Merge pull request #333 from wheremyfoodat/cutie

GUI stuff

CMakeLists.txt

@@ -185,8 +185,8 @@ set(RENDERER_SW_SOURCE_FILES src/core/renderer_sw/renderer_sw.cpp)
 
 # Frontend source files
 if(ENABLE_QT_GUI)
-    set(FRONTEND_SOURCE_FILES src/panda_qt/main.cpp src/panda_qt/screen.cpp src/panda_qt/main_window.cpp)
-    set(FRONTEND_HEADER_FILES include/panda_qt/screen.hpp include/panda_qt/main_window.hpp)
+    set(FRONTEND_SOURCE_FILES src/panda_qt/main.cpp src/panda_qt/screen.cpp src/panda_qt/main_window.cpp src/panda_qt/about_window.cpp)
+    set(FRONTEND_HEADER_FILES include/panda_qt/screen.hpp include/panda_qt/main_window.hpp include/panda_qt/about_window.hpp)
 
     source_group("Source Files\\Qt" FILES ${FRONTEND_SOURCE_FILES})
     source_group("Header Files\\Qt" FILES ${FRONTEND_HEADER_FILES})
@@ -429,7 +429,7 @@ if(ENABLE_QT_GUI)
     qt_add_resources(Alber "app_images"
         PREFIX "/"
         FILES
-            docs/img/rsob_icon.png
+            docs/img/rsob_icon.png docs/img/rstarstruck_icon.png
     )
 else()
     target_compile_definitions(Alber PUBLIC "PANDA3DS_FRONTEND_SDL=1")

include/emulator.hpp

@@ -52,12 +52,14 @@ class Emulator {
 	// We bind gyro to right click + mouse movement
 	bool holdingRightClick = false;
 
+  public:
 	static constexpr u32 width = 400;
 	static constexpr u32 height = 240 * 2;  // * 2 because 2 screens
 	ROMType romType = ROMType::None;
 	bool running = false;         // Is the emulator running a game?
 	bool programRunning = false;  // Is the emulator program itself running?
 
+  private:
 #ifdef PANDA3DS_ENABLE_HTTP_SERVER
 	HttpServer httpServer;
 	friend struct HttpServer;

include/panda_qt/about_window.hpp

@@ -0,0 +1,12 @@
+#pragma once
+
+#include <QApplication>
+#include <QDialog>
+#include <QWidget>
+
+class AboutWindow : public QDialog {
+	Q_OBJECT
+
+  public:
+	AboutWindow(QWidget* parent = nullptr);
+};

include/panda_qt/main_window.hpp

@@ -9,9 +9,12 @@
 #include <filesystem>
 #include <mutex>
 #include <thread>
+#include <vector>
 
 #include "emulator.hpp"
+#include "panda_qt/about_window.hpp"
 #include "panda_qt/screen.hpp"
+#include "services/hid.hpp"
 
 class MainWindow : public QMainWindow {
 	Q_OBJECT
@@ -21,6 +24,27 @@ class MainWindow : public QMainWindow {
 		System = 0,
 		Light = 1,
 		Dark = 2,
+		GreetingsCat = 3,
+	};
+
+	// Types of messages we might send from the GUI thread to the emulator thread
+	enum class MessageType {
+		LoadROM, Reset, Pause, Resume, TogglePause, DumpRomFS, PressKey, ReleaseKey
+	};
+
+	// Tagged union representing our message queue messages
+	struct EmulatorMessage {
+		MessageType type;
+
+		union {
+			struct {
+				std::filesystem::path* p;
+			} path;
+
+			struct {
+				u32 key;
+			} key;
+		};
 	};
 
 	// This would normally be an std::unique_ptr but it's shared between threads so definitely not
@@ -28,12 +52,12 @@ class MainWindow : public QMainWindow {
 	std::thread emuThread;
 
 	std::atomic<bool> appRunning = true; // Is the application itself running?
-	std::mutex messageQueueMutex; // Used for synchronizing messages between the emulator and UI
-	std::filesystem::path romToLoad = "";
-
-	bool needToLoadROM = false;
+	// Used for synchronizing messages between the emulator and UI
+	std::mutex messageQueueMutex;
+	std::vector<EmulatorMessage> messageQueue;
 
 	ScreenWidget screen;
+	AboutWindow* aboutWindow;
 	QComboBox* themeSelect = nullptr;
 	QMenuBar* menuBar = nullptr;
 
@@ -43,6 +67,9 @@ class MainWindow : public QMainWindow {
 	void emuThreadMainLoop();
 	void selectROM();
 	void dumpRomFS();
+	void showAboutMenu();
+	void sendMessage(const EmulatorMessage& message);
+	void dispatchMessage(const EmulatorMessage& message);
 
