[pulseview.git] / sigview.h

/*
 * This file is part of the sigrok 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 SIGVIEW_H
#define SIGVIEW_H

#include <QtOpenGL/QGLWidget>
#include <QTimer>

class QPainter;
class QPaintEvent;
class SigSession;

class SigView : public QGLWidget
{
	Q_OBJECT

private:
	static const double MaxScale;
	static const double MinScale;

	static const int SignalHeight;
	static const int LabelMarginWidth;
	static const int RulerHeight;

	static const int MinorTickSubdivision;
	static const int ScaleUnits[3];

	static const QString SIPrefixes[9];
	static const int FirstSIPrefixPower;

public:
	explicit SigView(SigSession &session, QWidget *parent = 0);

protected:

	void initializeGL();

	void resizeGL(int width, int height);

	void paintEvent(QPaintEvent *event);

private:
	void mousePressEvent(QMouseEvent *event);
	void mouseMoveEvent(QMouseEvent *event);
	void mouseReleaseEvent(QMouseEvent *event);
	void wheelEvent(QWheelEvent *event);

private:
	void setup_viewport(int width, int height);

	void paint_ruler(QPainter &p);

private slots:
	void data_updated();

private:
	SigSession &_session;

	double _scale;
	double _offset;

	QPoint _mouse_down_point;
	double _mouse_down_offset;
};

#endif // SIGVIEW_H
Commit	Line	Data
	1	/*
	2	* This file is part of the sigrok 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 SIGVIEW_H
	22	#define SIGVIEW_H
	23
	24	#include <QtOpenGL/QGLWidget>
	25	#include <QTimer>
	26
	27	class QPainter;
	28	class QPaintEvent;
	29	class SigSession;
	30
	31	class SigView : public QGLWidget
	32	{
	33	Q_OBJECT
	34
	35	private:
	36	static const double MaxScale;
	37	static const double MinScale;
	38
	39	static const int SignalHeight;
	40	static const int LabelMarginWidth;
	41	static const int RulerHeight;
	42
	43	static const int MinorTickSubdivision;
	44	static const int ScaleUnits[3];
	45
	46	static const QString SIPrefixes[9];
	47	static const int FirstSIPrefixPower;
	48
	49	public:
	50	explicit SigView(SigSession &session, QWidget *parent = 0);
	51
	52	protected:
	53
	54	void initializeGL();
	55
	56	void resizeGL(int width, int height);
	57
	58	void paintEvent(QPaintEvent *event);
	59
	60	private:
	61	void mousePressEvent(QMouseEvent *event);
	62	void mouseMoveEvent(QMouseEvent *event);
	63	void mouseReleaseEvent(QMouseEvent *event);
	64	void wheelEvent(QWheelEvent *event);
	65
	66	private:
	67	void setup_viewport(int width, int height);
	68
	69	void paint_ruler(QPainter &p);
	70
	71	private slots:
	72	void data_updated();
	73
	74	private:
	75	SigSession &_session;
	76
	77	double _scale;
	78	double _offset;
	79
	80	QPoint _mouse_down_point;
	81	double _mouse_down_offset;
	82	};
	83
	84	#endif // SIGVIEW_H