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qhexview.cpp
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qhexview.cpp
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/*
Copyright (C) 2006 - 2013 Evan Teran
eteran@alum.rit.edu
Copyright (C) 2010 Hugues Bruant
hugues.bruant@gmail.com
This file can be used under one of two licenses.
1. The GNU Public License, version 2.0, in COPYING-gpl2
2. A BSD-Style License, in COPYING-bsd2.
The license chosen is at the discretion of the user of this software.
*/
#include "qhexview.h"
#include <QApplication>
#include <QClipboard>
#include <QDebug>
#include <QFontDialog>
#include <QMenu>
#include <QMouseEvent>
#include <QPainter>
#include <QPalette>
#include <QPixmap>
#include <QScrollBar>
#include <QStringBuilder>
#include <QTextStream>
#include <QtEndian>
#include <QtGlobal>
#include <cctype>
#include <climits>
#include <cmath>
#include <memory>
namespace {
/**
* determines if a character has a printable ascii symbol
*
* @brief is_printable
* @param ch
* @return
*/
constexpr bool is_printable(uint8_t ch) {
// if it's standard ascii use isprint/isspace, otherwise go with our observations
if (ch < 0x80) {
return std::isprint(ch) || std::isspace(ch);
}
return (ch & 0xff) >= 0xa0;
}
/**
* convenience function used to add a checkable menu item to the context menu
*
* @brief add_toggle_action_to_menu
* @param menu
* @param caption
* @param checked
* @param func
* @return
*/
template <class Func>
QAction *add_toggle_action_to_menu(QMenu *menu, const QString &caption, bool checked, Func func) {
auto action = new QAction(caption, menu);
action->setCheckable(true);
action->setChecked(checked);
menu->addAction(action);
QObject::connect(action, &QAction::toggled, func);
return action;
}
}
/**
* @brief QHexView::QHexView
* @param parent
*/
QHexView::QHexView(QWidget *parent)
: QAbstractScrollArea(parent) {
#if QT_POINTER_SIZE == 4
addressSize_ = Address32;
#else
addressSize_ = Address64;
#endif
// default to a simple monospace font
setFont(QFont("Monospace", 8));
setShowAddressSeparator(true);
}
/**
* @brief QHexView::setShowAddressSeparator
* @param value
*/
void QHexView::setShowAddressSeparator(bool value) {
showAddressSeparator_ = value;
updateScrollbars();
}
/**
* @brief QHexView::formatAddress
* @param address
* @return
*/
QString QHexView::formatAddress(address_t address) const {
static char buffer[32];
switch (addressSize_) {
case Address32: {
const uint16_t hi = (address >> 16) & 0xffff;
const uint16_t lo = (address & 0xffff);
if (showAddressSeparator_) {
qsnprintf(buffer, sizeof(buffer), "%04x:%04x", hi, lo);
} else {
qsnprintf(buffer, sizeof(buffer), "%04x%04x", hi, lo);
}
}
return QString::fromLocal8Bit(buffer);
case Address64: {
const uint32_t hi = (address >> 32) & 0xffffffff;
const uint32_t lo = (address & 0xffffffff);
if (hideLeadingAddressZeros_) {
if (showAddressSeparator_) {
qsnprintf(buffer, sizeof(buffer), "%04x:%08x", (hi & 0xffff), lo);
} else {
qsnprintf(buffer, sizeof(buffer), "%04x%08x", (hi & 0xffff), lo);
}
} else {
if (showAddressSeparator_) {
qsnprintf(buffer, sizeof(buffer), "%08x:%08x", hi, lo);
} else {
qsnprintf(buffer, sizeof(buffer), "%08x%08x", hi, lo);
}
}
}
return QString::fromLocal8Bit(buffer);
}
return QString();
}
/**
* @brief QHexView::repaint
*/
void QHexView::repaint() {
viewport()->repaint();
}
/**
* @brief QHexView::dataSize
* @return how much data we are viewing
*/
int64_t QHexView::dataSize() const {
return data_ ? data_->size() : 0;
}
/**
*
* @brief QHexView::setHideLeadingAddressZeros
* @param value
*/
void QHexView::setHideLeadingAddressZeros(bool value) {
hideLeadingAddressZeros_ = value;
}
/**
*
* @brief QHexView::hideLeadingAddressZeros
*/
bool QHexView::hideLeadingAddressZeros() const {
return hideLeadingAddressZeros_;
}
/**
* overloaded version of setFont, calculates font metrics for later
*
* @brief QHexView::setFont
* @param f
*/
void QHexView::setFont(const QFont &f) {
QFont font(f);
#if QT_VERSION < QT_VERSION_CHECK(5, 15, 0)
font.setStyleStrategy(QFont::ForceIntegerMetrics);
#endif
// recalculate all of our metrics/offsets
const QFontMetrics fm(font);
#if QT_VERSION >= QT_VERSION_CHECK(5, 11, 0)
fontWidth_ = fm.horizontalAdvance('X');
#else
fontWidth_ = fm.width('X');
#endif
fontHeight_ = fm.height();
updateScrollbars();
// TODO(eteran): assert that we are using a fixed font & find out if we care?
