Gtk+3.22 compile app error

[Rúben Rodrigues]

Hi guys,

I'm working with raspbian and the version installed by apt-get install 
is older, so i download and compile 3.22 version and installed. Now when 
i'm trying to compile my application i get this error:

- undefined reference to `pango_fc_font_map_config_changed'.

The newest version need some extra library? I installed the required 
libraries that is in the gtk.org website.

Thanks


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Re: gtk-app-devel-list Digest, Vol 156, Issue 16

[Richard Shann]

> Date: Fri, 21 Apr 2017 09:01:54 +
> From: R?ben Rodrigues 
> To: "gtk-app-devel-list@gnome.org" 
> Subject: CheckButton background color
> Message-ID:
>   
> 
>   
> Content-Type: text/plain; charset="utf-8"
> 
> Hi,
> 
> Someone knows how to change gtkcheckbutton background and size in CSS?

The GNU Denemo program uses this function that changes the background
color of a widget:

void set_background_color(GtkWidget *w, gchar *color)
{
GtkCssProvider *gcp;
GtkStyleContext *gsc;
gsc = gtk_widget_get_style_context(w);
const gchar *type = g_type_name (G_TYPE_FROM_INSTANCE (w));
gchar *str = g_strdup_printf ("%s {background-color: %s;}", type,
color);
gcp= gtk_css_provider_new();
gtk_css_provider_load_from_data(gcp, str, -1, 0);
g_free (str);
gtk_style_context_add_provider(gsc, GTK_STYLE_PROVIDER(gcp), 
GTK_STYLE_PROVIDER_PRIORITY_APPLICATION);
}


HTH

Richard Shann

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