Tkinter按钮使用网格扩展

Question

我是编码的新手，只是学习Python。我搜索了答案，但找不到答案。

我正试图制作一个用于学习目的的计算器，但无法使底部的<select class="mdb-select"/> 扩展或内部的keyboard frame扩展以匹配根窗口的边框

这是我的代码：

buttons

这是我的计算器的当前图像：

如何调整from tkinter import * # main window configuration root=Tk() root.geometry("1000x1000") root.grid_columnconfigure(0, weight=1) root.grid_rowconfigure(0, weight=1) # main window frames topmenu=Frame(root,padx=5,pady=5) display=Frame(root,padx=5,pady=5) keyboard=Frame(root,padx=5,pady=5,bg="red") topmenu.grid(row=0,column=0) display.grid(row=1,column=0) keyboard.grid(row=2,column=0) # topmenu widgets # display widgets #keyboard widgets # prima riga percentagebutton=Button(keyboard,padx=5,pady=5,text="%") squarerootbutton=Button(keyboard,padx=5,pady=5,text="√x") squarebutton=Button(keyboard,padx=5,pady=5,text="x²") inversebutton=Button(keyboard,padx=5,pady=5,text="1/x") percentagebutton.grid(row=0,column=0,sticky='EWNS') squarerootbutton.grid(row=0,column=1,sticky='EWNS') squarebutton.grid(row=0,column=2,sticky='EWNS') inversebutton.grid(row=0,column=3,sticky='EWNS') # seconda riga resetbutton=Button(keyboard,padx=5,pady=5,text="C") deletebutton=Button(keyboard,padx=5,pady=5,text="←") divisionbutton=Button(keyboard,padx=5,pady=5,text="÷") resetbutton.grid(row=1,column=0,columnspan=2,sticky='EWNS') deletebutton.grid(row=1,column=2,sticky='EWNS') divisionbutton.grid(row=1,column=3,sticky='EWNS') # terza riga sevenbutton=Button(keyboard,padx=5,pady=5,text="7") eightbutton=Button(keyboard,padx=5,pady=5,text="8") ninebutton=Button(keyboard,padx=5,pady=5,text="9") moltiplicationbutton=Button(keyboard,padx=5,pady=5,text="X") sevenbutton.grid(row=2,column=0,sticky='EWNS') eightbutton.grid(row=2,column=1,sticky='EWNS') ninebutton.grid(row=2,column=2,sticky='EWNS') moltiplicationbutton.grid(row=2,column=3,sticky='EWNS') # quarta riga fourbutton=Button(keyboard,padx=5,pady=5,text="4") fivebutton=Button(keyboard,padx=5,pady=5,text="5") sixbutton=Button(keyboard,padx=5,pady=5,text="6") minusbutton=Button(keyboard,padx=5,pady=5,text="-") fourbutton.grid(row=3,column=0,sticky='EWNS') fivebutton.grid(row=3,column=1,sticky='EWNS') sixbutton.grid(row=3,column=2,sticky='EWNS') minusbutton.grid(row=3,column=3,sticky='EWNS') # quinta riga onebutton=Button(keyboard,padx=5,pady=5,text="1") twobutton=Button(keyboard,padx=5,pady=5,text="2") threebutton=Button(keyboard,padx=5,pady=5,text="3") plusbutton=Button(keyboard,padx=5,pady=5,text="+") onebutton.grid(row=4,column=0,sticky='EWNS') twobutton.grid(row=4,column=1,sticky='EWNS') threebutton.grid(row=4,column=2,sticky='EWNS') plusbutton.grid(row=4,column=3,sticky='EWNS') # sesta riga signbutton=Button(keyboard,padx=5,pady=5,text="±") zerobutton=Button(keyboard,padx=5,pady=5,text="0") commabutton=Button(keyboard,padx=5,pady=5,text=",") resultbutton=Button(keyboard,padx=5,pady=5,text="=") signbutton.grid(row=5,column=0,sticky='EWNS') zerobutton.grid(row=5,column=1,sticky='EWNS') commabutton.grid(row=5,column=2,sticky='EWNS') resultbutton.grid(row=5,column=3,sticky='EWNS') root.mainloop() 和keyboard frame的大小以匹配根窗口的边框？

Answer 1

  

问题：使用网格扩展Tkinter按钮

TkDocs: The Grid Geometry Manager Handling Resize

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您仅配置root即可增长：

root.grid_columnconfigure(0, weight=1)
root.grid_rowconfigure(0, weight=1)

您还必须将keyboard框架配置为如果有多余空间，则增加，并添加：

keyboard.grid_columnconfigure(0, weight=1)
keyboard.grid_rowconfigure(0, weight=1)

您必须用keyboard row/column配置每个 weight=1。

  

您没有将keyboard框架设置为展开

keyboard.grid(row=0,column=0)

更改为

keyboard.grid(row=0,column=0, sticky=NSEW)

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工作示例：

root=Tk()
root.geometry("500x500")
root.grid_columnconfigure(0, weight=1)
root.grid_rowconfigure(0, weight=1)
keyboard=Frame(root,padx=5,pady=5,bg="red")
keyboard.grid(row=0,column=0, sticky=NSEW)

for row, row_buttons in enumerate([['%', '√x', 'x²', '1/x'], ["C", "←", "÷"]]):
    keyboard.grid_rowconfigure(row, weight=1)
    for col, text in enumerate(row_buttons):
        keyboard.grid_columnconfigure(col, weight=1)
        Button(keyboard, padx=5, pady=5, text=text).grid(row=row, column=col, sticky='EWNS')

使用Python测试：3.5-TkVersion：8.6