mirror of
https://github.com/epasveer/seer.git
synced 2026-08-30 00:50:42 +08:00
Checkpoint: Improving memory visualizer.
This commit is contained in:
Ernie Pasveer
+245
-10
@@ -4,30 +4,89 @@
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#include <QtGui/QPaintEvent>
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#include <QtGui/QKeyEvent>
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#include <QtGui/QClipboard>
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#include <QtGui/QTextCursor>
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#include <QtCore/QSize>
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#include <QtCore/QDebug>
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#include <stdexcept>
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SeerHexWidget::SeerHexWidget(QWidget* parent) : QPlainTextEdit(parent), _pdata(NULL) {
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#define byteArrayToType( data, order, precision, type ) \
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QDataStream stream( data ); \
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stream.setByteOrder( order ); \
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stream.setFloatingPointPrecision( precision ); \
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type t; \
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stream >> t; \
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return t;
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qint8 toQInt8 (const QByteArray& data, const QDataStream::ByteOrder order=QDataStream::BigEndian) {
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byteArrayToType(data, order, QDataStream::SinglePrecision, qint8)
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}
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quint8 toQUInt8 (const QByteArray& data, const QDataStream::ByteOrder order=QDataStream::BigEndian) {
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byteArrayToType(data, order, QDataStream::SinglePrecision, quint8)
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}
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qint16 toQInt16 (const QByteArray& data, const QDataStream::ByteOrder order=QDataStream::BigEndian) {
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byteArrayToType(data, order, QDataStream::SinglePrecision, qint16)
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}
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quint16 toQUInt16 (const QByteArray& data, const QDataStream::ByteOrder order=QDataStream::BigEndian) {
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byteArrayToType(data, order, QDataStream::SinglePrecision, quint16)
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}
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qint32 toQInt32 (const QByteArray& data, const QDataStream::ByteOrder order=QDataStream::BigEndian) {
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byteArrayToType(data, order, QDataStream::SinglePrecision, qint32)
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}
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quint32 toQUInt32 (const QByteArray& data, const QDataStream::ByteOrder order=QDataStream::BigEndian) {
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byteArrayToType(data, order, QDataStream::SinglePrecision, quint32)
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}
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qint64 toQInt64 (const QByteArray& data, const QDataStream::ByteOrder order=QDataStream::BigEndian) {
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byteArrayToType(data, order, QDataStream::SinglePrecision, qint64)
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}
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quint64 toQUInt64 (const QByteArray& data, const QDataStream::ByteOrder order=QDataStream::BigEndian) {
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byteArrayToType(data, order, QDataStream::SinglePrecision, quint64)
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}
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float toQFloat32 (const QByteArray& data, const QDataStream::ByteOrder order=QDataStream::BigEndian) {
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byteArrayToType(data, order, QDataStream::SinglePrecision, float)
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}
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double toQFloat64 (const QByteArray& data, const QDataStream::ByteOrder order=QDataStream::BigEndian) {
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byteArrayToType(data, order, QDataStream::DoublePrecision, double)
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}
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SeerHexWidget::SeerHexWidget(QWidget* parent) : QWidget(parent), _pdata(NULL) {
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// Construct the UI.
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setupUi(this);
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// Setup the widgets
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QFont font;
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font.setFamily("monospace [Consolas]");
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font.setFixedPitch(true);
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font.setStyleHint(QFont::TypeWriter);
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setFont(font);
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plainTextEdit->setFont(font);
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plainTextEdit->setFocusPolicy(Qt::StrongFocus);
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plainTextEdit->setTextInteractionFlags(Qt::TextSelectableByMouse|Qt::TextSelectableByKeyboard);
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_memoryMode = SeerHexWidget::HexMemoryMode;
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_charMode = SeerHexWidget::AsciiCharMode;
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_addressOffset = 0;
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_charWidth = fontMetrics().horizontalAdvance(QLatin1Char('9'));
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_charHeight = fontMetrics().height();
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_charWidth = plainTextEdit->fontMetrics().horizontalAdvance(QLatin1Char('9'));
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_charHeight = plainTextEdit->fontMetrics().height();
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_gapAddrHex = 10; // Gap between address and hex fields.
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_gapHexAscii = 16; // Gap between hex and ascii fields.
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setBytesPerLine(16);
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setFocusPolicy(Qt::StrongFocus);
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// Connect things.
