def red():
frame3.output_display.config(fg = 'red', font=root.customFont1)
def blue():
frame3.output_display.config(fg = 'darkblue', font=root.customFont2)
def green():
frame3.output_display.config(fg = 'darkgreen',font=root.customFont3)
def black():
frame3.output_display.config(fg = 'black',font=root.customFont4)
from tkinter import *
from tkinter import ttk
import tkinter.font
from tkinter.scrolledtext import ScrolledText
root = Tk()
root.title("Change Text")
root.geometry('700x500')
# change font size and family: not used currently because of resizing issue
root.customFont1 = tkinter.font.Font(family="Handwriting-Dakota", size=12)
root.customFont2 = tkinter.font.Font(family="Comic sans MS", size=14)
root.customFont3 = tkinter.font.Font(family="Script MT", size=16)
root.customFont4 = tkinter.font.Font(family="Courier", size=10)
# FRAME 3
frame3 = LabelFrame(root, background = '#EBFFFF', borderwidth = 2, text = 'text entry and display frame', fg = 'purple',bd = 2, relief = FLAT, width = 75, height = 40)
frame3.grid(column = 2, row = 0, columnspan = 3, rowspan = 6, sticky = N+S+E+W)
#frame3.grid_rowconfigure(0, weight=0)
#frame3.grid_columnconfigure(0, weight=0)
frame3.grid_propagate(True)
frame3.output_display = ScrolledText(frame3, wrap = WORD)
frame3.output_display.pack( side = TOP, fill = BOTH, expand = True )
frame3.output_display.insert('1.0', 'the text should appear here and should wrap at character forty five', END)
#frame3.output_display.config(state=DISABLED) # could be used to prevent modification to text (but also prevents load new file)
# draws all of the buttons,
ttk.Style().configure("TButton", padding=6, relief="flat",background="#A52A2A", foreground='#660066')
names_colour=(('Red',red),('Blue',blue),('Green',green),('Black',black))
root.button=[]
for i,(name, colour) in enumerate(names_colour):
root.button.append(ttk.Button(root, text=name, command = colour))
row,col=divmod(i,4)
root.button[i].grid(sticky=N+S+E+W, row=6, column=col, padx=1, pady=1)
root.mainloop()
在 GUI 中,当文本字体和字体大小发生变化时,文本框会调整大小并隐藏按钮。在我的天真中,我认为文本框将保持相同的大小,并且文本将简单地包裹在文本框的约束内。至少 taht 是我想要达到的目标。显然字体大小或文本框中有一些概念,我不明白的 tkinter 谢谢