diff options
| -rw-r--r-- | src/plugins/platforms/cocoa/qnswindowdelegate.mm | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/plugins/platforms/cocoa/qnswindowdelegate.mm b/src/plugins/platforms/cocoa/qnswindowdelegate.mm index 087cb3651f..9502a315d8 100644 --- a/src/plugins/platforms/cocoa/qnswindowdelegate.mm +++ b/src/plugins/platforms/cocoa/qnswindowdelegate.mm @@ -51,7 +51,9 @@ static QRegExp whitespaceRegex = QRegExp(QStringLiteral("\\s*")); static QCocoaWindow *toPlatformWindow(NSWindow *window) { - return qnsview_cast(window.contentView).platformWindow; + if ([window conformsToProtocol:@protocol(QNSWindowProtocol)]) + return static_cast<QCocoaNSWindow *>(window).platformWindow; + return nullptr; } @implementation QNSWindowDelegate |