INNER CODE UNIT · Rust

clear_preview

abenz1267/walker · src/preview/mod.rs:272

    fn clear_preview(&self) {
        while let Some(child) = self.preview_area.first_child() {
            if let Some(picture) = child.downcast_ref::<Picture>() {
                picture.set_filename(Option::<&str>::None);
                picture.set_paintable(gtk4::gdk::Paintable::NONE);
            }

            if let Some(image) = child.downcast_ref::<Image>() {
                image.clear();
                image.set_icon_name(Option::<&str>::None);
            }

            while let Some(container) = child.downcast_ref::<gtk4::Box>()
                && let Some(nested_child) = container.first_child()
            {
                if let Some(nested_picture) = nested_child.downcast_ref::<Picture>() {
                    nested_picture.set_paintable(gtk4::gdk::Paintable::NONE);
                }

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