{"id":114950,"date":"2024-04-09T15:31:11","date_gmt":"2024-04-09T13:31:11","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/proekt-po-integraczii-s-qt-web-dvizhka-servo-razvivaemogo-na-yazyke-rust"},"modified":"2024-04-09T15:31:11","modified_gmt":"2024-04-09T13:31:11","slug":"proekt-po-integraczii-s-qt-web-dvizhka-servo-razvivaemogo-na-yazyke-rust","status":"publish","type":"post","link":"https:\/\/prohoster.info\/da\/blog\/news\/proekt-po-integraczii-s-qt-web-dvizhka-servo-razvivaemogo-na-yazyke-rust","title":{"rendered":"Projektet til integration med Qt web-motoren Servo, der udvikles p\u00e5 Rust-sprog","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>KDAB har annonceret udviklingen af komponenten Servo WebView til Qt, der bruger browser motoren Servo i stedet for Qt WebEngine modulen (baseret p\u00e5 Chromium) til visning af webindhold i QML-applikationer. Projektet forventes at reducere angrebsoverfladen p\u00e5 Qt-applikationer, der bruger WebView API, ved at anvende en komponent, hvor ulemperne for\u00e5rsaget af hukommelsesfejl er minimeret takket v\u00e6re sproget Rust. Koden for Servo WebView til Qt distribueres under MPL-2.0 licensen.         <\/p>\n<p>For at muligg\u00f8re drift af Servo-koden, skrevet i Rust, i et C++-milj\u00f8, anvendes CXX-Qt-laget. CXX-Qt g\u00f8r det muligt at skabe komponenter i Rust, der integreres med C++-programmer, der bruger Qt. Anvendelsen af CXX-Qt giver mulighed for at oprette underklasser af QObject i Rust, som kan bruges i C++, QML og JavaScript. Der er ogs\u00e5 mulighed for at oprette Rust-programmer, der kalder C++-kode, for hvilket der tilbydes Rust-wrapper over de typiske QtCore og QtGui klassetyper.      <\/p>\n<p>Servo-projektet blev oprindeligt udviklet af Mozilla, men overgik senere til Linux Foundation. Motoren adskiller sig ved at underst\u00f8tte multitr\u00e5det rendering af web-sider, parallelisering af operationer med DOM (Document Object Model) og anvendelse af de sikrede programmeringsmekanismer, der tilbydes af Rust. Ved oprettelsen kunne Firefox browser motoren ikke fuldt ud udnytte potentialet i moderne multicore systemer p\u00e5 grund af brugen af en-tr\u00e5det indholdsbehandling. Servo er oprindeligt skabt med st\u00f8tte til opdeling af DOM-kode og rendering i mindre delopgaver, der kan udf\u00f8res parallelt og mere effektivt udnytte ressourcerne i multicore CPU'er. Nogle dele af Servo, s\u00e5som den multitr\u00e5dede CSS-motor og WebRender rendering-systemet, er allerede integreret i Firefox.    <\/p>\n<p>Af n\u00e6rt besl\u00e6gtede projekter b\u00f8r ogs\u00e5 n\u00e6vnes Tauri-Servo-projektet, der udvikler backend til WRY-biblioteket baseret p\u00e5 Servo-motoren, hvilket muligg\u00f8r brugen af Servo i applikationer baseret p\u00e5 Tauri-rammev\u00e6rket (en konkurrent til Electron-platformen til oprettelse af brugerdefinerede applikationer med browserteknologier).<br \/>\n<br \/>Kilde: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=60961\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f KDAB \u043e\u0431\u044a\u044f\u0432\u0438\u043b\u0430 \u043e \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0435 \u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442\u0430 Servo WebView \u0434\u043b\u044f Qt, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044e\u0449\u0435\u0433\u043e \u0431\u0440\u0430\u0443\u0437\u0435\u0440\u043d\u044b\u0439 \u0434\u0432\u0438\u0436\u043e\u043a Servo \u0432\u043c\u0435\u0441\u0442\u043e \u043c\u043e\u0434\u0443\u043b\u044f Qt WebEngine (\u043d\u0430 \u0431\u0430\u0437\u0435 Chromium) \u0434\u043b\u044f \u043e\u0442\u043e\u0431\u0440\u0430\u0436\u0435\u043d\u0438\u044f web-\u043a\u043e\u043d\u0442\u0435\u043d\u0442\u0430 \u0432 QML-\u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u044f\u0445. \u041f\u0440\u0435\u0434\u043f\u043e\u043b\u0430\u0433\u0430\u0435\u0442\u0441\u044f, \u0447\u0442\u043e \u043f\u0440\u043e\u0435\u043a\u0442 \u043f\u043e\u043c\u043e\u0436\u0435\u0442 \u0441\u043e\u043a\u0440\u0430\u0442\u0438\u0442\u044c \u043f\u043e\u0432\u0435\u0440\u0445\u043d\u043e\u0441\u0442\u044c \u0430\u0442\u0430\u043a \u043d\u0430 Qt-\u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u044f, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044e\u0449\u0438\u0435 API WebView, \u0437\u0430 \u0441\u0447\u0451\u0442 \u043f\u0440\u0438\u043c\u0435\u043d\u0435\u043d\u0438\u044f \u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442\u0430, \u0432 \u043a\u043e\u0442\u043e\u0440\u043e\u043c \u0431\u043b\u0430\u0433\u043e\u0434\u0430\u0440\u044f \u044f\u0437\u044b\u043a\u0443 Rust \u043c\u0438\u043d\u0438\u043c\u0438\u0437\u0438\u0440\u043e\u0432\u0430\u043d\u043e \u0432\u043e\u0437\u043d\u0438\u043a\u043d\u043e\u0432\u0435\u043d\u0438\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439, \u0432\u044b\u0437\u0432\u0430\u043d\u043d\u044b\u0445 \u043e\u0448\u0438\u0431\u043a\u0430\u043c\u0438 \u043f\u0440\u0438 \u0440\u0430\u0431\u043e\u0442\u0435 \u0441 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-114950","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f KDAB \u043e\u0431\u044a\u044f\u0432\u0438\u043b\u0430 \u043e \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0435 \u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442\u0430 Servo WebView \u0434\u043b\u044f Qt, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044e\u0449\u0435\u0433\u043e \u0431\u0440\u0430\u0443\u0437\u0435\u0440\u043d\u044b\u0439 \u0434\u0432\u0438\u0436\u043e\u043a Servo \u0432\u043c\u0435\u0441\u0442\u043e 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