QAbstractScrollArea::setFont(font);
}
/**
* creates the 'standard' context menu for the widget
*
* @brief QHexView::createStandardContextMenu
* @return
*/
QMenu *QHexView::createStandardContextMenu() {
auto menu = new QMenu(this);
menu->addAction(tr("Set &Font"), this, SLOT(mnuSetFont()));
menu->addSeparator();
add_toggle_action_to_menu(menu, tr("Show A&ddress"), showAddress_, [this](bool value) {
setShowAddress(value);
});
add_toggle_action_to_menu(menu, tr("Show &Hex"), showHex_, [this](bool value) {
setShowHexDump(value);
});
add_toggle_action_to_menu(menu, tr("Show &Ascii"), showAscii_, [this](bool value) {
setShowAsciiDump(value);
});
if (commentServer_) {
add_toggle_action_to_menu(menu, tr("Show &Comments"), showComments_, [this](bool value) {
setShowComments(value);
});
}
if (userCanSetWordWidth_ || userCanSetRowWidth_) {
menu->addSeparator();
}
if (userCanSetWordWidth_) {
auto wordMenu = new QMenu(tr("Set Word Width"), menu);
add_toggle_action_to_menu(wordMenu, tr("1 Byte"), wordWidth_ == 1, [this]() {
setWordWidth(1);
});
add_toggle_action_to_menu(wordMenu, tr("2 Bytes"), wordWidth_ == 2, [this]() {
setWordWidth(2);
});
add_toggle_action_to_menu(wordMenu, tr("4 Bytes"), wordWidth_ == 4, [this]() {
setWordWidth(4);
});
add_toggle_action_to_menu(wordMenu, tr("8 Bytes"), wordWidth_ == 8, [this]() {
setWordWidth(8);
});
menu->addMenu(wordMenu);
}
if (userCanSetRowWidth_) {
auto rowMenu = new QMenu(tr("Set Row Width"), menu);
add_toggle_action_to_menu(rowMenu, tr("1 Word"), rowWidth_ == 1, [this]() {
setRowWidth(1);
});
add_toggle_action_to_menu(rowMenu, tr("2 Words"), rowWidth_ == 2, [this]() {
setRowWidth(2);
});
add_toggle_action_to_menu(rowMenu, tr("4 Words"), rowWidth_ == 4, [this]() {
setRowWidth(4);
});
add_toggle_action_to_menu(rowMenu, tr("8 Words"), rowWidth_ == 8, [this]() {
setRowWidth(8);
});
add_toggle_action_to_menu(rowMenu, tr("16 Words"), rowWidth_ == 16, [this]() {
setRowWidth(16);
});
menu->addMenu(rowMenu);
}
menu->addSeparator();
menu->addAction(tr("&Copy Selection To Clipboard"), this, SLOT(mnuCopy()));
menu->addAction(tr("&Copy Address To Clipboard"), this, SLOT(mnuAddrCopy()));
return menu;
}
/**
* default context menu event, simply shows standard menu
*
* @brief QHexView::contextMenuEvent
* @param event
*/
void QHexView::contextMenuEvent(QContextMenuEvent *event) {
QMenu *const menu = createStandardContextMenu();
menu->exec(event->globalPos());
delete menu;
}
/**
* @brief QHexView::normalizedOffset
* @return
*/
int64_t QHexView::normalizedOffset() const {
int64_t offset = static_cast<int64_t>(verticalScrollBar()->value()) * bytesPerRow();
if (origin_ != 0) {
if (offset > 0) {
offset += origin_;
offset -= bytesPerRow();
}
}
return offset;
}
/**
* @brief QHexView::mnuCopy
*/
void QHexView::mnuCopy() {
if (hasSelectedText()) {
QString s;
QTextStream ss(&s);
// current actual offset (in bytes)
const int chars_per_row = bytesPerRow();
int64_t offset = normalizedOffset();
const int64_t end = std::max(selectionStart_, selectionEnd_);
const int64_t start = std::min(selectionStart_, selectionEnd_);
const int64_t data_size = dataSize();
// offset now refers to the first visible byte
while (offset < end) {
