add mtmenu library. undocumented and stuff. you'll work it out.

This commit is contained in:
Izaya 2023-11-23 06:44:31 +10:00
parent 78f637d8e9
commit 530b6599ff

85
mtmenu/mtmenu.lua Normal file
View File

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local event = require "event"
local mtmenu = {}
local mx, my
local ssub = (unicode or {}).sub or string.sub
function mtmenu.getScreenSize()
if mx and my then return mx, my end
io.write("\27[999;999H")
mx, my = mtmenu.getCursor()
return mx, my
end
function mtmenu.getCursor()
io.write("\27[6n")
local b = ""
repeat
b = b .. io.read(1)
until b:match("\27%[%d+;%d+R")
local y,x = b:match("\27%[(%d+);(%d+)R")
return tonumber(x), tonumber(y)
end
function mtmenu.setStatus(str)
local ox, oy = mtmenu.getCursor()
status = str
io.write(string.format("\27[%d;1H\27[0m\27[7m\27[2K%s\27[0m\27[%i;%iH", my, status, oy, ox))
end
function mtmenu.menu(items, state)
local mx, my = mtmenu.getScreenSize()
local state = state or {1,1}
local i, si = state[1], state[2]
while true do
if si > i - 3 then
si = math.max(1, i-5)
elseif i > (si+my) - 6 then
si = math.min(i - (my-3) + 5, #items - (my - 3))
end
i = math.max(1,math.min(#items, i))
print(string.format("\27[H\27[0m\27[7m\27[2K%s\27[0m", items.header or ""))
for j = si, (si+my)-3 do
print((i==j and "\27[7m" or "\27[0m") .. "\27[2K" .. (items[j] or ""):sub(1,mx))
end
mtmenu.setStatus(items.status)
local _,_,ch,co = event.pull(60,"key_down")
ch=string.char(ch or 0)
if co == 208 then -- down
i = i + 1
elseif co == 200 then -- up
i = i - 1
elseif co == 201 then -- pgdn
i = i - (my - 2)
elseif co == 209 then -- pgdn
i = i + my - 2
else
return i, ch, co, {i, si}
end
end
end
function mtmenu.popup(str,title,state)
local mx, my = mtmenu.getScreenSize()
local len = (unicode or {}).len or string.len
if title then
title=string.format("[%s]",title or "")
else
title = ""
end
local width, height, content = 0, 0, {}
for line in str:gmatch("[^\n]*") do
height = height + 1
width = math.max(width,len(line))
content[#content+1] = line
end
if width < 1 or height < 1 then return false end
local startx,starty = ((mx//2)-(width//2))-2, ((my//2)-(height//2))-2
io.write(string.format("\27[%d;%dH╒═%s%s╕",starty,startx,title,(""):rep((width+1)-len(title))))
for k,v in pairs(content) do
io.write(string.format("\27[%d;%dH│ %s%s │",starty+k,startx,v,(" "):rep(width-len(v))))
end
io.write(string.format("\27[%d;%dH┕%s┙",starty+1+#content,startx,(""):rep(width+2)))
end
return mtmenu