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84 lines
2.7 KiB
C++
84 lines
2.7 KiB
C++
// NeL - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
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// Copyright (C) 2010 Winch Gate Property Limited
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as
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// published by the Free Software Foundation, either version 3 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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#ifndef NL_INPUT_DEVICE_SERVER_H
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#define NL_INPUT_DEVICE_SERVER_H
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#include "types_nl.h"
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#include <vector>
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namespace NLMISC
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{
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class CEventServer;
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struct IInputDevice;
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struct IInputDeviceEvent;
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/** Base class for an input device server. Unlike an event server, it manages several devices, and can sort their events (by date for example).
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* It keeps a list of active devices.
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* It can poll datas from every active device.
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* It can sort devices messages to submit them in correct order to a CEventServer.
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*/
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class CInputDeviceServer
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{
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public:
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/// register a device into this device server.
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void registerDevice(IInputDevice *device);
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/// remove a device from this server (but does not delete it).
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void removeDevice(IInputDevice *device);
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// returns the number of registered devices
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uint getNumDevices() const { return (uint)_Devices.size(); }
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// return a device
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IInputDevice *getDevice(uint index) { return _Devices[index]; }
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/// Test whether the given device is handled by this server.
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bool isDevice(IInputDevice *device) const;
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/// Retrieve datas from the devices, and submit them to the given CEventServer.
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void poll(CEventServer *server);
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/// Allow an input device to register an event. The event will then be deleted by this server
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void submitEvent(IInputDeviceEvent *deviceEvent);
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// dtor
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virtual ~CInputDeviceServer() {}
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private:
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typedef std::vector<IInputDevice *> TDeviceCont;
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typedef std::vector<IInputDeviceEvent *> TEventCont;
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private:
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TDeviceCont _Devices;
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TEventCont _Events;
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};
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/** An event from an input device.
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*/
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struct IInputDeviceEvent
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{
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IInputDevice *Emitter; // the input device that emitted that event
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// Used to sort events by time stamp.
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virtual bool operator < (const IInputDeviceEvent &IInputDeviceEvent) const = 0;
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virtual ~IInputDeviceEvent() {}
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};
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} // NLMISC
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#endif // NL_INPUT_DEVICE_SERVER_H
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/* End of input_device_server.h */
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