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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 */ |