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Replace QHexEdit2 with QHexView5

Browse Source 
New widget adds better look-and-feel and comes with free proper dark mode support.
This commit is contained in:
Nikolaj Schlej 2023-04-23 00:55:05 -07:00
parent cbf26d125d
commit cba31d826a
40 changed files with 3033 additions and 2685 deletions
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123
UEFITool/CMakeLists.txt
View File

@ -23,6 +23,7 @@ SET(PROJECT_HEADERS
hexviewdialog.h
gotobasedialog.h
gotoaddressdialog.h
qhexview5/qhexview.h
)
SET(PROJECT_SOURCES
@ -35,63 +36,73 @@ SET(PROJECT_SOURCES
hexlineedit.cpp
ffsfinder.cpp
hexspinbox.cpp
qhexedit2/qhexedit.cpp
qhexedit2/chunks.cpp
qhexedit2/commands.cpp
../common/fitparser.cpp
../common/guiddatabase.cpp
../common/nvram.cpp
../common/nvramparser.cpp
../common/meparser.cpp
../common/ffsops.cpp
../common/types.cpp
../common/descriptor.cpp
../common/ffs.cpp
../common/peimage.cpp
../common/utility.cpp
../common/ffsbuilder.cpp
../common/ffsparser.cpp
../common/ffsreport.cpp
../common/treeitem.cpp
../common/treemodel.cpp
../common/LZMA/LzmaCompress.c
../common/LZMA/LzmaDecompress.c
../common/LZMA/SDK/C/CpuArch.c
../common/LZMA/SDK/C/Bra.c
../common/LZMA/SDK/C/Bra86.c
../common/LZMA/SDK/C/LzFind.c
../common/LZMA/SDK/C/LzmaDec.c
../common/LZMA/SDK/C/LzmaEnc.c
../common/Tiano/EfiTianoDecompress.c
../common/Tiano/EfiTianoCompress.c
../common/Tiano/EfiTianoCompressLegacy.c
../common/ustring.cpp
../common/digest/sha1.c
../common/digest/sha256.c
../common/digest/sha512.c
../common/digest/sm3.c
qhexview5/model/buffer/qhexbuffer.cpp
qhexview5/model/buffer/qdevicebuffer.cpp
qhexview5/model/buffer/qmemorybuffer.cpp
qhexview5/model/commands/hexcommand.cpp
qhexview5/model/commands/insertcommand.cpp
qhexview5/model/commands/removecommand.cpp
qhexview5/model/commands/replacecommand.cpp
qhexview5/model/qhexcursor.cpp
qhexview5/model/qhexdelegate.cpp
qhexview5/model/qhexdocument.cpp
qhexview5/model/qhexmetadata.cpp
qhexview5/model/qhexutils.cpp
qhexview5/qhexview.cpp
../common/fitparser.cpp
../common/guiddatabase.cpp
../common/nvram.cpp
../common/nvramparser.cpp
../common/meparser.cpp
../common/ffsops.cpp
../common/types.cpp
../common/descriptor.cpp
../common/ffs.cpp
../common/peimage.cpp
../common/utility.cpp
../common/ffsbuilder.cpp
../common/ffsparser.cpp
../common/ffsreport.cpp
../common/treeitem.cpp
../common/treemodel.cpp
../common/LZMA/LzmaCompress.c
../common/LZMA/LzmaDecompress.c
../common/LZMA/SDK/C/CpuArch.c
../common/LZMA/SDK/C/Bra.c
../common/LZMA/SDK/C/Bra86.c
../common/LZMA/SDK/C/LzFind.c
../common/LZMA/SDK/C/LzmaDec.c
../common/LZMA/SDK/C/LzmaEnc.c
../common/Tiano/EfiTianoDecompress.c
../common/Tiano/EfiTianoCompress.c
../common/Tiano/EfiTianoCompressLegacy.c
../common/ustring.cpp
../common/digest/sha1.c
../common/digest/sha256.c
../common/digest/sha512.c
../common/digest/sm3.c
../common/generated/ami_nvar.cpp
../common/generated/intel_acbp_v1.cpp
../common/generated/intel_acbp_v2.cpp
../common/generated/intel_keym_v1.cpp
../common/generated/intel_keym_v2.cpp
../common/generated/intel_acm.cpp
../common/kaitai/kaitaistream.cpp
../common/zlib/adler32.c
../common/zlib/compress.c
../common/zlib/crc32.c
../common/zlib/deflate.c
../common/zlib/gzclose.c
../common/zlib/gzlib.c
../common/zlib/gzread.c
../common/zlib/gzwrite.c
../common/zlib/inflate.c
../common/zlib/infback.c
../common/zlib/inftrees.c
../common/zlib/inffast.c
../common/zlib/trees.c
../common/zlib/uncompr.c
../common/zlib/zutil.c
../common/generated/intel_acbp_v1.cpp
../common/generated/intel_acbp_v2.cpp
../common/generated/intel_keym_v1.cpp
../common/generated/intel_keym_v2.cpp
../common/generated/intel_acm.cpp
../common/kaitai/kaitaistream.cpp
../common/zlib/adler32.c
../common/zlib/compress.c
../common/zlib/crc32.c
../common/zlib/deflate.c
../common/zlib/gzclose.c
../common/zlib/gzlib.c
../common/zlib/gzread.c
../common/zlib/gzwrite.c
../common/zlib/inflate.c
../common/zlib/infback.c
../common/zlib/inftrees.c
../common/zlib/inffast.c
../common/zlib/trees.c
../common/zlib/uncompr.c
../common/zlib/zutil.c
)
QT_ADD_RESOURCES(PROJECT_SOURCES

3
UEFITool/hexviewdialog.cpp
View File

@ -20,9 +20,8 @@ hexView(NULL)
{
// Create UI
ui->setupUi(this);
hexView = new QHexEdit(this);
hexView = new QHexView(this);
hexView->setReadOnly(true);
hexView->setUpperCase(true);
ui->layout->addWidget(hexView);
}

4
UEFITool/hexviewdialog.h
View File

@ -16,7 +16,7 @@
#include <QDialog>
#include "../common/treemodel.h"
#include "qhexedit2/qhexedit.h"
#include "qhexview5/qhexview.h"
#include "ui_hexviewdialog.h"
class HexViewDialog : public QDialog
@ -38,7 +38,7 @@ public:
void setFont(const QFont &font);
private:
QHexEdit * hexView;
QHexView * hexView;
};
#endif // HEXVIEWDIALOG_H

323
UEFITool/qhexedit2/chunks.cpp
View File

@ -1,323 +0,0 @@
#include "chunks.h"
#include <limits.h>
#define NORMAL 0
#define HIGHLIGHTED 1
#define BUFFER_SIZE 0x10000
#define CHUNK_SIZE 0x1000
#define READ_CHUNK_MASK Q_INT64_C(0xfffffffffffff000)
// ***************************************** Constructors and file settings
Chunks::Chunks(QObject *parent): QObject(parent)
{
QBuffer *buf = new QBuffer(this);
setIODevice(*buf);
}
Chunks::Chunks(QIODevice &ioDevice, QObject *parent): QObject(parent)
{
setIODevice(ioDevice);
}
bool Chunks::setIODevice(QIODevice &ioDevice)
{
_ioDevice = &ioDevice;
bool ok = _ioDevice->open(QIODevice::ReadOnly);
if (ok) // Try to open IODevice
{
_size = _ioDevice->size();
_ioDevice->close();
}
else // Fallback is an empty buffer
{
QBuffer *buf = new QBuffer(this);
_ioDevice = buf;
_size = 0;
}
_chunks.clear();
_pos = 0;
return ok;
}
// ***************************************** Getting data out of Chunks
QByteArray Chunks::data(qint64 pos, qint64 maxSize, QByteArray *highlighted)
{
qint64 ioDelta = 0;
int chunkIdx = 0;
Chunk chunk;
QByteArray buffer;
// Do some checks and some arrangements
if (highlighted)
highlighted->clear();
if (pos >= _size)
return buffer;
if (maxSize < 0)
maxSize = _size;
else
if ((pos + maxSize) > _size)
maxSize = _size - pos;
_ioDevice->open(QIODevice::ReadOnly);
while (maxSize > 0)
{
chunk.absPos = LLONG_MAX;
bool chunksLoopOngoing = true;
while ((chunkIdx < _chunks.count()) && chunksLoopOngoing)
{
// In this section, we track changes before our required data and
// we take the editdet data, if availible. ioDelta is a difference
// counter to justify the read pointer to the original data, if
// data in between was deleted or inserted.
chunk = _chunks[chunkIdx];
if (chunk.absPos > pos)
chunksLoopOngoing = false;
else
{
chunkIdx += 1;
qint64 count;
qint64 chunkOfs = pos - chunk.absPos;
if (maxSize > ((qint64)chunk.data.size() - chunkOfs))
{
count = (qint64)chunk.data.size() - chunkOfs;
ioDelta += CHUNK_SIZE - chunk.data.size();
}
else
count = maxSize;
if (count > 0)
{
buffer += chunk.data.mid((int)chunkOfs, (int)count);
maxSize -= count;
pos += count;
if (highlighted)
*highlighted += chunk.dataChanged.mid((int)chunkOfs, (int)count);
}
}
}
if ((maxSize > 0) && (pos < chunk.absPos))
{
// In this section, we read data from the original source. This only will
// happen, whe no copied data is available
qint64 byteCount;
QByteArray readBuffer;
if ((chunk.absPos - pos) > maxSize)
byteCount = maxSize;
else
byteCount = chunk.absPos - pos;
maxSize -= byteCount;
_ioDevice->seek(pos + ioDelta);
readBuffer = _ioDevice->read(byteCount);
buffer += readBuffer;
if (highlighted)
*highlighted += QByteArray(readBuffer.size(), NORMAL);
pos += readBuffer.size();
}
}
_ioDevice->close();
return buffer;
}
bool Chunks::write(QIODevice &iODevice, qint64 pos, qint64 count)
{
if (count == -1)
count = _size;
bool ok = iODevice.open(QIODevice::WriteOnly);
if (ok)
{
for (qint64 idx=pos; idx < count; idx += BUFFER_SIZE)
{
QByteArray ba = data(idx, BUFFER_SIZE);
iODevice.write(ba);
}
iODevice.close();
}
return ok;
}
// ***************************************** Set and get highlighting infos
void Chunks::setDataChanged(qint64 pos, bool dataChanged)
{
if ((pos < 0) || (pos >= _size))
return;
int chunkIdx = getChunkIndex(pos);
qint64 posInBa = pos - _chunks[chunkIdx].absPos;
_chunks[chunkIdx].dataChanged[(int)posInBa] = char(dataChanged);
}
bool Chunks::dataChanged(qint64 pos)
{
QByteArray highlighted;
data(pos, 1, &highlighted);
return bool(highlighted.at(0));
}
// ***************************************** Search API
qint64 Chunks::indexOf(const QByteArray &ba, qint64 from)
{
qint64 result = -1;
QByteArray buffer;
for (qint64 pos=from; (pos < _size) && (result < 0); pos += BUFFER_SIZE)
{
buffer = data(pos, BUFFER_SIZE + ba.size() - 1);
int findPos = (int)buffer.indexOf(ba);
if (findPos >= 0)
result = pos + (qint64)findPos;
}
return result;
}
qint64 Chunks::lastIndexOf(const QByteArray &ba, qint64 from)
{
qint64 result = -1;
QByteArray buffer;
for (qint64 pos=from; (pos > 0) && (result < 0); pos -= BUFFER_SIZE)
{
qint64 sPos = pos - BUFFER_SIZE - (qint64)ba.size() + 1;
if (sPos < 0)
sPos = 0;
buffer = data(sPos, pos - sPos);
int findPos = (int)buffer.lastIndexOf(ba);
if (findPos >= 0)
result = sPos + (qint64)findPos;
}
return result;
}
// ***************************************** Char manipulations
bool Chunks::insert(qint64 pos, char b)
{
if ((pos < 0) || (pos > _size))
return false;
int chunkIdx;
if (pos == _size)
chunkIdx = getChunkIndex(pos-1);
else
chunkIdx = getChunkIndex(pos);
qint64 posInBa = pos - _chunks[chunkIdx].absPos;
_chunks[chunkIdx].data.insert((int)posInBa, b);
_chunks[chunkIdx].dataChanged.insert((int)posInBa, char(1));
for (int idx=chunkIdx+1; idx < _chunks.size(); idx++)
_chunks[idx].absPos += 1;
_size += 1;
_pos = pos;
return true;
}
bool Chunks::overwrite(qint64 pos, char b)
{
if ((pos < 0) || (pos >= _size))
return false;
int chunkIdx = getChunkIndex(pos);
qint64 posInBa = pos - _chunks[chunkIdx].absPos;
_chunks[chunkIdx].data[(int)posInBa] = b;
_chunks[chunkIdx].dataChanged[(int)posInBa] = char(1);
_pos = pos;
return true;
}
bool Chunks::removeAt(qint64 pos)
{
if ((pos < 0) || (pos >= _size))
return false;
int chunkIdx = getChunkIndex(pos);
qint64 posInBa = pos - _chunks[chunkIdx].absPos;
_chunks[chunkIdx].data.remove((int)posInBa, 1);
_chunks[chunkIdx].dataChanged.remove((int)posInBa, 1);
for (int idx=chunkIdx+1; idx < _chunks.size(); idx++)
_chunks[idx].absPos -= 1;
_size -= 1;
_pos = pos;
return true;
}
// ***************************************** Utility functions
char Chunks::operator[](qint64 pos)
{
return data(pos, 1)[0];
}
qint64 Chunks::pos()
{
return _pos;
}
qint64 Chunks::size()
{
return _size;
}
int Chunks::getChunkIndex(qint64 absPos)
{
// This routine checks, if there is already a copied chunk available. If os, it
// returns a reference to it. If there is no copied chunk available, original
// data will be copied into a new chunk.
int foundIdx = -1;
int insertIdx = 0;
qint64 ioDelta = 0;
for (int idx=0; idx < _chunks.size(); idx++)
{
Chunk chunk = _chunks[idx];
if ((absPos >= chunk.absPos) && (absPos < (chunk.absPos + chunk.data.size())))
{
foundIdx = idx;
break;
}
if (absPos < chunk.absPos)
{
insertIdx = idx;
break;
}
ioDelta += chunk.data.size() - CHUNK_SIZE;
insertIdx = idx + 1;
}
if (foundIdx == -1)
{
Chunk newChunk;
qint64 readAbsPos = absPos - ioDelta;
qint64 readPos = (readAbsPos & READ_CHUNK_MASK);
_ioDevice->open(QIODevice::ReadOnly);
_ioDevice->seek(readPos);
newChunk.data = _ioDevice->read(CHUNK_SIZE);
_ioDevice->close();
newChunk.absPos = absPos - (readAbsPos - readPos);
newChunk.dataChanged = QByteArray(newChunk.data.size(), char(0));
_chunks.insert(insertIdx, newChunk);
foundIdx = insertIdx;
}
return foundIdx;
}
#ifdef MODUL_TEST
int Chunks::chunkSize()
{
return _chunks.size();
}
#endif

