int QHexEdit::qt_metacall(QMetaObject::Call _c, int _id, void **_a)
{
_id = QScrollArea::qt_metacall(_c, _id, _a);
if (_id < 0)
return _id;
if (_c == QMetaObject::InvokeMetaMethod) {
switch (_id) {
case 0: currentAddressChanged((*reinterpret_cast< int(*)>(_a[1]))); break;
case 1: currentSizeChanged((*reinterpret_cast< int(*)>(_a[1]))); break;
case 2: dataChanged(); break;
case 3: overwriteModeChanged((*reinterpret_cast< bool(*)>(_a[1]))); break;
case 4: setAddressWidth((*reinterpret_cast< int(*)>(_a[1]))); break;
case 5: setAddressArea((*reinterpret_cast< bool(*)>(_a[1]))); break;
case 6: setAsciiArea((*reinterpret_cast< bool(*)>(_a[1]))); break;
case 7: setHighlighting((*reinterpret_cast< bool(*)>(_a[1]))); break;
default: ;
}
_id -= 8;
}
#ifndef QT_NO_PROPERTIES
else if (_c == QMetaObject::ReadProperty) {
void *_v = _a[0];
switch (_id) {
case 0: *reinterpret_cast< QByteArray*>(_v) = data(); break;
case 1: *reinterpret_cast< int*>(_v) = addressOffset(); break;
case 2: *reinterpret_cast< QColor*>(_v) = addressAreaColor(); break;
case 3: *reinterpret_cast< QColor*>(_v) = highlightingColor(); break;
case 4: *reinterpret_cast< bool*>(_v) = overwriteMode(); break;
}
_id -= 5;
} else if (_c == QMetaObject::WriteProperty) {
void *_v = _a[0];
switch (_id) {
case 0: setData(*reinterpret_cast< QByteArray*>(_v)); break;
case 1: setAddressOffset(*reinterpret_cast< int*>(_v)); break;
case 2: setAddressAreaColor(*reinterpret_cast< QColor*>(_v)); break;
case 3: setHighlightingColor(*reinterpret_cast< QColor*>(_v)); break;
case 4: setOverwriteMode(*reinterpret_cast< bool*>(_v)); break;
}
_id -= 5;
} else if (_c == QMetaObject::ResetProperty) {
_id -= 5;
} else if (_c == QMetaObject::QueryPropertyDesignable) {
_id -= 5;
} else if (_c == QMetaObject::QueryPropertyScriptable) {
_id -= 5;
} else if (_c == QMetaObject::QueryPropertyStored) {
_id -= 5;
} else if (_c == QMetaObject::QueryPropertyEditable) {
_id -= 5;
} else if (_c == QMetaObject::QueryPropertyUser) {
_id -= 5;
}
#endif // QT_NO_PROPERTIES
return _id;
}
int QHexEditPrivate::qt_metacall(QMetaObject::Call _c, int _id, void **_a)
{
_id = QWidget::qt_metacall(_c, _id, _a);
if (_id < 0)
return _id;
if (_c == QMetaObject::InvokeMetaMethod) {
switch (_id) {
case 0: currentAddressChanged((*reinterpret_cast< int(*)>(_a[1]))); break;
case 1: currentSizeChanged((*reinterpret_cast< int(*)>(_a[1]))); break;
case 2: dataChanged(); break;
case 3: overwriteModeChanged((*reinterpret_cast< bool(*)>(_a[1]))); break;
case 4: updateCursor(); break;
default: ;
}
_id -= 5;
}
return _id;
}
void QHexEditPrivate::paintEvent(QPaintEvent *event)
{
QPainter painter(this);
// draw some patterns if needed
painter.fillRect(event->rect(), this->palette().color(QPalette::Base));
if (_addressArea)
painter.fillRect(QRect(_xPosAdr, event->rect().top(), _xPosHex - GAP_ADR_HEX + 2, height()), _addressAreaColor);
if (_asciiArea)
{
int linePos = _xPosAscii - (GAP_HEX_ASCII / 2);
painter.setPen(Qt::gray);
painter.drawLine(linePos, event->rect().top(), linePos, height());
}
painter.setPen(this->palette().color(QPalette::WindowText));
