{"id":99736,"date":"2026-09-03T07:49:38","date_gmt":"2026-09-02T23:49:38","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/99736.html"},"modified":"2026-09-03T07:49:38","modified_gmt":"2026-09-02T23:49:38","slug":"rustslint-%e5%ae%9e%e7%8e%b0%e5%8a%a8%e6%80%81%e8%bd%ae%e6%92%ad%e5%9b%be%e6%ba%90%e7%a0%81%e5%88%86%e4%ba%ab%ef%bc%8c%e6%94%af%e6%8c%81%e5%8a%a8%e6%80%81%e5%88%a0%e9%99%a4%e3%80%81%e6%b7%bb%e5%8a%a0","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/99736.html","title":{"rendered":"Rust+Slint \u5b9e\u73b0\u52a8\u6001\u8f6e\u64ad\u56fe\u6e90\u7801\u5206\u4eab\uff0c\u652f\u6301\u52a8\u6001\u5220\u9664\u3001\u6dfb\u52a0"},"content":{"rendered":"<\/p>\n<h4>Rust&#043;Slint \u5b9e\u73b0\u52a8\u6001\u8f6e\u64ad\u56fe\u6e90\u7801\u5206\u4eab&#xff0c;\u652f\u6301\u52a8\u6001\u5220\u9664\u3001\u6dfb\u52a0<\/h4>\n<ul>\n<li>\u4e00\u3001\u6548\u679c\u5c55\u793a<\/li>\n<li>\u4e8c\u3001\u6e90\u7801\u5206\u4eab<\/li>\n<li>\n<ul>\n<li>1\u3001\u5de5\u7a0b\u7ed3\u6784<\/li>\n<li>2\u3001main.rs<\/li>\n<li>3\u3001build.rs<\/li>\n<li>4\u3001main.slint<\/li>\n<li>5\u3001Cargo.toml<\/li>\n<li>6\u3001\u5b8c\u6574\u5de5\u7a0b\u4e0b\u8f7d<\/li>\n<\/ul>\n<\/li>\n<li>\u4e09\u3001\u5b9e\u73b0\u539f\u7406<\/li>\n<li>\n<ul>\n<li>1\u3001\u6570\u636e\u6a21\u578b\u4e0e\u72b6\u6001\u7ba1\u7406<\/li>\n<li>2\u3001 \u89c6\u89c9\u5e03\u5c40\u4e0e\u52a8\u753b<\/li>\n<li>\n<ul>\n<li>\u4f4d\u7f6e\u4e0e\u5c42\u7ea7\u8ba1\u7b97<\/li>\n<li>\u89c6\u89c9\u53d8\u6362<\/li>\n<\/ul>\n<\/li>\n<li>3\u3001\u7528\u6237\u4ea4\u4e92<\/li>\n<li>4\u3001\u81ea\u52a8\u8f6e\u64ad\u673a\u5236<\/li>\n<li>5\u3001 \u7ec4\u4ef6\u5316\u4e0e\u6570\u636e\u7ed1\u5b9a<\/li>\n<li>7\u3001\u603b\u7ed3<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2>\u4e00\u3001\u6548\u679c\u5c55\u793a<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/09\/20260902234936-6a98b610dd742.gif\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/09\/20260902234937-6a98b61117703.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/09\/20260902234937-6a98b6113fc3a.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h2>\u4e8c\u3001\u6e90\u7801\u5206\u4eab<\/h2>\n<h3>1\u3001\u5de5\u7a0b\u7ed3\u6784<\/h3>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/09\/20260902234937-6a98b61167e15.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h3>2\u3001main.rs<\/h3>\n<p><span class=\"token namespace\">slint<span class=\"token punctuation\">::<\/span><\/span><span class=\"token macro property\">include_modules!<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">use<\/span> <span class=\"token namespace\">slint<span class=\"token punctuation\">::<\/span><\/span><span class=\"token punctuation\">{<\/span><span class=\"token class-name\">ModelRc<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">SharedString<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">Timer<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">TimerMode<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">VecModel<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">Weak<\/span><span class=\"token punctuation\">,<\/span><span class=\"token class-name\">Image<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">use<\/span> <span class=\"token namespace\">std<span class=\"token punctuation\">::<\/span>cell<span class=\"token punctuation\">::<\/span><\/span><span class=\"token class-name\">RefCell<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">use<\/span> <span class=\"token namespace\">std<span class=\"token punctuation\">::<\/span>rc<span class=\"token punctuation\">::<\/span><\/span><span class=\"token class-name\">Rc<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">use<\/span> <span class=\"token namespace\">std<span class=\"token punctuation\">::<\/span>time<span class=\"token punctuation\">::<\/span><\/span><span class=\"token class-name\">Duration<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">fn<\/span> <span class=\"token function-definition function\">make_timer_callback<\/span><span class=\"token punctuation\">(<\/span>weak_win<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Weak<\/span><span class=\"token operator\">&lt;<\/span><span class=\"token class-name\">MainWindow<\/span><span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">-&gt;<\/span> <span class=\"token keyword\">impl<\/span> <span class=\"token class-name\">Fn<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">move<\/span> <span class=\"token closure-params\"><span class=\"token closure-punctuation punctuation\">|<\/span><span class=\"token closure-punctuation punctuation\">|<\/span><\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">let<\/span> <span class=\"token class-name\">Some<\/span><span class=\"token punctuation\">(<\/span>win<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;<\/span> weak_win<span class=\"token punctuation\">.<\/span><span class=\"token function\">upgrade<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">else<\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token keyword\">return<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> win<span class=\"token punctuation\">.<\/span><span class=\"token function\">get_hover_detected<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token keyword\">let<\/span> current <span class=\"token operator\">&#061;<\/span> win<span class=\"token punctuation\">.<\/span><span class=\"token function\">get_current_index<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">let<\/span> count <span class=\"token operator\">&#061;<\/span> win<span class=\"token punctuation\">.<\/span><span class=\"token function\">get_item_count<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> count <span class=\"token operator\">&gt;<\/span> <span class=\"token number\">0<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">let<\/span> next <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>current<span class=\"token punctuation\">.<\/span><span class=\"token function\">round<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">as<\/span> <span class=\"token keyword\">i32<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#043;<\/span> <span class=\"token number\">1<\/span> <span class=\"token operator\">&lt;<\/span> count <span class=\"token punctuation\">{<\/span><br \/>\n                current <span class=\"token operator\">&#043;<\/span> <span class=\"token number\">1.0<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">else<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token number\">0.0<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            win<span class=\"token punctuation\">.<\/span><span class=\"token function\">set_current_index<\/span><span class=\"token punctuation\">(<\/span>next<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">fn<\/span> <span class=\"token function-definition function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">-&gt;<\/span> <span class=\"token class-name\">Result<\/span><span class=\"token operator\">&lt;<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token namespace\">slint<span class=\"token punctuation\">::<\/span><\/span><span class=\"token class-name\">PlatformError<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">let<\/span> main_window <span class=\"token operator\">&#061;<\/span> <span class=\"token class-name\">MainWindow<\/span><span class=\"token punctuation\">::<\/span><span class=\"token function\">new<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">?<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ Create initial error items matching ShowItem { number: int, note: string, image: image }<\/span><br \/>\n    <span class=\"token keyword\">let<\/span> initial_items <span class=\"token operator\">&#061;<\/span> <span class=\"token macro property\">vec!