all repos — mgba @ fec4c064475615dcf5593fa8fa8d342913997936

mGBA Game Boy Advance Emulator

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

   1/* Copyright (c) 2013-2016 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 <QDesktopWidget>
   9#include <QKeyEvent>
  10#include <QKeySequence>
  11#include <QMenuBar>
  12#include <QMessageBox>
  13#include <QMimeData>
  14#include <QPainter>
  15#include <QStackedLayout>
  16
  17#ifdef USE_SQLITE3
  18#include "ArchiveInspector.h"
  19#include "library/LibraryController.h"
  20#endif
  21
  22#include "AboutScreen.h"
  23#include "CheatsView.h"
  24#include "ConfigController.h"
  25#include "DebuggerConsole.h"
  26#include "DebuggerConsoleController.h"
  27#include "Display.h"
  28#include "GameController.h"
  29#include "GBAApp.h"
  30#include "GDBController.h"
  31#include "GDBWindow.h"
  32#include "GIFView.h"
  33#include "IOViewer.h"
  34#include "LoadSaveState.h"
  35#include "LogView.h"
  36#include "MultiplayerController.h"
  37#include "MemorySearch.h"
  38#include "MemoryView.h"
  39#include "OverrideView.h"
  40#include "ObjView.h"
  41#include "PaletteView.h"
  42#include "ROMInfo.h"
  43#include "SensorView.h"
  44#include "SettingsView.h"
  45#include "ShaderSelector.h"
  46#include "ShortcutController.h"
  47#include "TileView.h"
  48#include "VideoView.h"
  49
  50#include <mgba/core/version.h>
  51#ifdef M_CORE_GB
  52#include <mgba/internal/gb/gb.h>
  53#include <mgba/internal/gb/video.h>
  54#endif
  55#ifdef M_CORE_GBA
  56#include <mgba/internal/gba/gba.h>
  57#include <mgba/internal/gba/video.h>
  58#endif
  59#include <mgba/feature/commandline.h>
  60#include "feature/sqlite3/no-intro.h"
  61#include <mgba-util/vfs.h>
  62
  63using namespace QGBA;
  64
  65Window::Window(ConfigController* config, int playerId, QWidget* parent)
  66	: QMainWindow(parent)
  67	, m_logView(new LogView(&m_log))
  68	, m_screenWidget(new WindowBackground())
  69	, m_config(config)
  70	, m_inputController(playerId, this)
  71	, m_shortcutController(new ShortcutController(this))
  72{
  73	setFocusPolicy(Qt::StrongFocus);
  74	setAcceptDrops(true);
  75	setAttribute(Qt::WA_DeleteOnClose);
  76	m_controller = new GameController(this);
  77	m_controller->setInputController(&m_inputController);
  78	updateTitle();
  79
  80	m_display = Display::create(this);
  81	m_shaderView = new ShaderSelector(m_display, m_config);
  82
  83	m_logo.setDevicePixelRatio(m_screenWidget->devicePixelRatio());
  84	m_logo = m_logo; // Free memory left over in old pixmap
  85
  86	m_screenWidget->setMinimumSize(m_display->minimumSize());
  87	m_screenWidget->setSizePolicy(m_display->sizePolicy());
  88	int i = 2;
  89	QVariant multiplier = m_config->getOption("scaleMultiplier");
  90	if (!multiplier.isNull()) {
  91		m_savedScale = multiplier.toInt();
  92		i = m_savedScale;
  93	}
  94#ifdef USE_SQLITE3
  95	m_libraryView = new LibraryController(nullptr, ConfigController::configDir() + "/library.sqlite3", m_config);
  96	ConfigOption* showLibrary = m_config->addOption("showLibrary");
  97	showLibrary->connect([this](const QVariant& value) {
  98		if (value.toBool()) {
  99			if (m_controller->isLoaded()) {
 100				m_screenWidget->layout()->addWidget(m_libraryView);
 101			} else {
 102				attachWidget(m_libraryView);
 103			}
 104		} else {
 105			detachWidget(m_libraryView);
 106		}
 107	}, this);
 108	m_config->updateOption("showLibrary");
 109	ConfigOption* libraryStyle = m_config->addOption("libraryStyle");
 110	libraryStyle->connect([this](const QVariant& value) {
 111		m_libraryView->setViewStyle(static_cast<LibraryStyle>(value.toInt()));
 112	}, this);
 113	m_config->updateOption("libraryStyle");
 114
 115	connect(m_libraryView, &LibraryController::startGame, [this]() {
 116		VFile* output = m_libraryView->selectedVFile();
 117		if (output) {
 118			QPair<QString, QString> path = m_libraryView->selectedPath();
 119			m_controller->loadGame(output, path.second, path.first);
 120		}
 121	});
 122#elif defined(M_CORE_GBA)
 123	m_screenWidget->setSizeHint(QSize(VIDEO_HORIZONTAL_PIXELS * i, VIDEO_VERTICAL_PIXELS * i));
 124#endif
 125	m_screenWidget->setPixmap(m_logo);
 126	m_screenWidget->setLockAspectRatio(m_logo.width(), m_logo.height());
 127	m_screenWidget->setLockIntegerScaling(false);
 128	setCentralWidget(m_screenWidget);
 129
 130	connect(m_controller, &GameController::gameStarted, this, &Window::gameStarted);
 131	connect(m_controller, &GameController::gameStarted, &m_inputController, &InputController::suspendScreensaver);
 132	connect(m_controller, &GameController::gameStopped, m_display, &Display::stopDrawing);
 133	connect(m_controller, &GameController::gameStopped, this, &Window::gameStopped);
 134	connect(m_controller, &GameController::gameStopped, &m_inputController, &InputController::resumeScreensaver);
 135	connect(m_controller, &GameController::stateLoaded, m_display, &Display::forceDraw);
 136	connect(m_controller, &GameController::rewound, m_display, &Display::forceDraw);
 137	connect(m_controller, &GameController::gamePaused, [this](mCoreThread* context) {
 138		unsigned width, height;
 139		context->core->desiredVideoDimensions(context->core, &width, &height);
 140		QImage currentImage(reinterpret_cast<const uchar*>(m_controller->drawContext()), width, height,
 141		                    width * BYTES_PER_PIXEL, QImage::Format_RGBX8888);
 142		QPixmap pixmap;
 143		pixmap.convertFromImage(currentImage);
 144		m_screenWidget->setPixmap(pixmap);
 145		m_screenWidget->setLockAspectRatio(width, height);
 146	});
 147	connect(m_controller, &GameController::gamePaused, m_display, &Display::pauseDrawing);
 148#ifndef Q_OS_MAC
 149	connect(m_controller, &GameController::gamePaused, menuBar(), &QWidget::show);
 150	connect(m_controller, &GameController::gameUnpaused, [this]() {
 151		if(isFullScreen()) {
 152			menuBar()->hide();
 153		}
 154	});
 155#endif
 156	connect(m_controller, &GameController::gamePaused, &m_inputController, &InputController::resumeScreensaver);
 157	connect(m_controller, &GameController::gameUnpaused, m_display, &Display::unpauseDrawing);
 158	connect(m_controller, &GameController::gameUnpaused, &m_inputController, &InputController::suspendScreensaver);
 159	connect(m_controller, &GameController::postLog, &m_log, &LogController::postLog);
 160	connect(m_controller, &GameController::frameAvailable, this, &Window::recordFrame);
 161	connect(m_controller, &GameController::frameAvailable, m_display, &Display::framePosted);
 162	connect(m_controller, &GameController::gameCrashed, this, &Window::gameCrashed);
 163	connect(m_controller, &GameController::gameFailed, this, &Window::gameFailed);
 164	connect(m_controller, &GameController::unimplementedBiosCall, this, &Window::unimplementedBiosCall);
 165	connect(m_controller, &GameController::statusPosted, m_display, &Display::showMessage);
 166	connect(&m_log, &LogController::levelsSet, m_controller, &GameController::setLogLevel);
 167	connect(&m_log, &LogController::levelsEnabled, m_controller, &GameController::enableLogLevel);
 168	connect(&m_log, &LogController::levelsDisabled, m_controller, &GameController::disableLogLevel);
 169	connect(this, &Window::startDrawing, m_display, &Display::startDrawing, Qt::QueuedConnection);
 170	connect(this, &Window::shutdown, m_display, &Display::stopDrawing);
 171	connect(this, &Window::shutdown, m_controller, &GameController::closeGame);
 172	connect(this, &Window::shutdown, m_logView, &QWidget::hide);
 173	connect(this, &Window::shutdown, m_shaderView, &QWidget::hide);
 174	connect(this, &Window::audioBufferSamplesChanged, m_controller, &GameController::setAudioBufferSamples);
 175	connect(this, &Window::sampleRateChanged, m_controller, &GameController::setAudioSampleRate);
 176	connect(this, &Window::fpsTargetChanged, m_controller, &GameController::setFPSTarget);
 177	connect(&m_fpsTimer, &QTimer::timeout, this, &Window::showFPS);
 178	connect(&m_focusCheck, &QTimer::timeout, this, &Window::focusCheck);
 179	connect(m_display, &Display::hideCursor, [this]() {
