Question

我在tkinter中制作一个GUI来做一些基本的微积分。我的问题是我无法关闭一些对话框。我希望关闭它们并通过用户的选择来改变可视化。我的代码不会等到窗口关闭才能这样做，等到主类结束。我需要帮助来解决它。

class Plotia(tk.Tk):
    def __init__(self, *args, **kwargs):
        tk.Tk.__init__(self, *args, *kwargs)
        tk.Tk.wm_title(self, "Plotia")
        s = ttk.Style()
        s.theme_use("clam")

        # Configuration of the window ....
        #....
        #....
        #....
        ## Initial Values ##############################

        self.Number_Graph = 1
        self.path_file = [None for i in range(self.Number_Graph)] # Number of files
        self.columnData = [4 for i in range(self.Number_Graph)] # Number of column of the data
        self.column_x = [0 for i in range(self.Number_Graph)]
        self.column_y = [0 for i in range(self.Number_Graph)]


    def askData(self):
        # I don't understand why ChoiceData don't close. 

        self.graph = ChoiceData(self.Number_Graph, self.columnData)
        # Only when the main window close,  this two lines executes, 
        # and change this two variables. I want that this two lines executes when
        #Choice Data close
        self.column_x[self.graph.selection] = self.graph.data[0]
        self.column_y[self.graph.selection] = self.graph.data[1]







# This is is the Dialog  I can close correctly


class ChoiceData(tk.Toplevel):

    def __init__(self, NumberGraph, NumberData):
        super(ChoiceData, self).__init__()


        ## Initial Values #################################

        self.NumberGraph = NumberGraph
        self.selection = None
        self.numberData = NumberData
        self.data = []

        ########################################################

        # Layout Configure
        #...


    def Select(self):
        self.selection = int(self.BoxList.get())-1
        selectionData = SelectData(self.numberData[self.selection])
        self.data.append(selectionData.xData)
        self.data.append(selectionData.yData)
        self.destroy()



class SelectData(tk.Toplevel):

    def __init__(self, numberData):
        super(SelectData, self).__init__()



        ## Initial Values #################################

        self.xData= None
        self.yData = None
        self.NumberData = numberData

        ########################################################

        # Layout configuration.,,,

    def Update(self):
        self.xData = int(self.xBox.get())-1
        self.yData = int(self.yBox.get())-1
        self.destroy()


if __name__ == '__main__':
    app = Plotia()
    app.geometry("500x500")
    app.mainloop()

编辑：来自tkinter import *

class Quit:
    def __init__(self, root):
        root.destroy()


class ChoiceData:
    def __init__(self,root):
        self.top = Toplevel(root)
        self.label = Label(self.top, text="ChoiceData")
        self.button = Button(self.top, text="Ok", command=self.stuff)
        self.top.protocol("WM_DELETE_WINDOW", lambda: Quit(self.top))
        self.label.pack()
        self.button.pack()

    def stuff(self):
        thing = SelectData(self.top)
        self.top.destroy()
        print("Windows closed")




class SelectData:
    def __init__(self,root):
        self.top = Toplevel(root)
        self.label = Label(self.top, text="SelectData")
        self.button = Button(self.top, text="Ok", command=self.closer)
        self.top.protocol("WM_DELETE_WINDOW", lambda: Quit(self.top))
        self.label.pack()
        self.button.pack()
        self.top.mainloop()
    def closer(self):
        self.top.destroy()




root = Tk()
ChoiceData(root)
root.mainloop()

这是我想要做的简化版本。选择数据关闭时，选择数据保持打开状态。

Answer 1

如果你要做的就是在两个Toplevel小部件上执行操作，关闭两个Toplevel小部件并运行一段代码，那么下面的内容就会达到预期效果。< / p>

from tkinter import *

class App:
    def __init__(self, root):
        self.root = App.root = root
        ChoiceData()
        SelectData()
    def close():
        ChoiceData.top.destroy()
        SelectData.top.destroy()
        print("Windows closed")

class ChoiceData:
    def __init__(self):
        self.top = ChoiceData.top = Toplevel(App.root)
        self.label = Label(self.top, text="ChoiceData")
        self.button = Button(self.top, text="Ok", command=App.close)
        self.top.protocol("WM_DELETE_WINDOW", App.close)
        self.label.pack()
        self.button.pack()

class SelectData:
    def __init__(self):
        self.top = SelectData.top = Toplevel(App.root)
        self.label = Label(self.top, text="SelectData")
        self.button = Button(self.top, text="Ok", command=App.close)
        self.top.protocol("WM_DELETE_WINDOW", App.close)
        self.label.pack()
        self.button.pack()

root = Tk()
App(root)
root.mainloop()

这里有四个触发器可以使App.close()函数运行。

前两个是我们在每个Button内创建的Toplevel小部件，它们都将command属性设置为App.close，这些属性将运行此功能，同时关闭两个窗口和运行我们插入的任何片段。

另外两个更有趣，我们覆盖WM_DELETE_WINDOW事件，当小红色＆＃34; X＆＃34;处理关闭窗口时按下，而我们告诉它运行App.close()关闭两个窗口并运行代码段。

Answer 2

最后，我发现我的GUI上有什么不好，在最后一行，我应该使用：

self.quit()

而不是：

self.destroy()

self.destroy（）不允许您在选择数据的主循环后继续您的程序。谢谢@Ethan Field帮助我。

关闭python Tkinter多个对话框

2 个答案: