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
 15#include <memory>
 16
 17#include <mgba-util/text-codec.h>
 18
 19struct mCore;
 20
 21namespace QGBA {
 22
 23class CoreController;
 24
 25class MemoryModel : public QAbstractScrollArea {
 26Q_OBJECT
 27
 28public:
 29	MemoryModel(QWidget* parent = nullptr);
 30
 31	void setController(std::shared_ptr<CoreController> controller);
 32
 33	void setRegion(uint32_t base, uint32_t size, const QString& name = QString(), int segment = -1);
 34	void setSegment(int segment);
 35
 36	void setAlignment(int);
 37	int alignment() const { return m_align; }
 38
 39	QByteArray serialize();
 40	void deserialize(const QByteArray&);
 41	QString decodeText(const QByteArray&);
 42
 43public slots:
 44	void jumpToAddress(const QString& hex);
 45	void jumpToAddress(uint32_t);
 46
 47	void loadTBLFromPath(const QString& path);
 48	void loadTBL();
 49
 50	void copy();
 51	void paste();
 52	void save();
 53	void load();
 54
 55signals:
 56	void selectionChanged(uint32_t start, uint32_t end);
 57
 58protected:
 59	void resizeEvent(QResizeEvent*) override;
 60	void paintEvent(QPaintEvent*) override;
 61	void wheelEvent(QWheelEvent*) override;
 62	void mousePressEvent(QMouseEvent*) override;
 63	void mouseMoveEvent(QMouseEvent*) override;
 64	void keyPressEvent(QKeyEvent*) override;
 65
 66private:
 67	void boundsCheck();
 68
 69	bool isInSelection(uint32_t address);
 70	bool isEditing(uint32_t address);
 71	void drawEditingText(QPainter& painter, const QPointF& origin);
 72
 73	void adjustCursor(int adjust, bool shift);
 74
 75	class TextCodecFree {
 76	public:
 77		void operator()(TextCodec*);
 78	};
 79
 80	mCore* m_core = nullptr;
 81	std::unique_ptr<TextCodec, TextCodecFree> m_codec;
 82	QFont m_font;
 83	int m_cellHeight;
 84	int m_letterWidth;
 85	uint32_t m_base;
 86	uint32_t m_size;
 87	int m_top = 0;
 88	int m_align = 1;
 89	QMargins m_margins;
 90	QVector<QStaticText> m_staticNumbers;
 91	QVector<QStaticText> m_staticLatin1;
 92	QStaticText m_regionName;
 93	QSizeF m_cellSize;
 94	QPair<uint32_t, uint32_t> m_selection{0, 0};
 95	uint32_t m_selectionAnchor = 0;
 96	uint32_t m_buffer;
 97	int m_bufferedNybbles;
 98	int m_currentBank;
 99};
100
101}
102
103#endif