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QObject::connect(plainTextEdit, &QPlainTextEdit::cursorPositionChanged, this, &SeerHexWidget::handleCursorPositionChanged);
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QObject::connect(showAsLittleEndianCheckBox, &QCheckBox::clicked, this, &SeerHexWidget::handleCursorPositionChanged);
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QObject::connect(showUnsignedFloatAsHexCheckBox, &QCheckBox::clicked, this, &SeerHexWidget::handleCursorPositionChanged);
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QObject::connect(this, &SeerHexWidget::byteOffsetChanged, this, &SeerHexWidget::handleByteOffsetChanged);
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}
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SeerHexWidget::~SeerHexWidget() {
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@@ -58,7 +117,7 @@ void SeerHexWidget::setBytesPerLine (int count) {
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_bytesPerLine = count;
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_hexCharsPerLine = _bytesPerLine * _hexCharsPerByte - 1;
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_posAddr = 0; // x position of address field.
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_posHex = 12 * _charWidth + gapAddrHex(); // x position of hex field.
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_posHex = SeerHexWidget::HexFieldWidth * _charWidth + gapAddrHex(); // x position of hex field.
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_posAscii = _posHex + hexCharsPerLine() * _charWidth + gapHexAscii(); // x position of ascii field.
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setMinimumWidth(_posAscii + (bytesPerLine() * _charWidth)); // x position after the ascii field.
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@@ -75,6 +134,14 @@ int SeerHexWidget::hexCharsPerLine () const {
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return _hexCharsPerLine;
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}
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int SeerHexWidget::hexCharsPerByte () const {
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return _hexCharsPerByte;
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}
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int SeerHexWidget::nLines () const {
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return plainTextEdit->blockCount();
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}
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int SeerHexWidget::gapAddrHex () const {
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return _gapAddrHex;
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}
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@@ -154,6 +221,16 @@ QString SeerHexWidget::charModeString () const {
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return "???";
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}
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QTextDocument* SeerHexWidget::document () {
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return plainTextEdit->document();
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}
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QString SeerHexWidget::toPlainText () {
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return plainTextEdit->toPlainText();
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}
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void SeerHexWidget::setData(SeerHexWidget::DataStorage* pData) {
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if (_pdata) {
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@@ -167,10 +244,168 @@ void SeerHexWidget::setData(SeerHexWidget::DataStorage* pData) {
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create();
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}
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void SeerHexWidget::handleCursorPositionChanged () {
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// Get the current cursor position.
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QTextCursor cursor = plainTextEdit->textCursor();
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// Is it before the hex values? (address region)
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if (cursor.positionInBlock() < SeerHexWidget::HexFieldWidth) {
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emit byteOffsetChanged(-1);
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return;
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}
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// Is is after the hex values? (ascii/ebcdic region)
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if (cursor.positionInBlock() > SeerHexWidget::HexFieldWidth + hexCharsPerLine()) {
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emit byteOffsetChanged(-1);
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return;
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}
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//qDebug() << '(' << cursor.blockNumber() << ',' << cursor.positionInBlock() << ')';
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int line = cursor.blockNumber();
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int col = cursor.positionInBlock() - SeerHexWidget::HexFieldWidth;
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int byte = (col / hexCharsPerByte()) + (line * bytesPerLine());
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//qDebug() << "(" << line << "," << col << ") =" << byte;
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emit byteOffsetChanged(byte);
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}
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void SeerHexWidget::handleByteOffsetChanged (int byte) {
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//qDebug() << byte;
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// Clear all fields.
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lineEdit_1->setText("");
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lineEdit_2->setText("");
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lineEdit_3->setText("");
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lineEdit_4->setText("");
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lineEdit_5->setText("");
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lineEdit_6->setText("");
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lineEdit_7->setText("");
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lineEdit_8->setText("");
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lineEdit_9->setText("");
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lineEdit_10->setText("");
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if (byte < 0) {
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return;
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}
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// If there's no data, do nothing.
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if (!_pdata) {
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return;
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}
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// Set the endian default.
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QDataStream::ByteOrder byteOrder = QDataStream::BigEndian;
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if (showAsLittleEndianCheckBox->isChecked()) {
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byteOrder = QDataStream::LittleEndian;
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}
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// Set the 'AsHex' default.
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bool unsignedAndFloatAsHex = false;
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if (showUnsignedFloatAsHexCheckBox->isChecked()) {
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unsignedAndFloatAsHex = true;
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}
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// Go through each one and display the value.
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{
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QByteArray arr = _pdata->getData(byte, sizeof(char)); // Extract a bytearray from the data for the size of the value we are after.
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if (arr.size() == sizeof(char)) { // If not the right size, skip it. Near the end of the data.
