[gnumeric] xls: more debug info.

[Morten Welinder <mortenw src gnome org>]

commit e9fbe1edf7dccf7bad91335ab06e0e85c2ba2618
Author: Morten Welinder <terra gnome org>
Date:   Fri Oct 2 20:51:43 2009 -0400

    xls: more debug info.

 plugins/excel/ChangeLog        |    3 +++
 plugins/excel/ms-excel-write.c |    8 ++++++--
 2 files changed, 9 insertions(+), 2 deletions(-)
---
diff --git a/plugins/excel/ChangeLog b/plugins/excel/ChangeLog
index 2d9853a..1518097 100644
--- a/plugins/excel/ChangeLog
+++ b/plugins/excel/ChangeLog
@@ -1,5 +1,8 @@
 2009-10-02  Morten Welinder  <terra gnome org>
 
+	* ms-excel-write.c (excel_sheet_new): Display name of sheet
+	objects we cannot export.
+
 	* ms-excel-read.c (ms_sheet_realize_obj): Set object name if we
 	have it.
 
diff --git a/plugins/excel/ms-excel-write.c b/plugins/excel/ms-excel-write.c
index 2216b88..d38c9d6 100644
--- a/plugins/excel/ms-excel-write.c
+++ b/plugins/excel/ms-excel-write.c
@@ -5069,9 +5069,13 @@ excel_sheet_new (ExcelWriteState *ewb, Sheet *sheet,
 		if (handled) {
 			esheet->num_objs++;
 		} else {
+			char *name;
 		unhandled:
-			g_warning ("Not exporting object of type %s",
-				   g_type_name_from_instance ((GTypeInstance*)so));
+			g_object_get (so, "name", &name, NULL);
+			g_warning ("Not exporting object %s of type %s",
+				   (name ? name : "?"),
+				   g_type_name (G_OBJECT_TYPE (so)));
+			g_free (name);
 		}
 	}
 	g_slist_free (objs);