当用户调整窗口大小时,Python Tkinter小部件的调整大小不均匀

时间:2019-02-24 22:20:51

标签: python tkinter resize

我使用的是我在youtube视频中为我的应用看到的模板。我已经使用3帧将窗口分为3个。所有3个框架都嵌套在一个主框架中。主框架直接连接到根窗口。

我正在使用包管理器以便将大型机放置在根窗口内。 我正在使用网格管理器,以便将3个框架放置在主机中。

我面临的问题是,当我尝试调整窗口大小时,左框架的调整大小要比其他两个框架大,而且我不明白为什么会发生这种情况。我需要框架彼此成比例地调整大小。为什么左框架的尺寸比其他框架大?以及我该如何纠正?

import tkinter as tk
from tkinter import ttk

Normal_Font = ('Verdana', 9)
Large_font = ('Verdana', 12)


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

        mainframe = tk.Frame(self)
        mainframe.pack(side='top', fill='both', expand=True)
        mainframe.grid_rowconfigure(0, weight=1)
        mainframe.grid_columnconfigure(0, weight=1)
        #mainframe.grid(row=0, column=0, sticky='nesw')

        #left frame
        employerframe = tk.Frame(mainframe)
        employerframe.grid(row=0, column=0, sticky='nesw')
        employerframe.grid_rowconfigure(0, weight=1)
        employerframe.grid_columnconfigure(0, weight=1, uniform=1)
        label1 = tk.Label(employerframe, text='Employer Frame', font=Large_font)
        label1.grid(row=0, column=0, sticky='nesw')

        ttk.Separator(mainframe, orient=tk.VERTICAL) .grid(row=0, column=1, sticky='ns')

        #right frame
        candidateframe = tk.Frame(mainframe)
        candidateframe.grid(row=0, column=4, sticky='nesw')
        candidateframe.grid_rowconfigure(0, weight=1)
        candidateframe.grid_columnconfigure(0, weight=1, uniform=1)
        label2 = tk.Label(candidateframe, text='Candidate Frame', font=Large_font)
        label2.grid(row=0, column=0, sticky='nesw')

        ttk.Separator(mainframe, orient=tk.VERTICAL) .grid(row=0, column=3, sticky='ns')

        #middle frame
        container = tk.Frame(mainframe)
        container.grid(row=0, column=2, sticky='nesw')
        container.grid_rowconfigure(0, weight=1)
        container.grid_columnconfigure(0, weight=1, uniform=1)

        self.frames = {}
        frame = StartPage(container, self)
        self.frames[StartPage] = frame
        frame.grid(row=0, column=0, sticky='nesw')
        self.show_frame(StartPage)

    def show_frame(self, cont):
        frame = self.frames[cont]
        frame.tkraise()

class StartPage(tk.Frame):
    def __init__(self, parent, controller):
        tk.Frame.__init__(self, parent)
        label = tk.Label(self, text='Start Page', font=Large_font)
        label.pack(pady=10, padx=10)

app = MainApp()
app.mainloop()

1 个答案:

答案 0 :(得分:0)

这是因为您要将employerframecontainercandidateframe放置到column=0column=2column=4。但是只将weight=1赋予column=0。您还必须添加以下几行,以使0、2、4列的权重相等。

mainframe.grid_columnconfigure(2, weight=1)
mainframe.grid_columnconfigure(4, weight=1) 

尝试一下:

import tkinter as tk
from tkinter import ttk

Normal_Font = ('Verdana', 9)
Large_font = ('Verdana', 12)

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

        mainframe = tk.Frame(self)
        mainframe.pack(side='top', fill='both', expand=True)
        mainframe.grid_rowconfigure(0, weight=1)
        mainframe.grid_columnconfigure(0, weight=1)
        # ----- Added lines -----
        mainframe.grid_columnconfigure(2, weight=1)
        mainframe.grid_columnconfigure(4, weight=1)

        #left frame
        employerframe = tk.Frame(mainframe)
        employerframe.grid(row=0, column=0, sticky='nesw')
        label1 = tk.Label(employerframe, text='Employer Frame', font=Large_font)
        label1.grid(row=0, column=0, sticky='nesw')

        ttk.Separator(mainframe, orient=tk.VERTICAL) .grid(row=0, column=1, sticky='ns')

        #right frame
        candidateframe = tk.Frame(mainframe)
        candidateframe.grid(row=0, column=4, sticky='nesw')
        label2 = tk.Label(candidateframe, text='Candidate Frame', font=Large_font)
        label2.grid(row=0, column=0, sticky='nesw')

        ttk.Separator(mainframe, orient=tk.VERTICAL) .grid(row=0, column=3, sticky='ns')

        #middle frame
        container = tk.Frame(mainframe)
        container.grid(row=0, column=2, sticky='nesw')

        self.frames = {}
        frame = StartPage(container, self)
        self.frames[StartPage] = frame
        frame.grid(row=0, column=0, sticky='nesw')
        self.show_frame(StartPage)

    def show_frame(self, cont):
        frame = self.frames[cont]
        frame.tkraise()

class StartPage(tk.Frame):
    def __init__(self, parent, controller):
        tk.Frame.__init__(self, parent)
        label = tk.Label(self, text='Start Page', font=Large_font)
        label.pack(pady=10, padx=10)

app = MainApp()
app.mainloop()