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require 'ncurses'
module CLI
@@mev = nil
extend self
def self.keytable(key)
case key
when 12
'<redraw>'
when ?\n
'<cr>'
when ?\b, Ncurses::KEY_BACKSPACE, 127
'<bs>'
when Ncurses::KEY_RIGHT
'<right>'
when Ncurses::KEY_LEFT
'<left>'
when Ncurses::KEY_UP
'<up>'
when Ncurses::KEY_DOWN
'<down>'
when ?\e
'<esc>'
when Ncurses::KEY_BTAB
'<s-tab>'
when 9
'<tab>'
when 1..26 # CTRL + ...
"<c-#{(key+96).chr}>"
when 32..127
key.chr
when Ncurses::KEY_MOUSE
fetch_mouse_data
'<mouse>'
else
''
end
end
def fetch_mouse_data
@@mev = MouseEvent.new
Ncurses::getmouse(@@mev)
end
def mouse
@@mev
end
def clear_keybuffer
Ncurses.flushinp
end
def self.included(this)
@@window = Ncurses.initscr
starti
end
# (Re)Start the Interface
def starti
@@running = true
@@screen = Ncurses.stdscr
@@screen.keypad(true)
Ncurses.start_color
Ncurses.use_default_colors
Ncurses.noecho
Ncurses.curs_set 0
Ncurses.halfdelay(200)
@@colortable = []
end
MOUSE_MASK_ON = Ncurses::ALL_MOUSE_EVENTS | Ncurses::REPORT_MOUSE_POSITION
MOUSE_MASK_OFF = 0
def init_mouse
Ncurses.mouseinterval( 0 )
Ncurses.mousemask( MOUSE_MASK_ON, [] )
end
def stop_mouse
Ncurses.mousemask( MOUSE_MASK_OFF, [] )
end
def self.refresh
Ncurses.refresh
end
# Close the Interface
def closei
@@running = false
Ncurses.echo
Ncurses.nocbreak
Ncurses.curs_set 1
Ncurses.endwin
end
def running?() @@running end
def cleari
Ncurses.mvaddstr(0, 0, ' ' * (lines * cols))
end
def geti
CLI.keytable(Ncurses.getch)
end
def set_title(x)
print "\e]2;#{x}\007"
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 attr_set(fg=-1, bg=-1, attr = nil)
fg, bg, attr = fg if fg.is_a? Array
if attr
Ncurses.attrset(attr | Ncurses.COLOR_PAIR(get_color(fg, bg)))
else
Ncurses.color_set(get_color(fg, bg), nil)
end
end
def attr_at(y=0, x=0, len=-1, fg=-1, bg=-1, attr=0)
fg, bg, attr = fg if fg.is_a? Array
y += lines if y < 0
x += cols if x < 0
attr ||= 0
Ncurses.mvchgat(y, x, len, attr, 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
class MouseEvent # {{{
attr_accessor :id, :x,:y,:z, :bstate
def press1?() 0 != @bstate & Ncurses::BUTTON1_PRESSED end
def press2?() 0 != @bstate & Ncurses::BUTTON2_PRESSED end
def press3?() 0 != @bstate & Ncurses::BUTTON3_PRESSED end
def press4?() 0 != @bstate & Ncurses::BUTTON4_PRESSED end
## this does not work. BUTTON5_* is not defined
def press5?() 0 != @bstate & Ncurses::BUTTON5_PRESSED end
## this is an EVIL fix but I don't know better
def press5?() 0 != ( @bstate & 128 ) + ( @bstate & 134217728 ) end
def release1?() 0 != @bstate & Ncurses::BUTTON1_RELEASED end
def release2?() 0 != @bstate & Ncurses::BUTTON2_RELEASED end
def release3?() 0 != @bstate & Ncurses::BUTTON3_RELEASED end
