1/* Copyright (c) 2013-2015 Jeffrey Pfau
  2 *
  3 * This Source Code Form is subject to the terms of the Mozilla Public
  4 * License, v. 2.0. If a copy of the MPL was not distributed with this
  5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
  6#ifndef QGBA_MEMORY_MODEL
  7#define QGBA_MEMORY_MODEL
  8
  9#include <QAbstractScrollArea>
 10#include <QFont>
 11#include <QSize>
 12#include <QStaticText>
 13#include <QVector>
 14#include <memory>
 15
 16extern "C" {
 17#include "util/text-codec.h"
 18}
 19
 20struct mCore;
 21
 22namespace QGBA {
 23
 24class GameController;
 25
 26class MemoryModel : public QAbstractScrollArea {
 27Q_OBJECT
 28
 29public:
 30	MemoryModel(QWidget* parent = nullptr);
 31
 32	void setController(GameController* controller);
 33
 34	void setRegion(uint32_t base, uint32_t size, const QString& name = QString(), int segment = -1);
 35	void setSegment(int segment);
 36
 37	void setAlignment(int);
 38	int alignment() const { return m_align; }
 39
 40	QByteArray serialize();
 41	void deserialize(const QByteArray&);
 42	QString decodeText(const QByteArray&);
 43
 44public slots:
 45	void jumpToAddress(const QString& hex);
 46	void jumpToAddress(uint32_t);
 47
 48	void loadTBL(const QString& path);
 49	void loadTBL();
 50
 51	void copy();
 52	void paste();
 53	void save();
 54	void load();
 55
 56signals:
 57	void selectionChanged(uint32_t start, uint32_t end);
 58
 59protected:
 60	void resizeEvent(QResizeEvent*) override;
 61	void paintEvent(QPaintEvent*) override;
 62	void wheelEvent(QWheelEvent*) override;
 63	void mousePressEvent(QMouseEvent*) override;
 64	void mouseMoveEvent(QMouseEvent*) override;
 65	void keyPressEvent(QKeyEvent*) override;
 66
 67private:
 68	void boundsCheck();
 69
 70	bool isInSelection(uint32_t address);
 71	bool isEditing(uint32_t address);
 72	void drawEditingText(QPainter& painter, const QPointF& origin);
 73
 74	void adjustCursor(int adjust, bool shift);
 75
 76	class TextCodecFree {
 77	public:
 78		void operator()(TextCodec*);
 79	};
 80
 81	mCore* m_core;
 82	std::unique_ptr<TextCodec, TextCodecFree> m_codec;
 83	QFont m_font;
 84	int m_cellHeight;
 85	int m_letterWidth;
 86	uint32_t m_base;
 87	uint32_t m_size;
 88	int m_top;
 89	int m_align;
 90	QMargins m_margins;
 91	QVector<QStaticText> m_staticNumbers;
 92	QVector<QStaticText> m_staticAscii;
 93	QStaticText m_regionName;
 94	QSizeF m_cellSize;
 95	QPair<uint32_t, uint32_t> m_selection;
 96	uint32_t m_selectionAnchor;
 97	uint32_t m_buffer;
 98	int m_bufferedNybbles;
 99	int m_currentBank;
100};
101
102}
103
104#endif