 	// Tracks whether we are using an OpenGL-backed renderer or a Vulkan-backed renderer
 	bool usingGL = false;
@@ -51,4 +78,7 @@ class MainWindow : public QMainWindow {
   public:
 	MainWindow(QApplication* app, QWidget* parent = nullptr);
 	~MainWindow();
+
+	void keyPressEvent(QKeyEvent* event) override;
+	void keyReleaseEvent(QKeyEvent* event) override;
 };

src/panda_qt/about_window.cpp

@@ -0,0 +1,62 @@
+#include "panda_qt/about_window.hpp"
+
+#include <QLabel>
+#include <QTextEdit>
+#include <QVBoxLayout>
+#include <QtGlobal>
+
+// Based on https://github.com/dolphin-emu/dolphin/blob/master/Source/Core/DolphinQt/AboutDialog.cpp
+
+AboutWindow::AboutWindow(QWidget* parent) : QDialog(parent) {
+	resize(200, 200);
+
+	setWindowTitle(tr("About Panda3DS"));
+	setWindowFlags(windowFlags() & ~Qt::WindowContextHelpButtonHint);
+
+	const QString text =
+		QStringLiteral(R"(
+<p style='font-size:38pt; font-weight:400;'>Panda3DS</p>
+
+<p>
+%ABOUT_PANDA3DS%<br>
+<a href='https://panda3ds.com/'>%SUPPORT%</a><br>
+</p>
+
+<p>
+<a>%AUTHORS%</a>
+</p>
+)")
+			.replace(QStringLiteral("%ABOUT_PANDA3DS%"), tr("Panda3DS is a free and open source Nintendo 3DS emulator, for Windows, MacOS and Linux"))
+			.replace(QStringLiteral("%SUPPORT%"), tr("Visit panda3ds.com for help with Panda3DS and links to our official support sites."))
+			.replace(
+				QStringLiteral("%AUTHORS%"), tr("Panda3DS is developed by volunteers in their spare time. Below is a list of some of these"
+												" volunteers who've agreed to be listed here, in no particular order.<br>If you think you should be "
+												"listed here too, please inform us<br><br>"
+												"- Peach (wheremyfoodat)<br>"
+												"- noumidev<br>"
+												"- liuk707<br>"
+												"- Wunk<br>"
+												"- marysaka<br>"
+												"- Sky<br>"
+												"- merryhime<br>"
+												"- TGP17<br>")
+			);
+
+	QLabel* textLabel = new QLabel(text);
+	textLabel->setTextInteractionFlags(Qt::TextBrowserInteraction);
+	textLabel->setOpenExternalLinks(true);
+
+	QLabel* logo = new QLabel();
+	logo->setPixmap(QPixmap(":/docs/img/rstarstruck_icon.png"));
+	logo->setContentsMargins(30, 0, 30, 0);
+
+	QVBoxLayout* mainLayout = new QVBoxLayout;
+	QHBoxLayout* hLayout = new QHBoxLayout;
+
+	setLayout(mainLayout);
+	mainLayout->addLayout(hLayout);
+
+	hLayout->setAlignment(Qt::AlignLeft);
+	hLayout->addWidget(logo);
+	hLayout->addWidget(textLabel);
+}

src/panda_qt/main_window.cpp

@@ -20,28 +20,41 @@ MainWindow::MainWindow(QApplication* app, QWidget* parent) : QMainWindow(parent)
 	auto fileMenu = menuBar->addMenu(tr("File"));
 	auto emulationMenu = menuBar->addMenu(tr("Emulation"));
 	auto toolsMenu = menuBar->addMenu(tr("Tools"));
-	auto helpMenu = menuBar->addMenu(tr("Help"));
 	auto aboutMenu = menuBar->addMenu(tr("About"));
 
 	// Create and bind actions for them
 	auto pandaAction = fileMenu->addAction(tr("panda..."));
 	connect(pandaAction, &QAction::triggered, this, &MainWindow::selectROM);
 
+	auto pauseAction = emulationMenu->addAction(tr("Pause"));
+	auto resumeAction = emulationMenu->addAction(tr("Resume"));
+	auto resetAction = emulationMenu->addAction(tr("Reset"));
+	connect(pauseAction, &QAction::triggered, this, [this]() { sendMessage(EmulatorMessage{.type = MessageType::Pause}); });
+	connect(resumeAction, &QAction::triggered, this, [this]() { sendMessage(EmulatorMessage{.type = MessageType::Resume}); });
+	connect(resetAction, &QAction::triggered, this, [this]() { sendMessage(EmulatorMessage{.type = MessageType::Reset}); });
+
 	auto dumpRomFSAction = toolsMenu->addAction(tr("Dump RomFS"));
 	connect(dumpRomFSAction, &QAction::triggered, this, &MainWindow::dumpRomFS);
 
