it doesnt work because those are CSS properties, which are not widget style
properties.
use get_property("css-prop-name", dst_value)
On Wed, 19 Feb 2020, 09:51 Mohith Manoj via gtkmm-list, <
gtkmm-list@gnome.org> wrote:
> Of course... get_color() works as we have seen in the example code. But to
> get a property like 'border-top-left-radius' or 'border-right-color' there
> is no direct API and we are dependent on something like
> Gtk::StyleContext::get_style_property, but since this doesn't work we have
> our hunting hat on.
>
> On Wed, Feb 19, 2020 at 12:27 PM Daniel Boles via gtkmm-list <
> gtkmm-list@gnome.org> wrote:
>
>> color is a normal css property, not a widget style property. use the
>> right api for that. there is get_property() and iirc maybe even get_color().
>>
>> don't use widget style properties in new code because they are removed in
>> gtk 4.
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>
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