{"id":2074,"date":"2022-10-04T20:12:55","date_gmt":"2022-10-04T20:12:55","guid":{"rendered":"http:\/\/www.goncalo.pt\/por\/?p=2074"},"modified":"2023-10-07T02:55:31","modified_gmt":"2023-10-07T02:55:31","slug":"2022-10-04-o-comeco-da-minha-propria-libraria-de-gui-multi-plataforma-em-c","status":"publish","type":"post","link":"https:\/\/www.goncalo.pt\/por\/2022\/10\/04\/2022-10-04-o-comeco-da-minha-propria-libraria-de-gui-multi-plataforma-em-c\/","title":{"rendered":"2022-10-04 &#8211; O come\u00e7o da minha pr\u00f3pria libraria de GUI multi-plataforma, em C++&#8230;"},"content":{"rendered":"\n<p>Aqui est\u00e1 o come\u00e7o da minha pr\u00f3pria GUI, feita do zero em C++.<\/p>\n\n\n\n<p>Ep\u00e1, parece outra coisa, mas \u00e9 um c\u00e3o com 4 patas no ch\u00e3o, tentei disfar\u00e7ar mas deu nisto, era dif\u00edcil desenhar pois era um simples teste de desenhar pontos onde tenho o rato:<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"http:\/\/www.goncalo.pt\/por\/wp-content\/uploads\/2022\/10\/2022-10-04-The-beginning-of-my-own-GUI-library-created-using-Cpp-1024x576.png\" alt=\"2022-10-04 - O come\u00e7o da minha pr\u00f3pria libraria de GUI multi-plataforma, em C++...\" class=\"wp-image-2075\" srcset=\"https:\/\/www.goncalo.pt\/por\/wp-content\/uploads\/2022\/10\/2022-10-04-The-beginning-of-my-own-GUI-library-created-using-Cpp-1024x576.png?v=1664916172 1024w, https:\/\/www.goncalo.pt\/por\/wp-content\/uploads\/2022\/10\/2022-10-04-The-beginning-of-my-own-GUI-library-created-using-Cpp-300x169.png?v=1664916172 300w, https:\/\/www.goncalo.pt\/por\/wp-content\/uploads\/2022\/10\/2022-10-04-The-beginning-of-my-own-GUI-library-created-using-Cpp-768x432.png?v=1664916172 768w, https:\/\/www.goncalo.pt\/por\/wp-content\/uploads\/2022\/10\/2022-10-04-The-beginning-of-my-own-GUI-library-created-using-Cpp-1536x864.png?v=1664916172 1536w, https:\/\/www.goncalo.pt\/por\/wp-content\/uploads\/2022\/10\/2022-10-04-The-beginning-of-my-own-GUI-library-created-using-Cpp.png?v=1664916172 1920w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption>2022-10-04 &#8211; O come\u00e7o da minha pr\u00f3pria libraria de GUI multi-plataforma, em C++&#8230;<\/figcaption><\/figure>\n\n\n\n<p>No Windows, temos o pr\u00f3prio sistema de janelas do Windows, no Linux normalmente usa-se o Qt, WTK, nana, wxWidgets, etc.<\/p>\n\n\n\n<p>Mas eu pergunto-me: porque raios vou usar uma libraria de GUI criada por outros se posso criar a minha?<\/p>\n\n\n\n<p>Nas dos outros tenho de aprender como funcionam, etc, e eu n\u00e3o preciso de ningu\u00e9m nos computadores, literalmente, fa\u00e7o tudo o que me apetecer, por isso porque n\u00e3o crio a minha? \ud83d\ude1b<\/p>\n\n\n\n<p>Por isso decidi criar a minha pr\u00f3pria libraria de GUI, para eu criar janelas, menus, etc.<\/p>\n\n\n\n<p>Ela criar\u00e1 os menus, status bars, op\u00e7\u00f5es, paineis, e at\u00e9 controlos posteriormente, tudo do zero, p\u00edxel a p\u00edxel, \u00e0 pata, sem usar nada do sistema.