ai: code blocks: update colorscheme along with other stuff

.config/ags/init.js

@@ -1,8 +1,28 @@
-import GLib from 'gi://GLib';
+const { Gio, GLib } = imports.gi;
+import GtkSource from "gi://GtkSource?version=3.0";
 import App from 'resource:///com/github/Aylur/ags/app.js'
 import * as Utils from 'resource:///com/github/Aylur/ags/utils.js'
 import { darkMode } from './modules/.miscutils/system.js';
+
+const CUSTOM_SOURCEVIEW_SCHEME_PATH = `${App.configDir}/assets/themes/sourceviewtheme${darkMode.value ? '' : '-light'}.xml`;
+
 export const COMPILED_STYLE_DIR = `${GLib.get_user_cache_dir()}/ags/user/generated`
+
+function loadSourceViewColorScheme(filePath) {
+    // Read the XML file content
+    const file = Gio.File.new_for_path(filePath);
+    const [success, contents] = file.load_contents(null);
+
+    if (!success) {
+        logError('Failed to load the XML file.');
+        return;
+    }
+
+    // Parse the XML content and set the Style Scheme
+    const schemeManager = GtkSource.StyleSchemeManager.get_default();
+    schemeManager.append_search_path(file.get_parent().get_path());
+}
+
 globalThis['handleStyles'] = (resetMusic) => {
     // Reset
     Utils.exec(`mkdir -p "${GLib.get_user_state_dir()}/ags/scss"`);
@@ -13,7 +33,8 @@ globalThis['handleStyles'] = (resetMusic) => {
     // Generate overrides
     let lightdark = darkMode.value ? "dark" : "light";
     Utils.writeFileSync(
-        `@mixin symbolic-icon {
+        `
+@mixin symbolic-icon {
     -gtk-icon-theme: '${userOptions.icons.symbolicIconTheme[lightdark]}';
 }
 `,
@@ -26,5 +47,7 @@ globalThis['handleStyles'] = (resetMusic) => {
         App.applyCss(`${COMPILED_STYLE_DIR}/style.css`);
         console.log('[LOG] Styles loaded')
     }
-    applyStyle().catch(print);
+    applyStyle().then(() => {
+        loadSourceViewColorScheme(CUSTOM_SOURCEVIEW_SCHEME_PATH);
+    }).catch(print);
 }