[Qt-interest] how do use the timer to calculate the timeduration

[Scott Aron Bloom]

Your not getting it...

 

We are not here to be your code monkees... We get paid by our
bosses/clients to be code monkees.

 

Please, read the documentation... Create a testcase that shows the
bugs..   But try to solve it yourself.

 

Asking more and more questions will only get you on people's ignore
list...

 

Sending personal emails to us, will also achieve the same issue.

 

Scott

 

 

From: qt-interest-bounces at trolltech.com
[mailto:qt-interest-bounces at trolltech.com] On Behalf Of Yuvaraj R
Sent: Monday, June 22, 2009 12:17 PM
To: Ferenc Stelcz; qt-interest
Subject: Re: [Qt-interest] how do use the timer to calculate the
timeduration

 

 

 

As per my requirement..

 

When i am clicking the accept call button that time timer will be
starting..

 

When i am clicking the end call  button that time time will be stoping.

 

if i use the timer->elapsed( method.. it gives the one call duration
time only..

 

if i calculate duration for next call , it keep on running ,,, it is not
resetting ...

 

How do stop the timer,if once i click the end call button

On Tue, Jun 23, 2009 at 12:36 AM, Ferenc Stelcz <ferenc at stelcz.hu>
wrote:

Yuvaraj R wrote:
> Hi
>
>  how do i stop the timer...
>
> once i calculated the time...
>
> there is no methed to stop the timer
> On Mon, Jun 22, 2009 at 11:29 PM, Ferenc Stelcz <ferenc at stelcz.hu>
wrote:
>
>>  Yuvaraj R wrote:
>>> Hi All
>>>
>>> I want to calculate the  task completion time..
>>>
>>>   So   How do use the timer to calculate the time duration..
>>>
>>>
>>> Thanks
>>>
>>> Yuvaraj R
>>>
>> There are more and more of "your" ermmm.. kind of "developers"... :D
>>
>> Assistant -> Search -> "QTime" -> void QTime::start();
>>
>> from the 2nd line:
>>
>> QTime t;
>> t.start();
>> some_lengthy_task();
>> qDebug("Time elapsed: %d ms", t.elapsed());
>>

Please do NOT reply to me personally! PLEASE reply to the list at the
address:
qt-interest at trolltech.com and NOT qt-interest-subscribe at trolltech.com.

As for your question:

How would you do it in plain C++?

You call t.start() then an ??internal timer?? gets started. (I'm have
almost
never had a look at Qt's internal source, so you'll be at your own from
this
point...) As soon as you call t.elapsed() this timer is stopped and the
time
difference in milliseconds between the start and finish time is
returned. You
don't have to stop it. It's done for you!

so:

QTime t;
t.start();
/*
       do
       your
       job
       here
*/
qDebug("My job took ( %d ) milliseconds to execute.", t.elapsed());


--
Ferenc Stelcz
Junior Software Engineer

Banyan Technologies LLC.


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