LibGUI: Activate GTreeView indexes when double clicking leaf nodes

This seems pretty sensible to me. I'm unsure if we should activate
nodes that have children, or just toggle them.

1 files changed, 2 insertions, 0 deletions

diff --git a/Libraries/LibGUI/GTreeView.cpp b/Libraries/LibGUI/GTreeView.cpp
index a579fe253f..e0c3283245 100644
--- a/Libraries/LibGUI/GTreeView.cpp
+++ b/Libraries/LibGUI/GTreeView.cpp
@@ -71,6 +71,8 @@ void GTreeView::doubleclick_event(GMouseEvent& event)
 
         if (model.row_count(index))
             toggle_index(index);
+        else
+            activate(index);
     }
 }