Save folder settings to config when force-switching VFS.

Signed-off-by: alex-z <blackslayer4@gmail.com>

src/gui/folder.cpp

@@ -691,6 +691,15 @@ void Folder::setRootPinState(PinState state)
 void Folder::switchToVirtualFiles()
 {
     SyncEngine::switchToVirtualFiles(path(), _journal, *_vfs);
+    _hasSwitchedToVfs = true;
+}
+
+void Folder::processSwitchedToVirtualFiles()
+{
+    if (_hasSwitchedToVfs) {
+        _hasSwitchedToVfs = false;
+        saveToSettings();
+    }
 }
 
 bool Folder::supportsSelectiveSync() const

src/gui/folder.h

@@ -289,6 +289,8 @@ class Folder : public QObject
 
     void switchToVirtualFiles();
 
+    void processSwitchedToVirtualFiles();
+
     /** Whether this folder should show selective sync ui */
     bool supportsSelectiveSync() const;
 
@@ -500,6 +502,10 @@ private slots:
      */
     bool _vfsOnOffPending = false;
 
+    /** Whether this folder has just switched to VFS or not
+     */
+    bool _hasSwitchedToVfs = false;
+
     /**
      * Watches this folder's local directory for changes.
      *

src/gui/folderman.cpp

@@ -211,6 +211,10 @@ int FolderMan::setupFolders()
 
     emit folderListChanged(_folderMap);
 
+    for (const auto folder : _folderMap) {
+        folder->processSwitchedToVirtualFiles();
+    }
+
     return _folderMap.size();
 }