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Countdown Timer.py
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Countdown Timer.py
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import time
from tkinter import *
from tkinter import ttk, messagebox
import tkinter as tk
from threading import *
# Hour list
hour_list = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24]
# Minute List
min_sec_list = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19,
20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40,
41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59]
class App(tk.Tk):
def __init__(self):
super().__init__()
#window designs
self.title("Countdown Timer")
self.iconbitmap('icon.ico')
self.configure(bg="#e83535")
#setting app screen size--------------------------------------------------
app_width = 480
app_height = 320
screen_width = self.winfo_screenwidth()
screen_height = self.winfo_screenheight()
x = (screen_width/2) - (app_width/2)
y = (screen_height/2) - (app_height/2)
self.geometry(f'{app_width}x{app_height}+{int(x)}+{int(y)}')
self.resizable(False, False) #disabling resisizing the app window
self.pause = False
#button frame
self.button_frame = Frame(self, bg="#e83535",width=240, height=40)
self.button_frame.place(x=230, y=160)
#time frame
self.time_frame = Frame(self, bg="#e83535", width=480, height=120).place(x=0, y=210)
#Labels
time_label = Label(self, text="COUNTDOWN TIMER",font=("Arial",20, "bold"), bg='#e83535',fg='#000')
time_label.place(x=95, y=30)
hour_label = Label(self, text="Hour",font=("Arial",10,"bold"), bg='#e83535', fg='#000')
hour_label.place(x=35, y=85)
minute_label = Label(self, text="Minute",font=("Arial",10,"bold"), bg='#e83535', fg='#000')
minute_label.place(x=185, y=85)
second_label = Label(self, text="Second",font=("Arial",10,"bold"), bg='#e83535', fg='#000')
second_label.place(x=335, y=85)
# ===========================================
# Combobox for hours
self.hour = IntVar()
self.hour_combobox = ttk.Combobox(self,width=8,height=10,textvariable=self.hour,font=("arial",15))
self.hour_combobox['values'] = hour_list
self.hour_combobox.current(0)
self.hour_combobox.place(x=35,y=110)
# Combobox for minutes
self.minute = IntVar()
self.minute_combobox = ttk.Combobox(self,width=8,height=10,textvariable=self.minute,font=("arial",15))
self.minute_combobox['values'] = min_sec_list
self.minute_combobox.current(0)
self.minute_combobox.place(x=185,y=110)
# Combobox for seconds
self.second = IntVar()
self.second_combobox = ttk.Combobox(self,width=8,height=10,textvariable=self.second,font=("arial",15))
self.second_combobox['values'] = min_sec_list
self.second_combobox.current(0)
self.second_combobox.place(x=335,y=110)
# ===========================================
#buttons
#set button
set_button = Button(self, text='Set',font=("Arial",12,"bold"),width=5, bg="#b0ab25", fg="black",command=self.Get_Time)
set_button.place(x=60, y=160)
#cancel button
cancel_button = Button(self, text='Cancel', font=("Arial",12,"bold"), bg="#b0ab25", fg="black",command=self.Cancel)
cancel_button.place(x=140, y=160)
def Get_Time(self):
self.time_display = Label(self.time_frame,font=('Helvetica', 20 , "bold"),bg = '#e83535', fg = 'yellow')
self.time_display.place(x=115, y=210)
try:
# total time in seconds
h = (int(self.hour_combobox.get())*3600)
m = (int(self.minute_combobox.get())*60)
s = (int(self.second_combobox.get()))
self.time_left = h + m + s
if s == 0 and m == 0 and h == 0:
messagebox.showwarning('Warning!','Please select a right time to set')
else:
# Start Button
start_button = Button(self.button_frame, text='Start',font=("Arial",12,"bold"), bg="#b0ab25", fg="#000",command=self.Threading)
start_button.place(x=20, y=0)
# Pause Button
pause_button = Button(self.button_frame, text='Pause',font=("Arial",12,"bold"), bg="#b0ab25", fg="#000",
command=self.pause_time)
pause_button.place(x=100, y=0)
except ValueError as ve:
messagebox.showerror("Error!",f"Error due to {ve}")
def Cancel(self):
self.pause = True
self.destroy()
def Threading(self):
self.x = Thread(target=self.start_time, daemon=True)
self.x.start()
def start_time(self):
self.pause = False
while self.time_left > 0:
mins, secs = divmod(self.time_left, 60)
hours = 0
if mins > 60:
hours, mins = divmod(mins, 60)
self.time_display.config(text=f"Time Left: {hours}: {mins}: {secs}")
self.time_display.update()
time.sleep(1)
self.time_left = self.time_left -1
if self.time_left <= 0:
messagebox.showinfo('Time Over','Press OK to close')
self.clear_screen()
if self.pause == True:
break
def clear_screen(self):
for item in self.button_frame.winfo_children():
item.destroy()
self.time_display.destroy()
def pause_time(self):
self.pause = True
mins, secs = divmod(self.time_left, 60)
hours = 0
if mins > 60:
hours, mins = divmod(mins, 60)
self.time_display.config(text=f"Time Left: {hours}: {mins}: {secs}")
self.time_display.update()
if __name__ == "__main__":
obj = App()
obj.mainloop()