void QHexEditPrivate::setOverwriteMode(bool overwriteMode)
{
if (overwriteMode != _overwriteMode)
{
emit overwriteModeChanged(overwriteMode);
_overwriteMode = overwriteMode;
adjust();
}
}
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::keyPressEvent(QKeyEvent *event)
{
int charX = (_cursorX - _xPosHex) / _charWidth;
int posX = (charX / 3) * 2 + (charX % 3);
int posBa = (_cursorY / _charHeight) * BYTES_PER_LINE + posX / 2;
/*****************************************************************************/
/* Cursor movements */
/*****************************************************************************/
if (event->matches(QKeySequence::MoveToNextChar))
{
setCursorPos(_cursorPosition + 1);
resetSelection(_cursorPosition);
}
if (event->matches(QKeySequence::MoveToPreviousChar))
{
setCursorPos(_cursorPosition - 1);
resetSelection(_cursorPosition);
}
if (event->matches(QKeySequence::MoveToEndOfLine))
{
setCursorPos(_cursorPosition | (2 * BYTES_PER_LINE -1));
resetSelection(_cursorPosition);
}
if (event->matches(QKeySequence::MoveToStartOfLine))
{
setCursorPos(_cursorPosition - (_cursorPosition % (2 * BYTES_PER_LINE)));
resetSelection(_cursorPosition);
}
if (event->matches(QKeySequence::MoveToPreviousLine))
{
setCursorPos(_cursorPosition - (2 * BYTES_PER_LINE));
resetSelection(_cursorPosition);
}
if (event->matches(QKeySequence::MoveToNextLine))
{
setCursorPos(_cursorPosition + (2 * BYTES_PER_LINE));
resetSelection(_cursorPosition);
}
if (event->matches(QKeySequence::MoveToNextPage))
{
setCursorPos(_cursorPosition + (((_scrollArea->viewport()->height() / _charHeight) - 1) * 2 * BYTES_PER_LINE));
resetSelection(_cursorPosition);
}
if (event->matches(QKeySequence::MoveToPreviousPage))
{
setCursorPos(_cursorPosition - (((_scrollArea->viewport()->height() / _charHeight) - 1) * 2 * BYTES_PER_LINE));
resetSelection(_cursorPosition);
}
if (event->matches(QKeySequence::MoveToEndOfDocument))
{
setCursorPos(_xData.size() * 2);
resetSelection(_cursorPosition);
}
if (event->matches(QKeySequence::MoveToStartOfDocument))
{
setCursorPos(0);
resetSelection(_cursorPosition);
}
/*****************************************************************************/
/* Select commands */
/*****************************************************************************/
if (event->matches(QKeySequence::SelectAll))
{
resetSelection(0);
setSelection(2*_xData.size() + 1);
}
if (event->matches(QKeySequence::SelectNextChar))
{
int pos = _cursorPosition + 1;
setCursorPos(pos);
setSelection(pos);
}
if (event->matches(QKeySequence::SelectPreviousChar))
{
int pos = _cursorPosition - 1;
setSelection(pos);
setCursorPos(pos);
}
if (event->matches(QKeySequence::SelectEndOfLine))
{
int pos = _cursorPosition - (_cursorPosition % (2 * BYTES_PER_LINE)) + (2 * BYTES_PER_LINE);
setCursorPos(pos);
setSelection(pos);
}
if (event->matches(QKeySequence::SelectStartOfLine))
{
int pos = _cursorPosition - (_cursorPosition % (2 * BYTES_PER_LINE));
setCursorPos(pos);
setSelection(pos);
}
if (event->matches(QKeySequence::SelectPreviousLine))
{
int pos = _cursorPosition - (2 * BYTES_PER_LINE);
setCursorPos(pos);
setSelection(pos);
}
if (event->matches(QKeySequence::SelectNextLine))
{
int pos = _cursorPosition + (2 * BYTES_PER_LINE);
setCursorPos(pos);
setSelection(pos);
}
if (event->matches(QKeySequence::SelectNextPage))
{
int pos = _cursorPosition + (((_scrollArea->viewport()->height() / _charHeight) - 1) * 2 * BYTES_PER_LINE);
setCursorPos(pos);
setSelection(pos);
}
if (event->matches(QKeySequence::SelectPreviousPage))
{
