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/*
* Copyright (C) 1999-2002 Bernd Gehrmann
* bernd@mail.berlios.de
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef DIFFVIEW_H
#define DIFFVIEW_H
#include "qttableview.h"
#include <QList>
class KConfig;
class DiffViewItem;
class DiffView : public QtTableView
{
Q_OBJECT
public:
enum DiffType { Change, Insert, Delete, Neutral, Unchanged, Separator };
DiffView( KConfig& cfg, bool withlinenos, bool withmarker,
QWidget *parent=0, const char *name=0 );
~DiffView();
void setPartner(DiffView *other);
void up()
{ setTopCell(topCell()-1); }
void down()
{ setTopCell(topCell()+1); }
void next()
{ setTopCell(topCell()+viewHeight()/cellHeight()); }
void prior()
{ setTopCell(topCell()-viewHeight()/cellHeight()); }
void addLine(const QString &line, DiffType type, int no=-1);
QString stringAtLine(int lineno);
void setCenterLine(int lineno);
void setInverted(int lineno, bool inverted);
int count();
void removeAtOffset(int offset);
void insertAtOffset(const QString &line, DiffType type, int offset);
void setCenterOffset(int offset);
QString stringAtOffset(int offset);
QByteArray compressedContent();
virtual void setFont(const QFont &font);
virtual int cellWidth(int col);
virtual QSize sizeHint() const;
virtual void paintCell(QPainter *p, int row, int col);
const QScrollBar *scrollBar() const
{ return verticalScrollBar(); }
protected Q_SLOTS:
void vertPositionChanged(int val);
void horzPositionChanged(int val);
private Q_SLOTS:
void configChanged();
private:
int findLine(int lineno);
QList<DiffViewItem *> items;
bool linenos;
bool marker;
int textwidth;
DiffView *partner;
static const int BORDER;
QColor diffChangeColor;
QColor diffInsertColor;
QColor diffDeleteColor;
int m_tabWidth;
KConfig& partConfig;
};
class DiffZoomWidget : public QFrame
{
Q_OBJECT
public:
explicit DiffZoomWidget(QWidget *parent=0);
~DiffZoomWidget();
void setDiffView(DiffView *view);
QSize sizeHint() const;
protected:
void paintEvent(QPaintEvent *);
bool eventFilter(QObject *, QEvent *e);
private:
DiffView *diffview;
QColor diffChangeColor;
QColor diffInsertColor;
QColor diffDeleteColor;
};
#endif
// Local Variables:
// c-basic-offset: 4
// End:
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