Hello,
I created a custom widget which extends the Gtk::Frame class. I add to it a HBox and inside this box a gtkglextmm widget (which extends from Gtk::DrawingArea and public Gtk::GL::Widget<View2D>), and a Gtk::HScale. In the constructor of the Gtk::Frame custom class i put:
mScale.set_digits (0);
mScale.set_draw_value (true);
crap = mScale.signal_value_changed ().connect (
sigc::mem_fun (*this, &klSliceViewer::sliderChangedEvent));
std::cout << (crap.connected () ? "connected" : "unconnected") << std::endl;
std::cout << (crap.empty () ? "empty" : "not empty") << std::endl;
Gtk::Adjustment lAdj (0, 0, 255, 1, 1, 0);
mScale.set_adjustment (lAdj);
add (mBox);
mBox.pack_start (mView2D);
mBox.pack_start (mScale, Gtk::PACK_SHRINK, 0);
and I wonder why the klSliceViewer::sliderChangedEvent never get called. The printed values are "connected" and "not empty", and "crap" is a class member variable.
Any help?
Greetings, Luca
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