<\/span><span class=\"token punctuation\">[<\/span><br \/>\n        <span class=\"token class-name\">ShowItem<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            number<span class=\"token punctuation\">:<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span><br \/>\n            note<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">SharedString<\/span><span class=\"token punctuation\">::<\/span><span class=\"token function\">from<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u82f9\u679c&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n            image<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Image<\/span><span class=\"token punctuation\">::<\/span><span class=\"token function\">load_from_path<\/span><span class=\"token punctuation\">(<\/span><span class=\"token namespace\">std<span class=\"token punctuation\">::<\/span>path<span class=\"token punctuation\">::<\/span><\/span><span class=\"token class-name\">Path<\/span><span class=\"token punctuation\">::<\/span><span class=\"token function\">new<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;images\/apple.svg&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">unwrap<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span><br \/>\n        <span class=\"token class-name\">ShowItem<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            number<span class=\"token punctuation\">:<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">,<\/span><br \/>\n            note<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">SharedString<\/span><span class=\"token punctuation\">::<\/span><span class=\"token function\">from<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u9999\u8549&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n            image<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Image<\/span><span class=\"token punctuation\">::<\/span><span class=\"token function\">load_from_path<\/span><span class=\"token punctuation\">(<\/span><span class=\"token namespace\">std<span class=\"token punctuation\">::<\/span>path<span class=\"token punctuation\">::<\/span><\/span><span class=\"token class-name\">Path<\/span><span class=\"token punctuation\">::<\/span><span class=\"token function\">new<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;images\/banana.svg&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">unwrap<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span><br \/>\n        <span class=\"token class-name\">ShowItem<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            number<span class=\"token punctuation\">:<\/span> <span class=\"token number\">3<\/span><span class=\"token punctuation\">,<\/span><br \/>\n            note<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">SharedString<\/span><span class=\"token punctuation\">::<\/span><span class=\"token function\">from<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u897f\u74dc&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n            image<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Image<\/span><span class=\"token punctuation\">::<\/span><span class=\"token function\">load_from_path<\/span><span class=\"token punctuation\">(<\/span><span class=\"token namespace\">std<span class=\"token punctuation\">::<\/span>path<span class=\"token punctuation\">::<\/span><\/span><span class=\"token class-name\">Path<\/span><span class=\"token punctuation\">::<\/span><span class=\"token function\">new<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;images\/watermelon.svg&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">unwrap<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span><br \/>\n        <span class=\"token class-name\">ShowItem<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            number<span class=\"token punctuation\">:<\/span> <span class=\"token number\">4<\/span><span class=\"token punctuation\">,<\/span><br \/>\n            note<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">SharedString<\/span><span class=\"token punctuation\">::<\/span><span class=\"token function\">from<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u6843\u5b50&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n            image<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Image<\/span><span class=\"token punctuation\">::<\/span><span class=\"token function\">load_from_path<\/span><span class=\"token punctuation\">(<\/span><span class=\"token namespace\">std<span class=\"token punctuation\">::<\/span>path<span class=\"token punctuation\">::<\/span><\/span><span class=\"token class-name\">Path<\/span><span class=\"token punctuation\">::<\/span><span class=\"token function\">new<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;images\/peach.svg&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">unwrap<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span><br \/>\n        <span class=\"token class-name\">ShowItem<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            number<span class=\"token punctuation\">:<\/span> <span class=\"token number\">5<\/span><span class=\"token punctuation\">,<\/span><br \/>\n            note<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">SharedString<\/span><span class=\"token punctuation\">::<\/span><span class=\"token function\">from<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u8292\u679c&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n            image<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Image<\/span><span class=\"token punctuation\">::<\/span><span class=\"token function\">load_from_path<\/span><span class=\"token punctuation\">(<\/span><span class=\"token namespace\">std<span class=\"token punctuation\">::<\/span>path<span class=\"token punctuation\">::<\/span><\/span><span class=\"token class-name\">Path<\/span><span class=\"token punctuation\">::<\/span><span class=\"token function\">new<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;images\/mango.svg&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">unwrap<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span><br \/>\n        <span class=\"token class-name\">ShowItem<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            number<span class=\"token punctuation\">:<\/span> <span class=\"token number\">6<\/span><span class=\"token punctuation\">,<\/span><br \/>\n            note<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">SharedString<\/span><span class=\"token punctuation\">::<\/span><span class=\"token function\">from<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u8349\u8393&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n            image<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Image<\/span><span class=\"token punctuation\">::<\/span><span class=\"token function\">load_from_path<\/span><span class=\"token punctuation\">(<\/span><span class=\"token namespace\">std<span class=\"token punctuation\">::<\/span>path<span class=\"token punctuation\">::<\/span><\/span><span class=\"token class-name\">Path<\/span><span class=\"token punctuation\">::<\/span><span class=\"token function\">new<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;images\/strawberry.svg&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">unwrap<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">let<\/span> model <span class=\"token operator\">&#061;<\/span> <span class=\"token class-name\">Rc<\/span><span class=\"token punctuation\">::<\/span><span class=\"token function\">new<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">VecModel<\/span><span class=\"token punctuation\">::<\/span><span class=\"token function\">from<\/span><span class=\"token punctuation\">(<\/span>initial_items<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    main_window<span class=\"token punctuation\">.<\/span><span class=\"token function\">set_error_items<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">ModelRc<\/span><span class=\"token punctuation\">::<\/span><span class=\"token function\">from<\/span><span class=\"token punctuation\">(<\/span>model<span class=\"token punctuation\">.<\/span><span class=\"token function\">clone<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ Set up the remove-item callback<\/span><br \/>\n    <span class=\"token keyword\">let<\/span> model_for_remove <span class=\"token operator\">&#061;<\/span> model<span class=\"token punctuation\">.<\/span><span class=\"token function\">clone<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    main_window<span class=\"token punctuation\">.<\/span><span class=\"token function\">on_remove_item<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">move<\/span> <span class=\"token closure-params\"><span class=\"token closure-punctuation punctuation\">|<\/span>index<span class=\"token punctuation\">:<\/span> <span class=\"token keyword\">i32<\/span><span class=\"token closure-punctuation punctuation\">|<\/span><\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        model_for_remove<span class=\"token punctuation\">.