[PyKDE] Model-View application: view not updated
apaku at gmx.de
Sat Dec 16 18:45:36 GMT 2006
On 16.12.06 14:19:00, Sibylle Koczian wrote:
> "Andreas Pakulat" <apaku at gmx.de> schrieb:
> > On 15.12.06 16:17:21, Sibylle Koczian wrote:
> > > The problem is with the cancel button: the changed records are only
> > > changed back after the window lost focus - the view isn't updated
> > > directly after clicking the button. It _is_ updated after changing the
> > > spin box value - but only if it's a real change, not after changing and
> > > changing back again to the old value. I can't understand this, because
> > > in both cases the same method is called.
> > Hmm, I don't think I follow your description.
> I'll try again. The application is started and shows some records in a QTableView. I edit one or more of these records and decide to cancel my alterations. So I click on "cancel". No change in the view. Now I can do several things to get back the unedited records:
Ok, thanks now I do understand your problem. Unfortunately I can't
reproduce it here with your example application. After editing two cells
and clicking Cancel the view is updated to reflect the original data and
Signal modelReset empfangen
In the console, so its clearly working. What version of Qt4 are you
using? (I'm on 4.2.x here, where x is IIRC something around 2)
If you can't change your Qt version, try emitting the dataChanged
Signal with the top-left and bottom-right QModelIndex.
> BTW: Did you look at the
> > ready-made models for accessing SQL databases in Qt4?
> I didn't understand how to get the SQL support for Firebird.
Load the driver? I haven't compiled firebird support here, but it should
be as easy as that.
> Especially using Ubuntu which doesn't put Firebird in the standard place Qt4 expects it in.
Well, if firebird libs and includes are in different directories use the
-I and -L flags to Qt4's configure (or use the system-provided Qt4 if it
includes firebird support - which it should). For example I run
configure -I/usr/include/mysql -I/usr/include/postgresql
to get the mysql and postgresql driver built (am using plain Debian
Is this really happening?
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