def release4?() 0 != @bstate & Ncurses::BUTTON4_RELEASED end
# def release5?() 0 != @bstate & Ncurses::BUTTON5_RELEASED end
def click1?() 0 != @bstate & Ncurses::BUTTON1_CLICKED end
def click2?() 0 != @bstate & Ncurses::BUTTON2_CLICKED end
def click3?() 0 != @bstate & Ncurses::BUTTON3_CLICKED end
def click4?() 0 != @bstate & Ncurses::BUTTON4_CLICKED end
# def click5?() 0 != @bstate & Ncurses::BUTTON5_CLICKED end
def doubleclick1?() 0 != @bstate & Ncurses::BUTTON1_DOUBLE_CLICKED end
def doubleclick2?() 0 != @bstate & Ncurses::BUTTON2_DOUBLE_CLICKED end
def doubleclick3?() 0 != @bstate & Ncurses::BUTTON3_DOUBLE_CLICKED end
def doubleclick4?() 0 != @bstate & Ncurses::BUTTON4_DOUBLE_CLICKED end
# def doubleclick5?() 0 != @bstate & Ncurses::BUTTON5_DOUBLE_CLICKED end
def tripleclick1?() 0 != @bstate & Ncurses::BUTTON1_TRIPLE_CLICKED end
def tripleclick2?() 0 != @bstate & Ncurses::BUTTON2_TRIPLE_CLICKED end
def tripleclick3?() 0 != @bstate & Ncurses::BUTTON3_TRIPLE_CLICKED end
def tripleclick4?() 0 != @bstate & Ncurses::BUTTON4_TRIPLE_CLICKED end
# def tripleclick5?() 0 != @bstate & Ncurses::BUTTON5_TRIPLE_CLICKED end
def alt?() 0 != @bstate & Ncurses::BUTTON_ALT end
def shift?() 0 != @bstate & Ncurses::BUTTON_SHIFT end
def ctrl?() 0 != @bstate & Ncurses::BUTTON_CTRL end
## too many keys {{{
# def press6?() 0 != @bstate & Ncurses::BUTTON6_PRESSED end
# def press7?() 0 != @bstate & Ncurses::BUTTON7_PRESSED end
# def press8?() 0 != @bstate & Ncurses::BUTTON8_PRESSED end
# def press9?() 0 != @bstate & Ncurses::BUTTON9_PRESSED end
# def release6?() 0 != @bstate & Ncurses::BUTTON6_RELEASED end
# def release7?() 0 != @bstate & Ncurses::BUTTON7_RELEASED end
# def release8?() 0 != @bstate & Ncurses::BUTTON8_RELEASED end
# def release9?() 0 != @bstate & Ncurses::BUTTON9_RELEASED end
# def click6?() 0 != @bstate & Ncurses::BUTTON6_CLICKED end
# def click7?() 0 != @bstate & Ncurses::BUTTON7_CLICKED end
# def click8?() 0 != @bstate & Ncurses::BUTTON8_CLICKED end
# def click9?() 0 != @bstate & Ncurses::BUTTON9_CLICKED end
# def doubleclick6?() 0 != @bstate & Ncurses::BUTTON6_DOUBLE_CLICKED end
# def doubleclick7?() 0 != @bstate & Ncurses::BUTTON7_DOUBLE_CLICKED end
# def doubleclick8?() 0 != @bstate & Ncurses::BUTTON8_DOUBLE_CLICKED end
# def doubleclick9?() 0 != @bstate & Ncurses::BUTTON9_DOUBLE_CLICKED end
# def tripleclick6?() 0 != @bstate & Ncurses::BUTTON6_TRIPLE_CLICKED end
# def tripleclick7?() 0 != @bstate & Ncurses::BUTTON7_TRIPLE_CLICKED end
# def tripleclick8?() 0 != @bstate & Ncurses::BUTTON8_TRIPLE_CLICKED end
# def tripleclick9?() 0 != @bstate & Ncurses::BUTTON9_TRIPLE_CLICKED end
# }}}
end # }}}
end
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