all repos — mgba @ e17e4fd19003209ff9db1f0ac1394e463c7b4a47

mGBA Game Boy Advance Emulator

src/platform/qt/Window.cpp (view raw)

   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 "Window.h"
   7
   8#include <QKeyEvent>
   9#include <QKeySequence>
  10#include <QMenuBar>
  11#include <QMessageBox>
  12#include <QMimeData>
  13#include <QPainter>
  14#include <QStackedLayout>
  15
  16#include "AboutScreen.h"
  17#include "CheatsView.h"
  18#include "ConfigController.h"
  19#include "Display.h"
  20#include "GameController.h"
  21#include "GBAApp.h"
  22#include "GBAKeyEditor.h"
  23#include "GDBController.h"
  24#include "GDBWindow.h"
  25#include "GIFView.h"
  26#include "LoadSaveState.h"
  27#include "LogView.h"
  28#include "MultiplayerController.h"
  29#include "MemoryView.h"
  30#include "OverrideView.h"
  31#include "PaletteView.h"
  32#include "SensorView.h"
  33#include "SettingsView.h"
  34#include "ShortcutController.h"
  35#include "ShortcutView.h"
  36#include "VideoView.h"
  37
  38extern "C" {
  39#include "platform/commandline.h"
  40}
  41
  42using namespace QGBA;
  43
  44#if defined(__WIN32) || defined(__OpenBSD__)
  45// This is a macro everywhere except MinGW and OpenBSD, it seems
  46using std::isnan;
  47#endif
  48
  49Window::Window(ConfigController* config, int playerId, QWidget* parent)
  50	: QMainWindow(parent)
  51	, m_log(0)
  52	, m_logView(new LogView(&m_log))
  53	, m_stateWindow(nullptr)
  54	, m_screenWidget(new WindowBackground())
  55	, m_logo(":/res/mgba-1024.png")
  56	, m_config(config)
  57	, m_inputController(playerId, this)
  58#ifdef USE_FFMPEG
  59	, m_videoView(nullptr)
  60#endif
  61#ifdef USE_MAGICK
  62	, m_gifView(nullptr)
  63#endif
  64#ifdef USE_GDB_STUB
  65	, m_gdbController(nullptr)
  66#endif
  67	, m_mruMenu(nullptr)
  68	, m_shortcutController(new ShortcutController(this))
  69	, m_playerId(playerId)
  70{
  71	setFocusPolicy(Qt::StrongFocus);
  72	setAcceptDrops(true);
  73	setAttribute(Qt::WA_DeleteOnClose);
  74	m_controller = new GameController(this);
  75	m_controller->setInputController(&m_inputController);
  76	m_controller->setOverrides(m_config->overrides());
  77	updateTitle();
  78
  79	m_display = Display::create(this);
  80
  81	m_logo.setDevicePixelRatio(m_screenWidget->devicePixelRatio());
  82	m_logo = m_logo; // Free memory left over in old pixmap
  83
  84	m_screenWidget->setMinimumSize(m_display->minimumSize());
  85	m_screenWidget->setSizePolicy(m_display->sizePolicy());
  86	m_screenWidget->setSizeHint(m_display->minimumSize() * 2);
  87	m_screenWidget->setPixmap(m_logo);
  88	m_screenWidget->setLockAspectRatio(m_logo.width(), m_logo.height());
  89	setCentralWidget(m_screenWidget);
  90
  91	QVariant windowPos = m_config->getQtOption("windowPos");
  92	if (!windowPos.isNull()) {
  93		move(windowPos.toPoint());
  94	}
  95
  96	connect(m_controller, SIGNAL(gameStarted(GBAThread*)), this, SLOT(gameStarted(GBAThread*)));
  97	connect(m_controller, SIGNAL(gameStarted(GBAThread*)), &m_inputController, SLOT(suspendScreensaver()));
  98	connect(m_controller, SIGNAL(gameStopped(GBAThread*)), m_display, SLOT(stopDrawing()));
  99	connect(m_controller, SIGNAL(gameStopped(GBAThread*)), this, SLOT(gameStopped()));
 100	connect(m_controller, SIGNAL(gameStopped(GBAThread*)), &m_inputController, SLOT(resumeScreensaver()));
 101	connect(m_controller, SIGNAL(stateLoaded(GBAThread*)), m_display, SLOT(forceDraw()));
 102	connect(m_controller, SIGNAL(rewound(GBAThread*)), m_display, SLOT(forceDraw()));
 103	connect(m_controller, &GameController::gamePaused, [this]() {
 104		QImage currentImage(reinterpret_cast<const uchar*>(m_controller->drawContext()), VIDEO_HORIZONTAL_PIXELS,
 105		                    VIDEO_VERTICAL_PIXELS, 1024, QImage::Format_RGBX8888);
 106		QPixmap pixmap;
 107		pixmap.convertFromImage(currentImage);
 108		m_screenWidget->setPixmap(pixmap);
 109		m_screenWidget->setLockAspectRatio(3, 2);
 110	});
 111	connect(m_controller, SIGNAL(gamePaused(GBAThread*)), m_display, SLOT(pauseDrawing()));
 112#ifndef Q_OS_MAC
 113	connect(m_controller, SIGNAL(gamePaused(GBAThread*)), menuBar(), SLOT(show()));
 114	connect(m_controller, &GameController::gameUnpaused, [this]() {
 115		if(isFullScreen()) {
 116			menuBar()->hide();
 117		}
 118	});
 119#endif
 120	connect(m_controller, SIGNAL(gamePaused(GBAThread*)), &m_inputController, SLOT(resumeScreensaver()));
 121	connect(m_controller, SIGNAL(gameUnpaused(GBAThread*)), m_display, SLOT(unpauseDrawing()));
 122	connect(m_controller, SIGNAL(gameUnpaused(GBAThread*)), &m_inputController, SLOT(suspendScreensaver()));
 123	connect(m_controller, SIGNAL(postLog(int, const QString&)), &m_log, SLOT(postLog(int, const QString&)));
 124	connect(m_controller, SIGNAL(frameAvailable(const uint32_t*)), this, SLOT(recordFrame()));
 125	connect(m_controller, SIGNAL(frameAvailable(const uint32_t*)), m_display, SLOT(framePosted(const uint32_t*)));
 126	connect(m_controller, SIGNAL(gameCrashed(const QString&)), this, SLOT(gameCrashed(const QString&)));
 127	connect(m_controller, SIGNAL(gameFailed()), this, SLOT(gameFailed()));
 128	connect(m_controller, SIGNAL(unimplementedBiosCall(int)), this, SLOT(unimplementedBiosCall(int)));
 129	connect(m_controller, SIGNAL(statusPosted(const QString&)), m_display, SLOT(showMessage(const QString&)));
 130	connect(&m_log, SIGNAL(levelsSet(int)), m_controller, SLOT(setLogLevel(int)));
 131	connect(&m_log, SIGNAL(levelsEnabled(int)), m_controller, SLOT(enableLogLevel(int)));
 132	connect(&m_log, SIGNAL(levelsDisabled(int)), m_controller, SLOT(disableLogLevel(int)));
 133	connect(this, SIGNAL(startDrawing(GBAThread*)), m_display, SLOT(startDrawing(GBAThread*)), Qt::QueuedConnection);
 134	connect(this, SIGNAL(shutdown()), m_display, SLOT(stopDrawing()));
 135	connect(this, SIGNAL(shutdown()), m_controller, SLOT(closeGame()));
 136	connect(this, SIGNAL(shutdown()), m_logView, SLOT(hide()));
 137	connect(this, SIGNAL(audioBufferSamplesChanged(int)), m_controller, SLOT(setAudioBufferSamples(int)));
 138	connect(this, SIGNAL(sampleRateChanged(unsigned)), m_controller, SLOT(setAudioSampleRate(unsigned)));
