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/****************************************************************************
**
** Copyright (C) 2006-2009 fullmetalcoder <fullmetalcoder@hotmail.fr>
**
** This file is part of the Edyuk project <http://edyuk.org>
**
** This file may be used under the terms of the GNU General Public License
** version 3 as published by the Free Software Foundation and appearing in the
** file GPL.txt included in the packaging of this file.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
****************************************************************************/
#ifndef _QDOCUMENT_CURSOR_H_
#define _QDOCUMENT_CURSOR_H_
#include "qce-config.h"
#include "modifiedQObject.h"
#include <QMetaType>
#include <QPoint>
/*!
\file qdocumentcursor.h
\brief Definition of the QDocumentCursor class
*/
class QChar;
class QPoint;
class QString;
class QPolygon;
class QString;
class QChar;
class QDocument;
class QDocumentLine;
struct QDocumentSelection;
class QDocumentCursorHandle;
class QCE_EXPORT QDocumentCursor : public QObject
{
Q_OBJECT
Q_ENUMS(MoveOperation)
Q_ENUMS(MoveMode MoveFlag)
Q_ENUMS(SelectionType)
public:
enum MoveFlag
{
MoveAnchor = 0,
KeepAnchor = 1,
ThroughWrap = 2,
ThroughFolding = 4
};
Q_DECLARE_FLAGS(MoveMode, MoveFlag);
enum MoveOperation
{
NoMove,
Up,
Down,
Left,
PreviousCharacter,
Right,
NextCharacter,
Start,
StartOfLine,
StartOfBlock = StartOfLine,
StartOfWord,
StartOfWordOrCommand,
PreviousBlock,
PreviousLine = PreviousBlock,
PreviousWord,
WordLeft,
WordRight,
End,
EndOfLine,
EndOfBlock = EndOfLine,
EndOfWord,
EndOfWordOrCommand,
NextWord,
NextBlock,
NextLine = NextBlock
};
enum SelectionType
{
WordUnderCursor,
WordOrCommandUnderCursor,
LineUnderCursor
};
explicit QDocumentCursor(QDocument *doc);
QDocumentCursor(const QDocumentCursor& cursor);
QDocumentCursor(const QDocumentCursor& cursor, const bool cloneAutoUpdateFlag);
QDocumentCursor(QDocument *doc, int line, int column = 0, int lineTo = -1, int columnTo = -1);
//QDocumentCursor(const QDocumentLine& line, int column = 0);
QDocumentCursor(QDocumentCursorHandle* handle = 0);
QDocumentCursor(const QDocumentCursor& from, const QDocumentCursor& to);
~QDocumentCursor();
QDocumentCursor clone(bool cloneAutoUpdatedFlag) const;
QDocumentCursor& operator = (const QDocumentCursor& c);
bool operator == (const QDocumentCursor& c) const;
bool operator != (const QDocumentCursor& c) const;
bool operator < (const QDocumentCursor& c) const;
bool operator > (const QDocumentCursor& c) const;
bool operator <= (const QDocumentCursor& c) const;
bool operator >= (const QDocumentCursor& c) const;
Q_INVOKABLE bool beginBoundaryLarger (const QDocumentCursor& c) const;
Q_INVOKABLE bool endBoundaryLarger (const QDocumentCursor& c) const;
Q_INVOKABLE bool equalBoundaries(const QDocumentCursor& c) const;
Q_INVOKABLE bool equal(const QDocumentCursor& c) const;
void beginBoundary(int& begline, int& begcol) const;
void endBoundary(int& endline, int& endcol) const;
void boundaries(int& begline, int& begcol, int& endline, int& endcol) const;
Q_INVOKABLE bool isNull() const;
Q_INVOKABLE bool isValid() const;
Q_INVOKABLE bool atEnd() const;
Q_INVOKABLE bool atStart() const;
Q_INVOKABLE bool atBlockEnd() const;
Q_INVOKABLE bool atBlockStart() const;
Q_INVOKABLE bool atLineEnd() const;
Q_INVOKABLE bool atLineStart() const;
