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os.pullEvent = os.pullEventRaw
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shell.run(".settings")
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local w,h = term.getSize()
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function printCentered( y,s )
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   local x = math.floor((w - string.len(s)) / 2)
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   term.setCursorPos(x,y)
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   term.clearLine()
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   term.write( s )
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end
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local nOption = 1
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local function drawMenu()
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   term.clear()
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   term.setCursorPos(1,1)
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   term.write("Impending OS Alpha // ")
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   term.write("MagmaOS Alpha // ")
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term.setCursorPos(1,2)
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shell.run("id")
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   term.setCursorPos(w-11,1)
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   if nOption == 1 then
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   term.write("Command")
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elseif nOption == 2 then
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   term.write("Programs")
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elseif nOption == 3 then
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   term.write("Settings")
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elseif nOption == 4 then
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   term.write("Uninstall")
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else
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end
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end
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--GUI
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term.clear()
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local function drawFrontend()
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   printCentered( math.floor(h/2) - 3, "")
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   printCentered( math.floor(h/2) - 2, "Start Menu" )
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   printCentered( math.floor(h/2) - 1, "")
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   printCentered( math.floor(h/2) + 0, ((nOption == 1) and "[ Command  ]") or "Command" )
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   printCentered( math.floor(h/2) + 0, ((nOption == 1) and "[ Command  ]") or "Command " )
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   printCentered( math.floor(h/2) + 1, ((nOption == 2) and "[ Programs ]") or "Programs" )
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   printCentered( math.floor(h/2) + 2, ((nOption == 3) and "[ Shutdown ]") or "Shutdown" )
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   printCentered( math.floor(h/2) + 2, ((nOption == 3) and "[ Settings ]") or "Settings" )
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   printCentered( math.floor(h/2) + 3, ((nOption == 4) and "[ Uninstall]") or " Uninstall" )
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   printCentered( math.floor(h/2) + 3, ((nOption == 4) and "[ Shutdown ]") or "Shutdown" )
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   printCentered( math.floor(h/2) + 4, "")
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end
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--Display
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drawMenu()
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drawFrontend()
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while true do
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 local e,p = os.pullEvent()
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 if e == "key" then
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  local key = p
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  if key == 17 or key == 200 then
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   if nOption > 1 then
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    nOption = nOption - 1
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    drawMenu()
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    drawFrontend()
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   end
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  elseif key == 31 or key == 208 then
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  if nOption < 4 then
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  nOption = nOption + 1
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  drawMenu()
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  drawFrontend()
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end
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elseif key == 28 then
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    --End should not be here!!
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break
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end --End should be here!!
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end 
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end
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end
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term.clear()
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--Conditions
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if nOption  == 1 then
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shell.run("ios/.command")
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shell.run(".clear")
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elseif nOption == 2 then
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shell.run("ios/.programs")
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shell.run(".programs")
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elseif nOption == 3 then
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shell.run(".changeLogin")
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elseif nOption == 4 then
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shell.run("ios/.UninstallDialog")
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end