Add generating thumbnails from cmd line

mainwindow.cpp

@@ -327,22 +327,6 @@ MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent)
 
     _lastDir = settings.value("mainwindow/lastdir", _lastDir).toString();
 
-    QStringList args = QCoreApplication::arguments();
-    args.removeFirst();
-    for(auto &arg : args)
-    {
-        QUrl url(arg);
-        QFileInfo info(url.isLocalFile() ? url.toLocalFile() : arg);
-        if(info.exists())
-        {
-            m_ringList->setFile(info.canonicalFilePath());
-            updateWindowTitle();
-            _lastDir = info.absoluteDir().absolutePath();
-            settings.setValue("mainwindow/lastdir", _lastDir);
-            break;
-        }
-    }
-
     m_image->setFocus();
 
     // workaround for nasty wayland backend bug https://bugreports.qt.io/browse/QTBUG-87332
@@ -565,6 +549,11 @@ void MainWindow::loadFile(const QString &path)
     }
 }
 
+void MainWindow::loadFiles(const QStringList &paths)
+{
+    m_ringList->setFiles(paths);
+}
+
 void MainWindow::loadFile(int row)
 {
     m_ringList->loadFile(row);