 180		if (static_cast<QStackedLayout*>(m_screenWidget->layout())->currentWidget() == m_display) {
 181			m_screenWidget->setCursor(Qt::BlankCursor);
 182		}
 183	});
 184	connect(m_display, &Display::showCursor, [this]() {
 185		m_screenWidget->unsetCursor();
 186	});
 187	connect(&m_inputController, &InputController::profileLoaded, m_shortcutController, &ShortcutController::loadProfile);
 188
 189	m_log.setLevels(mLOG_WARN | mLOG_ERROR | mLOG_FATAL);
 190	m_fpsTimer.setInterval(FPS_TIMER_INTERVAL);
 191	m_focusCheck.setInterval(200);
 192
 193	m_shortcutController->setConfigController(m_config);
 194	setupMenu(menuBar());
 195}
 196
 197Window::~Window() {
 198	delete m_logView;
 199
 200#ifdef USE_FFMPEG
 201	delete m_videoView;
 202#endif
 203
 204#ifdef USE_MAGICK
 205	delete m_gifView;
 206#endif
 207
 208#ifdef USE_SQLITE3
 209	delete m_libraryView;
 210#endif
 211}
 212
 213void Window::argumentsPassed(mArguments* args) {
 214	loadConfig();
 215
 216	if (args->patch) {
 217		m_controller->loadPatch(args->patch);
 218	}
 219
 220	if (args->fname) {
 221		m_controller->loadGame(args->fname);
 222	}
 223
 224#ifdef USE_GDB_STUB
 225	if (args->debuggerType == DEBUGGER_GDB) {
 226		if (!m_gdbController) {
 227			m_gdbController = new GDBController(m_controller, this);
 228			m_gdbController->listen();
 229		}
 230	}
 231#endif
 232}
 233
 234void Window::resizeFrame(const QSize& size) {
 235	QSize newSize(size);
 236#if (QT_VERSION >= QT_VERSION_CHECK(5, 6, 0))
 237	newSize /= m_screenWidget->devicePixelRatioF();
 238#endif
 239	m_screenWidget->setSizeHint(newSize);
 240	newSize -= m_screenWidget->size();
 241	newSize += this->size();
 242	resize(newSize);
 243}
 244
 245void Window::setConfig(ConfigController* config) {
 246	m_config = config;
 247}
 248
 249void Window::loadConfig() {
 250	const mCoreOptions* opts = m_config->options();
 251	reloadConfig();
 252
 253	// TODO: Move these to ConfigController
 254	if (opts->fpsTarget) {
 255		emit fpsTargetChanged(opts->fpsTarget);
 256	}
 257
 258	if (opts->audioBuffers) {
 259		emit audioBufferSamplesChanged(opts->audioBuffers);
 260	}
 261
 262	if (opts->sampleRate) {
 263		emit sampleRateChanged(opts->sampleRate);
 264	}
 265
 266	if (opts->width && opts->height) {
 267		resizeFrame(QSize(opts->width, opts->height));
 268	}
 269
 270	if (opts->fullscreen) {
 271		enterFullScreen();
 272	}
 273
 274	if (opts->shader) {
 275		struct VDir* shader = VDirOpen(opts->shader);
 276		if (shader) {
 277			m_display->setShaders(shader);
 278			m_shaderView->refreshShaders();
 279			shader->close(shader);
 280		}
 281	}
 282
 283	m_mruFiles = m_config->getMRU();
 284	updateMRU();
 285
 286	m_inputController.setConfiguration(m_config);
 287	m_controller->setUseBIOS(opts->useBios);
 288}
 289
 290void Window::reloadConfig() {
 291	const mCoreOptions* opts = m_config->options();
 292
 293	m_log.setLevels(opts->logLevel);
 294
 295	m_controller->setConfig(m_config->config());
 296	m_display->lockAspectRatio(opts->lockAspectRatio);
 297	m_display->filter(opts->resampleVideo);
 298
 299	m_inputController.setScreensaverSuspendable(opts->suspendScreensaver);
 300}
 301
 302void Window::saveConfig() {
 303	m_inputController.saveConfiguration();
 304	m_config->write();
 305}
 306
 307QString Window::getFilters() const {
 308	QStringList filters;
 309	QStringList formats;
 310
 311#ifdef M_CORE_GBA
 312	QStringList gbaFormats{
 313		"*.gba",
 314#if defined(USE_LIBZIP) || defined(USE_ZLIB)
 315		"*.zip",
 316#endif
 317#ifdef USE_LZMA
 318		"*.7z",
 319#endif
 320		"*.agb",
 321		"*.mb",
 322		"*.rom",
 323		"*.bin"};
 324	formats.append(gbaFormats);
 325	filters.append(tr("Game Boy Advance ROMs (%1)").arg(gbaFormats.join(QChar(' '))));
 326#endif
 327
 328#ifdef M_CORE_GB
 329	QStringList gbFormats{
 330		"*.gb",
 331		"*.gbc",
 332#if defined(USE_LIBZIP) || defined(USE_ZLIB)
 333		"*.zip",
 334#endif
 335#ifdef USE_LZMA
 336		"*.7z",
 337#endif
 338		"*.rom",
 339		"*.bin"};
 340	formats.append(gbFormats);
 341	filters.append(tr("Game Boy ROMs (%1)").arg(gbFormats.join(QChar(' '))));
 342#endif
 343
 344	formats.removeDuplicates();
 345	filters.prepend(tr("All ROMs (%1)").arg(formats.join(QChar(' '))));
 346	filters.append(tr("%1 Video Logs (*.mvl)").arg(projectName));
 347	return filters.join(";;");
 348}
 349
 350QString Window::getFiltersArchive() const {
 351	QStringList filters;
 352
 353	QStringList formats{
 354#if defined(USE_LIBZIP) || defined(USE_ZLIB)
 355		"*.zip",
 356#endif
 357#ifdef USE_LZMA
 358		"*.7z",
 359#endif
 360	};
 361	filters.append(tr("Archives (%1)").arg(formats.join(QChar(' '))));
 362	return filters.join(";;");
 363}
 364
 365void Window::selectROM() {
 366	QString filename = GBAApp::app()->getOpenFileName(this, tr("Select ROM"), getFilters());
 367	if (!filename.isEmpty()) {
 368		m_controller->loadGame(filename);
 369	}
 370}
 371
 372#ifdef USE_SQLITE3
 373void Window::selectROMInArchive() {
 374	QString filename = GBAApp::app()->getOpenFileName(this, tr("Select ROM"), getFiltersArchive());
 375	if (filename.isEmpty()) {
 376		return;
 377	}
 378	ArchiveInspector* archiveInspector = new ArchiveInspector(filename);
 379	connect(archiveInspector, &QDialog::accepted, [this,  archiveInspector]() {
 380		VFile* output = archiveInspector->selectedVFile();
 381		QPair<QString, QString> path = archiveInspector->selectedPath();
 382		if (output) {
 383			m_controller->loadGame(output, path.second, path.first);
 384		}
 385		archiveInspector->close();
 386	});
 387	archiveInspector->setAttribute(Qt::WA_DeleteOnClose);
 388	archiveInspector->show();
 389}
 390
 391void Window::addDirToLibrary() {
 392	QString filename = GBAApp::app()->getOpenDirectoryName(this, tr("Select folder"));
 393	if (filename.isEmpty()) {
 394		return;
 395	}
 396	m_libraryView->addDirectory(filename);
 397}
 398#endif
 399
 400void Window::replaceROM() {
 401	QString filename = GBAApp::app()->getOpenFileName(this, tr("Select ROM"), getFilters());
 402	if (!filename.isEmpty()) {
 403		m_controller->replaceGame(filename);
 404	}
 405}
 406
 407void Window::selectSave(bool temporary) {
 408	QStringList formats{"*.sav"};
 409	QString filter = tr("Game Boy Advance save files (%1)").arg(formats.join(QChar(' ')));
 410	QString filename = GBAApp::app()->getOpenFileName(this, tr("Select save"), filter);
 411	if (!filename.isEmpty()) {
 412		m_controller->loadSave(filename, temporary);
 413	}
 414}
 415
 416void Window::multiplayerChanged() {
 417	int attached = 1;
 418	MultiplayerController* multiplayer = m_controller->multiplayerController();
 419	if (multiplayer) {
 420		attached = multiplayer->attached();
 421	}
 422	if (m_controller->isLoaded()) {
 423		for (QAction* action : m_nonMpActions) {
 424			action->setDisabled(attached > 1);
 425		}
 426	}
 427}
 428
 429void Window::selectPatch() {
 430	QString filename = GBAApp::app()->getOpenFileName(this, tr("Select patch"), tr("Patches (*.ips *.ups *.bps)"));
 431	if (!filename.isEmpty()) {
 432		m_controller->loadPatch(filename);
 433	}
 434}
 435
 436void Window::openView(QWidget* widget) {
 437	connect(this, &Window::shutdown, widget, &QWidget::close);
 438	connect(m_controller, &GameController::gameStopped, widget, &QWidget::close);
 439	widget->setAttribute(Qt::WA_DeleteOnClose);
 440	widget->show();
 441}
 442
 443void Window::importSharkport() {
 444	QString filename = GBAApp::app()->getOpenFileName(this, tr("Select save"), tr("GameShark saves (*.sps *.xps)"));
 445	if (!filename.isEmpty()) {
 446		m_controller->importSharkport(filename);
 447	}
 448}
 449
 450void Window::exportSharkport() {
 451	QString filename = GBAApp::app()->getSaveFileName(this, tr("Select save"), tr("GameShark saves (*.sps *.xps)"));
 452	if (!filename.isEmpty()) {
 453		m_controller->exportSharkport(filename);
 454	}
 455}
 456
 457void Window::openSettingsWindow() {
 458	SettingsView* settingsWindow = new SettingsView(m_config, &m_inputController, m_shortcutController);
 459	connect(settingsWindow, &SettingsView::biosLoaded, m_controller, &GameController::loadBIOS);
