From: pabs <pabs@1f10aa63-cdf2-0310-b900-c93c546f37ac>
Date: Tue, 14 Aug 2007 12:37:12 +0000 (+0000)
Subject: Fix 1356449: don't crash when creating a PasteCanvas by not accessing a NULL pointer
X-Git-Url: https://git.pterodactylus.net/?a=commitdiff_plain;h=d1795bedb1062e757af2822ad430229351ddffc5;p=synfig.git

Fix 1356449: don't crash when creating a PasteCanvas by not accessing a NULL pointer


git-svn-id: http://svn.voria.com/code@553 1f10aa63-cdf2-0310-b900-c93c546f37ac
---

diff --git a/synfig-studio/trunk/src/gtkmm/layerparamtreestore.cpp b/synfig-studio/trunk/src/gtkmm/layerparamtreestore.cpp
index 8e0739a..928208c 100644
--- a/synfig-studio/trunk/src/gtkmm/layerparamtreestore.cpp
+++ b/synfig-studio/trunk/src/gtkmm/layerparamtreestore.cpp
@@ -400,8 +400,9 @@ LayerParamTreeStore::rebuild()
 		}
 		if(value_desc.get_value_type()==ValueBase::TYPE_CANVAS)
 		{
-			changed_connection_list.push_back(
-				value_desc.get_value().get(Canvas::Handle())->signal_changed().connect(
+			Canvas::Handle canvas_handle = value_desc.get_value().get(Canvas::Handle());
+			if(canvas_handle) changed_connection_list.push_back(
+				canvas_handle->signal_changed().connect(
 					sigc::mem_fun(
 						this,
 						&LayerParamTreeStore::changed