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RE: GtkComobBox with appears-as-list - broken? going away?




Thanks. I found this bug report opened a couple of years ago which seems to be the same thing that I'm seeing with appears-as-list set:

https://bugzilla.gnome.org/show_bug.cgi?id=743683

If I can reproduce this in a Linux version as well as in the Windows version then I might look into possibly fixing it if I get some time.

Those mock-ups for the new replacement look great. And with a proper scroll bar - that will keep us detractors happy :-)

Ian


> -----Original Message-----
> From: Emmanuele Bassi [mailto:ebassi@xxxxxxxxx]
> Sent: Tuesday, December 13, 2016 12:53 PM
> To: Ian Puleston
> Cc: ML-gtk
> Subject: Re: GtkComobBox with appears-as-list - broken? going away?
> 
> Hi;
> 
> you probably wanted to send you email to gtk-devel-list.
> 
> On 13 December 2016 at 20:08, Ian Puleston <ian@xxxxxxxxxxxxxxxxxxxxxxx>
> wrote:
> 
> The "big blank area" is meant to ensure that the first item in the list is
> close to the location of the pointer; the "appears-as-list"
> style property was mostly a hack with pretty serious side effects in the
> overall maintainability of the GtkComboBox widget.
> 
> > Then in searching for info about this I came across a commit just last
> > month saying “combobox: Remove appears-as-list style property. Remove
> > all the code handling the appears-as-list=TRUE case”.
> 
> In general, style properties are going away in GTK+ 4.x, if they cannot be
> replaced by CSS properties.
> 
> In the specific case of GtkComboBox, though, the "appears-as-list"
> style property was literally used to create a separate widget that
> responded to the GtkComboBox API, which is even worse.
> 
> We're looking into creating a new "combo box" widget for GTK+ 4.x, which
> will likely be styled as a pop over; see, for example, this:
> 
>   https://mail.gnome.org/archives/gtk-devel-list/2014-
> December/msg00025.html
> 
> and the relative branch:
> https://git.gnome.org/browse/gtk+/log/?h=wip/combo
> 
> and designs: https://raw.githubusercontent.com/gnome-design-team/gnome-
> mockups/master/theming/widgets/combobox-replacements.png
> 
> > So is this style property known to be not working in GTK-3? And is
> > that the reason that it is being removed, or something else? Will it
> > be removed in
> > GTK-3 or not until GTK-4?
> 
> GTK+ 3.x is feature and API frozen; no new API, no new features, only
> bug fixes and deprecation warnings are going to be allowed from now on;
> so, the "appears-as-list" style property will still work.
> 
> Ciao,
>  Emmanuele.
> 
> --
> https://www.bassi.io
> [@] ebassi [@gmail.com]

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