src/platform/qt/Window.cpp (view raw)
1#include "Window.h"
2
3#include <QFileDialog>
4#include <QKeyEvent>
5#include <QKeySequence>
6#include <QMenuBar>
7#include <QStackedLayout>
8
9#include "GameController.h"
10#include "GDBWindow.h"
11#include "GDBController.h"
12#include "LoadSaveState.h"
13#include "LogView.h"
14
15using namespace QGBA;
16
17Window::Window(QWidget* parent)
18 : QMainWindow(parent)
19 , m_logView(new LogView())
20 , m_stateWindow(nullptr)
21 , m_screenWidget(new QLabel())
22 , m_logo(":/res/mgba-1024.png")
23#ifdef USE_GDB_STUB
24 , m_gdbController(nullptr)
25#endif
26{
27 setWindowTitle(PROJECT_NAME);
28 m_controller = new GameController(this);
29
30 QGLFormat format(QGLFormat(QGL::Rgba | QGL::DoubleBuffer));
31 format.setSwapInterval(1);
32 m_display = new Display(format);
33
34 m_screenWidget->setLayout(new QStackedLayout());
35 m_screenWidget->layout()->setContentsMargins(0, 0, 0, 0);
36 m_screenWidget->setAlignment(Qt::AlignCenter);
37 m_screenWidget->setMinimumSize(m_display->minimumSize());
38 m_screenWidget->setSizePolicy(m_display->sizePolicy());
39 m_screenWidget->resize(m_display->minimumSize() * 2);
40 QPalette palette = m_screenWidget->palette();
41 palette.setColor(m_screenWidget->backgroundRole(), Qt::black);
42 m_screenWidget->setPalette(palette);
43 m_screenWidget->setAutoFillBackground(true);
44 setCentralWidget(m_screenWidget);
45
46 connect(m_controller, SIGNAL(gameStarted(GBAThread*)), this, SLOT(gameStarted(GBAThread*)));
47 connect(m_controller, SIGNAL(gameStopped(GBAThread*)), m_display, SLOT(stopDrawing()));
48 connect(m_controller, SIGNAL(gameStopped(GBAThread*)), this, SLOT(gameStopped()));
49 connect(m_controller, SIGNAL(stateLoaded(GBAThread*)), m_display, SLOT(forceDraw()));
50 connect(m_controller, SIGNAL(postLog(int, const QString&)), m_logView, SLOT(postLog(int, const QString&)));
51 connect(this, SIGNAL(startDrawing(const uint32_t*, GBAThread*)), m_display, SLOT(startDrawing(const uint32_t*, GBAThread*)), Qt::QueuedConnection);
52 connect(this, SIGNAL(shutdown()), m_display, SLOT(stopDrawing()));
53 connect(this, SIGNAL(shutdown()), m_controller, SLOT(closeGame()));
54 connect(this, SIGNAL(shutdown()), m_logView, SLOT(hide()));
55 connect(this, SIGNAL(audioBufferSamplesChanged(int)), m_controller, SLOT(setAudioBufferSamples(int)));
56 connect(this, SIGNAL(fpsTargetChanged(float)), m_controller, SLOT(setFPSTarget(float)));
57
58 setupMenu(menuBar());
59}
60
61Window::~Window() {
62 delete m_logView;
63}
64
65GBAKey Window::mapKey(int qtKey) {
66 switch (qtKey) {
67 case Qt::Key_Z:
68 return GBA_KEY_A;
69 break;
70 case Qt::Key_X:
71 return GBA_KEY_B;
72 break;
73 case Qt::Key_A:
74 return GBA_KEY_L;
75 break;
76 case Qt::Key_S:
77 return GBA_KEY_R;
78 break;
79 case Qt::Key_Return:
80 return GBA_KEY_START;
81 break;
82 case Qt::Key_Backspace:
83 return GBA_KEY_SELECT;
84 break;
85 case Qt::Key_Up:
86 return GBA_KEY_UP;
87 break;
88 case Qt::Key_Down:
89 return GBA_KEY_DOWN;
90 break;
91 case Qt::Key_Left:
92 return GBA_KEY_LEFT;
93 break;
94 case Qt::Key_Right:
95 return GBA_KEY_RIGHT;
96 break;
97 default:
98 return GBA_KEY_NONE;
99 }
100}
101
102void Window::selectROM() {
103 QString filename = QFileDialog::getOpenFileName(this, tr("Select ROM"));
104 if (!filename.isEmpty()) {
105 m_controller->loadGame(filename);
106 }
107}
108
109#ifdef USE_GDB_STUB
110void Window::gdbOpen() {
