Qt: Add e-Card passing to the command line (closes #2474)

CHANGES

@@ -69,6 +69,7 @@ Misc:
  - Qt: Enable -b for Boot BIOS menu option (fixes mgba.io/i/2074)
  - Qt: Add tile range selection to tile viewer (closes mgba.io/i/2455)
  - Qt: Show warning if XQ audio is toggled while loaded (fixes mgba.io/i/2295)
+ - Qt: Add e-Card passing to the command line (closes mgba.io/i/2474)
  - Windows: Attach to console if present
  - Vita: Add bilinear filtering option (closes mgba.io/i/344)
 

src/platform/qt/ConfigController.cpp

@@ -125,6 +125,28 @@ ConfigController::ConfigController(QObject* parent)
 	mCoreConfigSetDefaultIntValue(&m_config, "sgb.borders", 1);
 	mCoreConfigSetDefaultIntValue(&m_config, "useCgbColors", 1);
 	mCoreConfigMap(&m_config, &m_opts);
+
+	mSubParserGraphicsInit(&m_subparsers[0], &m_graphicsOpts);
+
+	m_subparsers[1].usage = "Frontend options:\n"
+	    "  --ecard FILENAME  Scan an e-Reader card in the first loaded game\n"
+	    "                    Can be paassed multiple times for multiple cards";
+	m_subparsers[1].parse = nullptr;
+	m_subparsers[1].parseLong = [](struct mSubParser* parser, const char* option, const char* arg) {
+		if (option == QLatin1String("ecard")) {
+			QStringList* eCards = static_cast<QStringList*>(parser->opts);
+			eCards->append(QString::fromUtf8(arg));
+			return true;
+		}
+		return false;
+	};
+	m_subparsers[1].apply = nullptr;
+	m_subparsers[1].extraOptions = nullptr;
+	m_subparsers[1].longOptions = (const mOption[]) {
+		{ "ecard", true, '\0' },
+		{ 0 }
+	};
+	m_subparsers[1].opts = &m_eCards;
 }
 
 ConfigController::~ConfigController() {
@@ -140,7 +162,7 @@ bool ConfigController::parseArguments(int argc, char* argv[]) {
 	if (m_parsed) {
 		return false;
 	}
-	mSubParserGraphicsInit(&m_subparsers[0], &m_graphicsOpts);
+
 	if (mArgumentsParse(&m_args, argc, argv, m_subparsers.data(), m_subparsers.size())) {
 		mCoreConfigFreeOpts(&m_opts);
 		mArgumentsApply(&m_args, m_subparsers.data(), m_subparsers.size(), &m_config);
@@ -312,6 +334,10 @@ void ConfigController::usage(const char* arg0) const {
 	::usage(arg0, nullptr, nullptr, m_subparsers.data(), m_subparsers.size());
 }
 
+QStringList ConfigController::takeECardList() {
+	return QStringList(std::move(m_eCards));
+}
+
 bool ConfigController::isPortable() {
 	return mCoreConfigIsPortable();
 }

src/platform/qt/ConfigController.h

@@ -96,6 +96,8 @@ public:
 	const mGraphicsOpts* graphicsOpts() const { return &m_graphicsOpts; }
 	void usage(const char* arg0) const;
 
+	QStringList takeECardList();
+
 	static const QString& configDir();
 	static bool isPortable();
 
@@ -117,8 +119,9 @@ private:
 	mCoreOptions m_opts{};
 	mArguments m_args{};
 	mGraphicsOpts m_graphicsOpts{};
-	std::array<mSubParser, 1> m_subparsers;
+	std::array<mSubParser, 2> m_subparsers;
 	bool m_parsed = false;
+	QStringList m_eCards;
 
 	QHash<QString, ConfigOption*> m_optionSet;
 	std::unique_ptr<QSettings> m_settings;

src/platform/qt/CoreController.cpp

@@ -897,8 +897,31 @@ void CoreController::scanCard(const QString& path) {
 	QImage image(path);
 	if (image.isNull()) {
 		QFile file(path);
-		file.open(QIODevice::ReadOnly);
+		if (!file.open(QIODevice::ReadOnly)) {
+			return;
+		}
 		m_eReaderData = file.read(2912);
+
+		file.seek(0);
+		QStringList lines;
+		QDir basedir(QFileInfo(path).dir());
+
+		while (true) {
+			QByteArray line = file.readLine().trimmed();
+			if (line.isEmpty()) {
+				break;
+			}
+			QString filepath(QString::fromUtf8(line));
+			if (filepath[0] == QChar('#')) {
+				continue;
+			}
+			if (QFileInfo(filepath).isRelative()) {
+				lines.append(basedir.filePath(filepath));
+			} else {
+				lines.append(filepath);
+			}
+		}
+		scanCards(lines);
 	} else if (image.size() == QSize(989, 44) || image.size() == QSize(639, 44)) {
 		const uchar* bits = image.constBits();
 		size_t size;
@@ -917,6 +940,11 @@ void CoreController::scanCard(const QString& path) {
 #endif
 }
 
+void CoreController::scanCards(const QStringList& paths) {
+	for (const QString& path : paths) {
+		scanCard(path);
+	}
+}
 
 void CoreController::importSharkport(const QString& path) {
 #ifdef M_CORE_GBA

src/platform/qt/CoreController.h

@@ -159,6 +159,7 @@ public slots:
 	void loadSave(VFile*, bool temporary);
 	void loadPatch(const QString&);
 	void scanCard(const QString&);
+	void scanCards(const QStringList&);
 	void replaceGame(const QString&);
 	void yankPak();
 

src/platform/qt/Window.cpp

@@ -925,8 +925,16 @@ void Window::gameStarted() {
 			action->setActive(true);
 		}
 	}
+	interrupter.resume();
+
 	m_actions.rebuildMenu(menuBar(), this, *m_shortcutController);
 
+#ifdef M_CORE_GBA
+	if (m_controller->platform() == mPLATFORM_GBA) {
+		m_controller->scanCards(m_config->takeECardList());
+	}
+#endif
+
 #ifdef USE_DISCORD_RPC
 	DiscordCoordinator::gameStarted(m_controller);
 #endif