我只想说,我对使用tkinter和Python进行编码非常陌生。希望你能帮我。你知道吗
我正在尝试创建一个应用程序,其中包含一个帮助部分,当单击按钮时,该部分应该作为tkinter的顶层打开。顶层需要滚动和包装的文本,因为我调整了顶层窗口。你知道吗
下面是一个工作代码,它给了我一个很好的滚动窗口,但不会包装文本。底部的Expl(300300)是从另一个Python文件调用的原始设置,该文件有一个maintk。tk()-窗口。有谁能给我一些建议,告诉我包装功能是如何工作的,以及我现在做错了什么?你知道吗
import tkinter as tk
WIDTH = 500
HEIGHT = 500
BG = '#fff'
class Expl(tk.Frame):
def __init__(self, x, y):
self.x = x
self.y = y
self.width = round(WIDTH/2)
self.height = round(HEIGHT/1.8)
self.window = tk.Toplevel()
self.window.wm_geometry('%dx%d+%d+%d' % (self.width, self.height, max(0, self.x - (WIDTH/2 - WIDTH/2/2)), max(0, self.y - (HEIGHT/2 - HEIGHT/1.8/2))))
self.window.title('Förklaringar')
self.window.configure(background=BG)
#self.window.iconbitmap(default=ICON_PATH)
tk.Frame.__init__(self, self.window)
myframe=tk.Frame(self.window, width=self.width, height=self.height, bd=1, background=BG)
myframe.place(x=10,y=10)
self.canvas = tk.Canvas(self.window, borderwidth=0, background=BG)
self.frame = tk.Frame(self.canvas, background=BG)
self.vsb = tk.Scrollbar(self.window, orient="vertical", command=self.canvas.yview)
self.canvas.configure(yscrollcommand=self.vsb.set)
self.canvas.bind_all("<MouseWheel>", self.onmousewheel)
self.frame.bind("<Configure>", self.myfunction)
self.frame.bind("<Configure>", self.onFrameConfigure)
self.vsb.pack(side="right", fill="y")
self.canvas.create_window((0,0),window=self.frame,anchor='nw')
self.canvas.pack(side="left", fill="both", expand=True)
self.window.grid_rowconfigure(0, weight=1)
self.window.grid_columnconfigure(0, weight=1)
self.draw()
def myfunction(self, event):
self.canvas.configure(scrollregion=self.canvas.bbox("all"))
def onmousewheel(self, event):
self.canvas.yview_scroll(int(-1*(event.delta/120)), "units")
def onFrameConfigure(self, event):
self.canvas.configure(scrollregion=self.canvas.bbox("all"))
def draw(self):
# Titles
tk.Label(self.frame, text='TEST 1').grid(row=0, column=0, sticky='SW', padx=10, pady=(5, 0))
tk.Label(self.frame, text='TEST 2').grid(row=1, column=0, sticky='SW', padx=10, pady=(5, 0))
tk.Label(self.frame, text='TEST 3').grid(row=2, column=0, sticky='SW', padx=10, pady=(5, 0))
texxt = WrappingLabel(self.frame, text="TESTTTTTT TTTTTTTT T IN RSG RSG SRG RSG")
texxt.grid(row=3, column=0, sticky='SW', padx=10, pady=(5, 0))
class WrappingLabel(tk.Label):
def __init__(self, master=None, **kwargs):
tk.Label.__init__(self, master, **kwargs)
self.bind('<Configure>', lambda _: self.config(wraplength=master.winfo_width()))
Expl(300, 300)
假设您只使用
class WrappingLabel
,您必须在Frame
中永远.children
。你知道吗更改为:
您必须绑定到
Canvas
小部件的<Configure>
事件,因为此小部件的大小与Toplevel
同步。你知道吗用Python测试:3.5-'TclVersion':8.6'TkVersion':8.6
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