Add a CSS stylesheet

kifu/gtk/build.rs

@@ -1,7 +1,7 @@
 fn main() {
     glib_build_tools::compile_resources(
         &["resources"],
-        "resources/resources.gresources.xml",
+        "resources/gresources.xml",
         "com.luminescent-dreams.kifu-gtk.gresource",
     );
 }

kifu/gtk/resources/gresources.xml

@@ -2,5 +2,6 @@
 <gresources>
     <gresource prefix="/com/luminescent-dreams/kifu-gtk/">
         <file>wood_texture.jpg</file>
+        <file>style.css</file>
     </gresource>
 </gresources>

kifu/gtk/resources/style.css

@@ -0,0 +1 @@
+@define_color accent_color: @purple_5;

kifu/gtk/src/ui/mod.rs

@@ -1,6 +1,7 @@
 use adw::prelude::*;
+use gio::resources_lookup_data;
 use glib::IsA;
-use gtk::prelude::*;
+use gtk::{prelude::*, STYLE_PROVIDER_PRIORITY_USER};
 
 mod chat;
 pub use chat::Chat;
@@ -14,9 +15,6 @@ pub use game_preview::GamePreview;
 mod library;
 pub use library::Library;
 
-mod layout;
-pub use layout::Layout;
-
 mod player_card;
 pub use player_card::PlayerCard;
 
@@ -40,6 +38,27 @@ pub struct AppWindow {
 
 impl AppWindow {
     pub fn new(app: &adw::Application) -> Self {
+        let window = adw::ApplicationWindow::builder()
+            .application(app)
+            .width_request(800)
+            .height_request(500)
+            .build();
+
+        let stylesheet = String::from_utf8(
+            resources_lookup_data(
+                "/com/luminescent-dreams/kifu-gtk/style.css",
+                gio::ResourceLookupFlags::NONE,
+            )
+            .expect("stylesheet should just be available")
+            .to_vec(),
+        )
+        .expect("to parse stylesheet");
+
+        let provider = gtk::CssProvider::new();
+        provider.load_from_data(&stylesheet);
+        let content = window.style_context();
+        content.add_provider(&provider, STYLE_PROVIDER_PRIORITY_USER);
+
         let header = adw::HeaderBar::builder()
             .title_widget(&gtk::Label::new(Some("Kifu")))
             .build();
@@ -66,12 +85,6 @@ impl AppWindow {
         layout.append(&header);
         layout.append(&content);
 
-        let window = adw::ApplicationWindow::builder()
-            .application(app)
-            .width_request(800)
-            .height_request(500)
-            .build();
-
         window.set_content(Some(&layout));
 
         Self {