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65 lines
1.7 KiB
C
65 lines
1.7 KiB
C
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// SPDX-FileCopyrightText: 2014 Dax89
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// SPDX-License-Identifier: MIT
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#ifndef QHEXVIEW_H
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#define QHEXVIEW_H
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#include "document/qhexdocument.h"
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#include "document/qhexrenderer.h"
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#include <QAbstractScrollArea>
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#include <QTimer>
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class QHexView : public QAbstractScrollArea
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{
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Q_OBJECT
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public:
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explicit QHexView(QWidget *parent = nullptr);
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QHexDocument *document();
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void setDocument(QHexDocument *document);
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void setReadOnly(bool b);
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protected:
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virtual bool event(QEvent *e);
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virtual void keyPressEvent(QKeyEvent *e);
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virtual void mousePressEvent(QMouseEvent *e);
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virtual void mouseMoveEvent(QMouseEvent *e);
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virtual void mouseReleaseEvent(QMouseEvent *e);
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virtual void focusInEvent(QFocusEvent *e);
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virtual void focusOutEvent(QFocusEvent *e);
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virtual void wheelEvent(QWheelEvent *e);
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virtual void resizeEvent(QResizeEvent *e);
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virtual void paintEvent(QPaintEvent *e);
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private Q_SLOTS:
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void renderCurrentLine();
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void moveToSelection();
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void blinkCursor();
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private:
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void moveNext(bool select = false);
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void movePrevious(bool select = false);
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private:
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bool processMove(QHexCursor *cur, QKeyEvent *e);
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bool processTextInput(QHexCursor *cur, QKeyEvent *e);
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bool processAction(QHexCursor *cur, QKeyEvent *e);
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void adjustScrollBars();
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void renderLine(quint64 line);
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quint64 firstVisibleLine() const;
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quint64 lastVisibleLine() const;
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quint64 visibleLines() const;
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bool isLineVisible(quint64 line) const;
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int documentSizeFactor() const;
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QPoint absolutePosition(const QPoint &pos) const;
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private:
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QHexDocument *m_document;
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QHexRenderer *m_renderer;
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QTimer *m_blinktimer;
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bool m_readonly;
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};
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#endif // QHEXVIEW_H
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