###### Easy Window Dragging (requires XP/2k/NT)

Normally, a window can only be dragged by clicking on its title bar. This script extends that so that any point inside a window can be dragged. To activate this mode, hold down CapsLock or the middle mouse button while clicking, then drag the window to a new position.

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    ; Note: You can optionally release Capslock or the middle mouse button after
    ; pressing down the mouse button rather than holding it down the whole time.
    ; This script requires v1.0.25+.

    ~MButton & LButton::
    CapsLock & LButton::
    CoordMode, Mouse  ; Switch to screen/absolute coordinates.
    MouseGetPos, EWD_MouseStartX, EWD_MouseStartY, EWD_MouseWin
    WinGetPos, EWD_OriginalPosX, EWD_OriginalPosY,,, ahk_id %EWD_MouseWin%
    WinGet, EWD_WinState, MinMax, ahk_id %EWD_MouseWin%
    if EWD_WinState = 0  ; Only if the window isn't maximized
        SetTimer, EWD_WatchMouse, 10 ; Track the mouse as the user drags it.
    return

    EWD_WatchMouse:
    GetKeyState, EWD_LButtonState, LButton, P
    if EWD_LButtonState = U  ; Button has been released, so drag is complete.
    {
        SetTimer, EWD_WatchMouse, off
        return
    }
    GetKeyState, EWD_EscapeState, Escape, P
    if EWD_EscapeState = D  ; Escape has been pressed, so drag is cancelled.
    {
        SetTimer, EWD_WatchMouse, off
        WinMove, ahk_id %EWD_MouseWin%,, %EWD_OriginalPosX%, %EWD_OriginalPosY%
        return
    }
    ; Otherwise, reposition the window to match the change in mouse coordinates
    ; caused by the user having dragged the mouse:
    CoordMode, Mouse
    MouseGetPos, EWD_MouseX, EWD_MouseY
    WinGetPos, EWD_WinX, EWD_WinY,,, ahk_id %EWD_MouseWin%
    SetWinDelay, -1   ; Makes the below move faster/smoother.
    WinMove, ahk_id %EWD_MouseWin%,, EWD_WinX + EWD_MouseX - EWD_MouseStartX, EWD_WinY + EWD_MouseY - EWD_MouseStartY
    EWD_MouseStartX := EWD_MouseX  ; Update for the next timer-call to this subroutine.
    EWD_MouseStartY := EWD_MouseY
    return