1 files changed, 12 insertions, 0 deletions
diff --git a/src/gui/vectorinput.cpp b/src/gui/vectorinput.cpp
index 9ebb0fa..daed540 100644
--- a/src/gui/vectorinput.cpp
+++ b/src/gui/vectorinput.cpp
@@ -25,6 +25,16 @@ void gui_vectorinput_child_cb( void* ptr ) {
   GUI_FLOATINPUT* child = (GUI_FLOATINPUT*)ptr;
                                            // slider -> child view -> vectorinput
   GUI_VECTORINPUT* parent = (GUI_VECTORINPUT*)child->parent->parent;
+  for( auto& it : parent->lastchange )
+    it = 0.f;
+
+  for( U32 i = 0; i < parent->inputs.size; ++i ) {
+    if( parent->inputs.data[i] == child ) {
+      parent->lastchange.data[i] = child->lastchange;
+      break;
+    }
+  }
+
   if( parent->cb )
     parent->cb( parent );
 }
@@ -54,6 +64,7 @@ void __gui_internal_vectorinput_init(
   GUI_VIEW* parent = gui_get_view();
   parent->children.push( input );
   input->parent = parent;
+  input->lastchange.resize( valc );
 
   gui_set_view( input );
 
@@ -77,6 +88,7 @@ void __gui_internal_vectorinput_init(
       printfmt
     );
 
+    input->inputs.push( slider );
     slider->cb = gui_vectorinput_child_cb;
   }