Reverted resource references for combine_something, you can't use tool_image here, because on MSW that only works for .bmps'

Added dependency stuff to invalidate Choice images;
Fixed 'duplicate' in symbol editor

git-svn-id: svn://svn.code.sf.net/p/magicseteditor/code/trunk@197 0fc631ac-6414-0410-93d0-97cfa31319b6

src/render/card/viewer.cpp

@@ -146,4 +146,16 @@ void DataViewer::onAction(const Action& action, bool undone) {
 			}
 		}
 	}
+	TYPE_CASE(action, ScriptStyleEvent) {
+		if (action.stylesheet == stylesheet.get()) {
+			FOR_EACH(v, viewers) {
+				if (v->getStyle().get() == action.style) {
+					// refresh the viewer
+					v->onStyleChange();
+					onChange();
+					return;
+				}
+			}
+		}
+	}
 }