 460	connect(settingsWindow, &SettingsView::audioDriverChanged, m_controller, &GameController::reloadAudioDriver);
 461	connect(settingsWindow, &SettingsView::displayDriverChanged, this, &Window::mustRestart);
 462	connect(settingsWindow, &SettingsView::pathsChanged, this, &Window::reloadConfig);
 463	openView(settingsWindow);
 464}
 465
 466void Window::openAboutScreen() {
 467	AboutScreen* about = new AboutScreen();
 468	openView(about);
 469}
 470
 471void Window::startVideoLog() {
 472	QString filename = GBAApp::app()->getSaveFileName(this, tr("Select video log"), tr("Video logs (*.mvl)"));
 473	if (!filename.isEmpty()) {
 474		m_controller->startVideoLog(filename);
 475	}
 476}
 477
 478template <typename T, typename A>
 479std::function<void()> Window::openTView(A arg) {
 480	return [=]() {
 481		T* view = new T(m_controller, arg);
 482		openView(view);
 483	};
 484}
 485
 486template <typename T>
 487std::function<void()> Window::openTView() {
 488	return [=]() {
 489		T* view = new T(m_controller);
 490		openView(view);
 491	};
 492}
 493
 494#ifdef USE_FFMPEG
 495void Window::openVideoWindow() {
 496	if (!m_videoView) {
 497		m_videoView = new VideoView();
 498		connect(m_videoView, &VideoView::recordingStarted, m_controller, &GameController::setAVStream);
 499		connect(m_videoView, &VideoView::recordingStopped, m_controller, &GameController::clearAVStream, Qt::DirectConnection);
 500		connect(m_controller, &GameController::gameStopped, m_videoView, &VideoView::stopRecording);
 501		connect(m_controller, &GameController::gameStopped, m_videoView, &QWidget::close);
 502		connect(m_controller, &GameController::gameStarted, [this]() {
 503			m_videoView->setNativeResolution(m_controller->screenDimensions());
 504		});
 505		if (m_controller->isLoaded()) {
 506			m_videoView->setNativeResolution(m_controller->screenDimensions());
 507		}
 508		connect(this, &Window::shutdown, m_videoView, &QWidget::close);
 509	}
 510	m_videoView->show();
 511}
 512#endif
 513
 514#ifdef USE_MAGICK
 515void Window::openGIFWindow() {
 516	if (!m_gifView) {
 517		m_gifView = new GIFView();
 518		connect(m_gifView, &GIFView::recordingStarted, m_controller, &GameController::setAVStream);
 519		connect(m_gifView, &GIFView::recordingStopped, m_controller, &GameController::clearAVStream, Qt::DirectConnection);
 520		connect(m_controller, &GameController::gameStopped, m_gifView, &GIFView::stopRecording);
 521		connect(m_controller, &GameController::gameStopped, m_gifView, &QWidget::close);
 522		connect(this, &Window::shutdown, m_gifView, &QWidget::close);
 523	}
 524	m_gifView->show();
 525}
 526#endif
 527
 528#ifdef USE_GDB_STUB
 529void Window::gdbOpen() {
 530	if (!m_gdbController) {
 531		m_gdbController = new GDBController(m_controller, this);
 532	}
 533	GDBWindow* window = new GDBWindow(m_gdbController);
 534	openView(window);
 535}
 536#endif
 537
 538#ifdef USE_DEBUGGERS
 539void Window::consoleOpen() {
 540	if (!m_console) {
 541		m_console = new DebuggerConsoleController(m_controller, this);
 542	}
 543	DebuggerConsole* window = new DebuggerConsole(m_console);
 544	openView(window);
 545}
 546#endif
 547
 548void Window::keyPressEvent(QKeyEvent* event) {
 549	if (event->isAutoRepeat()) {
 550		QWidget::keyPressEvent(event);
 551		return;
 552	}
 553	GBAKey key = m_inputController.mapKeyboard(event->key());
 554	if (key == GBA_KEY_NONE) {
 555		QWidget::keyPressEvent(event);
 556		return;
 557	}
 558	m_controller->keyPressed(key);
 559	event->accept();
 560}
 561
 562void Window::keyReleaseEvent(QKeyEvent* event) {
 563	if (event->isAutoRepeat()) {
 564		QWidget::keyReleaseEvent(event);
 565		return;
 566	}
 567	GBAKey key = m_inputController.mapKeyboard(event->key());
 568	if (key == GBA_KEY_NONE) {
 569		QWidget::keyPressEvent(event);
 570		return;
 571	}
 572	m_controller->keyReleased(key);
 573	event->accept();
 574}
 575
 576void Window::resizeEvent(QResizeEvent* event) {
 577	if (!isFullScreen()) {
 578		m_config->setOption("height", m_screenWidget->height());
 579		m_config->setOption("width", m_screenWidget->width());
 580	}
 581
 582	int factor = 0;
 583	QSize size(VIDEO_HORIZONTAL_PIXELS, VIDEO_VERTICAL_PIXELS);
 584	if (m_controller->isLoaded()) {
 585		size = m_controller->screenDimensions();
 586	}
 587	if (m_screenWidget->width() % size.width() == 0 && m_screenWidget->height() % size.height() == 0 &&
 588	    m_screenWidget->width() / size.width() == m_screenWidget->height() / size.height()) {
 589		factor = m_screenWidget->width() / size.width();
 590	} else {
 591		m_savedScale = 0;
 592	}
 593	for (QMap<int, QAction*>::iterator iter = m_frameSizes.begin(); iter != m_frameSizes.end(); ++iter) {
 594		bool enableSignals = iter.value()->blockSignals(true);
 595		iter.value()->setChecked(iter.key() == factor);
 596		iter.value()->blockSignals(enableSignals);
 597	}
 598
 599	m_config->setOption("fullscreen", isFullScreen());
 600}
 601
 602void Window::showEvent(QShowEvent* event) {
 603	if (m_wasOpened) {
 604		return;
 605	}
 606	m_wasOpened = true;
 607	resizeFrame(m_screenWidget->sizeHint());
 608	QVariant windowPos = m_config->getQtOption("windowPos");
 609	if (!windowPos.isNull()) {
 610		move(windowPos.toPoint());
 611	} else {
 612		QRect rect = frameGeometry();
 613		rect.moveCenter(QApplication::desktop()->availableGeometry().center());
 614		move(rect.topLeft());
 615	}
 616	if (m_fullscreenOnStart) {
 617		enterFullScreen();
 618		m_fullscreenOnStart = false;
 619	}
 620}
 621
 622void Window::closeEvent(QCloseEvent* event) {
 623	emit shutdown();
 624	m_config->setQtOption("windowPos", pos());
 625
 626	if (m_savedScale > 0) {
 627		m_config->setOption("height", VIDEO_VERTICAL_PIXELS * m_savedScale);
 628		m_config->setOption("width", VIDEO_HORIZONTAL_PIXELS * m_savedScale);
 629	}
 630	saveConfig();
 631	QMainWindow::closeEvent(event);
 632}
 633
 634void Window::focusInEvent(QFocusEvent*) {
 635	m_display->forceDraw();
 636}
 637
 638void Window::focusOutEvent(QFocusEvent*) {
 639	m_controller->setTurbo(false, false);
 640	m_controller->stopRewinding();
 641	m_controller->clearKeys();
 642}
 643
 644void Window::dragEnterEvent(QDragEnterEvent* event) {
 645	if (event->mimeData()->hasFormat("text/uri-list")) {
 646		event->acceptProposedAction();
 647	}
 648}
 649
 650void Window::dropEvent(QDropEvent* event) {
 651	QString uris = event->mimeData()->data("text/uri-list");
 652	uris = uris.trimmed();
 653	if (uris.contains("\n")) {
 654		// Only one file please
 655		return;
 656	}
 657	QUrl url(uris);
 658	if (!url.isLocalFile()) {
 659		// No remote loading
 660		return;
 661	}
 662	event->accept();
 663	m_controller->loadGame(url.toLocalFile());
 664}
 665
 666void Window::mouseDoubleClickEvent(QMouseEvent* event) {
 667	if (event->button() != Qt::LeftButton) {
 668		return;
 669	}
 670	toggleFullScreen();
 671}
 672
 673void Window::enterFullScreen() {
 674	if (!isVisible()) {
 675		m_fullscreenOnStart = true;
 676		return;
 677	}
 678	if (isFullScreen()) {
 679		return;
 680	}
 681	showFullScreen();
 682#ifndef Q_OS_MAC
 683	if (m_controller->isLoaded() && !m_controller->isPaused()) {
 684		menuBar()->hide();
 685	}
 686#endif
 687}
 688
 689void Window::exitFullScreen() {
 690	if (!isFullScreen()) {
 691		return;
 692	}
 693	m_screenWidget->unsetCursor();
 694	menuBar()->show();
 695	showNormal();
 696}
 697
 698void Window::toggleFullScreen() {
 699	if (isFullScreen()) {
 700		exitFullScreen();
 701	} else {
 702		enterFullScreen();
 703	}
 704}
 705
 706void Window::gameStarted(mCoreThread* context, const QString& fname) {
 707	MutexLock(&context->stateMutex);
 708	if (context->state < THREAD_EXITING) {
 709		emit startDrawing(context);
 710	} else {
 711		MutexUnlock(&context->stateMutex);
 712		return;
 713	}
 714	MutexUnlock(&context->stateMutex);
 715	for (QAction* action : m_gameActions) {
 716		action->setDisabled(false);
 717	}
 718#ifdef M_CORE_GBA
 719	for (QAction* action : m_gbaActions) {
 720		action->setDisabled(context->core->platform(context->core) != PLATFORM_GBA);
