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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** 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 The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
****************************************************************************/
#pragma once
#include "bineditor_global.h"
#include "markup.h"
#include "bineditorservice.h"
#include <utils/optional.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 {
namespace Internal {
class BinEditorWidgetPrivate;
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 = nullptr);
~BinEditorWidget() override;
EditorService *editorService() const;
quint64 baseAddress() const { return m_baseAddr; }
void setSizes(quint64 startAddr, qint64 range, int blockSize = 4096);
int dataBlockSize() const { return m_blockSize; }
QByteArray contents() const { return dataMid(0, m_size); }
void addData(quint64 addr, const QByteArray &data);
bool newWindowRequestAllowed() const { return m_canRequestNewWindow; }
void updateContents();
bool save(QString *errorString, const QString &oldFileName, const QString &newFileName);
void zoomF(float delta);
enum MoveMode {
MoveAnchor,
KeepAnchor
};
qint64 cursorPosition() const;
void setCursorPosition(qint64 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, qint64 from = 0, QTextDocument::FindFlags findFlags = {});
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*) override;
bool isUndoAvailable() const { return !m_undoStack.isEmpty(); }
bool isRedoAvailable() const { return !m_redoStack.isEmpty(); }
QString addressString(quint64 address);
static const int SearchStride = 1024 * 1024;
QList<Markup> markup() const { return m_markup; }
void setFontSettings(const TextEditor::FontSettings &fs);
void highlightSearchResults(const QByteArray &pattern, QTextDocument::FindFlags findFlags = {});
void copy(bool raw = false);
void setMarkup(const QList<Markup> &markup);
void setNewWindowRequestAllowed(bool c);
signals:
void modificationChanged(bool modified);
void undoAvailable(bool);
void redoAvailable(bool);
void cursorPositionChanged(int position);
private:
void scrollContentsBy(int dx, int dy) override;
void paintEvent(QPaintEvent *e) override;
void resizeEvent(QResizeEvent *) override;
void changeEvent(QEvent *) override;
void wheelEvent(QWheelEvent *e) override;
void mousePressEvent(QMouseEvent *e) override;
void mouseMoveEvent(QMouseEvent *e) override;
void mouseReleaseEvent(QMouseEvent *e) override;
void keyPressEvent(QKeyEvent *e) override;
void focusInEvent(QFocusEvent *) override;
void focusOutEvent(QFocusEvent *) override;
void timerEvent(QTimerEvent *) override;
void contextMenuEvent(QContextMenuEvent *event) override;
friend class BinEditorWidgetPrivate;
BinEditorWidgetPrivate *d;
using BlockMap = QMap<qint64, QByteArray>;
BlockMap m_data;
BlockMap m_oldData;
int m_blockSize;
BlockMap m_modifiedData;
mutable QSet<qint64> m_requests;
QByteArray m_emptyBlock;
QByteArray m_lowerBlock;
qint64 m_size;
int dataIndexOf(const QByteArray &pattern, qint64 from, bool caseSensitive = true) const;
int dataLastIndexOf(const QByteArray &pattern, qint64 from, bool caseSensitive = true) const;
bool requestDataAt(qint64 pos) const;
bool requestOldDataAt(qint64 pos) const;
char dataAt(qint64 pos, bool old = false) const;
char oldDataAt(qint64 pos) const;
void changeDataAt(qint64 pos, char c);
QByteArray dataMid(qint64 from, int length, bool old = false) const;
QByteArray blockData(qint64 block, bool old = false) const;
QPoint offsetToPos(qint64 offset) const;
void asIntegers(qint64 offset, int count, quint64 &bigEndianValue, quint64 &littleEndianValue,
bool old = false) const;
void asFloat(qint64 offset, float &value, bool old) const;
void asDouble(qint64 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;
qint64 m_numLines;
qint64 m_numVisibleLines;
quint64 m_baseAddr;
bool m_cursorVisible;
qint64 m_cursorPosition;
qint64 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();
Utils::optional<qint64> posAt(const QPoint &pos, bool includeEmptyArea = true) 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 Internal
} // namespace BinEditor
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