{"id":102696,"date":"2021-12-21T21:36:58","date_gmt":"2021-12-21T19:37:01","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/dlya-os-haiku-predlozhen-sloj-sovmestimosti-s-xlib-x11"},"modified":"2021-12-21T21:36:58","modified_gmt":"2021-12-21T19:37:01","slug":"dlya-os-haiku-predlozhen-sloj-sovmestimosti-s-xlib-x11","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hu\/blog\/news\/dlya-os-haiku-predlozhen-sloj-sovmestimosti-s-xlib-x11","title":{"rendered":"A Haiku OS sz\u00e1m\u00e1ra Xlib\/X11 kompatibilit\u00e1si r\u00e9teg k\u00edn\u00e1lata.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

A ny\u00edlt forr\u00e1sk\u00f3d\u00fa Haiku oper\u00e1ci\u00f3s rendszer fejleszt\u0151i, akik a BeOS \u00f6tleteinek tov\u00e1bbfejleszt\u00e9s\u00e9n dolgoznak, elk\u00e9sz\u00edtett\u00e9k az Xlib k\u00f6nyvt\u00e1rral val\u00f3 kompatibilit\u00e1s biztos\u00edt\u00e1s\u00e1hoz sz\u00fcks\u00e9ges r\u00e9teg kezdeti megval\u00f3s\u00edt\u00e1s\u00e1t, lehet\u0151v\u00e9 t\u00e9ve X11-alkalmaz\u00e1sok futtat\u00e1s\u00e1t Haiku-ban X-szerver haszn\u00e1lata n\u00e9lk\u00fcl. A r\u00e9teg az Xlib funkci\u00f3inak emul\u00e1l\u00e1s\u00e1n kereszt\u00fcl val\u00f3sul meg, a Haiku magas szint\u0171 grafikus API-j\u00e1ba t\u00f6rt\u00e9n\u0151 h\u00edv\u00e1sok \u00e1tkonvert\u00e1l\u00e1s\u00e1val. <\/p>\n

A jelenlegi \u00e1llapot\u00e1ban a r\u00e9teg a leggyakrabban haszn\u00e1lt Xlib programoz\u00e1si interf\u00e9szek jelent\u0151s r\u00e9sz\u00e9t biztos\u00edtja, de egyes h\u00edv\u00e1sok m\u00e9g mindig helyettes\u00edtett\u00e9k stub-okkal. A r\u00e9teg lehet\u0151v\u00e9 teszi GTK-alap\u00fa alkalmaz\u00e1sok ford\u00edt\u00e1s\u00e1t \u00e9s futtat\u00e1s\u00e1t, de az ablakokban a komponensek elrendez\u00e9se m\u00e9g mindig finom\u00edt\u00e1sra szorul. A billenty\u0171zet \u00e9s az eg\u00e9rkattint\u00e1sok kezel\u00e9s\u00e9nek megval\u00f3s\u00edt\u00e1sa m\u00e9g nincs v\u00e9gleges\u00edtve (jelenleg csak az eg\u00e9rmozg\u00e1s esem\u00e9ny\u00e9nek kezel\u00e9se val\u00f3sult meg). <\/p>\n

A Qt k\u00f6nyvt\u00e1r t\u00e1mogat\u00e1sa a Haiku-ban kor\u00e1bban egy nat\u00edv Qt port l\u00e9trehoz\u00e1s\u00e1val val\u00f3sult meg, amely a Haiku API felett m\u0171k\u00f6dik. Azonban a GTK t\u00e1mogat\u00e1s\u00e1hoz az X11 emul\u00e1ci\u00f3s haszn\u00e1lata kedvez\u0151bb lehet\u0151s\u00e9g, mivel a GTK bels\u0151 m\u0171k\u00f6d\u00e9se nem olyan j\u00f3l \u00e1tgondolt, \u00e9s a Haiku-hoz k\u00fcl\u00f6n GTK h\u00e1tt\u00e9r l\u00e9trehoz\u00e1sa jelent\u0151s forr\u00e1st ig\u00e9nyel. Az X11 port l\u00e9trehoz\u00e1s\u00e1nak lehet\u0151s\u00e9ge is sz\u00f3ba ker\u00fclt,a szerver<\/a> de ez a megk\u00f6zel\u00edt\u00e9s nem t\u0171nt c\u00e9lszer\u0171nek, mivel az X11 API k\u00f6zvetlen\u00fcl megval\u00f3s\u00edthat\u00f3 a Haiku API-n. Az X11-et egy r\u00e9g\u00f3ta stabiliz\u00e1lt \u00e9s v\u00e1ltozatlan protokollk\u00e9nt v\u00e1lasztott\u00e1k, m\u00edg a Wayland-dal folytatott k\u00eds\u00e9rletek m\u00e9g folyamatban vannak, saj\u00e1t szerver megval\u00f3s\u00edt\u00e1s\u00e1nak l\u00e9trehoz\u00e1sa sz\u00fcks\u00e9ges, \u00e9s nem minden sz\u00fcks\u00e9ges protokoll-kiterjeszt\u00e9s ker\u00fclt v\u00e9glegesen j\u00f3v\u00e1hagy\u00e1sra.

