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mirror of https://github.com/20kdc/OC-KittenOS.git synced 2024-11-23 19:08:05 +11:00
OC-KittenOS/code/apps/svc-t.lua
2020-03-30 14:36:33 +01:00

162 lines
3.2 KiB
Lua

-- This is released into the public domain.
-- No warranty is provided, implied or otherwise.
-- svc-t.lua : terminal
local _, _, retTbl, title = ...
assert(retTbl, "need to alert creator")
if title ~= nil then
assert(type(title) == "string", "title must be string")
end
local function rW()
return string.format("%04x", math.random(0, 65535))
end
local id = "svc.t/" .. rW() .. rW() .. rW() .. rW()
local closeNow = false
local tReg = neo.requireAccess("r." .. id, "registration")
-- unicode.safeTextFormat'd lines
local console = {}
for i = 1, 14 do
console[i] = (" "):rep(40)
end
local l15 = ""
--++++++++++++++++++++++++++++++++++++++++
-- sW must not go below 3.
-- sH must not go below 2.
local sW, sH = 40, 15
local cX = 1
local windows = neo.requireAccess("x.neo.pub.window", "windows")
local window = windows(sW, sH, title)
local function fmtLine(s)
s = unicode.safeTextFormat(s)
local l = unicode.len(s)
return unicode.sub(s .. (" "):rep(sW - l), -sW)
end
local function line(i)
local l, c = console[i] or l15
l, c = unicode.safeTextFormat(l, cX)
l = require("lineedit").draw(sW, l, i == sH and c)
if i ~= sH then
window.span(1, i, l, 0xFFFFFF, 0)
else
window.span(1, i, l, 0, 0xFFFFFF)
end
end
local function incoming(s)
local function shift(f)
for i = 1, #console - 1 do
console[i] = console[i + 1]
end
console[#console] = f
end
-- Need to break this safely.
shift("")
for i = 1, unicode.len(s) do
local ch = unicode.sub(s, i, i)
if unicode.wlen(console[#console] .. ch) > sW then
shift(" ")
end
console[#console] = console[#console] .. ch
end
for i = 1, #console do
line(i)
end
end
local sendSigs = {}
do
tReg(function (_, pid, sendSig)
sendSigs[pid] = sendSig
return {
id = "x." .. id,
pid = neo.pid,
line = function (text)
incoming(tostring(text))
end
}
end)
if retTbl then
coroutine.resume(coroutine.create(retTbl), {
access = "x." .. id,
close = function ()
closeNow = true
neo.scheduleTimer(0)
end
})
end
end
local function key(a, c)
local lT, lC, lX = require("lineedit").key(a, c, l15, cX)
l15 = lT or l15
cX = lC or cX
if lX == "nl" then
for _, v in pairs(sendSigs) do
v("line", l15)
end
l15 = ""
cX = 1
end
end
local control = false
while not closeNow do
local e = {coroutine.yield()}
if e[1] == "k.procdie" then
sendSigs[e[3]] = nil
elseif e[1] == "x.neo.pub.window" then
if e[3] == "close" then
break
elseif e[3] == "clipboard" then
for i = 1, unicode.len(e[4]) do
local c = unicode.sub(e[4], i, i)
if c ~= "\r" then
if c == "\n" then
c = "\r"
end
key(c, 0)
end
end
line(sH)
elseif e[3] == "key" then
if e[5] == 29 or e[5] == 157 then
control = e[6]
elseif e[6] then
if not control then
key(e[4] ~= 0 and unicode.char(e[4]), e[5])
line(sH)
elseif e[5] == 203 and sW > 8 then
sW = sW - 1
window.setSize(sW, sH)
elseif e[5] == 200 and sH > 2 then
sH = sH - 1
table.remove(console, 1)
window.setSize(sW, sH)
elseif e[5] == 205 then
sW = sW + 1
window.setSize(sW, sH)
elseif e[5] == 208 then
sH = sH + 1
table.insert(console, 1, "")
window.setSize(sW, sH)
end
end
elseif e[3] == "line" then
line(e[4])
end
end
end