 721	}
 722#endif
 723	multiplayerChanged();
 724	if (!fname.isEmpty()) {
 725		setWindowFilePath(fname);
 726		appendMRU(fname);
 727	}
 728	updateTitle();
 729	unsigned width, height;
 730	context->core->desiredVideoDimensions(context->core, &width, &height);
 731	m_display->setMinimumSize(width, height);
 732	m_screenWidget->setMinimumSize(m_display->minimumSize());
 733	m_config->updateOption("lockIntegerScaling");
 734	if (m_savedScale > 0) {
 735		resizeFrame(QSize(width, height) * m_savedScale);
 736	}
 737	attachWidget(m_display);
 738
 739#ifndef Q_OS_MAC
 740	if (isFullScreen()) {
 741		menuBar()->hide();
 742	}
 743#endif
 744
 745	m_hitUnimplementedBiosCall = false;
 746	m_fpsTimer.start();
 747	m_focusCheck.start();
 748
 749	m_controller->threadInterrupt();
 750	if (m_controller->isLoaded()) {
 751		mCore* core = m_controller->thread()->core;
 752		const mCoreChannelInfo* videoLayers;
 753		const mCoreChannelInfo* audioChannels;
 754		size_t nVideo = core->listVideoLayers(core, &videoLayers);
 755		size_t nAudio = core->listAudioChannels(core, &audioChannels);
 756
 757		if (nVideo) {
 758			for (size_t i = 0; i < nVideo; ++i) {
 759				QAction* action = new QAction(videoLayers[i].visibleName, m_videoLayers);
 760				action->setCheckable(true);
 761				action->setChecked(true);
 762				connect(action, &QAction::triggered, [this, videoLayers, i](bool enable) {
 763					m_controller->setVideoLayerEnabled(videoLayers[i].id, enable);
 764				});
 765				m_videoLayers->addAction(action);
 766			}
 767		}
 768		if (nAudio) {
 769			for (size_t i = 0; i < nAudio; ++i) {
 770				QAction* action = new QAction(audioChannels[i].visibleName, m_audioChannels);
 771				action->setCheckable(true);
 772				action->setChecked(true);
 773				connect(action, &QAction::triggered, [this, audioChannels, i](bool enable) {
 774					m_controller->setAudioChannelEnabled(audioChannels[i].id, enable);
 775				});
 776				m_audioChannels->addAction(action);
 777			}
 778		}
 779	}
 780	m_controller->threadContinue();
 781}
 782
 783void Window::gameStopped() {
 784#ifdef M_CORE_GBA
 785	for (QAction* action : m_gbaActions) {
 786		action->setDisabled(false);
 787	}
 788#endif
 789	for (QAction* action : m_gameActions) {
 790		action->setDisabled(true);
 791	}
 792	setWindowFilePath(QString());
 793	updateTitle();
 794	detachWidget(m_display);
 795	m_screenWidget->setLockAspectRatio(m_logo.width(), m_logo.height());
 796	m_screenWidget->setLockIntegerScaling(false);
 797	m_screenWidget->setPixmap(m_logo);
 798	m_screenWidget->unsetCursor();
 799#ifdef M_CORE_GB
 800	m_display->setMinimumSize(GB_VIDEO_HORIZONTAL_PIXELS, GB_VIDEO_VERTICAL_PIXELS);
 801#elif defined(M_CORE_GBA)
 802	m_display->setMinimumSize(VIDEO_HORIZONTAL_PIXELS, VIDEO_VERTICAL_PIXELS);
 803#endif
 804	m_screenWidget->setMinimumSize(m_display->minimumSize());
 805
 806	m_videoLayers->clear();
 807	m_audioChannels->clear();
 808
 809	m_fpsTimer.stop();
 810	m_focusCheck.stop();
 811}
 812
 813void Window::gameCrashed(const QString& errorMessage) {
 814	QMessageBox* crash = new QMessageBox(QMessageBox::Critical, tr("Crash"),
 815	                                     tr("The game has crashed with the following error:\n\n%1").arg(errorMessage),
 816	                                     QMessageBox::Ok, this, Qt::Sheet);
 817	crash->setAttribute(Qt::WA_DeleteOnClose);
 818	crash->show();
 819}
 820
 821void Window::gameFailed() {
 822	QMessageBox* fail = new QMessageBox(QMessageBox::Warning, tr("Couldn't Load"),
 823	                                    tr("Could not load game. Are you sure it's in the correct format?"),
 824	                                    QMessageBox::Ok, this, Qt::Sheet);
 825	fail->setAttribute(Qt::WA_DeleteOnClose);
 826	fail->show();
 827}
 828
 829void Window::unimplementedBiosCall(int call) {
 830	if (m_hitUnimplementedBiosCall) {
 831		return;
 832	}
 833	m_hitUnimplementedBiosCall = true;
 834
 835	QMessageBox* fail = new QMessageBox(
 836	    QMessageBox::Warning, tr("Unimplemented BIOS call"),
 837	    tr("This game uses a BIOS call that is not implemented. Please use the official BIOS for best experience."),
 838	    QMessageBox::Ok, this, Qt::Sheet);
 839	fail->setAttribute(Qt::WA_DeleteOnClose);
 840	fail->show();
 841}
 842
 843void Window::tryMakePortable() {
 844	QMessageBox* confirm = new QMessageBox(QMessageBox::Question, tr("Really make portable?"),
 845	                                       tr("This will make the emulator load its configuration from the same directory as the executable. Do you want to continue?"),
 846	                                       QMessageBox::Yes | QMessageBox::Cancel, this, Qt::Sheet);
 847	confirm->setAttribute(Qt::WA_DeleteOnClose);
 848	connect(confirm->button(QMessageBox::Yes), &QAbstractButton::clicked, m_config, &ConfigController::makePortable);
 849	confirm->show();
 850}
 851
 852void Window::mustRestart() {
 853	QMessageBox* dialog = new QMessageBox(QMessageBox::Warning, tr("Restart needed"),
 854	                                      tr("Some changes will not take effect until the emulator is restarted."),
 855	                                      QMessageBox::Ok, this, Qt::Sheet);
 856	dialog->setAttribute(Qt::WA_DeleteOnClose);
 857	dialog->show();
 858}
 859
 860void Window::recordFrame() {
 861	m_frameList.append(QDateTime::currentDateTime());
 862	while (m_frameList.count() > FRAME_LIST_SIZE) {
 863		m_frameList.removeFirst();
 864	}
 865}
 866
 867void Window::showFPS() {
 868	if (m_frameList.isEmpty()) {
 869		updateTitle();
 870		return;
 871	}
 872	qint64 interval = m_frameList.first().msecsTo(m_frameList.last());
 873	float fps = (m_frameList.count() - 1) * 10000.f / interval;
 874	fps = round(fps) / 10.f;
 875	updateTitle(fps);
 876}
 877
 878void Window::updateTitle(float fps) {
 879	QString title;
 880
 881	m_controller->threadInterrupt();
 882	if (m_controller->isLoaded()) {
 883		const NoIntroDB* db = GBAApp::app()->gameDB();
 884		NoIntroGame game{};
 885		uint32_t crc32 = 0;
 886		m_controller->thread()->core->checksum(m_controller->thread()->core, &crc32, CHECKSUM_CRC32);
 887
 888		char gameTitle[17] = { '\0' };
 889		mCore* core = m_controller->thread()->core;
 890		core->getGameTitle(core, gameTitle);
 891		title = gameTitle;
 892
 893#ifdef USE_SQLITE3
 894		if (db && crc32 && NoIntroDBLookupGameByCRC(db, crc32, &game)) {
 895			title = QLatin1String(game.name);
 896		}
 897#endif
 898	}
 899	MultiplayerController* multiplayer = m_controller->multiplayerController();
 900	if (multiplayer && multiplayer->attached() > 1) {
 901		title += tr(" -  Player %1 of %2").arg(multiplayer->playerId(m_controller) + 1).arg(multiplayer->attached());
 902		for (QAction* action : m_nonMpActions) {
 903			action->setDisabled(true);
 904		}
 905	} else if (m_controller->isLoaded()) {
 906		for (QAction* action : m_nonMpActions) {
 907			action->setDisabled(false);
 908		}
 909	}
 910	m_controller->threadContinue();
 911	if (title.isNull()) {
 912		setWindowTitle(tr("%1 - %2").arg(projectName).arg(projectVersion));
 913	} else if (fps < 0) {
 914		setWindowTitle(tr("%1 - %2 - %3").arg(projectName).arg(title).arg(projectVersion));
 915	} else {
 916		setWindowTitle(tr("%1 - %2 (%3 fps) - %4").arg(projectName).arg(title).arg(fps).arg(projectVersion));
 917	}
 918}
 919
 920void Window::openStateWindow(LoadSave ls) {
 921	if (m_stateWindow) {
 922		return;
 923	}
 924	MultiplayerController* multiplayer = m_controller->multiplayerController();
 925	if (multiplayer && multiplayer->attached() > 1) {
 926		return;
 927	}
 928	bool wasPaused = m_controller->isPaused();
 929	m_stateWindow = new LoadSaveState(m_controller);
 930	connect(this, &Window::shutdown, m_stateWindow, &QWidget::close);
 931	connect(m_controller, &GameController::gameStopped, m_stateWindow, &QWidget::close);
 932	connect(m_stateWindow, &LoadSaveState::closed, [this]() {
 933		detachWidget(m_stateWindow);
 934		m_stateWindow = nullptr;
 935		QMetaObject::invokeMethod(this, "setFocus", Qt::QueuedConnection);
 936	});
