X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Flibr2c2%2Flayout.cpp;h=af7304da6aeef557f3f4f8119d08cc4aaca1ace4;hb=02c12263ac40289afc626156358ebb705ed84a5b;hp=0901382b91d0f140bb8ddf39010bf41228b33bfb;hpb=78d36019ec11d62d6fd016fcbe19f566d11771ff;p=r2c2.git

diff --git a/source/libr2c2/layout.cpp b/source/libr2c2/layout.cpp
index 0901382..af7304d 100644
--- a/source/libr2c2/layout.cpp
+++ b/source/libr2c2/layout.cpp
@@ -69,31 +69,69 @@ Driver &Layout::get_driver() const
 void Layout::add(Object &o)
 {
 	if(objects.insert(o))
-		signal_object_added.emit(o);
+	{
+		try
+		{
+			signal_object_added.emit(o);
+		}
+		catch(...)
+		{
+			objects.erase(o);
+			throw;
+		}
+	}
 }
 
 void Layout::add(Track &t)
 {
 	if(objects.insert(t))
 	{
-		// Blocks must be recreated first
-		create_blocks();
-		signal_object_added.emit(t);
+		try
+		{
+			// Blocks must be recreated first
+			create_blocks();
+			signal_object_added.emit(t);
+		}
+		catch(...)
+		{
+			objects.erase(t);
+			create_blocks();
+			throw;
+		}
 	}
 }
 
 void Layout::add(TrackChain &g)
 {
 	if(track_chains.insert(g))
-		signal_track_chain_added.emit(g);
+	{
+		try
+		{
+			signal_track_chain_added.emit(g);
+		}
+		catch(...)
+		{
+			track_chains.erase(g);
+			throw;
+		}
+	}
 }
 
 void Layout::add(Block &b)
 {
 	if(track_chains.insert(b))
 	{
-		b.signal_reserved.connect(sigc::bind<0>(signal_block_reserved, sigc::ref(b)));
-		signal_track_chain_added.emit(b);
+		sigc::connection conn = b.signal_reserved.connect(sigc::bind<0>(signal_block_reserved, sigc::ref(b)));
+		try
+		{
+			signal_track_chain_added.emit(b);
+		}
+		catch(...)
+		{
+			track_chains.erase(b);
+			conn.disconnect();
+			throw;
+		}
 	}
 }