+	auto aboutAction = aboutMenu->addAction(tr("About Panda3DS"));
+	connect(aboutAction, &QAction::triggered, this, &MainWindow::showAboutMenu);
+
 	// Set up theme selection
 	setTheme(Theme::Dark);
 	themeSelect = new QComboBox(this);
 	themeSelect->addItem(tr("System"));
 	themeSelect->addItem(tr("Light"));
 	themeSelect->addItem(tr("Dark"));
+	themeSelect->addItem(tr("Greetings Cat"));
 	themeSelect->setCurrentIndex(static_cast<int>(currentTheme));
 
 	themeSelect->setGeometry(40, 40, 100, 50);
 	themeSelect->show();
 	connect(themeSelect, &QComboBox::currentIndexChanged, this, [&](int index) { setTheme(static_cast<Theme>(index)); });
 
+	// Set up misc objects
+	aboutWindow = new AboutWindow(nullptr);
+
 	emu = new Emulator();
 	emu->setOutputSize(screen.surfaceWidth, screen.surfaceHeight);
 
@@ -73,17 +86,21 @@ void MainWindow::emuThreadMainLoop() {
 		{
 			std::unique_lock lock(messageQueueMutex);
 
-			if (needToLoadROM) {
-				needToLoadROM = false;
-
-				bool success = emu->loadROM(romToLoad);
-				if (!success) {
-					printf("Failed to load ROM");
+			// Dispatch all messages in the message queue
+			if (!messageQueue.empty()) {
+				for (const auto& msg : messageQueue) {
+					dispatchMessage(msg);
 				}
+
+				messageQueue.clear();
 			}
 		}
 
 		emu->runFrame();
+		if (emu->romType != ROMType::None) {
+			emu->getServiceManager().getHID().updateInputs(emu->getTicks());
+		}
+
 		swapEmuBuffer();
 	}
 
@@ -102,23 +119,15 @@ void MainWindow::swapEmuBuffer() {
 }
 
 void MainWindow::selectROM() {
-	// Are we already waiting for a ROM to be loaded? Then complain about it!
-	{
-		std::unique_lock lock(messageQueueMutex);
-		if (needToLoadROM) {
-			QMessageBox::warning(this, tr("Already loading ROM"), tr("Panda3DS is already busy loading a ROM, please wait"));
-			return;
-		}
-	}
-
 	auto path =
 		QFileDialog::getOpenFileName(this, tr("Select 3DS ROM to load"), "", tr("Nintendo 3DS ROMs (*.3ds *.cci *.cxi *.app *.3dsx *.elf *.axf)"));
 
 	if (!path.isEmpty()) {
-		std::unique_lock lock(messageQueueMutex);
+		std::filesystem::path* p = new std::filesystem::path(path.toStdU16String());
 
-		romToLoad = path.toStdU16String();
-		needToLoadROM = true;
+		EmulatorMessage message{.type = MessageType::LoadROM};
+		message.path.p = p;
+		sendMessage(message);
 	}
 }
 
@@ -132,9 +141,16 @@ MainWindow::~MainWindow() {
 
 	delete emu;
 	delete menuBar;
+	delete aboutWindow;
 	delete themeSelect;
 }
 
+// Send a message to the emulator thread. Lock the mutex and just push back to the vector.
+void MainWindow::sendMessage(const EmulatorMessage& message) {
+	std::unique_lock lock(messageQueueMutex);
+	messageQueue.push_back(message);
+}
+
 void MainWindow::setTheme(Theme theme) {
 	currentTheme = theme;
 
