class CssBasicsDemo

# Copyright © 2015-2016 Ruby-GNOME2 Project Team # This program is licenced under the same licence as Ruby-GNOME2. #

Theming/CSS Basics

Gtk themes are written using CSS. Every widget is build of multiple items that you can style very similarly to a regular website.

Public Class Methods

new(main_window) click to toggle source
# File gtk3/sample/gtk-demo/css_basics.rb, line 11
def initialize(main_window)
  @window = Gtk::Window.new(:toplevel)
  @window.title = "CSS Basics"
  @window.transient_for = main_window
  @window.set_default_size(400, 300)

  @default_css = Gio::Resources.lookup_data("/css_basics/css_basics.css", 0).to_s
  initialize_text_buffer

  container = Gtk::ScrolledWindow.new
  @window.add(container)

  child = Gtk::TextView.new(@text)
  container.add(child)

  initialize_provider

  apply_style(@window, @provider)
end

Public Instance Methods

run() click to toggle source
# File gtk3/sample/gtk-demo/css_basics.rb, line 31
def run
  if !@window.visible?
    @window.show_all
  else
    @window.destroy
  end
  @window
end