// calc position
int firstLineIdx = ((event->rect().top()/ _charHeight) - _charHeight) * BYTES_PER_LINE;
if (firstLineIdx < 0)
firstLineIdx = 0;
int lastLineIdx = ((event->rect().bottom() / _charHeight) + _charHeight) * BYTES_PER_LINE;
if (lastLineIdx > _xData.size())
lastLineIdx = _xData.size();
int yPosStart = ((firstLineIdx) / BYTES_PER_LINE) * _charHeight + _charHeight;
// paint address area
if (_addressArea)
{
for (int lineIdx = firstLineIdx, yPos = yPosStart; lineIdx < lastLineIdx; lineIdx += BYTES_PER_LINE, yPos +=_charHeight)
{
QString address = QString("%1")
.arg(lineIdx + _xData.addressOffset(), _xData.realAddressNumbers(), 16, QChar('0'));
painter.drawText(_xPosAdr, yPos, address);
}
}
// paint hex area
QByteArray hexBa(_xData.data().mid(firstLineIdx, lastLineIdx - firstLineIdx + 1).toHex());
QBrush highLighted = QBrush(_highlightingColor);
QPen colHighlighted = QPen(this->palette().color(QPalette::WindowText));
QBrush selected = QBrush(_selectionColor);
QPen colSelected = QPen(Qt::white);
QPen colStandard = QPen(this->palette().color(QPalette::WindowText));
painter.setBackgroundMode(Qt::TransparentMode);
for (int lineIdx = firstLineIdx, yPos = yPosStart; lineIdx < lastLineIdx; lineIdx += BYTES_PER_LINE, yPos +=_charHeight)
{
QByteArray hex;
int xPos = _xPosHex;
for (int colIdx = 0; ((lineIdx + colIdx) < _xData.size() && (colIdx < BYTES_PER_LINE)); colIdx++)
{
int posBa = lineIdx + colIdx;
if ((getSelectionBegin() <= posBa) && (getSelectionEnd() > posBa))
{
painter.setBackground(selected);
painter.setBackgroundMode(Qt::OpaqueMode);
painter.setPen(colSelected);
}
else
{
if (_highlighting)
{
// hilight diff bytes
painter.setBackground(highLighted);
if (_xData.dataChanged(posBa))
{
painter.setPen(colHighlighted);
painter.setBackgroundMode(Qt::OpaqueMode);
}
else
{
painter.setPen(colStandard);
painter.setBackgroundMode(Qt::TransparentMode);
}
}
}
// render hex value
if (colIdx == 0)
{
hex = hexBa.mid((lineIdx - firstLineIdx) * 2, 2);
painter.drawText(xPos, yPos, hex.toUpper());
xPos += 2 * _charWidth;
} else {
hex = hexBa.mid((lineIdx + colIdx - firstLineIdx) * 2, 2).prepend(" ");
painter.drawText(xPos, yPos, hex.toUpper());
xPos += 3 * _charWidth;
}
}
}
painter.setBackgroundMode(Qt::TransparentMode);
painter.setPen(this->palette().color(QPalette::WindowText));
// paint ascii area
if (_asciiArea)
{
for (int lineIdx = firstLineIdx, yPos = yPosStart; lineIdx < lastLineIdx; lineIdx += BYTES_PER_LINE, yPos +=_charHeight)
{
int xPosAscii = _xPosAscii;
for (int colIdx = 0; ((lineIdx + colIdx) < _xData.size() && (colIdx < BYTES_PER_LINE)); colIdx++)
{
painter.drawText(xPosAscii, yPos, _xData.asciiChar(lineIdx + colIdx));
xPosAscii += _charWidth;
}
}
}
// paint cursor
if (_blink && !_readOnly && hasFocus())
{
if (_overwriteMode)
painter.fillRect(_cursorX, _cursorY + _charHeight - 2, _charWidth, 2, this->palette().color(QPalette::WindowText));
else
painter.fillRect(_cursorX, _cursorY, 2, _charHeight, this->palette().color(QPalette::WindowText));
}
if (_size != _xData.size())
{
_size = _xData.size();
emit currentSizeChanged(_size);
}
}
