From 6e1fba8a7262325eb7adf8f90c0f53359ae3e555 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Caol=C3=A1n=20McNamara?= <caolanm@redhat.com>
Date: Tue, 27 Nov 2012 15:42:12 +0000
Subject: [PATCH] try and make error message a little more useful

Change-Id: I20070965dbf2632461fc74cc8a9795c7ddded269
---
 vcl/inc/vcl/builder.hxx | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/vcl/inc/vcl/builder.hxx b/vcl/inc/vcl/builder.hxx
index cbda844bee2b..82bd805a2661 100644
--- a/vcl/inc/vcl/builder.hxx
+++ b/vcl/inc/vcl/builder.hxx
@@ -10,6 +10,7 @@
 #ifndef _VCLBUILDER_HXX
 #define _VCLBUILDER_HXX
 
+#include <typeinfo>
 #include <vcl/dllapi.h>
 #include <vcl/window.hxx>
 #include <xmlreader/xmlreader.hxx>
@@ -150,6 +151,9 @@ public:
     template <typename T> T* get(T*& ret, OString sID)
     {
         Window *w = get_by_name(sID);
+        SAL_WARN_IF(!w, "vcl.layout", "widget " << sID.getStr() << " not found in .ui");
+        SAL_WARN_IF(!dynamic_cast<T*>(w),
+            "vcl.layout", "widget " << sID.getStr() << " needs to have type " << typeid(T).name());
         assert(w && dynamic_cast<T*>(w));
         ret = static_cast<T*>(w);
         return ret;
@@ -158,6 +162,8 @@ public:
     template <typename T /*=Window if we had c++11*/> T* get(OString sID)
     {
         Window *w = get_by_name(sID);
+        SAL_WARN_IF(w && !dynamic_cast<T*>(w),
+            "vcl.layout", "widget " << sID.getStr() << " needs to have type " << typeid(T).name());
         assert(!w || dynamic_cast<T*>(w));
         return static_cast<T*>(w);
     }