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

/*
 * 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_HEADER_H
#define PULSEVIEW_PV_VIEW_HEADER_H

#include <list>
#include <memory>
#include <utility>

#include "marginwidget.hpp"

namespace pv {
namespace view {

class RowItem;
class View;

class Header : public MarginWidget
{
	Q_OBJECT

private:
	static const int Padding;

public:
	Header(View &parent);

	QSize sizeHint() const;

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

	/**
	 * The horizontal offset, relative to the left edge of the widget,
	 * where the arrows of the trace labels end.
	 */
	static const int BaselineOffset;

private:
	std::shared_ptr<pv::view::RowItem> get_mouse_over_item(
		const QPoint &pt);

	void clear_selection();

	void show_popup(const std::shared_ptr<RowItem> &item);

private:
	void paintEvent(QPaintEvent *event);

private:
	void mouseLeftPressEvent(QMouseEvent *event);
	void mousePressEvent(QMouseEvent * event);

	void mouseLeftReleaseEvent(QMouseEvent *event);
	void mouseReleaseEvent(QMouseEvent *event);

	void mouseMoveEvent(QMouseEvent *event);

	void leaveEvent(QEvent *event);

	void contextMenuEvent(QContextMenuEvent *event);

	void keyPressEvent(QKeyEvent *e);

private Q_SLOTS:
	void on_signals_moved();

	void on_group();

	void on_ungroup();

Q_SIGNALS:
	void signals_moved();

private:
	std::shared_ptr<RowItem> mouse_down_item_;
};

} // namespace view
} // namespace pv

#endif // PULSEVIEW_PV_VIEW_HEADER_H
Commit	Line	Data
	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_HEADER_H
	22	#define PULSEVIEW_PV_VIEW_HEADER_H
	23
	24	#include <list>
	25	#include <memory>
	26	#include <utility>
	27
	28	#include "marginwidget.hpp"
	29
	30	namespace pv {
	31	namespace view {
	32
	33	class RowItem;
	34	class View;
	35
	36	class Header : public MarginWidget
	37	{
	38	Q_OBJECT
	39
	40	private:
	41	static const int Padding;
	42
	43	public:
	44	Header(View &parent);
	45
	46	QSize sizeHint() const;
	47
	48	/**
	49	* The extended area that the header widget would like to be sized to.
	50	* @remarks This area is the area specified by sizeHint, extended by
	51	* the area to overlap the viewport.
	52	*/
	53	QSize extended_size_hint() const;
	54
	55	/**
	56	* The horizontal offset, relative to the left edge of the widget,
	57	* where the arrows of the trace labels end.
	58	*/
	59	static const int BaselineOffset;
	60
	61	private:
	62	std::shared_ptr<pv::view::RowItem> get_mouse_over_item(
	63	const QPoint &pt);
	64
	65	void clear_selection();
	66
	67	void show_popup(const std::shared_ptr<RowItem> &item);
	68
	69	private:
	70	void paintEvent(QPaintEvent *event);
	71
	72	private:
	73	void mouseLeftPressEvent(QMouseEvent *event);
	74	void mousePressEvent(QMouseEvent * event);
	75
	76	void mouseLeftReleaseEvent(QMouseEvent *event);
	77	void mouseReleaseEvent(QMouseEvent *event);
	78
	79	void mouseMoveEvent(QMouseEvent *event);
	80
	81	void leaveEvent(QEvent *event);
	82
	83	void contextMenuEvent(QContextMenuEvent *event);
	84
	85	void keyPressEvent(QKeyEvent *e);
	86
	87	private Q_SLOTS:
	88	void on_signals_moved();
	89
	90	void on_group();
	91
	92	void on_ungroup();
	93
	94	Q_SIGNALS:
	95	void signals_moved();
	96
	97	private:
	98	std::shared_ptr<RowItem> mouse_down_item_;
	99	};
	100
	101	} // namespace view
	102	} // namespace pv
	103
	104	#endif // PULSEVIEW_PV_VIEW_HEADER_H