Do not mark up unknown types as designable

Do not mark up properties using types that are not known to designer as
designable.

Change-Id: I45b702dc0e441998f6afa7989f8c12a3b068899e
Reviewed-by: Daniel Teske <daniel.teske@nokia.com>

src/libs/utils/pathchooser.h

@@ -55,12 +55,13 @@ class QTCREATOR_UTILS_EXPORT PathChooser : public QWidget
     Q_OBJECT
     Q_ENUMS(Kind)
     Q_PROPERTY(QString path READ path WRITE setPath DESIGNABLE true)
-    Q_PROPERTY(Utils::FileName fileName READ fileName WRITE setFileName DESIGNABLE true)
     Q_PROPERTY(QString promptDialogTitle READ promptDialogTitle WRITE setPromptDialogTitle DESIGNABLE true)
     Q_PROPERTY(Kind expectedKind READ expectedKind WRITE setExpectedKind DESIGNABLE true)
     Q_PROPERTY(QString baseDirectory READ baseDirectory WRITE setBaseDirectory DESIGNABLE true)
     Q_PROPERTY(QStringList commandVersionArguments READ commandVersionArguments WRITE setCommandVersionArguments)
     Q_PROPERTY(bool readOnly READ isReadOnly WRITE setReadOnly DESIGNABLE true)
+    // Designer does not know this type, so force designable to false:
+    Q_PROPERTY(Utils::FileName fileName READ fileName WRITE setFileName DESIGNABLE false)
 
 public:
     static const char * const browseButtonLabel;