77
UEFITool/qhexedit2/chunks.h
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@ -1,77 +0,0 @@
#ifndef CHUNKS_H
#define CHUNKS_H
/** \cond docNever */
/*! The Chunks class is the storage backend for QHexEdit.
*
* When QHexEdit loads data, Chunks access them using a QIODevice interface. When the app uses
* a QByteArray interface, QBuffer is used to provide again a QIODevice like interface. No data
* will be changed, therefore Chunks opens the QIODevice in QIODevice::ReadOnly mode. After every
* access Chunks closes the QIODevice, that's why external applications can overwrite files while
* QHexEdit shows them.
*
* When the the user starts to edit the data, Chunks creates a local copy of a chunk of data (4
* kilobytes) and notes all changes there. Parallel to that chunk, there is a second chunk,
* which keep track of which bytes are changed and which not.
*
*/
#include <QtCore>
struct Chunk
{
QByteArray data;
QByteArray dataChanged;
qint64 absPos;
};
class Chunks: public QObject
{
Q_OBJECT
public:
// Constructors and file settings
Chunks(QObject *parent);
Chunks(QIODevice &ioDevice, QObject *parent);
bool setIODevice(QIODevice &ioDevice);
// Getting data out of Chunks
QByteArray data(qint64 pos=0, qint64 count=-1, QByteArray *highlighted=0);
bool write(QIODevice &iODevice, qint64 pos=0, qint64 count=-1);
// Set and get highlighting infos
void setDataChanged(qint64 pos, bool dataChanged);
bool dataChanged(qint64 pos);
// Search API
qint64 indexOf(const QByteArray &ba, qint64 from);
qint64 lastIndexOf(const QByteArray &ba, qint64 from);
// Char manipulations
bool insert(qint64 pos, char b);
bool overwrite(qint64 pos, char b);
bool removeAt(qint64 pos);
// Utility functions
char operator[](qint64 pos);
qint64 pos();
qint64 size();
private:
int getChunkIndex(qint64 absPos);
QIODevice * _ioDevice;
qint64 _pos;
qint64 _size;
QList<Chunk> _chunks;
#ifdef MODUL_TEST
public:
int chunkSize();
#endif
};
/** \endcond docNever */
#endif // CHUNKS_H

167
UEFITool/qhexedit2/commands.cpp
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@ -1,167 +0,0 @@
#include "commands.h"
#include <QUndoCommand>
// Helper class to store single byte commands
class CharCommand : public QUndoCommand
{
public:
enum CCmd {insert, removeAt, overwrite};
CharCommand(Chunks * chunks, CCmd cmd, qint64 charPos, char newChar,
QUndoCommand *parent=0);
void undo();
void redo();
bool mergeWith(const QUndoCommand *command);
int id() const { return 1234; }
private:
Chunks * _chunks;
qint64 _charPos;
bool _wasChanged;
char _newChar;
char _oldChar;
CCmd _cmd;
};
CharCommand::CharCommand(Chunks * chunks, CCmd cmd, qint64 charPos, char newChar, QUndoCommand *parent)
: QUndoCommand(parent)
{
_chunks = chunks;
_charPos = charPos;
_newChar = newChar;
_cmd = cmd;
_wasChanged = false;
_oldChar = ' ';
}
bool CharCommand::mergeWith(const QUndoCommand *command)
{
const CharCommand *nextCommand = static_cast<const CharCommand *>(command);
bool result = false;
if (_cmd != CharCommand::removeAt)
{
if (nextCommand->_cmd == overwrite)
if (nextCommand->_charPos == _charPos)
{
_newChar = nextCommand->_newChar;
result = true;
}
}
return result;
}
void CharCommand::undo()
{
switch (_cmd)
{
case insert:
_chunks->removeAt(_charPos);
break;
case overwrite:
_chunks->overwrite(_charPos, _oldChar);
_chunks->setDataChanged(_charPos, _wasChanged);
break;
case removeAt:
_chunks->insert(_charPos, _oldChar);
_chunks->setDataChanged(_charPos, _wasChanged);
break;
}
}
void CharCommand::redo()
{
switch (_cmd)
{
case insert:
_chunks->insert(_charPos, _newChar);
break;
case overwrite:
_oldChar = (*_chunks)[_charPos];
_wasChanged = _chunks->dataChanged(_charPos);
_chunks->overwrite(_charPos, _newChar);
break;
case removeAt:
_oldChar = (*_chunks)[_charPos];
_wasChanged = _chunks->dataChanged(_charPos);
_chunks->removeAt(_charPos);
break;
}
}
UndoStack::UndoStack(Chunks * chunks, QObject * parent)
: QUndoStack(parent)
{
_chunks = chunks;
_parent = parent;
}
void UndoStack::insert(qint64 pos, char c)
{
if ((pos >= 0) && (pos <= _chunks->size()))
{
QUndoCommand *cc = new CharCommand(_chunks, CharCommand::insert, pos, c);
this->push(cc);
}
}
void UndoStack::insert(qint64 pos, const QByteArray &ba)
{
if ((pos >= 0) && (pos <= _chunks->size()))
{
QString txt = QString(tr("Inserting %1 bytes")).arg(ba.size());
beginMacro(txt);
for (int idx=0; idx < ba.size(); idx++)
{
QUndoCommand *cc = new CharCommand(_chunks, CharCommand::insert, pos + idx, ba.at(idx));
this->push(cc);
}
endMacro();
}
}
void UndoStack::removeAt(qint64 pos, qint64 len)
{
if ((pos >= 0) && (pos < _chunks->size()))
{
if (len==1)
{
QUndoCommand *cc = new CharCommand(_chunks, CharCommand::removeAt, pos, char(0));
this->push(cc);
}
else
{
QString txt = QString(tr("Delete %1 chars")).arg(len);
beginMacro(txt);
for (qint64 cnt=0; cnt<len; cnt++)
{
QUndoCommand *cc = new CharCommand(_chunks, CharCommand::removeAt, pos, char(0));
push(cc);
}
endMacro();
}
}
}
void UndoStack::overwrite(qint64 pos, char c)
{
if ((pos >= 0) && (pos < _chunks->size()))
{
QUndoCommand *cc = new CharCommand(_chunks, CharCommand::overwrite, pos, c);
this->push(cc);
}
}
void UndoStack::overwrite(qint64 pos, int len, const QByteArray &ba)
{
if ((pos >= 0) && (pos < _chunks->size()))
{
QString txt = QString(tr("Overwrite %1 chars")).arg(len);
beginMacro(txt);
removeAt(pos, len);
insert(pos, ba);
endMacro();
}
}

47
UEFITool/qhexedit2/commands.h
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@ -1,47 +0,0 @@
#ifndef COMMANDS_H
#define COMMANDS_H
/** \cond docNever */
#include <QUndoStack>
#include "chunks.h"
/*! CharCommand is a class to provid undo/redo functionality in QHexEdit.
A QUndoCommand represents a single editing action on a document. CharCommand
is responsable for manipulations on single chars. It can insert. overwrite and
remove characters. A manipulation stores allways two actions
1. redo (or do) action
2. undo action.
CharCommand also supports command compression via mergeWidht(). This allows
the user to execute a undo command contation e.g. 3 steps in a single command.
If you for example insert a new byt "34" this means for the editor doing 3
steps: insert a "00", overwrite it with "03" and the overwrite it with "34". These
3 steps are combined into a single step, insert a "34".
The byte array oriented commands are just put into a set of single byte commands,
which are pooled together with the macroBegin() and macroEnd() functionality of
Qt's QUndoStack.
*/
class UndoStack : public QUndoStack
{
Q_OBJECT
public:
UndoStack(Chunks *chunks, QObject * parent=0);
void insert(qint64 pos, char c);
void insert(qint64 pos, const QByteArray &ba);
void removeAt(qint64 pos, qint64 len=1);
void overwrite(qint64 pos, char c);
void overwrite(qint64 pos, int len, const QByteArray &ba);
private:
Chunks * _chunks;
QObject * _parent;
};
/** \endcond docNever */
#endif // COMMANDS_H

502
UEFITool/qhexedit2/license.txt
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@ -1,502 +0,0 @@
GNU LESSER GENERAL PUBLIC LICENSE
Version 2.1, February 1999
Copyright (C) 1991, 1999 Free Software Foundation, Inc.
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
[This is the first released version of the Lesser GPL. It also counts
as the successor of the GNU Library Public License, version 2, hence
the version number 2.1.]
Preamble
The licenses for most software are designed to take away your
freedom to share and change it. By contrast, the GNU General Public
Licenses are intended to guarantee your freedom to share and change
free software--to make sure the software is free for all its users.
This license, the Lesser General Public License, applies to some
specially designated software packages--typically libraries--of the
Free Software Foundation and other authors who decide to use it. You
can use it too, but we suggest you first think carefully about whether
this license or the ordinary General Public License is the better
strategy to use in any particular case, based on the explanations below.
When we speak of free software, we are referring to freedom of use,
not price. Our General Public Licenses are designed to make sure that
you have the freedom to distribute copies of free software (and charge
for this service if you wish); that you receive source code or can get
it if you want it; that you can change the software and use pieces of
it in new free programs; and that you are informed that you can do
these things.
To protect your rights, we need to make restrictions that forbid
distributors to deny you these rights or to ask you to surrender these
rights. These restrictions translate to certain responsibilities for
you if you distribute copies of the library or if you modify it.
For example, if you distribute copies of the library, whether gratis
or for a fee, you must give the recipients all the rights that we gave
you. You must make sure that they, too, receive or can get the source
code. If you link other code with the library, you must provide
complete object files to the recipients, so that they can relink them
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That's all there is to it!

