1#include "Window.h"
  2
  3#include <QFileDialog>
  4#include <QKeyEvent>
  5#include <QKeySequence>
  6#include <QMenuBar>
  7
  8#include "GDBWindow.h"
  9#include "GDBController.h"
 10
 11using namespace QGBA;
 12
 13Window::Window(QWidget* parent)
 14	: QMainWindow(parent)
 15#ifdef USE_GDB_STUB
 16	, m_gdbController(nullptr)
 17#endif
 18{
 19	setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
 20	setMinimumSize(240, 160);
 21
 22	m_controller = new GameController(this);
 23	m_display = new Display();
 24	setCentralWidget(m_display);
 25	connect(m_controller, SIGNAL(audioDeviceAvailable(GBAAudio*)), this, SLOT(setupAudio(GBAAudio*)));
 26	connect(m_controller, SIGNAL(gameStarted(GBAThread*)), this, SLOT(gameStarted(GBAThread*)));
 27	connect(this, SIGNAL(startDrawing(const uint32_t*, GBAThread*)), m_display, SLOT(startDrawing(const uint32_t*, GBAThread*)), Qt::QueuedConnection);
 28	connect(this, SIGNAL(shutdown()), m_display, SLOT(stopDrawing()));
 29
 30	setupMenu(menuBar());
 31}
 32
 33GBAKey Window::mapKey(int qtKey) {
 34	switch (qtKey) {
 35	case Qt::Key_Z:
 36		return GBA_KEY_A;
 37		break;
 38	case Qt::Key_X:
 39		return GBA_KEY_B;
 40		break;
 41	case Qt::Key_A:
 42		return GBA_KEY_L;
 43		break;
 44	case Qt::Key_S:
 45		return GBA_KEY_R;
 46		break;
 47	case Qt::Key_Return:
 48		return GBA_KEY_START;
 49		break;
 50	case Qt::Key_Backspace:
 51		return GBA_KEY_SELECT;
 52		break;
 53	case Qt::Key_Up:
 54		return GBA_KEY_UP;
 55		break;
 56	case Qt::Key_Down:
 57		return GBA_KEY_DOWN;
 58		break;
 59	case Qt::Key_Left:
 60		return GBA_KEY_LEFT;
 61		break;
 62	case Qt::Key_Right:
 63		return GBA_KEY_RIGHT;
 64		break;
 65	default:
 66		return GBA_KEY_NONE;
 67	}
 68}
 69
 70void Window::selectROM() {
 71	QString filename = QFileDialog::getOpenFileName(this, tr("Select ROM"));
 72	if (!filename.isEmpty()) {
 73		m_controller->loadGame(filename);
 74	}
 75}
 76
 77#ifdef USE_GDB_STUB
 78void Window::gdbOpen() {
 79	if (!m_gdbController) {
 80		m_gdbController = new GDBController(m_controller, this);
 81	}
 82	GDBWindow* window = new GDBWindow(m_gdbController);
 83	window->show();
 84}
 85#endif
 86
 87void Window::keyPressEvent(QKeyEvent* event) {
 88	if (event->isAutoRepeat()) {
 89		QWidget::keyPressEvent(event);
 90		return;
 91	}
 92	GBAKey key = mapKey(event->key());
 93	if (key == GBA_KEY_NONE) {
 94		QWidget::keyPressEvent(event);
 95		return;
 96	}
 97	m_controller->keyPressed(key);
 98	event->accept();
 99}
100
101void Window::keyReleaseEvent(QKeyEvent* event) {
102	if (event->isAutoRepeat()) {
103		QWidget::keyReleaseEvent(event);
104		return;
105	}
106	GBAKey key = mapKey(event->key());
107	if (key == GBA_KEY_NONE) {
108		QWidget::keyPressEvent(event);
109		return;
110	}
111	m_controller->keyReleased(key);
112	event->accept();
113}
114
115void Window::closeEvent(QCloseEvent* event) {
116	emit shutdown();
117	QMainWindow::closeEvent(event);
118}
119
120void Window::gameStarted(GBAThread* context) {
121	emit startDrawing(m_controller->drawContext(), context);
122	foreach (QAction* action, m_gameActions) {
123		action->setDisabled(false);
124	}
125}
126
127void Window::setupAudio(GBAAudio* audio) {
128	AudioThread* thread = new AudioThread(this);
129	thread->setInput(audio);
130	thread->start(QThread::HighPriority);
131	connect(this, SIGNAL(shutdown()), thread, SLOT(shutdown()));
132}
133
134void Window::setupMenu(QMenuBar* menubar) {
135	menubar->clear();
136	QMenu* fileMenu = menubar->addMenu(tr("&File"));
137	fileMenu->addAction(tr("Load &ROM"), this, SLOT(selectROM()), QKeySequence::Open);
138
139	QMenu* emulationMenu = menubar->addMenu(tr("&Emulation"));
140	QAction* pause = new QAction(tr("&Pause"), 0);
141	pause->setChecked(false);
142	pause->setCheckable(true);
143	pause->setShortcut(tr("Ctrl+P"));
144	pause->setDisabled(true);
145	connect(pause, SIGNAL(triggered(bool)), m_controller, SLOT(setPaused(bool)));
146	m_gameActions.append(pause);
147	emulationMenu->addAction(pause);
148
149	QAction* frameAdvance = new QAction(tr("&Next frame"), 0);
150	frameAdvance->setShortcut(tr("Ctrl+N"));
151	frameAdvance->setDisabled(true);
152	connect(frameAdvance, SIGNAL(triggered()), m_controller, SLOT(frameAdvance()));
153	m_gameActions.append(frameAdvance);
154	emulationMenu->addAction(frameAdvance);
155
156	QMenu* debuggingMenu = menubar->addMenu(tr("&Debugging"));
157#ifdef USE_GDB_STUB
158	QAction* gdbWindow = new QAction(tr("Start &GDB server"), nullptr);
159	connect(gdbWindow, SIGNAL(triggered()), this, SLOT(gdbOpen()));
160	debuggingMenu->addAction(gdbWindow);
161#endif
162}