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/*
* 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_DECODERBINARY_QHEXVIEW_H
#define PULSEVIEW_PV_VIEWS_DECODERBINARY_QHEXVIEW_H
#include <QAbstractScrollArea>
#include <pv/data/decodesignal.hpp>
using std::pair;
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 = nullptr);
void set_mode(Mode m);
void set_data(const DecodeBinaryClass* data);
unsigned int get_bytes_per_line() const;
void clear();
void showFromOffset(size_t offset);
virtual QSizePolicy sizePolicy() const;
pair<size_t, size_t> get_selection() const;
size_t create_hex_line(size_t start, size_t end, QString* dest,
bool with_offset=false, bool with_ascii=false);
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_, current_offset_;
DecodeBinaryDataChunk current_chunk_; // Cache locally so that we're not messed up when the vector is re-allocating its data
vector<QColor> chunk_colors_;
};
#endif /* PULSEVIEW_PV_VIEWS_DECODERBINARY_QHEXVIEW_H */
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