860 lines
24 KiB
C++
860 lines
24 KiB
C++
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#include <QtGui>
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#include "qhexedit_p.h"
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#include "commands.h"
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const int HEXCHARS_IN_LINE = 47;
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const int GAP_ADR_HEX = 10;
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const int GAP_HEX_ASCII = 16;
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const int BYTES_PER_LINE = 16;
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QHexEditPrivate::QHexEditPrivate(QScrollArea *parent) : QWidget(parent)
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{
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_undoStack = new QUndoStack(this);
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_scrollArea = parent;
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setAddressWidth(4);
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setAddressOffset(0);
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setAddressArea(true);
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setAsciiArea(true);
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setHighlighting(true);
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setOverwriteMode(true);
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setReadOnly(false);
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setAddressAreaColor(QColor(0xd4, 0xd4, 0xd4, 0xff));
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setHighlightingColor(QColor(0xff, 0xff, 0x99, 0xff));
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setSelectionColor(QColor(0x6d, 0x9e, 0xff, 0xff));
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setFont(QFont("Courier", 10));
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_size = 0;
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resetSelection(0);
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setFocusPolicy(Qt::StrongFocus);
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connect(&_cursorTimer, SIGNAL(timeout()), this, SLOT(updateCursor()));
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_cursorTimer.setInterval(500);
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_cursorTimer.start();
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}
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void QHexEditPrivate::setAddressOffset(int offset)
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{
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_xData.setAddressOffset(offset);
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adjust();
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}
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int QHexEditPrivate::addressOffset()
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{
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return _xData.addressOffset();
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}
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void QHexEditPrivate::setData(const QByteArray &data)
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{
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_xData.setData(data);
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_undoStack->clear();
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adjust();
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setCursorPos(0);
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}
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QByteArray QHexEditPrivate::data()
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{
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return _xData.data();
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}
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void QHexEditPrivate::setAddressAreaColor(const QColor &color)
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{
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_addressAreaColor = color;
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update();
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}
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QColor QHexEditPrivate::addressAreaColor()
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{
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return _addressAreaColor;
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}
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void QHexEditPrivate::setHighlightingColor(const QColor &color)
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{
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_highlightingColor = color;
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update();
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}
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QColor QHexEditPrivate::highlightingColor()
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{
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return _highlightingColor;
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}
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void QHexEditPrivate::setSelectionColor(const QColor &color)
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{
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_selectionColor = color;
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update();
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}
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QColor QHexEditPrivate::selectionColor()
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{
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return _selectionColor;
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}
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void QHexEditPrivate::setReadOnly(bool readOnly)
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{
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_readOnly = readOnly;
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}
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bool QHexEditPrivate::isReadOnly()
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{
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return _readOnly;
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}
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XByteArray & QHexEditPrivate::xData()
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{
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return _xData;
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}
