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/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
****************************************************************************/
#ifndef BINEDITOR_H
#define BINEDITOR_H
#include "markup.h"
#include <QBasicTimer>
#include <QMap>
#include <QSet>
#include <QStack>
#include <QString>
#include <QAbstractScrollArea>
#include <QTextDocument>
#include <QTextFormat>
QT_FORWARD_DECLARE_CLASS(QMenu)
QT_FORWARD_DECLARE_CLASS(QHelpEvent)
namespace Core {
class IEditor;
}
namespace TextEditor {
class FontSettings;
}
namespace BINEditor {
class BinEditorWidget : public QAbstractScrollArea
{
Q_OBJECT
Q_PROPERTY(bool modified READ isModified WRITE setModified DESIGNABLE false)
Q_PROPERTY(bool readOnly READ isReadOnly WRITE setReadOnly DESIGNABLE false)
Q_PROPERTY(QList<BINEditor::Markup> markup READ markup WRITE setMarkup DESIGNABLE false)
Q_PROPERTY(bool newWindowRequestAllowed READ newWindowRequestAllowed WRITE setNewWindowRequestAllowed DESIGNABLE false)
public:
BinEditorWidget(QWidget *parent = 0);
~BinEditorWidget();
quint64 baseAddress() const { return m_baseAddr; }
Q_INVOKABLE void setSizes(quint64 startAddr, int range, int blockSize = 4096);
int dataBlockSize() const { return m_blockSize; }
Q_INVOKABLE void addData(quint64 block, const QByteArray &data);
bool newWindowRequestAllowed() const { return m_canRequestNewWindow; }
Q_INVOKABLE void updateContents();
bool save(QString *errorString, const QString &oldFileName, const QString &newFileName);
void zoomIn(int range = 1);
void zoomOut(int range = 1);
enum MoveMode {
MoveAnchor,
KeepAnchor
};
int cursorPosition() const;
Q_INVOKABLE void setCursorPosition(int pos, MoveMode moveMode = MoveAnchor);
void jumpToAddress(quint64 address);
void setModified(bool);
bool isModified() const;
void setReadOnly(bool);
bool isReadOnly() const;
int find(const QByteArray &pattern, int from = 0,
QTextDocument::FindFlags findFlags = 0);
void selectAll();
void clear();
void undo();
void redo();
Core::IEditor *editor() const { return m_ieditor; }
void setEditor(Core::IEditor *ieditor) { m_ieditor = ieditor; }
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(quint64 address);
static const int SearchStride = 1024 * 1024;
QList<Markup> markup() const { return m_markup; }
public Q_SLOTS:
void setFontSettings(const TextEditor::FontSettings &fs);
void highlightSearchResults(const QByteArray &pattern,
QTextDocument::FindFlags findFlags = 0);
void copy(bool raw = false);
void setMarkup(const QList<Markup> &markup);
void setNewWindowRequestAllowed(bool c);
Q_SIGNALS:
void modificationChanged(bool modified);
void undoAvailable(bool);
void redoAvailable(bool);
void cursorPositionChanged(int position);
void dataRequested(quint64 block);
void newWindowRequested(quint64 address);
void newRangeRequested(quint64 address);
void addWatchpointRequested(quint64 address, uint size);
void dataChanged(quint64 address, const QByteArray &data);
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 *);
void contextMenuEvent(QContextMenuEvent *event);
private:
typedef QMap<int, QByteArray> BlockMap;
BlockMap m_data;
BlockMap m_oldData;
int m_blockSize;
BlockMap m_modifiedData;
mutable QSet<int> m_requests;
QByteArray m_emptyBlock;
QByteArray m_lowerBlock;
int m_size;
int dataIndexOf(const QByteArray &pattern, int from, bool caseSensitive = true) const;
int dataLastIndexOf(const QByteArray &pattern, int from, bool caseSensitive = true) const;
bool requestDataAt(int pos) const;
bool requestOldDataAt(int pos) const;
char dataAt(int pos, bool old = false) const;
char oldDataAt(int pos) const;
void changeDataAt(int pos, char c);
QByteArray dataMid(int from, int length, bool old = false) const;
QByteArray blockData(int block, bool old = false) const;
QPoint offsetToPos(int offset) const;
void asIntegers(int offset, int count, quint64 &bigEndianValue, quint64 &littleEndianValue,
bool old = false) const;
void asFloat(int offset, float &value, bool old) const;
void asDouble(int offset, double &value, bool old) const;
QString toolTip(const QHelpEvent *helpEvent) const;
int m_bytesPerLine;
int m_unmodifiedState;
int m_readOnly;
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;
quint64 m_baseAddr;
bool m_cursorVisible;
int m_cursorPosition;
int m_anchorPosition;
bool m_hexCursor;
bool m_lowNibble;
bool m_isMonospacedFont;
QByteArray m_searchPattern;
QByteArray m_searchPatternHex;
bool m_caseSensitiveSearch;
QBasicTimer m_cursorBlinkTimer;
void init();
int posAt(const QPoint &pos) const;
bool inTextArea(const QPoint &pos) const;
QRect cursorRect() const;
void updateLines();
void updateLines(int fromPosition, int toPosition);
void ensureCursorVisible();
void setBlinkingCursorEnabled(bool enable);
void changeData(int position, uchar character, bool highNibble = false);
int findPattern(const QByteArray &data, const QByteArray &dataHex,
int from, int offset, int *match);
void drawItems(QPainter *painter, int x, int y, const QString &itemString);
void drawChanges(QPainter *painter, int x, int y, const char *changes);
void setupJumpToMenuAction(QMenu *menu, QAction *actionHere, QAction *actionNew,
quint64 addr);
struct BinEditorEditCommand {
int position;
uchar character;
bool highNibble;
};
QStack<BinEditorEditCommand> m_undoStack, m_redoStack;
QBasicTimer m_autoScrollTimer;
Core::IEditor *m_ieditor;
QString m_addressString;
int m_addressBytes;
bool m_canRequestNewWindow;
QList<Markup> m_markup;
};
} // namespace BINEditor
#endif // BINEDITOR_H
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