src/compositor/wayland_wrapper/wlcompositor.cpp

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  40
  41 #include "wlcompositor.h"
  42
  43 #include "waylandinput.h"
  44 #include "wldisplay.h"
  45 #include "wlshmbuffer.h"
  46 #include "wlsurface.h"
  47 #include "waylandcompositor.h"
  48 #include "wldatadevicemanager.h"
  49 #include "wldatadevice.h"
  50 #include "wlextendedoutput.h"
  51 #include "wlextendedsurface.h"
  52 #include "wlsubsurface.h"
  53 #include "wlshellsurface.h"
  54 #include "wltouch.h"
  55 #include "wlinputdevice.h"
  56
  57 #include <QWindow>
  58 #include <QSocketNotifier>
  59 #include <QDebug>
  60
  61 #include <stdio.h>
  62 #include <stdlib.h>
  63 #include <string.h>
  64 #include <stddef.h>
  65 #include <errno.h>
  66 #include <fcntl.h>
  67 #include <unistd.h>
  68
  69 #include <sys/mman.h>
  70 #include <sys/select.h>
  71 #include <sys/time.h>
  72
  73 #include <wayland-server.h>
  74
  75 #include "hardware_integration/graphicshardwareintegration.h"
  76 #include "waylandwindowmanagerintegration.h"
  77
  78 namespace Wayland {
  79
  80 static Compositor *compositor;
  81
  82 void compositor_create_surface(struct wl_client *client,
  83                                struct wl_resource *resource, uint32_t id)
  84 {
  85      static_cast<Compositor *>(resource->data)->createSurface(client,id);
  86 }
  87
  88 const static struct wl_compositor_interface compositor_interface = {
  89     compositor_create_surface
  90 };
  91
  92 void Compositor::bind_func(struct wl_client *client, void *data,
  93                       uint32_t version, uint32_t id)
  94 {
  95     Q_UNUSED(version);
  96     wl_client_add_object(client,&wl_compositor_interface, &compositor_interface, id,data);
  97 }
  98
  99
 100 Compositor *Compositor::instance()
 101 {
 102     return compositor;
 103 }
 104
 105 Compositor::Compositor(WaylandCompositor *qt_compositor)
 106     : m_display(new Display)
 107     , m_default_input_device(0)
 108     , m_shm(m_display)
 109     , m_current_frame(0)
 110     , m_last_queued_buf(-1)
 111     , m_qt_compositor(qt_compositor)
 112     , m_orientation(Qt::PrimaryOrientation)
 113     , m_directRenderSurface(0)
 114 #if defined (QT_COMPOSITOR_WAYLAND_GL)
 115     , m_graphics_hw_integration(0)
 116 #endif
 117     , m_outputExtension(0)
 118     , m_surfaceExtension(0)
 119     , m_subSurfaceExtension(0)
 120     , m_touchExtension(0)
 121     , m_retainNotify(0)
 122 {
 123     compositor = this;
 124     qDebug() << "Compositor instance is" << this;
 125
 126 #if defined (QT_COMPOSITOR_WAYLAND_GL)
 127     QWindow *window = qt_compositor->window();
 128     if (window && window->surfaceType() != QWindow::RasterSurface)
 129         m_graphics_hw_integration = GraphicsHardwareIntegration::createGraphicsHardwareIntegration(qt_compositor);
 130 #endif
 131     m_windowManagerIntegration = new WindowManagerServerIntegration(this);
 132
 133     wl_display_add_global(m_display->handle(),&wl_compositor_interface,this,Compositor::bind_func);
 134
 135     m_data_device_manager =  new DataDeviceManager(this);
 136
 137     wl_display_add_global(m_display->handle(),&wl_output_interface, &m_output_global,OutputGlobal::output_bind_func);
 138
 139     m_shell = new Shell();
 140     wl_display_add_global(m_display->handle(), &wl_shell_interface, m_shell, Shell::bind_func);
 141
 142     m_outputExtension = new OutputExtensionGlobal(this);
 143     m_surfaceExtension = new SurfaceExtensionGlobal(this);
 144
 145     if (wl_display_add_socket(m_display->handle(), qt_compositor->socketName())) {
 146         fprintf(stderr, "Fatal: Failed to open server socket\n");
 147         exit(EXIT_FAILURE);
 148     }
 149
 150     m_loop = wl_display_get_event_loop(m_display->handle());
 151
 152     int fd = wl_event_loop_get_fd(m_loop);
 153
 154     QSocketNotifier *sockNot = new QSocketNotifier(fd, QSocketNotifier::Read, this);
 155     connect(sockNot, SIGNAL(activated(int)), this, SLOT(processWaylandEvents()));
 156
 157     //initialize distancefieldglyphcache here
 158 }
 159
 160 Compositor::~Compositor()
 161 {
 162     delete m_shell;
 163     delete m_outputExtension;
