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Documentation                       Search   input_device_server.cpp Go to the documentation of this file. /* Copyright, 2000-2002 Nevrax Ltd. * * This file is part of NEVRAX NEL. * NEVRAX NEL is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2, or (at your option) * any later version. * NEVRAX NEL is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * You should have received a copy of the GNU General Public License * along with NEVRAX NEL; see the file COPYING. If not, write to the * Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, * MA 02111-1307, USA. */ #include "stdmisc.h" #include "nel/misc/input_device_server.h" #include "nel/misc/input_device.h" namespace NLMISC { //======================================================================= void CInputDeviceServer::registerDevice(IInputDevice *device) { nlassert(!isDevice(device)); _Devices.push_back(device); } //======================================================================= void CInputDeviceServer::removeDevice(IInputDevice *device) { TDeviceCont::iterator it = std::find(_Devices.begin(), _Devices.end(), device); nlassert(it != _Devices.end()); _Devices.erase(it); } //======================================================================= bool CInputDeviceServer::isDevice(IInputDevice *device) const { TDeviceCont::const_iterator it = std::find(_Devices.begin(), _Devices.end(), device); return it != _Devices.end(); } //======================================================================= // Predicate to compare vents dates struct CInputDeviceEventLess { bool operator()(const IInputDeviceEvent *lhs, const IInputDeviceEvent *rhs) const { return *lhs < *rhs; } }; //======================================================================= void CInputDeviceServer::poll(CEventServer *server) { nlassert(_Events.empty()); TDeviceCont::iterator deviceIt; for (deviceIt = _Devices.begin(); deviceIt != _Devices.end(); ++deviceIt) { (*deviceIt)->begin(server); (*deviceIt)->poll(this); } // Sort the messages to get the right dates. std::sort(_Events.begin(), _Events.end(), CInputDeviceEventLess()); // submit the result to the server IInputDevice *lastVisitedDevice = NULL; TEventCont::iterator eventIt; for (eventIt = _Events.begin(); eventIt != _Events.end(); ++eventIt) { // see if this message is from a previous device then the last we visited. if (lastVisitedDevice && (*eventIt)->Emitter != lastVisitedDevice) { // yes, tells that a transition occured lastVisitedDevice->transitionOccured(server, *eventIt); lastVisitedDevice = (*eventIt)->Emitter; } nlassert((*eventIt)->Emitter != NULL); (*eventIt)->Emitter->submit(*eventIt, server); } // for (deviceIt = _Devices.begin(); deviceIt != _Devices.end(); ++deviceIt) { (*deviceIt)->transitionOccured(server, NULL); } // delete the messages for (eventIt = _Events.begin(); eventIt != _Events.end(); ++eventIt) { delete *eventIt; } // _Events.clear(); } //======================================================================= void CInputDeviceServer::submitEvent(IInputDeviceEvent *deviceEvent) { _Events.push_back(deviceEvent); } } // NLMISC