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#ifndef QHEXEDIT_H
#define QHEXEDIT_H
#include <QAbstractScrollArea>
#include <QPen>
#include <QBrush>
#include "chunks.h"
#include "commands.h"
#ifdef QHEXEDIT_EXPORTS
#define QHEXEDIT_API Q_DECL_EXPORT
#elif QHEXEDIT_IMPORTS
#define QHEXEDIT_API Q_DECL_IMPORT
#else
#define QHEXEDIT_API
#endif
/** \mainpage
QHexEdit is a binary editor widget for Qt.
\version Version 0.8.2
\image html qhexedit.png
*/
/** QHexEdit is a hex editor widget written in C++ for the Qt (Qt4, Qt5) framework.
It is a simple editor for binary data, just like QPlainTextEdit is for text
data. There are sip configuration files included, so it is easy to create
bindings for PyQt and you can use this widget also in python 2 and 3.
QHexEdit takes the data of a QByteArray (setData()) and shows it. You can use
the mouse or the keyboard to navigate inside the widget. If you hit the keys
(0..9, a..f) you will change the data. Changed data is highlighted and can be
accessed via data().
Normaly QHexEdit works in the overwrite Mode. You can set overwriteMode(false)
and insert data. In this case the size of data() increases. It is also possible
to delete bytes (del or backspace), here the size of data decreases.
You can select data with keyboard hits or mouse movements. The copy-key will
copy the selected data into the clipboard. The cut-key copies also but delets
it afterwards. In overwrite mode, the paste function overwrites the content of
the (does not change the length) data. In insert mode, clipboard data will be
inserted. The clipboard content is expected in ASCII Hex notation. Unknown
characters will be ignored.
QHexEdit comes with undo/redo functionality. All changes can be undone, by
pressing the undo-key (usually ctr-z). They can also be redone afterwards.
The undo/redo framework is cleared, when setData() sets up a new
content for the editor. You can search data inside the content with indexOf()
and lastIndexOf(). The replace() function is to change located subdata. This
'replaced' data can also be undone by the undo/redo framework.
QHexEdit is based on QIODevice, that's why QHexEdit can handle big amounts of
data. The size of edited data can be more then two gigabytes without any
restrictions.
*/
class QHEXEDIT_API QHexEdit : public QAbstractScrollArea
{
Q_OBJECT
/*! Property address area switch the address area on or off. Set addressArea true
(show it), false (hide it).
*/
Q_PROPERTY(bool addressArea READ addressArea WRITE setAddressArea)
/*! Property address area color sets (setAddressAreaColor()) the backgorund
color of address areas. You can also read the color (addressaAreaColor()).
*/
Q_PROPERTY(QColor addressAreaColor READ addressAreaColor WRITE setAddressAreaColor)
/*! Property addressOffset is added to the Numbers of the Address Area.
A offset in the address area (left side) is sometimes usefull, whe you show
only a segment of a complete memory picture. With setAddressOffset() you set
this property - with addressOffset() you get the current value.
*/
Q_PROPERTY(qint64 addressOffset READ addressOffset WRITE setAddressOffset)
/*! Set and get the minimum width of the address area, width in characters.
*/
Q_PROPERTY(int addressWidth READ addressWidth WRITE setAddressWidth)
/*! Switch the ascii area on (true, show it) or off (false, hide it).
*/
Q_PROPERTY(bool asciiArea READ asciiArea WRITE setAsciiArea)
/*! Set and get bytes number per line.*/
Q_PROPERTY(int bytesPerLine READ bytesPerLine WRITE setBytesPerLine)
/*! Porperty cursorPosition sets or gets the position of the editor cursor
in QHexEdit. Every byte in data has to cursor positions: the lower and upper
Nibble. Maximum cursor position is factor two of data.size().
*/
Q_PROPERTY(qint64 cursorPosition READ cursorPosition WRITE setCursorPosition)
/*! Property data holds the content of QHexEdit. Call setData() to set the
content of QHexEdit, data() returns the actual content. When calling setData()
with a QByteArray as argument, QHexEdit creates a internal copy of the data
If you want to edit big files please use setData(), based on QIODevice.
*/
Q_PROPERTY(QByteArray data READ data WRITE setData NOTIFY dataChanged)
/*! Switch the highlighting feature on or of: true (show it), false (hide it).
*/
Q_PROPERTY(bool highlighting READ highlighting WRITE setHighlighting)
/*! Property highlighting color sets (setHighlightingColor()) the backgorund
color of highlighted text areas. You can also read the color
(highlightingColor()).
*/
Q_PROPERTY(QColor highlightingColor READ highlightingColor WRITE setHighlightingColor)
/*! Porperty overwrite mode sets (setOverwriteMode()) or gets (overwriteMode()) the mode
in which the editor works. In overwrite mode the user will overwrite existing data. The
size of data will be constant. In insert mode the size will grow, when inserting
new data.
*/
Q_PROPERTY(bool overwriteMode READ overwriteMode WRITE setOverwriteMode)
/*! Property selection color sets (setSelectionColor()) the backgorund
color of selected text areas. You can also read the color
(selectionColor()).
*/
Q_PROPERTY(QColor selectionColor READ selectionColor WRITE setSelectionColor)
/*! Property readOnly sets (setReadOnly()) or gets (isReadOnly) the mode
in which the editor works. In readonly mode the the user can only navigate
through the data and select data; modifying is not possible. This
property's default is false.
*/
Q_PROPERTY(bool readOnly READ isReadOnly WRITE setReadOnly)
/*! Property upperCase sets (setUpperCase()) or gets (isUpperCase) the case of hex
data. Default is lowercase.
*/
Q_PROPERTY(bool upperCase READ isUpperCase WRITE setUpperCase)
/*! Set the font of the widget. Please use fixed width fonts like Mono or Courier.*/
Q_PROPERTY(QFont font READ font WRITE setFont)
public:
/*! Creates an instance of QHexEdit.
\param parent Parent widget of QHexEdit.
*/
QHexEdit(QWidget *parent=0);
// Access to data of qhexedit
/*! Sets the data of QHexEdit. The QIODevice will be opend just before reading
and closed immediately afterwards. This is to allow other programs to rewrite
the file while editing it.
*/
bool setData(QIODevice &iODevice);
/*! Gives back the data as a QByteArray starting at position \param pos and
delivering \param count bytes.
*/
QByteArray dataAt(qint64 pos, qint64 count=-1);
/*! Gives back the data into a \param iODevice starting at position \param pos
and delivering \param count bytes.
*/
bool write(QIODevice &iODevice, qint64 pos=0, qint64 count=-1);
// Char handling
/*! Inserts a char.
\param pos Index position, where to insert
\param ch Char, which is to insert
The char will be inserted and size of data grows.
*/
void insert(qint64 pos, char ch);
/*! Removes len bytes from the content.
\param pos Index position, where to remove
\param len Amount of bytes to remove
*/
void remove(qint64 pos, qint64 len=1);
/*! Replaces a char.
\param pos Index position, where to overwrite
\param ch Char, which is to insert
The char will be overwritten and size remains constant.
*/
void replace(qint64 pos, char ch);
// ByteArray handling
/*! Inserts a byte array.
\param pos Index position, where to insert
\param ba QByteArray, which is to insert
The QByteArray will be inserted and size of data grows.
*/
void insert(qint64 pos, const QByteArray &ba);
/*! Replaces \param len bytes with a byte array \param ba
\param pos Index position, where to overwrite
\param ba QByteArray, which is inserted
\param len count of bytes to overwrite
The data is overwritten and size of data may change.
*/
void replace(qint64 pos, qint64 len, const QByteArray &ba);
// Utility functioins
/*! Calc cursor position from graphics position
* \param point from where the cursor position should be calculated
* \return Cursor postioin
*/
qint64 cursorPosition(QPoint point);
/*! Ensure the cursor to be visble
*/
void ensureVisible();
/*! Find first occurence of ba in QHexEdit data
* \param ba Data to find
* \param from Point where the search starts
* \return pos if fond, else -1
*/
qint64 indexOf(const QByteArray &ba, qint64 from);
/*! Returns if any changes where done on document
* \return true when document is modified else false
*/
bool isModified();
/*! Find last occurence of ba in QHexEdit data
* \param ba Data to find
* \param from Point where the search starts
* \return pos if fond, else -1
*/
qint64 lastIndexOf(const QByteArray &ba, qint64 from);
/*! Gives back a formatted image of the selected content of QHexEdit
*/
QString selectionToReadableString();
/*! Set Font of QHexEdit
* \param font
*/
void setFont(const QFont &font);
/*! Gives back a formatted image of the content of QHexEdit
*/
QString toReadableString();
public slots:
/*! Redoes the last operation. If there is no operation to redo, i.e.
there is no redo step in the undo/redo history, nothing happens.
*/
void redo();
/*! Undoes the last operation. If there is no operation to undo, i.e.
there is no undo step in the undo/redo history, nothing happens.
*/
void undo();
signals:
/*! Contains the address, where the cursor is located. */
void currentAddressChanged(qint64 address);
/*! Contains the size of the data to edit. */
void currentSizeChanged(qint64 size);
/*! The signal is emitted every time, the data is changed. */
void dataChanged();
/*! The signal is emitted every time, the overwrite mode is changed. */
void overwriteModeChanged(bool state);
/*! \cond docNever */
public:
~QHexEdit();
// Properties
bool addressArea();
void setAddressArea(bool addressArea);
QColor addressAreaColor();
void setAddressAreaColor(const QColor &color);
qint64 addressOffset();
void setAddressOffset(qint64 addressArea);
int addressWidth();
void setAddressWidth(int addressWidth);
bool asciiArea();
void setAsciiArea(bool asciiArea);
int bytesPerLine();
void setBytesPerLine(int count);
qint64 cursorPosition();
void setCursorPosition(qint64 position);
QByteArray data();
void setData(const QByteArray &ba);
bool highlighting();
void setHighlighting(bool mode);
QColor highlightingColor();
void setHighlightingColor(const QColor &color);
bool overwriteMode();
void setOverwriteMode(bool overwriteMode);
bool isReadOnly();
void setReadOnly(bool readOnly);
bool isUpperCase();
void setUpperCase(bool upperCase);
QColor selectionColor();
void setSelectionColor(const QColor &color);
protected:
// Handle events
void keyPressEvent(QKeyEvent *event);
void mouseMoveEvent(QMouseEvent * event);
void mousePressEvent(QMouseEvent * event);
void paintEvent(QPaintEvent *event);
void resizeEvent(QResizeEvent *);
virtual bool focusNextPrevChild(bool next);
private:
// Handle selections
void resetSelection(qint64 pos); // set selectionStart and selectionEnd to pos
void resetSelection(); // set selectionEnd to selectionStart
void setSelection(qint64 pos); // set min (if below init) or max (if greater init)
int getSelectionBegin();
int getSelectionEnd();
// Private utility functions
void init();
void readBuffers();
QString toReadable(const QByteArray &ba);
private slots:
void adjust(); // recalc pixel positions
void dataChangedPrivate(int idx=0); // emit dataChanged() signal
void refresh(); // ensureVisible() and readBuffers()
void updateCursor(); // update blinking cursor
private:
// Name convention: pixel positions start with _px
int _pxCharWidth, _pxCharHeight; // char dimensions (dpendend on font)
int _pxPosHexX; // X-Pos of HeaxArea
int _pxPosAdrX; // X-Pos of Address Area
int _pxPosAsciiX; // X-Pos of Ascii Area
int _pxGapAdr; // gap left from AddressArea
int _pxGapAdrHex; // gap between AddressArea and HexAerea
int _pxGapHexAscii; // gap between HexArea and AsciiArea
int _pxCursorWidth; // cursor width
int _pxSelectionSub; // offset selection rect
int _pxCursorX; // current cursor pos
int _pxCursorY; // current cursor pos
// Name convention: absolute byte positions in chunks start with _b
qint64 _bSelectionBegin; // first position of Selection
qint64 _bSelectionEnd; // end of Selection
qint64 _bSelectionInit; // memory position of Selection
qint64 _bPosFirst; // position of first byte shown
qint64 _bPosLast; // position of last byte shown
qint64 _bPosCurrent; // current position
// variables to store the property values
bool _addressArea; // left area of QHexEdit
QColor _addressAreaColor;
int _addressWidth;
bool _asciiArea;
qint64 _addressOffset;
int _bytesPerLine;
int _hexCharsInLine;
bool _highlighting;
bool _overwriteMode;
QBrush _brushSelection;
QPen _penSelection;
QBrush _brushHighlighted;
QPen _penHighlighted;
bool _readOnly;
bool _upperCase;
// other variables
bool _editAreaIsAscii; // flag about the ascii mode edited
int _addrDigits; // real no of addressdigits, may be > addressWidth
bool _blink; // help get cursor blinking
QBuffer _bData; // buffer, when setup with QByteArray
Chunks *_chunks; // IODevice based access to data
QTimer _cursorTimer; // for blinking cursor
qint64 _cursorPosition; // absolute position of cursor, 1 Byte == 2 tics
QRect _cursorRect; // physical dimensions of cursor
QByteArray _data; // QHexEdit's data, when setup with QByteArray
QByteArray _dataShown; // data in the current View
QByteArray _hexDataShown; // data in view, transformed to hex
qint64 _lastEventSize; // size, which was emitted last time
QByteArray _markedShown; // marked data in view
bool _modified; // Is any data in editor modified?
int _rowsShown; // lines of text shown
UndoStack * _undoStack; // Stack to store edit actions for undo/redo
/*! \endcond docNever */
};
#endif // QHEXEDIT_H

