Add portable lock feature

If the file "portable.txt" is present in the application directory,
MO will force itself to be launched as a portable instance.  The
change game button and menu item are hidden to prevent the user
from changing out of the portable instance.

1 files changed, 4 insertions, 0 deletions

diff --git a/src/mainwindow.cpp b/src/mainwindow.cpp
index 657c1a27..bd9f1486 100644
--- a/src/mainwindow.cpp
+++ b/src/mainwindow.cpp
@@ -727,6 +727,10 @@ void MainWindow::setupToolbar()
   } else {
     log::warn("no separator found on the toolbar, icons won't be right-aligned");
   }
+
+  if (!InstanceManager::instance().allowedToChangeInstance()) {
+    ui->actionChange_Game->setVisible(false);
+  }
 }
 
 void MainWindow::setupActionMenu(QAction* a)