我想在彈出窗口中更改類的一些按鈕標簽，并在重新打開彈出窗口后保留新標簽。如果您運行我的應用程序，您可以看到按下“按我”按鈕后，出現(xiàn)一個彈出窗口，其中包含一個帶有標簽“默認”的按鈕，按下它后，它將標簽更改為“新建”。我希望能夠關閉彈出窗口，按“按我”按鈕，然后在彈出窗口中看到帶有標簽“新”的按鈕。我的.py文件from kivy.uix.floatlayout import FloatLayoutfrom kivy.core.window import Windowfrom kivy.uix.popup import Popupfrom kivy.app import Appfrom kivy.uix.widget import Widgetimport timeWindow.clearcolor = (1, 1, 1, 1)Window.size = (800, 480)class MyGrid(Widget): def btn(self): show_popup(T, "Window")class T(FloatLayout): passdef show_popup(tab, name): show = tab() popupWindow = Popup(title = name, content = show, size_hint = (None,None), size = (800,384), auto_dismiss = True) popupWindow.open() return popupWindowclass TimeApp(App): def build(self): return MyGrid()if __name__ == "__main__": TimeApp().run()我的 .kv 文件<MyGrid> Button: text: "Press me" on_press: root.btn()<T>: Button: pos_hint: {"center_x": 0.5, "center_y": 0.5} text: "Default" on_press: self.text = "New"
1 回答
慕桂英4014372
TA貢獻1871條經(jīng)驗 獲得超13個贊
您可以執(zhí)行此操作的一種方法是保留對彈出窗口的引用。
側(cè)面：py
Window.clearcolor = (1, 1, 1, 1)
Window.size = (800, 480)
class MyGrid(Widget):
def __init__(self, **kwargs):
super(MyGrid, self).__init__(**kwargs)
self.popupWindow = Popup(content=T(), size_hint=(None, None),
size=(800, 384), auto_dismiss=True)
def btn(self):
self.show_popup("Window")
def show_popup(self, name):
self.popupWindow.title = name
self.popupWindow.open()
class T(FloatLayout):
pass
class TimeApp(App):
def build(self):
return MyGrid()
if __name__ == "__main__":
TimeApp().run()
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