35 lines
1.2 KiB
Python
35 lines
1.2 KiB
Python
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#PySimple examples (v 3.8)
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#Tony Crewe
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#Sep 2018
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import PySimpleGUI as sg
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#Can use a variety of themes - plus individual options
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sg.ChangeLookAndFeel('SandyBeach')
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sg.SetOptions (font = ('Arial', 10, 'bold'))
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layout = [ [sg.Text('Enter a Temperature in Celcius')],
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[sg.Text('Celcius', size =(8,1)), sg.InputText(size = (15,1),key = 'input')],
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[sg.Text('Result', size =(8,1)), sg.InputText(size = (15,1),key = 'result')],
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[sg.ReadButton('Submit', bind_return_key = True)]]
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window = sg.FlexForm('Temp Converter').Layout(layout)
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while True:
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button, value = window.Read()
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if button is not None:
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#catch program errors for text, floats or blank entry:
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#Also validation for range [0, 50]
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try:
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if float(value['input']) > 50 or float(value['input']) <0:
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sg.Popup('Error','Out of range')
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else:
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fahrenheit = round(9/5*int(value['input']) +32, 1)
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window.FindElement('result').Update(fahrenheit) #put result in text box
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except ValueError:
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sg.Popup('Error','Please try again') #display error
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else:
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break
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