 139	connect(this, SIGNAL(fpsTargetChanged(float)), m_controller, SLOT(setFPSTarget(float)));
 140	connect(&m_fpsTimer, SIGNAL(timeout()), this, SLOT(showFPS()));
 141	connect(m_display, &Display::hideCursor, [this]() {
 142		if (static_cast<QStackedLayout*>(m_screenWidget->layout())->currentWidget() == m_display) {
 143			m_screenWidget->setCursor(Qt::BlankCursor);
 144		}
 145	});
 146	connect(m_display, &Display::showCursor, [this]() {
 147		m_screenWidget->unsetCursor();
 148	});
 149	connect(&m_inputController, SIGNAL(profileLoaded(const QString&)), m_shortcutController, SLOT(loadProfile(const QString&)));
 150
 151	m_log.setLevels(GBA_LOG_WARN | GBA_LOG_ERROR | GBA_LOG_FATAL | GBA_LOG_STATUS);
 152	m_fpsTimer.setInterval(FPS_TIMER_INTERVAL);
 153
 154	m_shortcutController->setConfigController(m_config);
 155	setupMenu(menuBar());
 156}
 157
 158Window::~Window() {
 159	delete m_logView;
 160
 161#ifdef USE_FFMPEG
 162	delete m_videoView;
 163#endif
 164
 165#ifdef USE_MAGICK
 166	delete m_gifView;
 167#endif
 168}
 169
 170void Window::argumentsPassed(GBAArguments* args) {
 171	loadConfig();
 172
 173	if (args->patch) {
 174		m_controller->loadPatch(args->patch);
 175	}
 176
 177	if (args->fname) {
 178		m_controller->loadGame(args->fname, args->dirmode);
 179	}
 180}
 181
 182void Window::resizeFrame(int width, int height) {
 183	QSize newSize(width, height);
 184	m_screenWidget->setSizeHint(newSize);
 185	newSize -= m_screenWidget->size();
 186	newSize += size();
 187	resize(newSize);
 188}
 189
 190void Window::setConfig(ConfigController* config) {
 191	m_config = config;
 192}
 193
 194void Window::loadConfig() {
 195	const GBAOptions* opts = m_config->options();
 196
 197	m_log.setLevels(opts->logLevel);
 198
 199	m_controller->setOptions(opts);
 200	m_display->lockAspectRatio(opts->lockAspectRatio);
 201	m_display->filter(opts->resampleVideo);
 202
 203	if (opts->bios) {
 204		m_controller->loadBIOS(opts->bios);
 205	}
 206
 207	// TODO: Move these to ConfigController
 208	if (opts->fpsTarget) {
 209		emit fpsTargetChanged(opts->fpsTarget);
 210	}
 211
 212	if (opts->audioBuffers) {
 213		emit audioBufferSamplesChanged(opts->audioBuffers);
 214	}
 215
 216	if (opts->sampleRate) {
 217		emit sampleRateChanged(opts->sampleRate);
 218	}
 219
 220	if (opts->width && opts->height) {
 221		resizeFrame(opts->width, opts->height);
 222	}
 223
 224	if (opts->fullscreen) {
 225		enterFullScreen();
 226	}
 227
 228	m_inputController.setScreensaverSuspendable(opts->suspendScreensaver);
 229
 230	m_mruFiles = m_config->getMRU();
 231	updateMRU();
 232
 233	m_inputController.setConfiguration(m_config);
 234}
 235
 236void Window::saveConfig() {
 237	m_inputController.saveConfiguration();
 238	m_config->write();
 239}
 240
 241void Window::selectROM() {
 242	QStringList formats{
 243		"*.gba",
 244#ifdef USE_LIBZIP
 245		"*.zip",
 246#endif
 247#ifdef USE_LZMA
 248		"*.7z",
 249#endif
 250		"*.rom",
 251		"*.bin"};
 252	QString filter = tr("Game Boy Advance ROMs (%1)").arg(formats.join(QChar(' ')));
 253	QString filename = GBAApp::app()->getOpenFileName(this, tr("Select ROM"), filter);
 254	if (!filename.isEmpty()) {
 255		m_controller->loadGame(filename);
 256	}
 257}
 258
 259void Window::replaceROM() {
 260	QStringList formats{
 261		"*.gba",
 262#ifdef USE_LIBZIP
 263		"*.zip",
 264#endif
 265#ifdef USE_LZMA
 266		"*.7z",
 267#endif
 268		"*.rom",
 269		"*.bin"};
 270	QString filter = tr("Game Boy Advance ROMs (%1)").arg(formats.join(QChar(' ')));
 271	QString filename = GBAApp::app()->getOpenFileName(this, tr("Select ROM"), filter);
 272	if (!filename.isEmpty()) {
 273		m_controller->replaceGame(filename);
 274	}
 275}
 276
 277void Window::selectBIOS() {
 278	QString filename = GBAApp::app()->getOpenFileName(this, tr("Select BIOS"));
 279	if (!filename.isEmpty()) {
 280		m_config->setOption("bios", filename);
 281		m_config->updateOption("bios");
 282		m_config->setOption("useBios", true);
 283		m_config->updateOption("useBios");
 284		m_controller->loadBIOS(filename);
 285	}
 286}
 287
 288void Window::selectPatch() {
 289	QString filename = GBAApp::app()->getOpenFileName(this, tr("Select patch"), tr("Patches (*.ips *.ups *.bps)"));
 290	if (!filename.isEmpty()) {
 291		m_controller->loadPatch(filename);
 292	}
 293}
 294
 295void Window::openView(QWidget* widget) {
 296	connect(this, SIGNAL(shutdown()), widget, SLOT(close()));
 297	widget->setAttribute(Qt::WA_DeleteOnClose);
 298	widget->show();
 299}
 300
 301void Window::importSharkport() {
 302	QString filename = GBAApp::app()->getOpenFileName(this, tr("Select save"), tr("GameShark saves (*.sps *.xps)"));
 303	if (!filename.isEmpty()) {
 304		m_controller->importSharkport(filename);
 305	}
 306}
 307
 308void Window::exportSharkport() {
 309	QString filename = GBAApp::app()->getSaveFileName(this, tr("Select save"), tr("GameShark saves (*.sps *.xps)"));
 310	if (!filename.isEmpty()) {
 311		m_controller->exportSharkport(filename);
 312	}
 313}
 314
 315void Window::openKeymapWindow() {
 316	GBAKeyEditor* keyEditor = new GBAKeyEditor(&m_inputController, InputController::KEYBOARD);
 317	openView(keyEditor);
 318}
 319
 320void Window::openSettingsWindow() {
 321	SettingsView* settingsWindow = new SettingsView(m_config);
 322	connect(settingsWindow, SIGNAL(biosLoaded(const QString&)), m_controller, SLOT(loadBIOS(const QString&)));
 323	connect(settingsWindow, SIGNAL(audioDriverChanged()), m_controller, SLOT(reloadAudioDriver()));
 324	connect(settingsWindow, SIGNAL(displayDriverChanged()), this, SLOT(mustRestart()));
 325	openView(settingsWindow);
 326}
 327
 328void Window::openShortcutWindow() {
 329#ifdef BUILD_SDL
 330	m_inputController.recalibrateAxes();
 331#endif
 332	ShortcutView* shortcutView = new ShortcutView();
 333	shortcutView->setController(m_shortcutController);
 334	shortcutView->setInputController(&m_inputController);
 335	openView(shortcutView);
 336}
 337
 338void Window::openOverrideWindow() {
 339	OverrideView* overrideWindow = new OverrideView(m_controller, m_config);
 340	openView(overrideWindow);
 341}
 342
 343void Window::openSensorWindow() {
 344	SensorView* sensorWindow = new SensorView(m_controller, &m_inputController);
