Controlling resizing; setting a cancel button

["Matthew Fisher" <Matthew Fisher cchsfs com>]

Hola mundo,

I have a few questions about gtkmm classes:

1) Is it possible to allow a Gtk::Window to be resized horizontally, but
not vertically?

2) I've seen the Gtk::Widget documentation about can_set_default and
grab_default. Is there anything comparable for setting a Gtk::Window's
"cancel" button?

Assuming it would be on topic, feel free to comment on the
(in)advisability of these design choices.

Thanks,

 - Matt Fisher (Caribou, Maine, USA)

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