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-rw-r--r--src/plugins/platforms/cocoa/qmacclipboard.mm12
1 files changed, 12 insertions, 0 deletions
diff --git a/src/plugins/platforms/cocoa/qmacclipboard.mm b/src/plugins/platforms/cocoa/qmacclipboard.mm
index e09bb1e362..f3467fdc73 100644
--- a/src/plugins/platforms/cocoa/qmacclipboard.mm
+++ b/src/plugins/platforms/cocoa/qmacclipboard.mm
@@ -139,10 +139,22 @@ OSStatus QMacPasteboard::promiseKeeper(PasteboardRef paste, PasteboardItemID id,
const long promise_id = (long)id;
// Find the kept promise
+ QList<QMacInternalPasteboardMime*> availableConverters
+ = QMacInternalPasteboardMime::all(QMacInternalPasteboardMime::MIME_ALL);
const QString flavorAsQString = QString::fromCFString(flavor);
QMacPasteboard::Promise promise;
for (int i = 0; i < qpaste->promises.size(); i++){
QMacPasteboard::Promise tmp = qpaste->promises[i];
+ if (!availableConverters.contains(tmp.convertor)) {
+ // promise.converter is a pointer initialized by the value found
+ // in QMacInternalPasteboardMime's global list of QMacInternalPasteboardMimes.
+ // We add pointers to this list in QMacInternalPasteboardMime's ctor;
+ // we remove these pointers in QMacInternalPasteboardMime's dtor.
+ // If tmp.converter was not found in this list, we probably have a
+ // dangling pointer so let's skip it.
+ continue;
+ }
+
if (tmp.itemId == promise_id && tmp.convertor->canConvert(tmp.mime, flavorAsQString)){
promise = tmp;
break;