 345	openView(sensorWindow);
 346}
 347
 348void Window::openCheatsWindow() {
 349	CheatsView* cheatsWindow = new CheatsView(m_controller);
 350	openView(cheatsWindow);
 351}
 352
 353void Window::openPaletteWindow() {
 354	PaletteView* paletteWindow = new PaletteView(m_controller);
 355	openView(paletteWindow);
 356}
 357
 358void Window::openMemoryWindow() {
 359	MemoryView* memoryWindow = new MemoryView(m_controller);
 360	openView(memoryWindow);
 361}
 362
 363void Window::openAboutScreen() {
 364	AboutScreen* about = new AboutScreen();
 365	openView(about);
 366}
 367
 368#ifdef BUILD_SDL
 369void Window::openGamepadWindow() {
 370	const char* profile = m_inputController.profileForType(SDL_BINDING_BUTTON);
 371	GBAKeyEditor* keyEditor = new GBAKeyEditor(&m_inputController, SDL_BINDING_BUTTON, profile);
 372	openView(keyEditor);
 373}
 374#endif
 375
 376#ifdef USE_FFMPEG
 377void Window::openVideoWindow() {
 378	if (!m_videoView) {
 379		m_videoView = new VideoView();
 380		connect(m_videoView, SIGNAL(recordingStarted(GBAAVStream*)), m_controller, SLOT(setAVStream(GBAAVStream*)));
 381		connect(m_videoView, SIGNAL(recordingStopped()), m_controller, SLOT(clearAVStream()), Qt::DirectConnection);
 382		connect(m_controller, SIGNAL(gameStopped(GBAThread*)), m_videoView, SLOT(stopRecording()));
 383		connect(m_controller, SIGNAL(gameStopped(GBAThread*)), m_videoView, SLOT(close()));
 384		connect(this, SIGNAL(shutdown()), m_videoView, SLOT(close()));
 385	}
 386	m_videoView->show();
 387}
 388#endif
 389
 390#ifdef USE_MAGICK
 391void Window::openGIFWindow() {
 392	if (!m_gifView) {
 393		m_gifView = new GIFView();
 394		connect(m_gifView, SIGNAL(recordingStarted(GBAAVStream*)), m_controller, SLOT(setAVStream(GBAAVStream*)));
 395		connect(m_gifView, SIGNAL(recordingStopped()), m_controller, SLOT(clearAVStream()), Qt::DirectConnection);
 396		connect(m_controller, SIGNAL(gameStopped(GBAThread*)), m_gifView, SLOT(stopRecording()));
 397		connect(m_controller, SIGNAL(gameStopped(GBAThread*)), m_gifView, SLOT(close()));
 398		connect(this, SIGNAL(shutdown()), m_gifView, SLOT(close()));
 399	}
 400	m_gifView->show();
 401}
 402#endif
 403
 404#ifdef USE_GDB_STUB
 405void Window::gdbOpen() {
 406	if (!m_gdbController) {
 407		m_gdbController = new GDBController(m_controller, this);
 408	}
 409	GDBWindow* window = new GDBWindow(m_gdbController);
 410	openView(window);
 411}
 412#endif
 413
 414void Window::keyPressEvent(QKeyEvent* event) {
 415	if (event->isAutoRepeat()) {
 416		QWidget::keyPressEvent(event);
 417		return;
 418	}
 419	GBAKey key = m_inputController.mapKeyboard(event->key());
 420	if (key == GBA_KEY_NONE) {
 421		QWidget::keyPressEvent(event);
 422		return;
 423	}
 424	m_controller->keyPressed(key);
 425	event->accept();
 426}
 427
 428void Window::keyReleaseEvent(QKeyEvent* event) {
 429	if (event->isAutoRepeat()) {
 430		QWidget::keyReleaseEvent(event);
 431		return;
 432	}
 433	GBAKey key = m_inputController.mapKeyboard(event->key());
 434	if (key == GBA_KEY_NONE) {
 435		QWidget::keyPressEvent(event);
 436		return;
 437	}
 438	m_controller->keyReleased(key);
 439	event->accept();
 440}
 441
 442void Window::resizeEvent(QResizeEvent* event) {
 443	if (!isFullScreen()) {
 444		m_config->setOption("height", m_screenWidget->height());
 445		m_config->setOption("width", m_screenWidget->width());
 446	}
 447
 448	int factor = 0;
 449	if (event->size().width() % VIDEO_HORIZONTAL_PIXELS == 0 && event->size().height() % VIDEO_VERTICAL_PIXELS == 0 &&
 450	    event->size().width() / VIDEO_HORIZONTAL_PIXELS == event->size().height() / VIDEO_VERTICAL_PIXELS) {
 451		factor = event->size().width() / VIDEO_HORIZONTAL_PIXELS;
 452	}
 453	for (QMap<int, QAction*>::iterator iter = m_frameSizes.begin(); iter != m_frameSizes.end(); ++iter) {
 454		bool enableSignals = iter.value()->blockSignals(true);
 455		if (iter.key() == factor) {
 456			iter.value()->setChecked(true);
 457		} else {
 458			iter.value()->setChecked(false);
 459		}
 460		iter.value()->blockSignals(enableSignals);
 461	}
 462
 463	m_config->setOption("fullscreen", isFullScreen());
 464}
 465
 466void Window::showEvent(QShowEvent* event) {
 467	resizeFrame(m_screenWidget->sizeHint().width(), m_screenWidget->sizeHint().height());
 468}
 469
 470void Window::closeEvent(QCloseEvent* event) {
 471	emit shutdown();
 472	m_config->setQtOption("windowPos", pos());
 473	saveConfig();
 474	QMainWindow::closeEvent(event);
 475}
 476
 477void Window::focusInEvent(QFocusEvent*) {
 478	m_display->forceDraw();
 479}
 480
 481void Window::focusOutEvent(QFocusEvent*) {
 482	m_controller->setTurbo(false, false);
 483	m_controller->stopRewinding();
 484	m_controller->clearKeys();
 485}
 486
 487void Window::dragEnterEvent(QDragEnterEvent* event) {
 488	if (event->mimeData()->hasFormat("text/uri-list")) {
 489		event->acceptProposedAction();
 490	}
 491}
 492
 493void Window::dropEvent(QDropEvent* event) {
 494	QString uris = event->mimeData()->data("text/uri-list");
 495	uris = uris.trimmed();
 496	if (uris.contains("\n")) {
 497		// Only one file please
 498		return;
 499	}
 500	QUrl url(uris);
 501	if (!url.isLocalFile()) {
 502		// No remote loading
 503		return;
 504	}
 505	event->accept();
 506	m_controller->loadGame(url.path());
 507}
 508
 509void Window::mouseDoubleClickEvent(QMouseEvent* event) {
 510	if (event->button() != Qt::LeftButton) {
 511		return;
 512	}
 513	toggleFullScreen();
 514}
 515
 516void Window::enterFullScreen() {
 517	if (isFullScreen()) {
 518		return;
 519	}
 520	showFullScreen();
 521#ifndef Q_OS_MAC
 522	if (m_controller->isLoaded() && !m_controller->isPaused()) {
 523		menuBar()->hide();
 524	}
 525#endif
 526}
 527
 528void Window::exitFullScreen() {
 529	if (!isFullScreen()) {
 530		return;
 531	}
 532	m_screenWidget->unsetCursor();
 533	menuBar()->show();
 534	showNormal();
 535}
 536
 537void Window::toggleFullScreen() {
 538	if (isFullScreen()) {
 539		exitFullScreen();
 540	} else {
 541		enterFullScreen();
 542	}
 543}
 544
 545void Window::gameStarted(GBAThread* context) {
 546	char title[13] = { '\0' };
 547	MutexLock(&context->stateMutex);
 548	if (context->state < THREAD_EXITING) {
