DolphinQt: adapt so that it can boot games.

Source/Core/DolphinQt/MainWindow.cpp

@@ -3,36 +3,247 @@
 // Refer to the license.txt file included.
 
 #include <QDesktopServices>
+#include <QFileDialog>
+#include <QMessageBox>
 #include <QUrl>
 
 #include "ui_MainWindow.h"
 
 #include "Common/StdMakeUnique.h"
 
+#include "Core/BootManager.h"
+#include "Core/ConfigManager.h"
+
 #include "DolphinQt/AboutDialog.h"
 #include "DolphinQt/MainWindow.h"
 #include "DolphinQt/SystemInfo.h"
 #include "DolphinQt/Utils/Resources.h"
 #include "DolphinQt/Utils/Utils.h"
 
+// The "g_main_window" object as defined in MainWindow.h
+DMainWindow* g_main_window = nullptr;
+
 DMainWindow::DMainWindow(QWidget* parent_widget)
 	: QMainWindow(parent_widget)
 {
 	m_ui = std::make_unique<Ui::DMainWindow>();
 	m_ui->setupUi(this);
-
-	Resources::Init();
-	m_ui->actOpen->setIcon(Resources::GetIcon(Resources::TOOLBAR_OPEN));
-
 #ifdef Q_OS_MACX
 	m_ui->toolbar->setMovable(false);
 #endif
+
+	Resources::Init();
+
+	UpdateIcons();
+	setWindowIcon(Resources::GetIcon(Resources::DOLPHIN_LOGO));
+
+	connect(this, SIGNAL(CoreStateChanged(Core::EState)), this, SLOT(OnCoreStateChanged(Core::EState)));
+	emit CoreStateChanged(Core::CORE_UNINITIALIZED); // update GUI items
 }
 
