Kivy ProgressBar弹出窗口无法正确显示

时间:2020-07-07 15:52:14

标签: python popup kivy progress-bar clock

我想实现两种加载弹出窗口:

  1. 弹出式窗口以预定义的持续时间被调用
  2. 弹出式窗口已从其他功能更新

第一个弹出窗口正常工作。但是,直到功能完成,第二个弹出窗口才会显示。我认为我在某个地方缺少Clock.schedule_once,但是我不确定确切在哪里以及如何实现它。

class BoxL(BoxLayout): 
    def __init__(self): 
        super(BoxL, self).__init__()

    def next(self, dt):
        if self.progress_bar.value>=100:
            return False
        self.progress_bar.value += 1
        if self.progress_bar.value == 100:
            self.popup.dismiss()

    def next_manually(self, dt):
        if self.progress_bar.value>=100:
            return False
        self.progress_bar.value = self.loadingValue
        if self.progress_bar.value == 100:
            self.popup.dismiss()
            self.loadingValue = 0

    def loading(self, *argv):
        if len(argv) == 1:
            loadingText = argv[0]
        if len(argv) == 2:
            loadingText = argv[0]
            loadingTime = argv[1]
        self.progress_bar = ProgressBar()
        self.popup = Popup(title='[b]Loading: [/b]' + loadingText,
                               title_size = 20,
                               title_align = 'center',
                               auto_dismiss = False,
                               size_hint = (None, None),
                               size = (384, 160),
                               content = self.progress_bar)
        if len(argv) == 2:
            self.popup.bind(on_open=
                            Clock.schedule_interval(self.next, loadingTime/100))
        if len(argv) == 1:
            self.popup.bind(on_open=
                            Clock.schedule_interval(self.next_manually, 5/100))
        self.progress_bar.value = 0
        self.popup.open()

现在是实际调用弹出窗口的函数:

    def test(self):
        self.loading('Testload', 5)
    
    def test2(self):
        self.loading('TestLoad2')
        time.sleep(1)
        self.loadingValue = 10
        time.sleep(1)
        self.loadingValue = 30
        time.sleep(1)
        self.loadingValue = 35
        time.sleep(1)
        self.loadingValue = 50
        time.sleep(1)
        self.loadingValue = 60
        time.sleep(1)
        self.loadingValue = 90
        time.sleep(1)
        self.loadingValue = 100

1 个答案:

答案 0 :(得分:0)

您没有显示如何调用test2(),但是如果它在主线程上执行,那么它将在主线程上停止所有其他执行7秒钟(对{{1}的7次调用})。然后,当它完成时,主线程可以继续执行,并且sleep的值将更新为ProgressBar,当时的值为loadingValue。我认为您需要将大多数100方法放在另一个线程中。尝试这样的事情:

test2()