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// DInputKeyboard.h: interface for the CDInputKeyboard class.??
//??
//////////////////////////////////////////////////////////////////////??
?
#pragma once??
?
#define DIRECTINPUT_VERSION 0x800??
#include <afxtempl.h>??
#include <dinput.h>??
#pragma comment(lib, "dinput8.lib")??
#pragma comment(lib, "DXguid.Lib")??
?
class CDInputKeyboard????
{??
??? #define BUFFERCOUNT 256??
??? LPDIRECTINPUT???????? lpDirectInput;??????????????
??? LPDIRECTINPUTDEVICE?? lpdiKeyboard;???????
??? BOOL????????????????? KeyboardAcquired;??
??? BOOL????????????????? KeyboardFound;??
??? CTypedPtrArray <CPtrArray, LPDIDEVICEINSTANCE> m_KeyboInstance_Array;??
?
protected:??
??? virtual BOOL ProcessInputKey(TCHAR tChar)??
??? {??
??????? return false;??
??? }??
?
? static BOOL CALLBACK DIEnumDevicesProc(LPCDIDEVICEINSTANCE lpddi,???
????????????????????????????????? LPVOID pvRef)??
? {????
??? if (GET_DIDEVICE_TYPE(lpddi->dwDevType) == DI8DEVTYPE_KEYBOARD??
??????????? || ((lpddi->dwDevType & DIDEVTYPE_HID) && GET_DIDEVICE_TYPE(lpddi->dwDevType) == DI8DEVTYPE_DEVICE ) )??
??? {???
????? LPDIDEVICEINSTANCE pNewdid = (LPDIDEVICEINSTANCE) new DIDEVICEINSTANCE;??
????? memcpy(pNewdid, lpddi, sizeof(DIDEVICEINSTANCE));??
????? ((CDInputKeyboard *)pvRef)->m_KeyboInstance_Array.Add(pNewdid);??
??? }??
??? return DIENUM_CONTINUE;????
? } // DIEnumDevicesProc??
?
? void RemoveGUID()??
? {??
??? KeyboardFound = 0;??
??? while(m_KeyboInstance_Array.GetSize() > 0)??
??? {??
????? delete m_KeyboInstance_Array.GetAt(0);??
????? m_KeyboInstance_Array.RemoveAt(0);??
??? }??
? }??
?
public:????
? HWND??????????????? hMainWindow;???????? // app window handle??
????
? virtual BOOL InitInput(HWND hWnd)??
? {??
??? ASSERT(lpDirectInput == NULL);??
??? ASSERT(hWnd);??
?
??? hMainWindow = hWnd;??
?
??? HINSTANCE hInstance = (HINSTANCE) GetWindowLong(hMainWindow, GWL_HINSTANCE); // program instance??
??? // try to create DirectInput object??
??? if(DirectInput8Create(hInstance, DIRECTINPUT_VERSION,? IID_IDirectInput8, (LPVOID*)&lpDirectInput, NULL) != DI_OK)??
??? {??
????? lpDirectInput = NULL;??
????? OutputDebugString( _T("Failed to create DirectInput object.\n") );??
????? return FALSE;??
??? }??
??? return TRUE;??
? }??
?
? INT_PTR EnumKeyboard()??
? {??
??? RemoveGUID();??
??? if(lpDirectInput)??
??? {??
????? // enumerate devices so we can get the GUIDs??
????? if (lpDirectInput->EnumDevices(0,???
??????????????????????????? DIEnumDevicesProc,??
??????????????????????????? this,???
??????????????????????????? DIEDFL_ALLDEVICES) != DI_OK)??
????? {??
??????? OutputDebugString( _T("Could not enumerate devices.\n") );??
????? }??
??? }??
??? return m_KeyboInstance_Array.GetSize();??
? }??
?
? BOOL Unacquire()??
? {??
??? if(lpdiKeyboard)??
??? {??
????? lpdiKeyboard->Unacquire();??
????? lpdiKeyboard->Release();??
????? lpdiKeyboard = NULL;??
??? }??
??? KeyboardAcquired = false;??
??? return TRUE;??
? }??
?
? BOOL Acquire(INT_PTR nPos = -1)??
? {??
??? Unacquire();??
