Sort plugins in settings dialog alphabetically

src/libaudcore/plugin-registry.cc

@@ -103,6 +103,7 @@ static constexpr aud::array<InputKey, const char *> input_key_names = {
 
 static aud::array<PluginType, Index<PluginHandle *>> plugins;
 static aud::array<PluginType, Index<PluginHandle *>> compatible;
+static aud::array<PluginType, Index<PluginHandle *>> sorted; /* by name */
 static aud::mutex mutex;
 static bool modified = false;
 
@@ -209,6 +210,9 @@ void plugin_registry_cleanup()
 
     for (auto & list : compatible)
         list.clear();
+
+    for (auto & list : sorted)
+        list.clear();
 }
 
 static void transport_plugin_parse(PluginHandle * plugin, TextParser & parser)
@@ -442,8 +446,14 @@ void plugin_registry_prune()
     {
         plugins[type].remove_if(check_not_found);
         plugins[type].sort(plugin_compare);
+
         compatible[type].insert(plugins[type].begin(), 0, plugins[type].len());
         compatible[type].remove_if(check_incompatible);
+
+        sorted[type].insert(compatible[type].begin(), 0, compatible[type].len());
+        sorted[type].sort([](PluginHandle * a, PluginHandle * b) {
+            return str_compare(aud_plugin_get_name(a), aud_plugin_get_name(b));
+        });
     }
 }
 
@@ -623,6 +633,11 @@ EXPORT const Index<PluginHandle *> & aud_plugin_list(PluginType type)
     return compatible[type];
 }
 
+EXPORT const Index<PluginHandle *> & aud_plugin_list_sorted(PluginType type)
+{
+    return sorted[type];
+}
+
 EXPORT const char * aud_plugin_get_name(PluginHandle * plugin)
 {
     return dgettext(plugin->domain, plugin->name);

src/libaudcore/plugins.h

@@ -57,6 +57,7 @@ const void * aud_plugin_get_header(PluginHandle * plugin);
 PluginHandle * aud_plugin_by_header(const void * header);
 
 const Index<PluginHandle *> & aud_plugin_list(PluginType type);
+const Index<PluginHandle *> & aud_plugin_list_sorted(PluginType type);
 
 const char * aud_plugin_get_name(PluginHandle * plugin);
 bool aud_plugin_has_about(PluginHandle * plugin);

src/libaudgui/plugin-view.cc

@@ -132,7 +132,7 @@ static void list_fill (GtkTreeView * tree, void * type)
     gtk_tree_view_column_pack_start (col, rend, false);
     gtk_tree_view_column_set_attributes (col, rend, "text", PVIEW_COL_NAME, nullptr);
 
-    for (PluginHandle * plugin : aud_plugin_list (aud::from_ptr<PluginType> (type)))
+    for (PluginHandle * plugin : aud_plugin_list_sorted (aud::from_ptr<PluginType> (type)))
         add_to_list (model, plugin);
 }
 

src/libaudqt/prefs-pluginlist-model.cc

@@ -72,7 +72,7 @@ QModelIndex PluginListModel::index(int row, int column,
     if (cat < 0 || cat >= n_categories)
         return QModelIndex();
 
-    auto & list = aud_plugin_list(categories[cat].type);
+    auto & list = aud_plugin_list_sorted(categories[cat].type);
     if (row < 0 || row >= list.len())
         return QModelIndex();