HTC手机重力感应控制示例(C++)

#include <windows.h> #include <commctrl.h> #include <aygshell.h> #pragma comment(lib, "aygshell.lib") #include "Resource.h" // ---- HTC Touch Diamond sensor -------------------------------------------- // ------- by Scott Seligman <scott@scottandmichelle.net> ------------------- // ------- GESTURE_TOUCH related information from KriX <kriix@hotmail.com> -- // -- Polling the sensor using the SDK dll ------------------------ #define SENSOR_DLL L"HTCSensorSDK.dll" typedef struct _SENSORDATA { SHORT TiltX; // From -1000 to 1000 (about), 0 is flat SHORT TiltY; // From -1000 to 1000 (about), 0 is flat SHORT Orientation; // From -1000 to 1000 (about) // 0 = Straight up, -1000 = Flat, 1000 = Upside down WORD Unknown1; // Always zero DWORD AngleY; // From 0 to 359 DWORD AngleX; // From 0 to 359 DWORD Unknown2; // Bit field? } SENSORDATA, *PSENSORDATA; #define SENSOR_TILT 1 typedef HANDLE (WINAPI * PFN_HTCSensorOpen)(DWORD); typedef void (WINAPI * PFN_HTCSensorClose)(HANDLE); typedef DWORD (WINAPI * PFN_HTCSensorGetDataOutput)(HANDLE, PSENSORDATA); PFN_HTCSensorOpen pfnHTCSensorOpen; PFN_HTCSensorClose pfnHTCSensorClose; PFN_HTCSensorGetDataOutput pfnHTCSensorGetDataOutput; // -- Notifications via the sensor's event ------------------------ #define SN_GSENSOR_ROOT HKEY_LOCAL_MACHINE #define SN_GSENSOR_PATH _T("Software\\HTC\\HTCSensor\\GSensor") #define SN_GSENSOR_VALUE _T("EventChanged") #define SN_GSENSOR_BITMASK 0xF #define SENSOR_START _T("HTC_GSENSOR_SERVICESTART") #define SENSOR_STOP _T("HTC_GSENSOR_SERVICESTOP") #define ORIENTATION_LANDSCAPE 0 #define ORIENTATION_REVERSE_LANDSCAPE 1 #define ORIENTATION_PORTRAIT 2 #define ORIENTATION_UPSIDE_DOWN 3 #define ORIENTATION_FACE_DOWN 4 #define ORIENTATION_FACE_UP 5 // TODO: Modify these two constants to your needs #define SN_GSENSOR 1 #define WM_STATECHANGE (WM_USER + 1) // -- Notifications for gestures around the d-pad ----------------- #define HTCAPI_DLL L"HTCAPI.dll" typedef DWORD (WINAPI * PFN_HTCNavOpen)(HWND, DWORD); typedef DWORD (WINAPI * PFN_HTCNavSetMode)(HWND, DWORD); typedef DWORD (WINAPI * PFN_HTCNavClose)(DWORD); PFN_HTCNavOpen pfnHTCNavOpen; PFN_HTCNavSetMode pfnHTCNavSetMode; PFN_HTCNavClose pfnHTCNavClose; #define GESTURE_API 1 #define GESTURE_GESTURE 4 // Generates WM_HTC_GESTURE messages #define GESTURE_TOUCH 5 // Generates WM_HTC_TOUCH messages // (with the HTCTOUCH structs) #define WM_HTC_GESTURE (WM_USER + 200) #define WM_HTC_TOUCH (WM_USER + 209) #define ROTATION_MASK 0x00000F00 // WPARAM #define ROTATION_CLOCKWISE 0x00000800 #define ROTATION_COUNTER 0x00000900 #define COMPLETION_MASK 0x00F00000 // LPARAM #define DIRECTION_MASK 0x0000F000 // LPARAM typedef struct tagHTCTOUCH_WPARAM { BYTE Up; //0=KeyDown,1=KeyUp BYTE Where; //Where the click occurs (left pane, wheel, right pane) //Pos for the Right Pane click BYTE xPosRP; BYTE yPosRP; } HTCTOUCH_WPARAM; typedef struct tagHTCTOUCH_LPARAM { //Pos for the Left Pane click BYTE xPosLP; BYTE yPosLP; //Wheel click angle BYTE WheelAngle; BYTE Unknown4; } HTCTOUCH_LPARAM; // ---- End of HTC Touch Diamond sensor ------------------------------------- // -------------------------------------------------------------------------- bool SensorPollingInit(); bool