 937	if (!wasPaused) {
 938		m_controller->setPaused(true);
 939		connect(m_stateWindow, &LoadSaveState::closed, [this]() { m_controller->setPaused(false); });
 940	}
 941	m_stateWindow->setAttribute(Qt::WA_DeleteOnClose);
 942	m_stateWindow->setMode(ls);
 943	attachWidget(m_stateWindow);
 944}
 945
 946void Window::setupMenu(QMenuBar* menubar) {
 947	menubar->clear();
 948	QMenu* fileMenu = menubar->addMenu(tr("&File"));
 949	m_shortcutController->addMenu(fileMenu);
 950	installEventFilter(m_shortcutController);
 951	addControlledAction(fileMenu, fileMenu->addAction(tr("Load &ROM..."), this, SLOT(selectROM()), QKeySequence::Open),
 952	                    "loadROM");
 953#ifdef USE_SQLITE3
 954	addControlledAction(fileMenu, fileMenu->addAction(tr("Load ROM in archive..."), this, SLOT(selectROMInArchive())),
 955	                    "loadROMInArchive");
 956	addControlledAction(fileMenu, fileMenu->addAction(tr("Add folder to library..."), this, SLOT(addDirToLibrary())),
 957	                    "addDirToLibrary");
 958#endif
 959
 960	QAction* loadTemporarySave = new QAction(tr("Load temporary save..."), fileMenu);
 961	connect(loadTemporarySave, &QAction::triggered, [this]() { this->selectSave(true); });
 962	m_gameActions.append(loadTemporarySave);
 963	addControlledAction(fileMenu, loadTemporarySave, "loadTemporarySave");
 964
 965	addControlledAction(fileMenu, fileMenu->addAction(tr("Load &patch..."), this, SLOT(selectPatch())), "loadPatch");
 966
 967	QAction* bootBIOS = new QAction(tr("Boot BIOS"), fileMenu);
 968	connect(bootBIOS, &QAction::triggered, [this]() {
 969		m_controller->loadBIOS(PLATFORM_GBA, m_config->getOption("gba.bios"));
 970		m_controller->bootBIOS();
 971	});
 972	addControlledAction(fileMenu, bootBIOS, "bootBIOS");
 973
 974	addControlledAction(fileMenu, fileMenu->addAction(tr("Replace ROM..."), this, SLOT(replaceROM())), "replaceROM");
 975
 976	QAction* romInfo = new QAction(tr("ROM &info..."), fileMenu);
 977	connect(romInfo, &QAction::triggered, openTView<ROMInfo>());
 978	m_gameActions.append(romInfo);
 979	addControlledAction(fileMenu, romInfo, "romInfo");
 980
 981	m_mruMenu = fileMenu->addMenu(tr("Recent"));
 982
 983	fileMenu->addSeparator();
 984
 985	addControlledAction(fileMenu, fileMenu->addAction(tr("Make portable"), this, SLOT(tryMakePortable())), "makePortable");
 986
 987	fileMenu->addSeparator();
 988
 989	QAction* loadState = new QAction(tr("&Load state"), fileMenu);
 990	loadState->setShortcut(tr("F10"));
 991	connect(loadState, &QAction::triggered, [this]() { this->openStateWindow(LoadSave::LOAD); });
 992	m_gameActions.append(loadState);
 993	m_nonMpActions.append(loadState);
 994	addControlledAction(fileMenu, loadState, "loadState");
 995
 996	QAction* saveState = new QAction(tr("&Save state"), fileMenu);
 997	saveState->setShortcut(tr("Shift+F10"));
 998	connect(saveState, &QAction::triggered, [this]() { this->openStateWindow(LoadSave::SAVE); });
 999	m_gameActions.append(saveState);
1000	m_nonMpActions.append(saveState);
1001	addControlledAction(fileMenu, saveState, "saveState");
1002
1003	QMenu* quickLoadMenu = fileMenu->addMenu(tr("Quick load"));
1004	QMenu* quickSaveMenu = fileMenu->addMenu(tr("Quick save"));
1005	m_shortcutController->addMenu(quickLoadMenu);
1006	m_shortcutController->addMenu(quickSaveMenu);
1007
1008	QAction* quickLoad = new QAction(tr("Load recent"), quickLoadMenu);
1009	connect(quickLoad, &QAction::triggered, m_controller, &GameController::loadState);
1010	m_gameActions.append(quickLoad);
1011	m_nonMpActions.append(quickLoad);
1012	addControlledAction(quickLoadMenu, quickLoad, "quickLoad");
1013
1014	QAction* quickSave = new QAction(tr("Save recent"), quickSaveMenu);
1015	connect(quickSave, &QAction::triggered, m_controller, &GameController::saveState);
1016	m_gameActions.append(quickSave);
1017	m_nonMpActions.append(quickSave);
1018	addControlledAction(quickSaveMenu, quickSave, "quickSave");
1019
1020	quickLoadMenu->addSeparator();
1021	quickSaveMenu->addSeparator();
1022
1023	QAction* undoLoadState = new QAction(tr("Undo load state"), quickLoadMenu);
1024	undoLoadState->setShortcut(tr("F11"));
1025	connect(undoLoadState, &QAction::triggered, m_controller, &GameController::loadBackupState);
1026	m_gameActions.append(undoLoadState);
1027	m_nonMpActions.append(undoLoadState);
1028	addControlledAction(quickLoadMenu, undoLoadState, "undoLoadState");
1029
1030	QAction* undoSaveState = new QAction(tr("Undo save state"), quickSaveMenu);
1031	undoSaveState->setShortcut(tr("Shift+F11"));
1032	connect(undoSaveState, &QAction::triggered, m_controller, &GameController::saveBackupState);
1033	m_gameActions.append(undoSaveState);
1034	m_nonMpActions.append(undoSaveState);
1035	addControlledAction(quickSaveMenu, undoSaveState, "undoSaveState");
1036
1037	quickLoadMenu->addSeparator();
1038	quickSaveMenu->addSeparator();
1039
1040	int i;
1041	for (i = 1; i < 10; ++i) {
1042		quickLoad = new QAction(tr("State &%1").arg(i), quickLoadMenu);
1043		quickLoad->setShortcut(tr("F%1").arg(i));
1044		connect(quickLoad, &QAction::triggered, [this, i]() { m_controller->loadState(i); });
1045		m_gameActions.append(quickLoad);
1046		m_nonMpActions.append(quickLoad);
1047		addControlledAction(quickLoadMenu, quickLoad, QString("quickLoad.%1").arg(i));
1048
1049		quickSave = new QAction(tr("State &%1").arg(i), quickSaveMenu);
1050		quickSave->setShortcut(tr("Shift+F%1").arg(i));
1051		connect(quickSave, &QAction::triggered, [this, i]() { m_controller->saveState(i); });
1052		m_gameActions.append(quickSave);
1053		m_nonMpActions.append(quickSave);
1054		addControlledAction(quickSaveMenu, quickSave, QString("quickSave.%1").arg(i));
1055	}
1056
1057#ifdef M_CORE_GBA
1058	fileMenu->addSeparator();
1059	QAction* importShark = new QAction(tr("Import GameShark Save"), fileMenu);
1060	connect(importShark, &QAction::triggered, this, &Window::importSharkport);
1061	m_gameActions.append(importShark);
1062	m_gbaActions.append(importShark);
1063	addControlledAction(fileMenu, importShark, "importShark");
1064
1065	QAction* exportShark = new QAction(tr("Export GameShark Save"), fileMenu);
1066	connect(exportShark, &QAction::triggered, this, &Window::exportSharkport);
1067	m_gameActions.append(exportShark);
1068	m_gbaActions.append(exportShark);
1069	addControlledAction(fileMenu, exportShark, "exportShark");
1070#endif
1071
1072	fileMenu->addSeparator();
1073	m_multiWindow = new QAction(tr("New multiplayer window"), fileMenu);
1074	connect(m_multiWindow, &QAction::triggered, [this]() {
1075		GBAApp::app()->newWindow();
1076	});
1077	addControlledAction(fileMenu, m_multiWindow, "multiWindow");
1078
1079#ifndef Q_OS_MAC
1080	fileMenu->addSeparator();
1081#endif
1082
1083	QAction* about = new QAction(tr("About"), fileMenu);
1084	connect(about, &QAction::triggered, this, &Window::openAboutScreen);
1085	fileMenu->addAction(about);
1086
1087#ifndef Q_OS_MAC
1088	addControlledAction(fileMenu, fileMenu->addAction(tr("E&xit"), this, SLOT(close()), QKeySequence::Quit), "quit");
1089#endif
1090
1091	QMenu* emulationMenu = menubar->addMenu(tr("&Emulation"));
1092	m_shortcutController->addMenu(emulationMenu);
1093	QAction* reset = new QAction(tr("&Reset"), emulationMenu);
1094	reset->setShortcut(tr("Ctrl+R"));
1095	connect(reset, &QAction::triggered, m_controller, &GameController::reset);
1096	m_gameActions.append(reset);
1097	addControlledAction(emulationMenu, reset, "reset");
1098
1099	QAction* shutdown = new QAction(tr("Sh&utdown"), emulationMenu);
1100	connect(shutdown, &QAction::triggered, m_controller, &GameController::closeGame);
1101	m_gameActions.append(shutdown);
1102	addControlledAction(emulationMenu, shutdown, "shutdown");
1103
1104#ifdef M_CORE_GBA
1105	QAction* yank = new QAction(tr("Yank game pak"), emulationMenu);
1106	connect(yank, &QAction::triggered, m_controller, &GameController::yankPak);
1107	m_gameActions.append(yank);
1108	m_gbaActions.append(yank);
1109	addControlledAction(emulationMenu, yank, "yank");
1110#endif
1111	emulationMenu->addSeparator();
1112
