Qt-interest Archive, April 2008
Problems with editor widgets
Message 1 in thread
Hello all,
I'm using qt 4.3 in a debian box on x86_64 and on a virtual windows box.
I'm developing a medium sized application, and I'm having some problems
with some widgets that simply don't display correctly.
On linux they simply don't show the caret (for qlineedit for example) and
they stay "highlighted" forever. But on windows they don't show at all,
or they show just parts of it, like the spinbox, that doesn't paint the
border neither the buttons.
The widgets causing troubles are mapped to a qwidgetdatamapper, and
that's all I can say, since I don't really know when the problem started
because Ijust noticed it recently.
I'm very new to qt, and some help would be greatly apreciated.
Thank's in advance, cheers
HernÃni
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Message 2 in thread
Tue, 15 Apr 2008 16:04:36 +0000, HernÃni Cerqueira escreveu:
> Hello all,
>
> I'm using qt 4.3 in a debian box on x86_64 and on a virtual windows box.
> I'm developing a medium sized application, and I'm having some problems
> with some widgets that simply don't display correctly.
>
> On linux they simply don't show the caret (for qlineedit for example)
> and they stay "highlighted" forever. But on windows they don't show at
> all, or they show just parts of it, like the spinbox, that doesn't paint
> the border neither the buttons.
>
> The widgets causing troubles are mapped to a qwidgetdatamapper, and
> that's all I can say, since I don't really know when the problem started
> because Ijust noticed it recently.
>
> I'm very new to qt, and some help would be greatly apreciated.
>
> Thank's in advance, cheers
> HernÃni
Found it, the problem was with a event filter...
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[ signature omitted ]
Message 3 in thread
Create a small compilable example that shows the problem. (Most likely, while stripping down your application, you'll notice that the problem goes away. That's the step where you can isolate what went wrong.) Possibly some "gone wild" pointer that is overwriting memory that doesn't belong to it.
I've never heard of problems like you describe there, so i suspect it's not really a Qt problem, but rather a side-effect of an unrelated bug in your code.
Cheers,
Peter
> -----Ursprüngliche Nachricht-----
> Von: Hernâni Cerqueira [mailto:hrcerqueira@xxxxxxxxx]
> Gesendet: Dienstag, 15. April 2008 18:05
> An: qt-interest@xxxxxxxxxxxxx
> Betreff: Problems with editor widgets
>
> Hello all,
>
> I'm using qt 4.3 in a debian box on x86_64 and on a virtual
> windows box.
> I'm developing a medium sized application, and I'm having
> some problems
> with some widgets that simply don't display correctly.
>
> On linux they simply don't show the caret (for qlineedit for
> example) and
> they stay "highlighted" forever. But on windows they don't
> show at all,
> or they show just parts of it, like the spinbox, that doesn't
> paint the
> border neither the buttons.
>
> The widgets causing troubles are mapped to a qwidgetdatamapper, and
> that's all I can say, since I don't really know when the
> problem started
> because Ijust noticed it recently.
>
> I'm very new to qt, and some help would be greatly apreciated.
>
> Thank's in advance, cheers
> Hernâni
>
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