ptth/prototypes/ptth_quic_client_gui/src/main.rs

use fltk::prelude::*;
use fltk::group::Flex;

fn main () {
	let _wind = fltk::window::Window::default ().with_size (800, 600);
	
	let mut col = Flex::default ().column ().size_of_parent ();
	
	// If I set `workaround` to true so that the column contains a single
	// non-sized element, then I can add 100 rows with no problem.
	// Otherwise it crashes at 11.
	
	let workaround = true;
	if workaround {
		let row = Flex::default ().row ();
		row.end ();
		
		col.add (&row);
	}
	
	// 11 will trigger the floating-point exception, 10 will not
	
	let count = if workaround {
		100
	}
	else {
		11
	};
	
	for _ in 0..count {
		let mut row = Flex::default ().row ();
		row.end ();
		
		col.add (&row);
		col.set_size (&mut row, 30);
	}
	col.recalc ();
}