Tristan Van Berkom schrieb:
My guess is that your application is starving the whole computer, a mouse over is usually smart enough to not show any effects if the event arrives late, but a button click is a more serious event and will eventually get treated, even if its a second late.
I'm running the program on a dual core box and the problem persists when I stick to a single worker thread. Also all the other graphical components of my desktop (IDE, GNOME itself) are quite responsive.
Probably by sleeping a little bit in your worker thread or finding a way to be more cooperative everything will work more as expected.
I guess the latter will be the way to go, together with making the access to the GUI thread save 'by the book'.
Thanks for your input. Matthias Scheer
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