void QHexEditPrivate::paintEvent(QPaintEvent *event)
{
QPainter painter(this);
// draw some patterns if needed
painter.fillRect(event->rect(), this->palette().color(QPalette::Base));
if (_addressArea)
painter.fillRect(QRect(_xPosAdr, event->rect().top(), _xPosHex - GAP_ADR_HEX + 2, height()), _addressAreaColor);
if (_asciiArea)
{
int linePos = _xPosAscii - (GAP_HEX_ASCII / 2);
painter.setPen(Qt::gray);
painter.drawLine(linePos, event->rect().top(), linePos, height());
}
painter.setPen(this->palette().color(QPalette::WindowText));
// calc position
int firstLineIdx = ((event->rect().top()/ _charHeight) - _charHeight) * BYTES_PER_LINE;
if (firstLineIdx < 0)
firstLineIdx = 0;
int lastLineIdx = ((event->rect().bottom() / _charHeight) + _charHeight) * BYTES_PER_LINE;
if (lastLineIdx > _data.size())
lastLineIdx = _data.size();
int yPosStart = ((firstLineIdx) / BYTES_PER_LINE) * _charHeight + _charHeight;
// paint address area
if (_addressArea)
{
for (int lineIdx = firstLineIdx, yPos = yPosStart; lineIdx < lastLineIdx; lineIdx += BYTES_PER_LINE, yPos +=_charHeight)
{
QString address = QString("%1")
.arg(lineIdx + _addressOffset, _realAddressNumbers, 16, QChar('0'));
// address.insert(address.length()-4,':');
painter.drawText(_xPosAdr, yPos, address.toUpper());
}
}
// paint hex area
QByteArray hexBa(_data.mid(firstLineIdx, lastLineIdx - firstLineIdx + 1).toHex());
QBrush highLighted = QBrush(_highlightingColor);
QPen colHighlighted = QPen(this->palette().color(QPalette::WindowText));
QBrush selected = QBrush(_selectionColor);
QPen colSelected = QPen(Qt::white);
QPen colStandard = QPen(this->palette().color(QPalette::WindowText));
painter.setBackgroundMode(Qt::TransparentMode);
for (int lineIdx = firstLineIdx, yPos = yPosStart; lineIdx < lastLineIdx; lineIdx += BYTES_PER_LINE, yPos +=_charHeight)
{
QByteArray hex;
int xPos = _xPosHex;
QString hl_block;
int hl_block_i;
if (_highlighting)
{
painter.setPen(Qt::yellow);
hl_block_i=0;
hl_block="██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██";
for (int colIdx = 0; ((lineIdx + colIdx) < _data.size() and (colIdx < BYTES_PER_LINE)); colIdx++)
{
int posBa = lineIdx + colIdx;
if (_changedData[posBa])
{
hl_block[hl_block_i] = QChar(' ');
hl_block[hl_block_i+1] = QChar(' ');
}
hl_block_i=hl_block_i+3;
}
if(hl_block_i!=0)
{
while(hl_block_i<hl_block.size())
{
hl_block[hl_block_i] = QChar(' ');
hl_block_i++;
}
painter.drawText(xPos, yPos, hl_block);
}
}
if (_exteralHl.size()!=0)
{
painter.setPen(Qt::green);
hl_block_i=0;
hl_block="██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██";
for (int colIdx = 0; ((lineIdx + colIdx) < _data.size() and (colIdx < BYTES_PER_LINE)); colIdx++)
{
int posBa = lineIdx + colIdx;
if (_exteralHl[posBa]=='\0')
{
hl_block[hl_block_i] = QChar(' ');
hl_block[hl_block_i+1] = QChar(' ');
}
hl_block_i=hl_block_i+3;
}
if(hl_block_i!=0)
{
while(hl_block_i<hl_block.size())
{
hl_block[hl_block_i] = QChar(' ');
hl_block_i++;
}
painter.drawText(xPos, yPos, hl_block);
}
}
// if (_selected)
painter.setPen(Qt::cyan);
hl_block_i=0;
hl_block="██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██";