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int QHexEditPrivate::indexOf(const QByteArray & ba, int from)
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{
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if (from > (_xData.data().length() - 1))
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from = _xData.data().length() - 1;
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int idx = _xData.data().indexOf(ba, from);
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if (idx > -1)
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{
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int curPos = idx*2;
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setCursorPos(curPos + ba.length()*2);
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resetSelection(curPos);
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setSelection(curPos + ba.length()*2);
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ensureVisible();
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}
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return idx;
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}
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void QHexEditPrivate::insert(int index, const QByteArray & ba)
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{
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if (ba.length() > 0)
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{
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if (_overwriteMode)
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{
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QUndoCommand *arrayCommand= new ArrayCommand(&_xData, ArrayCommand::replace, index, ba, ba.length());
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_undoStack->push(arrayCommand);
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emit dataChanged();
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}
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else
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{
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QUndoCommand *arrayCommand= new ArrayCommand(&_xData, ArrayCommand::insert, index, ba, ba.length());
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_undoStack->push(arrayCommand);
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emit dataChanged();
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}
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}
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}
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void QHexEditPrivate::insert(int index, char ch)
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{
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QUndoCommand *charCommand = new CharCommand(&_xData, CharCommand::insert, index, ch);
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_undoStack->push(charCommand);
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emit dataChanged();
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}
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int QHexEditPrivate::lastIndexOf(const QByteArray & ba, int from)
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{
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from -= ba.length();
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if (from < 0)
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from = 0;
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int idx = _xData.data().lastIndexOf(ba, from);
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if (idx > -1)
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{
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int curPos = idx*2;
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setCursorPos(curPos);
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resetSelection(curPos);
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setSelection(curPos + ba.length()*2);
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ensureVisible();
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}
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return idx;
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}
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void QHexEditPrivate::remove(int index, int len)
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{
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if (len > 0)
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{
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if (len == 1)
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{
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if (_overwriteMode)
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{
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QUndoCommand *charCommand = new CharCommand(&_xData, CharCommand::replace, index, char(0));
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_undoStack->push(charCommand);
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emit dataChanged();
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}
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else
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{
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QUndoCommand *charCommand = new CharCommand(&_xData, CharCommand::remove, index, char(0));
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_undoStack->push(charCommand);
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emit dataChanged();
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}
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}
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else
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{
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QByteArray ba = QByteArray(len, char(0));
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if (_overwriteMode)
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{
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QUndoCommand *arrayCommand = new ArrayCommand(&_xData, ArrayCommand::replace, index, ba, ba.length());
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_undoStack->push(arrayCommand);
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emit dataChanged();
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}
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else
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{
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QUndoCommand *arrayCommand= new ArrayCommand(&_xData, ArrayCommand::remove, index, ba, len);
