You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
251 lines
7.0 KiB
251 lines
7.0 KiB
/* This file is part of the KDE libraries
|
|
Copyright (C) 2002 Christian Couder <christian@tdevelop.org>
|
|
Copyright (C) 2001, 2003 Christoph Cullmann <cullmann@kde.org>
|
|
Copyright (C) 2001 Joseph Wenninger <jowenn@kde.org>
|
|
Copyright (C) 1999 Jochen Wilhelmy <digisnap@cs.tu-berlin.de>
|
|
|
|
This library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Library General Public
|
|
License version 2 as published by the Free Software Foundation.
|
|
|
|
This library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Library General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Library General Public License
|
|
along with this library; see the file COPYING.LIB. If not, write to
|
|
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
|
|
Boston, MA 02110-1301, USA.
|
|
*/
|
|
|
|
#ifndef kate_cursor_h
|
|
#define kate_cursor_h
|
|
|
|
#include "../interfaces/document.h"
|
|
#include <kdebug.h>
|
|
|
|
class KateDocument;
|
|
|
|
/**
|
|
Simple cursor class with no document pointer.
|
|
*/
|
|
class KateTextCursor
|
|
{
|
|
public:
|
|
KateTextCursor() : m_line(0), m_col(0) {};
|
|
KateTextCursor(int line, int col) : m_line(line), m_col(col) {};
|
|
virtual ~KateTextCursor () {};
|
|
|
|
friend bool operator==(const KateTextCursor& c1, const KateTextCursor& c2)
|
|
{ return c1.m_line == c2.m_line && c1.m_col == c2.m_col; }
|
|
|
|
friend bool operator!=(const KateTextCursor& c1, const KateTextCursor& c2)
|
|
{ return !(c1 == c2); }
|
|
|
|
friend bool operator>(const KateTextCursor& c1, const KateTextCursor& c2)
|
|
{ return c1.m_line > c2.m_line || (c1.m_line == c2.m_line && c1.m_col > c2.m_col); }
|
|
|
|
friend bool operator>=(const KateTextCursor& c1, const KateTextCursor& c2)
|
|
{ return c1.m_line > c2.m_line || (c1.m_line == c2.m_line && c1.m_col >= c2.m_col); }
|
|
|
|
friend bool operator<(const KateTextCursor& c1, const KateTextCursor& c2)
|
|
{ return !(c1 >= c2); }
|
|
|
|
friend bool operator<=(const KateTextCursor& c1, const KateTextCursor& c2)
|
|
{ return !(c1 > c2); }
|
|
|
|
friend kdbgstream& operator<<(kdbgstream& stream, const KateTextCursor& c) {
|
|
stream << c.m_line << "," << c.m_col;
|
|
return stream;
|
|
}
|
|
|
|
#ifndef Q_WS_WIN //not needed
|
|
friend void tqSwap(KateTextCursor & c1, KateTextCursor & c2) {
|
|
KateTextCursor tmp = c1;
|
|
c1 = c2;
|
|
c2 = tmp;
|
|
}
|
|
#endif
|
|
|
|
inline void pos(int *pline, int *pcol) const {
|
|
if(pline) *pline = m_line;
|
|
if(pcol) *pcol = m_col;
|
|
}
|
|
|
|
inline int line() const { return m_line; };
|
|
inline int col() const { return m_col; };
|
|
|
|
virtual void setLine(int line) { m_line = line; };
|
|
virtual void setCol(int col) { m_col = col; };
|
|
virtual void setPos(const KateTextCursor& pos) { m_line = pos.line(); m_col = pos.col(); };
|
|
virtual void setPos(int line, int col) { m_line = line; m_col = col; };
|
|
|
|
protected:
|
|
int m_line;
|
|
int m_col;
|
|
};
|
|
|
|
/**
|
|
Cursor class with a pointer to its document.
|
|
*/
|
|
class KateDocCursor : public KateTextCursor
|
|
{
|
|
public:
|
|
KateDocCursor(KateDocument *doc);
|
|
KateDocCursor(int line, int col, KateDocument *doc);
|
|
virtual ~KateDocCursor() {};
|
|
|
|
bool validPosition(uint line, uint col);
|
|
bool validPosition();
|
|
|
|
bool gotoNextLine();
|
|
bool gotoPreviousLine();
|
|
bool gotoEndOfNextLine();
|
|
bool gotoEndOfPreviousLine();
|
|
|
|
int nbCharsOnLineAfter();
|
|
bool moveForward(uint nbChar);
|
|
bool moveBackward(uint nbChar);
|
|
|
|
// KTextEditor::Cursor interface
|
|
void position(uint *line, uint *col) const;
|
|
bool setPosition(uint line, uint col);
|
|
bool insertText(const TQString& text);
|
|
bool removeText(uint numberOfCharacters);
|
|
TQChar currentChar() const;
|
|
|
|
uchar currentAttrib() const;
|
|
|
|
/**
|
|
Find the position (line and col) of the next char
|
|
that is not a space. If found KateDocCursor points to the
|
|
found character. Otherwise to a invalid Position such that
|
|
validPosition() returns false.