@@ -183,6 +199,28 @@ void MainWindow::setTheme(Theme theme) {
 			break;
 		}
 
+		case Theme::GreetingsCat: {
+			QApplication::setStyle(QStyleFactory::create("Fusion"));
+
+			QPalette p;
+			p.setColor(QPalette::Window, QColor(250, 207, 228));
+			p.setColor(QPalette::WindowText, QColor(225, 22, 137));
+			p.setColor(QPalette::Base, QColor(250, 207, 228));
+			p.setColor(QPalette::AlternateBase, QColor(250, 207, 228));
+			p.setColor(QPalette::ToolTipBase, QColor(225, 22, 137));
+			p.setColor(QPalette::ToolTipText, QColor(225, 22, 137));
+			p.setColor(QPalette::Text, QColor(225, 22, 137));
+			p.setColor(QPalette::Button, QColor(250, 207, 228));
+			p.setColor(QPalette::ButtonText, QColor(225, 22, 137));
+			p.setColor(QPalette::BrightText, Qt::black);
+			p.setColor(QPalette::Link, QColor(42, 130, 218));
+
+			p.setColor(QPalette::Highlight, QColor(42, 130, 218));
+			p.setColor(QPalette::HighlightedText, Qt::black);
+			qApp->setPalette(p);
+			break;
+		}
+
 		case Theme::System: {
 			qApp->setPalette(this->style()->standardPalette());
 			qApp->setStyle(QStyleFactory::create("WindowsVista"));
@@ -225,4 +263,82 @@ void MainWindow::dumpRomFS() {
 			QMessageBox::warning(this, tr("No RomFS found"), tr("No RomFS partition was found in the loaded app"));
 			break;
 	}
+}
+
+void MainWindow::showAboutMenu() {
+	AboutWindow about(this);
+	about.exec();
+}
+
+void MainWindow::dispatchMessage(const EmulatorMessage& message) {
+	switch (message.type) {
+		case MessageType::LoadROM:
+			emu->loadROM(*message.path.p);
+			// Clean up the allocated path
+			delete message.path.p;
+			break;
+
+		case MessageType::Pause: emu->pause(); break;
+		case MessageType::Resume: emu->resume(); break;
+		case MessageType::TogglePause: emu->togglePause(); break;
+		case MessageType::Reset: emu->reset(Emulator::ReloadOption::Reload); break;
+		case MessageType::PressKey: emu->getServiceManager().getHID().pressKey(message.key.key); break;
+		case MessageType::ReleaseKey: emu->getServiceManager().getHID().releaseKey(message.key.key); break;
+	}
+}
+
+void MainWindow::keyPressEvent(QKeyEvent* event) {
+	auto pressKey = [this](u32 key) {
+		EmulatorMessage message{.type = MessageType::PressKey};
+		message.key.key = key;
+
+		sendMessage(message);
+	};
+
+	switch (event->key()) {
+		case Qt::Key_L: pressKey(HID::Keys::A); break;
+		case Qt::Key_K: pressKey(HID::Keys::B); break;
+		case Qt::Key_O: pressKey(HID::Keys::X); break;
+		case Qt::Key_I: pressKey(HID::Keys::Y); break;
+
+		case Qt::Key_Q: pressKey(HID::Keys::L); break;
+		case Qt::Key_P: pressKey(HID::Keys::R); break;
+
+		case Qt::Key_Right: pressKey(HID::Keys::Right); break;
+		case Qt::Key_Left: pressKey(HID::Keys::Left); break;
+		case Qt::Key_Up: pressKey(HID::Keys::Up); break;
+		case Qt::Key_Down: pressKey(HID::Keys::Down); break;
+
+		case Qt::Key_Return: pressKey(HID::Keys::Start); break;
+		case Qt::Key_Backspace: pressKey(HID::Keys::Select); break;
+		case Qt::Key_F4: sendMessage(EmulatorMessage{.type = MessageType::TogglePause}); break;
+		case Qt::Key_F5: sendMessage(EmulatorMessage{.type = MessageType::Reset}); break;
+	}
+}
+
+void MainWindow::keyReleaseEvent(QKeyEvent* event) {
+	auto releaseKey = [this](u32 key) {
+		EmulatorMessage message{.type = MessageType::ReleaseKey};
+		message.key.key = key;
+
+		sendMessage(message);
+	};
+
+	switch (event->key()) {
+		case Qt::Key_L: releaseKey(HID::Keys::A); break;
+		case Qt::Key_K: releaseKey(HID::Keys::B); break;
+		case Qt::Key_O: releaseKey(HID::Keys::X); break;
+		case Qt::Key_I: releaseKey(HID::Keys::Y); break;
+
+		case Qt::Key_Q: releaseKey(HID::Keys::L); break;
+		case Qt::Key_P: releaseKey(HID::Keys::R); break;
+
+		case Qt::Key_Right: releaseKey(HID::Keys::Right); break;
+		case Qt::Key_Left: releaseKey(HID::Keys::Left); break;
+		case Qt::Key_Up: releaseKey(HID::Keys::Up); break;
+		case Qt::Key_Down: releaseKey(HID::Keys::Down); break;
+
+		case Qt::Key_Return: releaseKey(HID::Keys::Start); break;
+		case Qt::Key_Backspace: releaseKey(HID::Keys::Select); break;
+	}
 }