1/* Copyright (c) 2013-2014 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#include "GBAApp.h"
  7
  8#include "AudioProcessor.h"
  9#include "Display.h"
 10#include "GameController.h"
 11#include "Window.h"
 12#include "VFileDevice.h"
 13
 14#include <QFileInfo>
 15#include <QFileOpenEvent>
 16#include <QIcon>
 17
 18extern "C" {
 19#include "gba/supervisor/thread.h"
 20#include "platform/commandline.h"
 21#include "util/nointro.h"
 22#include "util/socket.h"
 23}
 24
 25using namespace QGBA;
 26
 27static GBAApp* g_app = nullptr;
 28
 29GBAApp::GBAApp(int& argc, char* argv[])
 30	: QApplication(argc, argv)
 31	, m_windows{}
 32	, m_db(nullptr)
 33{
 34	g_app = this;
 35
 36#ifdef BUILD_SDL
 37	SDL_Init(SDL_INIT_NOPARACHUTE);
 38#endif
 39
 40#ifndef Q_OS_MAC
 41	setWindowIcon(QIcon(":/res/mgba-1024.png"));
 42#endif
 43
 44	SocketSubsystemInit();
 45	qRegisterMetaType<const uint32_t*>("const uint32_t*");
 46	qRegisterMetaType<mCoreThread*>("mCoreThread*");
 47
 48	QApplication::setApplicationName(projectName);
 49	QApplication::setApplicationVersion(projectVersion);
 50
 51	if (!m_configController.getQtOption("displayDriver").isNull()) {
 52		Display::setDriver(static_cast<Display::Driver>(m_configController.getQtOption("displayDriver").toInt()));
 53	}
 54
 55	mArguments args;
 56	mGraphicsOpts graphicsOpts;
 57	mSubParser subparser;
 58	initParserForGraphics(&subparser, &graphicsOpts);
 59	bool loaded = m_configController.parseArguments(&args, argc, argv, &subparser);
 60	if (loaded && args.showHelp) {
 61		usage(argv[0], subparser.usage);
 62		::exit(0);
 63		return;
 64	}
 65
 66	reloadGameDB();
 67
 68	if (!m_configController.getQtOption("audioDriver").isNull()) {
 69		AudioProcessor::setDriver(static_cast<AudioProcessor::Driver>(m_configController.getQtOption("audioDriver").toInt()));
 70	}
 71	Window* w = new Window(&m_configController);
 72	connect(w, &Window::destroyed, [this]() {
 73		m_windows[0] = nullptr;
 74	});
 75	m_windows[0] = w;
 76
 77	if (loaded) {
 78		w->argumentsPassed(&args);
 79	} else {
 80		w->loadConfig();
 81	}
 82	freeArguments(&args);
 83
 84	if (graphicsOpts.multiplier) {
 85		w->resizeFrame(VIDEO_HORIZONTAL_PIXELS * graphicsOpts.multiplier, VIDEO_VERTICAL_PIXELS * graphicsOpts.multiplier);
 86	}
 87	if (graphicsOpts.fullscreen) {
 88		w->enterFullScreen();
 89	}
 90
 91	w->show();
 92
 93	w->controller()->setMultiplayerController(&m_multiplayer);
 94	w->multiplayerChanged();
 95}
 96
 97bool GBAApp::event(QEvent* event) {
 98	if (event->type() == QEvent::FileOpen) {
 99		m_windows[0]->controller()->loadGame(static_cast<QFileOpenEvent*>(event)->file());
100		return true;
101	}
102	return QApplication::event(event);
103}
104
105Window* GBAApp::newWindow() {
106	if (m_multiplayer.attached() >= MAX_GBAS) {
107		return nullptr;
108	}
109	Window* w = new Window(&m_configController, m_multiplayer.attached());
110	int windowId = m_multiplayer.attached();
111	connect(w, &Window::destroyed, [this, windowId]() {
112		m_windows[windowId] = nullptr;
113	});
114	m_windows[windowId] = w;
115	w->setAttribute(Qt::WA_DeleteOnClose);
116	w->loadConfig();
117	w->show();
118	w->controller()->setMultiplayerController(&m_multiplayer);
119	w->multiplayerChanged();
120	return w;
121}
122
123GBAApp* GBAApp::app() {
124	return g_app;
125}
126
127void GBAApp::pauseAll(QList<int>* paused) {
128	for (int i = 0; i < MAX_GBAS; ++i) {
