[Qt-interest] QTableWidget continuous updates and gui freeze

[Riccardo Roasio]

So how you solve it?


2011/7/15 prashant bhutani <prashant.bhutani.cse08 at itbhu.ac.in>:
>
> On Fri, Jul 15, 2011 at 4:59 PM, Riccardo Roasio <riccardo.roasio at gmail.com>
> wrote:
>>
>> But you had the same problem when you repeatly update the QTableWidget?
>
> yeah, problem was there no matter how many times I update QTableWidget. At
> that time, it looked like that QTableWidget requires not to be the focused
> widget while being refreshed.
>>
>> 2011/7/15 prashant bhutani <prashantbhutani2008 at gmail.com>:
>> >
>> > On Fri, Jul 15, 2011 at 12:44 PM, Riccardo Roasio
>> > <riccardo.roasio at gmail.com> wrote:
>> >>
>> >> Why you talk of model? i'm not using a model/view structure.
>> >>
>> >> simply a thread that insert a value into a QList and emit a signal to
>> >> ask the mainwindow to refresh the QTableWidget derived class
>> >>
>> >> Riccardo
>> >>
>> >> 2011/7/14 Bill Crocker <william.crocker at analog.com>:
>> >> > Riccardo Roasio wrote:
>> >> >> Hi,
>> >> >>
>> >> >> i have a QTableWidget derived class that receive update events from
>> >> >> a
>> >> >> thread reading from a serial line.
>> >> >> I noticed that on high traffic there are so many updates request
>> >> >> thata
>> >> >> the gui seems to freeze showing nothing...
>> >> >>
>> >> >>
>> >> >> How can i solve this problem?
>> >
>> > I had the same problem when I tried to refresh QTableWidget but since I
>> > was
>> > using QTabWidget and one of the tab has QTableWidget, I simply toggled
>> > between tabs after refreshing QTableWidget and the table was refreshed.
>> > Though, its not a perfect solution but worked for me.
>> >>
>> >> >>
>> >> >
>> >> > Yield the receiving thread.
>> >> >
>> >> >> Thanks,
>> >> >> Riccardo
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