mirror of
https://github.com/MariyaSha/BinarytoDecimal.git
synced 2025-07-21 12:21:04 +02:00
141 lines
4.9 KiB
Python
141 lines
4.9 KiB
Python
import kivy
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kivy.require('2.0.0')
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import kivymd
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from kivymd.uix.screen import MDScreen
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from kivymd.app import MDApp
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from kivy.uix.image import Image
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from kivymd.uix.button import MDFillRoundFlatIconButton, MDFillRoundFlatButton
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from kivymd.uix.textfield import MDTextField
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from kivymd.uix.label import MDLabel
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from kivymd.uix.toolbar import MDToolbar
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class ConverterApp(MDApp):
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def flip(self):
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# hide labels until needed
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self.converted.text = ""
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self.label.text = ""
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self.input.text = ""
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# a method for the "flip" icon
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# changes the state of the app
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if self.state == 0:
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self.state = 1
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self.toolbar.title = "Decimal to Binary"
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self.input.hint_text = "enter a decimal number"
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else:
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self.state = 0
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self.toolbar.title = "Binary to Decimal"
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self.input.hint_text = "enter a binary number"
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def convert(self, args):
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# a method to find the decimal/binary equivallent
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try:
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if "." not in self.input.text:
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# if the user-provided number is not a fraction
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if self.state == 0:
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# binary to decimal
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val = str(int(self.input.text,2))
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self.label.text = "in decimal is:"
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else:
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# decimal to binary
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val = bin(int(self.input.text))[2:]
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self.label.text = "in binary is:"
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self.converted.text = val
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else:
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#if the user provided number is a fraction
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whole, fract = self.input.text.split(".")
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if self.state == 0:
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#convert binary to decimal
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whole = int(whole, 2)
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floating = 0
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for idx, digit in enumerate(fract):
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floating += int(digit)*2**(-(idx+1))
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self.label.text = "in decimal is:"
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self.converted.text = str(whole + floating)
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else:
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#convert decimal to binary
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decimal_places = 10
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whole = bin(int(whole))[2:]
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fract = float("0."+fract)
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floating = []
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for i in range(decimal_places):
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if fract*2 < 1:
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floating.append("0")
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fract *= 2
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elif fract*2 > 1:
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floating.append("1")
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fract = fract*2 - 1
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elif fract*2 == 1.0:
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floating.append("1")
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break
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self.label.text = "in binary is:"
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self.converted.text = whole + "." + "".join(floating)
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except ValueError:
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#if the user-provided value is invalid
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self.converted.text = ""
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if self.state == 0:
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#binary to decimal
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self.label.text = "please enter a valid binary number"
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else:
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#decimal to binary
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self.label.text = "please enter a valid decimal number"
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def build(self):
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self.state = 0 #initial state
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self.theme_cls.primary_palette = "Blue"
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screen = MDScreen()
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# top toolbar
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self.toolbar = MDToolbar(title="Binary to Decimal")
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self.toolbar.pos_hint = {"top": 1}
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self.toolbar.right_action_items = [
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["rotate-3d-variant", lambda x: self.flip()]]
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screen.add_widget(self.toolbar)
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# logo
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screen.add_widget(Image(
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source="logo.png",
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pos_hint = {"center_x": 0.5, "center_y":0.7}
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))
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#collect user input
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self.input = MDTextField(
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size_hint = (0.8,1),
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pos_hint = {"center_x": 0.5, "center_y":0.5},
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on_text_validate = self.convert
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)
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self.input.hint_text ="enter a binary number"
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screen.add_widget(self.input)
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#secondary + primary labels
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self.label = MDLabel(
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halign="center",
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pos_hint = {"center_x": 0.5, "center_y":0.35},
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theme_text_color = "Secondary"
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)
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self.converted = MDLabel(
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halign="center",
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pos_hint = {"center_x": 0.5, "center_y":0.3},
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theme_text_color = "Primary",
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font_style = "H5"
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)
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screen.add_widget(self.label)
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screen.add_widget(self.converted)
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# "CONVERT" button
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screen.add_widget(MDFillRoundFlatButton(
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text=" CONVERT ",
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font_size = 25,
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pos_hint = {"center_x": 0.5, "center_y":0.15},
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on_press = self.convert
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))
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return screen
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if __name__ == '__main__':
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ConverterApp().run()
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