def expose_c(self, widget, event):
x, y, w, h = self.area_a.get_allocation()
self.space_a = CartesianSpace(w, h)
x, y, w, h = self.area_c.get_allocation()
self.space_c = CartesianSpace(w, h)
cr = self.area_c.window.cairo_create()
cr.set_source_rgb(0.1, 0.1, 0.8)
cr.rectangle(0, 0, w, h)
cr.fill()
cr.set_line_width(9)
cr.set_source_rgb(0.7, 0.2, 0.0)
if self.cursor_position_c is not None:
cursor_dims = (40, 40)
cr.move_to(self.cursor_position_c[0] - cursor_dims[0] / 2,
self.cursor_position_c[1])
cr.line_to(self.cursor_position_c[0] + cursor_dims[0] / 2,
self.cursor_position_c[1])
cr.move_to(self.cursor_position_c[0],
self.cursor_position_c[1] - cursor_dims[1] / 2)
cr.line_to(self.cursor_position_c[0],
self.cursor_position_c[1] + cursor_dims[1] / 2)
cr.stroke()
def draw_b(self, cairo_context):
x, y, w, h = self.area_a.get_allocation()
padding = (self.padding * w, self.padding * h)
self.space_b = CartesianSpace(w - 2 * padding[0],
h - 2 * padding[1],
offset=(padding[0], padding[1]))
cairo_context.rectangle(*(self.space_b._offset + self.space_b.dims))
cairo_context.stroke()
