Bingo! Thanks for the tip.
On 8/6/19 12:36 PM, Rob Pearce wrote:
On 06/08/2019 14:50, Phil Wolff via gtkmm-list wrote:
I'm deriving from Gtk::ProgressBar in order to track mouse events
within the widget. The only callback that executes is on_map(). Can
anyone tell me what vital (and likely obvious) operation I've failed
to include?
I don't know if this still applies on GTK3 but on earlier versions
ISTR that display widgets (like progress bar) usually aren't sensitive
to mouse events because they have no reason to be. On X11 that also
means they don't have the necessary X type. You have to wrap them in
an event box and hook up to that instead.
HTH,
Rob
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