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import math
from gi.repository import Gtk
from gi.repository import GObject
from gi.repository import cairo
from sugar3.graphics import style
BORDER_DEFAULT = style.LINE_WIDTH
class RoundBox(Gtk.HBox):
__gtype_name__ = 'RoundBox'
def __init__(self, **kwargs):
GObject.GObject.__init__(self, **kwargs)
self._radius = style.zoom(10)
self.border_color = style.COLOR_BLACK
self.background_color = None
self.set_resize_mode(Gtk.ResizeMode.PARENT)
self.connect("draw", self.__expose_cb)
self.connect("add", self.__add_cb)
def __add_cb(self, child, params):
child.set_border_width(style.zoom(5))
def __expose_cb(self, widget, cr):
rect = self.get_allocation()
x = rect.x
y = rect.y
width = rect.width - BORDER_DEFAULT
height = rect.height - BORDER_DEFAULT
cr.move_to(x, y)
cr.arc(x + width - self._radius, y + self._radius,
self._radius, math.pi * 1.5, math.pi * 2)
cr.arc(x + width - self._radius, y + height - self._radius,
self._radius, 0, math.pi * 0.5)
cr.arc(x + self._radius, y + height - self._radius,
self._radius, math.pi * 0.5, math.pi)
cr.arc(x + self._radius, y + self._radius, self._radius,
math.pi, math.pi * 1.5)
cr.close_path()
if self.background_color != None:
r, g, b, __ = self.background_color.get_rgba()
cr.set_source_rgb(r, g, b)
cr.fill_preserve()
if self.border_color != None:
r, g, b, __ = self.border_color.get_rgba()
cr.set_source_rgb(r, g, b)
cr.set_line_width(BORDER_DEFAULT)
cr.stroke()
return False
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