 549		emit startDrawing(context);
 550		GBAGetGameTitle(context->gba, title);
 551	} else {
 552		MutexUnlock(&context->stateMutex);
 553		return;
 554	}
 555	MutexUnlock(&context->stateMutex);
 556	foreach (QAction* action, m_gameActions) {
 557		action->setDisabled(false);
 558	}
 559	if (context->fname) {
 560		setWindowFilePath(context->fname);
 561		appendMRU(context->fname);
 562	}
 563	updateTitle();
 564	attachWidget(m_display);
 565
 566#ifndef Q_OS_MAC
 567	if (isFullScreen()) {
 568		menuBar()->hide();
 569	}
 570#endif
 571
 572	m_hitUnimplementedBiosCall = false;
 573	m_fpsTimer.start();
 574}
 575
 576void Window::gameStopped() {
 577	foreach (QAction* action, m_gameActions) {
 578		action->setDisabled(true);
 579	}
 580	setWindowFilePath(QString());
 581	updateTitle();
 582	detachWidget(m_display);
 583	m_screenWidget->setLockAspectRatio(m_logo.width(), m_logo.height());
 584	m_screenWidget->setPixmap(m_logo);
 585	m_screenWidget->unsetCursor();
 586
 587	m_fpsTimer.stop();
 588}
 589
 590void Window::gameCrashed(const QString& errorMessage) {
 591	QMessageBox* crash = new QMessageBox(QMessageBox::Critical, tr("Crash"),
 592	                                     tr("The game has crashed with the following error:\n\n%1").arg(errorMessage),
 593	                                     QMessageBox::Ok, this, Qt::Sheet);
 594	crash->setAttribute(Qt::WA_DeleteOnClose);
 595	crash->show();
 596}
 597
 598void Window::gameFailed() {
 599	QMessageBox* fail = new QMessageBox(QMessageBox::Warning, tr("Couldn't Load"),
 600	                                    tr("Could not load game. Are you sure it's in the correct format?"),
 601	                                    QMessageBox::Ok, this, Qt::Sheet);
 602	fail->setAttribute(Qt::WA_DeleteOnClose);
 603	fail->show();
 604}
 605
 606void Window::unimplementedBiosCall(int call) {
 607	if (m_hitUnimplementedBiosCall) {
 608		return;
 609	}
 610	m_hitUnimplementedBiosCall = true;
 611
 612	QMessageBox* fail = new QMessageBox(
 613	    QMessageBox::Warning, tr("Unimplemented BIOS call"),
 614	    tr("This game uses a BIOS call that is not implemented. Please use the official BIOS for best experience."),
 615	    QMessageBox::Ok, this, Qt::Sheet);
 616	fail->setAttribute(Qt::WA_DeleteOnClose);
 617	fail->show();
 618}
 619
 620void Window::tryMakePortable() {
 621	QMessageBox* confirm = new QMessageBox(QMessageBox::Question, tr("Really make portable?"),
 622	                                       tr("This will make the emulator load its configuration from the same directory as the executable. Do you want to continue?"),
 623	                                       QMessageBox::Yes | QMessageBox::Cancel, this, Qt::Sheet);
 624	confirm->setAttribute(Qt::WA_DeleteOnClose);
 625	connect(confirm->button(QMessageBox::Yes), SIGNAL(clicked()), m_config, SLOT(makePortable()));
 626	confirm->show();
 627}
 628
 629void Window::mustRestart() {
 630	QMessageBox* dialog = new QMessageBox(QMessageBox::Warning, tr("Restart needed"),
 631	                                      tr("Some changes will not take effect until the emulator is restarted."),
 632	                                      QMessageBox::Ok, this, Qt::Sheet);
 633	dialog->setAttribute(Qt::WA_DeleteOnClose);
 634	dialog->show();
 635}
 636
 637void Window::recordFrame() {
 638	m_frameList.append(QDateTime::currentDateTime());
 639	while (m_frameList.count() > FRAME_LIST_SIZE) {
 640		m_frameList.removeFirst();
 641	}
 642}
 643
 644void Window::showFPS() {
 645	if (m_frameList.isEmpty()) {
 646		updateTitle();
 647		return;
 648	}
 649	qint64 interval = m_frameList.first().msecsTo(m_frameList.last());
 650	float fps = (m_frameList.count() - 1) * 10000.f / interval;
 651	fps = round(fps) / 10.f;
 652	updateTitle(fps);
 653}
 654
 655void Window::updateTitle(float fps) {
 656	QString title;
 657
 658	m_controller->threadInterrupt();
 659	if (m_controller->isLoaded()) {
 660		char gameTitle[13] = { '\0' };
 661		GBAGetGameTitle(m_controller->thread()->gba, gameTitle);
 662
 663		title = (gameTitle);
 664	}
 665	MultiplayerController* multiplayer = m_controller->multiplayerController();
 666	if (multiplayer && multiplayer->attached() > 1) {
 667		title += tr(" -  Player %1 of %2").arg(m_playerId + 1).arg(multiplayer->attached());
 668	}
 669	m_controller->threadContinue();
 670	if (title.isNull()) {
 671		setWindowTitle(tr("%1 - %2").arg(projectName).arg(projectVersion));
 672	} else if (isnan(fps)) {
 673		setWindowTitle(tr("%1 - %2 - %3").arg(projectName).arg(title).arg(projectVersion));
 674	} else {
 675		setWindowTitle(tr("%1 - %2 (%3 fps) - %4").arg(projectName).arg(title).arg(fps).arg(projectVersion));
 676	}
 677}
 678
 679void Window::openStateWindow(LoadSave ls) {
 680	if (m_stateWindow) {
 681		return;
 682	}
 683	bool wasPaused = m_controller->isPaused();
 684	m_stateWindow = new LoadSaveState(m_controller);
 685	connect(this, SIGNAL(shutdown()), m_stateWindow, SLOT(close()));
 686	connect(m_controller, SIGNAL(gameStopped(GBAThread*)), m_stateWindow, SLOT(close()));
 687	connect(m_stateWindow, &LoadSaveState::closed, [this]() {
 688		detachWidget(m_stateWindow);
 689		m_stateWindow = nullptr;
 690		QMetaObject::invokeMethod(this, "setFocus", Qt::QueuedConnection);
 691	});
 692	if (!wasPaused) {
 693		m_controller->setPaused(true);
 694		connect(m_stateWindow, &LoadSaveState::closed, [this]() { m_controller->setPaused(false); });
 695	}
 696	m_stateWindow->setAttribute(Qt::WA_DeleteOnClose);
 697	m_stateWindow->setMode(ls);
 698	attachWidget(m_stateWindow);
 699}
 700
 701void Window::setupMenu(QMenuBar* menubar) {
 702	menubar->clear();
 703	QMenu* fileMenu = menubar->addMenu(tr("&File"));
 704	m_shortcutController->addMenu(fileMenu);
 705	installEventFilter(m_shortcutController);
 706	addControlledAction(fileMenu, fileMenu->addAction(tr("Load &ROM..."), this, SLOT(selectROM()), QKeySequence::Open),
 707	                    "loadROM");
 708	addControlledAction(fileMenu, fileMenu->addAction(tr("Load &BIOS..."), this, SLOT(selectBIOS())), "loadBIOS");
 709	addControlledAction(fileMenu, fileMenu->addAction(tr("Load &patch..."), this, SLOT(selectPatch())), "loadPatch");
