113 lines
3.7 KiB
C
113 lines
3.7 KiB
C
|
/****************************************************************************
|
||
|
|
**
|
||
|
|
** Copyright (C) 2011 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.
|
||
|
|
**
|
||
|
|
** $QT_BEGIN_LICENSE:BSD$
|
||
|
|
** You may use this file under the terms of the BSD license as follows:
|
||
|
|
**
|
||
|
|
** "Redistribution and use in source and binary forms, with or without
|
||
|
|
** modification, are permitted provided that the following conditions are
|
||
|
|
** met:
|
||
|
|
** * Redistributions of source code must retain the above copyright
|
||
|
|
** notice, this list of conditions and the following disclaimer.
|
||
|
|
** * Redistributions in binary form must reproduce the above copyright
|
||
|
|
** notice, this list of conditions and the following disclaimer in
|
||
|
|
** the documentation and/or other materials provided with the
|
||
|
|
** distribution.
|
||
|
|
** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
|
||
|
|
** the names of its contributors may be used to endorse or promote
|
||
|
|
** products derived from this software without specific prior written
|
||
|
|
** permission.
|
||
|
|
**
|
||
|
|
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||
|
|
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||
|
|
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
||
|
|
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
||
|
|
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
||
|
|
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
||
|
|
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
||
|
|
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
||
|
|
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||
|
|
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
||
|
|
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
|
||
|
|
** $QT_END_LICENSE$
|
||
|
|
**
|
||
|
|
****************************************************************************/
|
||
|
|
|
||
|
|
#ifndef DIAGRAMSCENE_H
|
||
|
|
#define DIAGRAMSCENE_H
|
||
|
|
|
||
|
|
#include <QGraphicsScene>
|
||
|
|
#include "diagramitem.h"
|
||
|
|
#include "diagramtextitem.h"
|
||
|
|
|
||
|
|
QT_BEGIN_NAMESPACE
|
||
|
|
class QGraphicsSceneMouseEvent;
|
||
|
|
class QMenu;
|
||
|
|
class QPointF;
|
||
|
|
class QGraphicsLineItem;
|
||
|
|
class QFont;
|
||
|
|
class QGraphicsTextItem;
|
||
|
|
class QColor;
|
||
|
|
QT_END_NAMESPACE
|
||
|
|
|
||
|
|
//! [0]
|
||
|
|
class DiagramScene : public QGraphicsScene
|
||
|
|
{
|
||
|
|
Q_OBJECT
|
||
|
|
|
||
|
|
public:
|
||
|
|
enum Mode { InsertItem, InsertLine, InsertText, MoveItem };
|
||
|
|
|
||
|
|
DiagramScene(QMenu *itemMenu, 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(const QFont &font);
|
||
|
|
|
||
|
|
public slots:
|
||
|
|
void setMode(Mode mode);
|
||
|
|
void setItemType(DiagramItem::DiagramType type);
|
||
|
|
void editorLostFocus(DiagramTextItem *item);
|
||
|
|
|
||
|
|
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);
|
||
|
|
|
||
|
|
private:
|
||
|
|
bool isItemChange(int type);
|
||
|
|
|
||
|
|
DiagramItem::DiagramType myItemType;
|
||
|
|
QMenu *myItemMenu;
|
||
|
|
Mode myMode;
|
||
|
|
bool leftButtonDown;
|
||
|
|
QPointF startPoint;
|
||
|
|
QGraphicsLineItem *line;
|
||
|
|
QFont myFont;
|
||
|
|
DiagramTextItem *textItem;
|
||
|
|
QColor myTextColor;
|
||
|
|
QColor myItemColor;
|
||
|
|
QColor myLineColor;
|
||
|
|
};
|
||
|
|
//! [0]
|
||
|
|
|
||
|
|
#endif
|