Implement PicturesWidget

Create a tab to show the archived pictures. It's far from complete, but
it already does:
* show pictures
* hover
* delete pictures from archive

1 files changed, 1 insertions, 0 deletions

diff --git a/mappingtreemodel.h b/mappingtreemodel.h
index e55f609..fa2cfef 100644
--- a/mappingtreemodel.h
+++ b/mappingtreemodel.h
@@ -47,6 +47,7 @@ class MappingTreeModel : public SmTreeModel {
 
     signals:
         void mappingTypesChanged();
+        void needExpansion();
 
     private:
         struct mappingType {