X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=synfig-studio%2Ftrunk%2Fsrc%2Fsynfigapp%2Fcanvasinterface.cpp;h=d4e806849c74ac8574060a71da78fb66a4fc0355;hb=44c9136b94ad618037353484723856238127a6ec;hp=45c307f23b32a59c76e16eaf91477b421a799ce1;hpb=37600b4b217caa5e316984ec0b035c5e8f9698af;p=synfig.git

diff --git a/synfig-studio/trunk/src/synfigapp/canvasinterface.cpp b/synfig-studio/trunk/src/synfigapp/canvasinterface.cpp
index 45c307f..d4e8068 100644
--- a/synfig-studio/trunk/src/synfigapp/canvasinterface.cpp
+++ b/synfig-studio/trunk/src/synfigapp/canvasinterface.cpp
@@ -108,8 +108,9 @@ CanvasInterface::set_time(synfig::Time x)
 
 	// update the time in all the child canvases
 	Canvas::Children children = get_canvas()->get_root()->children();
+	handle<CanvasInterface> interface;
 	for (Canvas::Children::iterator iter = children.begin(); iter != children.end(); iter++)
-		if (handle<CanvasInterface> interface = get_instance()->find_canvas_interface(*iter))
+		if ((interface = get_instance()->find_canvas_interface(*iter)) != this)
 			interface->set_time(interface->get_canvas()->get_time());
 
 	signal_time_changed()();
@@ -476,14 +477,14 @@ CanvasInterface::import(const synfig::String &filename, bool /*copy*/)
 
 	synfig::info("Attempting to import "+filename);
 
-
-	if(find(filename.begin(),filename.end(),'.')==filename.end())
+	if (filename_extension(filename) == "")
 	{
 		get_ui_interface()->error("Filename must have an extension!");
 		return false;
 	}
 
-	String ext(String(filename.begin()+filename.find_last_of('.')+1,filename.end()));
+	String ext(filename_extension(filename));
+	if (ext.size()) ext = ext.substr(1); // skip initial '.'
 	std::transform(ext.begin(),ext.end(),ext.begin(),&::tolower);
 
 	// If this is a SIF file, then we need to do things slightly differently