for (int colIdx = 0; ((lineIdx + colIdx) < _data.size() and (colIdx < BYTES_PER_LINE)); colIdx++)
{
int posBa = lineIdx + colIdx;
if (!((getSelectionBegin() <= posBa) && (getSelectionEnd() > posBa)))
{
hl_block[hl_block_i] = QChar(' ');
hl_block[hl_block_i+1] = QChar(' ');
}
hl_block_i=hl_block_i+3;
}
if(hl_block_i!=0)
{
while(hl_block_i<hl_block.size())
{
hl_block[hl_block_i] = QChar(' ');
hl_block_i++;
}
painter.drawText(xPos, yPos, hl_block);
}
painter.setPen(this->palette().color(QPalette::WindowText));
hex = hexBa.mid((lineIdx - firstLineIdx) * 2, BYTES_PER_LINE * 2);
QString new_hex=" "; //BYTES_PER_LINE*3
int i_new_hex = 0;
for(int i_hex=0;i_hex<hex.size();i_hex++,i_new_hex++)
{
new_hex[i_new_hex] = hex[i_hex];
if((i_hex+1)%2 == 0)i_new_hex++;
}
painter.drawText(xPos, yPos, new_hex.toUpper());
}
painter.setBackgroundMode(Qt::TransparentMode);
painter.setPen(this->palette().color(QPalette::WindowText));
// paint ascii area
if (_asciiArea)
{
for (int lineIdx = firstLineIdx, yPos = yPosStart; lineIdx < lastLineIdx; lineIdx += BYTES_PER_LINE, yPos +=_charHeight)
{
QByteArray ascii = _data.mid(lineIdx, BYTES_PER_LINE);
for (int idx=0; idx < ascii.size(); idx++)
if (((char)ascii[idx] < 0x20) or ((char)ascii[idx] > 0x7e))
ascii[idx] = '.';
painter.drawText(_xPosAscii, yPos, ascii);
}
}
// paint cursor
if (_blink)
{
if (_overwriteMode)
painter.fillRect(_cursorX, _cursorY + _charHeight - 2, _charWidth, 2, this->palette().color(QPalette::WindowText));
else
painter.fillRect(_cursorX, _cursorY, 2, _charHeight, this->palette().color(QPalette::WindowText));
}
if (_size != _data.size())
{
_size = _data.size();
emit currentSizeChanged(_size);
}
QString adr; adr.setNum(_cursorPosition/2,16); adr = adr.toUpper();
while(adr.length()<8)
{
adr.prepend("0");
}
QString val; val.setNum(_data[_cursorPosition/2],16); val = val.toUpper();
if(val.length()<2)val.prepend("0");
val = val.mid(val.length()-2,2);
QString bval; bval.setNum(_data[_cursorPosition/2],2);
while(bval.length()<8)bval.prepend("0");
if(bval.length()>8)
{
bval = bval.mid(bval.length()-8,8);
}
emit updateText("Address: "+adr+" Value: "+val+" Binary: "+bval);
}
void QHexEdit::paintEvent(QPaintEvent *event)
{
QPainter painter(viewport());
if (event->rect() != _cursorRect)
{
// process some useful calculations
int pxOfsX = horizontalScrollBar()->value();
int pxPosStartY = _pxCharHeight;
// draw some patterns if needed
painter.fillRect(event->rect(), viewport()->palette().color(QPalette::Base));
if (_addressArea)
painter.fillRect(QRect(-pxOfsX, event->rect().top(), _pxPosHexX - _pxGapAdrHex/2 - pxOfsX, height()), _addressAreaColor);
if (_asciiArea)
{
int linePos = _pxPosAsciiX - (_pxGapHexAscii / 2);
painter.setPen(Qt::gray);
painter.drawLine(linePos - pxOfsX, event->rect().top(), linePos - pxOfsX, height());
}
painter.setPen(viewport()->palette().color(QPalette::WindowText));
// paint address area
if (_addressArea)
{
QString address;
for (int row=0, pxPosY = _pxCharHeight; row <= (_dataShown.size()/BYTES_PER_LINE); row++, pxPosY +=_pxCharHeight)
{
