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- from guizero import *
- app = App(title="texteditor")
- # function for reading files
- def open_file():
- with open(file_name.value, "r") as f:
- editor.value = f.read()
- # function for writing files
- def save_file():
- with open(file_name.value, "w") as f:
- f.write(editor.value)
- def change_font():
- editor.font = font.value
- def change_text_size():
- editor.text_size = size.value
- # resize the widget because if the text is made bigger, this might affect the size of the TextBox so guizero needs to know how to maintain the intended layout
- editor.resize(1, 1)
- editor.resize("fill", "fill")
- def change_colour ():
- editor.text_color = font_c.value
- # new Box for font, size and colour
- preferences_controls = Box(app, width="fill", border=True)
- font = Combo(preferences_controls, options=["Courier", "Times new roman", "Verdana", "Calibri", "Tahoma"], align="left", command=change_font)
- size = Slider(preferences_controls, align="left", command=change_text_size, start=10, end=18)
- font_c = Combo(preferences_controls, options=["Red", "Green", "Blue", "White", "Black", "Gray"], align="left", command=change_colour)
- # box to house the controls, we want the box to span the entire width of the app
- file_controls = Box(app, align="bottom", width="fill")
- # TextBox for the file name
- file_name = TextBox(file_controls, text="text_file.txt", width=50, align="left")
- # save button which uses the save_file function
- save_button = PushButton(file_controls, text="Save", command=save_file, align="right")
- # open button which uses the open_file function
- open_button = PushButton(file_controls, text="Open", command=open_file, align="right")
- # text
- editor = TextBox(app, multiline=True, height="fill", width="fill")
- app.display()
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