<\/span><span class=\"token function\">remove<\/span><span class=\"token punctuation\">(<\/span>index <span class=\"token keyword\">as<\/span> <span class=\"token keyword\">usize<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ Set up the clear-error callback (receives int number now)<\/span><br \/>\n    main_window<span class=\"token punctuation\">.<\/span><span class=\"token function\">on_clear_error<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">move<\/span> <span class=\"token closure-params\"><span class=\"token closure-punctuation punctuation\">|<\/span>number<span class=\"token punctuation\">:<\/span> <span class=\"token keyword\">i32<\/span><span class=\"token closure-punctuation punctuation\">|<\/span><\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token macro property\">println!<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;Clear error: {}&#034;<\/span><span class=\"token punctuation\">,<\/span> number<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ Auto-rotation timer (3 seconds)<\/span><br \/>\n    <span class=\"token keyword\">let<\/span> weak_window <span class=\"token operator\">&#061;<\/span> main_window<span class=\"token punctuation\">.<\/span><span class=\"token function\">as_weak<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">let<\/span> timer <span class=\"token operator\">&#061;<\/span> <span class=\"token class-name\">Rc<\/span><span class=\"token punctuation\">::<\/span><span class=\"token function\">new<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">RefCell<\/span><span class=\"token punctuation\">::<\/span><span class=\"token function\">new<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Timer<\/span><span class=\"token punctuation\">::<\/span><span class=\"token function\">default<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    timer<span class=\"token punctuation\">.<\/span><span class=\"token function\">borrow<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">start<\/span><span class=\"token punctuation\">(<\/span><br \/>\n        <span class=\"token class-name\">TimerMode<\/span><span class=\"token punctuation\">::<\/span><span class=\"token class-name\">Repeated<\/span><span class=\"token punctuation\">,<\/span><br \/>\n        <span class=\"token class-name\">Duration<\/span><span class=\"token punctuation\">::<\/span><span class=\"token function\">from_secs<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">3<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n        <span class=\"token function\">make_timer_callback<\/span><span class=\"token punctuation\">(<\/span>weak_window<span class=\"token punctuation\">.<\/span><span class=\"token function\">clone<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ Reset-timer callback: restart the 3-second timer from scratch<\/span><br \/>\n    <span class=\"token keyword\">let<\/span> timer_for_reset <span class=\"token operator\">&#061;<\/span> timer<span class=\"token punctuation\">.<\/span><span class=\"token function\">clone<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">let<\/span> weak_window_for_reset <span class=\"token operator\">&#061;<\/span> weak_window<span class=\"token punctuation\">.<\/span><span class=\"token function\">clone<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    main_window<span class=\"token punctuation\">.<\/span><span class=\"token function\">on_reset_timer<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">move<\/span> <span class=\"token closure-params\"><span class=\"token closure-punctuation punctuation\">|<\/span><span class=\"token closure-punctuation punctuation\">|<\/span><\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        timer_for_reset<span class=\"token punctuation\">.<\/span><span class=\"token function\">borrow<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">start<\/span><span class=\"token punctuation\">(<\/span><br \/>\n            <span class=\"token class-name\">TimerMode<\/span><span class=\"token punctuation\">::<\/span><span class=\"token class-name\">Repeated<\/span><span class=\"token punctuation\">,<\/span><br \/>\n            <span class=\"token class-name\">Duration<\/span><span class=\"token punctuation\">::<\/span><span class=\"token function\">from_secs<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">3<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n            <span class=\"token function\">make_timer_callback<\/span><span class=\"token punctuation\">(<\/span>weak_window_for_reset<span class=\"token punctuation\">.<\/span><span class=\"token function\">clone<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n        <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ Keep timer alive for the lifetime of the application<\/span><br \/>\n    <span class=\"token namespace\">std<span class=\"token punctuation\">::<\/span>mem<span class=\"token punctuation\">::<\/span><\/span><span class=\"token function\">forget<\/span><span class=\"token punctuation\">(<\/span>timer<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    main_window<span class=\"token punctuation\">.<\/span><span class=\"token function\">run<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h3>3\u3001build.rs<\/h3>\n<p><span class=\"token keyword\">fn<\/span> <span class=\"token function-definition function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token namespace\">slint_build<span class=\"token punctuation\">::<\/span><\/span><span class=\"token function\">compile<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;ui\/main.slint&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">.<\/span><span class=\"token function\">unwrap<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h3>4\u3001main.slint<\/h3>\n<p><span class=\"token keyword\">struct<\/span> <span class=\"token type-definition class-name\">ShowItem<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    number<span class=\"token punctuation\">:<\/span> int<span class=\"token punctuation\">,<\/span><br \/>\n    note<span class=\"token punctuation\">:<\/span> string<span class=\"token punctuation\">,<\/span><br \/>\n    image<span class=\"token punctuation\">:<\/span> image<span class=\"token punctuation\">,<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ Individual carousel card component<\/span><br \/>\ncomponent <span class=\"token class-name\">CarouselCard<\/span> inherits <span class=\"token class-name\">Rectangle<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">in<\/span> property <span class=\"token operator\">&lt;<\/span>int<span class=\"token operator\">&gt;<\/span> number<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">in<\/span> property <span class=\"token operator\">&lt;<\/span>string<span class=\"token operator\">&gt;<\/span> note<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">in<\/span> property <span class=\"token operator\">&lt;<\/span>image<span class=\"token operator\">&gt;<\/span> image<span class=\"token punctuation\">;<\/span><br \/>\n    callback clear<span class=\"token operator\">&#8211;<\/span><span class=\"token function\">clicked<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    border<span class=\"token operator\">&#8211;<\/span>radius<span class=\"token punctuation\">:<\/span> 15px<span class=\"token punctuation\">;<\/span><br \/>\n    background<span class=\"token punctuation\">:<\/span> #09b1db79<span class=\"token punctuation\">;<\/span><br \/>\n    border<span class=\"token operator\">&#8211;<\/span>width<span class=\"token punctuation\">:<\/span> 2px<span class=\"token punctuation\">;<\/span><br \/>\n    border<span class=\"token operator\">&#8211;<\/span>color<span class=\"token punctuation\">:<\/span> #3040aaff<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token class-name\">HorizontalLayout<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        padding<span class=\"token operator\">&#8211;<\/span>left<span class=\"token punctuation\">:<\/span> 10px<span class=\"token punctuation\">;<\/span><br \/>\n        padding<span class=\"token operator\">&#8211;<\/span>right<span class=\"token punctuation\">:<\/span> 10px<span class=\"token punctuation\">;<\/span><br \/>\n        padding<span class=\"token operator\">&#8211;<\/span>top<span class=\"token punctuation\">:<\/span> 10px<span class=\"token