?
??? if(lpDirectInput == NULL)??
??? {??
????? OutputDebugString( _T("lpDirectInput is NULL.\n") );??
????? return FALSE;??
??? }??
?
??? GUID KeyboardGUID =? GUID_SysKeyboard;??
??? if(nPos >=0 && nPos < m_KeyboInstance_Array.GetSize())??
??? {??
????? KeyboardGUID = m_KeyboInstance_Array.GetAt(nPos)->guidInstance;??
??? }??
??????
?? // try to create keyboard device??
??? if(lpDirectInput->CreateDevice(KeyboardGUID, &lpdiKeyboard, NULL) != DI_OK ) //GUID_SysKeyboard??
??? {??
????? OutputDebugString( _T("Failed to create keyboard device.\n") );??
??????????? Unacquire();??
????? return FALSE;??
??? }??
?
??? // set kbd cooperative level??
??? if (lpdiKeyboard->SetCooperativeLevel(hMainWindow, DISCL_BACKGROUND | DISCL_NONEXCLUSIVE) != DI_OK)??
??? {??
????? OutputDebugString( _T("Failed to set keyboard cooperative level.\n") );??
??????????? Unacquire();??
????? return FALSE;??
??? }??
?
??? // set kbd data format??
??? if (lpdiKeyboard->SetDataFormat(&c_dfDIKeyboard) != DI_OK)??
??? {??
????? OutputDebugString( _T("Failed to set keyboard data format.\n") );??
??????????? Unacquire();??
????? return FALSE;??
??? }??
?
?? // set kbd buffer size??
??? DIPROPDWORD dipdw = {0};??
??? dipdw.diph.dwSize = sizeof(DIPROPDWORD);??
??? dipdw.diph.dwHeaderSize = sizeof(DIPROPHEADER);??
??? dipdw.diph.dwObj = 0;??
??? dipdw.diph.dwHow = DIPH_DEVICE;??
??? dipdw.dwData = BUFFERCOUNT; // * sizeof(DIDEVICEOBJECTDATA);??
??? if (lpdiKeyboard->SetProperty(DIPROP_BUFFERSIZE, &dipdw.diph) != DI_OK)???
??? {??
????? OutputDebugString( _T("Failed to set keyboard buffer size.\n") );??
??????????? Unacquire();??
????? return FALSE;??
??? }??
?
??? // try to acquire the keyboard??
??? if (lpdiKeyboard->Acquire() != DI_OK)??
??? {??
????? OutputDebugString( _T("Failed to acquire the keyboard.\n") );??
??????????? Unacquire();??
????? return FALSE;??
??? }??
?
??? KeyboardAcquired = TRUE;??
??? return TRUE;????????
? }??
?
? BOOL ReacquireInput(void)??
? {??
? //the keyboard??
??? if(lpdiKeyboard != NULL)??
??? {??
????? lpdiKeyboard->Acquire();??
??? }??
??? else?
??? {??
????? // keyboard device has not been created.??
????? return FALSE;??
??? }??
??? // if we get here, we are acquired again??
??? KeyboardAcquired = TRUE;??
?
??? return TRUE;??
? }? // ReacquireInputDevices()??
?
? BOOL PollKeyboard(void) //Reads the keyboard state??
? {??
??? if(lpdiKeyboard && KeyboardAcquired)??
??? {??
????? BYTE diKeys[257] = {0};??
????? if (lpdiKeyboard->GetDeviceState(256, &diKeys) == DI_OK)??
????? {??
??????? if(diKeys[DIK_LWIN] & 0x80) /* Left Windows key */?
??????? {??
??????? }??
??????? if(diKeys[DIK_RWIN] & 0x80) /* Right Windows key */?
??????? {??
??????? }??
????????
??????? return TRUE;? // success??
????? }??
??? }??
??? return FALSE;??
? } // PollKeyboard()??
?
? HRESULT ReadKeyboardInput(void)??
? {??
??????? HRESULT hRes = DI_OK;??
??????? if(KeyboardAcquired)??
??????? {??
??????????? DIDEVICEOBJECTDATA? KbdBuffer[BUFFERCOUNT] = {0};??
??????????? DWORD dwItems = BUFFERCOUNT;??
