# HG changeset patch
# User Pantxo Diribarne <pantxo.diribarne@gmail.com>
# Date 1440359149 -7200
# Node ID 7d7c91ddc736bec491f4e760cb12c00219e480d0
# Parent  7395fdd45d5f70d5afdb15370ada162cf2cb20ce
Handle hggroup objects "buttondownfcn" when children are clicked (bug #45621)

* Canvas.cc (Canvas::canvasMousePressEvent): when an object is clicked and has an empty "buttondownfcn",
 execute it's parents "buttondownfcn" if the parent is a hggroup.

diff --git a/libgui/graphics/Canvas.cc b/libgui/graphics/Canvas.cc
--- a/libgui/graphics/Canvas.cc
+++ b/libgui/graphics/Canvas.cc
@@ -602,9 +602,20 @@
                                      "windowbuttondownfcn",
                                      button_number (event));
 
-          gh_manager::post_callback (currentObj.get_handle (),
-                                     "buttondownfcn",
-                                     button_number (event));
+          if (currentObj.get ("buttondownfcn").is_empty ())
+            {
+              graphics_object parentObj = 
+                gh_manager::get_object (currentObj.get_parent ());
+
+              if (parentObj.valid_object () && parentObj.isa ("hggroup"))
+                gh_manager::post_callback (parentObj.get_handle (),
+                                           "buttondownfcn",
+                                           button_number (event));
+            }
+          else
+            gh_manager::post_callback (currentObj.get_handle (),
+                                       "buttondownfcn",
+                                       button_number (event));
 
           if (event->button () == Qt::RightButton)
             ContextMenu::executeAt (currentObj.get_properties (),