You keep using an id in the selector, but you never show how you set
the id on the widget. I suspect you think the buildable ID you use
with GtkBuilder is also the ID used when theming — which is definitely
not the case. You will need gtk_widget_set_name(), instead. Of course,
that comes with its own set of caveats, most importantly: there's no
uniqueness of widget name enforced by GTK+ itself.
If you want to avoid all of this, use a CSS class; you can add a class
programmatically using gtk_style_context_add_class() or you can
specify the class in the GtkBuilder XML file.
Ciao,
Emmanuele.
On 16 March 2017 at 12:49, Rúben Rodrigues <ruben...@live.com.pt> wrote:
> I provide my code in previous emails.
>
> This is my code now:
>
> if(css_provider == NULL){
> css_provider = gtk_css_provider_new();
>
> gtk_style_context_add_provider
> (gtk_widget_get_style_context(GTK_WIDGET(gtk_builder_get_object(builder,"window_Main"))),
> GTK_STYLE_PROVIDER (css_provider),
> GTK_STYLE_PROVIDER_PRIORITY_APPLICATION);
> g_object_unref(css_provider);
>
> }
> gtk_css_provider_load_from_data (css_provider,"#label_Sensors {
> color: red; }",-1,NULL);
>
>
> On 16-03-2017 12:41, Tilo Villwock wrote:
>> Am Donnerstag, den 16.03.2017, 11:58 +0000 schrieb Rúben Rodrigues:
>>> Hi,
>>>
>>> This is what i have, and don't works...
>> The code I provided works. What GTK3 version are you using? Also nobody
>> will be able to help you if you don't show us your code.
>>
>> --Tilo
>
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