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Using Gtk.Widget.add_css_class instead of the deprecated Gtk.StyleContext.add_provider_for_display #2

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Using Gtk.Widget.add_css_class instead of the deprecated Gtk.StyleContext.add_provider_for_display #2

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11 changes: 1 addition & 10 deletions src/Application.vala
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Original file line number Diff line number Diff line change
Expand Up @@ -54,19 +54,10 @@ public class MyApp : Gtk.Application {

settings.bind ("window-maximized", main_window, "maximized", SettingsBindFlags.SET);

// Use Css
var provider = new Gtk.CssProvider ();
provider.load_from_resource ("/io/github/yourusername/yourrepositoryname/Application.css");

Gtk.StyleContext.add_provider_for_display (
Gdk.Display.get_default (),
provider, Gtk.STYLE_PROVIDER_PRIORITY_APPLICATION
);

main_window.present ();
}

public static int main (string[] args) {
return new MyApp ().run (args);
}
}
}
6 changes: 5 additions & 1 deletion src/MainWindow.vala
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Original file line number Diff line number Diff line change
Expand Up @@ -20,6 +20,10 @@ public class MainWindow : Gtk.ApplicationWindow {
}

construct {
var provider = new Gtk.CssProvider ();
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@danirabbit danirabbit Jul 17, 2025

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You actually don't need to do this step at all anymore. Granite automatically loads gresourced stylesheets called "Application.css"

provider.load_from_resource ("/io/github/yourusername/yourrepositoryname/Application.css");
add_css_class (provider.to_string());
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@danirabbit danirabbit Jul 17, 2025

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This will not do what you think it does 😅 you'd just get a probably invalid super long css class name. This won't load any styles


var start_header = new Gtk.HeaderBar () {
show_title_buttons = false,
title_widget = new Gtk.Label ("")
Expand Down Expand Up @@ -64,4 +68,4 @@ public class MainWindow : Gtk.ApplicationWindow {
gtk_settings.gtk_theme_name = "io.elementary.stylesheet.blueberry";
}
}
}
}