1113	QAction* pause = new QAction(tr("&Pause"), emulationMenu);
1114	pause->setChecked(false);
1115	pause->setCheckable(true);
1116	pause->setShortcut(tr("Ctrl+P"));
1117	connect(pause, &QAction::triggered, m_controller, &GameController::setPaused);
1118	connect(m_controller, &GameController::gamePaused, [this, pause]() {
1119		pause->setChecked(true);
1120	});
1121	connect(m_controller, &GameController::gameUnpaused, [pause]() { pause->setChecked(false); });
1122	m_gameActions.append(pause);
1123	addControlledAction(emulationMenu, pause, "pause");
1124
1125	QAction* frameAdvance = new QAction(tr("&Next frame"), emulationMenu);
1126	frameAdvance->setShortcut(tr("Ctrl+N"));
1127	connect(frameAdvance, &QAction::triggered, m_controller, &GameController::frameAdvance);
1128	m_gameActions.append(frameAdvance);
1129	addControlledAction(emulationMenu, frameAdvance, "frameAdvance");
1130
1131	emulationMenu->addSeparator();
1132
1133	m_shortcutController->addFunctions(emulationMenu, [this]() {
1134		m_controller->setTurbo(true, false);
1135	}, [this]() {
1136		m_controller->setTurbo(false, false);
1137	}, QKeySequence(Qt::Key_Tab), tr("Fast forward (held)"), "holdFastForward");
1138
1139	QAction* turbo = new QAction(tr("&Fast forward"), emulationMenu);
1140	turbo->setCheckable(true);
1141	turbo->setChecked(false);
1142	turbo->setShortcut(tr("Shift+Tab"));
1143	connect(turbo, SIGNAL(triggered(bool)), m_controller, SLOT(setTurbo(bool)));
1144	addControlledAction(emulationMenu, turbo, "fastForward");
1145
1146	QMenu* ffspeedMenu = emulationMenu->addMenu(tr("Fast forward speed"));
1147	ConfigOption* ffspeed = m_config->addOption("fastForwardRatio");
1148	ffspeed->connect([this](const QVariant& value) {
1149		m_controller->setTurboSpeed(value.toFloat());
1150	}, this);
1151	ffspeed->addValue(tr("Unbounded"), -1.0f, ffspeedMenu);
1152	ffspeed->setValue(QVariant(-1.0f));
1153	ffspeedMenu->addSeparator();
1154	for (i = 2; i < 11; ++i) {
1155		ffspeed->addValue(tr("%0x").arg(i), i, ffspeedMenu);
1156	}
1157	m_config->updateOption("fastForwardRatio");
1158
1159	m_shortcutController->addFunctions(emulationMenu, [this]() {
1160		m_controller->startRewinding();
1161	}, [this]() {
1162		m_controller->stopRewinding();
1163	}, QKeySequence("`"), tr("Rewind (held)"), "holdRewind");
1164
1165	QAction* rewind = new QAction(tr("Re&wind"), emulationMenu);
1166	rewind->setShortcut(tr("~"));
1167	connect(rewind, &QAction::triggered, m_controller, &GameController::rewind);
1168	m_gameActions.append(rewind);
1169	m_nonMpActions.append(rewind);
1170	addControlledAction(emulationMenu, rewind, "rewind");
1171
1172	QAction* frameRewind = new QAction(tr("Step backwards"), emulationMenu);
1173	frameRewind->setShortcut(tr("Ctrl+B"));
1174	connect(frameRewind, &QAction::triggered, [this] () {
1175		m_controller->rewind(1);
1176	});
1177	m_gameActions.append(frameRewind);
1178	m_nonMpActions.append(frameRewind);
1179	addControlledAction(emulationMenu, frameRewind, "frameRewind");
1180
1181	ConfigOption* videoSync = m_config->addOption("videoSync");
1182	videoSync->addBoolean(tr("Sync to &video"), emulationMenu);
1183	videoSync->connect([this](const QVariant& value) {
1184		m_controller->setVideoSync(value.toBool());
1185	}, this);
1186	m_config->updateOption("videoSync");
1187
1188	ConfigOption* audioSync = m_config->addOption("audioSync");
1189	audioSync->addBoolean(tr("Sync to &audio"), emulationMenu);
1190	audioSync->connect([this](const QVariant& value) {
1191		m_controller->setAudioSync(value.toBool());
1192	}, this);
1193	m_config->updateOption("audioSync");
1194
1195	emulationMenu->addSeparator();
1196
1197	QMenu* solarMenu = emulationMenu->addMenu(tr("Solar sensor"));
1198	m_shortcutController->addMenu(solarMenu);
1199	QAction* solarIncrease = new QAction(tr("Increase solar level"), solarMenu);
1200	connect(solarIncrease, &QAction::triggered, m_controller, &GameController::increaseLuminanceLevel);
1201	addControlledAction(solarMenu, solarIncrease, "increaseLuminanceLevel");
1202
1203	QAction* solarDecrease = new QAction(tr("Decrease solar level"), solarMenu);
1204	connect(solarDecrease, &QAction::triggered, m_controller, &GameController::decreaseLuminanceLevel);
1205	addControlledAction(solarMenu, solarDecrease, "decreaseLuminanceLevel");
1206
1207	QAction* maxSolar = new QAction(tr("Brightest solar level"), solarMenu);
1208	connect(maxSolar, &QAction::triggered, [this]() { m_controller->setLuminanceLevel(10); });
1209	addControlledAction(solarMenu, maxSolar, "maxLuminanceLevel");
1210
1211	QAction* minSolar = new QAction(tr("Darkest solar level"), solarMenu);
1212	connect(minSolar, &QAction::triggered, [this]() { m_controller->setLuminanceLevel(0); });
1213	addControlledAction(solarMenu, minSolar, "minLuminanceLevel");
1214
1215	solarMenu->addSeparator();
1216	for (int i = 0; i <= 10; ++i) {
1217		QAction* setSolar = new QAction(tr("Brightness %1").arg(QString::number(i)), solarMenu);
1218		connect(setSolar, &QAction::triggered, [this, i]() {
1219			m_controller->setLuminanceLevel(i);
1220		});
1221		addControlledAction(solarMenu, setSolar, QString("luminanceLevel.%1").arg(QString::number(i)));
1222	}
1223
1224	QMenu* avMenu = menubar->addMenu(tr("Audio/&Video"));
1225	m_shortcutController->addMenu(avMenu);
1226	QMenu* frameMenu = avMenu->addMenu(tr("Frame size"));
1227	m_shortcutController->addMenu(frameMenu, avMenu);
1228	for (int i = 1; i <= 6; ++i) {
1229		QAction* setSize = new QAction(tr("%1x").arg(QString::number(i)), avMenu);
1230		setSize->setCheckable(true);
1231		if (m_savedScale == i) {
1232			setSize->setChecked(true);
1233		}
1234		connect(setSize, &QAction::triggered, [this, i, setSize]() {
1235			showNormal();
1236			QSize size(VIDEO_HORIZONTAL_PIXELS, VIDEO_VERTICAL_PIXELS);
1237			if (m_controller->isLoaded()) {
1238				size = m_controller->screenDimensions();
1239			}
1240			size *= i;
1241			m_savedScale = i;
1242			m_config->setOption("scaleMultiplier", i); // TODO: Port to other
1243			resizeFrame(size);
1244			bool enableSignals = setSize->blockSignals(true);
1245			setSize->setChecked(true);
1246			setSize->blockSignals(enableSignals);
1247		});
1248		m_frameSizes[i] = setSize;
1249		addControlledAction(frameMenu, setSize, QString("frame%1x").arg(QString::number(i)));
1250	}
1251	QKeySequence fullscreenKeys;
1252#ifdef Q_OS_WIN
1253	fullscreenKeys = QKeySequence("Alt+Return");
1254#else
1255	fullscreenKeys = QKeySequence("Ctrl+F");
1256#endif
1257	addControlledAction(frameMenu, frameMenu->addAction(tr("Toggle fullscreen"), this, SLOT(toggleFullScreen()), fullscreenKeys), "fullscreen");
1258
1259	ConfigOption* lockAspectRatio = m_config->addOption("lockAspectRatio");
1260	lockAspectRatio->addBoolean(tr("Lock aspect ratio"), avMenu);
1261	lockAspectRatio->connect([this](const QVariant& value) {
1262		m_display->lockAspectRatio(value.toBool());
1263	}, this);
1264	m_config->updateOption("lockAspectRatio");
1265
1266	ConfigOption* lockIntegerScaling = m_config->addOption("lockIntegerScaling");
1267	lockIntegerScaling->addBoolean(tr("Force integer scaling"), avMenu);
1268	lockIntegerScaling->connect([this](const QVariant& value) {
1269		m_display->lockIntegerScaling(value.toBool());
1270		if (m_controller->isLoaded()) {
1271			m_screenWidget->setLockIntegerScaling(value.toBool());
1272		}
1273	}, this);
1274	m_config->updateOption("lockIntegerScaling");
1275
1276	ConfigOption* resampleVideo = m_config->addOption("resampleVideo");
1277	resampleVideo->addBoolean(tr("Bilinear filtering"), avMenu);
1278	resampleVideo->connect([this](const QVariant& value) {
1279		m_display->filter(value.toBool());
1280	}, this);
1281	m_config->updateOption("resampleVideo");
1282
1283	QMenu* skipMenu = avMenu->addMenu(tr("Frame&skip"));
1284	ConfigOption* skip = m_config->addOption("frameskip");
1285	skip->connect([this](const QVariant& value) {
1286		reloadConfig();
1287	}, this);
1288	for (int i = 0; i <= 10; ++i) {
1289		skip->addValue(QString::number(i), i, skipMenu);
1290	}
1291	m_config->updateOption("frameskip");
1292
1293	QAction* shaderView = new QAction(tr("Shader options..."), avMenu);