address = QString("%1").arg(_bPosFirst + row*BYTES_PER_LINE + _addressOffset, _addrDigits, 16, QChar('0'));
painter.drawText(_pxPosAdrX - pxOfsX, pxPosY, address);
}
}
// paint hex and ascii area
QPen colStandard = QPen(viewport()->palette().color(QPalette::WindowText));
painter.setBackgroundMode(Qt::TransparentMode);
for (int row = 0, pxPosY = pxPosStartY; row <= _rowsShown; row++, pxPosY +=_pxCharHeight)
{
QByteArray hex;
int pxPosX = _pxPosHexX - pxOfsX;
int pxPosAsciiX2 = _pxPosAsciiX - pxOfsX;
qint64 bPosLine = row * BYTES_PER_LINE;
for (int colIdx = 0; ((bPosLine + colIdx) < _dataShown.size() && (colIdx < BYTES_PER_LINE)); colIdx++)
{
QColor c = viewport()->palette().color(QPalette::Base);
painter.setPen(colStandard);
qint64 posBa = _bPosFirst + bPosLine + colIdx;
if ((getSelectionBegin() <= posBa) && (getSelectionEnd() > posBa))
{
c = _brushSelection.color();
painter.setPen(_penSelection);
}
else
{
if (_highlighting)
if (_markedShown.at((int)(posBa - _bPosFirst)))
{
c = _brushHighlighted.color();
painter.setPen(_penHighlighted);
}
}
// render hex value
QRect r;
if (colIdx == 0)
r.setRect(pxPosX, pxPosY - _pxCharHeight + _pxSelectionSub, 2*_pxCharWidth, _pxCharHeight);
else
r.setRect(pxPosX - _pxCharWidth, pxPosY - _pxCharHeight + _pxSelectionSub, 3*_pxCharWidth, _pxCharHeight);
painter.fillRect(r, c);
hex = _hexDataShown.mid((bPosLine + colIdx) * 2, 2);
painter.drawText(pxPosX, pxPosY, hex);
pxPosX += 3*_pxCharWidth;
// render ascii value
if (_asciiArea)
{
char ch = _dataShown.at(bPosLine + colIdx);
if ((ch < 0x20) || (ch > 0x7e))
ch = '.';
r.setRect(pxPosAsciiX2, pxPosY - _pxCharHeight + _pxSelectionSub, _pxCharWidth, _pxCharHeight);
painter.fillRect(r, c);
painter.drawText(pxPosAsciiX2, pxPosY, QChar(ch));
pxPosAsciiX2 += _pxCharWidth;
}
}
}
painter.setBackgroundMode(Qt::TransparentMode);
painter.setPen(viewport()->palette().color(QPalette::WindowText));
}
// paint cursor
if (_blink && !_readOnly && hasFocus())
painter.fillRect(_cursorRect, this->palette().color(QPalette::WindowText));
else
painter.drawText(_pxCursorX, _pxCursorY, _hexDataShown.mid(_cursorPosition - _bPosFirst * 2, 1));
// emit event, if size has changed
if (_lastEventSize != _chunks->size())
{
_lastEventSize = _chunks->size();
emit currentSizeChanged(_lastEventSize);
}
}
void QHexEdit::paintEvent(QPaintEvent *event)
{
QPainter painter(viewport());
int pxOfsX = horizontalScrollBar()->value();
if (event->rect() != _cursorRect)
{
int pxPosStartY = _pxCharHeight;
// draw some patterns if needed
painter.fillRect(event->rect(), viewport()->palette().color(QPalette::Base));
if (_addressArea)
painter.fillRect(QRect(-pxOfsX, event->rect().top(), _pxPosHexX - _pxGapAdrHex/2, height()), _addressAreaColor);
if (_asciiArea)
{
int linePos = _pxPosAsciiX - (_pxGapHexAscii / 2);
painter.setPen(Qt::gray);
painter.drawLine(linePos - pxOfsX, event->rect().top(), linePos - pxOfsX, height());
}
painter.setPen(viewport()->palette().color(QPalette::WindowText));
// paint address area
if (_addressArea)
{
QString address;
for (int row=0, pxPosY = _pxCharHeight; row <= (_dataShown.size()/_bytesPerLine); row++, pxPosY +=_pxCharHeight)