 710	addControlledAction(fileMenu, fileMenu->addAction(tr("Boot BIOS"), m_controller, SLOT(bootBIOS())), "bootBIOS");
 711
 712	addControlledAction(fileMenu, fileMenu->addAction(tr("Replace ROM..."), this, SLOT(replaceROM())), "replaceROM");
 713
 714	m_mruMenu = fileMenu->addMenu(tr("Recent"));
 715
 716	fileMenu->addSeparator();
 717
 718	addControlledAction(fileMenu, fileMenu->addAction(tr("Make portable"), this, SLOT(tryMakePortable())), "makePortable");
 719
 720	fileMenu->addSeparator();
 721
 722	QAction* loadState = new QAction(tr("&Load state"), fileMenu);
 723	loadState->setShortcut(tr("F10"));
 724	connect(loadState, &QAction::triggered, [this]() { this->openStateWindow(LoadSave::LOAD); });
 725	m_gameActions.append(loadState);
 726	addControlledAction(fileMenu, loadState, "loadState");
 727
 728	QAction* saveState = new QAction(tr("&Save state"), fileMenu);
 729	saveState->setShortcut(tr("Shift+F10"));
 730	connect(saveState, &QAction::triggered, [this]() { this->openStateWindow(LoadSave::SAVE); });
 731	m_gameActions.append(saveState);
 732	addControlledAction(fileMenu, saveState, "saveState");
 733
 734	QMenu* quickLoadMenu = fileMenu->addMenu(tr("Quick load"));
 735	QMenu* quickSaveMenu = fileMenu->addMenu(tr("Quick save"));
 736	m_shortcutController->addMenu(quickLoadMenu);
 737	m_shortcutController->addMenu(quickSaveMenu);
 738
 739	QAction* quickLoad = new QAction(tr("Load recent"), quickLoadMenu);
 740	connect(quickLoad, SIGNAL(triggered()), m_controller, SLOT(loadState()));
 741	m_gameActions.append(quickLoad);
 742	addControlledAction(quickLoadMenu, quickLoad, "quickLoad");
 743
 744	QAction* quickSave = new QAction(tr("Save recent"), quickSaveMenu);
 745	connect(quickSave, SIGNAL(triggered()), m_controller, SLOT(saveState()));
 746	m_gameActions.append(quickSave);
 747	addControlledAction(quickSaveMenu, quickSave, "quickSave");
 748
 749	quickLoadMenu->addSeparator();
 750	quickSaveMenu->addSeparator();
 751
 752	QAction* undoLoadState = new QAction(tr("Undo load state"), quickLoadMenu);
 753	undoLoadState->setShortcut(tr("F11"));
 754	connect(undoLoadState, SIGNAL(triggered()), m_controller, SLOT(loadBackupState()));
 755	m_gameActions.append(undoLoadState);
 756	addControlledAction(quickLoadMenu, undoLoadState, "undoLoadState");
 757
 758	QAction* undoSaveState = new QAction(tr("Undo save state"), quickSaveMenu);
 759	undoSaveState->setShortcut(tr("Shift+F11"));
 760	connect(undoSaveState, SIGNAL(triggered()), m_controller, SLOT(saveBackupState()));
 761	m_gameActions.append(undoSaveState);
 762	addControlledAction(quickSaveMenu, undoSaveState, "undoSaveState");
 763
 764	quickLoadMenu->addSeparator();
 765	quickSaveMenu->addSeparator();
 766
 767	int i;
 768	for (i = 1; i < 10; ++i) {
 769		quickLoad = new QAction(tr("State &%1").arg(i), quickLoadMenu);
 770		quickLoad->setShortcut(tr("F%1").arg(i));
 771		connect(quickLoad, &QAction::triggered, [this, i]() { m_controller->loadState(i); });
 772		m_gameActions.append(quickLoad);
 773		addControlledAction(quickLoadMenu, quickLoad, QString("quickLoad.%1").arg(i));
 774
 775		quickSave = new QAction(tr("State &%1").arg(i), quickSaveMenu);
 776		quickSave->setShortcut(tr("Shift+F%1").arg(i));
 777		connect(quickSave, &QAction::triggered, [this, i]() { m_controller->saveState(i); });
 778		m_gameActions.append(quickSave);
 779		addControlledAction(quickSaveMenu, quickSave, QString("quickSave.%1").arg(i));
 780	}
 781
 782	fileMenu->addSeparator();
 783	QAction* importShark = new QAction(tr("Import GameShark Save"), fileMenu);
 784	connect(importShark, SIGNAL(triggered()), this, SLOT(importSharkport()));
 785	m_gameActions.append(importShark);
 786	addControlledAction(fileMenu, importShark, "importShark");
 787
 788	QAction* exportShark = new QAction(tr("Export GameShark Save"), fileMenu);
 789	connect(exportShark, SIGNAL(triggered()), this, SLOT(exportSharkport()));
 790	m_gameActions.append(exportShark);
 791	addControlledAction(fileMenu, exportShark, "exportShark");
 792
 793	fileMenu->addSeparator();
 794	QAction* multiWindow = new QAction(tr("New multiplayer window"), fileMenu);
 795	connect(multiWindow, &QAction::triggered, [this]() {
 796		GBAApp::app()->newWindow();
 797	});
 798	addControlledAction(fileMenu, multiWindow, "multiWindow");
 799
 800#ifndef Q_OS_MAC
 801	fileMenu->addSeparator();
 802#endif
 803
 804	QAction* about = new QAction(tr("About"), fileMenu);
 805	connect(about, SIGNAL(triggered()), this, SLOT(openAboutScreen()));
 806	fileMenu->addAction(about);
 807
 808#ifndef Q_OS_MAC
 809	addControlledAction(fileMenu, fileMenu->addAction(tr("E&xit"), this, SLOT(close()), QKeySequence::Quit), "quit");
 810#endif
 811
 812	QMenu* emulationMenu = menubar->addMenu(tr("&Emulation"));
 813	m_shortcutController->addMenu(emulationMenu);
 814	QAction* reset = new QAction(tr("&Reset"), emulationMenu);
 815	reset->setShortcut(tr("Ctrl+R"));
 816	connect(reset, SIGNAL(triggered()), m_controller, SLOT(reset()));
 817	m_gameActions.append(reset);
 818	addControlledAction(emulationMenu, reset, "reset");
 819
 820	QAction* shutdown = new QAction(tr("Sh&utdown"), emulationMenu);
 821	connect(shutdown, SIGNAL(triggered()), m_controller, SLOT(closeGame()));
 822	m_gameActions.append(shutdown);
 823	addControlledAction(emulationMenu, shutdown, "shutdown");
 824
 825	QAction* yank = new QAction(tr("Yank game pak"), emulationMenu);
 826	connect(yank, SIGNAL(triggered()), m_controller, SLOT(yankPak()));
 827	m_gameActions.append(yank);
 828	addControlledAction(emulationMenu, yank, "yank");
 829	emulationMenu->addSeparator();
 830
 831	QAction* pause = new QAction(tr("&Pause"), emulationMenu);
 832	pause->setChecked(false);
 833	pause->setCheckable(true);
 834	pause->setShortcut(tr("Ctrl+P"));
 835	connect(pause, SIGNAL(triggered(bool)), m_controller, SLOT(setPaused(bool)));
 836	connect(m_controller, &GameController::gamePaused, [this, pause]() {
 837		pause->setChecked(true);
 838	});
 839	connect(m_controller, &GameController::gameUnpaused, [pause]() { pause->setChecked(false); });
 840	m_gameActions.append(pause);
 841	addControlledAction(emulationMenu, pause, "pause");
 842
