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/***************************************************************************
* Copyright (C) 2001 by Bernd Gehrmann *
* [email protected] *
* *
* 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. *
* *
***************************************************************************/
#ifndef _DIGRAPHVIEW_H_
#define _DIGRAPHVIEW_H_
#include <qptrlist.h>
#include <qscrollview.h>
#include <qstringlist.h>
#include <qimage.h>
class DigraphNode;
class DigraphEdge;
class DigraphView : public QScrollView
{
Q_OBJECT
public:
DigraphView(QWidget *parent, const char *name);
~DigraphView();
void addEdge(const QString &name1, const QString &name2);
void process(const QString& file = "", const QString& ext = "");
void clear();
void setSelected(const QString &name);
void ensureVisible(const QString &name);
signals:
void selected(const QString &name);
protected:
virtual void drawContents(QPainter* p, int clipx, int clipy, int clipw, int cliph);
virtual void contentsMousePressEvent(QMouseEvent *e);
virtual QSize sizeHint() const;
private:
int toXPixel(double x);
int toYPixel(double x);
void setRenderedExtent(double w, double h);
void addRenderedNode(const QString &name,
double x, double y, double w, double h);
void addRenderedEdge(const QString &name1, const QString &name2,
QMemArray<double> coords);
static QStringList splitLine(QString str);
void parseDotResults(const QStringList &list);
double xscale, yscale;
int width, height;
QStringList inputs;
QPtrList<DigraphNode> nodes;
QPtrList<DigraphEdge> edges;
DigraphNode *selNode;
};
#endif
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