[gnome-characters] categoryList: Mimic GtkStackSidebar style

[Daiki Ueno <dueno src gnome org>]

commit 04c46802c71e492ae4da474e5837fe88f0a9aaf0
Author: Daiki Ueno <dueno src gnome org>
Date:   Mon Mar 2 10:54:20 2015 +0900

    categoryList: Mimic GtkStackSidebar style

 data/application.css |    4 ++--
 src/categoryList.js  |    8 +++++++-
 2 files changed, 9 insertions(+), 3 deletions(-)
---
diff --git a/data/application.css b/data/application.css
index 871857d..0c1d828 100644
--- a/data/application.css
+++ b/data/application.css
@@ -1,5 +1,5 @@
-.list-row.category-list-row .category-label {
-    padding: 10pt;
+.category-label {
+    padding: 3pt;
 }
 
 .menu-title {
diff --git a/src/categoryList.js b/src/categoryList.js
index 9057ba9..efdaa18 100644
--- a/src/categoryList.js
+++ b/src/categoryList.js
@@ -116,9 +116,15 @@ const CategoryListWidget = new Lang.Class({
         params = Params.fill(params, {});
         this.parent(params);
 
+        // Mimic GtkStackSidebar to take advantage of the standard theme.
+        this.get_style_context().add_class('sidebar');
+
         for (let index in Category) {
             let category = Category[index];
-            this.add(new CategoryListRowWidget({}, category));
+            let rowWidget = new CategoryListRowWidget({}, category);
+            // Mimic GtkStackSidebar to take advantage of the standard theme.
+            rowWidget.get_style_context().add_class('sidebar-item');
+            this.add(rowWidget);
         }
     },