canvas_variant/mainwindow.h

Go to the documentation of this 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 a Qt Solutions component.
**
** 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."
**
****************************************************************************/

#ifndef MAINWINDOW_H
#define MAINWINDOW_H

#include <QtGui/QMainWindow>
#include <QtCore/QMap>
#include "qtcanvas.h"

class QtVariantProperty;
class QtProperty;

class QtBrowserIndex;

class CanvasView : public QtCanvasView {
    Q_OBJECT
public:
    CanvasView(QWidget* parent = 0)
        : QtCanvasView(parent), moving(0) { }
    CanvasView(QtCanvas* canvas, QWidget* parent = 0)
        : QtCanvasView(canvas, parent), moving(0) { }
signals:
    void itemClicked(QtCanvasItem* item);
    void itemMoved(QtCanvasItem* item);
protected:
    void contentsMousePressEvent(QMouseEvent* event);
    void contentsMouseDoubleClickEvent(QMouseEvent* event);
    void contentsMouseMoveEvent(QMouseEvent* event);
private:
    void handleMouseClickEvent(QMouseEvent* event);
    QPoint moving_start;
    QtCanvasItem* moving;
};

class MainWindow : public QMainWindow {
    Q_OBJECT
public:
    MainWindow(QWidget* parent = 0);

private slots:
    void newRectangle();
    void newEllipse();
    void newLine();
    void newText();
    void deleteObject();
    void clearAll();
    void fillView();


    void itemClicked(QtCanvasItem* item);
    void itemMoved(QtCanvasItem* item);
    void valueChanged(QtProperty* property, const QVariant& value);
private:

    QtCanvasItem* addRectangle();
    QtCanvasItem* addEllipse();
    QtCanvasItem* addLine();
    QtCanvasItem* addText();
    void addProperty(QtVariantProperty* property, const QString& id);
    void updateExpandState();

    QAction* deleteAction;

    class QtVariantPropertyManager* variantManager;

    class QtTreePropertyBrowser* propertyEditor;
    CanvasView* canvasView;
    QtCanvas* canvas;
    QtCanvasItem* currentItem;
    QMap<QtProperty*, QString> propertyToId;
    QMap<QString, QtVariantProperty*> idToProperty;
    QMap<QString, bool> idToExpanded;
};

#endif