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- from guizero import App, TextBox, Text, PushButton, Box, Combo
- app = App(title="texteditor")
- # function for reading files
- def open_file():
- with open(file_name.value, "r") as f:
- editor.value = f.read()
- # functioning for saving files
- def save_file():
- with open(file_name.value, "w") as f:
- f.write(editor.value)
- # create a preference new font, size and colour of the text
- def change_font():
- editor.font = font.value
- def change_text_size():
- text_size = {"small": 6, "medium": 12, "large": 24}
- editor.text_size = text_size[size.value]
- editor.resize(1, 1)
- editor.resize("fill", "fill")
- def change_colour():
- editor.text_color = colour.value
- # create a box to house the controls, we want the box to span the entire width of the app
- file_controls = Box(app, align="top", width="fill")
- # create a TextBox for the file name
- file_name = TextBox(file_controls, text="text_file.txt", width=50, align="left")
- # create a save button which uses the save_file function
- save_button = PushButton(file_controls, text="Save", command=save_file, align="right")
- # create an open button which uses the open_file function
- open_button = PushButton(file_controls, text="Open", command=open_file, align="right")
- # create a TextBox which is not in the box and fills the rest of the GUI
- editor = TextBox(app, multiline=True, height="fill", width="fill", command=change_colour)
- # create a box that consist controling the text
- preferences_control = Box(app, layout='auto', align="bottom", width="fill")
- font = Combo(preferences_control,options=["verdana","arial","times new roman"], align="right", command=change_font)
- size = Combo(preferences_control,options=["small","medium","large"], align="right", command=change_text_size)
- colour = Combo(preferences_control, options=["red","green","black"], align="right", command=change_colour)
- app.display()
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