X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2Fgraph.C;h=93533274320245531a83823130879494b04840c7;hb=35204f8f33d7400a5fefeffea533fb4cb4097211;hp=b7db6c563379c2a9bc8bad9fe252260c16c98854;hpb=91de22ef340abbf1e9ba7d422bcd9024fa90d63f;p=lyx.git

diff --git a/src/graph.C b/src/graph.C
index b7db6c5633..9353327432 100644
--- a/src/graph.C
+++ b/src/graph.C
@@ -8,12 +8,19 @@
  * Full author contact details are available in file CREDITS.
  */
 
+#include <config.h>
+
 #include "graph.h"
 #include "format.h"
 
+#include <algorithm>
+
+
+namespace lyx {
 
-using std::queue;
 using std::vector;
+using std::reverse;
+using std::fill;
 
 
 int Graph::bfs_init(int s, bool clear_visited)
@@ -74,11 +81,14 @@ Graph::getReachable(int from, bool only_viewable,
 		int const i = Q_.front();
 		Q_.pop();
 		Format const & format = formats.get(i);
-		if (format.name() == "lyx")
-			continue;
-		if (!only_viewable || !format.viewer().empty() ||
-		    format.isChildFormat())
+		if (!only_viewable || !format.viewer().empty())
 			result.push_back(i);
+		else if (format.isChildFormat()) {
+			Format const * const parent =
+				formats.getFormat(format.parentFormat());
+			if (parent && !parent->viewer().empty())
+				result.push_back(i);
+		}
 
 		vector<int>::const_iterator cit =
 			vertices_[i].out_vertices.begin();
@@ -190,3 +200,6 @@ void Graph::addEdge(int s, int t)
 }
 
 vector<Graph::Vertex> Graph::vertices_;
+
+
+} // namespace lyx