int pos = _cursorPosition - (((_scrollArea->viewport()->height() / _charHeight) - 1) * 2 * BYTES_PER_LINE);
setCursorPos(pos);
setSelection(pos);
}
if (event->matches(QKeySequence::SelectEndOfDocument))
{
int pos = _xData.size() * 2;
setCursorPos(pos);
setSelection(pos);
}
if (event->matches(QKeySequence::SelectStartOfDocument))
{
int pos = 0;
setCursorPos(pos);
setSelection(pos);
}
/*****************************************************************************/
/* Edit Commands */
/*****************************************************************************/
if (!_readOnly)
{
/* Hex input */
int key = int(event->text()[0].toAscii());
if ((key>='0' && key<='9') || (key>='a' && key <= 'f'))
{
if (getSelectionBegin() != getSelectionEnd())
{
posBa = getSelectionBegin();
remove(posBa, getSelectionEnd() - posBa);
setCursorPos(2*posBa);
resetSelection(2*posBa);
}
// If insert mode, then insert a byte
if (_overwriteMode == false)
if ((charX % 3) == 0)
{
insert(posBa, char(0));
}
// Change content
if (_xData.size() > 0)
{
QByteArray hexValue = _xData.data().mid(posBa, 1).toHex();
if ((charX % 3) == 0)
hexValue[0] = key;
else
hexValue[1] = key;
replace(posBa, QByteArray().fromHex(hexValue)[0]);
setCursorPos(_cursorPosition + 1);
resetSelection(_cursorPosition);
}
}
/* Cut & Paste */
if (event->matches(QKeySequence::Cut))
{
QString result = QString();
for (int idx = getSelectionBegin(); idx < getSelectionEnd(); idx++)
{
result += _xData.data().mid(idx, 1).toHex() + " ";
if ((idx % 16) == 15)
result.append("\n");
}
remove(getSelectionBegin(), getSelectionEnd() - getSelectionBegin());
QClipboard *clipboard = QApplication::clipboard();
clipboard->setText(result);
setCursorPos(getSelectionBegin());
resetSelection(getSelectionBegin());
}
if (event->matches(QKeySequence::Paste))
{
QClipboard *clipboard = QApplication::clipboard();
QByteArray ba = QByteArray().fromHex(clipboard->text().toLatin1());
insert(_cursorPosition / 2, ba);
setCursorPos(_cursorPosition + 2 * ba.length());
resetSelection(getSelectionBegin());
}
/* Delete char */
if (event->matches(QKeySequence::Delete))
{
if (getSelectionBegin() != getSelectionEnd())
{
posBa = getSelectionBegin();
remove(posBa, getSelectionEnd() - posBa);
setCursorPos(2*posBa);
resetSelection(2*posBa);
}
else
{
if (_overwriteMode)
replace(posBa, char(0));
else
remove(posBa, 1);
}
}
/* Backspace */
if ((event->key() == Qt::Key_Backspace) && (event->modifiers() == Qt::NoModifier))
{
if (getSelectionBegin() != getSelectionEnd())
{
posBa = getSelectionBegin();
remove(posBa, getSelectionEnd() - posBa);
setCursorPos(2*posBa);
resetSelection(2*posBa);
}
else
{
if (posBa > 0)
{
if (_overwriteMode)
replace(posBa - 1, char(0));
else
remove(posBa - 1, 1);
setCursorPos(_cursorPosition - 2);
}
}
}
/* undo */
if (event->matches(QKeySequence::Undo))
{
undo();
}
/* redo */
if (event->matches(QKeySequence::Redo))
{
redo();
}
}
if (event->matches(QKeySequence::Copy))
{
QString result = QString();
for (int idx = getSelectionBegin(); idx < getSelectionEnd(); idx++)
{
result += _xData.data().mid(idx, 1).toHex() + " ";
if ((idx % 16) == 15)
result.append('\n');
}
QClipboard *clipboard = QApplication::clipboard();
clipboard->setText(result.toUpper());
}
// Switch between insert/overwrite mode
if ((event->key() == Qt::Key_Insert) && (event->modifiers() == Qt::NoModifier))
{
_overwriteMode = !_overwriteMode;
setCursorPos(_cursorPosition);
overwriteModeChanged(_overwriteMode);
}
ensureVisible();
update();
}
void QHexEdit::setOverwriteMode(bool overwriteMode)
{
_overwriteMode = overwriteMode;
emit overwriteModeChanged(overwriteMode);
}
