main.py


from kivy.app import App

from kivy.lang import Builder

from kivy.uix.label import Label

from time import strftime

from functools import partial


import time
from kivy.clock import Clock

from kivy.uix.popup import Popup

sec = 0
mi = 0
hr = 0


class Clock_Date_Label(Label):
    def show_time_date(self, *args):

        self.text = str(strftime("Date: %d/%b/%Y\nTime: %H:%M:%S %p"))


class Timer_label(Label):
    def show_timer(self, *args):

        global mi
        global hr
        global sec
        ii = 1
        if App.get_running_app().root.ids.StopWatch_ToggleButton_id.text == "Pause":
            ii -= 1
            sec += 1
            if sec == 59:
                sec = 0
                mi += 1
            if mi == 60:
                mi = 0
                hr += 1
            self.text = str(str(hr) + ':' + str(mi) + ':' + str(sec))

    def reset(self):
        global mi
        global hr
        global sec
        sec = 0
        hr = 0
        mi = 0
        self.text = '00:00:00'





class Timer_Label(Label):

    def start_timer(self,sec,mi,hr,*args):

        if App.get_running_app().root.ids.timer_ToggleButton_id.text == "Pause":
            if sec !=0:
                sec -= 1
            if sec == 00 :
                sec = 59
                mi -= 1
            if mi == 0 :
                mi = 59
                hr -= 1
        self.text = str(str(hr) + ':' + str(mi) + ':' + str(sec))
        Clock.schedule_once(partial(self.start_timer, sec, mi, hr), 1)

    def restart_timer(self,sec,mi,hr,*args):

        #Clock.schedule_once(partial(self.start_timer, 0, 0, 0))
        Clock.schedule_once(partial(self.start_timer, sec, mi, hr),.00001)
        print(sec,mi,hr)



class Set_Timer(Popup):
    pass




class KivyApp(App):

    def build(self):
       
        return Builder.load_file("main.kv")

    def on_start(self):
        #print(self.root.ids.Clock_Date_Label_id.show_time_date)
        Clock.schedule_interval(self.root.ids.Timer_label_id.show_timer, .5)
        Clock.schedule_interval(self.root.ids.Clock_Date_Label_id.show_time_date, .5)

    def open_set_timer_popup(self):
        Set_Timer().open()


KivyApp().run()


main.kv


BoxLayout:
    timer_Seconds_reset: ''
    timer_Minutes_reset: ''
    timer_Hours_reset:''
    orientation: 'vertical'
    TabbedPanel:
        do_default_tab: False
        TabbedPanelItem:
            background_color: .3,.8,.1,1
            text: 'Clock'
            BoxLayout:
                canvas.before:
                    Color:
                        rgba: .3,.8,.1,1
                    Rectangle:
                        pos: self.pos
                        size: self.size
                Clock_Date_Label:
                    id: Clock_Date_Label_id
                    color:0,0,1,1
                    font_size: .1*self.width


        TabbedPanelItem:
            background_color:1,1,0,1
            text: 'StopWatch'
            BoxLayout:
                orientation: 'vertical'
                canvas.before:
                    Color:
                        rgba: 1,1,0,1
                    Rectangle:
                        pos: self.pos
                        size: self.size
                Timer_label:
                    id: Timer_label_id
                    font_size: .1*self.width
                    canvas.before:
                        Color:
                            rgba: 1,1,0,1
                        Rectangle:
                            pos: self.pos
                            size: self.size
                BoxLayout:
                    ToggleButton:
                        id: StopWatch_ToggleButton_id
                        text: "Start"
                        on_press: self.text ="start" if(StopWatch_ToggleButton_id.state == "normal") else("Pause")
                    Button:
                        id:ok
                        text: "Reset"
                        on_press: app.root.ids.Timer_label_id.reset()
        TabbedPanelItem:
            background_color:0.5,0,1,1
            text: 'Timer'
            BoxLayout:
                orientation: 'vertical'
                canvas.before:
                    Color:
                        rgba: 0.5,0,1,1
                    Rectangle:
                        pos: self.pos
                        size: self.size
                Timer_Label:
                    size_hint_y: 2
                    id: Timer_Label_id
                ToggleButton:
                    text: 'Pause' if self.state == 'normal' else 'Start'
                    id: timer_ToggleButton_id

                Button:
                    text: 'Restart'
                    on_press: app.root.ids.Timer_Label_id.restart_timer(int(root.timer_Seconds_reset),int(root.timer_Minutes_reset),int(root.timer_Hours_reset))

                Button:
                    text: 'Set Timer'
                    on_press: app.open_set_timer_popup()


<Set_Timer>:
    title: 'Set the Timer'
    size_hint:.7,.3
    id: Set_Timer_popup
    BoxLayout:
        orientation: 'vertical'
        BoxLayout:
            TextInput:
                hint_text: 'hr'
                font_size:.50* self.width
                text: app.root.timer_Hours_reset
                id: hr_id
                focuse: True if len(self.text) <= 2 else False
            TextInput:
                hint_text: 'min'
                font_size:.50* self.width
                text: app.root.timer_Minutes_reset
                id: min_id
            TextInput:
                hint_text: 'sec'
                font_size:.50* self.width
                text: app.root.timer_Seconds_reset
                id: sec_id
        BoxLayout:
            Button:
                text: 'Set'
                on_press:
                    app.root.ids.Timer_Label_id.start_timer(int(sec_id.text),int(min_id.text),int(hr_id.text))
                    app.root.timer_Seconds_reset =sec_id.text
                    app.root.timer_Minutes_reset =min_id.text
                    app.root.timer_Hours_reset = hr_id.text
                #on_release: app.root.ids.Timer_Label_id.timer_start()
                #on_press:print(type(int(sec_id.text)))
                on_press: Set_Timer_popup.dismiss()
            Button:
                text: 'Clear'
                on_press: hr_id.text = ''
                on_press: min_id.text = ''
                on_press: sec_id.text = ''