displaywidget.h Example File
tools/qtdemo/displaywidget.h
/****************************************************************************
**
** Copyright (C) 2005-2005 Trolltech AS. All rights reserved.
**
** This file is part of the documentation of the Qt Toolkit.
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** This file may be used under the terms of the GNU General Public
** License version 2.0 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 GNU
** General Public Licensing requirements will be met:
** http://www.trolltech.com/products/qt/opensource.html
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** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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****************************************************************************/
#ifndef DISPLAYWIDGET_H
#define DISPLAYWIDGET_H
#include <QBasicTimer>
#include <QWidget>
class DisplayShape;
class DisplayWidget : public QWidget
{
Q_OBJECT
public:
DisplayWidget(QWidget *parent = 0);
QSize minimumSizeHint() const;
DisplayShape *shape(int index) const;
int shapesCount() const;
void appendShape(DisplayShape *shape);
void enableUpdates();
void insertShape(int position, DisplayShape *shape);
void reset();
protected:
void mouseMoveEvent(QMouseEvent *event);
void mousePressEvent(QMouseEvent *event);
void paintEvent(QPaintEvent *event);
void timerEvent(QTimerEvent *event);
signals:
void actionRequested(const QString &name);
void displayEmpty();
void categoryRequested(const QString &name);
void documentationRequested(const QString &name);
void exampleRequested(const QString &name);
void launchRequested(const QString &name);
private:
bool empty;
bool emptying;
bool updatesEnabled;
QList<DisplayShape*> shapes;
QBasicTimer timer;
};
#endif
