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Commit 2696ddd

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Merge pull request avinashkranjan#1708 from sagnik-p/Stopwatch-app
Stopwatch app
2 parents 3d05cab + d9f7860 commit 2696ddd

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‎GUI-Stopwatch/readme.md‎

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# GUI CALCULATOR
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This script user Tkinter to provide a Graphical User Interface.
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No Requirements because Tkinter and time is inbuilt
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These are customizable
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1. The refresh rate (how fast the display updates)
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2. Colours: background,button colour
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3. Text: font, size, colour
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4. The size of the GUI window can be adjusted during execution
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5. The default size of the GUI window can be adjusted in the script
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6. The button text, position, size

‎GUI-Stopwatch/stopwatch.py‎

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## tkinter and time modules are inbuilt
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from tkinter import *
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import time
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def run():
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global root
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root = Tk()
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root.title("Stopwatch APP")
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width = 400
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height = 160
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screen_width = root.winfo_screenwidth()
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screen_height = root.winfo_screenheight()
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x = (screen_width / 2) - (width / 2)
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y = (screen_height / 2) - (height / 2)
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root.geometry("%dx%d+%d+%d" % (width, height, x, y))
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Top = Frame(root)
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Top.pack(side=TOP)
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stopWatch = StopWatch(root)
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stopWatch.pack(side=TOP,pady=15)
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Bottom = Frame(root, width=400)
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Bottom.pack(side=BOTTOM)
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Start = Button(Bottom, text='Start', command=stopWatch.Start, width=20, height=2, bg="green")
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Start.pack(side=LEFT)
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Stop = Button(Bottom, text='Stop', command=stopWatch.Stop, width=20, height=2, bg="red")
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Stop.pack(side=LEFT)
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Reset = Button(Bottom, text='Reset', command=stopWatch.Reset, width=15, height=2)
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Reset.pack(side=LEFT)
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root.config(bg="black")
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root.mainloop()
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class StopWatch(Frame):
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def __init__(self, parent=None, **kw):
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'''When object is initialized'''
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Frame.__init__(self, parent, kw)
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self.startTime = 0.0
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self.nextTime = 0.0
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self.onRunning = 0
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self.timestr = StringVar()
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self.MakeWidget()
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def Updater(self):
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'''update the time shown'''
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self.nextTime = time.time() - self.startTime
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self.SetTime(self.nextTime)
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self.timer = self.after(1, self.Updater)
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def MakeWidget(self):
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'''make widget for displaying time'''
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timeText = Label(self, textvariable=self.timestr, font=("callibri", 50), fg="yellow", bg="grey")
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self.SetTime(self.nextTime)
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timeText.pack(fill=X, expand=NO, pady=2, padx=2)
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def SetTime(self, nextElap):
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'''set time that is to be displayed'''
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mins = int(nextElap / 60)
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secs = int(nextElap - mins * 60.0)
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milisecs = int((nextElap - mins * 60.0 - secs) * 100)
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self.timestr.set('%02d:%02d:%02d' % (mins, secs, milisecs))
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def Start(self):
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'''start stopwatch'''
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if not self.onRunning:
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self.startTime = time.time() - self.nextTime
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self.Updater()
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self.onRunning = 1
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def Stop(self):
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'''stop stopwatch'''
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if self.onRunning:
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self.after_cancel(self.timer)
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self.nextTime = time.time() - self.startTime
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self.SetTime(self.nextTime)
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self.onRunning = 0
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def Reset(self):
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'''reset stopwatch'''
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self.startTime = time.time()
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self.nextTime = 0.0
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self.SetTime(self.nextTime)
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if __name__ == '__main__':
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run()

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