1 #!/usr/bin/env python3

     2 # -*- coding: utf-8 -*-

     3 

     4 import locale

     5 import os

     6 

     7 from tuikit.application import Application

     8 from tuikit.window import Window

     9 from tuikit.label import Label

    10 from tuikit.button import Button

    11 from tuikit.layout import AnchorLayout

    12 from tuikit.common import Borders

    13 

    14 

    15 class MyApplication(Application):

    16     def __init__(self):

    17         Application.__init__(self)

    18         self.top = AnchorLayout()

    19         self.top.name = 'top'

    20         self.top.add_handler('keypress', self.on_top_keypress)

    21 

    22         win = Window()

    23         win.name = 'window'

    24         win.title = 'AnchorLayout demo'

    25         win.resize(80, 25)

    26         self.top.add(win, halign='left', valign='top')

    27         self.win = win

    28 

    29         button_valign = Button('valign: ' + self.win.hints['valign'].selected)

    30         button_valign.name = 'button_valign'

    31         button_valign.add_handler('click', self.on_button_align_click)

    32         win.add(button_valign, halign='center', margin=Borders(t=2))

    33 

    34         button_halign = Button('halign: ' + self.win.hints['halign'].selected)

    35         button_halign.name = 'button_halign'

    36         button_halign.add_handler('click', self.on_button_align_click)

    37         win.add(button_halign, halign='center', margin=Borders(t=4))

    38 

    39         label_margin = Label(str(self.win.hints['margin']))

    40         label_margin.name = 'label_margin'

    41         label_margin.add_handler('draw', self.on_label_margin_draw)

    42         win.add(label_margin, halign='center', margin=Borders(t=6))

    43 

    44     def on_button_align_click(self, ev):

    45         align_type = ev.originator.label.split(':', 1)[0]

    46         align = self.win.hints[align_type]

    47         align.select_next()

    48         ev.originator.label = '%s: %s' % (align_type, align.selected)

    49         self.top.emit('resize')

    50         return True

    51 

    52     def on_label_margin_draw(self, ev):

    53         ev.originator.label = str(self.win.hints['margin'])

    54 

    55     def on_top_keypress(self, ev):

    56         if ev.keyname == 'escape':

    57             self.terminate()

    58             return True

    59 

    60 

    61 if __name__ == '__main__':

    62     locale.setlocale(locale.LC_ALL, '')

    63     os.environ['ESCDELAY'] = '25' # do not wait 1 second after pressing Escape key

    64     app = MyApplication()

    65     app.start()