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/***************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Qt Software Information (qt-info@nokia.com)
**
**
** Non-Open Source Usage
**
** Licensees may use this file in accordance with the Qt Beta Version
** License Agreement, Agreement version 2.2 provided with the Software or,
** alternatively, in accordance with the terms contained in a written
** agreement between you and Nokia.
**
** GNU General Public License Usage
**
** Alternatively, this file may be used under the terms of the GNU General
** Public License versions 2.0 or 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the packaging
** of this file. Please review the following information to ensure GNU
** General Public Licensing requirements will be met:
**
** http://www.fsf.org/licensing/licenses/info/GPLv2.html and
** http://www.gnu.org/copyleft/gpl.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt GPL Exception
** version 1.3, included in the file GPL_EXCEPTION.txt in this package.
**
***************************************************************************/
#ifndef BINEDITOR_H
#define BINEDITOR_H
#include <QtGui/qabstractscrollarea.h>
#include <QtCore/qbasictimer.h>
#include <QtCore/qstack.h>
#include <QtGui/qtextdocument.h>
#include <QtGui/qtextformat.h>
namespace Core {
class IEditor;
}
namespace TextEditor {
class FontSettings;
}
namespace BINEditor {
class BinEditor : public QAbstractScrollArea
{
Q_OBJECT
Q_PROPERTY(bool modified READ isModified WRITE setModified DESIGNABLE false)
public:
BinEditor(QWidget *parent = 0);
~BinEditor();
void setData(const QByteArray &data);
QByteArray data() const;
void zoomIn(int range = 1);
void zoomOut(int range = 1);
enum MoveMode {
MoveAnchor,
KeepAnchor
};
int cursorPosition() const;
void setCursorPosition(int pos, MoveMode moveMode = MoveAnchor);
void setModified(bool);
bool isModified() const;
int find(const QByteArray &pattern, int from = 0, QTextDocument::FindFlags findFlags = 0);
void selectAll();
void clear();
void undo();
void redo();
Core::IEditor *editorInterface() const { return m_ieditor; }
void setEditorInterface(Core::IEditor *ieditor) { m_ieditor = ieditor; }
bool hasSelection() const { return m_cursorPosition != m_anchorPosition; }
int selectionStart() const { return qMin(m_anchorPosition, m_cursorPosition); }
int selectionEnd() const { return qMax(m_anchorPosition, m_cursorPosition); }
bool event(QEvent*);
bool isUndoAvailable() const { return m_undoStack.size(); }
bool isRedoAvailable() const { return m_redoStack.size(); }
QString addressString(uint address);
public Q_SLOTS:
void setFontSettings(const TextEditor::FontSettings &fs);
void highlightSearchResults(const QByteArray &pattern, QTextDocument::FindFlags findFlags = 0);
void copy();
Q_SIGNALS:
void modificationChanged(bool modified);
void undoAvailable(bool);
void redoAvailable(bool);
void copyAvailable(bool);
void cursorPositionChanged(int position);
protected:
void scrollContentsBy(int dx, int dy);
void paintEvent(QPaintEvent *e);
void resizeEvent(QResizeEvent *);
void changeEvent(QEvent *);
void wheelEvent(QWheelEvent *e);
void mousePressEvent(QMouseEvent *e);
void mouseMoveEvent(QMouseEvent *e);
void mouseReleaseEvent(QMouseEvent *e);
void keyPressEvent(QKeyEvent *e);
void focusInEvent(QFocusEvent *);
void focusOutEvent(QFocusEvent *);
void timerEvent(QTimerEvent *);
private:
QByteArray m_data;
int m_unmodifiedState;
int m_margin;
int m_descent;
int m_ascent;
int m_lineHeight;
int m_charWidth;
int m_labelWidth;
int m_textWidth;
int m_columnWidth;
int m_numLines;
int m_numVisibleLines;
bool m_cursorVisible;
int m_cursorPosition;
int m_anchorPosition;
bool m_hexCursor;
bool m_lowNibble;
bool m_isMonospacedFont;
QByteArray m_searchPattern;
QByteArray m_searchPatternHex;
QBasicTimer m_cursorBlinkTimer;
void init();
int posAt(const QPoint &pos) const;
bool inTextArea(const QPoint &pos) const;
QRect cursorRect() const;
void updateLines(int fromPosition = -1, int toPosition = -1);
void ensureCursorVisible();
void setBlinkingCursorEnabled(bool enable);
void changeData(int position, uchar character, bool highNibble = false);
int findPattern(const QByteArray &data, int from, int offset, int *match);
void drawItems(QPainter *painter, int x, int y, const QString &itemString);
struct BinEditorEditCommand {
int position;
uchar character;
bool highNibble;
};
QStack<BinEditorEditCommand> m_undoStack, m_redoStack;
QBasicTimer m_autoScrollTimer;
Core::IEditor *m_ieditor;
QString m_addressString;
};
} // namespace BINEditor
#endif // BINEDITOR_H
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