if ((offset + chars_per_row) > start) {
data_->seek(offset);
const QByteArray row_data = data_->read(chars_per_row);
if (!row_data.isEmpty()) {
if (showAddress_) {
const address_t address_rva = addressOffset_ + offset;
const QString addressBuffer = formatAddress(address_rva);
ss << addressBuffer << '|';
}
if (showHex_) {
drawHexDumpToBuffer(ss, offset, data_size, row_data);
ss << "|";
}
if (showAscii_) {
drawAsciiDumpToBuffer(ss, offset, data_size, row_data);
ss << "|";
}
if (showComments_ && commentServer_) {
drawCommentsToBuffer(ss, offset, data_size);
}
}
ss << "\n";
}
offset += chars_per_row;
}
QApplication::clipboard()->setText(s);
// TODO(eteran): do we want to trample the X11-selection too?
QApplication::clipboard()->setText(s, QClipboard::Selection);
}
}
/**
* Copy the starting address of the selected bytes
*
* @brief QHexView::mnuAddrCopy
*/
void QHexView::mnuAddrCopy() {
if (hasSelectedText()) {
auto s = QString("0x%1").arg(selectedBytesAddress(), 0, 16);
QApplication::clipboard()->setText(s);
// TODO(eteran): do we want to trample the X11-selection too?
QApplication::clipboard()->setText(s, QClipboard::Selection);
}
}
/**
* slot used to set the font of the widget based on dialog selector
*
* @brief QHexView::mnuSetFont
*/
void QHexView::mnuSetFont() {
setFont(QFontDialog::getFont(nullptr, font(), this));
}
/**
* clears all data from the view
*
* @brief QHexView::clear
*/
void QHexView::clear() {
data_ = nullptr;
viewport()->update();
}
/**
* @brief QHexView::hasSelectedText
* @return true if any text is selected
*/
bool QHexView::hasSelectedText() const {
return !(selectionStart_ == -1 || selectionEnd_ == -1);
}
/**
* @brief QHexView::isInViewableArea
* @param index
* @return true if the word at the given index is in the viewable area
*/
bool QHexView::isInViewableArea(int64_t index) const {
const int64_t firstViewableWord = static_cast<int64_t>(verticalScrollBar()->value()) * rowWidth_;
const int64_t viewableLines = viewport()->height() / fontHeight_;
const int64_t viewableWords = viewableLines * rowWidth_;
const int64_t lastViewableWord = firstViewableWord + viewableWords;
return index >= firstViewableWord && index < lastViewableWord;
}
/**
* @brief QHexView::keyPressEvent
* @param event
*/
void QHexView::keyPressEvent(QKeyEvent *event) {
if (event == QKeySequence::SelectAll) {
selectAll();
viewport()->update();
} else if (event == QKeySequence::MoveToStartOfDocument) {
scrollTo(0);
} else if (event == QKeySequence::MoveToEndOfDocument) {
scrollTo(dataSize() - bytesPerRow());
} else if (event->modifiers() & Qt::ControlModifier && event->key() == Qt::Key_Down) {
int64_t offset = normalizedOffset();
if (offset + 1 < dataSize()) {
scrollTo(offset + 1);
}
} else if (event->modifiers() & Qt::ControlModifier && event->key() == Qt::Key_Up) {
int64_t offset = normalizedOffset();
if (offset > 0) {
scrollTo(offset - 1);
}
} else if (event->modifiers() & Qt::ShiftModifier && hasSelectedText()) {
// Attempting to match the highlighting behavior of common text
// editors where highlighting to the left or up will keep the
// first character (byte in our case) highlighted while also
// extending back or up.