111 if (!m_gdbController) {
112 m_gdbController = new GDBController(m_controller, this);
113 }
114 GDBWindow* window = new GDBWindow(m_gdbController);
115 window->show();
116}
117#endif
118
119void Window::keyPressEvent(QKeyEvent* event) {
120 if (event->isAutoRepeat()) {
121 QWidget::keyPressEvent(event);
122 return;
123 }
124 GBAKey key = mapKey(event->key());
125 if (key == GBA_KEY_NONE) {
126 QWidget::keyPressEvent(event);
127 return;
128 }
129 m_controller->keyPressed(key);
130 event->accept();
131}
132
133void Window::keyReleaseEvent(QKeyEvent* event) {
134 if (event->isAutoRepeat()) {
135 QWidget::keyReleaseEvent(event);
136 return;
137 }
138 GBAKey key = mapKey(event->key());
139 if (key == GBA_KEY_NONE) {
140 QWidget::keyPressEvent(event);
141 return;
142 }
143 m_controller->keyReleased(key);
144 event->accept();
145}
146
147void Window::resizeEvent(QResizeEvent*) {
148 redoLogo();
149}
150
151void Window::closeEvent(QCloseEvent* event) {
152 emit shutdown();
153 QMainWindow::closeEvent(event);
154}
155
156void Window::toggleFullScreen() {
157 if (isFullScreen()) {
158 showNormal();
159 setCursor(Qt::ArrowCursor);
160 } else {
161 showFullScreen();
162 setCursor(Qt::BlankCursor);
163 }
164}
165
166void Window::gameStarted(GBAThread* context) {
167 emit startDrawing(m_controller->drawContext(), context);
168 foreach (QAction* action, m_gameActions) {
169 action->setDisabled(false);
170 }
171 char title[13] = { '\0' };
172 GBAGetGameTitle(context->gba, title);
173 setWindowTitle(tr(PROJECT_NAME " - %1").arg(title));
174 attachWidget(m_display);
175 m_screenWidget->setScaledContents(true);
176}
177
178void Window::gameStopped() {
179 foreach (QAction* action, m_gameActions) {
180 action->setDisabled(true);
181 }
182 setWindowTitle(tr(PROJECT_NAME));
183 detachWidget(m_display);
184 m_screenWidget->setScaledContents(false);
185 redoLogo();
186}
187
188void Window::redoLogo() {
189 if (m_controller->isLoaded()) {
190 return;
191 }
192 m_screenWidget->setPixmap(m_logo.scaled(m_screenWidget->size(), Qt::KeepAspectRatio, Qt::SmoothTransformation));
193}
194
195void Window::openStateWindow(LoadSave ls) {
196 if (m_stateWindow) {
197 return;
198 }
199 bool wasPaused = m_controller->isPaused();
200 m_stateWindow = new LoadSaveState(m_controller);
201 connect(this, SIGNAL(shutdown()), m_stateWindow, SLOT(hide()));
202 connect(m_stateWindow, &LoadSaveState::closed, [this]() {
203 m_screenWidget->layout()->removeWidget(m_stateWindow);
204 m_stateWindow = nullptr;
205 setFocus();
206 });
207 if (!wasPaused) {
208 m_controller->setPaused(true);
209 connect(m_stateWindow, &LoadSaveState::closed, [this]() { m_controller->setPaused(false); });
210 }
211 m_stateWindow->setAttribute(Qt::WA_DeleteOnClose);
212 m_stateWindow->setMode(ls);
213 attachWidget(m_stateWindow);
214}
215
216void Window::setupMenu(QMenuBar* menubar) {
217 menubar->clear();
218 QMenu* fileMenu = menubar->addMenu(tr("&File"));
219 fileMenu->addAction(tr("Load &ROM..."), this, SLOT(selectROM()), QKeySequence::Open);
220#ifndef Q_OS_MAC
221 fileMenu->addSeparator();
222 fileMenu->addAction(tr("E&xit"), this, SLOT(close()), QKeySequence::Quit);
223#endif
224
225 QMenu* emulationMenu = menubar->addMenu(tr("&Emulation"));
226 QAction* reset = new QAction(tr("&Reset"), emulationMenu);
227 reset->setShortcut(tr("Ctrl+R"));
228 connect(reset, SIGNAL(triggered()), m_controller, SLOT(reset()));
229 m_gameActions.append(reset);
