Enable drag n drop to create torrent on mainwindow

src/gui/mainwindow.cpp

@@ -1068,11 +1068,16 @@ void MainWindow::closeEvent(QCloseEvent *e)
 
 // Display window to create a torrent
 void MainWindow::on_actionCreateTorrent_triggered()
+{
+    createTorrentTriggered();
+}
+
+void MainWindow::createTorrentTriggered(const QString &path)
 {
     if (m_createTorrentDlg)
         m_createTorrentDlg->setFocus();
     else
-        m_createTorrentDlg = new TorrentCreatorDlg(this);
+        m_createTorrentDlg = new TorrentCreatorDlg(this, path);
 }
 
 bool MainWindow::event(QEvent *e)
@@ -1126,6 +1131,8 @@ bool MainWindow::event(QEvent *e)
 void MainWindow::dropEvent(QDropEvent *event)
 {
     event->acceptProposedAction();
+
+    // remove scheme
     QStringList files;
     if (event->mimeData()->hasUrls()) {
         const QList<QUrl> urls = event->mimeData()->urls();
@@ -1142,15 +1149,34 @@ void MainWindow::dropEvent(QDropEvent *event)
         files = event->mimeData()->text().split('\n');
     }
 
-    // Add file to download list
+    // differentiate ".torrent" files and others
+    QStringList torrentFiles, otherFiles;
+    foreach (const QString &file, files) {
+        if (file.endsWith(".torrent", Qt::CaseInsensitive))
+            torrentFiles << file;
+        else
+            otherFiles << file;
+    }
+
+    // Download torrents
     const bool useTorrentAdditionDialog = AddNewTorrentDialog::isEnabled();
-    foreach (QString file, files) {
+    foreach (const QString &file, torrentFiles) {
         qDebug("Dropped file %s on download list", qPrintable(file));
         if (useTorrentAdditionDialog)
             AddNewTorrentDialog::show(file, this);
         else
             BitTorrent::Session::instance()->addTorrent(file);
     }
+    if (!torrentFiles.isEmpty()) return;
+
+    // Create torrent
+    foreach (const QString &file, otherFiles) {
+        createTorrentTriggered(file);
+
+        // currently only hande the first entry
+        // this is a stub that can be expanded later to create many torrents at once
+        break;
+    }
 }
 
 // Decode if we accept drag 'n drop or not

src/gui/mainwindow.h

@@ -202,6 +202,7 @@ private:
     bool event(QEvent *e) override;
     void displayRSSTab(bool enable);
     void displaySearchTab(bool enable);
+    void createTorrentTriggered(const QString &path = QString());
 
     Ui::MainWindow *m_ui;