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_undoStack->push(arrayCommand);
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emit dataChanged();
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}
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}
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}
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}
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void QHexEditPrivate::replace(int index, char ch)
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{
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QUndoCommand *charCommand = new CharCommand(&_xData, CharCommand::replace, index, ch);
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_undoStack->push(charCommand);
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resetSelection();
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emit dataChanged();
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}
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void QHexEditPrivate::replace(int index, const QByteArray & ba)
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{
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QUndoCommand *arrayCommand= new ArrayCommand(&_xData, ArrayCommand::replace, index, ba, ba.length());
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_undoStack->push(arrayCommand);
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resetSelection();
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emit dataChanged();
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}
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void QHexEditPrivate::replace(int pos, int len, const QByteArray &after)
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{
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QUndoCommand *arrayCommand= new ArrayCommand(&_xData, ArrayCommand::replace, pos, after, len);
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_undoStack->push(arrayCommand);
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resetSelection();
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emit dataChanged();
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}
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void QHexEditPrivate::setAddressArea(bool addressArea)
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{
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_addressArea = addressArea;
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adjust();
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setCursorPos(_cursorPosition);
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}
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void QHexEditPrivate::setAddressWidth(int addressWidth)
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{
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_xData.setAddressWidth(addressWidth);
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setCursorPos(_cursorPosition);
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}
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void QHexEditPrivate::setAsciiArea(bool asciiArea)
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{
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_asciiArea = asciiArea;
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adjust();
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}
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void QHexEditPrivate::setFont(const QFont &font)
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{
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QWidget::setFont(font);
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adjust();
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}
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void QHexEditPrivate::setHighlighting(bool mode)
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{
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_highlighting = mode;
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update();
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}
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void QHexEditPrivate::setOverwriteMode(bool overwriteMode)
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{
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_overwriteMode = overwriteMode;
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}
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bool QHexEditPrivate::overwriteMode()
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{
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return _overwriteMode;
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}
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void QHexEditPrivate::redo()
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{
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_undoStack->redo();
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emit dataChanged();
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setCursorPos(_cursorPosition);
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update();
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}
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void QHexEditPrivate::undo()
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{
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_undoStack->undo();
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emit dataChanged();
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setCursorPos(_cursorPosition);
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update();
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}
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QString QHexEditPrivate::toRedableString()
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{
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return _xData.toRedableString();
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}
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QString QHexEditPrivate::selectionToReadableString()
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{
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return _xData.toRedableString(getSelectionBegin(), getSelectionEnd());
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}
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void QHexEditPrivate::keyPressEvent(QKeyEvent *event)
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{
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int charX = (_cursorX - _xPosHex) / _charWidth;
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int posX = (charX / 3) * 2 + (charX % 3);
