Python-EFL is a wrapper around the Enlightenment GUI kit. This series of tutorials is an update from the original author.

Callback demo

'''
Abdur-Ramaan Janhangeer
Updated from Jeff Hoogland's tutos
for Python3.9 and Python-elf 1.25.0

https://www.toolbox.com/tech/operating-systems/blogs/py-efl-tutorial-2-weight-hints-031215/
'''

import efl.elementary as elm
from efl.elementary.box import Box
from efl.elementary.button import Button
from efl.elementary.label import Label
from efl.elementary.window import StandardWindow
from efl.evas import EVAS_HINT_EXPAND

EXPAND_BOTH = EVAS_HINT_EXPAND, EVAS_HINT_EXPAND


class MainWindow(StandardWindow):
    def __init__(self):
        StandardWindow.__init__(self, "ex1", "Good Bye Elementary", size=(300, 200))
        self.callback_delete_request_add(lambda o: elm.exit())
        our_label = Label(self)
        our_label.size_hint_weight = EXPAND_BOTH
        our_label.text = "Hello Elementary!"
        our_label.show()

        our_button = Button(self)
        our_button.size_hint_weight = EXPAND_BOTH
        our_button.text = "Good Bye Elementary!"
        our_button.callback_clicked_add(self.button_pressed)
        our_button.show()

        our_box = Box(self)
        our_box.size_hint_weight = EXPAND_BOTH
        our_box.pack_end(our_label)
        our_box.pack_end(our_button)
        our_box.show()

        self.resize_object_add(our_box)

    def button_pressed(self, btn):
        elm.exit()


if __name__ == "__main__":
    elm.init()
    gui = MainWindow()
    gui.show()
    elm.run()
    elm.shutdown()