[Kde-bindings] Qtruby: Can't initialize obejct < Qt::Object

[Han Holl]

Hello,
It _almost_ works, but not quite. I want an action performed at a regular 
interval, and from browsing this mailing list I thought I had best use 
Qt::Timer for that.
I do not however succeed in initializing the object that has to do the work 
properly:

#!/usr/bin/ruby

require 'Qt'

class BackGround < Qt::Object
  slots 'show()'
  def initialize(parent, files)
#    Qt::debug_level = Qt::DebugLevel::High
    @files = files
    STDERR.puts @files.class
    super(parent)
  end
  def show
    STDERR.puts @files.nil?
  end
end
a = Qt::Application.new(ARGV)
w = Qt::Widget.new
b = BackGround.new(w, Hash.new)
timer = Qt::Timer.new(b)
Qt::Object.connect(timer, SIGNAL('timeout()'), b, SLOT('show()'))
timer.start(2000)

a.setMainWidget(w)
w.show
a.exec
### end-of-code

This produces:
Hash
true
true
... (every two seconds).

So @files becomes nil after my attempt to initialize the Qt::Object parent, 
and I have to have that for the SIGNAL/SLOT mechanism to work.
Also I'm not to certain about who should be parent to who. The Background 
class has nothing to do with Qt, except of course for the slot.

Hints would be very welcome.

Cheers,

Han Holl

(I'm trying to construct a little program that displays photos on the root 
window, fetches the caption from the EXIF header and displays it, and that 
has controls to pause, go back, change duration and so on. Learned a lot so 
far).