<\/p>\n\n\n\n<p>Desta forma, funcionar\u00e1 em qualquer plataforma onde a use.<\/p>\n\n\n\n<p>Crio uma vez, depois uso em todo o lado, Windows, Linux, MacOS, sempre com aspecto igual.<\/p>\n\n\n\n<p>E notem que usei as scanlines que uso no Game Engine. \ud83d\ude42<\/p>\n\n\n\n<p>Est\u00e1 aqui uma imagem que fiz j\u00e1 no dia 2022-10-11 na brincadeira:<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"http:\/\/www.goncalo.pt\/por\/wp-content\/uploads\/2022\/10\/2022-10-11-The-Drawing-board-on-my-self-made-GUI-being-tested-1-1024x576.png\" alt=\"\" class=\"wp-image-2089\" srcset=\"https:\/\/www.goncalo.pt\/por\/wp-content\/uploads\/2022\/10\/2022-10-11-The-Drawing-board-on-my-self-made-GUI-being-tested-1-1024x576.png?v=1665520653 1024w, https:\/\/www.goncalo.pt\/por\/wp-content\/uploads\/2022\/10\/2022-10-11-The-Drawing-board-on-my-self-made-GUI-being-tested-1-300x169.png?v=1665520653 300w, https:\/\/www.goncalo.pt\/por\/wp-content\/uploads\/2022\/10\/2022-10-11-The-Drawing-board-on-my-self-made-GUI-being-tested-1-768x432.png?v=1665520653 768w, https:\/\/www.goncalo.pt\/por\/wp-content\/uploads\/2022\/10\/2022-10-11-The-Drawing-board-on-my-self-made-GUI-being-tested-1-1536x864.png?v=1665520653 1536w, https:\/\/www.goncalo.pt\/por\/wp-content\/uploads\/2022\/10\/2022-10-11-The-Drawing-board-on-my-self-made-GUI-being-tested-1.png?v=1665520653 1920w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>Ela ser\u00e1 usada nos meus trading systems, como no meu software de an\u00e1lise t\u00e9cnica:<\/p>\n\n\n\n<figure class=\"wp-block-video\"><video controls src=\"http:\/\/www.goncalo.pt\/por\/wp-content\/uploads\/2022\/04\/2022-04-11-Last-adjustments-to-my-pixel-drawn-charts-on-my-Technical-Analysis-Software-in-Cpp.mp4\"><\/video><\/figure>\n\n\n\n<p>Nos meus simuladores de F\u00edsica:<\/p>\n\n\n\n<figure class=\"wp-block-video\"><video controls src=\"http:\/\/www.goncalo.pt\/por\/wp-content\/uploads\/2022\/05\/2022-05-26-Galaxies-Dance-And-Fusion-16-Million-Stars-Video.mp4\"><\/video><\/figure>\n\n\n\n<p>Nos meus trading systems&#8217; backtesters:<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"http:\/\/www.goncalo.pt\/por\/wp-content\/uploads\/2021\/02\/2021-02-17-Making-sure-the-Trading-Systems-Back-Tester-doesnt-look-at-the-Future-with-C-Cpp-1024x576.png\" alt=\"2021-02-17 - Garantindo que o Back-Tester n\u00e3o olha para o futuro dos dados, em C\/C++...\" class=\"wp-image-579\" srcset=\"https:\/\/www.goncalo.pt\/por\/wp-content\/uploads\/2021\/02\/2021-02-17-Making-sure-the-Trading-Systems-Back-Tester-doesnt-look-at-the-Future-with-C-Cpp-1024x576.png?v=1618146986 1024w, https:\/\/www.goncalo.pt\/por\/wp-content\/uploads\/2021\/02\/2021-02-17-Making-sure-the-Trading-Systems-Back-Tester-doesnt-look-at-the-Future-with-C-Cpp-300x169.png?v=1618146986 300w, https:\/\/www.goncalo.pt\/por\/wp-content\/uploads\/2021\/02\/2021-02-17-Making-sure-the-Trading-Systems-Back-Tester-doesnt-look-at-the-Future-with-C-Cpp-768x432.png?v=1618146986 