46 lines
1.3 KiB
Rust
46 lines
1.3 KiB
Rust
use std::rc::Rc;
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use slint::{Model, ModelRc, SharedString, VecModel};
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slint::include_modules!();
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use std::borrow::BorrowMut;
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fn main() {
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let app = MainWindow::new().unwrap();//.run().unwrap();
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let row_data: Rc<VecModel<(bool,bool,ModelRc<SharedString>)>> = Rc::new(VecModel::default());
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for r in 0..1000 {
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let items = VecModel::default();
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for c in 0..3 {
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items.push(slint::format!("Item {r}.{c}").into());
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}
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row_data.push((r % 2 == 0, r% 3 == 0, ModelRc::new(items)));
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}
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app.set_empty_folder_model(row_data.into());
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let a = app.as_weak();
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app.on_deleted(move || {
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let app = a.upgrade().unwrap();
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let mut r = app.get_empty_folder_model();
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let m = r.borrow_mut();
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let length_before = m.iter().count();
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let mut s: Vec<_> = m.iter().filter(|(a,_b,_c)|{
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!*a
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}).collect();
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let length_after = s.len();
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if length_before != length_after {
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dbg!(format!("Items to remove {}", length_before - length_after));
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s.iter_mut().for_each(|(_a, selected_row, _)|{
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*selected_row = false;
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});
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let r = ModelRc::new(VecModel::from(s));
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app.set_empty_folder_model(r.into());
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}
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});
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app.run().unwrap();
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} |