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/* This file is part of the KDE project
Copyright (C) 2003 - 2004 Dag Andersen <[email protected]>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation;
version 2 of the License.
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 KPTPERTCANVAS_H
#define KPTPERTCANVAS_H
#include "kptnode.h"
#include "kptproject.h"
#include <qcanvas.h>
#include <qmemarray.h>
#include <qptrdict.h>
class QTimer;
class QPainter;
class QPoint;
class QSize;
namespace KPlato
{
class PertNodeItem;
class PertCanvas : public QCanvasView
{
Q_OBJECT
public:
PertCanvas( QWidget *parent );
virtual ~PertCanvas();
void draw(Project& project);
void clear();
QSize canvasSize();
PertNodeItem *selectedItem();
int verticalGap() { return m_verticalGap; }
int horizontalGap() { return m_horizontalGap; }
QSize itemSize() { return m_itemSize; }
void setColumn(int row, int col) { m_rows.at(row)[col] = true; }
void mapNode(PertNodeItem *item);
void mapChildNode(PertNodeItem *parentItem, PertNodeItem *childItem, Relation::Type type);
Node *selectedNode();
protected:
void drawRelations();
void createChildItems(PertNodeItem *node);
PertNodeItem *createNodeItem(Node *node);
void contentsMousePressEvent ( QMouseEvent * e );
void contentsMouseReleaseEvent ( QMouseEvent * e );
signals:
void rightButtonPressed(Node *node, const QPoint & point);
void updateView(bool calculate);
void addRelation(Node *par, Node *child);
void modifyRelation(Relation *rel);
private:
QCanvas *m_canvas;
QTimer *m_scrollTimer;
bool m_mousePressed;
bool m_printing;
int m_verticalGap;
int m_horizontalGap;
QSize m_itemSize;
QPtrDict<PertNodeItem> m_nodes;
QPtrList<Relation> m_relations;
QPtrList<QMemArray<bool> > m_rows;
#ifndef NDEBUG
void printDebug( int );
#endif
};
} //KPlato namespace
#endif
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