{
address = QString("%1").arg(_bPosFirst + row*_bytesPerLine + _addressOffset, _addrDigits, 16, QChar('0'));
painter.drawText(_pxPosAdrX - pxOfsX, pxPosY, address);
}
}
// paint hex and ascii area
QPen colStandard = QPen(viewport()->palette().color(QPalette::WindowText));
painter.setBackgroundMode(Qt::TransparentMode);
for (int row = 0, pxPosY = pxPosStartY; row <= _rowsShown; row++, pxPosY +=_pxCharHeight)
{
QByteArray hex;
int pxPosX = _pxPosHexX - pxOfsX;
int pxPosAsciiX2 = _pxPosAsciiX - pxOfsX;
qint64 bPosLine = row * _bytesPerLine;
for (int colIdx = 0; ((bPosLine + colIdx) < _dataShown.size() && (colIdx < _bytesPerLine)); colIdx++)
{
QColor c = viewport()->palette().color(QPalette::Base);
painter.setPen(colStandard);
qint64 posBa = _bPosFirst + bPosLine + colIdx;
if ((getSelectionBegin() <= posBa) && (getSelectionEnd() > posBa))
{
c = _brushSelection.color();
painter.setPen(_penSelection);
}
else
{
if (_highlighting)
if (_markedShown.at((int)(posBa - _bPosFirst)))
{
c = _brushHighlighted.color();
painter.setPen(_penHighlighted);
}
}
// render hex value
QRect r;
if (colIdx == 0)
r.setRect(pxPosX, pxPosY - _pxCharHeight + _pxSelectionSub, 2*_pxCharWidth, _pxCharHeight);
else
r.setRect(pxPosX - _pxCharWidth, pxPosY - _pxCharHeight + _pxSelectionSub, 3*_pxCharWidth, _pxCharHeight);
painter.fillRect(r, c);
hex = _hexDataShown.mid((bPosLine + colIdx) * 2, 2);
painter.drawText(pxPosX, pxPosY, hexCaps()?hex.toUpper():hex);
pxPosX += 3*_pxCharWidth;
// render ascii value
if (_asciiArea)
{
int ch = (uchar)_dataShown.at(bPosLine + colIdx);
if ( ch < ' ' || ch > '~' )
ch = '.';
r.setRect(pxPosAsciiX2, pxPosY - _pxCharHeight + _pxSelectionSub, _pxCharWidth, _pxCharHeight);
painter.fillRect(r, c);
painter.drawText(pxPosAsciiX2, pxPosY, QChar(ch));
pxPosAsciiX2 += _pxCharWidth;
}
}
}
painter.setBackgroundMode(Qt::TransparentMode);
painter.setPen(viewport()->palette().color(QPalette::WindowText));
}
// _cursorPosition counts in 2, _bPosFirst counts in 1
int hexPositionInShowData = _cursorPosition - 2 * _bPosFirst;
// due to scrolling the cursor can go out of the currently displayed data
if ((hexPositionInShowData >= 0) && (hexPositionInShowData < _hexDataShown.size()))
{
// paint cursor
if (_readOnly)
{
// make the background stick out
QColor color = viewport()->palette().dark().color();
painter.fillRect(QRect(_pxCursorX - pxOfsX, _pxCursorY - _pxCharHeight + _pxSelectionSub, _pxCharWidth, _pxCharHeight), color);
}
else
{
if (_blink && hasFocus())
painter.fillRect(_cursorRect, this->palette().color(QPalette::WindowText));
}
if (_editAreaIsAscii)
{
// every 2 hex there is 1 ascii
int asciiPositionInShowData = hexPositionInShowData / 2;
int ch = (uchar)_dataShown.at(asciiPositionInShowData);
if (ch < ' ' || ch > '~')
ch = '.';
painter.drawText(_pxCursorX - pxOfsX, _pxCursorY, QChar(ch));
}
else
{
painter.drawText(_pxCursorX - pxOfsX, _pxCursorY, _hexDataShown.mid(hexPositionInShowData, 1));
}
}
// emit event, if size has changed
if (_lastEventSize != _chunks->size())
{
_lastEventSize = _chunks->size();
emit currentSizeChanged(_lastEventSize);
}
}
