Method is_double_click

src/plot_state.rs:801–806

(&self, button: mouse::Button)

    ) -> bool {
        let cursor_over = self.available_cursor_is_inside(cursor);

        if let keyboard::Event::ModifiersChanged(modifiers) = event {
            if cursor_over {
                self.modifiers = *modifiers;
            }
            return false;
        }

        let keyboard::Event::KeyPressed { key, .. } = event else {