punctuation\">;<\/span><br \/>\n        padding<span class=\"token operator\">&#8211;<\/span>bottom<span class=\"token punctuation\">:<\/span> 10px<span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ Left side: image &#043; text content<\/span><br \/>\n        <span class=\"token class-name\">VerticalLayout<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            horizontal<span class=\"token operator\">&#8211;<\/span>stretch<span class=\"token punctuation\">:<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token comment\">\/\/ Error image<\/span><br \/>\n            <span class=\"token class-name\">Image<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                source<span class=\"token punctuation\">:<\/span> image<span class=\"token punctuation\">;<\/span><br \/>\n                horizontal<span class=\"token operator\">&#8211;<\/span>alignment<span class=\"token punctuation\">:<\/span> center<span class=\"token punctuation\">;<\/span><br \/>\n                vertical<span class=\"token operator\">&#8211;<\/span>stretch<span class=\"token punctuation\">:<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><\/p>\n<p>            <span class=\"token comment\">\/\/ Note text<\/span><br \/>\n            <span class=\"token class-name\">Text<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token comment\">\/\/width: parent.width;<\/span><br \/>\n                height<span class=\"token punctuation\">:<\/span> 50px<span class=\"token punctuation\">;<\/span><br \/>\n                text<span class=\"token punctuation\">:<\/span> note<span class=\"token punctuation\">;<\/span><br \/>\n                font<span class=\"token operator\">&#8211;<\/span>size<span class=\"token punctuation\">:<\/span> 15px<span class=\"token punctuation\">;<\/span><br \/>\n                color<span class=\"token punctuation\">:<\/span> #ccccccff<span class=\"token punctuation\">;<\/span><br \/>\n                horizontal<span class=\"token operator\">&#8211;<\/span>alignment<span class=\"token punctuation\">:<\/span> center<span class=\"token punctuation\">;<\/span><br \/>\n                vertical<span class=\"token operator\">&#8211;<\/span>alignment<span class=\"token punctuation\">:<\/span> center<span class=\"token punctuation\">;<\/span><br \/>\n                vertical<span class=\"token operator\">&#8211;<\/span>stretch<span class=\"token punctuation\">:<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n            <span class=\"token comment\">\/\/ Right side: clear\/delete button<\/span><br \/>\n            <span class=\"token class-name\">Rectangle<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token comment\">\/\/width: parent.width;<\/span><br \/>\n                height<span class=\"token punctuation\">:<\/span> 30px<span class=\"token punctuation\">;<\/span><br \/>\n                border<span class=\"token operator\">&#8211;<\/span>radius<span class=\"token punctuation\">:<\/span> 10px<span class=\"token punctuation\">;<\/span><\/p>\n<p>                background<span class=\"token punctuation\">:<\/span> btn<span class=\"token operator\">&#8211;<\/span>touch<span class=\"token punctuation\">.<\/span>pressed <span class=\"token operator\">?<\/span> #80ff4444 <span class=\"token punctuation\">:<\/span> #40ff6666<span class=\"token punctuation\">;<\/span><\/p>\n<p>                <span class=\"token class-name\">Text<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                    text<span class=\"token punctuation\">:<\/span> <span class=\"token string\">&#034;\u6e05\u9664&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                    color<span class=\"token punctuation\">:<\/span> white<span class=\"token punctuation\">;<\/span><br \/>\n                    font<span class=\"token operator\">&#8211;<\/span>size<span class=\"token punctuation\">:<\/span> 20px<span class=\"token punctuation\">;<\/span><br \/>\n                    horizontal<span class=\"token operator\">&#8211;<\/span>alignment<span class=\"token punctuation\">:<\/span> center<span class=\"token punctuation\">;<\/span><br \/>\n                    vertical<span class=\"token operator\">&#8211;<\/span>alignment<span class=\"token punctuation\">:<\/span> center<span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token punctuation\">}<\/span><\/p>\n<p>                btn<span class=\"token operator\">&#8211;<\/span>touch <span class=\"token punctuation\">:<\/span><span class=\"token operator\">&#061;<\/span> <span class=\"token class-name\">TouchArea<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                    clicked <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                        clear<span class=\"token operator\">&#8211;<\/span><span class=\"token function\">clicked<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                    <span class=\"token punctuation\">}<\/span><br \/>\n                <span class=\"token punctuation\">}<\/span><\/p>\n<p>                animate background <span class=\"token punctuation\">{<\/span> duration<span class=\"token punctuation\">:<\/span> 150ms<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token punctuation\">}<\/span><\/p>\n<p>export component <span class=\"token class-name\">MainWindow<\/span> inherits <span class=\"token class-name\">Window<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    width<span class=\"token punctuation\">:<\/span> 800px<span class=\"token punctuation\">;<\/span><br \/>\n    height<span class=\"token punctuation\">:<\/span> 400px<span class=\"token punctuation\">;<\/span><br \/>\n    title<span class=\"token punctuation\">:<\/span> <span class=\"token string\">&#034;Dynamic Carousel&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    background<span class=\"token punctuation\">:<\/span> #1a1a2e<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">in<\/span> property <span class=\"token operator\">&lt;<\/span><span class=\"token punctuation\">[<\/span><span class=\"token class-name\">ShowItem<\/span><span class=\"token punctuation\">]<\/span><span class=\"token operator\">&gt;<\/span> error<span class=\"token operator\">&#8211;<\/span>items<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">in<\/span><span class=\"token operator\">&#8211;<\/span>out property <span class=\"token operator\">&lt;<\/span>float<span class=\"token operator\">&gt;<\/span> current<span class=\"token operator\">&#8211;<\/span>index<span class=\"token punctuation\">:<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">in<\/span><span class=\"token operator\">&#8211;<\/span>out property <span class=\"token operator\">&lt;<\/span>int<span class=\"token operator\">&gt;<\/span> item<span class=\"token operator\">&#8211;<\/span>count<span class=\"token punctuation\">:<\/span> error<span class=\"token operator\">&#8211;<\/span>items<span class=\"token punctuation\">.<\/span>length<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">in<\/span><span class=\"token operator\">&#8211;<\/span>out property <span class=\"token operator\">&lt;<\/span><span class=\"token keyword\">bool<\/span><span class=\"token operator\">&gt;<\/span> hover<span class=\"token operator\">&#8211;<\/span>detected<span class=\"token punctuation\">:<\/span> touch<span class=\"token operator\">&#8211;<\/span>area<span class=\"token punctuation\">.<\/span>has<span class=\"token operator\">&#8211;<\/span>hover<span class=\"token punctuation\">;<\/span><\/p>\n<p>    callback remove<span class=\"token operator\">&#8211;<\/span><span class=\"token function\">item<\/span><span class=\"token punctuation\">(<\/span>int<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    callback clear<span class=\"token operator\">&#8211;<\/span><span class=\"token function\">error<\/span><span class=\"token punctuation\">(<\/span>int<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    callback reset<span class=\"token operator\">&#8211;<\/span><span class=\"token function\">timer<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ Card dimensions<\/span><br \/>\n    property <span class=\"token operator\">&lt;<\/span>length<span class=\"token operator\">&gt;<\/span> card<span class=\"token operator\">&#8211;<\/span>w<span class=\"token punctuation\">:<\/span> root<span class=\"token punctuation\">.