auto dir = event->key();
switch (dir) {
case Qt::Key_Right:
if (selectionStart_ == selectionEnd_) {
selectionStart_ -= wordWidth_;
}
if (selectionEnd_ / wordWidth_ < dataSize()) {
selectionEnd_ += wordWidth_;
}
break;
case Qt::Key_Left:
if ((selectionEnd_ - wordWidth_) == selectionStart_) {
selectionStart_ += wordWidth_;
selectionEnd_ -= wordWidth_;
}
if (selectionEnd_ / wordWidth_ > 0) {
selectionEnd_ -= wordWidth_;
}
break;
case Qt::Key_Down:
selectionEnd_ += rowWidth_;
selectionEnd_ = std::min(selectionEnd_, dataSize() * wordWidth_);
break;
case Qt::Key_Up:
if ((selectionEnd_ - wordWidth_) == selectionStart_) {
selectionStart_ += wordWidth_;
}
selectionEnd_ -= rowWidth_;
if (selectionEnd_ <= 0) {
selectionEnd_ = 0;
}
break;
default:
break;
}
viewport()->update();
} else {
QAbstractScrollArea::keyPressEvent(event);
}
}
/**
* @brief QHexView::line3
* @return the x coordinate of the 3rd line
*/
int QHexView::line3() const {
if (showAscii_) {
const int elements = bytesPerRow();
return asciiDumpLeft() + (elements * fontWidth_) + (fontWidth_ / 2);
}
return line2();
}
/**
* @brief QHexView::line2
* @return the x coordinate of the 2nd line
*/
int QHexView::line2() const {
if (showHex_) {
const int elements = rowWidth_ * (charsPerWord() + 1) - 1;
return hexDumpLeft() + (elements * fontWidth_) + (fontWidth_ / 2);
}
return line1();
}
/**
* @brief QHexView::line1
* @return the x coordinate of the 1st line
*/
int QHexView::line1() const {
if (showAddress_) {
const int elements = addressLength();
return (elements * fontWidth_) + (fontWidth_ / 2);
}
return 0;
}
/**
* @brief QHexView::hexDumpLeft
* @return the x coordinate of the hex-dump field left edge
*/
int QHexView::hexDumpLeft() const {
return line1() + (fontWidth_ / 2);
}
/**
* @brief QHexView::asciiDumpLeft
* @return the x coordinate of the ascii-dump field left edge
*/
int QHexView::asciiDumpLeft() const {
return line2() + (fontWidth_ / 2);
}
/**
* @brief QHexView::commentLeft
* @return the x coordinate of the comment field left edge
*/
int QHexView::commentLeft() const {
return line3() + (fontWidth_ / 2);
}
/**
* @brief QHexView::charsPerWord
* @return how many characters each word takes up
*/
int QHexView::charsPerWord() const {
return wordWidth_ * 2;
}
/**
* @brief QHexView::addressLen
* @return the length in characters the address will take up
*/
int QHexView::addressLength() const {
if (hideLeadingAddressZeros_ && addressSize_ == Address64) {
const int addressLength = ((addressSize_ * CHAR_BIT) / 4) - 4;
return addressLength + (showAddressSeparator_ ? 1 : 0);
}
const int addressLength = (addressSize_ * CHAR_BIT) / 4;
return addressLength + (showAddressSeparator_ ? 1 : 0);
}
/**
* calculates scrollbar maximum value base on lines total and lines viewable
*
* @brief QHexView::updateScrollbars
*/
void QHexView::updateScrollbars() {
const int64_t sz = dataSize();
const int bpr = bytesPerRow();
const int maxval = sz / bpr + ((sz % bpr) ? 1 : 0) - viewport()->height() / fontHeight_;
verticalScrollBar()->setMaximum(std::max(0, maxval));
horizontalScrollBar()->setMaximum(std::max(0, ((line3() - viewport()->width()) / fontWidth_)));
}
/**
* scrolls view to given byte offset
*
* @brief QHexView::scrollTo
* @param offset
*/
void QHexView::scrollTo(address_t offset) {
const int bpr = bytesPerRow();
origin_ = offset % bpr;
address_t address = offset / bpr;
updateScrollbars();
if (origin_ != 0) {
++address;
}
verticalScrollBar()->setValue(address);
viewport()->update();
}
/**
* sets if we are to display the address column
*
* @brief QHexView::setShowAddress
* @param show
*/
void QHexView::setShowAddress(bool show) {
showAddress_ = show;
updateScrollbars();
