1 files changed, 182 insertions, 0 deletions
diff --git a/interface/ncurses.rb b/interface/ncurses.rb
new file mode 100644
index 00000000..0d2659e4
--- /dev/null
+++ b/interface/ncurses.rb
@@ -0,0 +1,182 @@
+require 'ncurses'
+
+module Interface
+	def self.keytable(key)
+		case key
+		when 12
+			'<redraw>'
+		when ?\n
+			'<cr>'
+		when ?\b, Ncurses::KEY_BACKSPACE
+			'<bs>'
+		when ?\e
+			'<esc>'
+		when ?\t
+			'<tab>'
+		when 32
+			' '
+		when 0..127
+			key.chr
+		else
+			''
+		end
+	end
+
+#	def key c#{{{
+#		case c
+#		when 12
+#			:redraw
+#		when ?\n
+#			:enter
+#		when ?\b, Ncurses::KEY_BACKSPACE
+#			:backspace
+#		when 32
+#			:space
+#		when ?\t
+#			:tab
+#		when Ncurses::KEY_BTAB
+#			:TAB
+#		when ?\e
+#			:escape
+#		when 0..127
+#			c
+#		when Ncurses::KEY_F1..Ncurses::KEY_F30
+#			('F' + (c-Ncurses::KEY_F1+1).to_s).to_sym
+#		when Ncurses::KEY_HOME
+#			:home
+#		when Ncurses::KEY_END
+#			:end
+#		when Ncurses::KEY_RESIZE
+#			:resize
+#		when Ncurses::KEY_DC
+#			:delete
+#		when Ncurses::KEY_ENTER
+#			?\n
+#		when Ncurses::KEY_RIGHT
+#			:right
+#		when Ncurses::KEY_LEFT
+#			:left
+#		when Ncurses::KEY_UP
+#			:up
+#		when Ncurses::KEY_DOWN
+#			:down
+#		when Ncurses::KEY_NPAGE
+#			:pagedown
+#		when Ncurses::KEY_PPAGE
+#			:pageup
+#		when Ncurses::KEY_IC
+#			:insert
+#		else
+##			c
+#			:error
+#		end
+#	end#}}}
+
+	def self.included(this)
+		@@window = Ncurses.initscr
+		starti
+	end
+
+	def starti
+		@@screen = Ncurses.stdscr
+		@@screen.keypad(true)
+		Ncurses.start_color
+		Ncurses.use_default_colors
+
+#		Ncurses.cbreak
+		Ncurses.noecho
+		Ncurses.curs_set 0
+		Ncurses.halfdelay(1000)
+		@@colortable = []
+	end
+
+	def closei
+		Ncurses.echo
+		Ncurses.cbreak
+		Ncurses.curs_set 1
+		Ncurses.endwin
+	end
+
+	def geti
+		Interface::keytable(Ncurses.getch)
+	end
+
+	def set_title(x)
+#		closei
+		print "\e]2;#{x}\007"
+#		system('echo', '-n', '-e', '"\e2;' + x + '\007"')
+#		starti
+	end
+
+	def lines
+		Ncurses.LINES
+	end
+
+	def cols
+		Ncurses.COLS
+	end
+
+	def movi(y=0, x=0)
+		y < 0 and y += lines
+		Ncurses.move(y, x)
+	end
+
+	def puti *args
+		case args.size
+		when 1
+			Ncurses.addstr(args[0].to_s)
+		when 2
+			if (y = args[0]) < 0 then y += Ncurses.LINES end
+			Ncurses.mvaddstr(y, 0, args[1].to_s)
+		when 3
+			if (y = args[0]) < 0 then y += Ncurses.LINES end
+			Ncurses.mvaddstr(y, args[1], args[2].to_s)
+		end
+	end
+
+	def color(fg = -1, bg = -1)
+		Ncurses.color_set(get_color(fg,bg), nil)
+	end
+
+	def color_at y, x=0, len=-1, fg=-1, bg=-1
+		if y < 0 then y += Ncurses.LINES end
+		Ncurses.mvchgat(y, x, len, 0, get_color(fg, bg), nil)
+	end
+
+	def color_bold_at y, x=0, len=-1, fg=-1, bg=-1
+		if y < 0 then y += Ncurses.LINES end
+		Ncurses.mvchgat(y, x, len, Ncurses::A_BOLD, get_color(fg, bg), nil)
+	end
+
+	def color_reverse_at y, x=0, len=-1, fg=-1, bg=-1
+		if y < 0 then y += Ncurses.LINES end
+		Ncurses.mvchgat(y, x, len, Ncurses::A_REVERSE, get_color(fg, bg), nil)
+	end
+
+	def get_color(fg, bg)
+		n = bg+2 + 9*(fg+2)
+		color = @@colortable[n]
+		unless color
+			# create a new pair
+			size = @@colortable.reject{|x| x.nil? }.size + 1
+			Ncurses::init_pair(size, fg, bg)
+			color = @@colortable[n] = size
+		end
+		return color
+	end
+
+	def bold(b = true)
+		if b
+			Ncurses.attron(Ncurses::A_BOLD) 
+		else
+			Ncurses.attroff(Ncurses::A_BOLD) 
+		end
+	end
+	def reverse(b = true)
+		if b
+			Ncurses.attron(Ncurses::A_REVERSE) 
+		else
+			Ncurses.attroff(Ncurses::A_REVERSE) 
+		end
+	end
+end