x, y = term.getSize()
--names and programes
words = {first = {name = "first", program = "program1"},
second = {name = "second", program = "program2"},
third = {name = "third", program = "program3"}}
--positions
pos = {math.ceil(y/4), math.ceil(y/4*2), math.ceil(y/4)*3}
--variables
sel = 1
relay = true
version = "v-.-.-"
function center(text, str)
term.setCursorPos(x/2 - math.floor(#text/2), str)
write(text)
end
function left(text, str)
term.setCursorPos(1, str)
write(text)
end
function right(text, str)
term.setCursorPos(x-#text, str)
write(text)
end
function line(text, str)
for i = 1, x do
term.setCursorPos(i, str)
write(text)
end
end
function wline(text, str)
for i = 1, y do
term.setCursorPos(str, i)
write(text)
end
end
function window()
term.clear()
line("=", 1)
line("=", y)
wline("=", 1)
wline("=", x)
center(words.first.name, pos[1])
center(words.second.name, pos[2])
center(words.third.name, pos[3])
right("========", y-1)
right(" "..version, y)
end
function test()
if sel == 1 then
center("> "..words.first.name.." <", pos[1])
elseif sel == 2 then
center("> "..words.second.name.." <", pos[2])
elseif sel == 3 then
center("> "..words.third.name.." <", pos[3])
end
end
window()
test()
print(a)
while relay do
local event, key = os.pullEvent()
if key == keys.up and sel > 1 then sel = sel - 1
window()
test()
elseif key == keys.down and sel < 3 then sel = sel + 1
window()
test()
elseif key == keys.leftAlt then
term.clear()
relay = false
term.setCursorPos(1, 1)
elseif key == keys.enter and sel == 1 then
shell.run(words.first.program)
relay = false
elseif key == keys.enter and sel == 2 then
shell.run(words.second.program)
relay = false
elseif key == keys.enter and sel == 3 then
shell.run(words.third.program)
relay = false
end
end
term.clear()
term.setCursorPos(1, 1)

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