??????????? hRes = lpdiKeyboard->GetDeviceData(sizeof(DIDEVICEOBJECTDATA),??
??????????????????????????????????????????????????????????????????? KbdBuffer, &dwItems, 0);??
??????????? if(hRes == DI_OK || hRes == DI_BUFFEROVERFLOW)??
??????????? {??
?
??????????????? for (DWORD k = 0; k < dwItems; k++)??
??????????????? {??
??????????????????? LPDIDEVICEOBJECTDATA lpdidod = &KbdBuffer[k];??
?
??????????????????? TCHAR VKey = MapVirtualKey(lpdidod->dwOfs, 3); //映射到虛擬鍵??
??????????????????? ProcessInputKey(VKey); //處理輸入??
?
??????????????????? CString dbgStr, tmpStr;??
??????????????????? dbgStr.Format(_T("%d"), lpdidod->dwSequence);??
??????????????????? tmpStr.Format(_T(". Scan code 0x%04X"), lpdidod->dwOfs);??
??????????????????? dbgStr += tmpStr;??????????????
??????????????????? dbgStr += (lpdidod->dwData & 0x80)? _T(" pressed ") : _T(" released ");??????????
??????????????????? tmpStr.Format(_T(". Age: %d ms"), GetTickCount() - lpdidod->dwTimeStamp);??
??????????????????? dbgStr += tmpStr;??
??????????????????? dbgStr += _T("\n");??
??????????????????? OutputDebugString(dbgStr);??????????
??????????????? }??
??????????? }??
??????????? else if(hRes == DIERR_INPUTLOST)??
??????????? {??
??????????????? ReacquireInput();???
??????????????? hRes = S_FALSE;??
??????????? }???
??????? }??
??? return hRes;??
? }??
?
?
////////////////////////////////////////////////??
? CDInputKeyboard()??
? {??
??? hMainWindow = NULL;??
??? lpDirectInput = NULL;??
??? lpdiKeyboard = NULL;??
??? KeyboardAcquired = 0;??
??? KeyboardFound = 0;??
??? m_KeyboInstance_Array.RemoveAll();??
? }??
?
? virtual ~CDInputKeyboard()??
? {??
??? if(lpdiKeyboard)??
??? {??
????? lpdiKeyboard->Unacquire();??
????? lpdiKeyboard->Release();??
????? lpdiKeyboard = NULL;??
??? }??
?
??? if(lpDirectInput)??
??? {??
????? lpDirectInput->Release();??
????? lpDirectInput = NULL;??
??? }??
?
??? RemoveGUID();??
? }??
?
?
};?
// DInputKeyboard.h: interface for the CDInputKeyboard class.
//
//////////////////////////////////////////////////////////////////////
#pragma once
#define DIRECTINPUT_VERSION 0x800
#include <afxtempl.h>
#include <dinput.h>
#pragma comment(lib, "dinput8.lib")
#pragma comment(lib, "DXguid.Lib")
class CDInputKeyboard?
{
?#define BUFFERCOUNT 256
?LPDIRECTINPUT???????? lpDirectInput;???????????
?LPDIRECTINPUTDEVICE?? lpdiKeyboard; ?
?BOOL????????????????? KeyboardAcquired;
?BOOL????????????????? KeyboardFound;
?CTypedPtrArray <CPtrArray, LPDIDEVICEINSTANCE> m_KeyboInstance_Array;
protected:
?virtual BOOL ProcessInputKey(TCHAR tChar)
?{
??return false;
?}
? static BOOL CALLBACK DIEnumDevicesProc(LPCDIDEVICEINSTANCE lpddi,
????????????????????????????????? LPVOID pvRef)
? {?
??? if (GET_DIDEVICE_TYPE(lpddi->dwDevType) == DI8DEVTYPE_KEYBOARD
???|| ((lpddi->dwDevType & DIDEVTYPE_HID) && GET_DIDEVICE_TYPE(lpddi->dwDevType) == DI8DEVTYPE_DEVICE ) )
??? {
????? LPDIDEVICEINSTANCE pNewdid = (LPDIDEVICEINSTANCE) new DIDEVICEINSTANCE;
????? memcpy(pNewdid, lpddi, sizeof(DIDEVICEINSTANCE));
????? ((CDInputKeyboard *)pvRef)->m_KeyboInstance_Array.Add(pNewdid);
??? }
??? return DIENUM_CONTINUE;?
