[pulseview.git] / pv / view / cursorheader.h

/*
 * This file is part of the PulseView project.
 *
 * Copyright (C) 2012 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_VIEW_CURSORHEADER_H
#define PULSEVIEW_PV_VIEW_CURSORHEADER_H

#include <memory>

#include "marginwidget.h"

namespace pv {
namespace view {

class TimeMarker;

/**
 * Widget to hold the labels over the cursors.
 */
class CursorHeader : public MarginWidget
{
	Q_OBJECT

	static const int Padding;

public:
	CursorHeader(View &parent);

	QSize sizeHint() const;

	void clear_selection();

private:
	void paintEvent(QPaintEvent *event);

	void mouseMoveEvent(QMouseEvent *e);
	void mousePressEvent(QMouseEvent *e);
	void mouseReleaseEvent(QMouseEvent *);

	int calculateTextHeight();

	std::weak_ptr<TimeMarker> _grabbed_marker;
	QPoint _mouse_down_point;
	bool _dragging;
	const int _textHeight;
};

} // namespace view
} // namespace pv

#endif // PULSEVIEW_PV_VIEW_CURSORHEADER_H
Commit	Line	Data
84a0d458 JS	1	/*
	2	* This file is part of the PulseView project.
	3	*
	4	* Copyright (C) 2012 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_VIEW_CURSORHEADER_H
	22	#define PULSEVIEW_PV_VIEW_CURSORHEADER_H
	23
	24	#include <memory>
	25
	26	#include "marginwidget.h"
	27
	28	namespace pv {
	29	namespace view {
	30
	31	class TimeMarker;
	32
	33	/**
	34	* Widget to hold the labels over the cursors.
	35	*/
	36	class CursorHeader : public MarginWidget
	37	{
	38	Q_OBJECT
	39
4707a23d JS	40	static const int Padding;
4707a23d JS	41
84a0d458 JS	42	public:
	43	CursorHeader(View &parent);
	44
	45	QSize sizeHint() const;
	46
	47	void clear_selection();
	48
	49	private:
	50	void paintEvent(QPaintEvent *event);
	51
	52	void mouseMoveEvent(QMouseEvent *e);
	53	void mousePressEvent(QMouseEvent *e);
	54	void mouseReleaseEvent(QMouseEvent *);
	55
4707a23d	56	int calculateTextHeight();
84a0d458 JS	57
	58	std::weak_ptr<TimeMarker> _grabbed_marker;
	59	QPoint _mouse_down_point;
	60	bool _dragging;
4707a23d	61	const int _textHeight;
84a0d458 JS	62	};
	63
	64	} // namespace view
	65	} // namespace pv
	66
	67	#endif // PULSEVIEW_PV_VIEW_CURSORHEADER_H