Sort non-root entries in KHelpCenter

Make KHelpCenter entry sorting case-insensitive
This resolves Bug 1849

khelpcenter/navigator.cpp

@@ -230,6 +230,7 @@ void Navigator::insertParentAppDocs( const TQString &name, NavigatorItem *topIte
     }
     createItemFromDesktopFile( topItem, desktopFile );
   }
+  topItem->sortChildItems( 0, true /* ascending */ );
 }
 
 void Navigator::insertIOSlaveDocs( const TQString &name, NavigatorItem *topItem )
@@ -269,8 +270,10 @@ void Navigator::insertAppletDocs( NavigatorItem *topItem )
   TQStringList files = appletDir.entryList( TQDir::Files | TQDir::Readable );
   TQStringList::ConstIterator it = files.begin();
   TQStringList::ConstIterator end = files.end();
-  for ( ; it != end; ++it )
+  for ( ; it != end; ++it ) {
     createItemFromDesktopFile( topItem, appletDir.absPath() + "/" + *it );
+  }
+  topItem->sortChildItems( 0, true /* ascending */ );
 }
 
 void Navigator::createItemFromDesktopFile( NavigatorItem *topItem,

khelpcenter/navigatorappitem.cpp

@@ -156,6 +156,11 @@ bool NavigatorAppItem::populate( bool recursive )
   return entriesAdded;
 }
 
+TQString NavigatorAppItem::key( int column, bool ascending ) const
+{
+  return text( column ).lower();
+}
+
 TQString NavigatorAppItem::documentationURL( KService *s )
 {
   TQString docPath = s->property( "DocPath" ).toString();

khelpcenter/navigatorappitem.h

@@ -43,6 +43,7 @@ class NavigatorAppItem : public NavigatorItem
 
     virtual void setOpen(bool);
     bool populate( bool recursive = false );
+    virtual TQString key( int column, bool ascending ) const;
 
   protected:
     TQString documentationURL( KService *s );

khelpcenter/navigatoritem.cpp

@@ -102,4 +102,9 @@ void NavigatorItem::setOpen( bool open )
   }
 }
 
+TQString NavigatorItem::key( int column, bool ascending ) const
+{
+  return text( column ).lower();
+}
+
 // vim:ts=2:sw=2:et

khelpcenter/navigatoritem.h

@@ -49,12 +49,14 @@ class NavigatorItem : public TQListViewItem
     TOC *toc() const { return mToc; }
 
     TOC *createTOC();
-  
+
     void setOpen( bool open );
 
+    virtual TQString key( int column, bool ascending ) const;
+
   private:
     void init( DocEntry * );
-    
+
     TOC *mToc;
 
     DocEntry *mEntry;