{"id":88194,"date":"2020-07-13T13:42:17","date_gmt":"2020-07-13T11:42:17","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/osnovan-xfce-classic-fork-xfce-bez-dekorirovaniya-okon-na-storone-klienta"},"modified":"2020-07-13T13:42:17","modified_gmt":"2020-07-13T11:42:17","slug":"osnovan-xfce-classic-fork-xfce-bez-dekorirovaniya-okon-na-storone-klienta","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sk\/blog\/news\/osnovan-xfce-classic-fork-xfce-bez-dekorirovaniya-okon-na-storone-klienta","title":{"rendered":"Xfce Classic, fork Xfce bez dekorovania okien na strane klienta bolo zalo\u017een\u00e9","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Shawn Anastasi (Shawn Anastasio<\/a><\/noindex>), nad\u0161enec vo\u013en\u00e9ho softv\u00e9ru, ktor\u00fd v minulosti vyvinul vlastn\u00fd opera\u010dn\u00fd syst\u00e9m ShawnOS<\/a><\/noindex> a venoval sa portovaniu Chromium a Qubes OS na architekt\u00faru ppc64le, zalo\u017eil<\/a><\/noindex> projekt Xfce Classic<\/a><\/noindex>, v r\u00e1mci ktor\u00e9ho pl\u00e1nuje rozv\u00edja\u0165 forky komponentov pou\u017e\u00edvate\u013esk\u00e9ho prostredia Xfce, ktor\u00e9 funguj\u00fa bez dekorovania okien na strane klienta (CSD, client-side decorations), pri ktorom je hlavi\u010dka a r\u00e1m okna vykreslen\u00fd nie spr\u00e1vcom okien, ale samotnou aplik\u00e1ciou. <\/p>\n

Pripome\u0148me, \u017ee pri pr\u00edprave nasleduj\u00faceho vydania Xfce 4.16, ktor\u00e9ho vydanie o\u010dak\u00e1va sa<\/a><\/noindex> bude v okt\u00f3bri alebo novembri, do\u0161lo k prekladu rozhrania na widget GtkHeaderBar a aplik\u00e1cii CSD, \u010do umo\u017enilo dosiahnu\u0165 podobne ako v GNOME umiestnenie menu, tla\u010didiel a in\u00fdch prvkov rozhrania v hlavi\u010dke okna, ako aj zabezpe\u010di\u0165 skrytie r\u00e1mcov v dial\u00f3gov\u00fdch okn\u00e1ch. Nov\u00fd mechanizmus vykreslovania rozhrania je integrovan\u00fd v kni\u017enici libxfce4ui, \u010do viedlo k automatick\u00e9mu uplatneniu CSD pre takmer v\u0161etky dial\u00f3gov\u00e9 okn\u00e1, bez potreby vykon\u00e1va\u0165 zmeny v k\u00f3de existuj\u00facich projektov. <\/p>\n

Pri prechode na CSD sa na\u0161li<\/a><\/noindex> protihr\u00e1\u010di<\/a><\/noindex>, ktor\u00ed tvrdia, \u017ee podpora CSD by mala by\u0165 volite\u013en\u00e1 a pou\u017e\u00edvate\u013e by mal ma\u0165 mo\u017enos\u0165 pokra\u010dova\u0165 v pou\u017e\u00edvan\u00ed klasick\u00fdch hlavi\u010diek okien. Medzi nev\u00fdhody aplik\u00e1cie CSD sa uv\u00e1dza pr\u00edli\u0161 objemn\u00e1 oblas\u0165 hlavi\u010dky okna, absencia potreby premiest\u0148ova\u0165 prvky aplik\u00e1cie do hlavi\u010dky okna, nefunk\u010dnos\u0165 t\u00e9m Xfwm4 a nejednotnos\u0165 v vzh\u013eade okien aplik\u00e1ci\u00ed Xfce\/GNOME a programov, ktor\u00e9 nepou\u017e\u00edvaj\u00fa CSD. Uv\u00e1dza sa, \u017ee jednou z pr\u00ed\u010din odmietania rozhrania GNOME niektor\u00fdmi pou\u017e\u00edvate\u013emi je aplik\u00e1cia CSD.<\/p>\n