Q_INVOKABLE bool hasSelection() const;
Q_INVOKABLE bool isForwardSelection() const;
Q_INVOKABLE bool isSilent() const;
void setSilent(bool y);
Q_INVOKABLE bool isAutoUpdated() const;
void setAutoUpdated(bool y);
Q_INVOKABLE bool isAutoErasable() const;
void setAutoErasable(bool y);
int position() const;
Q_INVOKABLE int lineNumber() const;
Q_INVOKABLE int columnNumber() const;
Q_INVOKABLE int anchorLineNumber() const;
Q_INVOKABLE int anchorColumnNumber() const;
Q_INVOKABLE int startLineNumber() const;
Q_INVOKABLE int startColumnNumber() const;
Q_INVOKABLE int endLineNumber() const;
Q_INVOKABLE int endColumnNumber() const;
Q_INVOKABLE int visualColumnNumber() const;
Q_INVOKABLE void setLineNumber(int c, MoveMode m = MoveAnchor);
Q_INVOKABLE void setColumnNumber(int c, MoveMode m = MoveAnchor);
Q_INVOKABLE void setAnchorLineNumber(int c) const;
Q_INVOKABLE void setAnchorColumnNumber(int c) const;
Q_INVOKABLE int wrappedLineOffset() const;
Q_INVOKABLE int anchorWrappedLineOffset() const;
Q_INVOKABLE QPoint documentPosition() const;
Q_INVOKABLE QPoint anchorDocumentPosition() const;
QPolygon documentRegion() const;
QDocumentLine line() const;
QDocumentLine anchorLine() const;
Q_INVOKABLE void shift(int offset);
Q_INVOKABLE void setPosition(int pos, MoveMode m = MoveAnchor);
Q_INVOKABLE bool movePosition(int offset, MoveOperation op = NextCharacter, MoveMode m = MoveAnchor);
Q_INVOKABLE void moveTo(int line, int column, MoveMode m = MoveAnchor);
void moveTo(const QDocumentCursor &c, MoveMode m = MoveAnchor);
//void moveTo(const QDocumentLine &l, int column, MoveMode m = MoveAnchor);
Q_INVOKABLE void eraseLine();
Q_INVOKABLE void insertLine(bool keepAnchor = false);
Q_INVOKABLE void insertText(const QString& s, bool keepAnchor = false);
QDocumentCursor selectionStart() const;
QDocumentCursor selectionEnd() const;
QDocumentCursor anchorCursor() const;
Q_INVOKABLE QString selectedText() const;
Q_INVOKABLE void clearSelection();
Q_INVOKABLE void flipSelection();
Q_INVOKABLE void removeSelectedText();
Q_INVOKABLE void replaceSelectedText(const QString& text);
Q_INVOKABLE void select(SelectionType t);
Q_INVOKABLE void expandSelect(SelectionType t);
Q_INVOKABLE void setSelectionBoundary(const QDocumentCursor& c);
Q_INVOKABLE void select(int line, int column, int lineTo = -1, int columnTo = -1);
Q_INVOKABLE void selectColumns(int column, int columnTo = -1);
Q_INVOKABLE bool isWithinSelection(const QDocumentCursor& c) const;
Q_INVOKABLE QDocumentCursor intersect(const QDocumentCursor& c) const;
void intersectBoundaries(int& lbeg, int& cbeg, int& lend, int& cend) const;
void getMatchingPair(QDocumentCursor& from, QDocumentCursor& to, bool maximal = true) const;
Q_INVOKABLE QChar nextChar() const;
Q_INVOKABLE QChar previousChar() const;
Q_INVOKABLE void deleteChar();
Q_INVOKABLE void deletePreviousChar();
Q_INVOKABLE void beginEditBlock();
Q_INVOKABLE void endEditBlock();
void refreshColumnMemory();
bool hasColumnMemory() const;
void setColumnMemory(bool y);
QDocumentSelection selection() const;
bool isRTL() const;
QDocument* document() const;
inline QDocumentCursorHandle* handle() const
{ return m_handle; }
static void sort(QDocumentCursor& from, QDocumentCursor& to);
private:
QDocumentCursorHandle *m_handle;
};
Q_DECLARE_METATYPE(QDocumentCursor)
#endif
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