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 "wlsurface.h"
  46 #include "waylandcompositor.h"
  47 #include "wldatadevicemanager.h"
  48 #include "wldatadevice.h"
  49 #include "wlextendedoutput.h"
  50 #include "wlextendedsurface.h"
  51 #include "wlsubsurface.h"
  52 #include "wlshellsurface.h"
  53 #include "wltouch.h"
  54 #include "wlqtkey.h"
  55 #include "wlinputdevice.h"
  56 #include "wlregion.h"
  57
  58 #include <QWindow>
  59 #include <QSocketNotifier>
  60 #include <QScreen>
  61 #include <qpa/qplatformscreen.h>
  62 #include <QGuiApplication>
  63 #include <qpa/qplatformscreenpageflipper.h>
  64 #include <QDebug>
  65
  66 #include <stdio.h>
  67 #include <stdlib.h>
  68 #include <string.h>
  69 #include <stddef.h>
  70 #include <errno.h>
  71 #include <fcntl.h>
  72 #include <unistd.h>
  73
  74 #include <sys/mman.h>
  75 #include <sys/select.h>
  76 #include <sys/time.h>
  77
  78 #include <wayland-server.h>
  79
  80 #include "hardware_integration/graphicshardwareintegration.h"
  81 #include "waylandwindowmanagerintegration.h"
  82
  83 namespace Wayland {
  84
  85 static Compositor *compositor;
  86
  87 void compositor_create_surface(struct wl_client *client,
  88                                struct wl_resource *resource, uint32_t id)
  89 {
  90      static_cast<Compositor *>(resource->data)->createSurface(client,id);
  91 }
  92
  93 void compositor_create_region(struct wl_client *client,
  94                               struct wl_resource *compositor, uint32_t id)
  95 {
  96     Q_UNUSED(compositor);
  97     new Region(client, id);
  98 }
  99
 100 const static struct wl_compositor_interface compositor_interface = {
 101     compositor_create_surface,
 102     compositor_create_region
 103 };
 104
 105 void Compositor::bind_func(struct wl_client *client, void *data,
 106                       uint32_t version, uint32_t id)
 107 {
 108     Q_UNUSED(version);
 109     wl_client_add_object(client,&wl_compositor_interface, &compositor_interface, id,data);
 110 }
 111
 112
 113 Compositor *Compositor::instance()
 114 {
 115     return compositor;
 116 }
 117
 118 Compositor::Compositor(WaylandCompositor *qt_compositor)
 119     : m_display(new Display)
 120     , m_default_input_device(0)
 121     , m_pageFlipper(0)
 122     , m_current_frame(0)
 123     , m_last_queued_buf(-1)
 124     , m_qt_compositor(qt_compositor)
 125     , m_orientation(Qt::PrimaryOrientation)
 126     , m_directRenderSurface(0)
 127     , m_directRenderContext(0)
 128 #if defined (QT_COMPOSITOR_WAYLAND_GL)
 129     , m_graphics_hw_integration(0)
 130 #endif
 131     , m_outputExtension(0)
 132     , m_surfaceExtension(0)
 133     , m_subSurfaceExtension(0)
 134     , m_touchExtension(0)
 135     , m_retainNotify(0)
 136 {
 137     compositor = this;
 138
 139 #if defined (QT_COMPOSITOR_WAYLAND_GL)
 140     QWindow *window = qt_compositor->window();
 141     if (window && window->surfaceType() != QWindow::RasterSurface)
 142         m_graphics_hw_integration = GraphicsHardwareIntegration::createGraphicsHardwareIntegration(qt_compositor);
 143 #endif
 144     m_windowManagerIntegration = new WindowManagerServerIntegration(qt_compositor, this);
 145
 146     wl_display_add_global(m_display->handle(),&wl_compositor_interface,this,Compositor::bind_func);
 147
 148     m_data_device_manager =  new DataDeviceManager(this);
 149
 150     wl_display_add_global(m_display->handle(),&wl_output_interface, &m_output_global,OutputGlobal::output_bind_func);
 151
 152     m_shell = new Shell();
 153     wl_display_add_global(m_display->handle(), &wl_shell_interface, m_shell, Shell::bind_func);
 154
 155     wl_display_init_shm(m_display->handle());
 156
 157     m_outputExtension = new OutputExtensionGlobal(this);
 158     m_surfaceExtension = new SurfaceExtensionGlobal(this);
 159     m_qtkeyExtension = new QtKeyExtensionGlobal(this);
 160     m_touchExtension = new TouchExtensionGlobal(this);
 161
 162     if (wl_display_add_socket(m_display->handle(), qt_compositor->socketName())) {
 163         fprintf(stderr, "Fatal: Failed to open server socket\n");
 164         exit(EXIT_FAILURE);
 165     }
 166
 167     m_loop = wl_display_get_event_loop(m_display->handle());
 168
 169     int fd = wl_event_loop_get_fd(m_loop);
 170
 171     QSocketNotifier *sockNot = new QSocketNotifier(fd, QSocketNotifier::Read, this);
