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2006-11-15
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; Using a Joystick as a Mouse
; http://www.autohotkey.com
; This script converts a joystick into a three-button mouse. It allows each
; button to drag just like a mouse button and it uses virtually no CPU time.
; Also, it will move the cursor faster depending on how far you push the joystick
; from center. You can personalize various settings at the top of the script.
; Increase the following value to make the mouse cursor move faster:
JoyMultiplier = 0.30
; Decrease the following value to require less joystick displacement-from-center
; to start moving the mouse. However, you may need to calibrate your joystick
; -- ensuring it's properly centered -- to avoid cursor drift. A perfectly tight
; and centered joystick could use a value of 1:
JoyThreshold = 3
; Change the following to true to invert the Y-axis, which causes the mouse to
; move vertically in the direction opposite the stick:
InvertYAxis := false
; Change these values to use joystick button numbers other than 1, 2, and 3 for
; the left, right, and middle mouse buttons. Available numbers are 1 through 32.
; Use the Joystick Test Script to find out your joystick's numbers more easily.
ButtonLeft = 1
ButtonRight = 2
ButtonMiddle = 3
; If your joystick has a POV control, you can use it as a mouse wheel. The
; following value is the number of milliseconds between turns of the wheel.
; Decrease it to have the wheel turn faster:
WheelDelay = 250
; If your system has more than one joystick, increase this value to use a joystick
; other than the first:
JoystickNumber = 1
; END OF CONFIG SECTION -- Don't change anything below this point unless you want
; to alter the basic nature of the script.
#SingleInstance
JoystickPrefix = %JoystickNumber%Joy
Hotkey, %JoystickPrefix%%ButtonLeft%, ButtonLeft
Hotkey, %JoystickPrefix%%ButtonRight%, ButtonRight
Hotkey, %JoystickPrefix%%ButtonMiddle%, ButtonMiddle
; Calculate the axis displacements that are needed to start moving the cursor:
JoyThresholdUpper := 50 + JoyThreshold
JoyThresholdLower := 50 - JoyThreshold
if InvertYAxis
YAxisMultiplier = -1
else
YAxisMultiplier = 1
SetTimer, WatchJoystick, 10 ; Monitor the movement of the joystick.
GetKeyState, JoyInfo, %JoystickNumber%JoyInfo
IfInString, JoyInfo, P ; Joystick has POV control, so use it as a mouse wheel.
SetTimer, MouseWheel, %WheelDelay%
return ; End of auto-execute section.
; The subroutines below do not use KeyWait because that would sometimes trap the
; WatchJoystick quasi-thread beneath the wait-for-button-up thread, which would
; effectively prevent mouse-dragging with the joystick.
ButtonLeft:
SetMouseDelay, -1 ; Makes movement smoother.
MouseClick, left,,, 1, 0, D ; Hold down the left mouse button.
SetTimer, WaitForLeftButtonUp, 10
return
ButtonRight:
SetMouseDelay, -1 ; Makes movement smoother.
MouseClick, right,,, 1, 0, D ; Hold down the right mouse button.
SetTimer, WaitForRightButtonUp, 10
return
ButtonMiddle:
SetMouseDelay, -1 ; Makes movement smoother.
MouseClick, middle,,, 1, 0, D ; Hold down the right mouse button.
SetTimer, WaitForMiddleButtonUp, 10
return
WaitForLeftButtonUp:
if GetKeyState(JoystickPrefix . ButtonLeft)
return ; The button is still, down, so keep waiting.
; Otherwise, the button has been released.
SetTimer, WaitForLeftButtonUp, off
SetMouseDelay, -1 ; Makes movement smoother.
MouseClick, left,,, 1, 0, U ; Release the mouse button.
return
WaitForRightButtonUp:
if GetKeyState(JoystickPrefix . ButtonRight)
return ; The button is still, down, so keep waiting.
; Otherwise, the button has been released.
SetTimer, WaitForRightButtonUp, off
MouseClick, right,,, 1, 0, U ; Release the mouse button.
return
WaitForMiddleButtonUp:
if GetKeyState(JoystickPrefix . ButtonMiddle)
return ; The button is still, down, so keep waiting.
; Otherwise, the button has been released.
SetTimer, WaitForMiddleButtonUp, off
MouseClick, middle,,, 1, 0, U ; Release the mouse button.
return
WatchJoystick:
MouseNeedsToBeMoved := false ; Set default.
SetFormat, float, 03
GetKeyState, joyx, %JoystickNumber%JoyX
GetKeyState, joyy, %JoystickNumber%JoyY
if joyx > %JoyThresholdUpper%
{
MouseNeedsToBeMoved := true
DeltaX := joyx - JoyThresholdUpper
}
else if joyx < %JoyThresholdLower%
{
MouseNeedsToBeMoved := true
DeltaX := joyx - JoyThresholdLower
}
else
DeltaX = 0
if joyy > %JoyThresholdUpper%
{
MouseNeedsToBeMoved := true
DeltaY := joyy - JoyThresholdUpper
}
else if joyy < %JoyThresholdLower%
{
MouseNeedsToBeMoved := true
DeltaY := joyy - JoyThresholdLower
}
else
DeltaY = 0
if MouseNeedsToBeMoved
{
SetMouseDelay, -1 ; Makes movement smoother.
MouseMove, DeltaX * JoyMultiplier, DeltaY * JoyMultiplier * YAxisMultiplier, 0, R
}
return
MouseWheel:
GetKeyState, JoyPOV, %JoystickNumber%JoyPOV
if JoyPOV = -1 ; No angle.
return
if (JoyPOV > 31500 or JoyPOV < 4500) ; Forward
Send {WheelUp}
else if JoyPOV between 13500 and 22500 ; Back
Send {WheelDown}
return