1294	connect(shaderView, &QAction::triggered, m_shaderView, &QWidget::show);
1295	if (!m_display->supportsShaders()) {
1296		shaderView->setEnabled(false);
1297	}
1298	addControlledAction(avMenu, shaderView, "shaderSelector");
1299
1300	avMenu->addSeparator();
1301
1302	ConfigOption* mute = m_config->addOption("mute");
1303	QAction* muteAction = mute->addBoolean(tr("Mute"), avMenu);
1304	mute->connect([this](const QVariant& value) {
1305		reloadConfig();
1306	}, this);
1307	m_config->updateOption("mute");
1308	addControlledAction(avMenu, muteAction, "mute");
1309
1310	QMenu* target = avMenu->addMenu(tr("FPS target"));
1311	ConfigOption* fpsTargetOption = m_config->addOption("fpsTarget");
1312	fpsTargetOption->connect([this](const QVariant& value) {
1313		emit fpsTargetChanged(value.toFloat());
1314	}, this);
1315	fpsTargetOption->addValue(tr("15"), 15, target);
1316	fpsTargetOption->addValue(tr("30"), 30, target);
1317	fpsTargetOption->addValue(tr("45"), 45, target);
1318	fpsTargetOption->addValue(tr("Native (59.7)"), float(GBA_ARM7TDMI_FREQUENCY) / float(VIDEO_TOTAL_LENGTH), target);
1319	fpsTargetOption->addValue(tr("60"), 60, target);
1320	fpsTargetOption->addValue(tr("90"), 90, target);
1321	fpsTargetOption->addValue(tr("120"), 120, target);
1322	fpsTargetOption->addValue(tr("240"), 240, target);
1323	m_config->updateOption("fpsTarget");
1324
1325#if defined(USE_PNG) || defined(USE_FFMPEG) || defined(USE_MAGICK)
1326	avMenu->addSeparator();
1327#endif
1328
1329#ifdef USE_PNG
1330	QAction* screenshot = new QAction(tr("Take &screenshot"), avMenu);
1331	screenshot->setShortcut(tr("F12"));
1332	connect(screenshot, &QAction::triggered, m_controller, &GameController::screenshot);
1333	m_gameActions.append(screenshot);
1334	addControlledAction(avMenu, screenshot, "screenshot");
1335#endif
1336
1337#ifdef USE_FFMPEG
1338	QAction* recordOutput = new QAction(tr("Record output..."), avMenu);
1339	connect(recordOutput, &QAction::triggered, this, &Window::openVideoWindow);
1340	addControlledAction(avMenu, recordOutput, "recordOutput");
1341	m_gameActions.append(recordOutput);
1342#endif
1343
1344#ifdef USE_MAGICK
1345	QAction* recordGIF = new QAction(tr("Record GIF..."), avMenu);
1346	connect(recordGIF, &QAction::triggered, this, &Window::openGIFWindow);
1347	addControlledAction(avMenu, recordGIF, "recordGIF");
1348#endif
1349
1350	QAction* recordVL = new QAction(tr("Record video log..."), avMenu);
1351	connect(recordVL, &QAction::triggered, this, &Window::startVideoLog);
1352	addControlledAction(avMenu, recordVL, "recordVL");
1353	m_gameActions.append(recordVL);
1354
1355	QAction* stopVL = new QAction(tr("Stop video log"), avMenu);
1356	connect(stopVL, &QAction::triggered, m_controller, &GameController::endVideoLog);
1357	addControlledAction(avMenu, stopVL, "stopVL");
1358	m_gameActions.append(stopVL);
1359
1360	avMenu->addSeparator();
1361	m_videoLayers = avMenu->addMenu(tr("Video layers"));
1362	m_shortcutController->addMenu(m_videoLayers, avMenu);
1363
1364	m_audioChannels = avMenu->addMenu(tr("Audio channels"));
1365	m_shortcutController->addMenu(m_audioChannels, avMenu);
1366
1367	QMenu* toolsMenu = menubar->addMenu(tr("&Tools"));
1368	m_shortcutController->addMenu(toolsMenu);
1369	QAction* viewLogs = new QAction(tr("View &logs..."), toolsMenu);
1370	connect(viewLogs, &QAction::triggered, m_logView, &QWidget::show);
1371	addControlledAction(toolsMenu, viewLogs, "viewLogs");
1372
1373	QAction* overrides = new QAction(tr("Game &overrides..."), toolsMenu);
1374	connect(overrides, &QAction::triggered, openTView<OverrideView, ConfigController*>(m_config));
1375	addControlledAction(toolsMenu, overrides, "overrideWindow");
1376
1377	QAction* sensors = new QAction(tr("Game &Pak sensors..."), toolsMenu);
1378	connect(sensors, &QAction::triggered, openTView<SensorView, InputController*>(&m_inputController));
1379	addControlledAction(toolsMenu, sensors, "sensorWindow");
1380
1381	QAction* cheats = new QAction(tr("&Cheats..."), toolsMenu);
1382	connect(cheats, &QAction::triggered, openTView<CheatsView>());
1383	m_gameActions.append(cheats);
1384	addControlledAction(toolsMenu, cheats, "cheatsWindow");
1385
1386	toolsMenu->addSeparator();
1387	addControlledAction(toolsMenu, toolsMenu->addAction(tr("Settings..."), this, SLOT(openSettingsWindow())),
1388	                    "settings");
1389
1390	toolsMenu->addSeparator();
1391
1392#ifdef USE_DEBUGGERS
1393	QAction* consoleWindow = new QAction(tr("Open debugger console..."), toolsMenu);
1394	connect(consoleWindow, &QAction::triggered, this, &Window::consoleOpen);
1395	addControlledAction(toolsMenu, consoleWindow, "debuggerWindow");
1396#endif
1397
1398#ifdef USE_GDB_STUB
1399	QAction* gdbWindow = new QAction(tr("Start &GDB server..."), toolsMenu);
1400	connect(gdbWindow, &QAction::triggered, this, &Window::gdbOpen);
1401	m_gbaActions.append(gdbWindow);
1402	addControlledAction(toolsMenu, gdbWindow, "gdbWindow");
1403#endif
1404	toolsMenu->addSeparator();
1405
1406	QAction* paletteView = new QAction(tr("View &palette..."), toolsMenu);
1407	connect(paletteView, &QAction::triggered, openTView<PaletteView>());
1408	m_gameActions.append(paletteView);
1409	addControlledAction(toolsMenu, paletteView, "paletteWindow");
1410
1411	QAction* objView = new QAction(tr("View &sprites..."), toolsMenu);
1412	connect(objView, &QAction::triggered, openTView<ObjView>());
1413	m_gameActions.append(objView);
1414	addControlledAction(toolsMenu, objView, "spriteWindow");
1415
1416	QAction* tileView = new QAction(tr("View &tiles..."), toolsMenu);
1417	connect(tileView, &QAction::triggered, openTView<TileView>());
1418	m_gameActions.append(tileView);
1419	addControlledAction(toolsMenu, tileView, "tileWindow");
1420
1421	QAction* memoryView = new QAction(tr("View memory..."), toolsMenu);
1422	connect(memoryView, &QAction::triggered, openTView<MemoryView>());
1423	m_gameActions.append(memoryView);
1424	addControlledAction(toolsMenu, memoryView, "memoryView");
1425
1426	QAction* memorySearch = new QAction(tr("Search memory..."), toolsMenu);
1427	connect(memorySearch, &QAction::triggered, openTView<MemorySearch>());
1428	m_gameActions.append(memorySearch);
1429	addControlledAction(toolsMenu, memorySearch, "memorySearch");
1430
1431#ifdef M_CORE_GBA
1432	QAction* ioViewer = new QAction(tr("View &I/O registers..."), toolsMenu);
1433	connect(ioViewer, &QAction::triggered, openTView<IOViewer>());
1434	m_gameActions.append(ioViewer);
1435	m_gbaActions.append(ioViewer);
1436	addControlledAction(toolsMenu, ioViewer, "ioViewer");
1437#endif
1438
1439	ConfigOption* skipBios = m_config->addOption("skipBios");
1440	skipBios->connect([this](const QVariant& value) {
1441		reloadConfig();
1442	}, this);
1443
1444	ConfigOption* useBios = m_config->addOption("useBios");
1445	useBios->connect([this](const QVariant& value) {
1446		m_controller->setUseBIOS(value.toBool());
1447	}, this);
1448
1449	ConfigOption* buffers = m_config->addOption("audioBuffers");
1450	buffers->connect([this](const QVariant& value) {
1451		emit audioBufferSamplesChanged(value.toInt());
1452	}, this);
1453
1454	ConfigOption* sampleRate = m_config->addOption("sampleRate");
1455	sampleRate->connect([this](const QVariant& value) {
1456		emit sampleRateChanged(value.toUInt());
1457	}, this);
1458
1459	ConfigOption* volume = m_config->addOption("volume");
1460	volume->connect([this](const QVariant& value) {
1461		reloadConfig();
1462	}, this);
1463
1464	ConfigOption* rewindEnable = m_config->addOption("rewindEnable");
1465	rewindEnable->connect([this](const QVariant& value) {
1466		m_controller->setRewind(value.toBool(), m_config->getOption("rewindBufferCapacity").toInt(), m_config->getOption("rewindSave").toInt());
1467	}, this);
1468
1469	ConfigOption* rewindBufferCapacity = m_config->addOption("rewindBufferCapacity");
1470	rewindBufferCapacity->connect([this](const QVariant& value) {
1471		m_controller->setRewind(m_config->getOption("rewindEnable").toInt(), value.toInt(), m_config->getOption("rewindSave").toInt());
1472	}, this);
1473
