From 3ea766154bd366e6c9f962450855bebb223eff5a Mon Sep 17 00:00:00 2001
From: Seth Hillbrand <hillbrand@ucdavis.edu>
Date: Tue, 22 Jan 2019 22:33:00 -0800
Subject: [PATCH] eeschema: Allow tree expand/collapse with +/-

---
 common/widgets/lib_tree.cpp | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/common/widgets/lib_tree.cpp b/common/widgets/lib_tree.cpp
index 27bbe28c5d..32d605255f 100644
--- a/common/widgets/lib_tree.cpp
+++ b/common/widgets/lib_tree.cpp
@@ -327,6 +327,18 @@ void LIB_TREE::onQueryCharHook( wxKeyEvent& aKeyStroke )
         selectIfValid( GetNextItem( *m_tree_ctrl, sel ) );
         break;
 
+    case WXK_ADD:
+        if( type == LIB_TREE_NODE::LIB )
+            m_tree_ctrl->Expand( sel );
+
+        break;
+
+    case WXK_SUBTRACT:
+        if( type == LIB_TREE_NODE::LIB )
+            m_tree_ctrl->Collapse( sel );
+
+        break;
+
     case WXK_RETURN:
         if( type == LIB_TREE_NODE::LIB )
         {