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The MIT License (MIT)
Copyright (c) 2014 Dax89
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.

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#include "qdevicebuffer.h"
#include <QIODevice>
#include <limits>
QDeviceBuffer::QDeviceBuffer(QObject *parent) : QHexBuffer{parent} { }
QDeviceBuffer::~QDeviceBuffer()
{
if(!m_device) return;
if(m_device->parent() == this)
{
if(m_device->isOpen()) m_device->close();
m_device->deleteLater();
}
m_device = nullptr;
}
uchar QDeviceBuffer::at(qint64 idx)
{
m_device->seek(idx);
char c = '\0';
m_device->getChar(&c);
return static_cast<uchar>(c);
}
qint64 QDeviceBuffer::length() const { return m_device->size(); }
void QDeviceBuffer::insert(qint64 offset, const QByteArray &data)
{
Q_UNUSED(offset)
Q_UNUSED(data)
// Not implemented
}
void QDeviceBuffer::replace(qint64 offset, const QByteArray& data)
{
m_device->seek(offset);
m_device->write(data);
}
void QDeviceBuffer::remove(qint64 offset, int length)
{
Q_UNUSED(offset)
Q_UNUSED(length)
// Not implemented
}
QByteArray QDeviceBuffer::read(qint64 offset, int length)
{
m_device->seek(offset);
return m_device->read(length);
}
bool QDeviceBuffer::read(QIODevice *device)
{
m_device = device;
if(!m_device) return false;
if(!m_device->isOpen()) m_device->open(QIODevice::ReadWrite);
return m_device->isOpen();
}
void QDeviceBuffer::write(QIODevice *device)
{
Q_UNUSED(device)
// Not implemented
}
qint64 QDeviceBuffer::indexOf(const QByteArray& ba, qint64 from)
{
const auto MAX = std::numeric_limits<int>::max();
qint64 idx = -1;
if(from < m_device->size())
{
idx = from;
m_device->seek(from);
while(idx < m_device->size())
{
QByteArray data = m_device->read(MAX);
int sidx = data.indexOf(ba);
if(sidx >= 0)
{
idx += sidx;
break;
}
if(idx + data.size() >= m_device->size()) return -1;
m_device->seek(m_device->pos() + data.size() - ba.size());
}
}
return idx;
}
qint64 QDeviceBuffer::lastIndexOf(const QByteArray& ba, qint64 from)
{
const auto MAX = std::numeric_limits<int>::max();
qint64 idx = -1;
if(from >= 0 && ba.size() < MAX)
{
qint64 currpos = from;
while(currpos >= 0)
{
qint64 readpos = (currpos < MAX) ? 0 : currpos - MAX;
m_device->seek(readpos);
QByteArray data = m_device->read(currpos - readpos);
int lidx = data.lastIndexOf(ba, from);
if(lidx >= 0)
{
idx = readpos + lidx;
break;
}
if(readpos <= 0) break;
currpos = readpos + ba.size();
}
}
return idx;
}

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#pragma once
#include "qhexbuffer.h"
class QDeviceBuffer : public QHexBuffer
{
Q_OBJECT
public:
explicit QDeviceBuffer(QObject *parent = nullptr);
virtual ~QDeviceBuffer();
uchar at(qint64 idx) override;
qint64 length() const override;
void insert(qint64 offset, const QByteArray& data) override;
void replace(qint64 offset, const QByteArray& data) override;
void remove(qint64 offset, int length) override;
QByteArray read(qint64 offset, int length) override;
bool read(QIODevice* device) override;
void write(QIODevice* device) override;
qint64 indexOf(const QByteArray& ba, qint64 from) override;
qint64 lastIndexOf(const QByteArray& ba, qint64 from) override;
protected:
QIODevice* m_device{nullptr};
};

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#include "qhexbuffer.h"
#include <QBuffer>
QHexBuffer::QHexBuffer(QObject *parent) : QObject{parent} { }
uchar QHexBuffer::at(qint64 idx) { return this->read(idx, 1).at(0); }
bool QHexBuffer::isEmpty() const { return this->length() <= 0; }
void QHexBuffer::replace(qint64 offset, const QByteArray &data)
{
this->remove(offset, data.length());
this->insert(offset, data);
}
void QHexBuffer::read(char *data, int size)
{
QBuffer* buffer = new QBuffer(this);
buffer->setData(data, size);
if(!buffer->isOpen())
buffer->open(QBuffer::ReadWrite);
this->read(buffer);
}
void QHexBuffer::read(const QByteArray &ba)
{
QBuffer* buffer = new QBuffer(this);
buffer->setData(ba);
if(!buffer->isOpen())
buffer->open(QBuffer::ReadWrite);
this->read(buffer);
}

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#pragma once
#include <QObject>
#include <QIODevice>
class QHexBuffer : public QObject
{
Q_OBJECT
public:
explicit QHexBuffer(QObject *parent = nullptr);
bool isEmpty() const;
public:
virtual uchar at(qint64 idx);
virtual void replace(qint64 offset, const QByteArray& data);
virtual void read(char* data, int size);
virtual void read(const QByteArray& ba);
public:
virtual qint64 length() const = 0;
virtual void insert(qint64 offset, const QByteArray& data) = 0;
virtual void remove(qint64 offset, int length) = 0;
virtual QByteArray read(qint64 offset, int length) = 0;
virtual bool read(QIODevice* iodevice) = 0;
virtual void write(QIODevice* iodevice) = 0;
virtual qint64 indexOf(const QByteArray& ba, qint64 from) = 0;
virtual qint64 lastIndexOf(const QByteArray& ba, qint64 from) = 0;
};

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#include "qmemorybuffer.h"
#include <QIODevice>
QMemoryBuffer::QMemoryBuffer(QObject *parent) : QHexBuffer{parent} { }
uchar QMemoryBuffer::at(qint64 idx) { return static_cast<uchar>(m_buffer.at(idx)); }
qint64 QMemoryBuffer::length() const { return static_cast<qint64>(m_buffer.length()); }
void QMemoryBuffer::insert(qint64 offset, const QByteArray &data) { m_buffer.insert(static_cast<int>(offset), data); }
void QMemoryBuffer::remove(qint64 offset, int length) { m_buffer.remove(static_cast<int>(offset), length); }
QByteArray QMemoryBuffer::read(qint64 offset, int length) { return m_buffer.mid(static_cast<int>(offset), length); }
bool QMemoryBuffer::read(QIODevice *device)
{
m_buffer = device->readAll();
return true;
}
void QMemoryBuffer::write(QIODevice *device) { device->write(m_buffer); }
qint64 QMemoryBuffer::indexOf(const QByteArray& ba, qint64 from) { return m_buffer.indexOf(ba, static_cast<int>(from)); }
qint64 QMemoryBuffer::lastIndexOf(const QByteArray& ba, qint64 from) { return m_buffer.lastIndexOf(ba, static_cast<int>(from)); }

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#pragma once
#include "qhexbuffer.h"
class QMemoryBuffer : public QHexBuffer
{
Q_OBJECT
public:
explicit QMemoryBuffer(QObject *parent = nullptr);
uchar at(qint64 idx) override;
qint64 length() const override;
void insert(qint64 offset, const QByteArray& data) override;
void remove(qint64 offset, int length) override;
QByteArray read(qint64 offset, int length) override;
bool read(QIODevice* device) override;
void write(QIODevice* device) override;
qint64 indexOf(const QByteArray& ba, qint64 from) override;
qint64 lastIndexOf(const QByteArray& ba, qint64 from) override;
private:
QByteArray m_buffer;
};

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#include "hexcommand.h"
HexCommand::HexCommand(QHexBuffer *buffer, QHexDocument* document, QUndoCommand *parent): QUndoCommand(parent), m_hexdocument(document), m_buffer(buffer), m_offset(0), m_length(0) { }

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#pragma once
#include <QUndoCommand>
#include "../buffer/qhexbuffer.h"
class QHexDocument;
class HexCommand: public QUndoCommand
{
public:
HexCommand(QHexBuffer* buffer, QHexDocument* document, QUndoCommand* parent = nullptr);
protected:
QHexDocument* m_hexdocument;
QHexBuffer* m_buffer;
qint64 m_offset;
int m_length;
QByteArray m_data;
};

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#include "insertcommand.h"
#include "../qhexdocument.h"
InsertCommand::InsertCommand(QHexBuffer *buffer, QHexDocument* document, qint64 offset, const QByteArray &data, QUndoCommand *parent): HexCommand(buffer, document, parent)
{
m_offset = offset;
m_data = data;
}
void InsertCommand::undo()
{
m_buffer->remove(m_offset, m_data.length());
Q_EMIT m_hexdocument->dataChanged(m_data, m_offset, QHexDocument::ChangeReason::Remove);
}
void InsertCommand::redo() { m_buffer->insert(m_offset, m_data); }

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#pragma once
#include "hexcommand.h"
class InsertCommand: public HexCommand
{
public:
InsertCommand(QHexBuffer* buffer, QHexDocument* document, qint64 offset, const QByteArray& data, QUndoCommand* parent = nullptr);
void undo() override;
void redo() override;
};

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#include "removecommand.h"
#include "../qhexdocument.h"
RemoveCommand::RemoveCommand(QHexBuffer *buffer, QHexDocument* document, qint64 offset, int length, QUndoCommand *parent): HexCommand(buffer, document, parent)
{
m_offset = offset;
m_length = length;
}
void RemoveCommand::undo()
{
m_buffer->insert(m_offset, m_data);
Q_EMIT m_hexdocument->dataChanged(m_data, m_offset, QHexDocument::ChangeReason::Insert);
}
void RemoveCommand::redo()
{
m_data = m_buffer->read(m_offset, m_length); // Backup data
m_buffer->remove(m_offset, m_length);
}

