38be0d1383
This is the beginning of revision history for this module. If you want to look at revision history older than this, please refer to the Qt Git wiki for how to use Git history grafting. At the time of writing, this wiki is located here: http://qt.gitorious.org/qt/pages/GitIntroductionWithQt If you have already performed the grafting and you don't see any history beyond this commit, try running "git log" with the "--follow" argument. Branched from the monolithic repo, Qt master branch, at commit 896db169ea224deb96c59ce8af800d019de63f12
126 lines
3.4 KiB
C++
126 lines
3.4 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the demonstration applications of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** No Commercial Usage
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** This file contains pre-release code and may not be distributed.
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** You may use this file in accordance with the terms and conditions
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** contained in the Technology Preview License Agreement accompanying
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** this package.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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**
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**
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**
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef DOCUMENT_H
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#define DOCUMENT_H
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#include <QWidget>
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QT_FORWARD_DECLARE_CLASS(QUndoStack)
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QT_FORWARD_DECLARE_CLASS(QTextStream)
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class Shape
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{
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public:
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enum Type { Rectangle, Circle, Triangle };
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Shape(Type type = Rectangle, const QColor &color = Qt::red, const QRect &rect = QRect());
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Type type() const;
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QString name() const;
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QRect rect() const;
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QRect resizeHandle() const;
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QColor color() const;
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static QString typeToString(Type type);
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static Type stringToType(const QString &s, bool *ok = 0);
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static const QSize minSize;
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private:
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Type m_type;
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QRect m_rect;
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QColor m_color;
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QString m_name;
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friend class Document;
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};
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class Document : public QWidget
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{
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Q_OBJECT
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public:
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Document(QWidget *parent = 0);
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QString addShape(const Shape &shape);
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void deleteShape(const QString &shapeName);
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Shape shape(const QString &shapeName) const;
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QString currentShapeName() const;
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void setShapeRect(const QString &shapeName, const QRect &rect);
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void setShapeColor(const QString &shapeName, const QColor &color);
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bool load(QTextStream &stream);
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void save(QTextStream &stream);
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QString fileName() const;
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void setFileName(const QString &fileName);
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QUndoStack *undoStack() const;
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signals:
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void currentShapeChanged(const QString &shapeName);
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protected:
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void paintEvent(QPaintEvent *event);
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void mousePressEvent(QMouseEvent *event);
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void mouseReleaseEvent(QMouseEvent *event);
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void mouseMoveEvent(QMouseEvent *event);
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private:
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void setCurrentShape(int index);
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int indexOf(const QString &shapeName) const;
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int indexAt(const QPoint &pos) const;
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QString uniqueName(const QString &name) const;
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QList<Shape> m_shapeList;
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int m_currentIndex;
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int m_mousePressIndex;
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QPoint m_mousePressOffset;
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bool m_resizeHandlePressed;
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QString m_fileName;
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QUndoStack *m_undoStack;
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};
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#endif // DOCUMENT_H
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