feat: Added countdown timer using tkinter

Author: king04aman

CountDown Timer/main.py

@@ -0,0 +1,99 @@
+from tkinter import *
+import tkinter as tk
+
+class Application(Frame):
+ def __init__(self,master):
+ super(Application,self).__init__(master)
+ self.pack()
+ self.createWidgets()
+ 
+ self.master.geometry("300x200")
+ self._alarm_id = None
+ self._paused = False
+ self._starttime = 0
+ 
+ # def startTimer(self):
+
+ def createWidgets(self):
+
+ self.someFrame = Frame(self)
+ self.time_var = StringVar()
+ self.input_time = tk.Entry(self, width=25, font=('Calibri',12), textvariable = self.time_var)
+ # Adding placeholder
+ self.input_time.insert(0, "Enter Time in seconds")
+ self.input_time.pack(padx=10,pady=(30,10))
+ #using bind method
+ self.input_time.bind("<Button-1>", self.enter)
+ 
+ self.startButton = Button(self.someFrame, text="Start", font=('Helvetica',12), bg='green', fg='white', command=self.startTime)
+ self.startButton.pack(side=LEFT, padx=5)
+
+ self.pauseButton = Button(self.someFrame, text="Pause", font=('Helvetica',12), bg='azure', command=self.pauseTime)
+ self.pauseButton.pack(side=LEFT, padx=5)
+
+ self.resetButton = Button(self.someFrame, text="Reset", font=('Helvetica',12), bg='azure', command=self.resetTime)
+ self.resetButton.pack(side=LEFT, padx=5)
+
+ self.closeButton = Button(self.someFrame, text="Close", font=('Helvetica',12), bg='red',fg='white', command=self.closeApp)
+ self.closeButton.pack(side=LEFT, padx=5)
+ self.someFrame.pack(side=TOP)
+
+ self.labelvariable = StringVar()
+ self.labelvariable.set("")
+
+ self.thelabel = Label(self,textvariable = self.labelvariable,font=('Helvetica',50))
+ self.thelabel.pack(side=TOP)
+
+ # Removes placeholder text in the Entry widget
+ def enter(self,*args):
+ self.input_time.delete(0, 'end')
+ 
+ # Resume function
+ def startTime(self):
+ self.get_time = self.time_var.get()
+ try:
+ self.time_in_int = int(self.get_time)
+ except:
+ self.time_in_int = 0
+ self._starttime = self.time_in_int
+ self._paused = False
+ if self._alarm_id is None:
+ self.countdown(self._starttime)
+
+ # Pause function
+ def pauseTime(self):
+ if self._alarm_id is not None:
+ self._paused = True
+
+ # Reset function
+ def resetTime(self):
+ if self._alarm_id is not None:
+ self.master.after_cancel(self._alarm_id)
+ self._alarm_id = None
+ self._paused = False
+ self.countdown(0)
+ self._paused = True
+ 
+ def closeApp(self):
+ self.master.destroy()
+
+ def countdown(self, timeInSeconds, start=True):
+ if timeInSeconds == 0:
+ self._starttime=0
+ self.labelvariable.set("0")
+ return
+ if start:
+ self._starttime = timeInSeconds
+ if self._paused:
+ self._alarm_id = self.master.after(1000, self.countdown, timeInSeconds, False)
+ else:
+ app.labelvariable.set(timeInSeconds)
+ self._alarm_id = self.master.after(1000, self.countdown, timeInSeconds-1, False)
+
+
+if __name__ == '__main__':
+ root = Tk()
+ root.title("Countdown Timer")
+ app = Application(root)
+ root.mainloop()
+