Here is where a Paragraph widget is created during rendering:

Lines 122 to 125 in d4bbccb

    
           let text = self.text(top_row as usize, height as usize); 
        
           let mut inner = Paragraph::new(text) 
        
               .style(self.0.style()) 
        
               .alignment(self.0.alignment());

Paragraph has a wrap() method to control line wrapping:
https://docs.rs/tui/latest/tui/widgets/struct.Wrap.html

So I think the render function could be changed to something like

        let mut inner = Paragraph::new(text)
            .style(self.0.style())
            .alignment(self.0.alignment())
            .wrap(Wrap { trim: false });

Of course a couple things will need to be done like adding a wrap option to the TextArea widget and related methods. I'm not sure if this would interfere with any of the logic for window scrolling and scroll position; perhaps there is an assumption that there is a 1-to-1 relation between a line in the text content and a rendered line in the terminal. I don't fully understand all the scroll position logic in that file.

	let text = self.text(top_row as usize, height as usize);
	let mut inner = Paragraph::new(text)
	.style(self.0.style())
	.alignment(self.0.alignment());

Feature request: Word wrap #5

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