viewport()->update();
}
/**
* sets if we are to display the hex-dump column
*
* @brief QHexView::setShowHexDump
* @param show
*/
void QHexView::setShowHexDump(bool show) {
showHex_ = show;
updateScrollbars();
viewport()->update();
}
/**
* sets if we are to display the comments column
*
* @brief QHexView::setShowComments
* @param show
*/
void QHexView::setShowComments(bool show) {
showComments_ = show;
updateScrollbars();
viewport()->update();
}
/**
* sets if we are to display the ascii-dump column
*
* @brief QHexView::setShowAsciiDump
* @param show
*/
void QHexView::setShowAsciiDump(bool show) {
showAscii_ = show;
updateScrollbars();
viewport()->update();
}
/**
* sets the row width (units is words)
*
* @brief QHexView::setRowWidth
* @param rowWidth
*/
void QHexView::setRowWidth(int rowWidth) {
Q_ASSERT(rowWidth >= 0);
rowWidth_ = rowWidth;
updateScrollbars();
viewport()->update();
}
/**
* sets how many bytes represent a word
*
* @brief QHexView::setWordWidth
* @param wordWidth
*/
void QHexView::setWordWidth(int wordWidth) {
Q_ASSERT(wordWidth >= 0);
wordWidth_ = wordWidth;
updateScrollbars();
viewport()->update();
}
/**
* @brief QHexView::bytesPerRow
* @return
*/
int QHexView::bytesPerRow() const {
return rowWidth_ * wordWidth_;
}
/**
* @brief QHexView::pixelToWord
* @param x
* @param y
* @return
*/
int64_t QHexView::pixelToWord(int x, int y) const {
int64_t word = -1;
switch (highlighting_) {
case Highlighting::Data:
#if 0
// Make pixels outside the word correspond to the nearest word, not to the right-hand one
x -= fontWidth_ / 2;
#endif
// the right edge of a box is kinda quirky, so we pretend there is one
// extra character there
x = std::clamp(x, line1(), line2() + fontWidth_);
// the selection is in the data view portion
x -= line1();
// scale x/y down to character from pixels
x = (x / fontWidth_) + (fmod(x, fontWidth_) >= (fontWidth_ / 2.0) ? 1 : 0);
y /= fontHeight_;
// make x relative to rendering mode of the bytes
x /= (charsPerWord() + 1);
break;
case Highlighting::Ascii:
x = std::clamp(x, asciiDumpLeft(), line3());
// the selection is in the ascii view portion
x -= asciiDumpLeft();
// scale x/y down to character from pixels
x /= fontWidth_;
y /= fontHeight_;
// make x relative to rendering mode of the bytes
x /= wordWidth_;
break;
default:
Q_ASSERT(0);
break;
}
// starting offset in bytes
int64_t start_offset = normalizedOffset();
// convert byte offset to word offset, rounding up
start_offset /= static_cast<unsigned int>(wordWidth_);
if ((origin_ % wordWidth_) != 0) {
start_offset += 1;
}
word = ((y * rowWidth_) + x) + start_offset;
return word;
}
/**
* @brief QHexView::updateToolTip
*/
void QHexView::updateToolTip() {
if (selectedBytesSize() <= 0) {
return;
}
auto sb = selectedBytes();
const address_t start = selectedBytesAddress();
const address_t end = selectedBytesAddress() + sb.size();
auto data = reinterpret_cast<uchar *>(sb.data());
QString tooltip = QString("<p style='white-space:pre'>") // prevent word wrap
% QString("<b>Range: </b>") % formatAddress(start) % " - " % formatAddress(end);
switch (sb.size()) {
case sizeof(quint32):
tooltip += QString("<br><b>UInt32:</b> ") % QString::number(qFromLittleEndian<quint32>(data)) % QString("<br><b>Int32:</b> ") % QString::number(qFromLittleEndian<qint32>(data));
break;
case sizeof(quint64):
tooltip += QString("<br><b>UInt64:</b> ") % QString::number(qFromLittleEndian<quint64>(data)) % QString("<br><b>Int64</b> ") % QString::number(qFromLittleEndian<qint64>(data));
break;
}
tooltip += "</p>";
setToolTip(tooltip);
}
/**
* @brief QHexView::mouseDoubleClickEvent
* @param event
*/
void QHexView::mouseDoubleClickEvent(QMouseEvent *event) {
