() { m_ref.ref(); }
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inline void deref() {
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if (m_ref)
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m_ref.deref();
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if (!m_ref)
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delete this;
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}
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inline bool hasFlag(int f) const { return m_flags & f; }
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inline void setFlag(int f) { m_flags |= f; }
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inline void clearFlag(int f) { m_flags &= ~f; }
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protected:
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QDocumentCursorHandle(QDocument *d, int line = 0);
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virtual ~QDocumentCursorHandle();
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QDocumentCursorHandle *clone() const;
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private:
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int m_flags;
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QDocument *m_doc;
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#if QT_VERSION < 0x040400
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QBasicAtomic m_ref;
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#else
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QAtomicInt m_ref;
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#endif
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int m_begOffset, m_endOffset, m_max, m_begLine, m_endLine;
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QStack<QDocumentCommandBlock *> m_blocks;
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};
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Q_DECLARE_TYPEINFO(QDocumentCursorHandle *, Q_PRIMITIVE_TYPE);
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#endif // !_QDOCUMENT_CURSOR_P_H_
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