<\/span>width <span class=\"token operator\">*<\/span> <span class=\"token number\">0.40<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    property <span class=\"token operator\">&lt;<\/span>length<span class=\"token operator\">&gt;<\/span> card<span class=\"token operator\">&#8211;<\/span>h<span class=\"token punctuation\">:<\/span> root<span class=\"token punctuation\">.<\/span>height <span class=\"token operator\">*<\/span> <span class=\"token number\">0.70<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    property <span class=\"token operator\">&lt;<\/span>length<span class=\"token operator\">&gt;<\/span> side<span class=\"token operator\">&#8211;<\/span>offset<span class=\"token punctuation\">:<\/span> root<span class=\"token punctuation\">.<\/span>width <span class=\"token operator\">*<\/span> <span class=\"token number\">0.34<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ Hover detection area<\/span><br \/>\n    touch<span class=\"token operator\">&#8211;<\/span>area <span class=\"token punctuation\">:<\/span><span class=\"token operator\">&#061;<\/span> <span class=\"token class-name\">TouchArea<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        width<span class=\"token punctuation\">:<\/span> root<span class=\"token punctuation\">.<\/span>width<span class=\"token punctuation\">;<\/span><br \/>\n        height<span class=\"token punctuation\">:<\/span> root<span class=\"token punctuation\">.<\/span>height<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ Carousel cards: single for loop, all cards always rendered<\/span><br \/>\n    <span class=\"token keyword\">for<\/span> item<span class=\"token punctuation\">[<\/span>idx<span class=\"token punctuation\">]<\/span> <span class=\"token keyword\">in<\/span> error<span class=\"token operator\">&#8211;<\/span>items <span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">CarouselCard<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ Integer offset from current center<\/span><br \/>\n        property <span class=\"token operator\">&lt;<\/span>int<span class=\"token operator\">&gt;<\/span> ci<span class=\"token punctuation\">:<\/span> <span class=\"token function\">round<\/span><span class=\"token punctuation\">(<\/span>current<span class=\"token operator\">&#8211;<\/span>index<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        property <span class=\"token operator\">&lt;<\/span>int<span class=\"token operator\">&gt;<\/span> raw<span class=\"token punctuation\">:<\/span> idx <span class=\"token operator\">&#8211;<\/span> ci<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/ Normalization range: [-(N-1)\/2, N\/2] &#8211; ensures single item stays centered<\/span><br \/>\n        property <span class=\"token operator\">&lt;<\/span>int<span class=\"token operator\">&gt;<\/span> low<span class=\"token punctuation\">:<\/span> <span class=\"token number\">0<\/span> <span class=\"token operator\">&#8211;<\/span> <span class=\"token punctuation\">(<\/span>item<span class=\"token operator\">&#8211;<\/span>count <span class=\"token operator\">&#8211;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">\/<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        property <span class=\"token operator\">&lt;<\/span>int<span class=\"token operator\">&gt;<\/span> high<span class=\"token punctuation\">:<\/span> item<span class=\"token operator\">&#8211;<\/span>count <span class=\"token operator\">\/<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        property <span class=\"token operator\">&lt;<\/span>int<span class=\"token operator\">&gt;<\/span> norm<span class=\"token punctuation\">:<\/span> raw <span class=\"token operator\">&lt;<\/span> low <span class=\"token operator\">?<\/span> raw <span class=\"token operator\">&#043;<\/span> item<span class=\"token operator\">&#8211;<\/span>count <span class=\"token punctuation\">:<\/span><br \/>\n                             raw <span class=\"token operator\">&gt;<\/span> high <span class=\"token operator\">?<\/span> raw <span class=\"token operator\">&#8211;<\/span> item<span class=\"token operator\">&#8211;<\/span>count <span class=\"token punctuation\">:<\/span> raw<span class=\"token punctuation\">;<\/span><br \/>\n        property <span class=\"token operator\">&lt;<\/span>float<span class=\"token operator\">&gt;<\/span> abs<span class=\"token operator\">&#8211;<\/span>n<span class=\"token punctuation\">:<\/span> norm <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span> <span class=\"token operator\">?<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span> <span class=\"token operator\">&#8211;<\/span> norm<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">*<\/span> <span class=\"token number\">1.0<\/span> <span class=\"token punctuation\">:<\/span> norm <span class=\"token operator\">*<\/span> <span class=\"token number\">1.0<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ Computed size (independent property, avoids self.width feedback loop)<\/span><br \/>\n        property <span class=\"token operator\">&lt;<\/span>float<span class=\"token operator\">&gt;<\/span> sf<span class=\"token punctuation\">:<\/span> <span class=\"token number\">1.0<\/span> <span class=\"token operator\">&#8211;<\/span> abs<span class=\"token operator\">&#8211;<\/span>n <span class=\"token operator\">*<\/span> <span class=\"token number\">0.25<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        property <span class=\"token operator\">&lt;<\/span>length<span class=\"token operator\">&gt;<\/span> cw<span class=\"token punctuation\">:<\/span> card<span class=\"token operator\">&#8211;<\/span>w <span class=\"token operator\">*<\/span> sf<span class=\"token punctuation\">;<\/span><br \/>\n        property <span class=\"token operator\">&lt;<\/span>length<span class=\"token operator\">&gt;<\/span> ch<span class=\"token punctuation\">:<\/span> card<span class=\"token operator\">&#8211;<\/span>h <span class=\"token operator\">*<\/span> sf<span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ Smooth opacity falloff<\/span><br \/>\n        opacity<span class=\"token punctuation\">:<\/span> abs<span class=\"token operator\">&#8211;<\/span>n <span class=\"token operator\">&lt;&#061;<\/span> <span class=\"token number\">0.0<\/span> <span class=\"token operator\">?<\/span> <span class=\"token number\">1.0<\/span> <span class=\"token punctuation\">:<\/span><br \/>\n                 abs<span class=\"token operator\">&#8211;<\/span>n <span class=\"token operator\">&lt;&#061;<\/span> <span class=\"token number\">1.0<\/span> <span class=\"token operator\">?<\/span> <span class=\"token number\">0.85<\/span> <span class=\"token operator\">&#8211;<\/span> <span class=\"token punctuation\">(<\/span>abs<span class=\"token operator\">&#8211;<\/span>n <span class=\"token operator\">&#8211;<\/span> <span class=\"token number\">0.0<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">*<\/span> <span class=\"token number\">0.15<\/span> <span class=\"token punctuation\">:<\/span><br \/>\n                 abs<span class=\"token operator\">&#8211;<\/span>n <span class=\"token operator\">&lt;&#061;<\/span> <span class=\"token number\">2.0<\/span> <span class=\"token operator\">?<\/span> <span class=\"token number\">0.7<\/span> <span class=\"token operator\">&#8211;<\/span> <span class=\"token punctuation\">(<\/span>abs<span class=\"token operator\">&#8211;<\/span>n <span class=\"token operator\">&#8211;<\/span> <span class=\"token number\">1.0<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">*<\/span> <span class=\"token number\">0.5<\/span> <span class=\"token punctuation\">:<\/span><br \/>\n                 abs<span class=\"token operator\">&#8211;<\/span>n <span class=\"token operator\">&lt;&#061;<\/span> <span class=\"token number\">3.0<\/span> <span class=\"token operator\">?<\/span> <span class=\"token number\">0.2<\/span> <span class=\"token operator\">&#8211;<\/span> <span class=\"token punctuation\">(<\/span>abs<span class=\"token operator\">&#8211;<\/span>n <span class=\"token operator\">&#8211;<\/span> <span class=\"token number\">2.0<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">*<\/span> <span class=\"token number\">0.2<\/span> <span class=\"token punctuation\">:<\/span><br \/>\n                 <span class=\"token number\">0.0<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        width<span class=\"token punctuation\">:<\/span> cw<span class=\"token punctuation\">;<\/span><br \/>\n        height<span class=\"token punctuation\">:<\/span> ch<span class=\"token punctuation\">;<\/span><br \/>\n        x<span class=\"token punctuation\">:<\/span> root<span class=\"token punctuation\">.