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import math
from gi.repository import Gtk
from gi.repository import Gdk
from sugar3.graphics import style
class RoundBox(Gtk.HBox):
__gtype_name__ = 'RoundBox'
_BORDER_DEFAULT = style.LINE_WIDTH
def __init__(self, **kwargs):
Gtk.HBox.__init__(self, **kwargs)
self._radius = style.zoom(30)
self.border = self._BORDER_DEFAULT
self.border_color = style.Color('#000000')
self.background_color = None
#self.set_reallocate_redraws(True)
self.connect("draw", self.__draw_cb)
def __draw_cb(self, widget, cr):
rect = self.get_allocation()
x = rect.x + self._BORDER_DEFAULT / 2
y = rect.y + self._BORDER_DEFAULT / 2
width = rect.width - self._BORDER_DEFAULT - (self.props.margin * 2)
height = Gdk.Screen.height() - self._BORDER_DEFAULT - \
(self.props.margin * 5)
cr.move_to(x + self._radius, 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 is not None:
r, g, b, __ = self.background_color.get_rgba()
cr.set_source_rgb(r, g, b)
cr.fill_preserve()
if self.border_color is not None:
r, g, b, __ = self.border_color.get_rgba()
cr.set_source_rgb(r, g, b)
cr.set_line_width(self.border)
cr.stroke()
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