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DSView/DSView/pv/view/timemarker.h
2021-11-04 15:38:42 +08:00

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/*
* This file is part of the DSView project.
* DSView is based on PulseView.
*
* Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk>
* Copyright (C) 2013 DreamSourceLab <support@dreamsourcelab.com>
*
* 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, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef DSVIEW_PV_VIEW_MARKER_H
#define DSVIEW_PV_VIEW_MARKER_H
#include <QColor>
#include <QObject>
#include <QRectF>
#include <stdint.h>
class QPainter;
class QRect;
namespace pv {
namespace view {
class View;
//the Cursor's base class
class TimeMarker : public QObject
{
Q_OBJECT
protected:
/**
* Constructor.
* @param view A reference to the view that owns this marker.
* @param colour A reference to the colour of this cursor.
* @param time The time to set the flag to.
*/
TimeMarker(View &view, QColor &colour, uint64_t index);
/**
* Copy constructor
*/
TimeMarker(const TimeMarker &s);
public:
/**
* Gets the time of the marker.
*/
double time();
uint64_t index();
/**
* Sets the time of the marker.
*/
void set_index(uint64_t index);
/**
* Gets/Sets colour of the marker
*/
QColor colour();
void set_colour(QColor color);
/*
*
*/
bool grabbed();
void set_grabbed(bool grabbed);
/**
* Paints the marker to the viewport.
* @param p The painter to draw with.
* @param rect The rectangle of the viewport client area.
*/
virtual void paint(QPainter &p, const QRect &rect, const bool highlight, int order, bool trig_hoff = true);
/**
* Gets the marker label rectangle.
* @param rect The rectangle of the ruler client area.
* @param visible is this marker in visible area
* @return Returns the label rectangle.
*/
virtual QRect get_label_rect(const QRect &rect, bool &visible, bool has_hoff = true) = 0;
/**
* Paints the marker's label to the ruler.
* @param p The painter to draw with.
* @param rect The rectangle of the ruler client area.
* @param prefix The SI prefix to paint time value with.
*/
virtual void paint_label(QPainter &p, const QRect &rect,
unsigned int prefix, int index, bool has_hoff) = 0;
signals:
void time_changed();
protected:
View &_view;
uint64_t _index;
QSizeF _text_size;
private:
bool _grabbed;
QColor _colour;
};
} // namespace view
} // namespace pv
#endif // DSVIEW_PV_VIEW_MARKER_H