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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> | |
34 | #include <QByteArray> | |
35 | #include <QFile> | |
36 | ||
37 | using std::size_t; | |
38 | ||
39 | ||
40 | class DataStorage | |
41 | { | |
42 | public: | |
43 | virtual ~DataStorage() {}; | |
44 | virtual QByteArray getData(size_t position, size_t length) = 0; | |
45 | virtual size_t size() = 0; | |
46 | }; | |
47 | ||
48 | ||
49 | class DataStorageArray: public DataStorage | |
50 | { | |
51 | public: | |
52 | DataStorageArray(const QByteArray &arr); | |
53 | virtual QByteArray getData(size_t position, size_t length); | |
54 | virtual size_t size(); | |
55 | ||
56 | private: | |
57 | QByteArray data_; | |
58 | }; | |
59 | ||
60 | ||
61 | class QHexView: public QAbstractScrollArea | |
62 | { | |
560f8377 | 63 | public: |
c7b76823 SA |
64 | QHexView(QWidget *parent = 0); |
65 | ~QHexView(); | |
66 | ||
67 | public Q_SLOTS: | |
68 | void setData(DataStorage *pData); | |
69 | void clear(); | |
70 | void showFromOffset(size_t offset); | |
71 | ||
72 | protected: | |
73 | void paintEvent(QPaintEvent *event); | |
74 | void keyPressEvent(QKeyEvent *event); | |
75 | void mouseMoveEvent(QMouseEvent *event); | |
76 | void mousePressEvent(QMouseEvent *event); | |
77 | ||
78 | private: | |
560f8377 | 79 | QSize getFullSize() const; |
c7b76823 SA |
80 | void resetSelection(); |
81 | void resetSelection(int pos); | |
82 | void setSelection(int pos); | |
83 | void ensureVisible(); | |
84 | void setCursorPos(int pos); | |
560f8377 | 85 | size_t cursorPosFromMousePos(const QPoint &position); |
c7b76823 SA |
86 | |
87 | private: | |
88 | DataStorage *pdata_; | |
89 | ||
90 | size_t posAddr_, posHex_, posAscii_; | |
91 | size_t charWidth_, charHeight_; | |
92 | size_t selectBegin_, selectEnd_, selectInit_, cursorPos_; | |
93 | }; | |
94 | ||
95 | #endif /* PULSEVIEW_PV_VIEWS_DECODEROUTPUT_QHEXVIEW_H */ |