extra check for absolute paths

qtgui/projectname.py

@@ -80,7 +80,7 @@ class ProjectNameWidget(QtWidgets.QDialog):
         errorMessage = ""
         if currentText == "":
             errorMessage = QtCore.QCoreApplication.translate("ProjectNameWidget", "Name must not be empty.")
-        elif pathlib.PurePosixPath(path).match("/*"):
+        elif pathlib.PurePosixPath(path).match("/*") or str(pathlib.PurePosixPath(path)).startswith("/"):
             errorMessage = QtCore.QCoreApplication.translate("ProjectNameWidget", "Name must be a relative path.")
         elif pathlib.PurePosixPath(path).match("../*") or pathlib.PurePosixPath(path).match("*..*"):
             errorMessage = QtCore.QCoreApplication.translate("ProjectNameWidget", "Moving to parent directory not allowed.")