<\/span>width <span class=\"token operator\">\/<\/span> <span class=\"token number\">2<\/span> <span class=\"token operator\">&#043;<\/span> norm <span class=\"token operator\">*<\/span> side<span class=\"token operator\">&#8211;<\/span>offset <span class=\"token operator\">&#8211;<\/span> cw <span class=\"token operator\">\/<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        y<span class=\"token punctuation\">:<\/span> root<span class=\"token punctuation\">.<\/span>height <span class=\"token operator\">\/<\/span> <span class=\"token number\">2<\/span> <span class=\"token operator\">&#8211;<\/span> ch <span class=\"token operator\">\/<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ Smooth slide\/fade animation<\/span><br \/>\n        animate x <span class=\"token punctuation\">{<\/span> duration<span class=\"token punctuation\">:<\/span> 400ms<span class=\"token punctuation\">;<\/span> easing<span class=\"token punctuation\">:<\/span> ease<span class=\"token operator\">&#8211;<\/span><span class=\"token keyword\">in<\/span><span class=\"token operator\">&#8211;<\/span>out<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span><br \/>\n        animate y <span class=\"token punctuation\">{<\/span> duration<span class=\"token punctuation\">:<\/span> 400ms<span class=\"token punctuation\">;<\/span> easing<span class=\"token punctuation\">:<\/span> ease<span class=\"token operator\">&#8211;<\/span><span class=\"token keyword\">in<\/span><span class=\"token operator\">&#8211;<\/span>out<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span><br \/>\n        animate width <span class=\"token punctuation\">{<\/span> duration<span class=\"token punctuation\">:<\/span> 400ms<span class=\"token punctuation\">;<\/span> easing<span class=\"token punctuation\">:<\/span> ease<span class=\"token operator\">&#8211;<\/span><span class=\"token keyword\">in<\/span><span class=\"token operator\">&#8211;<\/span>out<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span><br \/>\n        animate height <span class=\"token punctuation\">{<\/span> duration<span class=\"token punctuation\">:<\/span> 400ms<span class=\"token punctuation\">;<\/span> easing<span class=\"token punctuation\">:<\/span> ease<span class=\"token operator\">&#8211;<\/span><span class=\"token keyword\">in<\/span><span class=\"token operator\">&#8211;<\/span>out<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span><br \/>\n        animate opacity <span class=\"token punctuation\">{<\/span> duration<span class=\"token punctuation\">:<\/span> 400ms<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ Content from model<\/span><br \/>\n        number<span class=\"token punctuation\">:<\/span> error<span class=\"token operator\">&#8211;<\/span>items<span class=\"token punctuation\">[<\/span>idx<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span>number<span class=\"token punctuation\">;<\/span><br \/>\n        note<span class=\"token punctuation\">:<\/span> error<span class=\"token operator\">&#8211;<\/span>items<span class=\"token punctuation\">[<\/span>idx<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span>note<span class=\"token punctuation\">;<\/span><br \/>\n        image<span class=\"token punctuation\">:<\/span>error<span class=\"token operator\">&#8211;<\/span>items<span class=\"token punctuation\">[<\/span>idx<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span>image<span class=\"token punctuation\">;<\/span><\/p>\n<p>        clear<span class=\"token operator\">&#8211;<\/span>clicked <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            reset<span class=\"token operator\">&#8211;<\/span><span class=\"token function\">timer<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            remove<span class=\"token operator\">&#8211;<\/span><span class=\"token function\">item<\/span><span class=\"token punctuation\">(<\/span>idx<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            clear<span class=\"token operator\">&#8211;<\/span><span class=\"token function\">error<\/span><span class=\"token punctuation\">(<\/span>error<span class=\"token operator\">&#8211;<\/span>items<span class=\"token punctuation\">[<\/span>idx<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span>number<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ Navigation dots<\/span><br \/>\n    <span class=\"token class-name\">HorizontalLayout<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        y<span class=\"token punctuation\">:<\/span> root<span class=\"token punctuation\">.<\/span>height <span class=\"token operator\">&#8211;<\/span> 35px<span class=\"token punctuation\">;<\/span><br \/>\n        width<span class=\"token punctuation\">:<\/span> root<span class=\"token punctuation\">.<\/span>width<span class=\"token punctuation\">;<\/span><br \/>\n        height<span class=\"token punctuation\">:<\/span> 24px<span class=\"token punctuation\">;<\/span><br \/>\n        alignment<span class=\"token punctuation\">:<\/span> center<span class=\"token punctuation\">;<\/span><br \/>\n        spacing<span class=\"token punctuation\">:<\/span> 6px<span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token keyword\">for<\/span> item<span class=\"token punctuation\">[<\/span>idx<span class=\"token punctuation\">]<\/span> <span class=\"token keyword\">in<\/span> error<span class=\"token operator\">&#8211;<\/span>items <span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Rectangle<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            width<span class=\"token punctuation\">:<\/span> 10px<span class=\"token punctuation\">;<\/span><br \/>\n            height<span class=\"token punctuation\">:<\/span> 10px<span class=\"token punctuation\">;<\/span><br \/>\n            border<span class=\"token operator\">&#8211;<\/span>radius<span class=\"token punctuation\">:<\/span> 5px<span class=\"token punctuation\">;<\/span><br \/>\n            background<span class=\"token punctuation\">:<\/span> idx <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token function\">round<\/span><span class=\"token punctuation\">(<\/span>current<span class=\"token operator\">&#8211;<\/span>index<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">?<\/span> #6070ddff <span class=\"token punctuation\">:<\/span> #<span class=\"token number\">30406080<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            animate background <span class=\"token punctuation\">{<\/span> duration<span class=\"token punctuation\">:<\/span> 300ms<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ Left navigation arrow<\/span><br \/>\n    left<span class=\"token operator\">&#8211;<\/span>arrow <span class=\"token punctuation\">:<\/span><span class=\"token operator\">&#061;<\/span> <span class=\"token class-name\">Rectangle<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        x<span class=\"token punctuation\">:<\/span> 10px<span class=\"token punctuation\">;<\/span><br \/>\n        y<span class=\"token punctuation\">:<\/span> root<span class=\"token punctuation\">.<\/span>height <span class=\"token operator\">\/<\/span> <span class=\"token number\">2<\/span> <span class=\"token operator\">&#8211;<\/span> 20px<span class=\"token punctuation\">;<\/span><br \/>\n        width<span class=\"token punctuation\">:<\/span> 40px<span class=\"token punctuation\">;<\/span><br \/>\n        height<span class=\"token punctuation\">:<\/span> 40px<span class=\"token punctuation\">;<\/span><br \/>\n        border<span class=\"token operator\">&#8211;<\/span>radius<span class=\"token punctuation\">:<\/span> 20px<span class=\"token punctuation\">;<\/span><br \/>\n        background<span class=\"token punctuation\">:<\/span> touch<span class=\"token operator\">&#8211;<\/span>left<span class=\"token punctuation\">.<\/span>pressed <span class=\"token operator\">?