230 emulationMenu->addAction(reset);
231
232 QAction* shutdown = new QAction(tr("Sh&utdown"), emulationMenu);
233 connect(shutdown, SIGNAL(triggered()), m_controller, SLOT(closeGame()));
234 m_gameActions.append(shutdown);
235 emulationMenu->addAction(shutdown);
236 emulationMenu->addSeparator();
237
238 QAction* loadState = new QAction(tr("&Load state"), emulationMenu);
239 loadState->setShortcut(tr("Ctrl+L"));
240 connect(loadState, &QAction::triggered, [this]() { this->openStateWindow(LoadSave::LOAD); });
241 m_gameActions.append(loadState);
242 emulationMenu->addAction(loadState);
243
244 QAction* saveState = new QAction(tr("&Save state"), emulationMenu);
245 saveState->setShortcut(tr("Ctrl+S"));
246 connect(saveState, &QAction::triggered, [this]() { this->openStateWindow(LoadSave::SAVE); });
247 m_gameActions.append(saveState);
248 emulationMenu->addAction(saveState);
249
250 QMenu* quickLoadMenu = emulationMenu->addMenu(tr("Quick load"));
251 QMenu* quickSaveMenu = emulationMenu->addMenu(tr("Quick save"));
252 int i;
253 for (i = 1; i < 10; ++i) {
254 QAction* quickLoad = new QAction(tr("State &%1").arg(i), quickLoadMenu);
255 quickLoad->setShortcut(tr("F%1").arg(i));
256 connect(quickLoad, &QAction::triggered, [this, i]() { m_controller->loadState(i); });
257 m_gameActions.append(quickLoad);
258 quickLoadMenu->addAction(quickLoad);
259
260 QAction* quickSave = new QAction(tr("State &%1").arg(i), quickSaveMenu);
261 quickSave->setShortcut(tr("Shift+F%1").arg(i));
262 connect(quickSave, &QAction::triggered, [this, i]() { m_controller->saveState(i); });
263 m_gameActions.append(quickSave);
264 quickSaveMenu->addAction(quickSave);
265 }
266
267 emulationMenu->addSeparator();
268
269 QAction* pause = new QAction(tr("&Pause"), emulationMenu);
270 pause->setChecked(false);
271 pause->setCheckable(true);
272 pause->setShortcut(tr("Ctrl+P"));
273 connect(pause, SIGNAL(triggered(bool)), m_controller, SLOT(setPaused(bool)));
274 connect(m_controller, &GameController::gamePaused, [this, pause]() {
275 pause->setChecked(true);
276
277 QImage currentImage(reinterpret_cast<const uchar*>(m_controller->drawContext()), VIDEO_HORIZONTAL_PIXELS, VIDEO_VERTICAL_PIXELS, 1024, QImage::Format_RGB32);
278 QPixmap pixmap;
279 pixmap.convertFromImage(currentImage.rgbSwapped());
280 m_screenWidget->setPixmap(pixmap);
281 });
282 connect(m_controller, &GameController::gameUnpaused, [pause]() { pause->setChecked(false); });
283 m_gameActions.append(pause);
284 emulationMenu->addAction(pause);
285
286 QAction* frameAdvance = new QAction(tr("&Next frame"), emulationMenu);
287 frameAdvance->setShortcut(tr("Ctrl+N"));
288 connect(frameAdvance, SIGNAL(triggered()), m_controller, SLOT(frameAdvance()));
289 m_gameActions.append(frameAdvance);
290 emulationMenu->addAction(frameAdvance);
291
292 QMenu* target = emulationMenu->addMenu("FPS target");
293 QAction* setTarget = new QAction(tr("15"), emulationMenu);
294 connect(setTarget, &QAction::triggered, [this]() { emit fpsTargetChanged(15); });
295 target->addAction(setTarget);
296 setTarget = new QAction(tr("30"), emulationMenu);
297 connect(setTarget, &QAction::triggered, [this]() { emit fpsTargetChanged(30); });
298 target->addAction(setTarget);
299 setTarget = new QAction(tr("45"), emulationMenu);
300 connect(setTarget, &QAction::triggered, [this]() { emit fpsTargetChanged(45); });
301 target->addAction(setTarget);
