Home

nevrax.com

Nevrax.org News Mailing-list Documentation CVS Bugs License

Documentation                       Search   di_event_emitter.h 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. */ #ifndef NL_DI_EVENT_EMITTER_H #define NL_DI_EVENT_EMITTER_H #include "nel/misc/types_nl.h" #ifdef NL_OS_WINDOWS #define DIRECTINPUT_VERSION 0x0800 #include "nel/misc/input_device_server.h" #include "nel/misc/input_device_manager.h" #include "nel/misc/event_emitter.h" #include "nel/misc/smart_ptr.h" #include "nel/misc/events.h" #include "nel/misc/rect.h" #include "nel/misc/game_device.h" #include <windows.h> #include <dinput.h> namespace NLMISC { class CWinEventEmitter; class CDIKeyboard; class CDIMouse; struct IMouseDevice; struct IKeyboardDevice; // struct EDirectInput : public EInputDevice { EDirectInput(const char *reason) : EInputDevice(reason) {} }; // struct EDirectInputLibNotFound : public EDirectInput { EDirectInputLibNotFound() : EDirectInput("can't found the direct input dll") {} }; // struct EDirectInputInitFailed : public EDirectInput { EDirectInputInitFailed() : EDirectInput("Direct input initialization failed") {} }; // struct EDirectInputCooperativeLevelFailed : public EDirectInput { EDirectInputCooperativeLevelFailed() : EDirectInput("Direct Input Device Cooperative level couldn't be set") {} }; // Class to represent Direct Inputs events struct CDIEvent : public IInputDeviceEvent { // TODO : redefine operator new ? virtual bool operator < (const IInputDeviceEvent &ide) const { // just compare the dates return Datas.dwTimeStamp < (safe_cast<const CDIEvent *>(&ide))->Datas.dwTimeStamp; } DIDEVICEOBJECTDATA Datas; }; class CDIEventEmitter : public IEventEmitter, public IInputDeviceManager { public: static CDIEventEmitter *create(HINSTANCE hinst, HWND hwnd, CWinEventEmitter *we); ~CDIEventEmitter(); public: void poll(CEventServer *server = NULL); virtual IMouseDevice *getMouseDevice() throw(EInputDevice); virtual void releaseMouse(); virtual IKeyboardDevice *getKeyboardDevice() throw(EInputDevice); virtual void releaseKeyboard(); // Enumerates current game devices (gamepads, joystick etc.). The result is stored in the given vector virtual void enumerateGameDevice(TDeviceDescVect &descs) throw(EInputDevice); // Create the given game device from its instance name. It also means that it will begin to sends inputs virtual IGameDevice *createGameDevice(const std::string &instanceName) throw(EInputDevice); // Release the given game device virtual void releaseGameDevice(IGameDevice *); virtual void submitEvents(CEventServer &server); // Build a TMouseButton value from the current buttons state TMouseButton buildButtonsFlags() const; // Build a TMouseButton value (but with no mouse values) TMouseButton buildKeyboardButtonFlags() const { return (TMouseButton) (buildButtonsFlags() & (ctrlButton|shiftButton|altButton)); } //================================================================ //================================================================ //================================================================ private: typedef HRESULT (WINAPI * TPDirectInput8Create) (HINSTANCE hinst, DWORD dwVersion, REFIID riidltf, LPVOID* ppvOut, LPUNKNOWN punkOuter); // Private internal server message, used to stored all messages internally before to dispatch them, when no server is supplied to poll(... class CDIEventServer : CEventServer { friend class CDIEventEmitter; public: void setServer (CEventServer *server) { _Server = server; } private: bool pumpEvent(CEvent *event) { CEventServer::pumpEvent(event); _Server->postEvent (event); return false; } private: CEventServer *_Server; }; private: HWND _hWnd; TMouseButton _ButtonsFlags; NLMISC::CRefPtr<CWinEventEmitter> _WE; static HMODULE _DirectInputLibHandle; static TPDirectInput8Create _PDirectInput8Create; static uint _NumCreatedInterfaces; private: static bool loadLib(); static void unloadLib(); //==== private: CDIEventServer _InternalServer; CInputDeviceServer _DeviceServer; IDirectInput8 *_DInput8; CDIMouse *_Mouse; CDIKeyboard *_Keyboard; private: CDIEventEmitter(HWND hwnd, CWinEventEmitter *we); }; } // NLMISC #endif // NL_WINDOWS #endif // NL_DX_EVENT_EMITTER_H /* End of dx_event_emitter.h */