? } // DIEnumDevicesProc
? void RemoveGUID()
? {
??? KeyboardFound = 0;
??? while(m_KeyboInstance_Array.GetSize() > 0)
??? {
????? delete m_KeyboInstance_Array.GetAt(0);
????? m_KeyboInstance_Array.RemoveAt(0);
??? }
? }
public:?
? HWND??????????????? hMainWindow;???????? // app window handle
?
? virtual BOOL InitInput(HWND hWnd)
? {
??? ASSERT(lpDirectInput == NULL);
??? ASSERT(hWnd);
??? hMainWindow = hWnd;
??? HINSTANCE hInstance = (HINSTANCE) GetWindowLong(hMainWindow, GWL_HINSTANCE); // program instance
??? // try to create DirectInput object
??? if(DirectInput8Create(hInstance, DIRECTINPUT_VERSION,? IID_IDirectInput8, (LPVOID*)&lpDirectInput, NULL) != DI_OK)
??? {
????? lpDirectInput = NULL;
????? OutputDebugString( _T("Failed to create DirectInput object.\n") );
????? return FALSE;
??? }
??? return TRUE;
? }
? INT_PTR EnumKeyboard()
? {
??? RemoveGUID();
??? if(lpDirectInput)
??? {
????? // enumerate devices so we can get the GUIDs
????? if (lpDirectInput->EnumDevices(0,
??????????????????????????? DIEnumDevicesProc,
??????????????????????????? this,
??????????????????????????? DIEDFL_ALLDEVICES) != DI_OK)
????? {
??????? OutputDebugString( _T("Could not enumerate devices.\n") );
????? }
??? }
??? return m_KeyboInstance_Array.GetSize();
? }
? BOOL Unacquire()
? {
??? if(lpdiKeyboard)
??? {
????? lpdiKeyboard->Unacquire();
????? lpdiKeyboard->Release();
????? lpdiKeyboard = NULL;
??? }
??? KeyboardAcquired = false;
??? return TRUE;
? }
? BOOL Acquire(INT_PTR nPos = -1)
? {
??? Unacquire();
??? if(lpDirectInput == NULL)
??? {
????? OutputDebugString( _T("lpDirectInput is NULL.\n") );
????? return FALSE;
??? }
??? GUID KeyboardGUID =? GUID_SysKeyboard;
??? if(nPos >=0 && nPos < m_KeyboInstance_Array.GetSize())
??? {
????? KeyboardGUID = m_KeyboInstance_Array.GetAt(nPos)->guidInstance;
??? }
???
?? // try to create keyboard device
??? if(lpDirectInput->CreateDevice(KeyboardGUID, &lpdiKeyboard, NULL) != DI_OK ) //GUID_SysKeyboard
??? {
????? OutputDebugString( _T("Failed to create keyboard device.\n") );
???Unacquire();
????? return FALSE;
??? }
??? // set kbd cooperative level
??? if (lpdiKeyboard->SetCooperativeLevel(hMainWindow, DISCL_BACKGROUND | DISCL_NONEXCLUSIVE) != DI_OK)
??? {
????? OutputDebugString( _T("Failed to set keyboard cooperative level.\n") );
???Unacquire();
????? return FALSE;
??? }
??? // set kbd data format
??? if (lpdiKeyboard->SetDataFormat(&c_dfDIKeyboard) != DI_OK)
??? {
????? OutputDebugString( _T("Failed to set keyboard data format.\n") );
???Unacquire();
????? return FALSE;
??? }
?? // set kbd buffer size
??? DIPROPDWORD dipdw = {0};
??? dipdw.diph.dwSize = sizeof(DIPROPDWORD);
??? dipdw.diph.dwHeaderSize = sizeof(DIPROPHEADER);
??? dipdw.diph.dwObj = 0;
??? dipdw.diph.dwHow = DIPH_DEVICE;
??? dipdw.dwData = BUFFERCOUNT; // * sizeof(DIDEVICEOBJECTDATA);
??? if (lpdiKeyboard->SetProperty(DIPROP_BUFFERSIZE, &dipdw.diph) != DI_OK)
??? {
????? OutputDebugString( _T("Failed to set keyboard buffer size.\n") );
???Unacquire();
????? return FALSE;
??? }
??? // try to acquire the keyboard
??? if (lpdiKeyboard->Acquire() != DI_OK)
??? {
????? OutputDebugString( _T("Failed to acquire the keyboard.\n") );
???Unacquire();
????? return FALSE;
??? }
??? KeyboardAcquired = TRUE;
??? return TRUE;?????
