layers/app: properly remove surfs, deactivate main_surface

Signed-off-by: Marcus Fritzsch <marcus_fritzsch@mentor.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/src/layers.hpp b/src/layers.hpp
index ada7344..b20d356 100644
--- a/src/layers.hpp
+++ b/src/layers.hpp
@@ -114,6 +114,10 @@ struct layer_map {
       this->surfaces[surface_id] = layer_id;
    }
 
+   void remove_surface(int surface_id) {
+      this->surfaces.erase(surface_id);
+   }
+
    json to_json() const;
 };