7. Button Widgets

7.1 Button

Buttons are mostly used type of widget. You can find many signal types for them, in general used to realize something when button is triggered.

"clicked" signal is common used one, is used when button has been pressed and released.

#!/usr/bin/ruby
require "gtk3"

win = Gtk::Window.new
win.set_title("Button Demo")
win.set_border_width(10)

hbox = Gtk::Box.new(:horizontal, 6)
win.add(hbox)

button = Gtk::Button.new(:label => "Click Me")
button.signal_connect("clicked") {puts "\"Click Me\" button was clicked"}
hbox.pack_start(button, :expand => true, :fill => true, :padding => 0)

button = Gtk::Button.new(:stock_id => Gtk::Stock::OPEN)
button.signal_connect("clicked") {puts "\"Open\" button was clicked"}
hbox.pack_start(button, :expand => true, :fill => true, :padding => 0)

button = Gtk::Button.new(:label => "_Close", :mnemonic => true)
button.signal_connect("clicked") {puts "Closing application"; Gtk.main_quit;}
hbox.pack_start(button, :expand => true, :fill => true, :padding => 0)

win.signal_connect("destroy"){Gtk.main_quit}
win.show_all
Gtk.main