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#pragma once
#include "hexcommand.h"
class RemoveCommand: public HexCommand
{
public:
RemoveCommand(QHexBuffer* buffer, QHexDocument* document, qint64 offset, int length, QUndoCommand* parent = nullptr);
void undo() override;
void redo() override;
};

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#include "replacecommand.h"
#include "../qhexdocument.h"
ReplaceCommand::ReplaceCommand(QHexBuffer *buffer, QHexDocument* document, qint64 offset, const QByteArray &data, QUndoCommand *parent): HexCommand(buffer, document, parent)
{
m_offset = offset;
m_data = data;
}
void ReplaceCommand::undo()
{
m_buffer->replace(m_offset, m_olddata);
Q_EMIT m_hexdocument->dataChanged(m_olddata, m_offset, QHexDocument::ChangeReason::Replace);
}
void ReplaceCommand::redo()
{
m_olddata = m_buffer->read(m_offset, m_data.length());
m_buffer->replace(m_offset, m_data);
}

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#pragma once
#include "hexcommand.h"
class ReplaceCommand: public HexCommand
{
public:
ReplaceCommand(QHexBuffer* buffer, QHexDocument* document, qint64 offset, const QByteArray& data, QUndoCommand* parent = nullptr);
void undo() override;
void redo() override;
private:
QByteArray m_olddata;
};

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#include "../qhexview.h"
#include "qhexcursor.h"
#include "qhexdocument.h"
/*
* https://stackoverflow.com/questions/10803043/inverse-column-row-major-order-transformation
*
* If the index is calculated as:
* offset = row + column*NUMROWS
* then the inverse would be:
* row = offset % NUMROWS
* column = offset / NUMROWS
* where % is modulus, and / is integer division.
*/
QHexCursor::QHexCursor(const QHexOptions* options, QHexView* parent) : QObject(parent), m_options(options) { }
QHexView* QHexCursor::hexView() const { return qobject_cast<QHexView*>(this->parent()); }
QHexCursor::Mode QHexCursor::mode() const { return m_mode; }
qint64 QHexCursor::offset() const { return this->positionToOffset(m_position); }
qint64 QHexCursor::address() const { return m_options->baseaddress + this->offset(); }
quint64 QHexCursor::lineAddress() const { return m_options->baseaddress + (m_position.line * m_options->linelength); }
qint64 QHexCursor::selectionStartOffset() const { return this->positionToOffset(this->selectionStart()); }
qint64 QHexCursor::selectionEndOffset() const { return this->positionToOffset(this->selectionEnd()); }
qint64 QHexCursor::line() const { return m_position.line; }
qint64 QHexCursor::column() const { return m_position.column; }
QHexPosition QHexCursor::selectionStart() const
{
if(m_position.line < m_selection.line)
return m_position;
if(m_position.line == m_selection.line)
{
if(m_position.column < m_selection.column)
return m_position;
}
return m_selection;
}
QHexPosition QHexCursor::selectionEnd() const
{
if(m_position.line > m_selection.line)
return m_position;
if(m_position.line == m_selection.line)
{
if(m_position.column > m_selection.column)
return m_position;
}
return m_selection;
}
qint64 QHexCursor::selectionLength() const
{
auto selstart = this->selectionStartOffset(), selend = this->selectionEndOffset();
return selstart == selend ? 0 : selend - selstart + 1;
}
QHexPosition QHexCursor::position() const { return m_position; }
QByteArray QHexCursor::selectedBytes() const { return this->hexView()->selectedBytes(); }
bool QHexCursor::hasSelection() const { return m_position != m_selection; }
bool QHexCursor::isSelected(qint64 line, qint64 column) const
{
if(!this->hasSelection()) return false;
auto selstart = this->selectionStart(), selend = this->selectionEnd();
if(line > selstart.line && line < selend.line) return true;
if(line == selstart.line && line == selend.line) return column >= selstart.column && column <= selend.column;
if(line == selstart.line) return column >= selstart.column;
if(line == selend.line) return column <= selend.column;
return false;
}
void QHexCursor::setMode(Mode m)
{
if(m_mode == m) return;
m_mode = m;
Q_EMIT modeChanged();
}
void QHexCursor::switchMode()
{
switch(m_mode)
{
case Mode::Insert: this->setMode(Mode::Overwrite); break;
case Mode::Overwrite: this->setMode(Mode::Insert); break;
}
}
void QHexCursor::move(qint64 offset) { this->move(this->offsetToPosition(offset)); }
void QHexCursor::move(qint64 line, qint64 column) { return this->move({line, column}); }
void QHexCursor::move(QHexPosition pos)
{
if(pos.line >= 0) m_selection.line = pos.line;
if(pos.column >= 0) m_selection.column = pos.column;
this->select(pos);
}
void QHexCursor::select(qint64 offset) { this->select(this->offsetToPosition(offset)); }
void QHexCursor::select(qint64 line, qint64 column) { this->select({line, column}); }
void QHexCursor::select(QHexPosition pos)
{
if(pos.line >= 0) m_position.line = pos.line;
if(pos.column >= 0) m_position.column = pos.column;
Q_EMIT positionChanged();
}
void QHexCursor::selectSize(qint64 length)
{
if(length > 0) length--;
else if(length < 0) length++;
if(length) this->select(this->offset() + length);
}
qint64 QHexCursor::replace(const QVariant& oldvalue, const QVariant& newvalue, qint64 offset, QHexFindMode mode, unsigned int options, QHexFindDirection fd) const { return this->hexView()->replace(oldvalue, newvalue, offset, mode, options, fd); }
qint64 QHexCursor::find(const QVariant& value, qint64 offset, QHexFindMode mode, unsigned int options, QHexFindDirection fd) const { return this->hexView()->find(value, offset, mode, options, fd); }
void QHexCursor::cut(bool hex) { this->hexView()->cut(hex); }
void QHexCursor::copy(bool hex) const { this->hexView()->copy(hex); }
void QHexCursor::paste(bool hex) { this->hexView()->paste(hex); }
void QHexCursor::selectAll() { this->hexView()->selectAll(); }
void QHexCursor::removeSelection() { this->hexView()->removeSelection(); }
void QHexCursor::clearSelection() { m_position = m_selection; Q_EMIT positionChanged(); }
qint64 QHexCursor::positionToOffset(QHexPosition pos) const { return QHexUtils::positionToOffset(m_options, pos); }
QHexPosition QHexCursor::offsetToPosition(qint64 offset) const { return QHexUtils::offsetToPosition(m_options, offset); }

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#pragma once
#include <QObject>
#include "qhexoptions.h"
#include "qhexutils.h"
class QHexView;
class QHexCursor : public QObject
{
Q_OBJECT
public:
enum class Mode { Overwrite, Insert };
private:
explicit QHexCursor(const QHexOptions* options, QHexView *parent = nullptr);
public:
QHexView* hexView() const;
Mode mode() const;
qint64 line() const;
qint64 column() const;
qint64 offset() const;
qint64 address() const;
quint64 lineAddress() const;
qint64 selectionStartOffset() const;
qint64 selectionEndOffset() const;
qint64 selectionLength() const;
QHexPosition position() const;
QHexPosition selectionStart() const;
QHexPosition selectionEnd() const;
QByteArray selectedBytes() const;
bool hasSelection() const;
bool isSelected(qint64 line, qint64 column) const;
void setMode(Mode m);
void move(qint64 offset);
void move(qint64 line, qint64 column);
void move(QHexPosition pos);
void select(qint64 offset);
void select(qint64 line, qint64 column);
void select(QHexPosition pos);
void selectSize(qint64 length);
qint64 replace(const QVariant& oldvalue, const QVariant& newvalue, qint64 offset, QHexFindMode mode = QHexFindMode::Text, unsigned int options = QHexFindOptions::None, QHexFindDirection fd = QHexFindDirection::Forward) const;
qint64 find(const QVariant& value, qint64 offset, QHexFindMode mode = QHexFindMode::Text, unsigned int options = QHexFindOptions::None, QHexFindDirection fd = QHexFindDirection::Forward) const;
qint64 positionToOffset(QHexPosition pos) const;
QHexPosition offsetToPosition(qint64 offset) const;
public Q_SLOTS:
void cut(bool hex = false);
void copy(bool hex = false) const;
void paste(bool hex = false);
void selectAll();
void removeSelection();
void clearSelection();
void switchMode();
Q_SIGNALS:
void positionChanged();
void modeChanged();
private:
const QHexOptions* m_options;
Mode m_mode{Mode::Overwrite};
QHexPosition m_position{}, m_selection{};
friend class QHexView;
};

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#include "../qhexview.h"
#include "qhexdelegate.h"
QHexDelegate::QHexDelegate(QObject* parent): QObject{parent} { }
QString QHexDelegate::addressHeader(const QHexView* hexview) const
{
Q_UNUSED(hexview);
return QString();
}
QString QHexDelegate::hexHeader(const QHexView* hexview) const
{
Q_UNUSED(hexview);
return QString();
}
QString QHexDelegate::asciiHeader(const QHexView* hexview) const
{
Q_UNUSED(hexview);
return QString();
}
void QHexDelegate::renderAddress(quint64 address, QTextCharFormat& cf, const QHexView* hexview) const
{
Q_UNUSED(address);
Q_UNUSED(hexview);
Q_UNUSED(cf);
Q_UNUSED(hexview);
}
void QHexDelegate::renderHeader(QTextBlockFormat& bf, const QHexView* hexview) const
{
Q_UNUSED(bf);
Q_UNUSED(hexview);
}
void QHexDelegate::renderHeaderPart(const QString& s, QHexArea area, QTextCharFormat& cf, const QHexView* hexview) const
{
Q_UNUSED(s);
Q_UNUSED(area);
Q_UNUSED(cf);
Q_UNUSED(hexview);
}
bool QHexDelegate::render(quint64 offset, quint8 b, QTextCharFormat& outcf, const QHexView* hexview) const
{
Q_UNUSED(offset);
Q_UNUSED(b);
Q_UNUSED(outcf);
Q_UNUSED(hexview);
return false;
}
bool QHexDelegate::paintSeparator(QPainter* painter, QLineF line, const QHexView* hexview) const
{
Q_UNUSED(painter);
Q_UNUSED(line);
Q_UNUSED(hexview);
return false;
}
void QHexDelegate::paint(QPainter* painter, const QHexView* hexview) const
{
Q_UNUSED(hexview);
hexview->paint(painter);
}

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#pragma once
#include <QTextCharFormat>
#include <QObject>
#include "qhexutils.h"
class QHexView;
class QHexDelegate: public QObject
{
Q_OBJECT
public:
explicit QHexDelegate(QObject* parent = nullptr);
virtual ~QHexDelegate() = default;
virtual QString addressHeader(const QHexView* hexview) const;
virtual QString hexHeader(const QHexView* hexview) const;
virtual QString asciiHeader(const QHexView* hexview) const;
virtual void renderAddress(quint64 address, QTextCharFormat& cf, const QHexView* hexview) const;
virtual void renderHeader(QTextBlockFormat& bf, const QHexView* hexview) const;
virtual void renderHeaderPart(const QString& s, QHexArea area, QTextCharFormat& cf, const QHexView* hexview) const;
virtual bool render(quint64 offset, quint8 b, QTextCharFormat& outcf, const QHexView* hexview) const;
virtual bool paintSeparator(QPainter* painter, QLineF line, const QHexView* hexview) const;
virtual void paint(QPainter* painter, const QHexView* hexview) const;
};

