This is my attempt at a program that will allow you to type randomly on the keyboard and have pre-determined text entered instead. This can be useful when performing live demonstrations or when you want to impress someone (ha!). Started as a response to a question on SuperUser: http://superuser.com/questions/642041/hacker-typer-style-application…

Magic-Button-Masher.ahk

#UseHook  	; Avoid loops of the Send command triggering the hotkey again.
AutoTrim, Off	; Don't auto-trim spaces and tabs from the beginning and end of the sourcetext.
SendMode InputThenPlay	; Try to prevent the user from corrupting the buffer text.
SetWorkingDir %A_ScriptDir%

Suspend, On		; Start suspended

FileRead, MasherBuffer, magic-button-masher-text.txt
if ErrorLevel
    MasherBuffer = Type or paste text here. You can also drag-and-drop text files here.

Gui, +Resize +MinSize400x200
Gui, Add, Text,, When you are ready, un-suspend this script (Ctrl and `` together will toggle the suspension).`nType any character on the main QWERTY keyboard to send the characters from the buffer instead.
Gui, Add, Edit, vMasherBuffer, %MasherBuffer%
Gui, Show,, Magic Button Masher Buffer
Return

GuiSize:
if ErrorLevel = 1  ; The window has been minimized.  No action needed.
    return
; Otherwise, the window has been resized or maximized. Resize the MasherBuffer control to match.
NewWidth := A_GuiWidth - 20
NewHeight := A_GuiHeight - 50
GuiControl, Move, MasherBuffer, W%NewWidth% H%NewHeight%
return

GuiDropFiles:
Loop, parse, A_GuiEvent, `n
{
	FileRead, AddToBuffer, %A_LoopField%
	MasherBuffer = %MasherBuffer%`n`n%AddToBuffer%
}
GuiControl,, MasherBuffer, %MasherBuffer%
return

^`::Suspend

!`::Gui, Show,, Magic Button Masher Buffer

;	#IfWinActive ahk_class Notepad	; This limits the button masher to Notepad.
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Space::
GuiControlGet, MasherBuffer
StringLeft, outbound, MasherBuffer, 1
StringTrimLeft, MasherBuffer, MasherBuffer, 1
GuiControl,, MasherBuffer, %MasherBuffer%
if outbound = %A_Space%
	Send {Space}
else if outbound = %A_Tab%
	Send {Tab}
else
	Send {%outbound%}
return