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import math
from gi.repository import Gtk
from gi.repository import GObject
from sugar3.graphics import style
class RoundBox(Gtk.Box):
__gtype_name__ = 'RoundBox'
_BORDER_DEFAULT = style.LINE_WIDTH
def __init__(self):
Gtk.Box.__init__(self, orientation=Gtk.Orientation.VERTICAL)
self._x = None
self._y = None
self._width = None
self._height = None
self._radius = style.zoom(10)
self.border = self._BORDER_DEFAULT
self.border_color = style.COLOR_BLACK
self.background_color = None
self.set_reallocate_redraws(True)
self.set_resize_mode(Gtk.ResizeMode.PARENT)
self.connect("add", self.__add_cb)
def __add_cb(self, child, params):
child.set_border_width(style.zoom(5))
def __size_allocate_cb(self, widget, allocation):
self._x = allocation.x
self._y = allocation.y
self._width = allocation.width
self._height = allocation.height
def do_draw(self, context):
rect = self.get_allocation()
# set a clip region for the expose event
context.rectangle(rect.x, rect.y,
rect.width, rect.height)
context.clip()
self.draw(context)
return False
def draw(self, 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
height = rect.height - self._BORDER_DEFAULT
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()
if __name__ == '__main__':
win = Gtk.Window()
win.connect('destroy', Gtk.main_quit)
win.set_default_size(450, 550)
vbox = Gtk.VBox()
box1 = RoundBox()
vbox.add(box1)
label1 = Gtk.Label("Test 1")
box1.add(label1)
rbox = RoundBox()
rbox.background_color = style.Color('#FF0000')
vbox.add(rbox)
label2 = Gtk.Label("Test 2")
rbox.add(label2)
bbox = RoundBox()
bbox.background_color = style.Color('#aaff33')
bbox.border_color = style.Color('#ff3300')
vbox.add(bbox)
win.add(vbox)
win.show_all()
Gtk.main()
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