[Qt-interest] How to make the Button response quickly?

[Kermit Mei]

André Somers wrote:
> Hi,
>
> "Kermit Mei" <kermit.mei at gmail.com> schreef in bericht 
> news:49AAAC96.1090601 at gmail.com...
>   
>> Hello, When I click the button(a common QPushButton), slot pronounce()
>> will be called. It is defined as the following:
>>
>> void ScannerWidget::pronounce(){
>>    QDir wordPath(realPeople.absolutePath().append("/").append(word[0]));
>>    qDebug(wordPath.absolutePath().toStdString().c_str());
>>    QProcess::execute(playCmd,
>>            QStringList(wordPath.absoluteFilePath(word+".wav")));
>> }
>>
>> When the words be pronouncing by another program called by QProcess,
>> the button which I clicked is "down" (I can't clicked it whthin a short 
>> time),
>> and it must wait for process, then it can "up".
>>
>> How can I make the pushButton "up" as well as the others ?
>> And,  in fact, I just want to pronounce a word when the last haven't 
>> finished.
>>     
>
> The documentation on QProcess::execute reads:
> "Starts the program program with the arguments arguments in a new process, 
> WAITS FOR IT TO FINISH, and then returns the exit code of the process. Any 
> data the new process writes to the console is forwarded to the calling 
> process." (Caps are mine)
>
> You want to have asynchronous execution. Maybe QProcess::startDetached is 
> what you are after?
>
> André
>
>   
Thank you, that's just what I wanted;p
>  
>
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