{"id":95412,"date":"2020-09-29T01:42:22","date_gmt":"2020-09-28T23:42:22","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/netbsd-pereshyol-na-okonnyj-menedzher-ctwm-po-umolchaniyu-i-eksperimentiruet-s-wayland"},"modified":"2020-09-29T01:42:22","modified_gmt":"2020-09-28T23:42:22","slug":"netbsd-pereshyol-na-okonnyj-menedzher-ctwm-po-umolchaniyu-i-eksperimentiruet-s-wayland","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sk\/blog\/news\/netbsd-pereshyol-na-okonnyj-menedzher-ctwm-po-umolchaniyu-i-eksperimentiruet-s-wayland","title":{"rendered":"NetBSD pre\u0161iel na spr\u00e1vcu okien CTWM ako predvolen\u00fd a experimentuje s Wayland","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Projekt NetBSD vyhl\u00e1sil<\/a><\/noindex> o zmene predvolen\u00e9ho spr\u00e1vcu okien v rel\u00e1cii X11 s twm<\/a><\/noindex> na CTWM<\/a><\/noindex>. CTWM je fork twm, ktor\u00fd vznikol v roku 1992 a rozv\u00edjal sa v smere vytv\u00e1rania \u013eahk\u00e9ho a plne prisp\u00f4sobite\u013en\u00e9ho spr\u00e1vcu okien, ktor\u00fd umo\u017e\u0148uje zmeni\u0165 vzh\u013ead a spr\u00e1vanie pod\u013ea vlastn\u00e9ho uv\u00e1\u017eenia.<\/p>\n

Spr\u00e1vca okien twm bol pon\u00fakan\u00fd v NetBSD posledn\u00fdch 20 rokov a v s\u00fa\u010dasn\u00fdch podmienkach sa javil ako archaick\u00fd. Negat\u00edvna reakcia \u013eud\u00ed na predvolen\u00fd twm prin\u00fatila v\u00fdvoj\u00e1rov prehodnoti\u0165 predvolen\u00fa prostredie a prija\u0165 funk\u010dnej\u0161\u00ed spr\u00e1vca okien CTWM na vytvorenie prostredia priate\u013esk\u00e9ho k pou\u017e\u00edvate\u013eom, ktor\u00ed maj\u00fa sk\u00fasenosti s in\u00fdmi opera\u010dn\u00fdmi syst\u00e9mami. <\/p>\n

CTWM podporuje virtu\u00e1lne pracovn\u00e9 plochy, akt\u00edvne sa vyv\u00edja a je dod\u00e1van\u00fd pod licenciou kompatibilnou s NetBSD. Medzi nov\u00e9 funkcie implementovan\u00e9 na b\u00e1ze CTWM patr\u00ed automaticky generovan\u00e9 menu aplik\u00e1ci\u00ed, u\u017eito\u010dn\u00e9 kl\u00e1vesov\u00e9 skratky pre pln\u00fa spr\u00e1vu bez my\u0161i, prisp\u00f4sobenie na pr\u00e1cu s r\u00f4znymi rozl\u00ed\u0161eniami obrazovky (vr\u00e1tane HiDPI po pridan\u00ed ve\u013ek\u00fdch p\u00edsiem), a mo\u017enos\u0165 podpory ako ve\u013emi pomal\u00fdch, tak aj ve\u013emi r\u00fdchlych syst\u00e9mov pomocou jedn\u00e9ho konfigura\u010dn\u00e9ho s\u00faboru. <\/p>\n

Bolo:
\n

\"NetBSD<\/a><\/noindex><\/center><\/p>\n

Stalo sa:
\n

\"NetBSD<\/a><\/noindex><\/center><\/p>\n

\u010eal\u0161ie bola publikovan\u00e1<\/a><\/noindex> pozn\u00e1mka o stave projektu zabezpe\u010duj\u00faceho funk\u010dnos\u0165 kompozitn\u00e9ho servera v NetBSD swc<\/a><\/noindex> na b\u00e1ze protokolu Wayland. Port zatia\u013e nie je pripraven\u00fd na be\u017en\u00e9 pou\u017e\u00edvanie, ale u\u017e je vhodn\u00fd na experimentovanie a sp\u00fa\u0161\u0165anie aplik\u00e1ci\u00ed, ktor\u00e9 pou\u017e\u00edvaj\u00fa Qt5, GTK3 alebo SDL2. Medzi probl\u00e9mami sa uv\u00e1dza nekompatibilita s niektor\u00fdmi aplik\u00e1ciami, vr\u00e1tane Firefoxu, absencia podpory pre sp\u00fa\u0161\u0165anie aplik\u00e1ci\u00ed X11 a mo\u017enos\u0165 pr\u00e1ce iba s GPU Intel, pre ktor\u00e9 existuje ovl\u00e1da\u010d na prep\u00ednanie video re\u017eimov na \u00farovni jadra.<\/p>\n

