'How do I pack a Gtk::Entry into a Gtk::HeaderBar so the entry completely fills the header bar?
I'm making a program in gtkmm-3.0 which has a Gtk::HeaderBar as the title bar.
I'm trying to pack a Gtk::Entry into it using this code:
Gtk::HeaderBar headerBar;
Gtk::Entry entry;
headerBar.set_hexpand();
headerBar.set_halign((Gtk::Align)GTK_ALIGN_FILL);
entry.set_hexpand();
entry.set_halign((Gtk::Align)GTK_ALIGN_FILL);
headerBar.pack_start(uriEntry);
headerBar.set_show_close_button();
The entry is correctly packed, but it only fills half the space of the header bar, which is very confusing. Using headerBar.add(entry) or headerBar.pack_end(entry) does not help the slightest (The entry still fills half the space it's supposed to take).
Also, using headerBar.pack_start() with a Gtk::Button before the headerBar.pack_start(entry) line will put the button in its place, but the entry will stop the expansion at the same point that it stopped before, being shorter than before.
How can I make the entry fill the whole header bar?
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