This might seem a trivial task. And it should be. But I'm new to Vala programming, and new to GTK. For the life of me I couldn't work out how to do this. I searched high and low on the web to get the answer I needed, but to very little avail!
But finally, I figured it out - so I thought I'd make a little post.
The problem. I wanted to style a TextView - sounds simple.
So, here it is.
var style = """
textview text {
background-color: #131c16;
color: #3ce85c;
}
""";
var css_provider = new Gtk.CssProvider();
try {
css_provider.load_from_data(style, -1);
} catch (GLib.Error e) {
warning ("Failed to parse css style : %s", e.message);
}
Gtk.StyleContext.add_provider_for_screen (
Gdk.Screen.get_default (),
css_provider,
Gtk.STYLE_PROVIDER_PRIORITY_APPLICATION
);
For full context - go see the github repository - https://github.com/opensussex/gtk-textview
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