Re: Problem with long list for ComboBoxText

[Kerenoc Kerenoc <kerenoc01 gmail com>]

Thanks for the information.I'll favour accessibility then rather than fight Gtk.

Regards

    Kerenoc

  

Le jeu. 24 mars 2022 à 15:02, Jeremy Volkening via gtk-perl-list <gtk-perl-list gnome org> a écrit :

This is, I think, a design decision of GTK (mainly due to accessibility concerns). See issue post here: https://gitlab.gnome.org/GNOME/gtk/-/issues/270#note_394060.

It may be possible to implement the keypress hack you described, but you may be compromising accessibility for aesthetics.

Best,
Jeremy

On Wed, Mar 23, 2022 at 04:59:42PM +0100, Kerenoc Kerenoc via gtk-perl-list wrote:
> Hello,
>
> With Gtk3 on Windows and Linux, when a ComboBox has a long list of items to
> select from, there is a large empty zone above the first element of the
> list. Using the up arrow key then the down arrow key restores a normal
> situation.
>
> Here is a simple program to reproduce the problem.
>
> ================================
> #!/usr/bin/perl
>
> use Gtk3 -init;
>
> my $combobox = Gtk3::ComboBoxText->new;
> for (0 .. 150) { $combobox->append_text("$_"); };
> $combobox->set_active(0);
>
> my $window=Gtk3::Window->new('toplevel');
> $window->signal_connect( destroy => sub {Gtk3::main_quit} );
> $window->add($combobox);
> $window->show_all;
> Gtk3->main();
> ================================
>
> The problem can also be reproduced with a Gtk3::ComboBox.
>
> In case this problem couldn't be solved, how could one emulate two key
> events (up and down) in a callback when the combobox opens?
>
> Best regards

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