added IndexOf()

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@17888 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/apps/icon-o-matic/style/StyleManager.cpp

@@ -123,6 +123,13 @@ StyleManager::HasStyle(Style* style) const
 	return fStyles.HasItem((void*)style);
 }
 
+// IndexOf
+int32
+StyleManager::IndexOf(Style* style) const
+{
+	return fStyles.IndexOf((void*)style);
+}
+
 // StyleAt
 Style*
 StyleManager::StyleAt(int32 index) const

src/apps/icon-o-matic/style/StyleManager.h

@@ -29,6 +29,8 @@ class StyleManager : public RWLocker {
 								StyleManager();
 	virtual						~StyleManager();
 
+	static	StyleManager*		Default();
+
 			bool				AddStyle(Style* style);
 			bool				RemoveStyle(Style* style);
 			Style*				RemoveStyle(int32 index);
@@ -37,6 +39,7 @@ class StyleManager : public RWLocker {
 
 			int32				CountStyles() const;
 			bool				HasStyle(Style* style) const;
+			int32				IndexOf(Style* style) const;
 
 			Style*				StyleAt(int32 index) const;
 			Style*				StyleAtFast(int32 index) const;
@@ -46,8 +49,6 @@ class StyleManager : public RWLocker {
 			bool				AddListener(StyleManagerListener* listener);
 			bool				RemoveListener(StyleManagerListener* listener);
 
-	static	StyleManager*		Default();
-
  private:
 			void				_StateChanged();
 			void				_MakeEmpty();