Qt-interest Archive, May 2007
[qt 4.2.2] QAction / QShortcut - slot called twice - if no breakpoint set in slot
Message 1 in thread
Hi there,
I've experienced an amazingly strange behaviour concerning a shortcut. I
create it within a widget like this:
QShortcut* stepForwardShortCut = new QShortcut(QKeySequence(Qt::CTRL +
Qt::Key_I), this);
connect(stepForwardShortCut, SIGNAL(activated()), this,
SLOT(stepForwardOneFrame2()));
The slot 'stepForwardOneFrame2' is definitely not connected twice in
this code. Here's the problem: When I execute the program and press the
shortcut's keys, the slots get called twice (!) - no idea why. However,
when I put a breakpoint in the slot, it only gets executed once.
Has anybody seen anything like that before? I've also tried to use a
QAction instead
stepForwardAction->setShortcut(QKeySequence(Qt::CTRL +
Qt::RightArrow));
to no avail. Same as defining the shortcut "QKeySequence("Ctrl+I")".
Same strange behaviour. Is there another way to do it?
Any idea might help (how to solve or find out more), I hope it's just a
silly fault on my part,
thanks in advance,
r.
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Rene Kaiser
Institute of Information Systems & Information Management
JOANNEUM RESEARCH Forschungsgesellschaft mbH
Steyrergasse 17, A-8010 Graz, AUSTRIA
phone: +43-316-876-1173 fax: +43-316-876-1191
web: http://www.joanneum.at/iis
e-mail: mailto:rene.kaiser@xxxxxxxxxxx
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