 164     delete m_surfaceExtension;
 165     delete m_subSurfaceExtension;
 166     delete m_touchExtension;
 167
 168     delete m_default_wayland_input_device;
 169     delete m_data_device_manager;
 170
 171 #ifdef QT_COMPOSITOR_WAYLAND_GL
 172     delete m_graphics_hw_integration;
 173 #endif
 174
 175     delete m_display;
 176 }
 177
 178 void Compositor::frameFinished(Surface *surface)
 179 {
 180     if (surface && m_dirty_surfaces.contains(surface)) {
 181         m_dirty_surfaces.remove(surface);
 182         surface->sendFrameCallback();
 183     } else if (!surface) {
 184         QSet<Surface *> dirty = m_dirty_surfaces;
 185         m_dirty_surfaces.clear();
 186         foreach (Surface *surface, dirty)
 187             surface->sendFrameCallback();
 188     }
 189 }
 190
 191 void Compositor::createSurface(struct wl_client *client, uint32_t id)
 192 {
 193     Surface *surface = new Surface(client,id, this);
 194     printf("Compositor::createSurface: %p %d\n", client, id);
 195
 196     m_surfaces << surface;
 197
 198     m_qt_compositor->surfaceCreated(surface->waylandSurface());
 199 }
 200
 201 struct wl_client *Compositor::getClientFromWinId(uint winId) const
 202 {
 203     Surface *surface = getSurfaceFromWinId(winId);
 204     if (surface)
 205         return surface->base()->resource.client;
 206
 207     return 0;
 208 }
 209
 210 Surface *Compositor::getSurfaceFromWinId(uint winId) const
 211 {
 212     foreach (Surface *surface, m_surfaces) {
 213         if (surface->id() == winId)
 214             return surface;
 215     }
 216
 217     return 0;
 218 }
 219
 220 QImage Compositor::image(uint winId) const
 221 {
 222     printf("Compositor::image(%x)\n", winId);
 223     foreach (Surface *surface, m_surfaces) {
 224         if (surface->id() == winId) {
 225             return surface->image();
 226         }
 227     }
 228
 229     return QImage();
 230 }
 231
 232 uint Compositor::currentTimeMsecs()
 233 {
 234     //### we throw away the time information
 235     struct timeval tv;
 236     int ret = gettimeofday(&tv, 0);
 237     if (ret == 0)
 238         return tv.tv_sec*1000 + tv.tv_usec/1000;
 239     return 0;
 240 }
 241
 242 void Compositor::releaseBuffer(void *bufferHandle)
 243 {
 244     struct wl_buffer *buffer = static_cast<struct wl_buffer*>(bufferHandle);
 245     if (buffer) {
 246         //qDebug() << "WL_BUFFER_RELEASE" << buffer<< buffer->resource.client;
 247         wl_resource_post_event(&buffer->resource, WL_BUFFER_RELEASE);
 248     }
 249
 250 }
 251
 252 void Compositor::processWaylandEvents()
 253 {
 254     int ret = wl_event_loop_dispatch(m_loop, 0);
 255     if (ret)
 256         fprintf(stderr, "wl_event_loop_dispatch error: %d\n", ret);
 257 }
 258
 259 void Compositor::surfaceDestroyed(Surface *surface)
 260 {
 261     if (defaultInputDevice()->mouseFocus() == surface)
 262         defaultInputDevice()->setMouseFocus(0, QPoint(), QPoint());
 263     m_surfaces.removeOne(surface);
 264     m_dirty_surfaces.remove(surface);
 265     if (m_directRenderSurface == surface)
 266         setDirectRenderSurface(0);
 267     waylandCompositor()->surfaceAboutToBeDestroyed(surface->waylandSurface());
 268 }
 269
 270 void Compositor::markSurfaceAsDirty(Wayland::Surface *surface)
 271 {
 272     m_dirty_surfaces.insert(surface);
 273 }
 274
 275 void Compositor::destroyClientForSurface(Surface *surface)
 276 {
 277     wl_client *client = surface->base()->resource.client;
 278
 279     if (client) {
 280         m_windowManagerIntegration->removeClient(client);
 281         wl_client_destroy(client);
 282     }
 283 }
 284
 285 QWindow *Compositor::window() const
 286 {
 287     return m_qt_compositor->window();
 288 }
 289
 290 GraphicsHardwareIntegration * Compositor::graphicsHWIntegration() const
 291 {
 292 #ifdef QT_COMPOSITOR_WAYLAND_GL
 293     return m_graphics_hw_integration;
 294 #else
 295     return 0;
 296 #endif
 297 }
 298
 299 void Compositor::initializeHardwareIntegration()
 300 {
 301 #ifdef QT_COMPOSITOR_WAYLAND_GL
 302     if (m_graphics_hw_integration)
 303         m_graphics_hw_integration->initializeHardware(m_display);