 843	QAction* frameAdvance = new QAction(tr("&Next frame"), emulationMenu);
 844	frameAdvance->setShortcut(tr("Ctrl+N"));
 845	connect(frameAdvance, SIGNAL(triggered()), m_controller, SLOT(frameAdvance()));
 846	m_gameActions.append(frameAdvance);
 847	addControlledAction(emulationMenu, frameAdvance, "frameAdvance");
 848
 849	emulationMenu->addSeparator();
 850
 851	m_shortcutController->addFunctions(emulationMenu, [this]() {
 852		m_controller->setTurbo(true, false);
 853	}, [this]() {
 854		m_controller->setTurbo(false, false);
 855	}, QKeySequence(Qt::Key_Tab), tr("Fast forward (held)"), "holdFastForward");
 856
 857	QAction* turbo = new QAction(tr("&Fast forward"), emulationMenu);
 858	turbo->setCheckable(true);
 859	turbo->setChecked(false);
 860	turbo->setShortcut(tr("Shift+Tab"));
 861	connect(turbo, SIGNAL(triggered(bool)), m_controller, SLOT(setTurbo(bool)));
 862	addControlledAction(emulationMenu, turbo, "fastForward");
 863
 864	QMenu* ffspeedMenu = emulationMenu->addMenu(tr("Fast forward speed"));
 865	ConfigOption* ffspeed = m_config->addOption("fastForwardRatio");
 866	ffspeed->connect([this](const QVariant& value) {
 867		m_controller->setTurboSpeed(value.toFloat());
 868	}, this);
 869	ffspeed->addValue(tr("Unbounded"), -1.0f, ffspeedMenu);
 870	ffspeed->setValue(QVariant(-1.0f));
 871	ffspeedMenu->addSeparator();
 872	for (i = 2; i < 11; ++i) {
 873		ffspeed->addValue(tr("%0x").arg(i), i, ffspeedMenu);
 874	}
 875	m_config->updateOption("fastForwardRatio");
 876
 877	m_shortcutController->addFunctions(emulationMenu, [this]() {
 878		m_controller->startRewinding();
 879	}, [this]() {
 880		m_controller->stopRewinding();
 881	}, QKeySequence("~"), tr("Rewind (held)"), "holdRewind");
 882
 883	QAction* rewind = new QAction(tr("Re&wind"), emulationMenu);
 884	rewind->setShortcut(tr("`"));
 885	connect(rewind, SIGNAL(triggered()), m_controller, SLOT(rewind()));
 886	m_gameActions.append(rewind);
 887	addControlledAction(emulationMenu, rewind, "rewind");
 888
 889	QAction* frameRewind = new QAction(tr("Step backwards"), emulationMenu);
 890	frameRewind->setShortcut(tr("Ctrl+B"));
 891	connect(frameRewind, &QAction::triggered, [this] () {
 892		m_controller->rewind(1);
 893	});
 894	m_gameActions.append(frameRewind);
 895	addControlledAction(emulationMenu, frameRewind, "frameRewind");
 896
 897	ConfigOption* videoSync = m_config->addOption("videoSync");
 898	videoSync->addBoolean(tr("Sync to &video"), emulationMenu);
 899	videoSync->connect([this](const QVariant& value) {
 900		m_controller->setVideoSync(value.toBool());
 901	}, this);
 902	m_config->updateOption("videoSync");
 903
 904	ConfigOption* audioSync = m_config->addOption("audioSync");
 905	audioSync->addBoolean(tr("Sync to &audio"), emulationMenu);
 906	audioSync->connect([this](const QVariant& value) {
 907		m_controller->setAudioSync(value.toBool());
 908	}, this);
 909	m_config->updateOption("audioSync");
 910
 911	emulationMenu->addSeparator();
 912
 913	QMenu* solarMenu = emulationMenu->addMenu(tr("Solar sensor"));
 914	m_shortcutController->addMenu(solarMenu);
 915	QAction* solarIncrease = new QAction(tr("Increase solar level"), solarMenu);
 916	connect(solarIncrease, SIGNAL(triggered()), m_controller, SLOT(increaseLuminanceLevel()));
 917	addControlledAction(solarMenu, solarIncrease, "increaseLuminanceLevel");
 918
 919	QAction* solarDecrease = new QAction(tr("Decrease solar level"), solarMenu);
 920	connect(solarDecrease, SIGNAL(triggered()), m_controller, SLOT(decreaseLuminanceLevel()));
 921	addControlledAction(solarMenu, solarDecrease, "decreaseLuminanceLevel");
 922
 923	QAction* maxSolar = new QAction(tr("Brightest solar level"), solarMenu);
 924	connect(maxSolar, &QAction::triggered, [this]() { m_controller->setLuminanceLevel(10); });
 925	addControlledAction(solarMenu, maxSolar, "maxLuminanceLevel");
 926
 927	QAction* minSolar = new QAction(tr("Darkest solar level"), solarMenu);
 928	connect(minSolar, &QAction::triggered, [this]() { m_controller->setLuminanceLevel(0); });
 929	addControlledAction(solarMenu, minSolar, "minLuminanceLevel");
 930
 931	solarMenu->addSeparator();
 932	for (int i = 0; i <= 10; ++i) {
 933		QAction* setSolar = new QAction(tr("Brightness %1").arg(QString::number(i)), solarMenu);
 934		connect(setSolar, &QAction::triggered, [this, i]() {
 935			m_controller->setLuminanceLevel(i);
 936		});
 937		addControlledAction(solarMenu, setSolar, QString("luminanceLevel.%1").arg(QString::number(i)));
 938	}
 939
 940	QMenu* avMenu = menubar->addMenu(tr("Audio/&Video"));
 941	m_shortcutController->addMenu(avMenu);
 942	QMenu* frameMenu = avMenu->addMenu(tr("Frame size"));
 943	m_shortcutController->addMenu(frameMenu, avMenu);
 944	for (int i = 1; i <= 6; ++i) {
 945		QAction* setSize = new QAction(tr("%1x").arg(QString::number(i)), avMenu);
 946		setSize->setCheckable(true);
 947		connect(setSize, &QAction::triggered, [this, i, setSize]() {
 948			showNormal();
 949			resizeFrame(VIDEO_HORIZONTAL_PIXELS * i, VIDEO_VERTICAL_PIXELS * i);
 950			bool enableSignals = setSize->blockSignals(true);
 951			setSize->setChecked(true);
 952			setSize->blockSignals(enableSignals);
 953		});
 954		m_frameSizes[i] = setSize;
 955		addControlledAction(frameMenu, setSize, QString("frame%1x").arg(QString::number(i)));
 956	}
 957	QKeySequence fullscreenKeys;
 958#ifdef Q_OS_WIN
 959	fullscreenKeys = QKeySequence("Alt+Return");
 960#else
 961	fullscreenKeys = QKeySequence("Ctrl+F");
 962#endif
 963	addControlledAction(frameMenu, frameMenu->addAction(tr("Toggle fullscreen"), this, SLOT(toggleFullScreen()), fullscreenKeys), "fullscreen");
 964
 965	ConfigOption* lockAspectRatio = m_config->addOption("lockAspectRatio");
 966	lockAspectRatio->addBoolean(tr("Lock aspect ratio"), avMenu);
 967	lockAspectRatio->connect([this](const QVariant& value) {
 968		m_display->lockAspectRatio(value.toBool());
 969	}, this);
 970	m_config->updateOption("lockAspectRatio");
 971
 972	ConfigOption* resampleVideo = m_config->addOption("resampleVideo");
 973	resampleVideo->addBoolean(tr("Resample video"), avMenu);
 974	resampleVideo->connect([this](const QVariant& value) {
 975		m_display->filter(value.toBool());
 976	}, this);