302 setTarget = new QAction(tr("60"), emulationMenu);
303 connect(setTarget, &QAction::triggered, [this]() { emit fpsTargetChanged(60); });
304 target->addAction(setTarget);
305 setTarget = new QAction(tr("90"), emulationMenu);
306 connect(setTarget, &QAction::triggered, [this]() { emit fpsTargetChanged(90); });
307 target->addAction(setTarget);
308 setTarget = new QAction(tr("120"), emulationMenu);
309 connect(setTarget, &QAction::triggered, [this]() { emit fpsTargetChanged(120); });
310 target->addAction(setTarget);
311 setTarget = new QAction(tr("240"), emulationMenu);
312 connect(setTarget, &QAction::triggered, [this]() { emit fpsTargetChanged(240); });
313 target->addAction(setTarget);
314
315 QMenu* videoMenu = menubar->addMenu(tr("&Video"));
316 QMenu* frameMenu = videoMenu->addMenu(tr("Frame &size"));
317 QAction* setSize = new QAction(tr("1x"), videoMenu);
318 connect(setSize, &QAction::triggered, [this]() {
319 showNormal();
320 resize(VIDEO_HORIZONTAL_PIXELS, VIDEO_VERTICAL_PIXELS);
321 });
322 frameMenu->addAction(setSize);
323 setSize = new QAction(tr("2x"), videoMenu);
324 connect(setSize, &QAction::triggered, [this]() {
325 showNormal();
326 resize(VIDEO_HORIZONTAL_PIXELS * 2, VIDEO_VERTICAL_PIXELS * 2);
327 });
328 frameMenu->addAction(setSize);
329 setSize = new QAction(tr("3x"), videoMenu);
330 connect(setSize, &QAction::triggered, [this]() {
331 showNormal();
332 resize(VIDEO_HORIZONTAL_PIXELS * 3, VIDEO_VERTICAL_PIXELS * 3);
333 });
334 frameMenu->addAction(setSize);
335 setSize = new QAction(tr("4x"), videoMenu);
336 connect(setSize, &QAction::triggered, [this]() {
337 showNormal();
338 resize(VIDEO_HORIZONTAL_PIXELS * 4, VIDEO_VERTICAL_PIXELS * 4);
339 });
340 frameMenu->addAction(setSize);
341 frameMenu->addAction(tr("Fullscreen"), this, SLOT(toggleFullScreen()), QKeySequence("Ctrl+F"));
342
343 QMenu* soundMenu = menubar->addMenu(tr("&Sound"));
344 QMenu* buffersMenu = soundMenu->addMenu(tr("Buffer &size"));
345 QAction* setBuffer = new QAction(tr("512"), buffersMenu);
346 connect(setBuffer, &QAction::triggered, [this]() { emit audioBufferSamplesChanged(512); });
347 buffersMenu->addAction(setBuffer);
348 setBuffer = new QAction(tr("1024"), buffersMenu);
349 connect(setBuffer, &QAction::triggered, [this]() { emit audioBufferSamplesChanged(1024); });
350 buffersMenu->addAction(setBuffer);
351 setBuffer = new QAction(tr("2048"), buffersMenu);
352 connect(setBuffer, &QAction::triggered, [this]() { emit audioBufferSamplesChanged(2048); });
353 buffersMenu->addAction(setBuffer);
354
355 QMenu* debuggingMenu = menubar->addMenu(tr("&Debugging"));
356 QAction* viewLogs = new QAction(tr("View &logs..."), debuggingMenu);
357 connect(viewLogs, SIGNAL(triggered()), m_logView, SLOT(show()));
358 debuggingMenu->addAction(viewLogs);
359#ifdef USE_GDB_STUB
360 QAction* gdbWindow = new QAction(tr("Start &GDB server..."), debuggingMenu);
361 connect(gdbWindow, SIGNAL(triggered()), this, SLOT(gdbOpen()));
362 debuggingMenu->addAction(gdbWindow);
363#endif
364
365 foreach (QAction* action, m_gameActions) {
366 action->setDisabled(true);
367 }
368}
369
370void Window::attachWidget(QWidget* widget) {
371 m_screenWidget->layout()->addWidget(widget);
372 static_cast<QStackedLayout*>(m_screenWidget->layout())->setCurrentWidget(widget);
373}
374
375void Window::detachWidget(QWidget* widget) {
376 m_screenWidget->layout()->removeWidget(widget);
377}