build/example/qt/qt4/hello/arrow.h
Vladimir Prus 6931006fb1 New Qt example.
[SVN r33589]
2006-04-07 11:32:04 +00:00

31 lines
637 B
C++

// Copyright Vladimir Prus 2005.
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE_1_0.txt
// or copy at http://www.boost.org/LICENSE_1_0.txt)
#include <QtGui/qapplication.h>
#include <QtGui/qwidget.h>
#include <QtGui/qpainter.h>
#include <QtGui/qpainterpath.h>
#include <stdlib.h>
#include <math.h>
class Arrow_widget : public QWidget
{
Q_OBJECT
public:
Arrow_widget(QWidget* parent = 0);
public slots:
void slotChangeColor();
private:
void draw_arrow(int x1, int y1, int x2, int y2, QPainter& painter);
void paintEvent(QPaintEvent*);
private:
int color_;
};