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lineEdit_1->setText(QString::number(toQInt8(arr, byteOrder))); // Fill in the signed value.
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if (unsignedAndFloatAsHex) { // Show unsigned value as hex?
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if (byteOrder == QDataStream::LittleEndian) { // Swap bytes to handle endianess.
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std::reverse(arr.begin(), arr.end());
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}
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lineEdit_2->setText("0x"+QString(arr.toHex())); // Print value as hex.
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}else{
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lineEdit_2->setText(QString::number(toQUInt8(arr, byteOrder))); // Print value as a value.
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}
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}
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}
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{
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QByteArray arr = _pdata->getData(byte, sizeof(short));
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if (arr.size() == sizeof(short)) {
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lineEdit_3->setText(QString::number(toQInt16(arr, byteOrder)));
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if (unsignedAndFloatAsHex) {
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if (byteOrder == QDataStream::LittleEndian) {
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std::reverse(arr.begin(), arr.end());
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}
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lineEdit_4->setText("0x"+QString(arr.toHex()));
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}else{
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lineEdit_4->setText(QString::number(toQUInt16(arr, byteOrder)));
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}
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}
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}
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{
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QByteArray arr = _pdata->getData(byte, sizeof(float));
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if (arr.size() == sizeof(float)) {
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if (unsignedAndFloatAsHex) {
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if (byteOrder == QDataStream::LittleEndian) {
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std::reverse(arr.begin(), arr.end());
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}
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lineEdit_5->setText("0x"+QString(arr.toHex()));
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}else{
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lineEdit_5->setText(QString::number(toQFloat32(arr, byteOrder)));
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}
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}
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}
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{
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QByteArray arr = _pdata->getData(byte, sizeof(int));
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if (arr.size() == sizeof(int)) {
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lineEdit_6->setText(QString::number(toQInt32(arr, byteOrder)));
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if (unsignedAndFloatAsHex) {
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if (byteOrder == QDataStream::LittleEndian) {
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std::reverse(arr.begin(), arr.end());
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}
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lineEdit_7->setText("0x"+QString(arr.toHex()));
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}else{
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lineEdit_7->setText(QString::number(toQUInt32(arr, byteOrder)));
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}
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}
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}
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{
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QByteArray arr = _pdata->getData(byte, sizeof(long int));
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if (arr.size() == sizeof(long int)) {
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lineEdit_8->setText(QString::number(toQInt64(arr, byteOrder)));
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if (unsignedAndFloatAsHex) {
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if (byteOrder == QDataStream::LittleEndian) {
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std::reverse(arr.begin(), arr.end());
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}
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lineEdit_9->setText("0x"+QString(arr.toHex()));
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}else{
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lineEdit_9->setText(QString::number(toQUInt64(arr, byteOrder)));
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}
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}
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}
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{
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QByteArray arr = _pdata->getData(byte, sizeof(double));
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if (arr.size() == sizeof(double)) {
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if (unsignedAndFloatAsHex) {
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if (byteOrder == QDataStream::LittleEndian) {
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std::reverse(arr.begin(), arr.end());
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}
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lineEdit_10->setText("0x"+QString(arr.toHex()));
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}else{
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lineEdit_10->setText(QString::number(toQFloat64(arr, byteOrder)));
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}
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}
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}
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}
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void SeerHexWidget::create () {
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// Clear the current document. We're going to recreate it.
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clear();
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plainTextEdit->clear();
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// If there's no data, do nothing.
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if (!_pdata) {
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@@ -178,12 +413,12 @@ void SeerHexWidget::create () {
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}
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// Set text formats.
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QTextCharFormat defaultFormat = currentCharFormat();
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QTextCharFormat defaultFormat = plainTextEdit->currentCharFormat();
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QTextCharFormat grayFormat = defaultFormat;
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grayFormat.setBackground(QBrush(Qt::lightGray));
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// Get a cursor
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QTextCursor cursor(textCursor());
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QTextCursor cursor(plainTextEdit->textCursor());
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cursor.movePosition(QTextCursor::Start);
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@@ -195,7 +430,7 @@ void SeerHexWidget::create () {
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// Place a new hex address on the left side.
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if (i % bytesPerLine() == 0) {
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QString address = QString("%1").arg(i + addressOffset(), 12, 16, QChar('0'));
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QString address = QString("%1").arg(i + addressOffset(), SeerHexWidget::HexFieldWidth, 16, QChar('0'));
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QString spacer(" ");
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// Write adress to document.
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