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// systemtap grapher
// Copyright (C) 2009 Red Hat Inc.
//
// This file is part of systemtap, and is free software. You can
// redistribute it and/or modify it under the terms of the GNU General
// Public License (GPL); either version 2, or (at your option) any
// later version.
#ifndef SYSTEMTAP_CAIROWIDGET_H
#define SYSTEMTAP_CAIROWIDGET_H 1
#include <cairomm/context.h>
namespace systemtap
{
class CairoWidget
{
public:
CairoWidget(bool visible = false)
: _visible(visible)
{}
bool isVisible() const { return _visible; }
void setVisible(bool visible) { _visible = visible; }
void getOrigin(double &x, double &y) const
{
x = _x0;
y = _y0;
}
void setOrigin(double x, double y)
{
_x0 = x;
_y0 = y;
}
virtual void draw(Cairo::RefPtr<Cairo::Context> cr) = 0;
virtual bool containsPoint(double x, double y) { return false; }
protected:
bool _visible;
double _x0;
double _y0;
};
class CairoPlayButton : public CairoWidget
{
public:
CairoPlayButton(bool visible = false)
: CairoWidget(visible), _size(50.0), _radius(5)
{
}
virtual void draw(Cairo::RefPtr<Cairo::Context> cr);
virtual bool containsPoint(double x, double y);
protected:
double _size;
double _radius;
};
class CairoTextBox : public CairoWidget
{
public:
void draw(Cairo::RefPtr<Cairo::Context> cr);
std::string contents;
};
}
#endif
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