Duckstation/src/duckstation-qt/memoryviewwidget.h

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C
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2020-12-16 15:18:13 +00:00
#pragma once
#include <QtWidgets/QAbstractScrollArea>
// Based on https://stackoverflow.com/questions/46375673/how-can-realize-my-own-memory-viewer-by-qt
class MemoryViewWidget : public QAbstractScrollArea
{
public:
Q_OBJECT
public:
MemoryViewWidget(QWidget* parent = nullptr, size_t address_offset = 0, const void* data_ptr = nullptr,
size_t data_size = 0);
~MemoryViewWidget();
size_t addressOffset() const { return m_address_offset; }
void setData(size_t address_offset, const void* data_ptr, size_t data_size);
void setHighlightRange(size_t start, size_t end);
void clearHighlightRange();
void scrolltoOffset(size_t offset);
void scrollToAddress(size_t address);
void setFont(const QFont& font);
protected:
void paintEvent(QPaintEvent*);
void resizeEvent(QResizeEvent*);
private Q_SLOTS:
void adjustContent();
private:
int addressWidth() const;
int hexWidth() const;
int asciiWidth() const;
void updateMetrics();
const void* m_data;
size_t m_data_size;
size_t m_address_offset;
size_t m_start_offset;
size_t m_end_offset;
size_t m_highlight_start = 0;
size_t m_highlight_end = 0;
unsigned m_bytes_per_line;
int m_char_width;
int m_char_height;
int m_rows_visible;
};