Medzi charakteristiky Wayland, ktor\u00e9 s\u0165a\u017euj\u00fa portovanie do NetBSD, patr\u00ed pr\u00edtomnos\u0165 ve\u013ek\u00e9ho mno\u017estva OS-\u0161pecifick\u00e9ho k\u00f3du v kompozi\u010dn\u00fdch mana\u017e\u00e9roch zodpovedaj\u00facich za spr\u00e1vu obrazovky, vstupu a spr\u00e1vy okien. Wayland neposkytuje hotov\u00e9 protokoly pre tak\u00e9 mo\u017enosti, ako je vytv\u00e1ranie sn\u00edmok obrazovky, blokovanie obrazovky a spr\u00e1va okien, a zatia\u013e zaost\u00e1va za X-serverom v tak\u00fdch oblastiach ako prenosnos\u0165, modularita a \u0161tandardiz\u00e1cia.<\/p>\n

Dodato\u010dn\u00e9 mo\u017enosti sa realizuj\u00fa prostredn\u00edctvom kompozitn\u00e9ho spr\u00e1vcu alebo definovan\u00edm roz\u0161\u00edren\u00ed pre protokoly. Referen\u010dn\u00fd kompozitn\u00fd server Weston je silne z\u00e1visl\u00fd na API jadra Linux. Napr\u00edklad v\u00e4zba na mechanizmus multiplexovania vstupu-v\u00fdstupu epoll si vy\u017eaduje \u00fapravy na podporu kqueue. Opravy na pou\u017eitie kqueue u\u017e pripravili v\u00fdvoj\u00e1ri syst\u00e9mov BSD, ale zatia\u013e neboli prijat\u00e9 do hlavn\u00e9ho zlo\u017eenia. <\/p>\n

K\u00f3d etal\u00f3nneho kompozitn\u00e9ho servera bol p\u00f4vodne nap\u00edsan\u00fd s oh\u013eadom len na Linux a nezoh\u013ead\u0148uje \u0161pecifik\u00e1 in\u00fdch syst\u00e9mov (napr\u00edklad v k\u00f3de sa pou\u017e\u00edva «#include <linux\/input.h>» a z\u00e1vislos\u0165 od libinput). Vo FreeBSD bol implementovan\u00fd klon API vstupu Linux, ale v NetBSD sa pou\u017e\u00edva principi\u00e1lne odli\u0161n\u00fd API na spr\u00e1vu vstupu — wscons. V s\u00fa\u010dasnosti bola podpora wscons u\u017e pridan\u00e1 do swc a je napl\u00e1novan\u00e1 na prenesenie do in\u00fdch kompozitn\u00fdch spr\u00e1vcov. <\/p>\n

Z\u00e1stupcovia NetBSD sa sna\u017eia presved\u010di\u0165 v\u00fdvoj\u00e1rov Wayland, aby nepou\u017e\u00edvali tvrd\u00fa v\u00e4zbu na epoll, ale pre\u0161li na univerz\u00e1lnu vrstvu, ako je libevent. Medzi pl\u00e1novan\u00fdmi pr\u00e1cami sa tie\u017e uv\u00e1dza aktualiz\u00e1cia DRM\/KMS z\u00e1sobn\u00edka jadra NetBSD a grafick\u00fdch ovl\u00e1da\u010dov, vr\u00e1tane portovania k\u00f3du z jadra Linux, ako aj pridanie podpory pre atomick\u00e9 prep\u00ednanie video re\u017eimov, nov\u00e9 verzie DRM a API Glamor (na sp\u00fa\u0161\u0165anie aplik\u00e1ci\u00ed X11 pod spr\u00e1vou xwayland). Do kompozitn\u00e9ho servera zalo\u017een\u00e9ho na Wayland sa pl\u00e1nuje prida\u0165 podpora pre framebufferi.<\/p>\n

\"NetBSD<\/a><\/noindex><\/center><\/p>\n

<\/a><\/noindex><\/p>\n

Zdroj: opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u041f\u0440\u043e\u0435\u043a\u0442 NetBSD \u043e\u0431\u044a\u044f\u0432\u0438\u043b \u043e \u0441\u043c\u0435\u043d\u0435 \u043f\u0440\u0435\u0434\u043b\u0430\u0433\u0430\u0435\u043c\u043e\u0433\u043e \u043f\u043e \u0443\u043c\u043e\u043b\u0447\u0430\u043d\u0438\u044e \u0432 \u0441\u0435\u0430\u043d\u0441\u0435 X11 \u043e\u043a\u043e\u043d\u043d\u043e\u0433\u043e \u043c\u0435\u043d\u0435\u0434\u0436\u0435\u0440\u0430 \u0441 twm \u043d\u0430 CTWM. 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\u043f\u043e\u0432\u0435\u0434\u0435\u043d\u0438\u0435 \u043d\u0430 \u0441\u0432\u043e\u0439 \u0432\u043a\u0443\u0441. \u041e\u043a\u043e\u043d\u043d\u044b\u0439 \u043c\u0435\u043d\u0435\u0434\u0436\u0435\u0440 twm \u043f\u0440\u0435\u0434\u043b\u0430\u0433\u0430\u043b\u0441\u044f \u0432 NetBSD \u043f\u043e\u0441\u043b\u0435\u0434\u043d\u0438\u0435 20 \u043b\u0435\u0442 \u0438 \u0432 […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":95413,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-95412","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47NetBSD 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