126 lines
3.4 KiB
C
126 lines
3.4 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 demonstration applications of the Qt Toolkit.
|
||
|
|
**
|
||
|
|
** $QT_BEGIN_LICENSE:LGPL$
|
||
|
|
** No Commercial Usage
|
||
|
|
** This file contains pre-release code and may not be distributed.
|
||
|
|
** You may use this file in accordance with the terms and conditions
|
||
|
|
** contained in the Technology Preview License Agreement accompanying
|
||
|
|
** this package.
|
||
|
|
**
|
||
|
|
** 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.
|
||
|
|
**
|
||
|
|
** If you have questions regarding the use of this file, please contact
|
||
|
|
** Nokia at qt-info@nokia.com.
|
||
|
|
**
|
||
|
|
**
|
||
|
|
**
|
||
|
|
**
|
||
|
|
**
|
||
|
|
**
|
||
|
|
**
|
||
|
|
**
|
||
|
|
** $QT_END_LICENSE$
|
||
|
|
**
|
||
|
|
****************************************************************************/
|
||
|
|
|
||
|
|
#ifndef DOCUMENT_H
|
||
|
|
#define DOCUMENT_H
|
||
|
|
|
||
|
|
#include <QWidget>
|
||
|
|
|
||
|
|
QT_FORWARD_DECLARE_CLASS(QUndoStack)
|
||
|
|
QT_FORWARD_DECLARE_CLASS(QTextStream)
|
||
|
|
|
||
|
|
class Shape
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
enum Type { Rectangle, Circle, Triangle };
|
||
|
|
|
||
|
|
Shape(Type type = Rectangle, const QColor &color = Qt::red, const QRect &rect = QRect());
|
||
|
|
|
||
|
|
Type type() const;
|
||
|
|
QString name() const;
|
||
|
|
QRect rect() const;
|
||
|
|
QRect resizeHandle() const;
|
||
|
|
QColor color() const;
|
||
|
|
|
||
|
|
static QString typeToString(Type type);
|
||
|
|
static Type stringToType(const QString &s, bool *ok = 0);
|
||
|
|
|
||
|
|
static const QSize minSize;
|
||
|
|
|
||
|
|
private:
|
||
|
|
Type m_type;
|
||
|
|
QRect m_rect;
|
||
|
|
QColor m_color;
|
||
|
|
QString m_name;
|
||
|
|
|
||
|
|
friend class Document;
|
||
|
|
};
|
||
|
|
|
||
|
|
class Document : public QWidget
|
||
|
|
{
|
||
|
|
Q_OBJECT
|
||
|
|
|
||
|
|
public:
|
||
|
|
Document(QWidget *parent = 0);
|
||
|
|
|
||
|
|
QString addShape(const Shape &shape);
|
||
|
|
void deleteShape(const QString &shapeName);
|
||
|
|
Shape shape(const QString &shapeName) const;
|
||
|
|
QString currentShapeName() const;
|
||
|
|
|
||
|
|
void setShapeRect(const QString &shapeName, const QRect &rect);
|
||
|
|
void setShapeColor(const QString &shapeName, const QColor &color);
|
||
|
|
|
||
|
|
bool load(QTextStream &stream);
|
||
|
|
void save(QTextStream &stream);
|
||
|
|
|
||
|
|
QString fileName() const;
|
||
|
|
void setFileName(const QString &fileName);
|
||
|
|
|
||
|
|
QUndoStack *undoStack() const;
|
||
|
|
|
||
|
|
signals:
|
||
|
|
void currentShapeChanged(const QString &shapeName);
|
||
|
|
|
||
|
|
protected:
|
||
|
|
void paintEvent(QPaintEvent *event);
|
||
|
|
void mousePressEvent(QMouseEvent *event);
|
||
|
|
void mouseReleaseEvent(QMouseEvent *event);
|
||
|
|
void mouseMoveEvent(QMouseEvent *event);
|
||
|
|
|
||
|
|
private:
|
||
|
|
void setCurrentShape(int index);
|
||
|
|
int indexOf(const QString &shapeName) const;
|
||
|
|
int indexAt(const QPoint &pos) const;
|
||
|
|
QString uniqueName(const QString &name) const;
|
||
|
|
|
||
|
|
QList<Shape> m_shapeList;
|
||
|
|
int m_currentIndex;
|
||
|
|
int m_mousePressIndex;
|
||
|
|
QPoint m_mousePressOffset;
|
||
|
|
bool m_resizeHandlePressed;
|
||
|
|
QString m_fileName;
|
||
|
|
|
||
|
|
QUndoStack *m_undoStack;
|
||
|
|
};
|
||
|
|
|
||
|
|
#endif // DOCUMENT_H
|