Dear Lyle Underwood,
Please pass "false" as a second argument to the connect() function:
hscale->signal_button_press_event().connect
(
sigc::mem_fun(*this, &MyClass::on_hscale_button_press_event), false
);
MyClass::on_hscale_button_press_event()
{
printf("on_hscale_button_press_event()...\n");
return true; // allow the event to propagate
}
docs links:
http://library.gnome.org/devel/gtkmm-tutorial/unstable/sec-xeventsignals.html.en
(Thanks to Murray Cumming)
Regards from smso
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