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198 lines (171 loc) · 5.03 KB
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/*
* @author Valentin Simonov / http://va.lent.in/
*/
#define WINVER _WIN32_WINNT_WIN7
#define _WIN32_WINNT _WIN32_WINNT_WIN7
#include <windows.h>
#define EXPORT_API __declspec(dllexport)
typedef enum
{
WIN7,
WIN8
} TOUCH_API;
// <Windows 8 touch API>
#define WM_POINTERENTER 0x0249
#define WM_POINTERLEAVE 0x024A
#define WM_POINTERUPDATE 0x0245
#define WM_POINTERDOWN 0x0246
#define WM_POINTERUP 0x0247
#define WM_POINTERCAPTURECHANGED 0x024C
#define POINTER_CANCELLED 0x1000
#define GET_POINTERID_WPARAM(wParam) (LOWORD(wParam))
typedef enum {
PT_POINTER = 0x00000001,
PT_TOUCH = 0x00000002,
PT_PEN = 0x00000003,
PT_MOUSE = 0x00000004,
PT_TOUCHPAD = 0x00000005
} POINTER_INPUT_TYPE;
typedef enum {
POINTER_FLAG_NONE = 0x00000000,
POINTER_FLAG_NEW = 0x00000001,
POINTER_FLAG_INRANGE = 0x00000002,
POINTER_FLAG_INCONTACT = 0x00000004,
POINTER_FLAG_FIRSTBUTTON = 0x00000010,
POINTER_FLAG_SECONDBUTTON = 0x00000020,
POINTER_FLAG_THIRDBUTTON = 0x00000040,
POINTER_FLAG_FOURTHBUTTON = 0x00000080,
POINTER_FLAG_FIFTHBUTTON = 0x00000100,
POINTER_FLAG_PRIMARY = 0x00002000,
POINTER_FLAG_CONFIDENCE = 0x00004000,
POINTER_FLAG_CANCELED = 0x00008000,
POINTER_FLAG_DOWN = 0x00010000,
POINTER_FLAG_UPDATE = 0x00020000,
POINTER_FLAG_UP = 0x00040000,
POINTER_FLAG_WHEEL = 0x00080000,
POINTER_FLAG_HWHEEL = 0x00100000,
POINTER_FLAG_CAPTURECHANGED = 0x00200000,
POINTER_FLAG_HASTRANSFORM = 0x00400000
} POINTER_FLAGS;
typedef enum {
POINTER_CHANGE_NONE,
POINTER_CHANGE_FIRSTBUTTON_DOWN,
POINTER_CHANGE_FIRSTBUTTON_UP,
POINTER_CHANGE_SECONDBUTTON_DOWN,
POINTER_CHANGE_SECONDBUTTON_UP,
POINTER_CHANGE_THIRDBUTTON_DOWN,
POINTER_CHANGE_THIRDBUTTON_UP,
POINTER_CHANGE_FOURTHBUTTON_DOWN,
POINTER_CHANGE_FOURTHBUTTON_UP,
POINTER_CHANGE_FIFTHBUTTON_DOWN,
POINTER_CHANGE_FIFTHBUTTON_UP,
} POINTER_BUTTON_CHANGE_TYPE;
typedef enum {
TOUCH_FLAG_NONE = 0x00000000
} TOUCH_FLAGS;
typedef enum {
TOUCH_MASK_NONE = 0x00000000,
TOUCH_MASK_CONTACTAREA = 0x00000001,
TOUCH_MASK_ORIENTATION = 0x00000002,
TOUCH_MASK_PRESSURE = 0x00000004
} TOUCH_MASK;
typedef enum {
PEN_FLAG_NONE = 0x00000000,
PEN_FLAG_BARREL = 0x00000001,
PEN_FLAG_INVERTED = 0x00000002,
PEN_FLAG_ERASER = 0x00000004
} PEN_FLAGS;
typedef enum {
PEN_MASK_NONE = 0x00000000,
PEN_MASK_PRESSURE = 0x00000001,
PEN_MASK_ROTATION = 0x00000002,
PEN_MASK_TILT_X = 0x00000004,
PEN_MASK_TILT_Y = 0x00000008
} PEN_MASK;
typedef struct {
POINTER_INPUT_TYPE pointerType;
UINT32 pointerId;
UINT32 frameId;
POINTER_FLAGS pointerFlags;
HANDLE sourceDevice;
HWND hwndTarget;
POINT ptPixelLocation;
POINT ptHimetricLocation;
POINT ptPixelLocationRaw;
POINT ptHimetricLocationRaw;
DWORD dwTime;
UINT32 historyCount;
INT32 InputData;
DWORD dwKeyStates;
UINT64 PerformanceCount;
POINTER_BUTTON_CHANGE_TYPE ButtonChangeType;
} POINTER_INFO;
typedef struct {
POINTER_INFO pointerInfo;
TOUCH_FLAGS touchFlags;
TOUCH_MASK touchMask;
RECT rcContact;
RECT rcContactRaw;
UINT32 orientation;
UINT32 pressure;
} POINTER_TOUCH_INFO;
typedef struct {
POINTER_INFO pointerInfo;
PEN_FLAGS penFlags;
PEN_MASK penMask;
UINT32 pressure;
UINT32 rotation;
INT32 tiltX;
INT32 tiltY;
} POINTER_PEN_INFO;
typedef BOOL (WINAPI *GET_POINTER_INFO)(UINT32 pointerId, POINTER_INFO *pointerInfo);
typedef BOOL (WINAPI *GET_POINTER_TOUCH_INFO)(UINT32 pointerId, POINTER_TOUCH_INFO *pointerInfo);
typedef BOOL (WINAPI *GET_POINTER_PEN_INFO)(UINT32 pointerId, POINTER_PEN_INFO *pointerInfo);
GET_POINTER_INFO GetPointerInfo;
GET_POINTER_TOUCH_INFO GetPointerTouchInfo;
GET_POINTER_PEN_INFO GetPointerPenInfo;
// </Windows 8 touch API>
struct Vector2
{
float x, y;
Vector2(float x, float y)
{
this->x = x;
this->y = y;
}
};
struct PointerData
{
POINTER_FLAGS pointerFlags;
UINT32 flags;
UINT32 mask;
POINTER_BUTTON_CHANGE_TYPE changedButtons;
UINT32 rotation;
UINT32 pressure;
INT32 tiltX;
INT32 tiltY;
};
typedef void(__stdcall * PointerDelegatePtr)(int id, UINT32 event, POINTER_INPUT_TYPE type, Vector2 position, PointerData data);
typedef void(__stdcall * LogFuncPtr)(BSTR log);
PointerDelegatePtr _delegate;
LogFuncPtr _log;
HWND _currentWindow;
int _screenWidth;
int _screenHeight;
float _offsetX = 0;
float _offsetY = 0;
float _scaleX = 1;
float _scaleY = 1;
TOUCH_API _api;
LONG_PTR _oldWindowProc;
extern "C"
{
EXPORT_API void __stdcall Init(TOUCH_API api, LogFuncPtr logFunc, PointerDelegatePtr delegate);
EXPORT_API void __stdcall SetScreenParams(int width, int height, float offsetX, float offsetY, float scaleX, float scaleY);
EXPORT_API void __stdcall Dispose();
}
void log(const wchar_t* str);
LRESULT CALLBACK wndProc8(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam);
LRESULT CALLBACK wndProc7(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam);
void decodeWin8Touches(UINT msg, WPARAM wParam, LPARAM lParam);
void decodeWin7Touches(UINT msg, WPARAM wParam, LPARAM lParam);