168 lines
5.2 KiB
C++
168 lines
5.2 KiB
C++
#ifndef QHEXRENDERER_H
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#define QHEXRENDERER_H
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/*
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* Nibble encoding:
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* AB -> [A][B]
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* Nibble Index: 1 0
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*/
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#include "qhexdocument.h"
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#include <QPainter>
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#include <QPalette>
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#include <QTextDocument>
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class QHexRenderer : public QObject {
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Q_OBJECT
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public:
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enum { HeaderArea, AddressArea, HexArea, AsciiArea, ExtraArea };
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public:
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explicit QHexRenderer(QHexDocument *document, QHexCursor *cursor,
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const QFontMetricsF &fontmetrics,
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QObject *parent = nullptr);
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void renderFrame(QPainter *painter);
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void render(QPainter *painter, qsizetype start, qsizetype end,
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qsizetype firstline); // begin included, end excluded
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void updateMetrics(const QFontMetricsF &fm);
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void enableCursor(bool b = true);
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void selectArea(const QPoint &pt);
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/*==============================*/
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// added by wingsummer
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void setStringVisible(bool b);
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bool stringVisible();
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void setAddressVisible(bool b);
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bool addressVisible();
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void setHeaderVisible(bool b);
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bool headerVisible();
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QString encoding();
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bool setEncoding(const QString &encoding);
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void SetEncoding(QString encoding);
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void switchDoc(QHexDocument *doc);
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/*==============================*/
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public:
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void blinkCursor();
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bool hitTest(const QPoint &pt, QHexPosition *position,
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qsizetype firstline) const;
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int hitTestArea(const QPoint &pt) const;
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int selectedArea() const;
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bool editableArea(int area) const;
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qsizetype documentLastLine() const;
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qsizetype documentLastColumn() const;
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qsizetype documentLines() const;
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int documentWidth() const;
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int lineHeight() const;
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QRect getLineRect(qsizetype line, qsizetype firstline) const;
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int headerLineCount() const;
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int borderSize() const;
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int hexLineWidth() const;
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QColor headerColor() const;
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void setHeaderColor(const QColor &newHeaderColor);
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QColor addressColor() const;
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void setAddressColor(const QColor &newAddressColor);
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QColor bytesBackground() const;
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void setBytesBackground(const QColor &newBytesBackground);
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QColor bytesAlterBackground() const;
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void setBytesAlterBackground(const QColor &newBytesAlterBackground);
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QColor bytesColor() const;
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void setBytesColor(const QColor &newBytesColor);
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QColor selectionColor() const;
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void setSelectionColor(const QColor &newSelectionColor);
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QColor selBackgroundColor() const;
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void setSelBackgroundColor(const QColor &newSelBackgroundColor);
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QHexCursor *cursor() const;
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void setCursor(QHexCursor *newCursor);
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private:
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QString hexString(qsizetype line, QByteArray *rawline = nullptr) const;
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/*======================================*/
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// added by wingsummer
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QString decodeString(qsizetype line, QString encoding,
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QByteArray *rawline = nullptr) const;
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void unprintableWChars(QString &unicode) const;
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/*======================================*/
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QByteArray getLine(qsizetype line) const;
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qsizetype rendererLength() const;
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int getAddressWidth() const;
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int getHexColumnX() const;
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int getAsciiColumnX() const;
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int getEndColumnX() const;
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qreal getCellWidth() const;
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int getNCellsWidth(int n) const;
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void unprintableChars(QByteArray &ascii) const;
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private:
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// modified by wingsummer
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enum Factor { String = 1, Hex = 3 };
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void applyDocumentStyles(QPainter *painter,
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QTextDocument *textdocument) const;
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void applyBasicStyle(QTextCursor &textcursor, const QByteArray &rawline,
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Factor factor) const;
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void applyMetadata(QTextCursor &textcursor, qsizetype line,
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Factor factor) const;
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void applySelection(QTextCursor &textcursor, qsizetype line,
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Factor factor) const;
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void applySelection(const QHexSelection &selection, QTextCursor &textcursor,
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qsizetype line, Factor factor, bool strikeOut,
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bool hasSelection) const;
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void applyBookMark(QTextCursor &textcursor, qsizetype line,
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Factor factor); // added by wingsummer
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void applyCursorAscii(QTextCursor &textcursor, qsizetype line) const;
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void applyCursorHex(QTextCursor &textcursor, qsizetype line) const;
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void drawAddress(QPainter *painter, const QRect &linerect, qsizetype line);
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void drawHex(QPainter *painter, const QRect &linerect, qsizetype line);
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void drawString(QPainter *painter, const QRect &linerect, qsizetype line,
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QString encoding);
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void drawHeader(QPainter *painter);
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private:
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QHexDocument *m_document;
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QHexCursor *m_cursor;
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QFontMetricsF m_fontmetrics;
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int m_selectedarea;
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bool m_cursorenabled;
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/*==============================*/
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// added by wingsummer
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bool m_asciiVisible;
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bool m_addressVisible;
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bool m_headerVisible;
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QString m_encoding;
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// color
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QColor m_headerColor = Qt::cyan;
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QColor m_addressColor = Qt::cyan;
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QColor m_bytesBackground = Qt::white;
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QColor m_bytesAlterBackground = Qt::gray;
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QColor m_bytesColor = Qt::black;
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QColor m_selectionColor = Qt::white;
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QColor m_selBackgroundColor = Qt::blue;
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/*==============================*/
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};
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#endif // QHEXRENDERER_H
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