python GUI作业:tkinter grid布局

作者: python测试开发 | 来源:发表于2018-11-28 10:13 被阅读34次

    要求

    使用tkinter生成如下窗口:

    图片.png 图片.png 图片.png 图片.png

    参考资料

    参考代码

    #!/usr/bin/python3
    # -*- coding: utf-8 -*-
    # 技术支持:https://www.jianshu.com/u/69f40328d4f0 
    # 技术支持 https://china-testing.github.io/
    # https://github.com/china-testing/python-api-tesing/blob/master/practices/tk2.py
    # 讨论钉钉免费群21745728 qq群144081101 567351477
    # CreateDate: 2018-11-27
    import tkinter as tk
    from tkinter import ttk
    from tkinter import scrolledtext
    from tkinter import Menu
    
    # Create instance
    win = tk.Tk()   
    
    # Add a title       
    win.title("Python GUI")  
    
    tabControl = ttk.Notebook(win)          # Create Tab Control
    
    tab1 = ttk.Frame(tabControl)            # Create a tab 
    tabControl.add(tab1, text='Tab 1')      # Add the tab
    tab2 = ttk.Frame(tabControl)            # Add a second tab
    tabControl.add(tab2, text='Tab 2')      # Make second tab visible
    
    tabControl.pack(expand=1, fill="both")  # Pack to make visible
    
    # LabelFrame using tab1 as the parent
    mighty = ttk.LabelFrame(tab1, text=' Mighty Python ')
    mighty.grid(column=0, row=0, padx=8, pady=4)
    
    # Modify adding a Label using mighty as the parent instead of win
    a_label = ttk.Label(mighty, text="Enter a name:")
    a_label.grid(column=0, row=0, sticky='W')
    
    # Modified Button Click Function
    def click_me(): 
        action.configure(text='Hello ' + name.get() + ' ' + 
                         number_chosen.get())
    
    # Adding a Textbox Entry widget
    name = tk.StringVar()
    name_entered = ttk.Entry(mighty, width=12, textvariable=name)
    name_entered.grid(column=0, row=1, sticky='W')               # align left/West
    
    # Adding a Button
    action = ttk.Button(mighty, text="Click Me!", command=click_me)   
    action.grid(column=2, row=1)                                
    
    # Creating three checkbuttons
    ttk.Label(mighty, text="Choose a number:").grid(column=1, row=0)
    number = tk.StringVar()
    number_chosen = ttk.Combobox(mighty, width=12, textvariable=number, state='readonly')
    number_chosen['values'] = (1, 2, 4, 42, 100)
    number_chosen.grid(column=1, row=1)
    number_chosen.current(0)
    
    chVarDis = tk.IntVar()
    check1 = tk.Checkbutton(mighty, text="Disabled", variable=chVarDis, state='disabled')
    check1.select()
    check1.grid(column=0, row=4, sticky=tk.W)                   
    
    chVarUn = tk.IntVar()
    check2 = tk.Checkbutton(mighty, text="UnChecked", variable=chVarUn)
    check2.deselect()
    check2.grid(column=1, row=4, sticky=tk.W)                   
    
    chVarEn = tk.IntVar()
    check3 = tk.Checkbutton(mighty, text="Enabled", variable=chVarEn)
    check3.deselect()
    check3.grid(column=2, row=4, sticky=tk.W)                     
    
    # GUI Callback function 
    def checkCallback(*ignoredArgs):
        # only enable one checkbutton
        if chVarUn.get(): check3.configure(state='disabled')
        else:             check3.configure(state='normal')
        if chVarEn.get(): check2.configure(state='disabled')
        else:             check2.configure(state='normal') 
    
    # trace the state of the two checkbuttons
    chVarUn.trace('w', lambda unused0, unused1, unused2 : checkCallback())    
    chVarEn.trace('w', lambda unused0, unused1, unused2 : checkCallback())   
    
    
    # Using a scrolled Text control    
    scrol_w  = 30
    scrol_h  =  3
    scr = scrolledtext.ScrolledText(mighty, width=scrol_w, height=scrol_h, wrap=tk.WORD)
    scr.grid(column=0, row=5, sticky='WE', columnspan=3)                    
    
    
    # First, we change our Radiobutton global variables into a list
    colors = ["Blue", "Gold", "Red"]   
    
    # We have also changed the callback function to be zero-based, using the list 
    # instead of module-level global variables 
    # Radiobutton Callback
    def radCall():
        radSel=radVar.get()
        if   radSel == 0: win.configure(background=colors[0])  # zero-based
        elif radSel == 1: win.configure(background=colors[1])  # using list
        elif radSel == 2: win.configure(background=colors[2])
    
    # create three Radiobuttons using one variable
    radVar = tk.IntVar()
    
    # Next we are selecting a non-existing index value for radVar
    radVar.set(99)                                 
     
    # Now we are creating all three Radiobutton widgets within one loop
    for col in range(3):                             
        curRad = tk.Radiobutton(mighty, text=colors[col], variable=radVar, 
                                value=col, command=radCall)          
        curRad.grid(column=col, row=5, sticky=tk.W)             # row=5 ... SURPRISE!
    
    # Create a container to hold labels
    buttons_frame = ttk.LabelFrame(mighty, text=' Labels in a Frame ')
    buttons_frame.grid(column=0, row=7)        
     
    # Place labels into the container element
    ttk.Label(buttons_frame, text="Label1").grid(column=0, row=0, sticky=tk.W)
    ttk.Label(buttons_frame, text="Label2").grid(column=1, row=0, sticky=tk.W)
    ttk.Label(buttons_frame, text="Label3").grid(column=2, row=0, sticky=tk.W)
    
    # Exit GUI cleanly
    def _quit():
        win.quit()
        win.destroy()
        exit() 
        
    # Creating a Menu Bar
    menu_bar = Menu(win)
    win.config(menu=menu_bar)
    
    # Add menu items
    file_menu = Menu(menu_bar, tearoff=0)
    file_menu.add_command(label="New")
    file_menu.add_separator()
    file_menu.add_command(label="Exit", command=_quit)
    menu_bar.add_cascade(label="File", menu=file_menu)
    
    # Add another Menu to the Menu Bar and an item
    help_menu = Menu(menu_bar, tearoff=0)
    help_menu.add_command(label="About")
    menu_bar.add_cascade(label="Help", menu=help_menu)
    
    
    name_entered.focus()      # Place cursor into name Entry
    #======================
    # Start GUI
    #======================
    win.mainloop()
    

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