[pulseview.git] / pv / view / cursorpair.hpp

/*
 * This file is part of the PulseView project.
 *
 * Copyright (C) 2013 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, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
 */

#ifndef PULSEVIEW_PV_VIEWS_TRACEVIEW_CURSORPAIR_HPP
#define PULSEVIEW_PV_VIEWS_TRACEVIEW_CURSORPAIR_HPP

#include "cursor.hpp"

#include <memory>

#include <QPainter>

class QPainter;

namespace pv {
namespace views {
namespace TraceView {

class CursorPair : public TimeItem
{
private:
	static const int DeltaPadding;
	static const QColor ViewportFillColour;

public:
	/**
	 * Constructor.
	 * @param view A reference to the view that owns this cursor pair.
	 */
	CursorPair(View &view);

public:
	/**
	 * Returns true if the item is visible and enabled.
	 */
	bool enabled() const override;

	/**
	 * Returns a pointer to the first cursor.
	 */
	std::shared_ptr<Cursor> first() const;

	/**
	 * Returns a pointer to the second cursor.
	 */
	std::shared_ptr<Cursor> second() const;

	/**
	 * Sets the time of the marker.
	 */
	void set_time(const pv::util::Timestamp& time) override;

	float get_x() const override;

	QPoint point(const QRect &rect) const override;

	pv::widgets::Popup* create_popup(QWidget *parent) override;

public:
	QRectF label_rect(const QRectF &rect) const override;

	/**
	 * 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 hover true if the label is being hovered over by the mouse.
	 */
	void paint_label(QPainter &p, const QRect &rect, bool hover) override;

	/**
	 * Paints the background 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_back(QPainter &p, const ViewItemPaintParams &pp) override;

	/**
	 * Constructs the string to display.
	 */
	QString format_string();

	void compute_text_size(QPainter &p);

	std::pair<float, float> get_cursor_offsets() const;

private:
	std::shared_ptr<Cursor> first_, second_;

	QSizeF text_size_;
};

} // namespace TraceView
} // namespace views
} // namespace pv

#endif // PULSEVIEW_PV_VIEWS_TRACEVIEW_CURSORPAIR_HPP
Commit	Line	Data
	1	/*
	2	* This file is part of the PulseView project.
	3	*
	4	* Copyright (C) 2013 Joel Holdsworth <joel@airwebreathe.org.uk>
	5	*
	6	* This program is free software; you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License as published by
	8	* the Free Software Foundation; either version 2 of the License, or
	9	* (at your option) any later version.
	10	*
	11	* This program is distributed in the hope that it will be useful,
	12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	* GNU General Public License for more details.
	15	*
	16	* You should have received a copy of the GNU General Public License
	17	* along with this program; if not, write to the Free Software
	18	* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
	19	*/
	20
	21	#ifndef PULSEVIEW_PV_VIEWS_TRACEVIEW_CURSORPAIR_HPP
	22	#define PULSEVIEW_PV_VIEWS_TRACEVIEW_CURSORPAIR_HPP
	23
	24	#include "cursor.hpp"
	25
	26	#include <memory>
	27
	28	#include <QPainter>
	29
	30	class QPainter;
	31
	32	namespace pv {
	33	namespace views {
	34	namespace TraceView {
	35
	36	class CursorPair : public TimeItem
	37	{
	38	private:
	39	static const int DeltaPadding;
	40	static const QColor ViewportFillColour;
	41
	42	public:
	43	/**
	44	* Constructor.
	45	* @param view A reference to the view that owns this cursor pair.
	46	*/
	47	CursorPair(View &view);
	48
	49	public:
	50	/**
	51	* Returns true if the item is visible and enabled.
	52	*/
	53	bool enabled() const override;
	54
	55	/**
	56	* Returns a pointer to the first cursor.
	57	*/
	58	std::shared_ptr<Cursor> first() const;
	59
	60	/**
	61	* Returns a pointer to the second cursor.
	62	*/
	63	std::shared_ptr<Cursor> second() const;
	64
	65	/**
	66	* Sets the time of the marker.
	67	*/
	68	void set_time(const pv::util::Timestamp& time) override;
	69
	70	float get_x() const override;
	71
	72	QPoint point(const QRect &rect) const override;
	73
	74	pv::widgets::Popup* create_popup(QWidget *parent) override;
	75
	76	public:
	77	QRectF label_rect(const QRectF &rect) const override;
	78
	79	/**
	80	* Paints the marker's label to the ruler.
	81	* @param p The painter to draw with.
	82	* @param rect The rectangle of the ruler client area.
	83	* @param hover true if the label is being hovered over by the mouse.
	84	*/
	85	void paint_label(QPainter &p, const QRect &rect, bool hover) override;
	86
	87	/**
	88	* Paints the background layer of the item with a QPainter
	89	* @param p the QPainter to paint into.
	90	* @param pp the painting parameters object to paint with.
	91	*/
	92	void paint_back(QPainter &p, const ViewItemPaintParams &pp) override;
	93
	94	/**
	95	* Constructs the string to display.
	96	*/
	97	QString format_string();
	98
	99	void compute_text_size(QPainter &p);
	100
	101	std::pair<float, float> get_cursor_offsets() const;
	102
	103	private:
	104	std::shared_ptr<Cursor> first_, second_;
	105
	106	QSizeF text_size_;
	107	};
	108
	109	} // namespace TraceView
	110	} // namespace views
	111	} // namespace pv
	112
	113	#endif // PULSEVIEW_PV_VIEWS_TRACEVIEW_CURSORPAIR_HPP