if (event->button() == Qt::LeftButton) {
const int x = event->x() + horizontalScrollBar()->value() * fontWidth_;
const int y = event->y();
if (x >= line1() && x < line2()) {
highlighting_ = Highlighting::Data;
const int64_t offset = pixelToWord(x, y);
int64_t byte_offset = offset * wordWidth_;
if (origin_) {
if (origin_ % wordWidth_) {
byte_offset -= wordWidth_ - (origin_ % wordWidth_);
}
}
selectionStart_ = byte_offset;
selectionEnd_ = selectionStart_ + wordWidth_;
viewport()->update();
} else if (x < line1()) {
highlighting_ = Highlighting::Data;
const int64_t offset = pixelToWord(line1(), y);
int64_t byte_offset = offset * wordWidth_;
if (origin_) {
if (origin_ % wordWidth_) {
byte_offset -= wordWidth_ - (origin_ % wordWidth_);
}
}
const int chars_per_row = bytesPerRow();
selectionStart_ = byte_offset;
selectionEnd_ = byte_offset + chars_per_row;
viewport()->update();
}
}
updateToolTip();
}
/**
* @brief QHexView::mousePressEvent
* @param event
*/
void QHexView::mousePressEvent(QMouseEvent *event) {
if (event->button() == Qt::LeftButton) {
const int x = event->x() + horizontalScrollBar()->value() * fontWidth_;
const int y = event->y();
if (x < line2()) {
highlighting_ = Highlighting::Data;
} else {
highlighting_ = Highlighting::Ascii;
}
const int64_t offset = pixelToWord(x, y);
int64_t byte_offset = offset * wordWidth_;
if (origin_) {
if (origin_ % wordWidth_) {
byte_offset -= wordWidth_ - (origin_ % wordWidth_);
}
}
if (offset < dataSize()) {
if (hasSelectedText() && (event->modifiers() & Qt::ShiftModifier)) {
selectionEnd_ = byte_offset;
} else {
selectionStart_ = byte_offset;
selectionEnd_ = selectionStart_ + wordWidth_;
}
} else {
selectionStart_ = selectionEnd_ = -1;
}
viewport()->update();
}
if (event->button() == Qt::RightButton) {
}
updateToolTip();
}
/**
* @brief QHexView::mouseMoveEvent
* @param event
*/
void QHexView::mouseMoveEvent(QMouseEvent *event) {
if (highlighting_ != Highlighting::None) {
const int x = event->x() + horizontalScrollBar()->value() * fontWidth_;
const int y = event->y();
const int64_t offset = pixelToWord(x, y);
if (selectionStart_ != -1) {
if (offset == -1) {
selectionEnd_ = rowWidth_;
} else {
int64_t byte_offset = (offset * wordWidth_);
if (origin_) {
if (origin_ % wordWidth_) {
byte_offset -= wordWidth_ - (origin_ % wordWidth_);
}
}
selectionEnd_ = byte_offset;
if (selectionEnd_ == selectionStart_) {
selectionEnd_ += wordWidth_;
}
}
if (selectionEnd_ < 0) {
selectionEnd_ = 0;
}
if (!isInViewableArea(selectionEnd_)) {
ensureVisible(selectionEnd_);
}
}
viewport()->update();
updateToolTip();
}
}
/**
* @brief QHexView::mouseReleaseEvent
* @param event
*/
void QHexView::mouseReleaseEvent(QMouseEvent *event) {
if (event->button() == Qt::LeftButton) {
highlighting_ = Highlighting::None;
}
}
/**
* @brief QHexView::ensureVisible
* @param index
*/
void QHexView::ensureVisible(int64_t index) {
Q_UNUSED(index)
}
/**
* @brief QHexView::setData
* @param d
*/
void QHexView::setData(QIODevice *d) {
if (d->isSequential() || !d->size()) {
internalBuffer_ = std::make_unique<QBuffer>();
internalBuffer_->setData(d->readAll());
internalBuffer_->open(QBuffer::ReadOnly);
data_ = internalBuffer_.get();
} else {
data_ = d;
}
if (data_->size() > Q_INT64_C(0xffffffff)) {
addressSize_ = Address64;
}
deselect();
updateScrollbars();
viewport()->update();
}
/**
* @brief QHexView::resizeEvent
*/
void QHexView::resizeEvent(QResizeEvent *) {
updateScrollbars();
}
/**
* @brief QHexView::setAddressOffset
* @param offset
*/
void QHexView::setAddressOffset(address_t offset) {
addressOffset_ = offset;
}
/**
* @brief QHexView::isSelected
* @param index
* @return
*/
bool QHexView::isSelected(int64_t index) const {