129		if (!m_windows[i] || !m_windows[i]->controller()->isLoaded() || m_windows[i]->controller()->isPaused()) {
130			continue;
131		}
132		m_windows[i]->controller()->setPaused(true);
133		paused->append(i);
134	}
135}
136
137void GBAApp::continueAll(const QList<int>* paused) {
138	for (int i : *paused) {
139		m_windows[i]->controller()->setPaused(false);
140	}
141}
142
143QString GBAApp::getOpenFileName(QWidget* owner, const QString& title, const QString& filter) {
144	QList<int> paused;
145	pauseAll(&paused);
146	QString filename = QFileDialog::getOpenFileName(owner, title, m_configController.getQtOption("lastDirectory").toString(), filter);
147	continueAll(&paused);
148	if (!filename.isEmpty()) {
149		m_configController.setQtOption("lastDirectory", QFileInfo(filename).dir().path());
150	}
151	return filename;
152}
153
154QString GBAApp::getSaveFileName(QWidget* owner, const QString& title, const QString& filter) {
155	QList<int> paused;
156	pauseAll(&paused);
157	QString filename = QFileDialog::getSaveFileName(owner, title, m_configController.getQtOption("lastDirectory").toString(), filter);
158	continueAll(&paused);
159	if (!filename.isEmpty()) {
160		m_configController.setQtOption("lastDirectory", QFileInfo(filename).dir().path());
161	}
162	return filename;
163}
164
165QString GBAApp::getOpenDirectoryName(QWidget* owner, const QString& title) {
166	QList<int> paused;
167	pauseAll(&paused);
168	QString filename = QFileDialog::getExistingDirectory(owner, title, m_configController.getQtOption("lastDirectory").toString());
169	continueAll(&paused);
170	if (!filename.isEmpty()) {
171		m_configController.setQtOption("lastDirectory", QFileInfo(filename).dir().path());
172	}
173	return filename;
174}
175
176QFileDialog* GBAApp::getOpenFileDialog(QWidget* owner, const QString& title, const QString& filter) {
177	FileDialog* dialog = new FileDialog(this, owner, title, filter);
178	dialog->setAcceptMode(QFileDialog::AcceptOpen);
179	return dialog;
180}
181
182QFileDialog* GBAApp::getSaveFileDialog(QWidget* owner, const QString& title, const QString& filter) {
183	FileDialog* dialog = new FileDialog(this, owner, title, filter);
184	dialog->setAcceptMode(QFileDialog::AcceptSave);
185	return dialog;
186}
187
188QString GBAApp::dataDir() {
189#ifdef DATA_DIR
190	QString path = QString::fromUtf8(DATA_DIR);
191#else
192	QString path = QCoreApplication::applicationDirPath();
193#ifdef Q_OS_MAC
194	path += QLatin1String("/../Resources");
195#endif
196#endif
197	return path;
198}
199
200bool GBAApp::reloadGameDB() {
201	NoIntroDB* db = nullptr;
202	VFile* vf = VFileDevice::open(dataDir() + "/nointro.dat", O_RDONLY);
203	if (vf) {
204		db = NoIntroDBLoad(vf);
205		vf->close(vf);
206	}
207	if (db && m_db) {
208		NoIntroDBDestroy(m_db);
209	}
210	if (db) {
211		m_db = db;
212		return true;
213	}
214	return false;
215}
216
217GBAApp::FileDialog::FileDialog(GBAApp* app, QWidget* parent, const QString& caption, const QString& filter)
218	: QFileDialog(parent, caption, app->m_configController.getQtOption("lastDirectory").toString(), filter)
219	, m_app(app)
220{
221}
222
223int GBAApp::FileDialog::exec() {
224	QList<int> paused;
225	m_app->pauseAll(&paused);
226	bool didAccept = QFileDialog::exec() == QDialog::Accepted;
227	QStringList filenames = selectedFiles();
228	if (!filenames.isEmpty()) {
229		m_app->m_configController.setQtOption("lastDirectory", QFileInfo(filenames[0]).dir().path());
230	}
231	m_app->continueAll(&paused);
232	return didAccept;
233}