Qt: MainWindow::dropEvent fixes.

Limit our dropped file count to 100. Make sure we always accept our
proposed action and either accept or ignore the event. Blind attempt at
fixing bug 14609.

Change-Id: Id08b179b6eb63529aa15bce7284460fbd19f7fec
Ping-Bug: 14609
Reviewed-on: https://code.wireshark.org/review/27462
Petri-Dish: Gerald Combs <gerald@wireshark.org>
Tested-by: Petri Dish Buildbot
Reviewed-by: Gerald Combs <gerald@wireshark.org>

1 files changed, 8 insertions, 1 deletions

diff --git a/ui/qt/main_window.cpp b/ui/qt/main_window.cpp
index 60df683ffc..77a9668f2f 100644
--- a/ui/qt/main_window.cpp
+++ b/ui/qt/main_window.cpp
@@ -989,19 +989,26 @@ void MainWindow::dragEnterEvent(QDragEnterEvent *event)
 void MainWindow::dropEvent(QDropEvent *event)
 {
     QList<QByteArray> local_files;
+    int max_dropped_files = 100; // Arbitrary
 
     foreach (QUrl drop_url, event->mimeData()->urls()) {
         QString drop_file = drop_url.toLocalFile();
         if (!drop_file.isEmpty()) {
             local_files << drop_file.toUtf8();
+            if (local_files.size() >= max_dropped_files) {
+                break;
+            }
         }
     }
 
+    event->acceptProposedAction();
+
     if (local_files.size() < 1) {
+        event->ignore();
         return;
     }
-    event->acceptProposedAction();
 
+    event->accept();
 
     if (local_files.size() == 1) {
         openCaptureFile(local_files.at(0));