+# SETTINGS
+term_lines = 32
+term_columns = 104
+http_port = 2218
+
+
handler = (req, res) ->
reply_err = (req, res, msg) ->
res.writeHead(200, 'Content-Type': 'text/plain')
fs = require('fs')
terminal = require('./terminal.coffee')
-# SETTINGS
-app.listen(2218)
-term = terminal.new(104, 66)
+app.listen(http_port)
+term = terminal.new(term_columns, term_lines)
sockets = []
return "\x1b[#{parts.join ';'}m"
else
return ''
+ encode_screen = (height, width, text, attributes) ->
+ state = ''
+ for y in [0...height]
+ max = width - 1
+ while max >= 0 and text[y][max] is ' ' and (attributes[y][max] & 0x08ff00) is 0
+ max -= 1
+ if max >= 0
+ for x in [0..max]
+ if attributes[y][x] isnt a
+ state += attr_diff a, attributes[y][x]
+ a = attributes[y][x]
+ state += text[y][x]
+ if y < height - 1
+ state += '\n'
+ return state
a = 0x07
state = ''
- # FIXME handle alt screen
- for y in [0...term.height]
- for x in [0...term.width]
- if term.attributes[y][x] isnt a
- state += attr_diff a, term.attributes[y][x]
- a = term.attributes[y][x]
- state += term.text[y][x]
- if y < term.height - 1
- state += '\n'
+ if term.saved_normal_screen?
+ state += encode_screen term.height, term.width, term.saved_normal_screen.text, term.saved_normal_screen.attributes
+ state += "\x1b[#{term.saved_normal_screen.y + 1};#{term.saved_normal_screen.x + 1}H"
+ state += "\x1b[?1049h\x1b[H" # flip to alt screen and move cursor home
+ state += encode_screen term.height, term.width, term.text, term.attributes
state += attr_diff a, term.a
state += "\x1b[#{term.y + 1};#{term.x + 1}H"
unless term.cursor_visible