November 2012
Intermediate to advanced
888 pages
54h 46m
Polish
Content preview from Ruby. Receptury
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21.14. Tworzenie aplikacji GUI z wykorzystaniem biblioteki Ruby/GTK
Problem
Chcemy napisać aplikację GUI, która wykorzystuje bibliotekę GTK — na przykład po to, by zintegrować ją ze środowiskiem graficznym Gnome.
Rozwiązanie
Można skorzystać z oprawy dla języka Ruby do biblioteki GTK projektu Gnome. Oprawa ta jest dostępna w postaci zewnętrznego archiwum. Oto bardzo prosta aplikacja wykorzystująca bibliotekę Ruby/GTK (Rysunek 21-5):
#!/usr/bin/ruby -w
# gtktrout.rb
require 'gtk2'
Gtk.init
window = Gtk::Window.new 'Prosta aplikacja Ruby/GTK'
label = Gtk::Label.new 'Ale z ciebie brzydal!'
window.add label
window.signal_connect('destroy') { Gtk.main_quit }
window.show_all
Gtk.mainRysunek 21-5. Prosta aplikacja GTK
Dyskusja
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.