【问题标题】:changing tab through combobox and vice versa通过组合框更改选项卡,反之亦然
【发布时间】:2020-09-16 00:30:33
【问题描述】:

大家好,谁能帮帮我?我是编程新手,我正在尝试使用 tkinter 做一个小项目。基本上我的问题是我怎样才能做到这一点,所以当我从组合框中选择一个选项时,也会选择 ttk 笔记本上的选项卡,反之亦然...提前致谢

 import tkinter as tk
 from tkinter import ttk

 class Main(tk.Tk):
    def __init__(self, *args, **kwargs):
        super().__init__(*args, **kwargs)

        container = ttk.Frame(self)
        container.grid()

        frame = Frame(container, self)
        frame.grid(column=0, row=0)

        notebook = Notebook(container, self)
        notebook.grid(column=1, row=0)

 class Frame(ttk.Frame):
    def __init__(self, parent, controller, *args, **kwargs):
        super().__init__(parent, *args, **kwargs)

        combobox = ttk.Combobox(self)
        combobox["values"] = ["a", "b", "c"]
        combobox.grid()


 class Notebook(ttk.Notebook):
    def __init__(self, parent, controller, *args, **kwargs):
        super().__init__(parent, *args, **kwargs)

        first = ttk.Frame(self)
        second = ttk.Frame(self)
        third = ttk.Frame(self)


        self.add(first, text="a")
        self.add(second, text="b")
        self.add(third, text="c")

 root = Main()
 root.mainloop()

【问题讨论】:

    标签: python python-3.x tkinter tkinter-menu


    【解决方案1】:

    试试下面的完整代码,

    import tkinter as tk
    from tkinter import ttk
    
    class Main(tk.Tk):
        def __init__(self, *args, **kwargs):
            super().__init__(*args, **kwargs)
    
            container = ttk.Frame(self)
            container.grid()
    
            frame = Frame(container, self)
            frame.grid(column=0, row=0)
    
            notebook = Notebook(container, self)
            notebook.grid(column=1, row=0)
    
    class Frame(ttk.Frame):
        options=["a", "b", "c"]
        def __init__(self, parent, controller, *args, **kwargs):
            super().__init__(parent, *args, **kwargs)
    
            Frame.combobox = ttk.Combobox(self)
            self.combobox["values"] = self.options
            self.combobox.grid()
    
    class Notebook(ttk.Notebook):
        def __init__(self, parent, controller, *args, **kwargs):
            super().__init__(parent, *args, **kwargs)
    
            first = ttk.Frame(self)
            second = ttk.Frame(self)
            third = ttk.Frame(self)
    
            self.add(first, text="a")
            self.add(second, text="b")
            self.add(third, text="c")
            Frame.combobox.bind("<<ComboboxSelected>>", self.on_selection)
            self.bind("<<NotebookTabChanged>>",self.on_tab_selection)
        def on_selection(self,a):
            selected=Frame.combobox.get()
            Frame.options.index(selected)
            self.select(Frame.options.index(selected))
        def on_tab_selection(self,a):
            Frame.combobox.set(Frame.options[self.index("current")])
    
    root = Main()
    root.mainloop()
    

    做了一些修改,

    Frame.combobox.bind("<<ComboboxSelected>>", self.on_selection)
    self.bind("<<NotebookTabChanged>>",self.on_tab_selection)
    

    以上代码用于获取notebook和combobox的选择事件

    def on_selection(self,a):
            selected=Frame.combobox.get()
            Frame.options.index(selected)
            self.select(Frame.options.index(selected))
    def on_tab_selection(self,a):
            Frame.combobox.set(Frame.options[self.index("current")])
    

    以上两个函数用于处理这两个事件

    组合框值放在变量列表“选项”中

    【讨论】:

    • 感谢@Arun,它工作得很好!!!关于课程,我真的有很多东西要学
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