768w, https:\/\/www.goncalo.pt\/por\/wp-content\/uploads\/2021\/02\/2021-02-17-Making-sure-the-Trading-Systems-Back-Tester-doesnt-look-at-the-Future-with-C-Cpp-1536x864.png?v=1618146986 1536w, https:\/\/www.goncalo.pt\/por\/wp-content\/uploads\/2021\/02\/2021-02-17-Making-sure-the-Trading-Systems-Back-Tester-doesnt-look-at-the-Future-with-C-Cpp.png?v=1618146986 1920w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption>2021-02-17 &#8211; Garantindo que o Back-Tester n\u00e3o olha para o futuro dos dados, em C\/C++&#8230;<\/figcaption><\/figure>\n\n\n\n<p>Nos meus softwares de forma\u00e7\u00e3o, como o Knowledge Tester:<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"http:\/\/www.goncalo.pt\/por\/wp-content\/uploads\/2022\/07\/2022-07-18-Creating-Java-exercises-for-my-IT-Training-Knowledge-Tester-software-using-Cpp-1024x576.png\" alt=\"2022-07-18 - Desenvolvimento de exerc\u00edcios para se aprender a programar, neste caso em Java, usando C++...\" class=\"wp-image-1976\" srcset=\"https:\/\/www.goncalo.pt\/por\/wp-content\/uploads\/2022\/07\/2022-07-18-Creating-Java-exercises-for-my-IT-Training-Knowledge-Tester-software-using-Cpp-1024x576.png?v=1658182008 1024w, https:\/\/www.goncalo.pt\/por\/wp-content\/uploads\/2022\/07\/2022-07-18-Creating-Java-exercises-for-my-IT-Training-Knowledge-Tester-software-using-Cpp-300x169.png?v=1658182008 300w, https:\/\/www.goncalo.pt\/por\/wp-content\/uploads\/2022\/07\/2022-07-18-Creating-Java-exercises-for-my-IT-Training-Knowledge-Tester-software-using-Cpp-768x432.png?v=1658182008 768w, https:\/\/www.goncalo.pt\/por\/wp-content\/uploads\/2022\/07\/2022-07-18-Creating-Java-exercises-for-my-IT-Training-Knowledge-Tester-software-using-Cpp-1536x864.png?v=1658182008 1536w, https:\/\/www.goncalo.pt\/por\/wp-content\/uploads\/2022\/07\/2022-07-18-Creating-Java-exercises-for-my-IT-Training-Knowledge-Tester-software-using-Cpp.png?v=1658182008 1920w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption>2022-07-18 &#8211; Desenvolvimento de exerc\u00edcios para se aprender a programar, neste caso em Java, usando C++&#8230;<\/figcaption><\/figure>\n\n\n\n<p>E at\u00e9 no meu Game Engine, se um dia criar jogos que tenham menus, tipo jogos de estrat\u00e9gia, etc:<\/p>\n\n\n\n<figure class=\"wp-block-video\"><video controls src=\"http:\/\/www.goncalo.pt\/por\/wp-content\/uploads\/2022\/09\/2022-09-28-Perfect-rope-balancing-and-throwing-with-gravity-included-in-my-Cpp-game-engine.mp4\"><\/video><\/figure>\n\n\n\n<p>Por isso, crio uma vez, e reutilizo em todo o lado.<\/p>\n\n\n\n<p>Por agora foco-me na sua aplica\u00e7\u00e3o ao Knowledge Tester, para termos um sistema de exames e estudo mais agrad\u00e1vel.<\/p>\n\n\n\n<p>Mais tarde trarei not\u00edcias sobre isto tudo, at\u00e9 l\u00e1 ficam com o c\u00e3o que desenhei acima com o rato. \ud83d\ude1b<\/p>\n\n\n\n<p>2022-10-04.