[pulseview.git] / pv / view / marginwidget.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_MARGINWIDGET_H
#define PULSEVIEW_PV_MARGINWIDGET_H

#include <QPoint>
#include <QWidget>

namespace pv {
namespace view {

class View;

class MarginWidget : public QWidget
{
	Q_OBJECT

public:
	MarginWidget(pv::view::View &parent);

	/**
	 * The extended area that the margin widget would like to be sized to.
	 * @remarks This area is the area specified by sizeHint, extended by
	 * the area to overlap the viewport.
	 */
	virtual QSize extended_size_hint() const = 0;

public Q_SLOTS:
	virtual void clear_selection();

Q_SIGNALS:
	void selection_changed();

protected:
	pv::view::View &view_;
	QPoint mouse_point_;
	QPoint mouse_down_point_;
	bool dragging_;
};

} // namespace view
} // namespace pv

#endif // PULSEVIEW_PV_MARGINWIDGET_H
Commit	Line	Data
c23b29d6 JH	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_MARGINWIDGET_H
	22	#define PULSEVIEW_PV_MARGINWIDGET_H
	23
f4433aa9	24	#include <QPoint>
c23b29d6 JH	25	#include <QWidget>
	26
	27	namespace pv {
	28	namespace view {
	29
	30	class View;
	31
	32	class MarginWidget : public QWidget
	33	{
	34	Q_OBJECT
	35
	36	public:
	37	MarginWidget(pv::view::View &parent);
	38
819e2e95 JH	39	/**
	40	* The extended area that the margin widget would like to be sized to.
	41	* @remarks This area is the area specified by sizeHint, extended by
	42	* the area to overlap the viewport.
	43	*/
	44	virtual QSize extended_size_hint() const = 0;
	45
e9213170	46	public Q_SLOTS:
84a0d458	47	virtual void clear_selection();
a2ae0205	48
e9213170	49	Q_SIGNALS:
b2a53645 JH	50	void selection_changed();
b2a53645 JH	51
c23b29d6	52	protected:
8dbbc7f0	53	pv::view::View &view_;
f4433aa9 JH	54	QPoint mouse_point_;
	55	QPoint mouse_down_point_;
	56	bool dragging_;
c23b29d6 JH	57	};
	58
	59	} // namespace view
	60	} // namespace pv
	61
	62	#endif // PULSEVIEW_PV_MARGINWIDGET_H