;set the coordinates system relative to the screen
CoordMode, Mouse ,Screen


;set screen info
global leftEdge := 0, rightEdge := 1919, topEdge := 0, bottomEdge := 1079
;set the time interval to getting mouse info. The less the value is, the less the hot area is sensitive
timeInterval := 300


;functions
isLeftEdge(_xpos, _ypos){
    if (_xpos == leftEdge and _ypos < bottomEdge - 20 and _ypos > topEdge + 20) {
        return true
    }
    return false
}

isRightEdge(_xpos, _ypos){
    maxY := bottomEdge - 20
    minY := topEdge + 20
    res := % _xpos == rightEdge and _ypos < maxY and _ypos > minY
    if (res) {
        return true
    }
    return false
}

isBottomEdge(_xpos, _ypos){
    if (_ypos == bottomEdge  and _xpos < rightEdge - 20 and _xpos > leftEdge + 20) {
        return true
    }
    return false
}

isTopEdge(_xpos, _ypos){
    if (_ypos == bottomEdge  and _xpos < rightEdge - 20 and _xpos > leftEdge + 20) {
        return true
    }
    return false
}

isTopLeftCorner(_xpos, _ypos){
    if (_xpos == leftEdge and _ypos == topEdge) {
        return true
    }
    return false
}

isTopRightCorner(_xpos, _ypos){
    if (_xpos == rightEdge and _ypos == topEdge) {
        return true
    }
    return false
}

isBottomLeftCorner(_xpos, _ypos){
    if (_xpos == leftEdge and _ypos == bottomEdge ) {
        return true
    }
    return false
}

isBottomRightCorner(_xpos, _ypos){
    if (_xpos == rightEdge and _ypos == bottomEdge ) {
        return true
    }
    return false
}

#Persistent
SetTimer, WatchCursor, %timeInterval%
return

WatchCursor:
GetKeyState, state, LButton 
MouseGetPos, xpos, ypos, id, control 
if(state = "U" ){
    if ( isTopLeftCorner(xpos, ypos) ) {
        ;show all working spaces
        Send #{Tab}
        MouseMove, % leftEdge + 10, % topEdge + 10
    }
    else if (isTopRightCorner(xpos, ypos)) {
        ;do something
    }
    else if (isBottomLeftCorner(xpos, ypos)) {
        ;show desktop
        Send #d
        MouseMove, % leftEdge + 10, % bottomEdge - 10
    }
    else if (isBottomRightCorner(xpos, ypos)) {
        ;do something
    }
    else if (isRightEdge(xpos, ypos)){
        ;switch right
        Send ^#{Right}
        MouseMove, % rightEdge - 20, ypos
    } 
    else if (isLeftEdge(xpos, ypos)){
        ;switch left
        Send ^#{Left}
        MouseMove, % leftEdge + 20, ypos
    } 
    else if (isTopEdge(xpos, ypos)) {
        ;do something
    }
    else if (isBottomEdge(xpos, ypos)) {
        ;do something
    }
}
return