 977	m_config->updateOption("resampleVideo");
 978
 979	QMenu* skipMenu = avMenu->addMenu(tr("Frame&skip"));
 980	ConfigOption* skip = m_config->addOption("frameskip");
 981	skip->connect([this](const QVariant& value) {
 982		m_controller->setFrameskip(value.toInt());
 983	}, this);
 984	for (int i = 0; i <= 10; ++i) {
 985		skip->addValue(QString::number(i), i, skipMenu);
 986	}
 987	m_config->updateOption("frameskip");
 988
 989	avMenu->addSeparator();
 990
 991	QMenu* target = avMenu->addMenu(tr("FPS target"));
 992	ConfigOption* fpsTargetOption = m_config->addOption("fpsTarget");
 993	fpsTargetOption->connect([this](const QVariant& value) {
 994		emit fpsTargetChanged(value.toFloat());
 995	}, this);
 996	fpsTargetOption->addValue(tr("15"), 15, target);
 997	fpsTargetOption->addValue(tr("30"), 30, target);
 998	fpsTargetOption->addValue(tr("45"), 45, target);
 999	fpsTargetOption->addValue(tr("Native (59.7)"), float(GBA_ARM7TDMI_FREQUENCY) / float(VIDEO_TOTAL_LENGTH), target);
1000	fpsTargetOption->addValue(tr("60"), 60, target);
1001	fpsTargetOption->addValue(tr("90"), 90, target);
1002	fpsTargetOption->addValue(tr("120"), 120, target);
1003	fpsTargetOption->addValue(tr("240"), 240, target);
1004	m_config->updateOption("fpsTarget");
1005
1006#if defined(USE_PNG) || defined(USE_FFMPEG) || defined(USE_MAGICK)
1007	avMenu->addSeparator();
1008#endif
1009
1010#ifdef USE_PNG
1011	QAction* screenshot = new QAction(tr("Take &screenshot"), avMenu);
1012	screenshot->setShortcut(tr("F12"));
1013	connect(screenshot, SIGNAL(triggered()), m_controller, SLOT(screenshot()));
1014	m_gameActions.append(screenshot);
1015	addControlledAction(avMenu, screenshot, "screenshot");
1016#endif
1017
1018#ifdef USE_FFMPEG
1019	QAction* recordOutput = new QAction(tr("Record output..."), avMenu);
1020	connect(recordOutput, SIGNAL(triggered()), this, SLOT(openVideoWindow()));
1021	addControlledAction(avMenu, recordOutput, "recordOutput");
1022#endif
1023
1024#ifdef USE_MAGICK
1025	QAction* recordGIF = new QAction(tr("Record GIF..."), avMenu);
1026	connect(recordGIF, SIGNAL(triggered()), this, SLOT(openGIFWindow()));
1027	addControlledAction(avMenu, recordGIF, "recordGIF");
1028#endif
1029
1030	avMenu->addSeparator();
1031	QMenu* videoLayers = avMenu->addMenu(tr("Video layers"));
1032
1033	for (int i = 0; i < 4; ++i) {
1034		QAction* enableBg = new QAction(tr("Background %0").arg(i), videoLayers);
1035		enableBg->setCheckable(true);
1036		enableBg->setChecked(true);
1037		connect(enableBg, &QAction::triggered, [this, i](bool enable) { m_controller->setVideoLayerEnabled(i, enable); });
1038		addControlledAction(videoLayers, enableBg, QString("enableBG%0").arg(i));
1039	}
1040
1041	QAction* enableObj = new QAction(tr("OBJ (sprites)"), videoLayers);
1042	enableObj->setCheckable(true);
1043	enableObj->setChecked(true);
1044	connect(enableObj, &QAction::triggered, [this](bool enable) { m_controller->setVideoLayerEnabled(4, enable); });
1045	addControlledAction(videoLayers, enableObj, "enableOBJ");
1046
1047	QMenu* audioChannels = avMenu->addMenu(tr("Audio channels"));
1048
1049	for (int i = 0; i < 4; ++i) {
1050		QAction* enableCh = new QAction(tr("Channel %0").arg(i + 1), audioChannels);
1051		enableCh->setCheckable(true);
1052		enableCh->setChecked(true);
1053		connect(enableCh, &QAction::triggered, [this, i](bool enable) { m_controller->setAudioChannelEnabled(i, enable); });
1054		addControlledAction(audioChannels, enableCh, QString("enableCh%0").arg(i + 1));
1055	}
1056
1057	QAction* enableChA = new QAction(tr("Channel A"), audioChannels);
1058	enableChA->setCheckable(true);
1059	enableChA->setChecked(true);
1060	connect(enableChA, &QAction::triggered, [this, i](bool enable) { m_controller->setAudioChannelEnabled(4, enable); });
1061	addControlledAction(audioChannels, enableChA, QString("enableChA"));
1062
1063	QAction* enableChB = new QAction(tr("Channel B"), audioChannels);
1064	enableChB->setCheckable(true);
1065	enableChB->setChecked(true);
1066	connect(enableChB, &QAction::triggered, [this, i](bool enable) { m_controller->setAudioChannelEnabled(5, enable); });
1067	addControlledAction(audioChannels, enableChB, QString("enableChB"));
1068
1069	QMenu* toolsMenu = menubar->addMenu(tr("&Tools"));
1070	m_shortcutController->addMenu(toolsMenu);
1071	QAction* viewLogs = new QAction(tr("View &logs..."), toolsMenu);
1072	connect(viewLogs, SIGNAL(triggered()), m_logView, SLOT(show()));
1073	addControlledAction(toolsMenu, viewLogs, "viewLogs");
1074
1075	QAction* overrides = new QAction(tr("Game &overrides..."), toolsMenu);
1076	connect(overrides, SIGNAL(triggered()), this, SLOT(openOverrideWindow()));
1077	addControlledAction(toolsMenu, overrides, "overrideWindow");
1078
1079	QAction* sensors = new QAction(tr("Game &Pak sensors..."), toolsMenu);
1080	connect(sensors, SIGNAL(triggered()), this, SLOT(openSensorWindow()));
1081	addControlledAction(toolsMenu, sensors, "sensorWindow");
1082
1083	QAction* cheats = new QAction(tr("&Cheats..."), toolsMenu);
1084	connect(cheats, SIGNAL(triggered()), this, SLOT(openCheatsWindow()));
1085	addControlledAction(toolsMenu, cheats, "cheatsWindow");
1086
1087#ifdef USE_GDB_STUB
1088	QAction* gdbWindow = new QAction(tr("Start &GDB server..."), toolsMenu);
1089	connect(gdbWindow, SIGNAL(triggered()), this, SLOT(gdbOpen()));
1090	addControlledAction(toolsMenu, gdbWindow, "gdbWindow");
1091#endif
1092
1093	toolsMenu->addSeparator();
1094	addControlledAction(toolsMenu, toolsMenu->addAction(tr("Settings..."), this, SLOT(openSettingsWindow())),
1095	                    "settings");
1096	addControlledAction(toolsMenu, toolsMenu->addAction(tr("Edit shortcuts..."), this, SLOT(openShortcutWindow())),
1097	                    "shortcuts");
1098
1099	QAction* keymap = new QAction(tr("Remap keyboard..."), toolsMenu);
1100	connect(keymap, SIGNAL(triggered()), this, SLOT(openKeymapWindow()));
1101	addControlledAction(toolsMenu, keymap, "remapKeyboard");
1102
1103#ifdef BUILD_SDL
1104	QAction* gamepad = new QAction(tr("Remap gamepad..."), toolsMenu);
1105	connect(gamepad, SIGNAL(triggered()), this, SLOT(openGamepadWindow()));
1106	addControlledAction(toolsMenu, gamepad, "remapGamepad");