 304 #endif
 305 }
 306
 307 void Compositor::initializeDefaultInputDevice()
 308 {
 309     m_default_wayland_input_device = new WaylandInputDevice(m_qt_compositor);
 310     m_default_input_device = m_default_wayland_input_device->handle();
 311 }
 312
 313 void Compositor::initializeWindowManagerProtocol()
 314 {
 315     m_windowManagerIntegration->initialize(m_display);
 316 }
 317
 318 void Compositor::enableSubSurfaceExtension()
 319 {
 320     if (!m_subSurfaceExtension) {
 321         m_subSurfaceExtension = new SubSurfaceExtensionGlobal(this);
 322     }
 323 }
 324
 325 bool Compositor::setDirectRenderSurface(Surface *surface)
 326 {
 327 #ifdef QT_COMPOSITOR_WAYLAND_GL
 328     if (m_graphics_hw_integration && m_graphics_hw_integration->setDirectRenderSurface(surface ? surface->waylandSurface() : 0)) {
 329         m_directRenderSurface = surface;
 330         return true;
 331     }
 332 #else
 333     Q_UNUSED(surface);
 334 #endif
 335     return false;
 336 }
 337
 338 QList<struct wl_client *> Compositor::clients() const
 339 {
 340     QList<struct wl_client *> list;
 341     foreach (Surface *surface, m_surfaces) {
 342         struct wl_client *client = surface->base()->resource.client;
 343         if (!list.contains(client))
 344             list.append(client);
 345     }
 346     return list;
 347 }
 348
 349 void Compositor::setScreenOrientation(Qt::ScreenOrientation orientation)
 350 {
 351     m_orientation = orientation;
 352
 353     QList<struct wl_client*> clientList = clients();
 354     for (int i = 0; i < clientList.length(); ++i) {
 355         struct wl_client *client = clientList.at(i);
 356         Output *output = m_output_global.outputForClient(client);
 357         Q_ASSERT(output);
 358         if (output->extendedOutput()){
 359             output->extendedOutput()->sendOutputOrientation(orientation);
 360         }
 361     }
 362 }
 363
 364 Qt::ScreenOrientation Compositor::screenOrientation() const
 365 {
 366     return m_orientation;
 367 }
 368
 369 void Compositor::setOutputGeometry(const QRect &geometry)
 370 {
 371     m_output_global.setGeometry(geometry);
 372 }
 373
 374 QRect Compositor::outputGeometry() const
 375 {
 376     return m_output_global.geometry();
 377 }
 378
 379 InputDevice* Compositor::defaultInputDevice()
 380 {
 381     return m_default_input_device;
 382 }
 383
 384 QList<Wayland::Surface *> Compositor::surfacesForClient(wl_client *client)
 385 {
 386     QList<Wayland::Surface *> ret;
 387
 388     for (int i=0; i < m_surfaces.count(); ++i) {
 389         if (m_surfaces.at(i)->base()->resource.client == client) {
 390             ret.append(m_surfaces.at(i));
 391         }
 392     }
 393     return ret;
 394 }
 395
 396 void Compositor::enableTouchExtension()
 397 {
 398     if (!m_touchExtension) {
 399         m_touchExtension = new TouchExtensionGlobal(this);
 400     }
 401 }
 402
 403 void Compositor::configureTouchExtension(int flags)
 404 {
 405     if (m_touchExtension)
 406         m_touchExtension->setFlags(flags);
 407 }
 408
 409 void Compositor::setRetainedSelectionWatcher(RetainedSelectionFunc func, void *param)
 410 {
 411     m_retainNotify = func;
 412     m_retainNotifyParam = param;
 413 }
 414
 415 bool Compositor::wantsRetainedSelection() const
 416 {
 417     return m_retainNotify != 0;
 418 }
 419
 420 void Compositor::feedRetainedSelectionData(QMimeData *data)
 421 {
 422     if (m_retainNotify) {
 423         m_retainNotify(data, m_retainNotifyParam);
 424     }
 425 }
 426
 427 void Compositor::overrideSelection(QMimeData *data)
 428 {
 429     m_data_device_manager->overrideSelection(*data);
 430 }
 431
 432 bool Compositor::isDragging() const
 433 {
 434     return false;
 435 }
 436
 437 void Compositor::sendDragMoveEvent(const QPoint &global, const QPoint &local,
 438                                             Surface *surface)
 439 {
 440     Q_UNUSED(global);
 441     Q_UNUSED(local);
 442     Q_UNUSED(surface);
 443 //    Drag::instance()->dragMove(global, local, surface);
 444 }
 445
 446 void Compositor::sendDragEndEvent()
 447 {
 448 //    Drag::instance()->dragEnd();
 449 }
 450
 451 } // namespace Wayland