Don't forget to delete TorrentContentAdaptor instance

PR qbittorrent#19825.
Closes qbittorrent#19816.

Author: glassez

src/gui/addnewtorrentdialog.cpp

@@ -767,7 +767,7 @@ void AddNewTorrentDialog::contentLayoutChanged()
 
     const auto contentLayout = static_cast<BitTorrent::TorrentContentLayout>(m_ui->contentLayoutComboBox->currentIndex());
     m_contentAdaptor->applyContentLayout(contentLayout);
-    m_ui->contentTreeView->setContentHandler(m_contentAdaptor); // to cause reloading
+    m_ui->contentTreeView->setContentHandler(m_contentAdaptor.get()); // to cause reloading
 }
 
 void AddNewTorrentDialog::saveTorrentFile()
@@ -992,7 +992,7 @@ void AddNewTorrentDialog::setupTreeview()
     if (m_torrentParams.filePaths.isEmpty())
         m_torrentParams.filePaths = m_torrentInfo.filePaths();
 
-    m_contentAdaptor = new TorrentContentAdaptor(m_torrentInfo, m_torrentParams.filePaths, m_torrentParams.filePriorities);
+    m_contentAdaptor = std::make_unique<TorrentContentAdaptor>(m_torrentInfo, m_torrentParams.filePaths, m_torrentParams.filePriorities);
 
     const auto contentLayout = static_cast<BitTorrent::TorrentContentLayout>(m_ui->contentLayoutComboBox->currentIndex());
     m_contentAdaptor->applyContentLayout(contentLayout);
@@ -1013,7 +1013,7 @@ void AddNewTorrentDialog::setupTreeview()
         m_contentAdaptor->prioritizeFiles(priorities);
     }
 
-    m_ui->contentTreeView->setContentHandler(m_contentAdaptor);
+    m_ui->contentTreeView->setContentHandler(m_contentAdaptor.get());
 
     m_filterLine->blockSignals(false);
 

src/gui/addnewtorrentdialog.h

@@ -116,7 +116,7 @@ private slots:
     void showEvent(QShowEvent *event) override;
 
     Ui::AddNewTorrentDialog *m_ui = nullptr;
-    TorrentContentAdaptor *m_contentAdaptor = nullptr;
+    std::unique_ptr<TorrentContentAdaptor> m_contentAdaptor;
     BitTorrent::MagnetUri m_magnetURI;
     BitTorrent::TorrentInfo m_torrentInfo;
     int m_savePathIndex = -1;