Set window title after new project is created, and also automatically call close if a project is open.

nw/guimain.py

@@ -282,8 +282,9 @@ class GuiMain(QMainWindow):
         """Create new project via the new project wizard.
         """
         if self.hasProject:
+            if not self.closeProject():
                 self.makeAlert(
-                "Please close the current project before making a new one.",
+                    "Cannot create new project when another project is open.",
                     nwAlert.ERROR
                 )
                 return False
@@ -313,6 +314,7 @@ class GuiMain(QMainWindow):
             self.hasProject = True
             self.statusBar.setRefTime(self.theProject.projOpened)
             self.rebuildIndex(beQuiet=True)
+            self._updateWindowTitle(self.theProject.projName)
         else:
             self.theProject.clearProject()
             return False