 172     connect(sockNot, SIGNAL(activated(int)), this, SLOT(processWaylandEvents()));
 173
 174     qRegisterMetaType<SurfaceBuffer*>("SurfaceBuffer*");
 175     //initialize distancefieldglyphcache here
 176 }
 177
 178 Compositor::~Compositor()
 179 {
 180     delete m_shell;
 181     delete m_outputExtension;
 182     delete m_surfaceExtension;
 183     delete m_subSurfaceExtension;
 184     delete m_touchExtension;
 185     delete m_qtkeyExtension;
 186
 187     delete m_default_wayland_input_device;
 188     delete m_data_device_manager;
 189
 190 #ifdef QT_COMPOSITOR_WAYLAND_GL
 191     delete m_graphics_hw_integration;
 192 #endif
 193
 194     delete m_display;
 195 }
 196
 197 void Compositor::frameFinished(Surface *surface)
 198 {
 199     if (surface && m_dirty_surfaces.contains(surface)) {
 200         m_dirty_surfaces.remove(surface);
 201         surface->sendFrameCallback();
 202     } else if (!surface) {
 203         QSet<Surface *> dirty = m_dirty_surfaces;
 204         m_dirty_surfaces.clear();
 205         foreach (Surface *surface, dirty)
 206             surface->sendFrameCallback();
 207     }
 208 }
 209
 210 void Compositor::createSurface(struct wl_client *client, uint32_t id)
 211 {
 212     Surface *surface = new Surface(client,id, this);
 213
 214     m_surfaces << surface;
 215
 216     m_qt_compositor->surfaceCreated(surface->waylandSurface());
 217 }
 218
 219 struct wl_client *Compositor::getClientFromWinId(uint winId) const
 220 {
 221     Surface *surface = getSurfaceFromWinId(winId);
 222     if (surface)
 223         return surface->base()->resource.client;
 224
 225     return 0;
 226 }
 227
 228 Surface *Compositor::getSurfaceFromWinId(uint winId) const
 229 {
 230     foreach (Surface *surface, m_surfaces) {
 231         if (surface->id() == winId)
 232             return surface;
 233     }
 234
 235     return 0;
 236 }
 237
 238 QImage Compositor::image(uint winId) const
 239 {
 240     foreach (Surface *surface, m_surfaces) {
 241         if (surface->id() == winId) {
 242             return surface->image();
 243         }
 244     }
 245
 246     return QImage();
 247 }
 248
 249 uint Compositor::currentTimeMsecs()
 250 {
 251     //### we throw away the time information
 252     struct timeval tv;
 253     int ret = gettimeofday(&tv, 0);
 254     if (ret == 0)
 255         return tv.tv_sec*1000 + tv.tv_usec/1000;
 256     return 0;
 257 }
 258
 259 void Compositor::releaseBuffer(SurfaceBuffer *screenBuffer)
 260 {
 261     screenBuffer->scheduledRelease();
 262 }
 263
 264 void Compositor::processWaylandEvents()
 265 {
 266     int ret = wl_event_loop_dispatch(m_loop, 0);
 267     if (ret)
 268         fprintf(stderr, "wl_event_loop_dispatch error: %d\n", ret);
 269 }
 270
 271 void Compositor::surfaceDestroyed(Surface *surface)
 272 {
 273     if (defaultInputDevice()->mouseFocus() == surface)
 274         defaultInputDevice()->setMouseFocus(0, QPoint(), QPoint());
 275     m_surfaces.removeOne(surface);
 276     m_dirty_surfaces.remove(surface);
 277     if (m_directRenderSurface == surface)
 278         setDirectRenderSurface(0, 0);
 279     waylandCompositor()->surfaceAboutToBeDestroyed(surface->waylandSurface());
 280 }
 281
 282 void Compositor::markSurfaceAsDirty(Wayland::Surface *surface)
 283 {
 284     m_dirty_surfaces.insert(surface);
 285 }
 286
 287 void Compositor::destroyClient(WaylandClient *c)
 288 {
 289     wl_client *client = static_cast<wl_client *>(c);
 290     if (client) {
 291         m_windowManagerIntegration->removeClient(client);
 292         wl_client_destroy(client);
 293     }
 294 }
 295
 296 QWindow *Compositor::window() const
 297 {
 298     return m_qt_compositor->window();
 299 }
 300
 301 GraphicsHardwareIntegration * Compositor::graphicsHWIntegration() const
 302 {
 303 #ifdef QT_COMPOSITOR_WAYLAND_GL
 304     return m_graphics_hw_integration;
 305 #else
 306     return 0;
 307 #endif
 308 }
 309
 310 void Compositor::initializeHardwareIntegration()
 311 {
 312 #ifdef QT_COMPOSITOR_WAYLAND_GL
 313     if (m_graphics_hw_integration)
 314         m_graphics_hw_integration->initializeHardware(m_display);
 315 #endif
 316 }
 317
 318 void Compositor::initializeDefaultInputDevice()
 319 {
 320     m_default_wayland_input_device = new WaylandInputDevice(m_qt_compositor);
