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List:       kde-devel
Subject:    Re: Inconsistent behaviour of KAction + keyPressEvent
From:       Alexander Schunk <alexander_schunk () yahoo ! de>
Date:       2004-02-16 20:56:27
Message-ID: 20040216205627.81384.qmail () web42006 ! mail ! yahoo ! com
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Hi,

i have read about this problem in the linux magazine. 
The point is that, there are, of course, standardized
reactions for keypressings in kAction but if you use a
box linux system, it may be possible that some of the
shortcuts have been redefined by your distributor and,
whats worse, there are concurring shortcuts in some
applications, that is, if you press a shortcut, two
actions will happen at the same time.

However, this is not your fault, but may be your
distributions fault.
Cheers.
Alexander

 --- Waldo Bastian <bastian@kde.org> schrieb: >
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> 
> On Mon February 16 2004 18:52, Albert Astals Cid
> wrote:
> > Let me explain what i think is a inconsistent
> behaviour of KAction +
> > keyPressEvent but may also be a shortcoming in my
> knowledge of kde / qt
> >
> > I have a kmainwindow with a widget that inherits
> from klineedit inside. In
> > the kmainwindow i have created 4 kactions that
> react to key presses of the
> > arrow keys. (in the example connected to update()
> but in my code connected
> > to another slot)
> >
> > In the class that inherits from klineedit, i have
> reimplemented
> > keyPressEvent making it printf to the shell text
> each time a key is
> > pressed.
> >
> > The strange behaviour comes when left and right
> arrows produce the text but
> > up and down do not. If i remove the kactions up
> and down produce the text
> > also.
> >
> > Any tip?
> 
> See QEvent::AccelOverride and QLineEdit::event()
> 
> AccelOverride is sent before the actual key event,
> if a widget accepts the 
> AccelOverride event the key is send to that widget
> and does not end up with 
> any Q/KAccel.
> 
> Cheers,
> Waldo
> - -- 
> bastian@kde.org -=|[ SUSE, The Linux Desktop Experts
> ]|=- bastian@suse.com
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> =gaOs
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> 
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