[pulseview.git] / pv / views / decoder_output / QHexView.hpp

/*
 * This file is part of the PulseView project.
 *
 * Copyright (C) 2015 Victor Anjin <virinext@gmail.com>
 * Copyright (C) 2019 Soeren Apel <soeren@apelpie.net>
 *
 * The MIT License (MIT)
 *
 * Copyright (c) 2015
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

#ifndef PULSEVIEW_PV_VIEWS_DECODEROUTPUT_QHEXVIEW_H
#define PULSEVIEW_PV_VIEWS_DECODEROUTPUT_QHEXVIEW_H

#include <QAbstractScrollArea>

#include <pv/data/decodesignal.hpp>

using std::size_t;
using pv::data::DecodeBinaryClass;
using pv::data::DecodeBinaryDataChunk;

class QHexView: public QAbstractScrollArea
{
	Q_OBJECT

public:
	enum Mode {
		ChunkedDataMode,    ///< Displays all data chunks in succession
		MemoryEmulationMode ///< Reconstructs memory contents from data chunks
	};

public:
	QHexView(QWidget *parent = 0);

	void setMode(Mode m);
	void setData(const DecodeBinaryClass* data);

	void clear();
	void showFromOffset(size_t offset);

protected:
	void initialize_byte_iterator(size_t offset);
	uint8_t get_next_byte(bool* is_next_chunk = nullptr);

	void paintEvent(QPaintEvent *event);
	void keyPressEvent(QKeyEvent *event);
	void mouseMoveEvent(QMouseEvent *event);
	void mousePressEvent(QMouseEvent *event);

private:
	QSize getFullSize() const;
	void resetSelection();
	void resetSelection(int pos);
	void setSelection(int pos);
	void ensureVisible();
	void setCursorPos(int pos);
	size_t cursorPosFromMousePos(const QPoint &position);

private:
	Mode mode_;
	const DecodeBinaryClass* data_;
	size_t data_size_;

	size_t posAddr_, posHex_, posAscii_;
	size_t charWidth_, charHeight_;
	size_t selectBegin_, selectEnd_, selectInit_, cursorPos_;

	size_t current_chunk_id_, current_chunk_offset_;
	const DecodeBinaryDataChunk* current_chunk_;
};

#endif /* PULSEVIEW_PV_VIEWS_DECODEROUTPUT_QHEXVIEW_H */
Commit	Line	Data
	1	/*
	2	* This file is part of the PulseView project.
	3	*
	4	* Copyright (C) 2015 Victor Anjin <virinext@gmail.com>
	5	* Copyright (C) 2019 Soeren Apel <soeren@apelpie.net>
	6	*
	7	* The MIT License (MIT)
	8	*
	9	* Copyright (c) 2015
	10	*
	11	* Permission is hereby granted, free of charge, to any person obtaining a copy
	12	* of this software and associated documentation files (the "Software"), to deal
	13	* in the Software without restriction, including without limitation the rights
	14	* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
	15	* copies of the Software, and to permit persons to whom the Software is
	16	* furnished to do so, subject to the following conditions:
	17	*
	18	* The above copyright notice and this permission notice shall be included in all
	19	* copies or substantial portions of the Software.
	20	*
	21	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	22	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	23	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
	24	* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
	25	* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
	26	* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
	27	* SOFTWARE.
	28	*/
	29
	30	#ifndef PULSEVIEW_PV_VIEWS_DECODEROUTPUT_QHEXVIEW_H
	31	#define PULSEVIEW_PV_VIEWS_DECODEROUTPUT_QHEXVIEW_H
	32
	33	#include <QAbstractScrollArea>
	34
	35	#include <pv/data/decodesignal.hpp>
	36
	37	using std::size_t;
	38	using pv::data::DecodeBinaryClass;
	39	using pv::data::DecodeBinaryDataChunk;
	40
	41	class QHexView: public QAbstractScrollArea
	42	{
	43	Q_OBJECT
	44
	45	public:
	46	enum Mode {
	47	ChunkedDataMode, ///< Displays all data chunks in succession
	48	MemoryEmulationMode ///< Reconstructs memory contents from data chunks
	49	};
	50
	51	public:
	52	QHexView(QWidget *parent = 0);
	53
	54	void setMode(Mode m);
	55	void setData(const DecodeBinaryClass* data);
	56
	57	void clear();
	58	void showFromOffset(size_t offset);
	59
	60	protected:
	61	void initialize_byte_iterator(size_t offset);
	62	uint8_t get_next_byte(bool* is_next_chunk = nullptr);
	63
	64	void paintEvent(QPaintEvent *event);
	65	void keyPressEvent(QKeyEvent *event);
	66	void mouseMoveEvent(QMouseEvent *event);
	67	void mousePressEvent(QMouseEvent *event);
	68
	69	private:
	70	QSize getFullSize() const;
	71	void resetSelection();
	72	void resetSelection(int pos);
	73	void setSelection(int pos);
	74	void ensureVisible();
	75	void setCursorPos(int pos);
	76	size_t cursorPosFromMousePos(const QPoint &position);
	77
	78	private:
	79	Mode mode_;
	80	const DecodeBinaryClass* data_;
	81	size_t data_size_;
	82
	83	size_t posAddr_, posHex_, posAscii_;
	84	size_t charWidth_, charHeight_;
	85	size_t selectBegin_, selectEnd_, selectInit_, cursorPos_;
	86
	87	size_t current_chunk_id_, current_chunk_offset_;
	88	const DecodeBinaryDataChunk* current_chunk_;
	89	};
	90
	91	#endif /* PULSEVIEW_PV_VIEWS_DECODEROUTPUT_QHEXVIEW_H */