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_DECODERBINARY_QHEXVIEW_H 31 #define PULSEVIEW_PV_VIEWS_DECODERBINARY_QHEXVIEW_H 32 33 #include <QAbstractScrollArea> 34 35 #include <pv/data/decodesignal.hpp> 36 37 using std::pair; 38 using std::size_t; 39 using pv::data::DecodeBinaryClass; 40 using pv::data::DecodeBinaryDataChunk; 41 42 class QHexView: public QAbstractScrollArea 43 { 44 Q_OBJECT 45 46 public: 47 enum Mode { 48 ChunkedDataMode, ///< Displays all data chunks in succession 49 MemoryEmulationMode ///< Reconstructs memory contents from data chunks 50 }; 51 52 public: 53 QHexView(QWidget *parent = nullptr); 54 55 void set_mode(Mode m); 56 void set_data(const DecodeBinaryClass* data); 57 unsigned int get_bytes_per_line() const; 58 59 void clear(); 60 void showFromOffset(size_t offset); 61 virtual QSizePolicy sizePolicy() const; 62 63 pair<size_t, size_t> get_selection() const; 64 65 size_t create_hex_line(size_t start, size_t end, QString* dest, 66 bool with_offset=false, bool with_ascii=false); 67 68 protected: 69 void initialize_byte_iterator(size_t offset); 70 uint8_t get_next_byte(bool* is_next_chunk = nullptr); 71 72 void paintEvent(QPaintEvent *event); 73 void keyPressEvent(QKeyEvent *event); 74 void mouseMoveEvent(QMouseEvent *event); 75 void mousePressEvent(QMouseEvent *event); 76 77 private: 78 QSize getFullSize() const; 79 void resetSelection(); 80 void resetSelection(int pos); 81 void setSelection(int pos); 82 void ensureVisible(); 83 void setCursorPos(int pos); 84 size_t cursorPosFromMousePos(const QPoint &position); 85 86 private: 87 Mode mode_; 88 const DecodeBinaryClass* data_; 89 size_t data_size_; 90 91 size_t posAddr_, posHex_, posAscii_; 92 size_t charWidth_, charHeight_; 93 size_t selectBegin_, selectEnd_, selectInit_, cursorPos_; 94 95 size_t current_chunk_id_, current_chunk_offset_, current_offset_; 96 DecodeBinaryDataChunk current_chunk_; // Cache locally so that we're not messed up when the vector is re-allocating its data 97 98 vector<QColor> chunk_colors_; 99 }; 100 101 #endif /* PULSEVIEW_PV_VIEWS_DECODERBINARY_QHEXVIEW_H */ 102