void IGraphicsItem::onHoverEnterEvent(QGraphicsSceneHoverEvent *) { hovered_ = true; if(item_->isSelected()) { setupGrabbers(); } }
void IGraphicsItem::onItemChange(QGraphicsItem::GraphicsItemChange change, const QVariant &value) { if(change == QGraphicsItem::ItemSelectedHasChanged) { if(item_->isSelected() && hovered_) { setupGrabbers(); } } emit itemChanged(change, value); }
// ###################################################################### int submain(const int argc, const char** argv) { // catch signals and redirect them for a clean exit (in particular, this gives us a chance to do useful things like // flush and close output files that would otherwise be left in a bogus state, like mpeg output files): catchsignals(&signum); LINFO("#############################################STARTING##############################################"); ModelManager mgr("App Scorbot MultiGrab"); scorbot.reset(new ScorbotSimple(mgr)); mgr.addSubComponent(scorbot); setupGrabbers(mgr); ofs.reset(new OutputFrameSeries(mgr)); mgr.addSubComponent(ofs); if(mgr.parseCommandLine(argc, argv, "FilePrefix SceneID", 2, 2) == false) return -1; mgr.start(); if (grabbers.size() < NUMCAMS) LFATAL("Only found %" ZU " cameras instead of %d. Reboot your machine and try again.", grabbers.size(), NUMCAMS); // get our grabbers to start grabbing: for (size_t cameraID = 0; cameraID < grabbers.size(); ++cameraID) grabberThreadServer.enqueueJob(rutz::make_shared(new GrabJob(cameraID))); sceneDir = mgr.getExtraArg(0); sceneID = boost::lexical_cast<int>(mgr.getExtraArg(1)); pthread_t displayThread; pthread_create(&displayThread, NULL, &displayThreadMethod, NULL); // Create the interactive window userInteractiveWindow = new XWinManaged(Dims(640,480), -1, -1, "User Interactive"); userInteractiveWindow->setVisible(false); userInteractiveWindow->setPosition(0, 0); // Main loop: int runnumber = 0; while(true) { if(signum != 0) break; // home the robot once in a while: if ((runnumber % 5) == 0) { int gogo = 0; getInt("Perform robot homing sequence and press ENTER", gogo); } // select the scene: getInt("Enter scene ID (-1 to exit):", sceneID); if (sceneID == -1) break; // abort on scene -1 // STEP 1. Load the scene file SceneSetup setup = loadSceneSetup(sceneID); // STEP 2. Show the interactive window: userInteractiveWindow->setVisible(true); // STEP 3. Display background image and ask the user to place it on the scene Image< PixRGB<byte> > backgroundImage = Raster::ReadRGB(setup.setupPath + "/" + setup.backgroundFileName); backgroundImage = rescale(backgroundImage, Dims(640, 480)); writeText(backgroundImage, Point2D<int>(0, 0), "Please place this background on the scene and press ENTER."); userInteractiveWindow->drawImage(backgroundImage, 0, 0, true); LINFO("Place background map on scene and add houses, trees, and other background objects. See User Interactive window for instructions..."); // eat all previous mouse clicks and key presses, just in case: while (userInteractiveWindow->getLastMouseClick() != Point2D<int>(-1, -1)) { } while (userInteractiveWindow->getLastKeyPress() != -1) { } // wait for ENTER: while(userInteractiveWindow->getLastKeyPress() != 36) usleep(100000); LINFO("Background map done. Make sure you have built a nice scene."); // STEP 4. Display each object and ask user to put on the scene and specify its bounding box for (size_t i = 0; i < setup.objects.size(); ++i) setup.objects[i].outline = promptPlaceObjectOnScene(setup, i); // STEP 5. Hide the interactive window userInteractiveWindow->setVisible(false); // STEP 6. Write out outlines to a file { std::string objectFileName = sformat("%s/RobotScene-s%04d-polygons.txt", dataDir, sceneID); std::ofstream objectFile(objectFileName.c_str()); LINFO("Saving the object bounding boxes into: %s", objectFileName.c_str()); for(size_t i=0; i<setup.objects.size(); ++i) { for(size_t j=0; j<setup.objects[i].outline.size(); ++j) { Point2D<int> &pnt = setup.objects[i].outline[j]; if(j != 0) objectFile << ','; objectFile << pnt.i << ',' << pnt.j; } objectFile << std::endl; } } // STEP 7. Execute the path and record the videos for (pathID = 0; pathID < int(setup.pathIndex.size()); ++pathID) { if(signum != 0) break; // create a directory for this scene / light: const std::string dir = sformat("%s/RobotScene-s%04d-p%02d", dataDir, sceneID, pathID); const std::string cmd = sformat("/bin/mkdir -p %s", dir.c_str()); if (system(cmd.c_str()) == -1) PLFATAL("Could not create directory %s", dir.c_str()); int gogo = pathID; getInt("Set light and press ENTER to start video recording", gogo); // make sure we don't have too many pending disk writes: while(writer.size() > 1000) { LINFO("Waiting for image writer thread, queue size = %" ZU "...", writer.size()); usleep(1000000); } LINFO("Running Scene %04d Path %02d ...", sceneID, setup.pathIndex[pathID]); executePath(setup.pathIndex[pathID]); } if(signum != 0) break; // STEP 8. Instruct users to place the objects back into the bins userInteractiveWindow->setVisible(true); userInteractiveWindow->setPosition(0, 0); for(size_t i=0; i<setup.objects.size(); ++i) promptReturnObjectToTray(setup, i); userInteractiveWindow->setVisible(false); // STEP 9. Ready for next scene ++sceneID; ++runnumber; } // stop grabbing: keepgoing = false; // wait for all pics to be written (note: this just waits until the queue of pending jobs is empty, the writer's // destructor will wait until all jobs are complete): while(writer.size()) { LINFO("Waiting for image writer thread, queue size = %" ZU "...", writer.size()); usleep(500000); } writer.flushQueue(250000, true); // make sure all is done LINFO("Cleaning up... Stand by..."); usleep(2000000); // stop all our ModelComponents mgr.stop(); LINFO("Finished."); return 0; }