156 lines
4.8 KiB
C++
Executable File
156 lines
4.8 KiB
C++
Executable File
/****************************************************************************
|
|
**
|
|
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
|
|
** All rights reserved.
|
|
** Contact: Nokia Corporation (qt-info@nokia.com)
|
|
**
|
|
** This file is part of the examples of the Qt Toolkit.
|
|
**
|
|
** $QT_BEGIN_LICENSE:LGPL$
|
|
** Commercial Usage
|
|
** Licensees holding valid Qt Commercial licenses may use this file in
|
|
** accordance with the Qt Commercial License Agreement provided with the
|
|
** Software or, alternatively, in accordance with the terms contained in
|
|
** a written agreement between you and Nokia.
|
|
**
|
|
** GNU Lesser General Public License Usage
|
|
** Alternatively, this file may be used under the terms of the GNU Lesser
|
|
** General Public License version 2.1 as published by the Free Software
|
|
** Foundation and appearing in the file LICENSE.LGPL included in the
|
|
** packaging of this file. Please review the following information to
|
|
** ensure the GNU Lesser General Public License version 2.1 requirements
|
|
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
|
|
**
|
|
** In addition, as a special exception, Nokia gives you certain additional
|
|
** rights. These rights are described in the Nokia Qt LGPL Exception
|
|
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
|
|
**
|
|
** GNU General Public License Usage
|
|
** Alternatively, this file may be used under the terms of the GNU
|
|
** General Public License version 3.0 as published by the Free Software
|
|
** Foundation and appearing in the file LICENSE.GPL included in the
|
|
** packaging of this file. Please review the following information to
|
|
** ensure the GNU General Public License version 3.0 requirements will be
|
|
** met: http://www.gnu.org/copyleft/gpl.html.
|
|
**
|
|
** If you have questions regarding the use of this file, please contact
|
|
** Nokia at qt-info@nokia.com.
|
|
** $QT_END_LICENSE$
|
|
**
|
|
****************************************************************************/
|
|
|
|
#ifndef DIAGRAMSCENE_H
|
|
#define DIAGRAMSCENE_H
|
|
|
|
#include <QGraphicsScene>
|
|
#include <QDesktopServices>
|
|
#include <QtXml>
|
|
#include "diagramitem.h"
|
|
#include "diagramtextitem.h"
|
|
#include "mainwindow.h"
|
|
|
|
class MainWindow;
|
|
class DiagramTextItem;
|
|
|
|
QT_BEGIN_NAMESPACE
|
|
class QGraphicsSceneMouseEvent;
|
|
class QMenu;
|
|
class QPointF;
|
|
class QGraphicsLineItem;
|
|
class QFont;
|
|
class QGraphicsTextItem;
|
|
class QColor;
|
|
QT_END_NAMESPACE
|
|
|
|
class DiagramScene : public QGraphicsScene
|
|
{
|
|
Q_OBJECT
|
|
|
|
public:
|
|
enum Mode { InsertItem, InsertLine, InsertText, MoveItem };
|
|
|
|
DiagramScene(QMenu *itemMenu, MainWindow *ownerWindow,
|
|
QObject *parent = 0);
|
|
|
|
QFont font() const
|
|
{ return myFont; }
|
|
QColor textColor() const
|
|
{ return myTextColor; }
|
|
QColor itemColor() const
|
|
{ return myItemColor; }
|
|
QColor lineColor() const
|
|
{ return myLineColor; }
|
|
void setLineColor(const QColor &color);
|
|
void setTextColor(const QColor &color);
|
|
void setItemColor(const QColor &color);
|
|
void setFont(QFont font);
|
|
void setDawGrid(bool value) {drawGrid=value;}
|
|
|
|
QDomDocument toXmlFormat();
|
|
int fromXmlFormat(QDomDocument xmlDocument);
|
|
void cleanScene();
|
|
|
|
QHash<int , DiagramItem *> getDiagramsID ()
|
|
{ return DiagramsID;}
|
|
|
|
QStringList getLibList(){return libraryList;}
|
|
void setLibList(QStringList list)
|
|
{libraryList=list;}
|
|
|
|
void setDomElementsByName(QHash<QString , QDomElement*> *hash)
|
|
{domElementsByName=hash;}
|
|
|
|
void setButtonIdByName(QHash<QString , int> hash)
|
|
{buttonIdByName=hash;}
|
|
|
|
int addDiagramItem(DiagramItem * item);
|
|
void removeDiagramItem(DiagramItem * item);
|
|
|
|
MainWindow *myOwnerWindow;
|
|
|
|
void saveUndoState();
|
|
void saveUndo();
|
|
void removeLastUndo();
|
|
void clearRedo();
|
|
|
|
public slots:
|
|
void setMode(Mode mode);
|
|
void setItemType(QString type);
|
|
|
|
signals:
|
|
void itemInserted(DiagramItem *item);
|
|
void textInserted(QGraphicsTextItem *item);
|
|
void itemSelected(QGraphicsItem *item);
|
|
|
|
protected:
|
|
void mousePressEvent(QGraphicsSceneMouseEvent *mouseEvent);
|
|
void mouseMoveEvent(QGraphicsSceneMouseEvent *mouseEvent);
|
|
void mouseReleaseEvent(QGraphicsSceneMouseEvent *mouseEvent);
|
|
void mouseDoubleClickEvent(QGraphicsSceneMouseEvent *mouseEvent);
|
|
void drawBackground(QPainter *p, const QRectF &r);
|
|
|
|
private:
|
|
bool isItemChange(int type);
|
|
void doSnapToGrid(QGraphicsSceneMouseEvent *mouseEvent);
|
|
QString myItemType;
|
|
QMenu *myItemMenu;
|
|
Mode myMode;
|
|
bool leftButtonDown;
|
|
QPointF startPoint;
|
|
QGraphicsLineItem *line;
|
|
QFont myFont;
|
|
DiagramTextItem *textItem;
|
|
QColor myTextColor;
|
|
QColor myItemColor;
|
|
QColor myLineColor;
|
|
bool snapToGrid;
|
|
bool drawGrid;
|
|
short int myGrid;
|
|
QStringList libraryList;
|
|
QHash<QString , QDomElement*> *domElementsByName;
|
|
QHash<QString , int> buttonIdByName;
|
|
QHash<int , DiagramItem *> DiagramsID;
|
|
};
|
|
|
|
#endif
|