Remove watch folders permanently only if the user accepts the Preferences dialog.

src/base/scanfoldersmodel.cpp

@@ -268,24 +268,31 @@ void ScanFoldersModel::addToFSWatcher(const QStringList &watchPaths)
     }
 }
 
-void ScanFoldersModel::removePath(int row)
+void ScanFoldersModel::removePath(int row, bool removeFromFSWatcher)
 {
     Q_ASSERT((row >= 0) && (row < rowCount()));
     beginRemoveRows(QModelIndex(), row, row);
-    m_fsWatcher->removePath(m_pathList.at(row)->watchPath);
+    if (removeFromFSWatcher)
+        m_fsWatcher->removePath(m_pathList.at(row)->watchPath);
     delete m_pathList.takeAt(row);
     endRemoveRows();
 }
 
-bool ScanFoldersModel::removePath(const QString &path)
+bool ScanFoldersModel::removePath(const QString &path, bool removeFromFSWatcher)
 {
     const int row = findPathData(path);
     if (row == -1) return false;
 
-    removePath(row);
+    removePath(row, removeFromFSWatcher);
     return true;
 }
 
+void ScanFoldersModel::removeFromFSWatcher(const QStringList &watchPaths)
+{
+    foreach (const QString &path, watchPaths)
+        m_fsWatcher->removePath(path);
+}
+
 bool ScanFoldersModel::downloadInWatchFolder(const QString &filePath) const
 {
     const int row = findPathData(QFileInfo(filePath).dir().path());

src/base/scanfoldersmodel.h

@@ -85,13 +85,16 @@ public:
     PathStatus updatePath(const QString &watchPath, const PathType& downloadType, const QString &downloadPath);
     // PRECONDITION: The paths must have been added with addPath() first.
     void addToFSWatcher(const QStringList &watchPaths);
-    void removePath(int row);
+    void removePath(int row, bool removeFromFSWatcher = true);
-    bool removePath(const QString &path);
+    bool removePath(const QString &path, bool removeFromFSWatcher = true);
+    void removeFromFSWatcher(const QStringList &watchPaths);
 
     void makePersistent();
 
-private slots:
+public slots:
     void configure();
+
+private slots:
     void addTorrentsToSession(const QStringList &pathList);
 
 private:

src/gui/options_imp.cpp

@@ -308,6 +308,7 @@ options_imp::~options_imp()
     qDebug("-> destructing Options");
     foreach (const QString &path, addedScanDirs)
         ScanFoldersModel::instance()->removePath(path);
+    ScanFoldersModel::instance()->configure(); // reloads "removed" paths
     delete scrollArea_advanced->layout();
     delete advancedSettings;
 }
@@ -418,8 +419,10 @@ void options_imp::saveOptions()
     pref->useAdditionDialog(useAdditionDialog());
     pref->additionDialogFront(checkAdditionDialogFront->isChecked());
     pref->addTorrentsInPause(addTorrentsInPause());
+    ScanFoldersModel::instance()->removeFromFSWatcher(removedScanDirs);
     ScanFoldersModel::instance()->addToFSWatcher(addedScanDirs);
     ScanFoldersModel::instance()->makePersistent();
+    removedScanDirs.clear();
     addedScanDirs.clear();
     pref->setTorrentExportDir(getTorrentExportDir());
     pref->setFinishedTorrentExportDir(getFinishedTorrentExportDir());
@@ -1236,7 +1239,11 @@ void options_imp::on_removeScanFolderButton_clicked()
     if (selected.isEmpty())
         return;
     Q_ASSERT(selected.count() == ScanFoldersModel::instance()->columnCount());
-    ScanFoldersModel::instance()->removePath(selected.first().row());
+    foreach (const QModelIndex &index, selected) {
+        if (index.column() == ScanFoldersModel::WATCH)
+            removedScanDirs << index.data().toString();
+    }
+    ScanFoldersModel::instance()->removePath(selected.first().row(), false);
 }
 
 void options_imp::handleScanFolderViewSelectionChanged()

src/gui/options_imp.h

@@ -172,6 +172,7 @@ private:
     QAbstractButton *applyButton;
     AdvancedSettings *advancedSettings;
     QList<QString> addedScanDirs;
+    QList<QString> removedScanDirs;
     // SSL Cert / key
     QByteArray m_sslCert, m_sslKey;
 };