touchevent.py

from ctypes import *
from ctypes.wintypes import *

#Constants

#For touchMask
TOUCH_MASK_NONE=          0x00000000 #Default
TOUCH_MASK_CONTACTAREA=   0x00000001
TOUCH_MASK_ORIENTATION=   0x00000002
TOUCH_MASK_PRESSURE=      0x00000004
TOUCH_MASK_ALL=           0x00000007

#For touchFlag
TOUCH_FLAG_NONE=          0x00000000

#For pointerType
PT_POINTER=               0x00000001#All
PT_TOUCH=                 0x00000002
PT_PEN=                   0x00000003
PT_MOUSE=                 0x00000004

#For pointerFlags
POINTER_FLAG_NONE=        0x00000000#Default
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


#Structs Needed

class POINTER_INFO(Structure):
    _fields_=[("pointerType",c_uint32),
              ("pointerId",c_uint32),
              ("frameId",c_uint32),
              ("pointerFlags",c_int),
              ("sourceDevice",HANDLE),
              ("hwndTarget",HWND),
              ("ptPixelLocation",POINT),
              ("ptHimetricLocation",POINT),
              ("ptPixelLocationRaw",POINT),
              ("ptHimetricLocationRaw",POINT),
              ("dwTime",DWORD),
              ("historyCount",c_uint32),
              ("inputData",c_int32),
              ("dwKeyStates",DWORD),
              ("PerformanceCount",c_uint64),
              ("ButtonChangeType",c_int)
              ]


class POINTER_TOUCH_INFO(Structure):
    _fields_=[("pointerInfo",POINTER_INFO),
              ("touchFlags",c_int),
              ("touchMask",c_int),
              ("rcContact", RECT),
              ("rcContactRaw",RECT),
              ("orientation", c_uint32),
              ("pressure", c_uint32)]



#Initialize Pointer and Touch info

pointerInfo=POINTER_INFO(pointerType=PT_TOUCH,
                         pointerId=0,
                         ptPixelLocation=POINT(950,540))

touchInfo=POINTER_TOUCH_INFO(pointerInfo=pointerInfo,
                             touchFlags=TOUCH_FLAG_NONE,
                             touchMask=TOUCH_MASK_ALL,
                             rcContact=RECT(pointerInfo.ptPixelLocation.x-5,
                                  pointerInfo.ptPixelLocation.y-5,
                                  pointerInfo.ptPixelLocation.x+5,
                                  pointerInfo.ptPixelLocation.y+5),
                             orientation=90,
                             pressure=32000)


def makeTouch(x,y,fingerRadius):
    touchInfo.pointerInfo.ptPixelLocation.x=x
    touchInfo.pointerInfo.ptPixelLocation.y=y

    touchInfo.rcContact.left=x-fingerRadius
    touchInfo.rcContact.right=x+fingerRadius
    touchInfo.rcContact.top=y-fingerRadius
    touchInfo.rcContact.bottom=y+fingerRadius

    #Initialize Touch Injection
    if (windll.user32.InitializeTouchInjection(1,1) != 0):
        print("Initialized Touch Injection")

    #Press Down
    touchInfo.pointerInfo.pointerFlags=(POINTER_FLAG_DOWN|
                                        POINTER_FLAG_INRANGE|
                                        POINTER_FLAG_INCONTACT)

    if (windll.user32.InjectTouchInput(1, byref(touchInfo))==0):
        print("Failed with Error: "+ FormatError())

    else:
        print("Touch Down Succeeded!")




    #Pull Up
    touchInfo.pointerInfo.pointerFlags=POINTER_FLAG_UP

    if (windll.user32.InjectTouchInput(1,byref(touchInfo))==0):
        print("Failed with Error: "+FormatError())

    else:
        print("Pull Up Succeeded!")

    return

#Ex:
makeTouch(950,270,5)