1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
|
from kivy.app import App
from kivy.uix.label import Label
from kivy.uix.floatlayout import FloatLayout
from kivy.properties import ObjectProperty
class BoundedLabel(Label):
pass
class Selector(FloatLayout):
app = ObjectProperty(None)
grid = ObjectProperty(None)
class TextAlignApp(App):
def select(self, case):
for _child in self.selector.grid.children[:]:
self.selector.grid.remove_widget(_child)
for valign in ('bottom', 'middle', 'top'):
for halign in ('left', 'center', 'right'):
label = BoundedLabel(text='V: %s\nH: %s' % (valign, halign),
size_hint=(None, None),
size=(150, 150),
halign=halign, valign=valign)
if case == 0:
label.text_size = (None, None)
elif case == 1:
label.text_size = (label.width, None)
elif case == 2:
label.text_size = (None, label.height)
else:
label.text_size = label.size
self.selector.grid.add_widget(label)
self.selector.grid.bind(minimum_size=self.selector.grid.setter('size'))
def build(self):
self.root = FloatLayout()
self.selector = Selector(app=self)
self.root.add_widget(self.selector)
self.grid = None
self.select(0)
return self.root
TextAlignApp().run()
|
