feat: search on return-press

QVectorSearch/mainwindow.cpp

@@ -159,3 +159,9 @@ void MainWindow::on_wordListSizeSelector_valueChanged(int) {
   search(ui->searchInput->displayText());
   QGuiApplication::restoreOverrideCursor();
 }
+
+void MainWindow::on_searchInput_returnPressed() {
+  QGuiApplication::setOverrideCursor(Qt::WaitCursor);
+  search(ui->searchInput->displayText());
+  QGuiApplication::restoreOverrideCursor();
+}

QVectorSearch/mainwindow.h

@@ -43,6 +43,7 @@ private slots:
   void on_searchAlgorithmSelector_currentIndexChanged(int);
   void on_wordListSourceSelector_currentIndexChanged(int);
   void on_wordListSizeSelector_valueChanged(int);
+  void on_searchInput_returnPressed();
 
 private:
   Ui::MainWindow *ui;