[Qt-interest] QProgressBar kind of functionality with QProgressDialog (Size of file being copied not known)

Usman Ajmal uzmanajmal at gmail.com
Wed May 27 12:45:38 CEST 2009


Thanks Chandru and Andreas. Trying Chandru's suggestion now.

On Wed, May 27, 2009 at 3:15 PM, Chandru... <sekarwagmare at gmail.com> wrote:

> then create your own QProgressDialog .. design a new dialog with the
> QProgressBar() and some other widgets u need ..
>       show() the dialog at the particular instance and hide()  it...
>
> On Wed, May 27, 2009 at 3:16 PM, Andreas Pakulat <apaku at gmx.de> wrote:
>
>> On 27.05.09 13:13:33, Usman Ajmal wrote:
>> > I read the documentation. And as i pointed out in my first mail...i used
>> > QProgress with minimum and maximum equal to zero, and it worked fine.
>> But i
>> > don't want a progress bar embedded in my GUI.
>> >
>> > I want a separate window or dialog to appear showing a progress bar with
>> a
>> > busy indicatior. QProgressDialog provides the dialog but the setMinimum
>> and
>> > setMaximum equal to zero is not giving the desired result.
>> >
>> > I hope i made myself clear.
>>
>> Then don't block the gui thread by doing someting like:
>>
>> while( s = readSomeLine() != "" ) {
>>        dosomething();
>> }
>>
>> Your original code has such a while loop just after creating the dialog,
>> apart from not calling show() on the dialog either. So no wonder you don't
>> see anything. Either split up the reading into chunks and schedule them
>> via
>> a timer, or move the reading into a separate thread - and don't forget to
>> show the dialog.
>>
>> Andreas
>>
>> --
>> You are always busy.
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>
>
>
> --
> WAGMARE
>
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