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#include "qhexdocument.h"
#include "buffer/qmemorybuffer.h"
#include "commands/insertcommand.h"
#include "commands/replacecommand.h"
#include "commands/removecommand.h"
#include "qhexutils.h"
#include <QBuffer>
#include <QFile>
#include <cmath>
QHexDocument::QHexDocument(QHexBuffer *buffer, QObject* parent): QObject(parent)
{
m_buffer = buffer;
m_buffer->setParent(this); // Take Ownership
connect(&m_undostack, &QUndoStack::canUndoChanged, this, &QHexDocument::canUndoChanged);
connect(&m_undostack, &QUndoStack::canRedoChanged, this, &QHexDocument::canRedoChanged);
}
qint64 QHexDocument::indexOf(const QByteArray& ba, qint64 from) { return m_buffer->indexOf(ba, from); }
qint64 QHexDocument::lastIndexOf(const QByteArray& ba, qint64 from) { return m_buffer->lastIndexOf(ba, from); }
bool QHexDocument::isEmpty() const { return m_buffer->isEmpty(); }
bool QHexDocument::canUndo() const { return m_undostack.canUndo(); }
bool QHexDocument::canRedo() const { return m_undostack.canRedo(); }
void QHexDocument::setData(const QByteArray& ba)
{
QHexBuffer* mb = new QMemoryBuffer();
mb->read(ba);
this->setData(mb);
}
void QHexDocument::setData(QHexBuffer* buffer)
{
if(!buffer) return;
m_undostack.clear();
buffer->setParent(this);
auto* oldbuffer = m_buffer;
m_buffer = buffer;
if(oldbuffer) oldbuffer->deleteLater();
Q_EMIT canUndoChanged(false);
Q_EMIT canRedoChanged(false);
Q_EMIT changed();
Q_EMIT reset();
}
qint64 QHexDocument::length() const { return m_buffer ? m_buffer->length() : 0; }
uchar QHexDocument::at(int offset) const { return m_buffer->at(offset); }
QHexDocument* QHexDocument::fromFile(QString filename, QObject* parent)
{
QFile f(filename);
f.open(QFile::ReadOnly);
return QHexDocument::fromMemory<QMemoryBuffer>(f.readAll(), parent);
}
void QHexDocument::undo() { m_undostack.undo(); Q_EMIT changed(); }
void QHexDocument::redo() { m_undostack.redo(); Q_EMIT changed(); }
void QHexDocument::insert(qint64 offset, uchar b) { this->insert(offset, QByteArray(1, b)); }
void QHexDocument::replace(qint64 offset, uchar b) { this->replace(offset, QByteArray(1, b)); }
void QHexDocument::insert(qint64 offset, const QByteArray &data)
{
m_undostack.push(new InsertCommand(m_buffer, this, offset, data));
Q_EMIT changed();
Q_EMIT dataChanged(data, offset, ChangeReason::Insert);
}
void QHexDocument::replace(qint64 offset, const QByteArray &data)
{
m_undostack.push(new ReplaceCommand(m_buffer, this, offset, data));
Q_EMIT changed();
Q_EMIT dataChanged(data, offset, ChangeReason::Replace);
}
void QHexDocument::remove(qint64 offset, int len)
{
QByteArray data = m_buffer->read(offset, len);
m_undostack.push(new RemoveCommand(m_buffer, this, offset, len));
Q_EMIT changed();
Q_EMIT dataChanged(data, offset, ChangeReason::Remove);
}
QByteArray QHexDocument::read(qint64 offset, int len) const { return m_buffer->read(offset, len); }
bool QHexDocument::saveTo(QIODevice *device)
{
if(!device->isWritable()) return false;
m_buffer->write(device);
return true;
}
QHexDocument* QHexDocument::fromBuffer(QHexBuffer* buffer, QObject* parent) { return new QHexDocument(buffer, parent); }
QHexDocument* QHexDocument::create(QObject* parent) { return QHexDocument::fromMemory<QMemoryBuffer>({}, parent); }

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#pragma once
#include <QUndoStack>
#include "buffer/qhexbuffer.h"
#include "qhexmetadata.h"
#include "qhexoptions.h"
class QHexCursor;
class QHexDocument: public QObject
{
Q_OBJECT
public:
enum class ChangeReason { Insert, Remove, Replace };
enum class FindDirection { Forward, Backward };
Q_ENUM(ChangeReason);
Q_ENUM(FindDirection);
private:
explicit QHexDocument(QHexBuffer* buffer, QObject *parent = nullptr);
public:
bool isEmpty() const;
bool canUndo() const;
bool canRedo() const;
void setData(const QByteArray& ba);
void setData(QHexBuffer* buffer);
qint64 length() const;
qint64 indexOf(const QByteArray& ba, qint64 from = 0);
qint64 lastIndexOf(const QByteArray& ba, qint64 from = 0);
QByteArray read(qint64 offset, int len = 0) const;
uchar at(int offset) const;
public Q_SLOTS:
void undo();
void redo();
void insert(qint64 offset, uchar b);
void replace(qint64 offset, uchar b);
void insert(qint64 offset, const QByteArray& data);
void replace(qint64 offset, const QByteArray& data);
void remove(qint64 offset, int len);
bool saveTo(QIODevice* device);
public:
template<typename T, bool Owned = true> static QHexDocument* fromDevice(QIODevice* iodevice, QObject* parent = nullptr);
template<typename T> static QHexDocument* fromMemory(char *data, int size, QObject* parent = nullptr);
template<typename T> static QHexDocument* fromMemory(const QByteArray& ba, QObject* parent = nullptr);
static QHexDocument* fromBuffer(QHexBuffer* buffer, QObject* parent = nullptr);
static QHexDocument* fromFile(QString filename, QObject* parent = nullptr);
static QHexDocument* create(QObject* parent = nullptr);
Q_SIGNALS:
void canUndoChanged(bool canundo);
void canRedoChanged(bool canredo);
void dataChanged(const QByteArray& data, quint64 offset, QHexDocument::ChangeReason reason);
void changed();
void reset();
private:
QHexBuffer* m_buffer;
QUndoStack m_undostack;
friend class QHexView;
};
template<typename T, bool Owned>
QHexDocument* QHexDocument::fromDevice(QIODevice* iodevice, QObject *parent)
{
QHexBuffer* hexbuffer = new T(parent);
if(Owned) iodevice->setParent(hexbuffer);
return hexbuffer->read(iodevice) ? new QHexDocument(hexbuffer, parent) : nullptr;
}
template<typename T>
QHexDocument* QHexDocument::fromMemory(char *data, int size, QObject *parent)
{
QHexBuffer* hexbuffer = new T();
hexbuffer->read(data, size);
return new QHexDocument(hexbuffer, parent);
}
template<typename T>
QHexDocument* QHexDocument::fromMemory(const QByteArray& ba, QObject *parent)
{
QHexBuffer* hexbuffer = new T();
hexbuffer->read(ba);
return new QHexDocument(hexbuffer, parent);
}

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#include "qhexmetadata.h"
#include "qhexcursor.h"
QHexMetadata::QHexMetadata(const QHexOptions* options, QObject *parent) : QObject(parent), m_options(options) { }
const QHexMetadataLine* QHexMetadata::find(qint64 line) const
{
auto it = m_metadata.find(line);
return it != m_metadata.end() ? std::addressof(it.value()) : nullptr;
}
QString QHexMetadata::getComment(qint64 line, qint64 column) const
{
auto* metadataline = this->find(line);
if(!metadataline) return QString();
auto offset = QHexUtils::positionToOffset(m_options, {line, column});
QStringList comments;
for(auto& mi : *metadataline)
{
if((offset < mi.begin || offset > mi.end) || mi.comment.isEmpty()) continue;
comments.push_back(mi.comment);
}
return comments.join("\n");
}
void QHexMetadata::removeMetadata(qint64 line)
{
auto it = m_metadata.find(line);
if(it == m_metadata.end()) return;
m_metadata.erase(it);
Q_EMIT changed();
}
void QHexMetadata::removeBackground(qint64 line)
{
this->clearMetadata(line, [](QHexMetadataItem& mi) -> bool {
if(!mi.background.isValid()) return false;
if(mi.foreground.isValid() || !mi.comment.isEmpty()) {
mi.background = QColor();
return false;
}
return true;
});
}
void QHexMetadata::removeForeground(qint64 line)
{
this->clearMetadata(line, [](QHexMetadataItem& mi) -> bool {
if(!mi.foreground.isValid()) return false;
if(mi.background.isValid() || !mi.comment.isEmpty()) {
mi.foreground = QColor();
return false;
}
return true;
});
}
void QHexMetadata::removeComments(qint64 line)
{
this->clearMetadata(line, [](QHexMetadataItem& mi) -> bool {
if(mi.comment.isEmpty()) return false;
if(mi.foreground.isValid() || mi.background.isValid()) {
mi.comment.clear();
return false;
}
return true;
});
}
void QHexMetadata::unhighlight(qint64 line)
{
this->clearMetadata(line, [](QHexMetadataItem& mi) -> bool {
if(!mi.foreground.isValid() && !mi.background.isValid()) return false;
if(!mi.comment.isEmpty()) {
mi.foreground = QColor();
mi.background = QColor();
return false;
}
return true;
});
}
void QHexMetadata::clear() { m_metadata.clear(); Q_EMIT changed(); }
void QHexMetadata::copy(const QHexMetadata* metadata) { m_metadata = metadata->m_metadata; }
void QHexMetadata::clearMetadata(qint64 line, ClearMetadataCallback&& cb)
{
auto iit = m_metadata.find(line);
if(iit == m_metadata.end()) return;
auto oldsize = iit->size();
for(auto it = iit->begin(); it != iit->end(); )
{
if(cb(*it)) it = iit->erase(it);
else it++;
}
if(iit->empty())
{
this->removeMetadata(line);
return;
}
if(oldsize != iit->size()) Q_EMIT changed();
}
void QHexMetadata::setMetadata(const QHexMetadataItem& mi)
{
if(!m_options->linelength) return;
const qint64 firstline = mi.begin / m_options->linelength;
const qint64 lastline = mi.end / m_options->linelength;
bool notify = false;
for(auto line = firstline; line <= lastline; line++)
{
auto start = line == firstline ? mi.begin % m_options->linelength : 0;
auto length = line == lastline ? (mi.end % m_options->linelength) - start : m_options->linelength;
if(length <= 0) continue;
notify = true;
m_metadata[line].push_back(mi);
}
if(notify) Q_EMIT changed();
}
void QHexMetadata::invalidate()
{
auto oldmetadata = m_metadata;
m_metadata.clear();
for(const QHexMetadataLine& line : oldmetadata)
for(const QHexMetadataItem& mi : line)
this->setMetadata(mi);
}

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#pragma once
#include <functional>
#include <QObject>
#include <QHash>
#include <QList>
#include <QColor>
#include "qhexoptions.h"
struct QHexMetadataItem
{
qint64 begin, end;
QColor foreground, background;
QString comment;
};
using QHexMetadataLine = QList<QHexMetadataItem>;
class QHexMetadata : public QObject
{
Q_OBJECT
private:
using ClearMetadataCallback = std::function<bool(QHexMetadataItem&)>;
private:
explicit QHexMetadata(const QHexOptions* options, QObject *parent = nullptr);
public:
const QHexMetadataLine* find(qint64 line) const;
QString getComment(qint64 line, qint64 column) const;
void removeMetadata(qint64 line);
void removeBackground(qint64 line);
void removeForeground(qint64 line);
void removeComments(qint64 line);
void unhighlight(qint64 line);
void clear();
public:
inline void setMetadata(qint64 begin, qint64 end, const QColor &fgcolor, const QColor &bgcolor, const QString &comment) { this->setMetadata({begin, end, fgcolor, bgcolor, comment}); }
inline void setForeground(qint64 begin, qint64 end, const QColor &fgcolor) { this->setMetadata(begin, end, fgcolor, QColor(), QString()); }
inline void setBackground(qint64 begin, qint64 end, const QColor &bgcolor) { this->setMetadata(begin, end, QColor(), bgcolor, QString()); }
inline void setComment(qint64 begin, qint64 end, const QString& comment) { this->setMetadata(begin, end, QColor(), QColor(), comment); };
inline void setMetadataSize(qint64 begin, qint64 length, const QColor &fgcolor, const QColor &bgcolor, const QString &comment) { this->setMetadata({begin, begin + length, fgcolor, bgcolor, comment}); }
inline void setForegroundSize(qint64 begin, qint64 length, const QColor &fgcolor) { this->setForeground(begin, begin + length, fgcolor); }
inline void setBackgroundSize(qint64 begin, qint64 length, const QColor &bgcolor) { this->setBackground(begin, begin + length, bgcolor); }
inline void setCommentSize(qint64 begin, qint64 length, const QString& comment) { this->setComment(begin, begin + length, comment); };
private:
void copy(const QHexMetadata* metadata);
void clearMetadata(qint64 line, ClearMetadataCallback&& cb);
void setMetadata(const QHexMetadataItem& mi);
void invalidate();
Q_SIGNALS:
void changed();
void cleared();
private:
QHash<qint64, QHexMetadataLine> m_metadata;
const QHexOptions* m_options;
friend class QHexView;
};

