我希望在左侧,中间位置和右侧,底部的小部件中显示按钮和标签,而不使用.kv代码。这是我的代码,我无法弄清楚怎么做可以有人给出建议吗?
from kivy.app import App
from kivy.uix.label import Label
from kivy.uix.widget import Widget
from kivy.uix.anchorlayout import AnchorLayout
from kivy.uix.button import Button
class Container(AnchorLayout):
def __init__(self, **kwargs):
super(Container, self).__init__(**kwargs)
btn = Button(text='Hello World',anchor_x='right',anchor_y='bottom')
self.add_widget(btn)
lbl = Label(text="Am i a Label ?",anchor_x='left',anchor_y='center')
self.add_widget(lbl)
class MyJB(App):
def build(self):
parent = Container()
return parent
if __name__ == '__main__':
MyJB().run()
答案 0 :(得分:2)
AnchorLayout
将所有小部件与给定点对齐,而不是将每个小部件与其自己的点对齐。如果您希望窗口小部件锚定在不同位置,则需要使用多个AnchorLayout
。您可能还想在size
或内容小部件上指定size_hint
和AnchorLayout
。
from kivy.app import App
from kivy.uix.label import Label
from kivy.uix.widget import Widget
from kivy.uix.floatlayout import FloatLayout
from kivy.uix.anchorlayout import AnchorLayout
from kivy.uix.button import Button
class Container(FloatLayout):
def __init__(self, **kwargs):
super(Container, self).__init__(**kwargs)
anchor_rb = AnchorLayout(anchor_x='right', anchor_y='bottom')
btn = Button(text='Hello World', size=(100, 100), size_hint=(None, None))
anchor_rb.add_widget(btn)
self.add_widget(anchor_rb)
anchor_lc = AnchorLayout(anchor_x='left', anchor_y='center')
lbl = Label(text="Am i a Label ?", size=(100, 100), size_hint=(None, None))
anchor_lc.add_widget(lbl)
self.add_widget(anchor_lc)
class MyJB(App):
def build(self):
parent = Container()
return parent
if __name__ == '__main__':
MyJB().run()
就个人而言,我发现kv比手动创建小部件更清晰,它有助于在UI和行为之间提供明确的分离。
kv版:
from kivy.app import App
from kivy.lang import Builder
root = Builder.load_string('''
FloatLayout:
AnchorLayout:
anchor_x: 'right'
anchor_y: 'bottom'
Button:
text: 'Hello World'
size: 100, 100
size_hint: None, None
AnchorLayout:
anchor_x: 'left'
anchor_y: 'center'
Label:
text: 'Am i a Label ?'
size: 100, 100
size_hint: None, None
''')
class MyJB(App):
def build(self):
return root
if __name__ == '__main__':
MyJB().run()