Ke\u010f\u017ee za 5 mesiacov neboli podniknut\u00e9 \u017eiadne pokusy poskytn\u00fa\u0165 podporu na vypnutie CSD, Shawn Anastasi rozhodol<\/a><\/noindex> prevzia\u0165 tento probl\u00e9m do svojich r\u00fak a vytvoril fork kni\u017enice libxfce4ui<\/a><\/noindex>, v ktorom bola vykonan\u00e1 \u00faprava v\u00e4zby na CSD a bol vr\u00e1ten\u00fd star\u00fd re\u017eim dekorovania na strane servera (okenn\u00e9ho spr\u00e1vcu). Na zabezpe\u010denie kompatibility s aplik\u00e1ciami vyu\u017e\u00edvaj\u00facimi nov\u00e9 API libxfce4ui a zachovanie ABI boli pripraven\u00e9 \u0161peci\u00e1lne obvody, ktor\u00e9 prekladaj\u00fa \u0161pecifick\u00e9 CSD-met\u00f3dy triedy XfceTitledDialog na v\u00fdzvy triedy GtkDialog. V\u00fdsledkom je mo\u017enos\u0165 zbavi\u0165 aplik\u00e1cie Xfce CSD nahraden\u00edm kni\u017enice libxfce4ui bez zmeny k\u00f3du samotn\u00fdch aplik\u00e1ci\u00ed.<\/p>\n

\u010ealej bol vytvoren\u00fd fork panela xfce4-panel<\/a><\/noindex>, ktor\u00fd obsahuje zmeny na obnovenie klasick\u00e9ho spr\u00e1vania. Pre pou\u017e\u00edvate\u013eov Gentoo bol pripraven\u00fd overlay<\/a><\/noindex> na in\u0161tal\u00e1ciu libxfce4ui-nocsd. Pre pou\u017e\u00edvate\u013eov Xubuntu\/Ubuntu bol pripraven\u00fd PPA-repozit\u00e1r<\/a><\/noindex> s pripraven\u00fdmi bal\u00edkmi. Mot\u00edvy vytvorenia forku \u0160on Anastasi vysvetlil t\u00fdm, \u017ee u\u017e mnoho rokov pou\u017e\u00edva Xfce a p\u00e1\u010di sa mu prostredie tohto rozhrania. Po prijat\u00ed rozhodnutia o zmene u\u017e\u00edvate\u013esk\u00e9ho rozhrania, s ktor\u00fdm nes\u00fahlasil, a absencii sn\u00e1h poskytn\u00fa\u0165 mo\u017enos\u0165 vr\u00e1ti\u0165 star\u00e9 spr\u00e1vanie, sa rozhodol s\u00e1m vyrie\u0161i\u0165 svoj probl\u00e9m a zdie\u013ea\u0165 rie\u0161enie s \u010fal\u0161\u00edmi, ktor\u00ed zdie\u013eaj\u00fa jeho n\u00e1zor.<\/p>\n

Z probl\u00e9mov pri pou\u017e\u00edvan\u00ed Xfce Classic sa uv\u00e1dza vznik pocitu duplik\u00e1cie hlavi\u010diek z d\u00f4vodu zobrazovania opakuj\u00facich sa inform\u00e1ci\u00ed v hlavi\u010dke a v okne aplik\u00e1cie. T\u00e1to vlastnos\u0165 zodpoved\u00e1 spr\u00e1vaniu Xfce 4.12 a 4.14 a nie je spojen\u00e1 s CSD. V niektor\u00fdch aplik\u00e1ci\u00e1ch tak\u00e1to duplicita vyzer\u00e1 norm\u00e1lne (napr\u00edklad v xfce4-screenshooter), ale v in\u00fdch je o\u010dividne nevhodn\u00e1. Na vyrie\u0161enie tohto probl\u00e9mu sa nevylu\u010duje prida\u0165 premenn\u00fa prostredia, ktor\u00e1 reguluje vykres\u013eovanie XfceHeading.<\/p>\n