1107#endif
1108
1109	toolsMenu->addSeparator();
1110
1111	QAction* paletteView = new QAction(tr("View &palette..."), toolsMenu);
1112	connect(paletteView, SIGNAL(triggered()), this, SLOT(openPaletteWindow()));
1113	m_gameActions.append(paletteView);
1114	addControlledAction(toolsMenu, paletteView, "paletteWindow");
1115
1116	QAction* memoryView = new QAction(tr("View memory..."), toolsMenu);
1117	connect(memoryView, SIGNAL(triggered()), this, SLOT(openMemoryWindow()));
1118	m_gameActions.append(memoryView);
1119	addControlledAction(toolsMenu, memoryView, "memoryView");
1120
1121	ConfigOption* skipBios = m_config->addOption("skipBios");
1122	skipBios->connect([this](const QVariant& value) {
1123		m_controller->setSkipBIOS(value.toBool());
1124	}, this);
1125
1126	ConfigOption* useBios = m_config->addOption("useBios");
1127	useBios->connect([this](const QVariant& value) {
1128		m_controller->setUseBIOS(value.toBool());
1129	}, this);
1130
1131	ConfigOption* buffers = m_config->addOption("audioBuffers");
1132	buffers->connect([this](const QVariant& value) {
1133		emit audioBufferSamplesChanged(value.toInt());
1134	}, this);
1135
1136	ConfigOption* sampleRate = m_config->addOption("sampleRate");
1137	sampleRate->connect([this](const QVariant& value) {
1138		emit sampleRateChanged(value.toUInt());
1139	}, this);
1140
1141	ConfigOption* volume = m_config->addOption("volume");
1142	volume->connect([this](const QVariant& value) {
1143		m_controller->setVolume(value.toInt());
1144	}, this);
1145
1146	ConfigOption* mute = m_config->addOption("mute");
1147	mute->connect([this](const QVariant& value) {
1148		m_controller->setMute(value.toBool());
1149	}, this);
1150
1151	ConfigOption* rewindEnable = m_config->addOption("rewindEnable");
1152	rewindEnable->connect([this](const QVariant& value) {
1153		m_controller->setRewind(value.toBool(), m_config->getOption("rewindBufferCapacity").toInt(), m_config->getOption("rewindBufferInterval").toInt());
1154	}, this);
1155
1156	ConfigOption* rewindBufferCapacity = m_config->addOption("rewindBufferCapacity");
1157	rewindBufferCapacity->connect([this](const QVariant& value) {
1158		m_controller->setRewind(m_config->getOption("rewindEnable").toInt(), value.toInt(), m_config->getOption("rewindBufferInterval").toInt());
1159	}, this);
1160
1161	ConfigOption* rewindBufferInterval = m_config->addOption("rewindBufferInterval");
1162	rewindBufferInterval->connect([this](const QVariant& value) {
1163		m_controller->setRewind(m_config->getOption("rewindEnable").toInt(), m_config->getOption("rewindBufferCapacity").toInt(), value.toInt());
1164	}, this);
1165
1166	ConfigOption* allowOpposingDirections = m_config->addOption("allowOpposingDirections");
1167	allowOpposingDirections->connect([this](const QVariant& value) {
1168		m_inputController.setAllowOpposing(value.toBool());
1169	}, this);
1170
1171	QAction* exitFullScreen = new QAction(tr("Exit fullscreen"), frameMenu);
1172	connect(exitFullScreen, SIGNAL(triggered()), this, SLOT(exitFullScreen()));
1173	exitFullScreen->setShortcut(QKeySequence("Esc"));
1174	addHiddenAction(frameMenu, exitFullScreen, "exitFullScreen");
1175
1176	foreach (QAction* action, m_gameActions) {
1177		action->setDisabled(true);
1178	}
1179}
1180
1181void Window::attachWidget(QWidget* widget) {
1182	m_screenWidget->layout()->addWidget(widget);
1183	m_screenWidget->unsetCursor();
1184	static_cast<QStackedLayout*>(m_screenWidget->layout())->setCurrentWidget(widget);
1185}
1186
1187void Window::detachWidget(QWidget* widget) {
1188	m_screenWidget->layout()->removeWidget(widget);
1189}
1190
1191void Window::appendMRU(const QString& fname) {
1192	int index = m_mruFiles.indexOf(fname);
1193	if (index >= 0) {
1194		m_mruFiles.removeAt(index);
1195	}
1196	m_mruFiles.prepend(fname);
1197	while (m_mruFiles.size() > ConfigController::MRU_LIST_SIZE) {
1198		m_mruFiles.removeLast();
1199	}
1200	updateMRU();
1201}
1202
1203void Window::updateMRU() {
1204	if (!m_mruMenu) {
1205		return;
1206	}
1207	m_mruMenu->clear();
1208	int i = 0;
1209	for (const QString& file : m_mruFiles) {
1210		QAction* item = new QAction(file, m_mruMenu);
1211		item->setShortcut(QString("Ctrl+%1").arg(i));
1212		connect(item, &QAction::triggered, [this, file]() { m_controller->loadGame(file); });
1213		m_mruMenu->addAction(item);
1214		++i;
1215	}
1216	m_config->setMRU(m_mruFiles);
1217	m_config->write();
1218	m_mruMenu->setEnabled(i > 0);
1219}
1220
1221QAction* Window::addControlledAction(QMenu* menu, QAction* action, const QString& name) {
1222	addHiddenAction(menu, action, name);
1223	menu->addAction(action);
1224	return action;
1225}
1226
1227QAction* Window::addHiddenAction(QMenu* menu, QAction* action, const QString& name) {
1228	m_shortcutController->addAction(menu, action, name);
1229	action->setShortcutContext(Qt::WidgetShortcut);
1230	addAction(action);
1231	return action;
1232}
1233
1234WindowBackground::WindowBackground(QWidget* parent)
1235	: QLabel(parent)
1236{
1237	setLayout(new QStackedLayout());
1238	layout()->setContentsMargins(0, 0, 0, 0);
1239	setAlignment(Qt::AlignCenter);
1240}
1241
1242void WindowBackground::setSizeHint(const QSize& hint) {
1243	m_sizeHint = hint;
1244}
1245
1246QSize WindowBackground::sizeHint() const {
1247	return m_sizeHint;
1248}
1249
1250void WindowBackground::setLockAspectRatio(int width, int height) {
1251	m_aspectWidth = width;
1252	m_aspectHeight = height;
1253}
1254
1255void WindowBackground::paintEvent(QPaintEvent*) {
1256	const QPixmap* logo = pixmap();
1257	if (!logo) {
1258		return;
1259	}
1260	QPainter painter(this);
1261	painter.setRenderHint(QPainter::SmoothPixmapTransform);
1262	painter.fillRect(QRect(QPoint(), size()), Qt::black);
1263	QSize s = size();
1264	QSize ds = s;
1265	if (ds.width() * m_aspectHeight > ds.height() * m_aspectWidth) {
1266		ds.setWidth(ds.height() * m_aspectWidth / m_aspectHeight);
1267	} else if (ds.width() * m_aspectHeight < ds.height() * m_aspectWidth) {
1268		ds.setHeight(ds.width() * m_aspectHeight / m_aspectWidth);
1269	}
1270	QPoint origin = QPoint((s.width() - ds.width()) / 2, (s.height() - ds.height()) / 2);
1271	QRect full(origin, ds);
1272	painter.drawPixmap(full, *logo);
1273}