? }
? BOOL ReacquireInput(void)
? {
? //the keyboard
??? if(lpdiKeyboard != NULL)
??? {
????? lpdiKeyboard->Acquire();
??? }
??? else
??? {
????? // keyboard device has not been created.
????? return FALSE;
??? }
??? // if we get here, we are acquired again
??? KeyboardAcquired = TRUE;
??? return TRUE;
? }? // ReacquireInputDevices()
? BOOL PollKeyboard(void) //Reads the keyboard state
? {
??? if(lpdiKeyboard && KeyboardAcquired)
??? {
????? BYTE diKeys[257] = {0};
????? if (lpdiKeyboard->GetDeviceState(256, &diKeys) == DI_OK)
????? {
??????? if(diKeys[DIK_LWIN] & 0x80) /* Left Windows key */
??????? {
??????? }
??????? if(diKeys[DIK_RWIN] & 0x80) /* Right Windows key */
??????? {
??????? }
?????
??????? return TRUE;? // success
????? }
??? }
??? return FALSE;
? } // PollKeyboard()
? HRESULT ReadKeyboardInput(void)
? {
??HRESULT hRes = DI_OK;
??if(KeyboardAcquired)
??{
???DIDEVICEOBJECTDATA? KbdBuffer[BUFFERCOUNT] = {0};
???DWORD dwItems = BUFFERCOUNT;
???hRes = lpdiKeyboard->GetDeviceData(sizeof(DIDEVICEOBJECTDATA),
?????????????????KbdBuffer, &dwItems, 0);
???if(hRes == DI_OK || hRes == DI_BUFFEROVERFLOW)
???{
????for (DWORD k = 0; k < dwItems; k++)
????{
?????LPDIDEVICEOBJECTDATA lpdidod = &KbdBuffer[k];
?????TCHAR VKey = MapVirtualKey(lpdidod->dwOfs, 3); //映射到虛擬鍵
?????ProcessInputKey(VKey); //處理輸入
?????CString dbgStr, tmpStr;
?????dbgStr.Format(_T("%d"), lpdidod->dwSequence);
?????tmpStr.Format(_T(". Scan code 0x%04X"), lpdidod->dwOfs);
?????dbgStr += tmpStr;???????????
?????dbgStr += (lpdidod->dwData & 0x80)? _T(" pressed ") : _T(" released ");???????
?????tmpStr.Format(_T(". Age: %d ms"), GetTickCount() - lpdidod->dwTimeStamp);
?????dbgStr += tmpStr;
?????dbgStr += _T("\n");
?????OutputDebugString(dbgStr);???????
????}
???}
???else if(hRes == DIERR_INPUTLOST)
???{
????ReacquireInput();
????hRes = S_FALSE;
???}
??}
??? return hRes;
? }
////////////////////////////////////////////////
? CDInputKeyboard()
? {
??? hMainWindow = NULL;
??? lpDirectInput = NULL;
??? lpdiKeyboard = NULL;
??? KeyboardAcquired = 0;
??? KeyboardFound = 0;
??? m_KeyboInstance_Array.RemoveAll();
? }
? virtual ~CDInputKeyboard()
? {
??? if(lpdiKeyboard)
??? {
????? lpdiKeyboard->Unacquire();
????? lpdiKeyboard->Release();
????? lpdiKeyboard = NULL;
??? }
??? if(lpDirectInput)
??? {
????? lpDirectInput->Release();
????? lpDirectInput = NULL;
??? }
??? RemoveGUID();
? }
};
?
?
本文來自CSDN博客，轉載請標明出處：http://blog.csdn.net/zgl7903/archive/2010/02/01/5277822.aspx