from tkinter import *
import tkinter.simpledialog as sd
class WaitAlert(sd.Dialog):
"""An alert which will wait for a given time before user can interact.
Args:
parent: Takes the parent window instance.
title (str): Main heading of the alert.
message (str): Information to display.
pause (int): Time till inactive. (in seconds)
show_timer (boolean): Shows countdown."""
def __init__(self, parent, title=None, message=None, pause=None, show_timer=False):
self.message = message or ''
self.pause = pause
self.show_timer = show_timer
super().__init__(parent, title=title)
def body(self, master):
# For macOS, we can use the below command to achieve a window similar to an alert.
# Comment the below line if you are on windows.
self.tk.call("::tk::unsupported::MacWindowStyle", "style", self._w, "moveableAlert")
Label(master, text=self.message).pack()
def _timer(self, count, b1, b2):
"Timer function."
if count > 0:
if self.show_timer: b1['text'] = str(count)
self.after(1000, self._timer, count-1, b1, b2)
else:
if self.show_timer: b1['text'] = "OK"
b1['state'] = 'normal'
b2['state'] = 'normal'
def buttonbox(self):
box = Frame(self)
b1 = Button(box, text="OK", width=10, command=self.ok, default=ACTIVE, state='disabled')
b1.pack(side=LEFT, padx=5, pady=5)
b2 = Button(box, text="Cancel", width=10, command=self.cancel, state='disabled')
b2.pack(side=LEFT, padx=5, pady=5)
if self.pause is not None:
self._timer(self.pause, b1, b2)
self.bind("<Return>", self.ok)
self.bind("<Escape>", self.cancel)
box.pack()
def apply(self):
self.result = True
return super().apply()
from tkinter import *
from tkDialog import WaitAlert
root = Tk()
# `wm_withdraw()` will hide the window from the screen.
root.wm_withdraw()
popup = WaitAlert(parent=root,
title='Alert!',
message='Do you want to delete this account?',
pause=5, # pauses for 5 secs.
show_timer=True) # show countdown.
print(popup.result) # get the result.
# If the user clicks "OK" the result will return "True" else return "None".
通过使用
tkinter.simpledialog
模块的基类Dialog,我们可以创建任何自定义对话框我是这样做的
现在,您可以将该类保存在单独的python文件中,并通过导入来使用它。例如,我将其保存为tkDialog.py,然后将其导入主文件(
from tkDialog import WaitAlert
),或者您可以将其保留在主文件的开头下面是一个关于如何使用它的小例子
希望这对你有帮助
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