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opus/sys/apps/vnc.lua
2017-10-09 13:08:38 -04:00

99 lines
1.8 KiB
Lua

_G.requireInjector()
local Event = require('event')
local Socket = require('socket')
local Terminal = require('terminal')
local Util = require('util')
local colors = _G.colors
local multishell = _ENV.multishell
local term = _G.term
local remoteId
local args = { ... }
if #args == 1 then
remoteId = tonumber(args[1])
else
print('Enter host ID')
remoteId = tonumber(_G.read())
end
if not remoteId then
error('Syntax: vnc <host ID>')
end
multishell.setTitle(multishell.getCurrent(), 'VNC-' .. remoteId)
print('connecting...')
local socket, msg = Socket.connect(remoteId, 5900)
if not socket then
error(msg)
end
local function writeTermInfo()
local w, h = term.getSize()
socket:write({
type = 'termInfo',
width = w,
height = h,
isColor = term.isColor(),
})
end
writeTermInfo()
local ct = Util.shallowCopy(term.current())
if not ct.isColor() then
Terminal.toGrayscale(ct)
end
Event.addRoutine(function()
while true do
local data = socket:read()
if not data then
break
end
for _,v in ipairs(data) do
ct[v.f](unpack(v.args))
end
end
end)
ct.clear()
ct.setCursorPos(1, 1)
local filter = Util.transpose({
'char', 'paste', 'key', 'key_up',
'mouse_scroll', 'mouse_click', 'mouse_drag', 'mouse_up',
})
while true do
local e = Event.pullEvent()
local event = e[1]
if not socket.connected then
print()
print('Connection lost')
print('Press enter to exit')
_G.read()
break
end
if filter[event] then
socket:write({
type = 'shellRemote',
event = e,
})
elseif event == 'term_resize' then
writeTermInfo()
elseif event == 'terminate' then
socket:close()
ct.setBackgroundColor(colors.black)
ct.clear()
ct.setCursorPos(1, 1)
break
end
end