displaywidget.h Example File
tools/qtdemo/displaywidget.h
/****************************************************************************
**
** Copyright (C) 2005-2006 Trolltech ASA. All rights reserved.
**
** This file is part of the example classes of the Qt Toolkit.
**
** Licensees holding valid Qt Preview licenses may use this file in
** accordance with the Qt Preview License Agreement provided with the
** Software.
**
** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
** information about Qt Commercial License Agreements.
**
** Contact info@trolltech.com if any conditions of this licensing are
** not clear to you.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
****************************************************************************/
#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;
#if defined(Q_WS_X11)
int numFrames;
int frameTime;
int avgRate;
bool testDrawSpeed;
#endif
};
#endif