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

Postoj podporovate\u013eov CSD spo\u010d\u00edva v mo\u017enosti vyu\u017ei\u0165 zbyto\u010dn\u00fd priestor hlavi\u010dky okna na umiestnenie menu, tla\u010didiel panela a in\u00fdch v\u00fdznamn\u00fdch prvkov rozhrania. Odporn\u00edci CSD sa domnievaj\u00fa, \u017ee tento pr\u00edstup sp\u00f4sobuje probl\u00e9my s unifik\u00e1ciou vzh\u013eadu okien, najm\u00e4 t\u00fdch, ktor\u00e9 s\u00fa nap\u00edsan\u00e9 pre r\u00f4zne u\u017e\u00edvate\u013esk\u00e9 prostredia, ur\u010duj\u00face r\u00f4zne odpor\u00fa\u010dania pre rozlo\u017eenie hlavi\u010dkovej oblasti. Vzh\u013ead okien v\u0161etk\u00fdch aplik\u00e1ci\u00ed je ove\u013ea jednoduch\u0161ie zladi\u0165 do jednotn\u00e9ho \u0161t\u00fdlu pri klasickom vykres\u013eovan\u00ed slu\u017eobn\u00fdch oblast\u00ed okna na strane servera. Pri pou\u017eit\u00ed CSD je potrebn\u00e9 samostatne prisp\u00f4sobi\u0165 rozhranie aplik\u00e1cie ka\u017ed\u00e9mu grafick\u00e9mu prostrediu a je dos\u0165 \u0165a\u017ek\u00e9 dosiahnu\u0165, aby aplik\u00e1cia nevyzerala cudzopassne v r\u00f4znych u\u017e\u00edvate\u013esk\u00fdch prostrediach.<\/p>\n

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

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

\u0428\u043e\u043d \u0410\u043d\u0430\u0441\u0442\u0430\u0441\u0438 (Shawn Anastasio), \u044d\u043d\u0442\u0443\u0437\u0438\u0430\u0441\u0442 \u0441\u0432\u043e\u0431\u043e\u0434\u043d\u043e\u0433\u043e \u041f\u041e, \u0432 \u0441\u0432\u043e\u0451 \u0432\u0440\u0435\u043c\u044f \u0440\u0430\u0437\u0440\u0430\u0431\u0430\u0442\u044b\u0432\u0430\u0432\u0448\u0438\u0439 \u0441\u043e\u0431\u0441\u0442\u0432\u0435\u043d\u043d\u0443\u044e \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u0443\u044e \u0441\u0438\u0441\u0442\u0435\u043c\u0443 ShawnOS \u0438 \u0437\u0430\u043d\u0438\u043c\u0430\u0432\u0448\u0438\u0439\u0441\u044f \u043f\u043e\u0440\u0442\u0438\u0440\u043e\u0432\u043d\u0438\u0435\u043c Chromium \u0438 Qubes OS \u043d\u0430 \u0430\u0440\u0445\u0438\u0442\u0435\u043a\u0442\u0443\u0440\u0443 ppc64le, \u043e\u0441\u043d\u043e\u0432\u0430\u043b \u043f\u0440\u043e\u0435\u043a\u0442 Xfce Classic, \u0432 \u0440\u0430\u043c\u043a\u0430\u0445 \u043a\u043e\u0442\u043e\u0440\u043e\u0433\u043e \u043d\u0430\u043c\u0435\u0440\u0435\u043d \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u0442\u044c \u0444\u043e\u0440\u043a\u0438 \u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442\u043e\u0432 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044c\u0441\u043a\u043e\u0433\u043e \u043e\u043a\u0440\u0443\u0436\u0435\u043d\u0438\u044f Xfce, \u0440\u0430\u0431\u043e\u0442\u0430\u044e\u0449\u0438\u0435 \u0431\u0435\u0437 \u043f\u0440\u0438\u043c\u0435\u043d\u0435\u043d\u0438\u044f \u0434\u0435\u043a\u043e\u0440\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u043e\u043a\u043e\u043d \u043d\u0430 \u0441\u0442\u043e\u0440\u043e\u043d\u0435 \u043a\u043b\u0438\u0435\u043d\u0442\u0430 (CSD, client-side decorations), \u043f\u0440\u0438 \u043a\u043e\u0442\u043e\u0440\u043e\u043c \u0437\u0430\u0433\u043e\u043b\u043e\u0432\u043e\u043a \u0438 \u0440\u0430\u043c\u043a\u0438 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