From 3c3ba9ef4c65926b632c8460e186da9786ec96c9 Mon Sep 17 00:00:00 2001
From: Henrique Santiago <henrique_santiago93@hotmail.com>
Date: Thu, 7 Feb 2013 03:13:08 -0200
Subject: [PATCH] Fix crash when clientid is invalid

---
 src/client/thing.h    | 2 ++
 src/client/uiitem.cpp | 2 +-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/client/thing.h b/src/client/thing.h
index 03934250..24815d1e 100644
--- a/src/client/thing.h
+++ b/src/client/thing.h
@@ -59,6 +59,8 @@ public:
     virtual bool isAnimatedText() { return false; }
     virtual bool isStaticText() { return false; }
 
+    virtual bool isValid() { return rawGetThingType() != nullptr; }
+
     // type shortcuts
     virtual const ThingTypePtr& getThingType();
     virtual ThingType *rawGetThingType();
diff --git a/src/client/uiitem.cpp b/src/client/uiitem.cpp
index eb062013..fdd700a2 100644
--- a/src/client/uiitem.cpp
+++ b/src/client/uiitem.cpp
@@ -44,7 +44,7 @@ void UIItem::drawSelf(Fw::DrawPane drawPane)
 
     drawImage(m_rect);
 
-    if(m_itemVisible && m_item) {
+    if(m_itemVisible && m_item && m_item->isValid()) {
         Rect drawRect = getPaddingRect();
         Point dest = drawRect.bottomRight() + Point(1,1);