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int posBa = (_cursorY / _charHeight) * BYTES_PER_LINE + posX / 2;
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/*****************************************************************************/
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/* Cursor movements */
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/*****************************************************************************/
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if (event->matches(QKeySequence::MoveToNextChar))
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{
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setCursorPos(_cursorPosition + 1);
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resetSelection(_cursorPosition);
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}
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if (event->matches(QKeySequence::MoveToPreviousChar))
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{
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setCursorPos(_cursorPosition - 1);
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resetSelection(_cursorPosition);
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}
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if (event->matches(QKeySequence::MoveToEndOfLine))
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{
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setCursorPos(_cursorPosition | (2 * BYTES_PER_LINE -1));
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resetSelection(_cursorPosition);
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}
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if (event->matches(QKeySequence::MoveToStartOfLine))
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{
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setCursorPos(_cursorPosition - (_cursorPosition % (2 * BYTES_PER_LINE)));
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resetSelection(_cursorPosition);
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}
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if (event->matches(QKeySequence::MoveToPreviousLine))
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{
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setCursorPos(_cursorPosition - (2 * BYTES_PER_LINE));
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resetSelection(_cursorPosition);
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}
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if (event->matches(QKeySequence::MoveToNextLine))
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{
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setCursorPos(_cursorPosition + (2 * BYTES_PER_LINE));
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resetSelection(_cursorPosition);
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}
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if (event->matches(QKeySequence::MoveToNextPage))
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{
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setCursorPos(_cursorPosition + (((_scrollArea->viewport()->height() / _charHeight) - 1) * 2 * BYTES_PER_LINE));
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resetSelection(_cursorPosition);
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}
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if (event->matches(QKeySequence::MoveToPreviousPage))
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{
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setCursorPos(_cursorPosition - (((_scrollArea->viewport()->height() / _charHeight) - 1) * 2 * BYTES_PER_LINE));
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resetSelection(_cursorPosition);
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}
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if (event->matches(QKeySequence::MoveToEndOfDocument))
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{
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setCursorPos(_xData.size() * 2);
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resetSelection(_cursorPosition);
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}
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if (event->matches(QKeySequence::MoveToStartOfDocument))
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{
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setCursorPos(0);
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resetSelection(_cursorPosition);
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}
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/*****************************************************************************/
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/* Select commands */
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/*****************************************************************************/
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if (event->matches(QKeySequence::SelectAll))
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{
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resetSelection(0);
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setSelection(2*_xData.size() + 1);
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}
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if (event->matches(QKeySequence::SelectNextChar))
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{
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int pos = _cursorPosition + 1;
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setCursorPos(pos);
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setSelection(pos);
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}
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if (event->matches(QKeySequence::SelectPreviousChar))
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{
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int pos = _cursorPosition - 1;
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setSelection(pos);
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setCursorPos(pos);
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}
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if (event->matches(QKeySequence::SelectEndOfLine))
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{
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int pos = _cursorPosition - (_cursorPosition % (2 * BYTES_PER_LINE)) + (2 * BYTES_PER_LINE);
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setCursorPos(pos);