<\/span> #80ffffff <span class=\"token punctuation\">:<\/span> #40ffffff<span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token class-name\">Text<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            text<span class=\"token punctuation\">:<\/span> <span class=\"token string\">&#034;\u25c0&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            color<span class=\"token punctuation\">:<\/span> white<span class=\"token punctuation\">;<\/span><br \/>\n            font<span class=\"token operator\">&#8211;<\/span>size<span class=\"token punctuation\">:<\/span> 18px<span class=\"token punctuation\">;<\/span><br \/>\n            horizontal<span class=\"token operator\">&#8211;<\/span>alignment<span class=\"token punctuation\">:<\/span> center<span class=\"token punctuation\">;<\/span><br \/>\n            vertical<span class=\"token operator\">&#8211;<\/span>alignment<span class=\"token punctuation\">:<\/span> center<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        touch<span class=\"token operator\">&#8211;<\/span>left <span class=\"token punctuation\">:<\/span><span class=\"token operator\">&#061;<\/span> <span class=\"token class-name\">TouchArea<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            clicked <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                reset<span class=\"token operator\">&#8211;<\/span><span class=\"token function\">timer<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token keyword\">if<\/span> current<span class=\"token operator\">&#8211;<\/span>index <span class=\"token operator\">&gt;<\/span> <span class=\"token number\">0<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                    current<span class=\"token operator\">&#8211;<\/span>index <span class=\"token operator\">&#061;<\/span> current<span class=\"token operator\">&#8211;<\/span>index <span class=\"token operator\">&#8211;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">else<\/span> <span class=\"token keyword\">if<\/span> item<span class=\"token operator\">&#8211;<\/span>count <span class=\"token operator\">&gt;<\/span> <span class=\"token number\">0<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                    current<span class=\"token operator\">&#8211;<\/span>index <span class=\"token operator\">&#061;<\/span> item<span class=\"token operator\">&#8211;<\/span>count <span class=\"token operator\">&#8211;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token punctuation\">}<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        animate background <span class=\"token punctuation\">{<\/span> duration<span class=\"token punctuation\">:<\/span> 150ms<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ Right navigation arrow<\/span><br \/>\n    right<span class=\"token operator\">&#8211;<\/span>arrow <span class=\"token punctuation\">:<\/span><span class=\"token operator\">&#061;<\/span> <span class=\"token class-name\">Rectangle<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        x<span class=\"token punctuation\">:<\/span> root<span class=\"token punctuation\">.<\/span>width <span class=\"token operator\">&#8211;<\/span> 50px<span class=\"token punctuation\">;<\/span><br \/>\n        y<span class=\"token punctuation\">:<\/span> root<span class=\"token punctuation\">.<\/span>height <span class=\"token operator\">\/<\/span> <span class=\"token number\">2<\/span> <span class=\"token operator\">&#8211;<\/span> 20px<span class=\"token punctuation\">;<\/span><br \/>\n        width<span class=\"token punctuation\">:<\/span> 40px<span class=\"token punctuation\">;<\/span><br \/>\n        height<span class=\"token punctuation\">:<\/span> 40px<span class=\"token punctuation\">;<\/span><br \/>\n        border<span class=\"token operator\">&#8211;<\/span>radius<span class=\"token punctuation\">:<\/span> 20px<span class=\"token punctuation\">;<\/span><br \/>\n        background<span class=\"token punctuation\">:<\/span> touch<span class=\"token operator\">&#8211;<\/span>right<span class=\"token punctuation\">.<\/span>pressed <span class=\"token operator\">?<\/span> #80ffffff <span class=\"token punctuation\">:<\/span> #40ffffff<span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token class-name\">Text<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            text<span class=\"token punctuation\">:<\/span> <span class=\"token string\">&#034;\u25b6&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            color<span class=\"token punctuation\">:<\/span> white<span class=\"token punctuation\">;<\/span><br \/>\n            font<span class=\"token operator\">&#8211;<\/span>size<span class=\"token punctuation\">:<\/span> 18px<span class=\"token punctuation\">;<\/span><br \/>\n            horizontal<span class=\"token operator\">&#8211;<\/span>alignment<span class=\"token punctuation\">:<\/span> center<span class=\"token punctuation\">;<\/span><br \/>\n            vertical<span class=\"token operator\">&#8211;<\/span>alignment<span class=\"token punctuation\">:<\/span> center<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        touch<span class=\"token operator\">&#8211;<\/span>right <span class=\"token punctuation\">:<\/span><span class=\"token operator\">&#061;<\/span> <span class=\"token class-name\">TouchArea<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            clicked <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                reset<span class=\"token operator\">&#8211;<\/span><span class=\"token function\">timer<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token keyword\">if<\/span> <span class=\"token function\">round<\/span><span class=\"token punctuation\">(<\/span>current<span class=\"token operator\">&#8211;<\/span>index<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#043;<\/span> <span class=\"token number\">1<\/span> <span class=\"token operator\">&lt;<\/span> item<span class=\"token operator\">&#8211;<\/span>count <span class=\"token punctuation\">{<\/span><br \/>\n                    current<span class=\"token operator\">&#8211;<\/span>index <span class=\"token operator\">&#061;<\/span> current<span class=\"token operator\">&#8211;<\/span>index <span class=\"token operator\">&#043;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">else<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                    current<span class=\"token operator\">&#8211;<\/span>index <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token punctuation\">}<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        animate background <span class=\"token punctuation\">{<\/span> duration<span class=\"token punctuation\">:<\/span> 150ms<span class=\"token punctuation\">;<\/span> <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h3>5\u3001Cargo.toml<\/h3>\n<p><span class=\"token punctuation\">[<\/span>package<span class=\"token punctuation\">]<\/span><br \/>\nname <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;chart&#034;<\/span><br \/>\nversion <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;0.1.0&#034;<\/span><br \/>\nedition <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;2024&#034;<\/span><\/p>\n<p><span class=\"token punctuation\">[<\/span>dependencies<span class=\"token punctuation\">]<\/span><br \/>\nslint <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">{<\/span> version <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;1.16.1&#034;<\/span><span class=\"token punctuation\">,<\/span> features <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;renderer-winit-femtovg&#034;<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token punctuation\">[<\/span>build<span class=\"token operator\">&#8211;<\/span>dependencies<span class=\"token punctuation\">]<\/span><br \/>\nslint<span class=\"token operator\">&#8211;<\/span>build <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;1.16.1&#034;<\/span><\/p>\n<h3>6\u3001\u5b8c\u6574\u5de5\u7a0b\u4e0b\u8f7d<\/h3>\n<p>https:\/\/download.csdn.net\/download\/qq_15181569\/93274167<\/p>\n<h2>\u4e09\u3001\u5b9e\u73b0\u539f\u7406<\/h2>\n<p>\u672c\u9879\u76ee\u7684\u6838\u5fc3\u662f\u4e00\u4e2a\u57fa\u4e8e Slint GUI \u6846\u67b6\u5b9e\u73b0\u7684\u52a8\u6001\u3001\u53ef\u4ea4\u4e92\u7684\u8f6e\u64ad\u7ec4\u4ef6\u3002\u5176\u5b9e\u73b0\u539f\u7406\u53ef\u4ee5\u5206\u89e3\u4e3a\u4ee5\u4e0b\u51e0\u4e2a\u5173\u952e\u90e8\u5206&#xff1a;<\/p>\n<h3>1\u3001\u6570\u636e\u6a21\u578b\u4e0e\u72b6\u6001\u7ba1\u7406<\/h3>\n<p>\u8f6e\u64ad\u7684\u6570\u636e\u6e90\u662f\u4e00\u4e2a ShowItem \u7ed3\u6784\u4f53\u6570\u7ec4&#xff0c;\u6bcf\u4e2a\u5143\u7d20\u5305\u542b\u7f16\u53f7 (number)\u3001\u8bf4\u660e (note) \u548c\u56fe\u7247 (image)\u3002\u5728 Rust \u540e\u7aef (main.rs) \u4e2d&#xff0c;\u8fd9\u4e2a\u6570\u7ec4\u88ab\u5305\u88c5\u8fdb