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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_DECODEROUTPUT_QHEXVIEW_H | |
31 | #define PULSEVIEW_PV_VIEWS_DECODEROUTPUT_QHEXVIEW_H | |
32 | ||
33 | #include <QAbstractScrollArea> | |
628b45cc SA |
34 | |
35 | #include <pv/data/decodesignal.hpp> | |
c7b76823 | 36 | |
13b726cd | 37 | using std::pair; |
c7b76823 | 38 | using std::size_t; |
628b45cc SA |
39 | using pv::data::DecodeBinaryClass; |
40 | using pv::data::DecodeBinaryDataChunk; | |
c7b76823 | 41 | |
c7b76823 SA |
42 | class QHexView: public QAbstractScrollArea |
43 | { | |
628b45cc SA |
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 | ||
560f8377 | 52 | public: |
c7b76823 | 53 | QHexView(QWidget *parent = 0); |
01ba5ed7 | 54 | |
628b45cc SA |
55 | void setMode(Mode m); |
56 | void setData(const DecodeBinaryClass* data); | |
c7b76823 | 57 | |
c7b76823 SA |
58 | void clear(); |
59 | void showFromOffset(size_t offset); | |
6961eab0 | 60 | virtual QSizePolicy sizePolicy() const; |
c7b76823 | 61 | |
13b726cd SA |
62 | pair<size_t, size_t> get_selection() const; |
63 | ||
c7b76823 | 64 | protected: |
628b45cc SA |
65 | void initialize_byte_iterator(size_t offset); |
66 | uint8_t get_next_byte(bool* is_next_chunk = nullptr); | |
67 | ||
c7b76823 SA |
68 | void paintEvent(QPaintEvent *event); |
69 | void keyPressEvent(QKeyEvent *event); | |
70 | void mouseMoveEvent(QMouseEvent *event); | |
71 | void mousePressEvent(QMouseEvent *event); | |
72 | ||
73 | private: | |
560f8377 | 74 | QSize getFullSize() const; |
c7b76823 SA |
75 | void resetSelection(); |
76 | void resetSelection(int pos); | |
77 | void setSelection(int pos); | |
78 | void ensureVisible(); | |
79 | void setCursorPos(int pos); | |
560f8377 | 80 | size_t cursorPosFromMousePos(const QPoint &position); |
c7b76823 SA |
81 | |
82 | private: | |
628b45cc SA |
83 | Mode mode_; |
84 | const DecodeBinaryClass* data_; | |
85 | size_t data_size_; | |
c7b76823 SA |
86 | |
87 | size_t posAddr_, posHex_, posAscii_; | |
88 | size_t charWidth_, charHeight_; | |
89 | size_t selectBegin_, selectEnd_, selectInit_, cursorPos_; | |
628b45cc | 90 | |
cbf428c2 | 91 | size_t current_chunk_id_, current_chunk_offset_, current_offset_; |
516d2128 | 92 | DecodeBinaryDataChunk current_chunk_; // Cache locally so that we're not messed up when the vector is re-allocating its data |
a61abf09 SA |
93 | |
94 | vector<QColor> chunk_colors_; | |
c7b76823 SA |
95 | }; |
96 | ||
97 | #endif /* PULSEVIEW_PV_VIEWS_DECODEROUTPUT_QHEXVIEW_H */ |