Fix "Append Label to Save path" on Windows

src/misc.cpp

@@ -422,13 +422,17 @@ void misc::chmod644(const QDir& folder) {
   }
 }
 
-QString misc::updateLabelInSavePath(const QString& defaultSavePath, const QString &save_path, const QString &old_label, const QString &new_label) {
+QString misc::updateLabelInSavePath(QString defaultSavePath, QString save_path, const QString &old_label, const QString &new_label) {
   if(old_label == new_label) return save_path;
+#if defined(Q_WS_WIN) || defined(Q_OS_OS2)
+  defaultSavePath.replace("\\", "/");
+  save_path.replace("\\", "/");
+#endif
   qDebug("UpdateLabelInSavePath(%s, %s, %s)", qPrintable(save_path), qPrintable(old_label), qPrintable(new_label));
   if(!save_path.startsWith(defaultSavePath)) return save_path;
   QString new_save_path = save_path;
   new_save_path.replace(defaultSavePath, "");
-  QStringList path_parts = new_save_path.split(QDir::separator(), QString::SkipEmptyParts);
+  QStringList path_parts = new_save_path.split("/", QString::SkipEmptyParts);
   if(path_parts.empty()) {
     if(!new_label.isEmpty())
       path_parts << new_label;

src/misc.h

@@ -128,7 +128,7 @@ public:
   static QString truncateRootFolder(boost::intrusive_ptr<libtorrent::torrent_info> t);
   static QString truncateRootFolder(libtorrent::torrent_handle h);
 
-  static QString updateLabelInSavePath(const QString& defaultSavePath, const QString &save_path, const QString &old_label, const QString &new_label);
+  static QString updateLabelInSavePath(QString defaultSavePath, QString save_path, const QString &old_label, const QString &new_label);
 
   static bool sameFiles(const QString &path1, const QString &path2);
   static bool isUrl(const QString &s);

src/torrentadditiondlg.cpp

@@ -504,10 +504,22 @@ void torrentAdditionDialog::updateDiskSpaceLabels() {
 void torrentAdditionDialog::on_browseButton_clicked(){
   Q_ASSERT(!is_magnet);
   QString new_path;
+  QString root_folder;
+  const QString label_name = comboLabel->currentText();
   if(t->num_files() == 1) {
     new_path = QFileDialog::getSaveFileName(this, tr("Choose save path"), savePathTxt->currentText(), QString(), 0, QFileDialog::DontConfirmOverwrite);
+    if(!new_path.isEmpty()) {
+      QStringList path_parts = new_path.replace("\\", "/").split("/");
+      const QString filename = path_parts.takeLast();
+      // Append label
+      if(QDir(path_parts.join(QDir::separator())) == QDir(defaultSavePath) && !label_name.isEmpty())
+        path_parts << label_name;
+      // Append file name
+      path_parts << filename;
+      // Construct new_path
+      new_path = path_parts.join(QDir::separator());
+    }
   } else {
-    QString root_folder;
     QString truncated_path = getCurrentTruncatedSavePath(&root_folder);
     if(!truncated_path.isEmpty() && QDir(truncated_path).exists()){
       new_path = QFileDialog::getExistingDirectory(this, tr("Choose save path"), truncated_path);
@@ -519,7 +531,6 @@ void torrentAdditionDialog::on_browseButton_clicked(){
       if(path_parts.last().isEmpty())
         path_parts.removeLast();
       // Append label
-      const QString label_name = comboLabel->currentText();
       if(QDir(new_path) == QDir(defaultSavePath) && !label_name.isEmpty())
         path_parts << label_name;
       // Append root folder