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#pragma once
#include <QHash>
#include <QColor>
#include <QChar>
namespace QHexFlags {
enum: unsigned int {
None = (1 << 0),
HSeparator = (1 << 1),
VSeparator = (1 << 2),
StyledHeader = (1 << 3),
StyledAddress = (1 << 4),
NoHeader = (1 << 5),
HighlightAddress = (1 << 6),
HighlightColumn = (1 << 7),
Separators = HSeparator | VSeparator,
Styled = StyledHeader | StyledAddress,
};
}
struct QHexColor
{
QColor foreground;
QColor background;
};
struct QHexOptions
{
// Appearance
QChar unprintablechar{'.'};
QString addresslabel{""};
QString hexlabel;
QString asciilabel;
quint64 baseaddress{0};
unsigned int flags{QHexFlags::None};
unsigned int linelength{0x10};
unsigned int addresswidth{0};
unsigned int grouplength{1};
unsigned int scrollsteps{1};
// Colors & Styles
QHash<quint8, QHexColor> bytecolors;
QColor linealternatebackground;
QColor linebackground;
QColor headercolor;
QColor commentcolor;
QColor separatorcolor;
// Misc
bool copybreak{true};
inline bool hasFlag(unsigned int flag) const { return flags & flag; }
};

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#include "qhexutils.h"
#include "qhexoptions.h"
#include "../qhexview.h"
#include <QGlobalStatic>
#include <QDataStream>
#include <QtEndian>
#include <QList>
#include <QHash>
#include <limits>
#include <cctype>
#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
#define QHEXVIEW_VARIANT_EQ(x, t) ((x).metaType().id() == QMetaType::Q##t)
#else
#define QHEXVIEW_VARIANT_EQ(x, t) ((x).type() == QVariant::t)
#endif
namespace QHexUtils {
Q_GLOBAL_STATIC_WITH_ARGS(QList<char>, HEXMAP, ({
'0', '1', '2', '3', '4', '5', '6', '7',
'8', '9', 'a', 'b', 'c', 'd', 'e', 'f'
}));
namespace PatternUtils {
Q_GLOBAL_STATIC_WITH_ARGS(QString, WILDCARD_BYTE, ("??"))
bool check(QString& p, qint64& len)
{
static QHash<QString, QPair<QString, size_t>> processed; // Cache processed patterns
auto it = processed.find(p);
if(it != processed.end())
{
p = it.value().first;
len = it.value().second;
return true;
}
QString op = p; // Store unprocessed pattern
p = p.simplified().replace(" ", "");
if(p.isEmpty() || (p.size() % 2)) return false;
int wccount = 0;
for(auto i = 0; i < p.size() - 2; i += 2)
{
const auto& hexb = p.mid(i, 2);
if(hexb == *WILDCARD_BYTE)
{
wccount++;
continue;
}
if(!isxdigit(hexb.at(0).toLatin1()) || !isxdigit(hexb.at(1).toLatin1()))
return false;
}
if(wccount >= p.size()) return false;
len = p.size() / 2;
processed[op] = qMakePair(p, len); // Cache processed pattern
return true;
}
bool match(const QByteArray& data, const QString& pattern)
{
for(qint64 i = 0, idx = 0; (i <= (pattern.size() - 2)); i += 2, idx++)
{
if(idx >= data.size()) return false;
#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
QStringView hexb = QStringView{pattern}.mid(i, 2);
#else
const QStringRef& hexb = pattern.midRef(i, 2);
#endif
if(hexb == *WILDCARD_BYTE) continue;
bool ok = false;
auto b = static_cast<char>(hexb.toUInt(&ok, 16));
if(!ok || (b != data.at(idx))) return false;
}
return true;
}
}
namespace {
unsigned int countBits(uint val)
{
if(val <= std::numeric_limits<quint8>::max()) return QHexFindOptions::Int8;
if(val <= std::numeric_limits<quint16>::max()) return QHexFindOptions::Int16;
if(val <= std::numeric_limits<quint32>::max()) return QHexFindOptions::Int32;
return QHexFindOptions::Int64;
}
template<typename Function>
qint64 findIter(qint64 startoffset, QHexFindDirection fd, const QHexView* hexview, Function&& f)
{
QHexDocument* hexdocument = hexview->hexDocument();
qint64 offset = -1;
QHexFindDirection cfd = fd;
if(cfd == QHexFindDirection::All) cfd = QHexFindDirection::Forward;
qint64 i = startoffset;
while(offset == -1 && (cfd == QHexFindDirection::Backward ? (i >= 0) : (i < hexdocument->length())))
{
if(!f(i, offset)) break;
if(cfd == QHexFindDirection::Backward) i--;
else i++;
if(fd == QHexFindDirection::All && i >= hexdocument->length()) i = 0;
}
return offset;
}
qint64 findDefault(const QByteArray& value, qint64 startoffset, const QHexView* hexview, unsigned int options, QHexFindDirection fd)
{
QHexDocument* hexdocument = hexview->hexDocument();
if(value.size() > hexdocument->length()) return -1;
return findIter(startoffset, fd, hexview, [options, value, hexdocument](qint64 idx, qint64& offset) -> bool {
for(auto i = 0; i < value.size(); i++) {
qint64 curroffset = idx + i;
if(curroffset >= hexdocument->length()) {
offset = -1;
return false;
}
uchar ch1 = hexdocument->at(curroffset);
uchar ch2 = value.at(i);
if(!(options & QHexFindOptions::CaseSensitive)) {
ch1 = std::tolower(ch1);
ch2 = std::tolower(ch2);
}
if(ch1 != ch2) break;
if(i == value.size() - 1) offset = idx;
}
return true;
});
}
qint64 findWildcard(QString pattern, qint64 startoffset, const QHexView* hexview, QHexFindDirection fd, qint64& patternlen)
{
QHexDocument* hexdocument = hexview->hexDocument();
if(!PatternUtils::check(pattern, patternlen) || (patternlen >= hexdocument->length())) return -1;
return findIter(startoffset, fd, hexview, [hexdocument, pattern, patternlen](qint64 idx, qint64& offset) -> bool {
if(PatternUtils::match(hexdocument->read(idx, patternlen), pattern)) offset = idx;
return true;
});
}
QByteArray variantToByteArray(QVariant value, QHexFindMode mode, unsigned int options)
{
QByteArray v;
switch(mode)
{
case QHexFindMode::Text:
if(QHEXVIEW_VARIANT_EQ(value, String)) v = value.toString().toUtf8();
else if(QHEXVIEW_VARIANT_EQ(value, ByteArray)) v = value.toByteArray();
break;
case QHexFindMode::Hex: {
if(QHEXVIEW_VARIANT_EQ(value, String)) {
qint64 len = 0;
auto s = value.toString();
if(!PatternUtils::check(s, len)) return { };
bool ok = true;
#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
for(auto i = 0; ok && i < s.size(); i += 2) v.push_back(static_cast<char>(QStringView{s}.mid(i, 2).toUInt(&ok, 16)));
#else
for(auto i = 0; ok && i < s.size(); i += 2) v.push_back(static_cast<char>(s.midRef(i, 2).toUInt(&ok, 16)));
#endif
if(!ok) return { };
}
else if(QHEXVIEW_VARIANT_EQ(value, ByteArray)) v = value.toByteArray();
break;
}
case QHexFindMode::Int: {
bool ok = false;
uint val = value.toUInt(&ok);
if(!ok) return QByteArray{ };
QDataStream ds(&v, QIODevice::WriteOnly);
if(options & QHexFindOptions::BigEndian) {
if(options & QHexFindOptions::Int8) ds << qToBigEndian<quint8>(val);
else if(options & QHexFindOptions::Int16) ds << qToBigEndian<quint16>(val);
else if(options & QHexFindOptions::Int32) ds << qToBigEndian<quint32>(val);
else if(options & QHexFindOptions::Int64) ds << qToBigEndian<quint64>(val);
else return variantToByteArray(value, mode, options | countBits(val));
}
else {
if(options & QHexFindOptions::Int8) ds << static_cast<quint8>(val);
else if(options & QHexFindOptions::Int16) ds << static_cast<quint16>(val);
else if(options & QHexFindOptions::Int32) ds << static_cast<quint32>(val);
else if(options & QHexFindOptions::Int64) ds << static_cast<quint64>(val);
else return variantToByteArray(value, mode, options | countBits(val));
}
break;
}
case QHexFindMode::Float: {
bool ok = false;
QDataStream ds(&v, QIODevice::WriteOnly);
if(options & QHexFindOptions::Float) ds << value.toFloat(&ok);
else if(options & QHexFindOptions::Double) ds << value.toDouble(&ok);
if(!ok) return { };
}
default: break;
}
return v;
}
} // namespace
QByteArray toHex(const QByteArray& ba, char sep)
{
QByteArray hex(sep ? (ba.size() * 3 - 1) : (ba.size() * 2), Qt::Uninitialized);
for(auto i = 0, o = 0; i < ba.size(); i++)
{
if(sep && i) hex[o++] = static_cast<uchar>(sep);
hex[o++] = HEXMAP->at((ba.at(i) & 0xf0) >> 4);
hex[o++] = HEXMAP->at(ba.at(i) & 0x0f);
}
return hex;
}
QByteArray toHex(const QByteArray& ba) { return QHexUtils::toHex(ba, '\0'); }
qint64 positionToOffset(const QHexOptions* options, QHexPosition pos) { return options->linelength * pos.line + pos.column; }
QHexPosition offsetToPosition(const QHexOptions* options, qint64 offset) { return { offset / options->linelength, offset % options->linelength }; }
QPair<qint64, qint64> find(const QHexView* hexview, QVariant value, qint64 startoffset, QHexFindMode mode, unsigned int options, QHexFindDirection fd)
{
qint64 offset = -1, size = 0;
if(startoffset == -1) startoffset = static_cast<qint64>(hexview->offset());
if(mode == QHexFindMode::Hex && QHEXVIEW_VARIANT_EQ(value, String))
{
offset = QHexUtils::findWildcard(value.toString(), startoffset, hexview, fd, size);
}
else
{
auto ba = variantToByteArray(value, mode, options);
if(!ba.isEmpty())
{
offset = QHexUtils::findDefault(ba, startoffset, hexview, options, fd);
size = ba.size();
}
else
offset = -1;
}
return {offset, offset > -1 ? size : 0};
}
bool checkPattern(QString pattern)
{
qint64 len = 0;
return PatternUtils::check(pattern, len);
}
QPair<qint64, qint64> replace(const QHexView* hexview, QVariant oldvalue, QVariant newvalue, qint64 startoffset, QHexFindMode mode, unsigned int options, QHexFindDirection fd)
{
auto res = QHexUtils::find(hexview, oldvalue, startoffset, mode, options, fd);
if(res.first != -1 && res.second > 0)
{
QHexDocument* hexdocument = hexview->hexDocument();
auto ba = variantToByteArray(newvalue, mode, options);
if(!ba.isEmpty())
{
hexdocument->remove(res.first, res.second);
hexdocument->insert(res.first, ba);
res.second = ba.size();
}
else
{
res.first = -1;
res.second = 0;
}
}
return res;
}
}