SensorPollingUninit(); bool SensorEventInit(); bool SensorEventUninit(); bool SensorGestureInit(HWND hWnd); bool SensorGestureUninit(); int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE, LPTSTR, int); ATOM MyRegisterClass(HINSTANCE hInstance, LPTSTR szWindowClass); bool InitInstance(HINSTANCE hInstance, int nCmdShow); LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam); HINSTANCE g_hInstance; HWND g_hWndMenuBar; POINT g_ptCursor; int g_nCursorAngle; int g_nLastEvent; HANDLE g_hSensor; HANDLE g_hSensorEvent; HDC g_hdcBuffer; TCHAR g_szLastSensorMsg[100] = _T(""); #pragma region Registry Notification APIs FARPROC g_lpRegistryCloseNotification = NULL; FARPROC g_lpRegistryNotifyWindow = NULL; HINSTANCE g_hDLLAygShell = NULL; void LoadProc(HINSTANCE hDLL, LPTSTR szProc, FARPROC * lppProc) { *lppProc = GetProcAddress(hDLL, szProc); } HRESULT RegistryCloseNotification(HANDLE hNotify) { if (!g_hDLLAygShell) { g_hDLLAygShell = LoadLibrary(_T("aygshell.dll")); } if (g_hDLLAygShell) { if (!g_lpRegistryCloseNotification) { LoadProc(g_hDLLAygShell, _T("RegistryCloseNotification"), &g_lpRegistryCloseNotification); } typedef HRESULT (WINAPI * PFN_RegistryCloseNotification)(HANDLE); if (g_lpRegistryCloseNotification) { return ((PFN_RegistryCloseNotification) g_lpRegistryCloseNotification)(hNotify); } } return NULL; } HRESULT RegistryNotifyWindow(HKEY hKey, LPCTSTR pszSubKey, LPCTSTR pszValueName, HWND hWnd, UINT msg, DWORD dwUserData, LPVOID pCondition, HANDLE * phNotify) { if (!g_hDLLAygShell) { g_hDLLAygShell = LoadLibrary(_T("aygshell.dll")); } if (g_hDLLAygShell) { if (!g_lpRegistryNotifyWindow) { LoadProc(g_hDLLAygShell, _T("RegistryNotifyWindow"), &g_lpRegistryNotifyWindow); } typedef HRESULT (WINAPI * PFN_RegistryNotifyWindow)(HKEY, LPCTSTR, LPCTSTR, HWND, UINT, DWORD, LPVOID, HANDLE *); if (g_lpRegistryNotifyWindow) { return ((PFN_RegistryNotifyWindow) g_lpRegistryNotifyWindow)(hKey, pszSubKey, pszValueName, hWnd, msg, dwUserData, pCondition, phNotify); } } return NULL; } #pragma endregion #define TIMERID_READSENSOR 1 #define TIMERID_KEEPALIVE 2 #define PI180 (3.1415926f/180.0f) bool SensorPollingInit() { HMODULE hSensorLib = LoadLibrary(SENSOR_DLL); if (hSensorLib == NULL) { MessageBox(NULL, _T("Unable to load Sensor DLL"), _T("Error"), MB_TOPMOST); return false; } pfnHTCSensorOpen = (PFN_HTCSensorOpen) GetProcAddress(hSensorLib, L"HTCSensorOpen"); pfnHTCSensorClose = (PFN_HTCSensorClose) GetProcAddress(hSensorLib, L"HTCSensorClose"); pfnHTCSensorGetDataOutput = (PFN_HTCSensorGetDataOutput) GetProcAddress(hSensorLib, L"HTCSensorGetDataOutput"); if (pfnHTCSensorOpen == NULL || pfnHTCSensorClose == NULL || pfnHTCSensorGetDataOutput == NULL) { MessageBox(NULL, _T("Unable to find entry point"), _T("Error"), MB_TOPMOST); return false; } g_hSensor = pfnHTCSensorOpen(SENSOR_TILT); return true; } bool SensorPollingUninit() { pfnHTCSensorClose(g_hSensor); return true; } bool SensorEventInit(HWND hWnd) { HANDLE hEvent = CreateEvent(NULL, TRUE, FALSE, SENSOR_START); if (hEvent == NULL || GetLastError() != ERROR_ALREADY_EXISTS) { MessageBox(hWnd, _T("Unable to create Sensor Event"), _T("Error"), MB_TOPMOST); return false; } SetEvent(hEvent); CloseHandle(hEvent); g_hSensorEvent = NULL; RegistryNotifyWindow(