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p>Update:<\/p>\n\n\n\n<p>O software j\u00e1 tem o sistema de desenho melhorado, ele \u00e9 importante porque o examinado ou quem treina, pode querer desenhar para marcar respostas onde tenha d\u00favidas, ou at\u00e9 fazer contas no ecr\u00e3, ou visualizar melhor alguma coisa.<\/p>\n\n\n\n<p>Ele poder\u00e1 mais tarde tirar print-screens de cada pergunta, tamb\u00e9m.<\/p>\n\n\n\n<p>Neste momento tamb\u00e9m j\u00e1 detecta quando o rato sai da janela para registar batotas dos examinados.<\/p>\n\n\n\n<p>Pequenos passos para tornar o software Knowledge Tester mais universal, e gr\u00e1fico, e mais amig\u00e1vel e f\u00e1cil de usar.<\/p>\n\n\n\n<p>2022-10-05.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"http:\/\/www.goncalo.pt\/por\/wp-content\/uploads\/2022\/10\/2022-10-05-GUI-development-trying-mouse-painting-on-Knowledge-Tester-1024x576.png\" alt=\"\" class=\"wp-image-2085\" srcset=\"https:\/\/www.goncalo.pt\/por\/wp-content\/uploads\/2022\/10\/2022-10-05-GUI-development-trying-mouse-painting-on-Knowledge-Tester-1024x576.png?v=1665520641 1024w, https:\/\/www.goncalo.pt\/por\/wp-content\/uploads\/2022\/10\/2022-10-05-GUI-development-trying-mouse-painting-on-Knowledge-Tester-300x169.png?v=1665520641 300w, https:\/\/www.goncalo.pt\/por\/wp-content\/uploads\/2022\/10\/2022-10-05-GUI-development-trying-mouse-painting-on-Knowledge-Tester-768x432.png?v=1665520641 768w, https:\/\/www.goncalo.pt\/por\/wp-content\/uploads\/2022\/10\/2022-10-05-GUI-development-trying-mouse-painting-on-Knowledge-Tester-1536x864.png?v=1665520641 1536w, https:\/\/www.goncalo.pt\/por\/wp-content\/uploads\/2022\/10\/2022-10-05-GUI-development-trying-mouse-painting-on-Knowledge-Tester.png?v=1665520641 1920w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Aqui est\u00e1 o come\u00e7o da minha pr\u00f3pria GUI, feita do zero em C++. Ep\u00e1, parece outra coisa, mas \u00e9 um<\/p>\n","protected":false},"author":1,"featured_media":2085,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[198,229,197,5,3,4],"tags":[7,207,203,206,8,230,9,231,10,120],"class_list":["post-2074","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-formacao","category-gui-project","category-linux","category-programacao","category-projectos","category-softwares","tag-c","tag-dev","tag-ensino","tag-estudo","tag-formacao","tag-gui","tag-knowledge-tester","tag-libraria-gui","tag-linux","tag-programacao"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>2022-10-04 - O come\u00e7o da minha pr\u00f3pria libraria de GUI multi-plataforma, em C++... - Gon\u00e7alo Ferreira<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.goncalo.pt\/por\/2022\/10\/04\/2022-10-04-o-comeco-da-minha-propria-libraria-de-gui-multi-plataforma-em-c\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"2022-10-04 - O come\u00e7o da minha pr\u00f3pria libraria de GUI multi-plataforma, em C++... - Gon\u00e7alo Ferreira\" \/>\n<meta property=\"og:description\" content=\"Aqui est\u00e1 o come\u00e7o da minha pr\u00f3pria GUI, feita do zero em C++. 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