VecModel&#xff0c;\u518d\u8f6c\u6362\u4e3a Slint \u7684 ModelRc \u7c7b\u578b&#xff0c;\u4ece\u800c\u5efa\u7acb\u8d77\u4e00\u4e2a\u53ef\u88ab\u524d\u7aef UI (main.slint) \u89c2\u5bdf\u548c\u7ed1\u5b9a\u7684\u54cd\u5e94\u5f0f\u6570\u636e\u6a21\u578b\u3002<\/p>\n<ul>\n<li>current-index: \u4e00\u4e2a\u6d6e\u70b9\u6570\u5c5e\u6027&#xff0c;\u8868\u793a\u5f53\u524d\u201c\u4e2d\u5fc3\u201d\u5361\u7247\u7684\u7d22\u5f15\u3002\u5b83\u9a71\u52a8\u7740\u6240\u6709\u5361\u7247\u7684\u4f4d\u7f6e\u3001\u5927\u5c0f\u548c\u900f\u660e\u5ea6\u8ba1\u7b97\u3002<\/li>\n<li>item-count: \u7ed1\u5b9a\u5230\u6570\u636e\u6a21\u578b\u957f\u5ea6&#xff0c;\u7528\u4e8e\u5404\u79cd\u8fb9\u754c\u8ba1\u7b97\u3002<\/li>\n<li>hover-detected: \u5e03\u5c14\u5c5e\u6027&#xff0c;\u7528\u4e8e\u68c0\u6d4b\u7528\u6237\u60ac\u505c&#xff0c;\u4ee5\u6682\u505c\u81ea\u52a8\u8f6e\u64ad\u3002<\/li>\n<\/ul>\n<h3>2\u3001 \u89c6\u89c9\u5e03\u5c40\u4e0e\u52a8\u753b<\/h3>\n<p>\u8f6e\u64ad\u7684\u89c6\u89c9\u6548\u679c\u901a\u8fc7 main.slint \u4e2d\u4e00\u4e2a for \u5faa\u73af\u52a8\u6001\u6e32\u67d3\u6240\u6709 CarouselCard \u7ec4\u4ef6\u6765\u5b9e\u73b0&#xff0c;\u800c\u975e\u4f20\u7edf\u7684\u53ea\u6e32\u67d3\u53ef\u89c1\u9879\u3002\u5176\u6838\u5fc3\u7b97\u6cd5\u5982\u4e0b&#xff1a;<\/p>\n<h4>\u4f4d\u7f6e\u4e0e\u5c42\u7ea7\u8ba1\u7b97<\/h4>\n<li>\u8ba1\u7b97\u539f\u59cb\u504f\u79fb (raw): idx &#8211; ci&#xff0c;\u5176\u4e2d ci \u662f current-index \u7684\u6574\u6570\u8fd1\u4f3c\u503c\u3002\u8fd9\u8868\u793a\u6bcf\u5f20\u5361\u7247\u76f8\u5bf9\u4e8e\u5f53\u524d\u4e2d\u5fc3\u7684\u6574\u6570\u4f4d\u7f6e\u5dee\u3002<\/li>\n<li>\u5f52\u4e00\u5316\u8303\u56f4 (norm): \u4e3a\u4e86\u4f7f\u8f6e\u64ad\u5728\u89c6\u89c9\u4e0a\u5448\u73b0\u201c\u5faa\u73af\u201d\u6548\u679c&#xff0c;\u5e76\u786e\u4fdd\u5728\u9879\u76ee\u6570\u91cf\u8f83\u5c11\u65f6\u4ecd\u80fd\u6b63\u786e\u5c45\u4e2d&#xff0c;\u7b97\u6cd5\u5b9a\u4e49\u4e86\u4e00\u4e2a\u5f52\u4e00\u5316\u8303\u56f4 [low, high]\u3002\u4efb\u4f55\u8d85\u51fa\u6b64\u8303\u56f4\u7684 raw \u503c\u4f1a\u88ab\u52a0\u4e0a\u6216\u51cf\u53bb item-count&#xff0c;\u5c06\u5176\u201c\u6298\u53e0\u201d\u56de\u8be5\u8303\u56f4\u5185\u3002\u8fd9\u4fdd\u8bc1\u4e86\u65e0\u8bba current-index \u5982\u4f55\u53d8\u5316&#xff0c;\u89c6\u89c9\u4e0a\u79bb\u4e2d\u5fc3\u6700\u8fd1\u7684\u5361\u7247\u5176 norm \u503c\u603b\u662f\u6700\u5c0f\u7684\u3002<\/li>\n<li>\u7edd\u5bf9\u8ddd\u79bb (abs-n): norm \u7684\u7edd\u5bf9\u503c&#xff0c;\u7528\u4e8e\u8ba1\u7b97\u7f29\u653e\u548c\u900f\u660e\u5ea6\u3002<\/li>\n<h4>\u89c6\u89c9\u53d8\u6362<\/h4>\n<ul>\n<li>\u7f29\u653e (sf): 1.0 &#8211; abs-n * 0.25\u3002\u8ddd\u79bb\u4e2d\u5fc3\u8d8a\u8fdc\u7684\u5361\u7247&#xff0c;\u7f29\u653e\u6bd4\u4f8b\u8d8a\u5c0f&#xff0c;\u8425\u9020\u51fa\u666f\u6df1\u6548\u679c\u3002<\/li>\n<li>\u900f\u660e\u5ea6 (opacity): \u6839\u636e abs-n \u5206\u6bb5\u8bbe\u7f6e&#xff0c;\u8ddd\u79bb\u4e2d\u5fc3\u8d8a\u8fdc&#xff0c;\u900f\u660e\u5ea6\u8d8a\u4f4e&#xff0c;\u76f4\u81f3\u5b8c\u5168\u6d88\u5931\u3002<\/li>\n<li>\u4f4d\u7f6e (x, y): \u5361\u7247\u6c34\u5e73\u4f4d\u7f6e\u7531 root.width \/ 2 &#043; norm * side-offset &#8211; cw \/ 2 \u8ba1\u7b97\u5f97\u51fa&#xff0c;\u4f7f\u5176\u6cbf\u6c34\u5e73\u7ebf\u5747\u5300\u5206\u5e03\u3002side-offset \u662f\u63a7\u5236\u5361\u7247\u95f4\u95f4\u8ddd\u7684\u5173\u952e\u53c2\u6570\u3002<\/li>\n<\/ul>\n<p>\u6240\u6709\u89c6\u89c9\u5c5e\u6027&#xff08;x, y, width, height, opacity&#xff09;\u90fd\u5e94\u7528\u4e86 400ms \u7684\u7f13\u52a8\u52a8\u753b&#xff0c;\u4f7f\u8f6e\u64ad\u5207\u6362\u8fc7\u7a0b\u5e73\u6ed1\u6d41\u7545\u3002<\/p>\n<h3>3\u3001\u7528\u6237\u4ea4\u4e92<\/h3>\n<ul>\n<li>\u624b\u52a8\u5bfc\u822a: \u901a\u8fc7\u5de6\u53f3\u7bad\u5934\u6309\u94ae&#xff08;left-arrow, right-arrow&#xff09;\u7684 TouchArea \u7ec4\u4ef6\u6355\u83b7\u70b9\u51fb\u4e8b\u4ef6&#xff0c;\u76f4\u63a5\u4fee\u6539 current-index \u5c5e\u6027\u3002<\/li>\n<li>\u9879\u76ee\u5220\u9664: \u6bcf\u4e2a CarouselCard \u4e0a\u7684\u201c\u6e05\u9664\u201d\u6309\u94ae\u7ed1\u5b9a\u4e86 clear-clicked \u56de\u8c03\u3002\u70b9\u51fb\u540e\u4f1a\u89e6\u53d1 reset-timer()&#xff08;\u91cd\u7f6e\u81ea\u52a8\u8f6e\u64ad\u8ba1\u65f6\u5668&#xff09;\u3001remove-item(idx)&#xff08;\u4ece\u6570\u636e\u6a21\u578b\u4e2d\u79fb\u9664\u8be5\u9879&#xff09;\u4ee5\u53ca clear-error(number)&#xff08;\u6267\u884c\u540e\u7aef\u4e1a\u52a1\u903b\u8f91&#xff09;\u3002<\/li>\n<li>\u60ac\u505c\u68c0\u6d4b: \u6574\u4e2a\u7a97\u53e3\u8986\u76d6\u4e86\u4e00\u4e2a\u900f\u660e\u7684 TouchArea (touch-area)&#xff0c;\u5176 has-hover \u72b6\u6001\u88ab\u7ed1\u5b9a\u5230 hover-detected \u5c5e\u6027\u3002\u5f53\u68c0\u6d4b\u5230\u60ac\u505c\u65f6&#xff0c;\u81ea\u52a8\u8f6e\u64ad\u4f1a\u6682\u505c\u3002<\/li>\n<\/ul>\n<h3>4\u3001\u81ea\u52a8\u8f6e\u64ad\u673a\u5236<\/h3>\n<p>\u81ea\u52a8\u8f6e\u64ad\u7531 Rust \u540e\u7aef\u7684 Timer \u9a71\u52a8 (main.rs \u4e2d\u7684 make_timer_callback \u51fd\u6570)&#xff1a;<\/p>\n<li>\u521b\u5efa\u4e00\u4e2a\u6bcf 3 \u79d2\u89e6\u53d1\u4e00\u6b21\u7684\u91cd\u590d\u8ba1\u65f6\u5668\u3002<\/li>\n<li>\u8ba1\u65f6\u5668\u56de\u8c03\u51fd\u6570\u4f1a\u68c0\u67e5 hover-detected \u72b6\u6001&#xff0c;\u5982\u679c\u4e3a\u771f&#xff08;\u7528\u6237\u6b63\u5728\u4ea4\u4e92&#xff09;&#xff0c;\u5219\u8df3\u8fc7\u672c\u6b21\u8f6e\u64ad\u3002<\/li>\n<li>\u5426\u5219&#xff0c;\u8ba1\u7b97\u4e0b\u4e00\u4e2a\u7d22\u5f15&#xff08;current-index &#043; 1&#xff0c;\u5230\u8fbe\u672b\u5c3e\u540e\u5f52\u96f6&#xff09;&#xff0c;\u5e76\u66f4\u65b0 current-index \u5c5e\u6027\u3002<\/li>\n<li>Slint \u7684\u5c5e\u6027\u7ed1\u5b9a\u7cfb\u7edf\u4f1a\u68c0\u6d4b\u5230 current-index \u7684\u53d8\u5316&#xff0c;\u81ea\u52a8\u89e6\u53d1\u524d\u7aef\u6240\u6709\u4f9d\u8d56\u6b64\u5c5e\u6027\u7684\u8ba1\u7b97\u548c\u52a8\u753b&#xff0c;\u4ece\u800c\u5b8c\u6210\u4e00\u6b21\u8f6e\u64ad\u8fc7\u6e21\u3002<\/li>\n<h3>5\u3001 \u7ec4\u4ef6\u5316\u4e0e\u6570\u636e\u7ed1\u5b9a<\/h3>\n<p>\u9879\u76ee\u91c7\u7528\u4e86\u6e05\u6670\u7684\u7ec4\u4ef6\u5316\u67b6\u6784&#xff1a;<\/p>\n<ul>\n<li>CarouselCard \u7ec4\u4ef6: \u5c01\u88c5\u4e86\u5355\u4e2a\u5361\u7247\u7684\u89c6\u89c9\u548c\u4ea4\u4e92\u903b\u8f91&#xff0c;\u901a\u8fc7 in property \u63a5\u6536\u6570\u636e&#xff0c;\u901a\u8fc7 callback \u5411\u4e0a\u4f20\u9012\u4e8b\u4ef6\u3002<\/li>\n<li>MainWindow \u6839\u7ec4\u4ef6: \u7ba1\u7406\u6570\u636e\u6a21\u578b (error-items)\u3001\u8f6e\u64ad\u72b6\u6001 (current-index) \u548c\u5168\u5c40\u4ea4\u4e92\u3002\u5b83\u901a\u8fc7 for \u5faa\u73af\u5c06\u6570\u636e\u6a21\u578b\u5b9e\u4f8b\u5316\u4e3a\u591a\u4e2a CarouselCard&#xff0c;\u5e76\u5904\u7406\u5b83\u4eec\u53d1\u51fa\u7684\u4e8b\u4ef6&#xff08;\u5982 remove-item&#xff09;\u3002<\/li>\n<li>\u6570\u636e\u7ed1\u5b9a: Slint \u7684\u58f0\u660e\u5f0f\u8bed\u6cd5\u4f7f\u5f97 UI \u5c5e\u6027&#xff08;\u5982\u5361\u7247\u4f4d\u7f6e\u3001\u5bfc\u822a\u70b9\u989c\u8272&#xff09;\u80fd\u591f\u76f4\u63a5\u7ed1\u5b9a\u5230 Rust \u540e\u7aef\u7684\u6570\u636e\u548c\u72b6\u6001\u4e0a&#xff0c;\u5b9e\u73b0\u4e86\u6570\u636e\u4e0e UI \u7684\u81ea\u52a8\u540c\u6b65\u3002<\/li>\n<\/ul>\n<h3>7\u3001\u603b\u7ed3<\/h3>\n<p>\u8be5\u8f6e\u64ad\u5b9e\u73b0\u5de7\u5999\u5730\u7ed3\u5408\u4e86 \u54cd\u5e94\u5f0f\u6570\u636e\u7ed1\u5b9a\u3001\u58f0\u660e\u5f0f UI \u5e03\u5c40 \u548c \u57fa\u4e8e\u7269\u7406\u7684\u52a8\u753b\u8ba1\u7b97&#xff0c;\u5728 Slint \u6846\u67b6\u4e0b\u6784\u5efa\u4e86\u4e00\u4e2a\u9ad8\u6027\u80fd\u3001\u6d41\u7545\u4e14\u4ea4\u4e92\u4e30\u5bcc\u7684\u52a8\u6001\u7ec4\u4ef6\u3002\u5176\u6838\u5fc3\u5728\u4e8e\u5229\u7528 current-index 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\u5b9e\u73b0\u52a8\u6001\u8f6e\u64ad\u56fe\u6e90\u7801\u5206\u4eab&#xff0c;\u652f\u6301\u52a8\u6001\u5220\u9664\u3001\u6dfb\u52a0\u4e00\u3001\u6548\u679c\u5c55\u793a\u4e8c\u3001\u6e90\u7801\u5206\u4eab1\u3001\u5de5\u7a0b\u7ed3\u67842\u3001main.rs3\u3001build.rs4\u3001main.slint5\u3001Cargo.toml6\u3001\u5b8c\u6574\u5de5\u7a0b\u4e0b\u8f7d\u4e09\u3001\u5b9e\u73b0\u539f\u74061\u3001\u6570\u636e\u6a21\u578b\u4e0e\u72b6\u6001\u7ba1\u74062\u3001 \u89c6\u89c9\u5e03\u5c40\u4e0e\u52a8\u753b\u4f4d\u7f6e\u4e0e\u5c42\u7ea7\u8ba1\u7b97\u89c6\u89c9\u53d8\u63623\u3001\u7528\u6237\u4ea4\u4e924\u3001\u81ea\u52a8\u8f6e\u64ad\u673a\u52365\u3001 \u7ec4\u4ef6\u5316\u4e0e\u6570\u636e\u7ed1\u5b9a7\u3001\u603b\u7ed3\u4e00\u3001\u6548\u679c\u5c55\u793a \u4e8c\u3001\u6e90\u7801\u5206\u4eab<br \/>\n1\u3001\u5de5\u7a0b\u7ed3\u6784 2\u3001main.rs<br \/>\nslint::include_modules!();use 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