\"A<\/center> <\/p>\n

A r\u00e9tegen kereszt\u00fcl futtatott egyszer\u0171bb Tcl\/Tk \u00e9s wxWidgets alkalmaz\u00e1sokn\u00e1l szint\u00e9n \u00e9szleltek m\u00e9g meg nem oldott probl\u00e9m\u00e1kat, de a megjelen\u00e9s m\u00e1r k\u00f6zelebb \u00e1ll a norm\u00e1lishoz:

\"A<\/center>
\"A<\/center>
\"A<\/center> <\/p>\n

Eml\u00e9keztet\u00fcnk, hogy a Haiku projektet 2001-ben hozt\u00e1k l\u00e9tre a BeOS oper\u00e1ci\u00f3s rendszer fejleszt\u00e9s\u00e9nek le\u00e1ll\u00edt\u00e1s\u00e1ra adott reakci\u00f3k\u00e9nt, \u00e9s OpenBeOS n\u00e9ven fejl\u0151d\u00f6tt, de 2004-ben \u00e1tnevezt\u00e9k, mivel a BeOS v\u00e9djegyhaszn\u00e1lat\u00e1val kapcsolatos k\u00f6vetel\u00e9sek mer\u00fcltek fel. A rendszer k\u00f6zvetlen\u00fcl a BeOS 5 technol\u00f3gi\u00e1kra \u00e9p\u00fcl, \u00e9s c\u00e9lja a BeOS alkalmaz\u00e1sokkal val\u00f3 bin\u00e1ris kompatibilit\u00e1s. A Haiku oper\u00e1ci\u00f3s rendszer nagy r\u00e9sz\u00e9nek forr\u00e1sk\u00f3dj\u00e1t MIT szabad licenc alatt terjesztik, kiv\u00e9ve n\u00e9h\u00e1ny k\u00f6nyvt\u00e1rat, m\u00e9dia-kodeket \u00e9s m\u00e1s projektekt\u0151l k\u00f6lcs\u00f6nz\u00f6tt \u00f6sszetev\u0151ket. <\/p>\n

A rendszer szem\u00e9lyi sz\u00e1m\u00edt\u00f3g\u00e9pekre van optimaliz\u00e1lva, saj\u00e1t mag alak\u00edtotta ki a hibrid architekt\u00far\u00e1ra \u00e9p\u00fcl\u0151 kernelt, amely a felhaszn\u00e1l\u00f3i m\u0171veletekre val\u00f3 gyors reakci\u00f3ra \u00e9s a t\u00f6bb sz\u00e1lon fut\u00f3 alkalmaz\u00e1sok hat\u00e9kony v\u00e9grehajt\u00e1s\u00e1ra lett optimaliz\u00e1lva. A f\u00e1jlrendszer OpenBFS, amely t\u00e1mogatja a f\u00e1jlok kiterjesztett attrib\u00fatumait, a napl\u00f3z\u00e1st, a 64 bites mutat\u00f3kat, a meta-c\u00edmk\u00e9k t\u00e1rol\u00e1s\u00e1t (minden f\u00e1jlhoz kulcs=\u00e9rt\u00e9k form\u00e1ban lehet attrib\u00fatumokat menteni, \u00edgy a f\u00e1jlrendszer hasonl\u00edt egy adatb\u00e1zishoz) \u00e9s speci\u00e1lis indexeket a lek\u00e9rdez\u00e9sek felgyors\u00edt\u00e1s\u00e1ra. A k\u00f6nyvt\u00e1rstrukt\u00far\u00e1k szervez\u00e9s\u00e9hez «B+ tree» f\u00e1kat haszn\u00e1lnak. A Haiku projekt a BeOS k\u00f3dj\u00e1b\u00f3l a Tracker f\u00e1jlkezel\u0151t \u00e9s a Deskbar panelt vette \u00e1t, amelyek forr\u00e1sk\u00f3dj\u00e1t a BeOS fejleszt\u00e9s\u00e9nek le\u00e1ll\u00edt\u00e1sa ut\u00e1n nyitott\u00e1k meg.
\n
Forr\u00e1s: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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