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window.rb
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window.rb
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require 'ncurses'
class Window
attr_reader :scr, :rows, :cols, :x, :y, :opts
attr_accessor :focus
def initialize(rows, cols, y, x, opts = {})
@rows = rows
@cols = cols
@y = y
@x = x
@opts = opts
@focus = false
create_screen
end
def create_screen
@scr = Ncurses.newwin(rows, cols, y, x)
clear
end
def resize(rows, cols, y, x)
@rows = rows
@cols = cols
@y = y
@x = x
scr.delwin
create_screen
refresh
end
def opt(option)
if opts.key?(option)
opts[option]
else
false
end
end
def set_attr(opts)
scr.attron(opts)
end
def clear_attr(opts)
scr.attroff(opts)
end
def fixed_text_at(y, x, str, size, opts = nil)
if str.size > size
str = str[0..size]
else
str = str + (" " * (size - str.size))
end
text_at(y, x, str, opts)
end
def text_at(y, x, str, opts = nil)
set_attr(opts) unless opts.nil?
scr.mvaddstr(y, x, str)
clear_attr(opts) unless opts.nil?
end
def text(str, opts = nil)
set_attr(opts)
scr.addstr(str)
clear_attr(opts)
end
def refresh
scr.wrefresh
end
def clear
scr.wclear
scr.wrefresh
end
def render
if opt(:box)
scr.box(Ncurses::ACS_VLINE, Ncurses::ACS_HLINE)
end
if opt(:header)
opts = Ncurses::A_BOLD
opts = opts | Ncurses::A_REVERSE if self.focus
text_at(0, 2, opt(:header), opts)
end
yield self if block_given?
refresh
end
end