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setSelection(pos);
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}
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if (event->matches(QKeySequence::SelectStartOfLine))
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{
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int pos = _cursorPosition - (_cursorPosition % (2 * BYTES_PER_LINE));
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setCursorPos(pos);
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setSelection(pos);
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}
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if (event->matches(QKeySequence::SelectPreviousLine))
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{
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int pos = _cursorPosition - (2 * BYTES_PER_LINE);
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setCursorPos(pos);
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setSelection(pos);
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}
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if (event->matches(QKeySequence::SelectNextLine))
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{
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int pos = _cursorPosition + (2 * BYTES_PER_LINE);
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setCursorPos(pos);
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setSelection(pos);
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}
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|
|
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);
|
||
|
|
}
|
||
|
|
|
||
|
|
// Switch between insert/overwrite mode
|
||
|
|
if ((event->key() == Qt::Key_Insert) && (event->modifiers() == Qt::NoModifier))
|
||
|
|
{
|
||
|
|
_overwriteMode = !_overwriteMode;
|
||
|
|
setCursorPos(_cursorPosition);
|
||
|
|
overwriteModeChanged(_overwriteMode);
|
||
|
|
}
|
||
|
|
|
||
|
|
ensureVisible();
|
||
|
|
update();
|
||
|
|
}
|
||
|
|
|
||
|
|
void QHexEditPrivate::mouseMoveEvent(QMouseEvent * event)
|
||
|
|
{
|
||
|
|
_blink = false;
|
||
|
|
update();
|
||
|
|
int actPos = cursorPos(event->pos());
|
||
|
|
setCursorPos(actPos);
|
||
|
|
setSelection(actPos);
|
||
|
|
}
|
||
|
|
|
||
|
|
void QHexEditPrivate::mousePressEvent(QMouseEvent * event)
|
||
|
|
{
|
||
|
|
_blink = false;
|
||
|
|
update();
|
||
|
|
int cPos = cursorPos(event->pos());
|
||
|
|
resetSelection(cPos);
|
||
|
|
setCursorPos(cPos);
|
||
|
|
}
|
||
|
|
|
||
|
|
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);
|
||
|
|
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);
|
||
|
|
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::setCursorPos(int position)
|
||
|
|
{
|
||
|
|
// delete cursor
|
||
|
|
_blink = false;
|
||
|
|
update();
|
||
|
|
|
||
|
|
// cursor in range?
|
||
|
|
if (_overwriteMode)
|
||
|
|
{
|
||
|
|
if (position > (_xData.size() * 2 - 1))
|
||
|
|
position = _xData.size() * 2 - 1;
|
||
|
|
} else {
|
||
|
|
if (position > (_xData.size() * 2))
|
||
|
|
position = _xData.size() * 2;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (position < 0)
|
||
|
|
position = 0;
|
||
|
|
|
||
|
|
// calc position
|
||
|
|
_cursorPosition = position;
|
||
|
|
_cursorY = (position / (2 * BYTES_PER_LINE)) * _charHeight + 4;
|
||
|
|
int x = (position % (2 * BYTES_PER_LINE));
|
||
|
|
_cursorX = (((x / 2) * 3) + (x % 2)) * _charWidth + _xPosHex;
|
||
|
|
|
||
|
|
// immiadately draw cursor
|
||
|
|
_blink = true;
|
||
|
|
update();
|
||
|
|
emit currentAddressChanged(_cursorPosition/2);
|
||
|
|
}
|
||
|
|
|
||
|
|
int QHexEditPrivate::cursorPos(QPoint pos)
|
||
|
|
{
|
||
|
|
int result = -1;
|
||
|
|
// find char under cursor
|
||
|
|
if ((pos.x() >= _xPosHex) && (pos.x() < (_xPosHex + HEXCHARS_IN_LINE * _charWidth)))
|
||
|
|
{
|
||
|
|
int x = (pos.x() - _xPosHex) / _charWidth;
|
||
|
|
if ((x % 3) == 0)
|
||
|
|
x = (x / 3) * 2;
|
||
|
|
else
|
||
|
|
x = ((x / 3) * 2) + 1;
|
||
|
|
int y = ((pos.y() - 3) / _charHeight) * 2 * BYTES_PER_LINE;
|
||
|
|
result = x + y;
|
||
|
|
}
|
||
|
|
return result;
|
||
|
|
}
|
||
|
|
|
||
|
|
int QHexEditPrivate::cursorPos()
|
||
|
|
{
|
||
|
|
return _cursorPosition;
|
||
|
|
}
|
||
|
|
|
||
|
|
void QHexEditPrivate::resetSelection()
|
||
|
|
{
|
||
|
|
_selectionBegin = _selectionInit;
|
||
|
|
_selectionEnd = _selectionInit;
|
||
|
|
}
|
||
|
|
|
||
|
|
void QHexEditPrivate::resetSelection(int pos)
|
||
|
|
{
|
||
|
|
if (pos < 0)
|
||
|
|
pos = 0;
|
||
|
|
pos = pos / 2;
|
||
|
|
_selectionInit = pos;
|
||
|
|
_selectionBegin = pos;
|
||
|
|
_selectionEnd = pos;
|
||
|
|
}
|
||
|
|
|
||
|
|
void QHexEditPrivate::setSelection(int pos)
|
||
|
|
{
|
||
|
|
if (pos < 0)
|
||
|
|
pos = 0;
|
||
|
|
pos = pos / 2;
|
||
|
|
if (pos >= _selectionInit)
|
||
|
|
{
|
||
|
|
_selectionEnd = pos;
|
||
|
|
_selectionBegin = _selectionInit;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
_selectionBegin = pos;
|
||
|
|
_selectionEnd = _selectionInit;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
int QHexEditPrivate::getSelectionBegin()
|
||
|
|
{
|
||
|
|
return _selectionBegin;
|
||
|
|
}
|
||
|
|
|
||
|
|
int QHexEditPrivate::getSelectionEnd()
|
||
|
|
{
|
||
|
|
return _selectionEnd;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
void QHexEditPrivate::updateCursor()
|
||
|
|
{
|
||
|
|
if (_blink)
|
||
|
|
_blink = false;
|
||
|
|
else
|
||
|
|
_blink = true;
|
||
|
|
update(_cursorX, _cursorY, _charWidth, _charHeight);
|
||
|
|
}
|
||
|
|
|
||
|
|
void QHexEditPrivate::adjust()
|
||
|
|
{
|
||
|
|
_charWidth = fontMetrics().width(QLatin1Char('9'));
|
||
|
|
_charHeight = fontMetrics().height();
|
||
|
|
|
||
|
|
_xPosAdr = 0;
|
||
|
|
if (_addressArea)
|
||
|
|
_xPosHex = _xData.realAddressNumbers()*_charWidth + GAP_ADR_HEX;
|
||
|
|
else
|
||
|
|
_xPosHex = 0;
|
||
|
|
_xPosAscii = _xPosHex + HEXCHARS_IN_LINE * _charWidth + GAP_HEX_ASCII;
|
||
|
|
|
||
|
|
// tell QAbstractScollbar, how big we are
|
||
|
|
setMinimumHeight(((_xData.size()/16 + 1) * _charHeight) + 5);
|
||
|
|
if(_asciiArea)
|
||
|
|
setMinimumWidth(_xPosAscii + (BYTES_PER_LINE * _charWidth));
|
||
|
|
else
|
||
|
|
setMinimumWidth(_xPosHex + HEXCHARS_IN_LINE * _charWidth);
|
||
|
|
|
||
|
|
update();
|
||
|
|
}
|
||
|
|
|
||
|
|
void QHexEditPrivate::ensureVisible()
|
||
|
|
{
|
||
|
|
// scrolls to cursorx, cusory (which are set by setCursorPos)
|
||
|
|
// x-margin is 3 pixels, y-margin is half of charHeight
|
||
|
|
_scrollArea->ensureVisible(_cursorX, _cursorY + _charHeight/2, 3, _charHeight/2 + 2);
|
||
|
|
}
|