import curses
import color
from point import Point

class HighlightRegion(object):
    def __init__(self, w, p1, p2, fg='default', bg='default', match=None, name='lit'):
        self.window = w
        self.p1     = p1
        self.p2     = p2
        self.fg     = fg
        self.bg     = bg
        self.match  = match
        self.name   = name
    def __len__(self):
        return 5
    def __getitem__(self, i):
        if i == 0: return self.window
        elif i == 1: return self.p1
        elif i == 2: return self.p2
        elif i == 3: return self.fg
        elif i == 4: return self.bg
        else: raise IndexError

class RenderString(object):
    def __init__(self, s, y=0, x=0, attrs=None):
        if attrs is None:
            attrs = color.build('default', 'default')

        self.string = s
        self.y      = y
        self.x      = x
        self.attrs  = attrs
    def draw(self, cwin, y, x, x2=None):
        try:
            if x2:
                s = '%-*s' % (x2 - x, self.string)
            else:
                s = self.string
            s2 = s.encode('utf-8')
            cwin.addstr(self.y + y, self.x + x, s2, self.attrs)
        except curses.error:
            raise
            #v = (self.y, y, self.x, x, self.string, self.attrs, str(e))
            #raise Exception, "cwin.addstr(%d + %d, %d + %d, %r, %r) failed:\n%s" % v