NestedBoxes Example

nested_boxes.enaml

#------------------------------------------------------------------------------
#  Copyright (c) 2012, Enthought, Inc.
#  All rights reserved.
#------------------------------------------------------------------------------
""" An example showing how the `hbox` and `vbox` layout helpers can be
nested.

The layout in this example is not necessarily one that would be used
in a production application. However, it serves to demonstrate the idea
that the `hbox` and `vbox` layout helpers can be arbitrarily nested.

"""
from enaml.layout.api import vbox, hbox, align, spacer
from enaml.widgets.api import Window, Container, Label, PushButton


enamldef Main(Window):
    Container:
        hug_height = 'strong'
        constraints = [
            vbox(
                lbl_a,
                lbl_b,
                hbox(lbl_c, spacer, lbl_d, spacer, lbl_e),
                hbox(spacer, lbl_f, lbl_g),
                hbox(btn_1, spacer, btn_2, spacer, btn_3)),
            align('h_center', self, lbl_d, btn_2),
        ]
        Label:
            id: lbl_a
            text = "Label A"
        Label:
            id: lbl_b
            text = "Label B"
        Label:
            id: lbl_c
            text = "Label C"
        Label:
            id: lbl_d
            text = "Label D"
        Label:
            id: lbl_e
            text = "Label E"
        Label:
            id: lbl_f
            text = "Label F"
        Label:
            id: lbl_g
            text = "Label G"
        PushButton:
            id: btn_1
            text = "Button 1"
        PushButton:
            id: btn_2
            text = "Button 2"
        PushButton:
            id: btn_3
            text = "Button 3"

$ enaml-run nested_boxes.enaml