Ticket #3831: test.py

from gi.repository import Gtk
from gi.repository import Gdk

x = 0

class FrameWindow(Gtk.Window):
    def __init__(self):
        Gtk.Window.__init__(self)
        self.set_has_resize_grip(False)
        self.resize(100, Gdk.Screen.height())
        self.set_decorated(False)

    def do_draw(self, cr):
        # Draw the inner border as a rectangle
        r, g, b, a = 0, 0, 0, 1
        cr.set_source_rgba(r, g, b, a)

        allocation = self.get_allocation()
        cr.rectangle(allocation.x, allocation.y,
                     allocation.width, allocation.height)
        cr.fill()


window = Gtk.Window()
window.connect("delete-event", Gtk.main_quit)
window.show()

frame_panel = FrameWindow()
frame_panel.show()

def tick_cb(widget, frame_clock, bla):
    global x
    x += 1
    widget.move(x, 0)

    return True

frame_panel.move(x, 0)
frame_panel.add_tick_callback(tick_cb, None)

Gtk.main()