 DMainWindow::~DMainWindow()
 {
 }
 
+// Emulation
+
+void DMainWindow::StartGame(const QString filename)
+{
+	m_render_widget = std::make_unique<DRenderWidget>();
+	m_render_widget->setWindowTitle(tr("Dolphin")); // TODO
+	m_render_widget->setWindowIcon(windowIcon());
+
+	// TODO: When rendering to main, this won't resize the parent window..
+	if (!SConfig::GetInstance().m_LocalCoreStartupParameter.bRenderToMain)
+	{
+		connect(m_render_widget.get(), SIGNAL(Closed()), this, SLOT(on_actStop_triggered()));
+		m_render_widget->move(SConfig::GetInstance().m_LocalCoreStartupParameter.iRenderWindowXPos,
+			SConfig::GetInstance().m_LocalCoreStartupParameter.iRenderWindowYPos);
+		m_render_widget->resize(SConfig::GetInstance().m_LocalCoreStartupParameter.iRenderWindowWidth, // TODO: Make sure these are client sizes!
+			SConfig::GetInstance().m_LocalCoreStartupParameter.iRenderWindowHeight);
+		m_render_widget->show();
+	}
+	else
+	{
+		m_ui->centralWidget->addWidget(m_render_widget.get());
+		m_ui->centralWidget->setCurrentWidget(m_render_widget.get());
+	}
+
+	if (!BootManager::BootCore(filename.toStdString()))
+	{
+		QMessageBox::critical(this, tr("Fatal error"), tr("Failed to init Core"), QMessageBox::Ok);
+		if (SConfig::GetInstance().m_LocalCoreStartupParameter.bRenderToMain)
+			m_ui->centralWidget->removeWidget(m_render_widget.get());
+		else
+			m_render_widget->close();
+		m_render_widget.reset();
+	}
+	else
+	{
+		// TODO: Disable screensaver!
+
+		// TODO: Fullscreen
+		//DoFullscreen(SConfig::GetInstance().m_LocalCoreStartupParameter.bFullscreen);
+
+		m_render_widget->focusWidget();
+		emit CoreStateChanged(Core::CORE_RUN);
+	}
+}
+
+QString DMainWindow::RequestBootFilename()
+{
+	// If a game is already selected, just return the filename
+	//  ... TODO
+
+	return ShowFileDialog();
+}
+
+QString DMainWindow::ShowFileDialog()
+{
+	return QFileDialog::getOpenFileName(this, tr("Open File"), QString(),
+		tr("All supported ROMs (%1);;All files (*)")
+		.arg(SL("*.gcm *.iso *.ciso *.gcz *.wbfs *.elf *.dol *.dff *.tmd *.wad")));
+}
+
+void DMainWindow::DoStartPause()
+{
+	if (Core::GetState() == Core::CORE_RUN)
+	{
+		Core::SetState(Core::CORE_PAUSE);
+		emit CoreStateChanged(Core::CORE_PAUSE);
+	}
+	else
+	{
+		Core::SetState(Core::CORE_RUN);
+		emit CoreStateChanged(Core::CORE_RUN);
+	}
+	if (SConfig::GetInstance().m_LocalCoreStartupParameter.bHideCursor)
+		m_render_widget->setCursor(Qt::BlankCursor);
+}
+
+void DMainWindow::on_actOpen_triggered()
+{
+	StartGame(ShowFileDialog());
+}
+
+void DMainWindow::on_actPlay_triggered()
+{
+	if (Core::GetState() != Core::CORE_UNINITIALIZED)
+	{
+		DoStartPause();
+	}
+	else
+	{
+		// initialize Core and boot the game
+		QString filename = RequestBootFilename();
+		if (!filename.isNull())
+			StartGame(filename);
+	}
+}
+
+void DMainWindow::on_actStop_triggered()
+{
+	if (Core::GetState() != Core::CORE_UNINITIALIZED && !m_isStopping)
+	{
+		m_isStopping = true;
+		// Ask for confirmation in case the user accidentally clicked Stop / Escape
+		if (SConfig::GetInstance().m_LocalCoreStartupParameter.bConfirmStop)
+		{
+			int ret = QMessageBox::question(m_render_widget.get(), tr("Please confirm..."),
+				tr("Do you want to stop the current emulation?"),
+				QMessageBox::Yes | QMessageBox::No, QMessageBox::No);
+
+			if (ret == QMessageBox::No)
+				return;
+		}
+
+		// TODO: Movie stuff
+		// TODO: Show the author/description dialog here
+
+		// TODO: Show busy cursor
+		BootManager::Stop();
+		// TODO: Hide busy cursor again
+
+		// TODO: Allow screensaver again
+		// TODO: Restore original window title
+
+		// TODO: Return from fullscreen if necessary (DoFullscreen in the wx code)
+
+		// TODO:
+		// If batch mode was specified on the command-line, exit now.
+		//if (m_bBatchMode)
+		//	Close(true);
+
+		if (SConfig::GetInstance().m_LocalCoreStartupParameter.bRenderToMain)
+			m_ui->centralWidget->removeWidget(m_render_widget.get());
+		else
+			m_render_widget->close();
+		m_render_widget.reset();
+
+		emit CoreStateChanged(Core::CORE_UNINITIALIZED);
+	}
+	m_isStopping = false;
+}
+
+void DMainWindow::OnCoreStateChanged(Core::EState state)
+{
+	bool is_not_initialized = (state == Core::CORE_UNINITIALIZED);
+	bool is_running = (state == Core::CORE_RUN);
+	bool is_paused = (state == Core::CORE_PAUSE);
+
+	// Update the toolbar
+	m_ui->actPlay->setEnabled(is_not_initialized || is_running || is_paused);
+	if (is_running)
+	{
+		m_ui->actPlay->setIcon(Resources::GetIcon(Resources::TOOLBAR_PAUSE));
+		m_ui->actPlay->setText(tr("Pause"));
+	}
+	else if (is_paused || is_not_initialized)
+	{
+		m_ui->actPlay->setIcon(Resources::GetIcon(Resources::TOOLBAR_PLAY));
+		m_ui->actPlay->setText(tr("Play"));
+	}
+
+	m_ui->actStop->setEnabled(!is_not_initialized);
+	m_ui->actOpen->setEnabled(is_not_initialized);
+}
+
+// DRenderWidget
+void DMainWindow::RenderWidgetSize(int& x_pos, int& y_pos, int& w, int& h)
+{
+	if (SConfig::GetInstance().m_LocalCoreStartupParameter.bRenderToMain)
+	{
+		x_pos = x();
+		y_pos = y();
+	}
+	else
+	{
+		x_pos = m_render_widget->x();
+		y_pos = m_render_widget->y();
+	}
+	w = m_render_widget->width();
+	h = m_render_widget->height();
+}
+
+bool DMainWindow::RenderWidgetHasFocus()
+{
+	if (SConfig::GetInstance().m_LocalCoreStartupParameter.bRenderToMain)
+		return isActiveWindow();
+	else if (m_render_widget != nullptr)
+		return m_render_widget->isActiveWindow();
+	else
+		return false;
+}
+
+// Update all the icons used in DMainWindow with fresh ones from
+// "Resources". Call this function after changing the icon theme.
+void DMainWindow::UpdateIcons()
+{
+	m_ui->actOpen->setIcon(Resources::GetIcon(Resources::TOOLBAR_OPEN));
+	m_ui->actStop->setIcon(Resources::GetIcon(Resources::TOOLBAR_STOP));
+}
+
+// Help menu
 void DMainWindow::on_actWebsite_triggered()
 {
     QDesktopServices::openUrl(QUrl(SL("https://dolphin-emu.org/")));