48
UEFITool/qhexview5/model/qhexutils.h Normal file
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@ -0,0 +1,48 @@
#pragma once
#include <QByteArray>
#include <QVariant>
#include <QString>
#include <QPair>
struct QHexOptions;
class QHexView;
namespace QHexFindOptions {
enum: unsigned int {
None = (1 << 0),
CaseSensitive = (1 << 1),
Int8 = (1 << 2),
Int16 = (1 << 3),
Int32 = (1 << 4),
Int64 = (1 << 5),
Float = (1 << 6),
Double = (1 << 7),
BigEndian = (1 << 11),
};
}
enum class QHexFindMode { Text, Hex, Int, Float };
enum class QHexFindDirection { All, Forward, Backward };
enum class QHexArea { Header, Address, Hex, Ascii, Extra };
struct QHexPosition {
qint64 line; qint64 column;
static inline QHexPosition invalid() { return {-1, -1}; }
inline bool isValid() const { return line >= 0 && column >= 0; }
inline bool operator==(const QHexPosition& rhs) const { return (line == rhs.line) && (column == rhs.column); }
inline bool operator!=(const QHexPosition& rhs) const { return (line != rhs.line) || (column != rhs.column); }
};
namespace QHexUtils {
QByteArray toHex(const QByteArray& ba, char sep);
QByteArray toHex(const QByteArray& ba);
qint64 positionToOffset(const QHexOptions* options, QHexPosition pos);
QPair<qint64, qint64> find(const QHexView* hexview, QVariant value, qint64 startoffset = 0, QHexFindMode mode = QHexFindMode::Text, unsigned int options = QHexFindOptions::None, QHexFindDirection fd = QHexFindDirection::Forward);
QPair<qint64, qint64> replace(const QHexView* hexview, QVariant oldvalue, QVariant newvalue, qint64 startoffset = 0, QHexFindMode mode = QHexFindMode::Text, unsigned int options = QHexFindOptions::None, QHexFindDirection fd = QHexFindDirection::Forward);
QHexPosition offsetToPosition(const QHexOptions* options, qint64 offset);
bool checkPattern(QString pattern);
}

1261
UEFITool/qhexview5/qhexview.cpp Normal file
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169
UEFITool/qhexview5/qhexview.h Normal file
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@ -0,0 +1,169 @@
#pragma once
#define QHEXVIEW_VERSION 5.0
#include <QAbstractScrollArea>
#include <QTextCharFormat>
#include <QFontMetricsF>
#include <QRectF>
#include <QList>
#include "model/qhexdelegate.h"
#include "model/qhexdocument.h"
#include "model/qhexcursor.h"
#if defined(QHEXVIEW_ENABLE_DIALOGS)
class HexFindDialog;
#endif
class QHexView : public QAbstractScrollArea
{
Q_OBJECT
public:
enum class CopyMode { Visual, HexArraySquare, HexArrayCurly, HexArrayChar };
Q_ENUM(CopyMode);
public:
explicit QHexView(QWidget *parent = nullptr);
QRectF headerRect() const;
QRectF addressRect() const;
QRectF hexRect() const;
QRectF asciiRect() const;
QHexDocument* hexDocument() const;
QHexCursor* hexCursor() const;
const QHexMetadata* hexMetadata() const;
QHexOptions options() const;
QColor getReadableColor(QColor c) const;
QByteArray selectedBytes() const;
QByteArray getLine(qint64 line) const;
unsigned int addressWidth() const;
unsigned int lineLength() const;
bool canUndo() const;
bool canRedo() const;
quint64 offset() const;
quint64 address() const;
QHexPosition position() const;
QHexPosition selectionStart() const;
QHexPosition selectionEnd() const;
quint64 selectionStartOffset() const;
quint64 selectionEndOffset() const;
quint64 baseAddress() const;
quint64 lines() const;
qint64 replace(const QVariant& oldvalue, const QVariant& newvalue, qint64 offset, QHexFindMode mode = QHexFindMode::Text, unsigned int options = QHexFindOptions::None, QHexFindDirection fd = QHexFindDirection::Forward) const;
qint64 find(const QVariant& value, qint64 offset, QHexFindMode mode = QHexFindMode::Text, unsigned int options = QHexFindOptions::None, QHexFindDirection fd = QHexFindDirection::Forward) const;
void setOptions(const QHexOptions& options);
void setBaseAddress(quint64 baseaddress);
void setDelegate(QHexDelegate* rd);
void setDocument(QHexDocument* doc);
void setData(const QByteArray& ba);
void setData(QHexBuffer* buffer);
void setCursorMode(QHexCursor::Mode mode);
void setByteColor(quint8 b, QHexColor c);
void setByteForeground(quint8 b, QColor c);
void setByteBackground(quint8 b, QColor c);
void setMetadata(qint64 begin, qint64 end, const QColor &fgcolor, const QColor &bgcolor, const QString &comment);
void setForeground(qint64 begin, qint64 end, const QColor &fgcolor);
void setBackground(qint64 begin, qint64 end, const QColor &bgcolor);
void setComment(qint64 begin, qint64 end, const QString& comment);
void setMetadataSize(qint64 begin, qint64 length, const QColor &fgcolor, const QColor &bgcolor, const QString &comment);
void setForegroundSize(qint64 begin, qint64 length, const QColor &fgcolor);
void setBackgroundSize(qint64 begin, qint64 length, const QColor &bgcolor);
void setCommentSize(qint64 begin, qint64 length, const QString& comment);
void removeMetadata(qint64 line);
void removeBackground(qint64 line);
void removeForeground(qint64 line);
void removeComments(qint64 line);
void unhighlight(qint64 line);
void clearMetadata();
public Q_SLOTS:
#if defined(QHEXVIEW_ENABLE_DIALOGS)
void showFind();
void showReplace();
#endif
void undo();
void redo();
void cut(bool hex = false);
void copyAs(CopyMode mode = CopyMode::Visual) const;
void copy(bool hex = false) const;
void paste(bool hex = false);
void selectAll();
void removeSelection();
void switchMode();
void setAddressWidth(unsigned int w);
void setLineLength(unsigned int l);
void setGroupLength(unsigned int l);
void setScrollSteps(unsigned int l);
void setReadOnly(bool r);
void setAutoWidth(bool r);
private:
void paint(QPainter* painter) const;
void checkOptions();
void checkState();
void checkAndUpdate(bool calccolumns = false);
void calcColumns();
void ensureVisible();
void drawSeparators(QPainter* p) const;
void drawHeader(QTextCursor& c) const;
void drawDocument(QTextCursor& c) const;
QTextCharFormat drawFormat(QTextCursor& c, quint8 b, const QString& s, QHexArea area, qint64 line, qint64 column, bool applyformat) const;
unsigned int calcAddressWidth() const;
int visibleLines(bool absolute = false) const;
qint64 getLastColumn(qint64 line) const;
qint64 lastLine() const;
qreal getNCellsWidth(int n) const;
qreal hexColumnWidth() const;
qreal hexColumnX() const;
qreal asciiColumnX() const;
qreal endColumnX() const;
qreal cellWidth() const;
qreal lineHeight() const;
QHexPosition positionFromPoint(QPoint pt) const;
QPoint absolutePoint(QPoint pt) const;
QHexArea areaFromPoint(QPoint pt) const;
void moveNext(bool select = false);
void movePrevious(bool select = false);
bool keyPressMove(QKeyEvent* e);
bool keyPressTextInput(QKeyEvent* e);
bool keyPressAction(QKeyEvent* e);
protected:
bool event(QEvent* e) override;
void showEvent(QShowEvent* e) override;
void paintEvent(QPaintEvent*) override;
void resizeEvent(QResizeEvent* e) override;
void focusInEvent(QFocusEvent* e) override;
void focusOutEvent(QFocusEvent* e) override;
void mousePressEvent(QMouseEvent* e) override;
void mouseMoveEvent(QMouseEvent* e) override;
void wheelEvent(QWheelEvent* e) override;
void keyPressEvent(QKeyEvent *e) override;
private:
static QString reduced(const QString& s, int maxlen);
static bool isColorLight(QColor c);
Q_SIGNALS:
void dataChanged(const QByteArray& data, quint64 offset, QHexDocument::ChangeReason reason);
void positionChanged();
void modeChanged();
private:
bool m_readonly{false}, m_writing{false}, m_autowidth{false};
QHexArea m_currentarea{QHexArea::Ascii};
QList<QRectF> m_hexcolumns;
QFontMetricsF m_fontmetrics;
QHexOptions m_options;
QHexCursor* m_hexcursor{nullptr};
QHexDocument* m_hexdocument{nullptr};
QHexMetadata* m_hexmetadata{nullptr};
QHexDelegate* m_hexdelegate{nullptr};
#if defined(QHEXVIEW_ENABLE_DIALOGS)
HexFindDialog *m_hexdlgfind{nullptr}, *m_hexdlgreplace{nullptr};
#endif
friend class QHexDelegate;
friend class QHexCursor;
};

2
UEFITool/uefitool.cpp
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@ -585,7 +585,7 @@ void UEFITool::about()
tr("<b>UEFITool %1.</b><br><br>"
"Copyright (c) 2013-2023, Nikolaj Schlej.<br><br>"
"Program icon made by <a href=https://www.behance.net/alzhidkov>Alexander Zhidkov</a>.<br><br>"
"GUI uses QHexEdit2 library made by <a href=https://github.com/Simsys>Simsys</a>.<br>"
"GUI uses QHexView made by <a href=https://github.com/Dax89>Antonio Davide</a>.<br>"
"Qt-less engine uses Bstrlib made by <a href=https://github.com/websnarf>Paul Hsieh</a>.<br>"
"Engine uses Tiano compression code made by <a href=https://github.com/tianocore>TianoCore developers</a>.<br>"
"Engine uses LZMA compression code made by <a href=https://www.7-zip.org/sdk.html>Igor Pavlov</a>.<br>"

33
UEFITool/uefitool.pro
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@ -62,9 +62,20 @@ HEADERS += uefitool.h \
../common/zlib/zlib.h \
../common/zlib/crc32.h \
../version.h \
qhexedit2/qhexedit.h \
qhexedit2/chunks.h \
qhexedit2/commands.h
qhexview5/model/buffer/qhexbuffer.h \
qhexview5/model/buffer/qdevicebuffer.h \
qhexview5/model/buffer/qmemorybuffer.h \
qhexview5/model/commands/hexcommand.h \
qhexview5/model/commands/insertcommand.h \
qhexview5/model/commands/removecommand.h \
qhexview5/model/commands/replacecommand.h \
qhexview5/model/qhexcursor.h \
qhexview5/model/qhexdelegate.h \
qhexview5/model/qhexdocument.h \
qhexview5/model/qhexmetadata.h \
qhexview5/model/qhexoptions.h \
qhexview5/model/qhexutils.h \
qhexview5/qhexview.h
SOURCES += uefitool_main.cpp \
uefitool.cpp \
@ -127,9 +138,19 @@ SOURCES += uefitool_main.cpp \
../common/zlib/trees.c \
../common/zlib/uncompr.c \
../common/zlib/zutil.c \
qhexedit2/qhexedit.cpp \
qhexedit2/chunks.cpp \
qhexedit2/commands.cpp
qhexview5/model/buffer/qhexbuffer.cpp \
qhexview5/model/buffer/qdevicebuffer.cpp \
qhexview5/model/buffer/qmemorybuffer.cpp \
qhexview5/model/commands/hexcommand.cpp \
qhexview5/model/commands/insertcommand.cpp \
qhexview5/model/commands/removecommand.cpp \
qhexview5/model/commands/replacecommand.cpp \
qhexview5/model/qhexcursor.cpp \
qhexview5/model/qhexdelegate.cpp \
qhexview5/model/qhexdocument.cpp \
qhexview5/model/qhexmetadata.cpp \
qhexview5/model/qhexutils.cpp \
qhexview5/qhexview.cpp
FORMS += uefitool.ui \
searchdialog.ui \