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/*
* This file is part of the PulseView project.
*
* Copyright (C) 2014 Joel Holdsworth <joel@airwebreathe.org.uk>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#ifndef PULSEVIEW_PV_VIEWS_TRACEVIEW_TRIGGER_MARKER_HPP
#define PULSEVIEW_PV_VIEWS_TRACEVIEW_TRIGGER_MARKER_HPP
#include "timeitem.hpp"
#include <QPoint>
namespace pv {
namespace views {
namespace trace {
/**
* The TriggerMarker class is used to show to the user at what point in time
* a trigger occured. It is not editable by the user.
*/
class TriggerMarker : public TimeItem
{
Q_OBJECT
public:
static const QColor Color;
public:
/**
* Constructor.
* @param view A reference to the view that owns this marker.
* @param time The time to set the marker to.
*/
TriggerMarker(View &view, const pv::util::Timestamp& time);
/**
* Copy constructor.
*/
TriggerMarker(const TriggerMarker &marker);
/**
* Returns true if the item is visible and enabled.
*/
bool enabled() const override;
/**
Returns true if the item may be dragged/moved.
*/
bool is_draggable(QPoint pos) const override;
/**
* Sets the time of the marker.
*/
void set_time(const pv::util::Timestamp& time) override;
virtual const pv::util::Timestamp time() const override;
float get_x() const override;
/**
* Gets the arrow-tip point of the time marker.
* @param rect the rectangle of the ruler area.
*/
QPoint drag_point(const QRect &rect) const override;
/**
* Paints the foreground layer of the item with a QPainter
* @param p the QPainter to paint into.
* @param pp the painting parameters object to paint with.
*/
void paint_fore(QPainter &p, ViewItemPaintParams &pp) override;
private:
pv::util::Timestamp time_;
};
} // namespace trace
} // namespace views
} // namespace pv
#endif // PULSEVIEW_PV_VIEWS_TRACEVIEW_TRIGGER_MARKER_HPP
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