prevent duplication of SVG path (fix #16056)

alexbruy · alexbruy · commit 538b7c90077a · 2017-01-18T11:22:57.000+02:00
(partially cherry-picked from c60c4f7)
diff --git a/src/core/qgsapplication.cpp b/src/core/qgsapplication.cpp
@@ -702,8 +702,20 @@ QStringList QgsApplication::svgPaths()
     myPathList = myPaths.split( '|' );
   }
 
-  myPathList << ABISYM( mDefaultSvgPaths );
-  return myPathList;
+  // maintain user set order while stripping duplicates
+  QStringList paths;
+  Q_FOREACH ( const QString& path, myPathList )
+  {
+    if ( !paths.contains( path ) )
+      paths.append( path );
+  }
+  Q_FOREACH ( const QString& path, ABISYM( mDefaultSvgPaths ) )
+  {
+    if ( !paths.contains( path ) )
+      paths.append( path );
+  }
+
+  return paths;
 }
 
 /*!
