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