Class: Gtk::ChangedEventsExample

Inherits:
Box
  • Object
show all
Defined in:
lib/gtk_paradise/examples/gtk4/200_changed_events_example.rb

Overview

Gtk::ChangedEventsExample

Instance Method Summary collapse

Methods inherited from Box

#add_space, #left_aligned_text, #text

Constructor Details

#initialize(run_already = true) ⇒ ChangedEventsExample

#

initialize

#


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# File 'lib/gtk_paradise/examples/gtk4/200_changed_events_example.rb', line 14

def initialize(
    run_already = true
  )
  super(:horizontal)
  reset
  run if run_already
end

Instance Method Details

#reset ⇒ Object

#

reset (reset tag)

#


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# File 'lib/gtk_paradise/examples/gtk4/200_changed_events_example.rb', line 32

def reset
  # ======================================================================= #
  # === @spinner
  # ======================================================================= #
  @spinner = ::Gtk::Spinner.new
  @spinner.set_spinning(true)
end

#run ⇒ Object

#

run

#


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# File 'lib/gtk_paradise/examples/gtk4/200_changed_events_example.rb', line 43

def run
  Thread.new {
    sleep 0.3 # Just to show how to activate it, via a slight delay.
    @spinner.set_spinning(true)
  }
  append(@spinner)

  text1 = Gtk::Label.new(
    ' This is a test. You can click on it via the mouse. '
  )
  click1 = Gtk::GestureClick.new
  click1.signal_connect(:pressed) { e 'The mouse button was clicked.' }
  text1.add_controller(click1)
  append(text1)
  set_halign(:center)
end

#title? ⇒ Boolean Also known as: title

#

title?

#

Returns:

  • (Boolean) 


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# File 'lib/gtk_paradise/examples/gtk4/200_changed_events_example.rb', line 25

def title?
  'Cahnged Events Example'
end