|
|
@return True if the specified or a following character is not a space
|
|
Otherwise false.
|
|
*/
|
|
bool nextNonSpaceChar();
|
|
|
|
/**
|
|
Find the position (line and col) of the previous char
|
|
that is not a space. If found KateDocCursor points to the
|
|
found character. Otherwise to a invalid Position such that
|
|
validPosition() returns false.
|
|
@return True if the specified or a preceding character is not a space
|
|
Otherwise false.
|
|
*/
|
|
bool previousNonSpaceChar();
|
|
|
|
protected:
|
|
KateDocument *m_doc;
|
|
};
|
|
|
|
class KateRange
|
|
{
|
|
public:
|
|
KateRange () {};
|
|
virtual ~KateRange () {};
|
|
|
|
virtual bool isValid() const = 0;
|
|
virtual KateTextCursor& start() = 0;
|
|
virtual KateTextCursor& end() = 0;
|
|
virtual const KateTextCursor& start() const = 0;
|
|
virtual const KateTextCursor& end() const = 0;
|
|
};
|
|
|
|
class KateTextRange : public KateRange
|
|
{
|
|
public:
|
|
KateTextRange()
|
|
: m_valid(false)
|
|
{
|
|
};
|
|
|
|
KateTextRange(int startline, int startcol, int endline, int endcol)
|
|
: m_start(startline, startcol)
|
|
, m_end(endline, endcol)
|
|
, m_valid(true)
|
|
{
|
|
normalize();
|
|
};
|
|
|
|
KateTextRange(const KateTextCursor& start, const KateTextCursor& end)
|
|
: m_start(start)
|
|
, m_end(end)
|
|
, m_valid(true)
|
|
{
|
|
normalize();
|
|
};
|
|
|
|
virtual ~KateTextRange () {};
|
|
|
|
virtual bool isValid() const { return m_valid; };
|
|
void setValid(bool valid) {
|
|
m_valid = valid;
|
|
if( valid )
|
|
normalize();
|
|
};
|
|
|
|
virtual KateTextCursor& start() { return m_start; };
|
|
virtual KateTextCursor& end() { return m_end; };
|
|
virtual const KateTextCursor& start() const { return m_start; };
|
|
virtual const KateTextCursor& end() const { return m_end; };
|
|
|
|
/* if range is not valid, the result is undefined
|
|
if cursor is before start -1 is returned, if cursor is within range 0 is returned if cursor is after end 1 is returned*/
|
|
inline int cursorInRange(const KateTextCursor &cursor) const {
|
|
return ((cursor<m_start)?(-1):((cursor>m_end)?1:0));
|
|
}
|
|
|
|
inline void normalize() {
|
|
if( m_start > m_end )
|
|
tqSwap(m_start, m_end);
|
|
}
|
|
|
|
protected:
|
|
KateTextCursor m_start, m_end;
|
|
bool m_valid;
|
|
};
|
|
|
|
|
|
class KateBracketRange : public KateTextRange
|
|
{
|
|
public:
|
|
KateBracketRange()
|
|
: KateTextRange()
|
|
, m_minIndent(0)
|
|
{
|
|
};
|
|
|
|
KateBracketRange(int startline, int startcol, int endline, int endcol, int minIndent)
|
|
: KateTextRange(startline, startcol, endline, endcol)
|
|
, m_minIndent(minIndent)
|
|
{
|
|
};
|
|
|
|
KateBracketRange(const KateTextCursor& start, const KateTextCursor& end, int minIndent)
|
|
: KateTextRange(start, end)
|
|
, m_minIndent(minIndent)
|
|
{
|
|
};
|
|
|
|
int getMinIndent() const
|
|
{
|
|
return m_minIndent;
|
|
}
|
|
|
|
void setIndentMin(int m)
|
|
{
|
|
m_minIndent = m;
|
|
}
|
|
|
|
protected:
|
|
int m_minIndent;
|
|
};
|
|
|
|
|
|
#endif
|
|
|
|
// kate: space-indent on; indent-width 2; replace-tabs on;
|