void QHexEditPrivate::paintEvent(QPaintEvent *event)
{
QPainter painter(this);
// draw some patterns if needed
painter.fillRect(event->rect(), this->palette().color(QPalette::Base));
if (_addressArea)
painter.fillRect(QRect(_xPosAdr, event->rect().top(), _xPosHex - GAP_ADR_HEX + 2, height()), _addressAreaColor);
if (_asciiArea)
{
int linePos = _xPosAscii - (GAP_HEX_ASCII / 2);
painter.setPen(Qt::gray);
painter.drawLine(linePos, event->rect().top(), linePos, height());
}
painter.setPen(this->palette().color(QPalette::WindowText));
// calc position
int firstLineIdx = ((event->rect().top()/ _charHeight) - _charHeight) * BYTES_PER_LINE;
if (firstLineIdx < 0)
firstLineIdx = 0;
int lastLineIdx = ((event->rect().bottom() / _charHeight) + _charHeight) * BYTES_PER_LINE;
if (lastLineIdx > _data.size())
lastLineIdx = _data.size();
int yPosStart = ((firstLineIdx) / BYTES_PER_LINE) * _charHeight + _charHeight;
// paint address area
if (_addressArea)
{
for (int lineIdx = firstLineIdx, yPos = yPosStart; lineIdx < lastLineIdx; lineIdx += BYTES_PER_LINE, yPos +=_charHeight)
{
QString address = QString("%1")
.arg(lineIdx + _addressOffset, _realAddressNumbers, 16, QChar('0'));
painter.drawText(_xPosAdr, yPos, address);
}
}
// paint hex area
QByteArray hexBa(_data.mid(firstLineIdx, lastLineIdx - firstLineIdx + 1).toHex());
QBrush highLighted = QBrush(_highlightingColor);
painter.setBackground(highLighted);
painter.setBackgroundMode(Qt::TransparentMode);
for (int lineIdx = firstLineIdx, yPos = yPosStart; lineIdx < lastLineIdx; lineIdx += BYTES_PER_LINE, yPos +=_charHeight)
{
QByteArray hex;
int xPos = _xPosHex;
for (int colIdx = 0; ((lineIdx + colIdx) < _data.size() and (colIdx < BYTES_PER_LINE)); colIdx++)
{
// hilight diff bytes
if (_highlighting)
{
int posBa = lineIdx + colIdx;
if (posBa >= _originalData.size())
painter.setBackgroundMode(Qt::TransparentMode);
else
if (_data[posBa] == _originalData[posBa])
painter.setBackgroundMode(Qt::TransparentMode);
else
painter.setBackgroundMode(Qt::OpaqueMode);
}
// render hex value
if (colIdx == 0)
{
hex = hexBa.mid((lineIdx - firstLineIdx) * 2, 2);
painter.drawText(xPos, yPos, hex);
xPos += 2 * _charWidth;
} else {
hex = hexBa.mid((lineIdx + colIdx - firstLineIdx) * 2, 2).prepend(" ");
painter.drawText(xPos, yPos, hex);
xPos += 3 * _charWidth;
}
}
}
painter.setBackgroundMode(Qt::TransparentMode);
// paint ascii area
if (_asciiArea)
{
for (int lineIdx = firstLineIdx, yPos = yPosStart; lineIdx < lastLineIdx; lineIdx += BYTES_PER_LINE, yPos +=_charHeight)
{
QByteArray ascii = _data.mid(lineIdx, BYTES_PER_LINE);
for (int idx=0; idx < ascii.size(); idx++)
if (((char)ascii[idx] < 0x20) or ((char)ascii[idx] > 0x7e))
ascii[idx] = '.';
painter.drawText(_xPosAscii, yPos, ascii);
}
}
// paint cursor
if (_blink)
{
if (_overwriteMode)
painter.fillRect(_cursorX, _cursorY + _charHeight - 2, _charWidth, 2, this->palette().color(QPalette::WindowText));
else
painter.fillRect(_cursorX, _cursorY, 2, _charHeight, this->palette().color(QPalette::WindowText));
}
if (_size != _data.size())
{
_size = _data.size();
emit currentSizeChanged(_size);
}
}