gui: mainwindow: remove dead code and unused members

gui/mainwindow.cpp

@@ -30,9 +30,7 @@ MainWindow::MainWindow(QWidget *parent) :
         throw std::runtime_error("Failed to open database");
     }
     connectSignals();
-    searchThread.start();
     ui->treeResultsList->setContextMenuPolicy(Qt::ContextMenuPolicy::CustomContextMenu);
-
     ui->tabWidget->setCurrentIndex(0);
     ui->statusBar->addWidget(ui->lblSearchResults);
     ui->statusBar->addWidget(ui->pdfProcessBar);
@@ -44,7 +42,6 @@ MainWindow::MainWindow(QWidget *parent) :
 void MainWindow::connectSignals()
 {
     connect(ui->txtSearch, &QLineEdit::returnPressed, this, &MainWindow::lineEditReturnPressed);
-   // connect(this, &MainWindow::beginSearch, searchWorker, &SearchWorker::search);
     connect(&searchWatcher, &QFutureWatcher<SearchResult>::finished, this, [&]{
         try
         {
@@ -61,12 +58,7 @@ void MainWindow::connectSignals()
     connect(&pdfWorkerWatcher, &QFutureWatcher<PdfPreview>::resultReadyAt, this, [&](int index) {
         pdfPreviewReceived(pdfWorkerWatcher.resultAt(index));
     });
-
     connect(&pdfWorkerWatcher, &QFutureWatcher<PdfPreview>::progressValueChanged, ui->pdfProcessBar, &QProgressBar::setValue);
-
-
-   // connect(searchWorker, &SearchWorker::searchCancelled, this, &MainWindow::handleCancelledSearch);
-  //  connect(searchWorker, &SearchWorker::searchError, this, &MainWindow::handleSearchError);
     connect(ui->treeResultsList, &QTreeWidget::itemActivated, this, &MainWindow::treeSearchItemActivated);
     connect(ui->treeResultsList, &QTreeWidget::customContextMenuRequested, this, &MainWindow::showSearchResultsContextMenu);
     connect(ui->tabWidget, &QTabWidget::currentChanged, this, &MainWindow::tabChanged);
@@ -223,11 +215,6 @@ void MainWindow::makePdfPreview()
 }
 
 
-void MainWindow::handleCancelledSearch()
-{
-
-}
-
 void MainWindow::handleSearchError(QString error)
 {
     ui->lblSearchResults->setText("Error:"  + error);

gui/mainwindow.h

@@ -28,23 +28,19 @@ private:
     QFileIconProvider iconProvider;
     bool pdfDirty;
     QSqlDatabase db;
-    QFuture<QVector<SearchResult>> searchFuture;
     QFutureWatcher<QVector<SearchResult>> searchWatcher;
     QFutureWatcher<PdfPreview> pdfWorkerWatcher;
     void add(QString path, unsigned int page);
-    QThread searchThread;
-    QThread pdfWorkerThread;
     QVector<SearchResult> pdfSearchResults;
     void connectSignals();
     void makePdfPreview();
     bool pdfTabActive();
     void keyPressEvent(QKeyEvent *event) override;
     unsigned int processedPdfPreviews;
+    void handleSearchResults(const QVector<SearchResult> &results);
+    void handleSearchError(QString error);
 private slots:
     void lineEditReturnPressed();
-    void handleSearchResults(const QVector<SearchResult> &results);
-    void handleCancelledSearch();
-    void handleSearchError(QString error);
     void treeSearchItemActivated(QTreeWidgetItem *item, int i);
     void showSearchResultsContextMenu(const QPoint &point);
     void tabChanged();