[Kde-imaging] [Bug 135484] Thumbnail generation for multible images can cause severe overload

Marcel Wiesweg marcel.wiesweg at gmx.de
Thu Oct 12 13:56:26 CEST 2006


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http://bugs.kde.org/show_bug.cgi?id=135484         




------- Additional Comments From marcel.wiesweg gmx de  2006-10-12 13:56 -------
This is very strange to me. What should be the reason for this? I postEvent(QObject *receiver, QEvent*) with a very specific receiver. The QObject::event implementation of QWidget might propagate certain events (key, mouse) up the parent hierarchy. But a general check for receiver->parent() with QCustomEvents? I wouldn't expect it even in an alpha version of Qt ;-)

Moreover, sending signals is independent from event delivery (only in Qt4 we will enjoy queued connections).

Let me try to investigate this with Gerhard, if the main thread hangs somewhere, if events really are not delivered.


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