 321     m_default_input_device = m_default_wayland_input_device->handle();
 322 }
 323
 324 void Compositor::initializeWindowManagerProtocol()
 325 {
 326     m_windowManagerIntegration->initialize(m_display);
 327 }
 328
 329 void Compositor::enableSubSurfaceExtension()
 330 {
 331     if (!m_subSurfaceExtension) {
 332         m_subSurfaceExtension = new SubSurfaceExtensionGlobal(this);
 333     }
 334 }
 335
 336 bool Compositor::setDirectRenderSurface(Surface *surface, QOpenGLContext *context)
 337 {
 338 #ifdef QT_COMPOSITOR_WAYLAND_GL
 339     if (!m_pageFlipper) {
 340         m_pageFlipper = QGuiApplication::primaryScreen()->handle()->pageFlipper();
 341     }
 342
 343     if (m_graphics_hw_integration && m_graphics_hw_integration->setDirectRenderSurface(surface ? surface->waylandSurface() : 0)) {
 344         m_directRenderSurface = surface;
 345         m_directRenderContext = context;
 346         return true;
 347     }
 348 #else
 349     Q_UNUSED(surface);
 350 #endif
 351     return false;
 352 }
 353
 354 QList<struct wl_client *> Compositor::clients() const
 355 {
 356     QList<struct wl_client *> list;
 357     foreach (Surface *surface, m_surfaces) {
 358         struct wl_client *client = surface->base()->resource.client;
 359         if (!list.contains(client))
 360             list.append(client);
 361     }
 362     return list;
 363 }
 364
 365 void Compositor::setScreenOrientation(Qt::ScreenOrientation orientation)
 366 {
 367     m_orientation = orientation;
 368
 369     QList<struct wl_client*> clientList = clients();
 370     for (int i = 0; i < clientList.length(); ++i) {
 371         struct wl_client *client = clientList.at(i);
 372         Output *output = m_output_global.outputForClient(client);
 373         Q_ASSERT(output);
 374         if (output->extendedOutput()){
 375             output->extendedOutput()->sendOutputOrientation(orientation);
 376         }
 377     }
 378 }
 379
 380 Qt::ScreenOrientation Compositor::screenOrientation() const
 381 {
 382     return m_orientation;
 383 }
 384
 385 void Compositor::setOutputGeometry(const QRect &geometry)
 386 {
 387     m_output_global.setGeometry(geometry);
 388 }
 389
 390 QRect Compositor::outputGeometry() const
 391 {
 392     return m_output_global.geometry();
 393 }
 394
 395 void Compositor::setClientFullScreenHint(bool value)
 396 {
 397     m_windowManagerIntegration->setShowIsFullScreen(value);
 398 }
 399
 400 InputDevice* Compositor::defaultInputDevice()
 401 {
 402     return m_default_input_device;
 403 }
 404
 405 QList<Wayland::Surface *> Compositor::surfacesForClient(wl_client *client)
 406 {
 407     QList<Wayland::Surface *> ret;
 408
 409     for (int i=0; i < m_surfaces.count(); ++i) {
 410         if (m_surfaces.at(i)->base()->resource.client == client) {
 411             ret.append(m_surfaces.at(i));
 412         }
 413     }
 414     return ret;
 415 }
 416
 417 void Compositor::configureTouchExtension(int flags)
 418 {
 419     if (m_touchExtension)
 420         m_touchExtension->setFlags(flags);
 421 }
 422
 423 void Compositor::setRetainedSelectionWatcher(RetainedSelectionFunc func, void *param)
 424 {
 425     m_retainNotify = func;
 426     m_retainNotifyParam = param;
 427 }
 428
 429 bool Compositor::wantsRetainedSelection() const
 430 {
 431     return m_retainNotify != 0;
 432 }
 433
 434 void Compositor::feedRetainedSelectionData(QMimeData *data)
 435 {
 436     if (m_retainNotify) {
 437         m_retainNotify(data, m_retainNotifyParam);
 438     }
 439 }
 440
 441 void Compositor::scheduleReleaseBuffer(SurfaceBuffer *screenBuffer)
 442 {
 443     QMetaObject::invokeMethod(this,"releaseBuffer",Q_ARG(SurfaceBuffer*,screenBuffer));
 444 }
 445
 446 void Compositor::overrideSelection(QMimeData *data)
 447 {
 448     m_data_device_manager->overrideSelection(*data);
 449 }
 450
 451 bool Compositor::isDragging() const
 452 {
 453     return false;
 454 }
 455
 456 void Compositor::sendDragMoveEvent(const QPoint &global, const QPoint &local,
 457                                             Surface *surface)
 458 {
 459     Q_UNUSED(global);
 460     Q_UNUSED(local);
 461     Q_UNUSED(surface);
 462 //    Drag::instance()->dragMove(global, local, surface);
 463 }
 464
 465 void Compositor::sendDragEndEvent()
 466 {
 467 //    Drag::instance()->dragEnd();
 468 }
 469
 470 } // namespace Wayland