1474	ConfigOption* rewindSave = m_config->addOption("rewindSave");
1475	rewindBufferCapacity->connect([this](const QVariant& value) {
1476		m_controller->setRewind(m_config->getOption("rewindEnable").toInt(), m_config->getOption("rewindBufferCapacity").toInt(), value.toBool());
1477	}, this);
1478
1479	ConfigOption* allowOpposingDirections = m_config->addOption("allowOpposingDirections");
1480	allowOpposingDirections->connect([this](const QVariant& value) {
1481		m_inputController.setAllowOpposing(value.toBool());
1482	}, this);
1483
1484	ConfigOption* saveStateExtdata = m_config->addOption("saveStateExtdata");
1485	saveStateExtdata->connect([this](const QVariant& value) {
1486		m_controller->setSaveStateExtdata(value.toInt());
1487	}, this);
1488	m_config->updateOption("saveStateExtdata");
1489
1490	ConfigOption* loadStateExtdata = m_config->addOption("loadStateExtdata");
1491	loadStateExtdata->connect([this](const QVariant& value) {
1492		m_controller->setLoadStateExtdata(value.toInt());
1493	}, this);
1494	m_config->updateOption("loadStateExtdata");
1495
1496	ConfigOption* preload = m_config->addOption("preload");
1497	preload->connect([this](const QVariant& value) {
1498		m_controller->setPreload(value.toBool());
1499	}, this);
1500	m_config->updateOption("preload");
1501
1502	QAction* exitFullScreen = new QAction(tr("Exit fullscreen"), frameMenu);
1503	connect(exitFullScreen, &QAction::triggered, this, &Window::exitFullScreen);
1504	exitFullScreen->setShortcut(QKeySequence("Esc"));
1505	addHiddenAction(frameMenu, exitFullScreen, "exitFullScreen");
1506
1507	QMenu* autofireMenu = new QMenu(tr("Autofire"), this);
1508	m_shortcutController->addMenu(autofireMenu);
1509
1510	m_shortcutController->addFunctions(autofireMenu, [this]() {
1511		m_controller->setAutofire(GBA_KEY_A, true);
1512	}, [this]() {
1513		m_controller->setAutofire(GBA_KEY_A, false);
1514	}, QKeySequence(), tr("Autofire A"), "autofireA");
1515
1516	m_shortcutController->addFunctions(autofireMenu, [this]() {
1517		m_controller->setAutofire(GBA_KEY_B, true);
1518	}, [this]() {
1519		m_controller->setAutofire(GBA_KEY_B, false);
1520	}, QKeySequence(), tr("Autofire B"), "autofireB");
1521
1522	m_shortcutController->addFunctions(autofireMenu, [this]() {
1523		m_controller->setAutofire(GBA_KEY_L, true);
1524	}, [this]() {
1525		m_controller->setAutofire(GBA_KEY_L, false);
1526	}, QKeySequence(), tr("Autofire L"), "autofireL");
1527
1528	m_shortcutController->addFunctions(autofireMenu, [this]() {
1529		m_controller->setAutofire(GBA_KEY_R, true);
1530	}, [this]() {
1531		m_controller->setAutofire(GBA_KEY_R, false);
1532	}, QKeySequence(), tr("Autofire R"), "autofireR");
1533
1534	m_shortcutController->addFunctions(autofireMenu, [this]() {
1535		m_controller->setAutofire(GBA_KEY_START, true);
1536	}, [this]() {
1537		m_controller->setAutofire(GBA_KEY_START, false);
1538	}, QKeySequence(), tr("Autofire Start"), "autofireStart");
1539
1540	m_shortcutController->addFunctions(autofireMenu, [this]() {
1541		m_controller->setAutofire(GBA_KEY_SELECT, true);
1542	}, [this]() {
1543		m_controller->setAutofire(GBA_KEY_SELECT, false);
1544	}, QKeySequence(), tr("Autofire Select"), "autofireSelect");
1545
1546	m_shortcutController->addFunctions(autofireMenu, [this]() {
1547		m_controller->setAutofire(GBA_KEY_UP, true);
1548	}, [this]() {
1549		m_controller->setAutofire(GBA_KEY_UP, false);
1550	}, QKeySequence(), tr("Autofire Up"), "autofireUp");
1551
1552	m_shortcutController->addFunctions(autofireMenu, [this]() {
1553		m_controller->setAutofire(GBA_KEY_RIGHT, true);
1554	}, [this]() {
1555		m_controller->setAutofire(GBA_KEY_RIGHT, false);
1556	}, QKeySequence(), tr("Autofire Right"), "autofireRight");
1557
1558	m_shortcutController->addFunctions(autofireMenu, [this]() {
1559		m_controller->setAutofire(GBA_KEY_DOWN, true);
1560	}, [this]() {
1561		m_controller->setAutofire(GBA_KEY_DOWN, false);
1562	}, QKeySequence(), tr("Autofire Down"), "autofireDown");
1563
1564	m_shortcutController->addFunctions(autofireMenu, [this]() {
1565		m_controller->setAutofire(GBA_KEY_LEFT, true);
1566	}, [this]() {
1567		m_controller->setAutofire(GBA_KEY_LEFT, false);
1568	}, QKeySequence(), tr("Autofire Left"), "autofireLeft");
1569
1570	for (QAction* action : m_gameActions) {
1571		action->setDisabled(true);
1572	}
1573}
1574
1575void Window::attachWidget(QWidget* widget) {
1576	m_screenWidget->layout()->addWidget(widget);
1577	m_screenWidget->unsetCursor();
1578	static_cast<QStackedLayout*>(m_screenWidget->layout())->setCurrentWidget(widget);
1579}
1580
1581void Window::detachWidget(QWidget* widget) {
1582	m_screenWidget->layout()->removeWidget(widget);
1583}
1584
1585void Window::appendMRU(const QString& fname) {
1586	int index = m_mruFiles.indexOf(fname);
1587	if (index >= 0) {
1588		m_mruFiles.removeAt(index);
1589	}
1590	m_mruFiles.prepend(fname);
1591	while (m_mruFiles.size() > ConfigController::MRU_LIST_SIZE) {
1592		m_mruFiles.removeLast();
1593	}
1594	updateMRU();
1595}
1596
1597void Window::updateMRU() {
1598	if (!m_mruMenu) {
1599		return;
1600	}
1601	for (QAction* action : m_mruMenu->actions()) {
1602		delete action;
1603	}
1604	m_mruMenu->clear();
1605	int i = 0;
1606	for (const QString& file : m_mruFiles) {
1607		QAction* item = new QAction(QDir::toNativeSeparators(file).replace("&", "&&"), m_mruMenu);
1608		item->setShortcut(QString("Ctrl+%1").arg(i));
1609		connect(item, &QAction::triggered, [this, file]() { m_controller->loadGame(file); });
1610		m_mruMenu->addAction(item);
1611		++i;
1612	}
1613	m_config->setMRU(m_mruFiles);
1614	m_config->write();
1615	m_mruMenu->setEnabled(i > 0);
1616}
1617
1618QAction* Window::addControlledAction(QMenu* menu, QAction* action, const QString& name) {
1619	addHiddenAction(menu, action, name);
1620	menu->addAction(action);
1621	return action;
1622}
1623
1624QAction* Window::addHiddenAction(QMenu* menu, QAction* action, const QString& name) {
1625	m_shortcutController->addAction(menu, action, name);
1626	action->setShortcutContext(Qt::WidgetShortcut);
1627	addAction(action);
1628	return action;
1629}
1630
1631void Window::focusCheck() {
1632	if (!m_config->getOption("pauseOnFocusLost").toInt()) {
1633		return;
1634	}
1635	if (QGuiApplication::focusWindow() && m_autoresume) {
1636		m_controller->setPaused(false);
1637		m_autoresume = false;
1638	} else if (!QGuiApplication::focusWindow() && !m_controller->isPaused()) {
1639		m_autoresume = true;
1640		m_controller->setPaused(true);
1641	}
1642}
1643
1644WindowBackground::WindowBackground(QWidget* parent)
1645	: QLabel(parent)
1646{
1647	setLayout(new QStackedLayout());
1648	layout()->setContentsMargins(0, 0, 0, 0);
1649	setAlignment(Qt::AlignCenter);
1650}
1651
1652void WindowBackground::setSizeHint(const QSize& hint) {
1653	m_sizeHint = hint;
1654}
1655
1656QSize WindowBackground::sizeHint() const {
1657	return m_sizeHint;
1658}
1659
1660void WindowBackground::setLockAspectRatio(int width, int height) {
1661	m_aspectWidth = width;
1662	m_aspectHeight = height;
1663}
1664
1665void WindowBackground::setLockIntegerScaling(bool lock) {
1666	m_lockIntegerScaling = lock;
1667}
1668
1669void WindowBackground::paintEvent(QPaintEvent*) {
1670	const QPixmap* logo = pixmap();
1671	if (!logo) {
1672		return;
1673	}
1674	QPainter painter(this);
1675	painter.setRenderHint(QPainter::SmoothPixmapTransform);
1676	painter.fillRect(QRect(QPoint(), size()), Qt::black);
1677	QSize s = size();
1678	QSize ds = s;
1679	if (ds.width() * m_aspectHeight > ds.height() * m_aspectWidth) {
1680		ds.setWidth(ds.height() * m_aspectWidth / m_aspectHeight);
1681	} else if (ds.width() * m_aspectHeight < ds.height() * m_aspectWidth) {
1682		ds.setHeight(ds.width() * m_aspectHeight / m_aspectWidth);
1683	}
1684	if (m_lockIntegerScaling) {
1685		ds.setWidth(ds.width() - ds.width() % m_aspectWidth);
1686		ds.setHeight(ds.height() - ds.height() % m_aspectHeight);
1687	}
1688	QPoint origin = QPoint((s.width() - ds.width()) / 2, (s.height() - ds.height()) / 2);
1689	QRect full(origin, ds);
1690	painter.drawPixmap(full, *logo);
1691}