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Starting the timer

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  • A Offline
    A Offline
    AnilHassan
    wrote on last edited by
    #1

    Hey everyone i was making a simple audio recorder for my desktop. I thought using a QTimer class to start and stop timer and QTime class to make hours, mins, secs. But i later realized that i want hours to extend even after the value = 60. I have a format witth label "00:00:00". Starting from left i want secs, mins to function as usual but i want to extend hours to go on forever untill user stop the timer. Please help.

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    • S Offline
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      Santosh Reddy
      wrote on last edited by
      #2

      QTime will roll over the hours after 24 hours, you can never reach 60 hours, you can use QDateTime instead, call @int QDateTime::secsTo ( const QDateTime & other ) const@ and convert into seconds to mins and hours.

      SS

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      • A Offline
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        AnilHassan
        wrote on last edited by
        #3

        !http://www.facebook.com/photo.php?fbid=386687634753876&set=a.386687644753875.90664.100002379275458&type=1&relevant_count=1&ref=nf()!

        Hi, I want the timer format like above format "Days:Hours:Min:Secs". Please Help

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        • K Offline
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          koahnig
          wrote on last edited by
          #4

          For determining time spans you can check out posts with "qtimespan":http://qt-project.org/search/tag/qtimespan tag. There is some activity, but it did not make to the "last release (see here).":http://qt-project.org/forums/viewthread/3228/
          The development source is available "here":http://gitorious.org/qtimespandevel

          Vote the answer(s) that helped you to solve your issue(s)

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          • D Offline
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            DerManu
            wrote on last edited by
            #5

            [quote author="Anil Kumar" date="1357474937"]
            Hi, I want the timer format like above format "Days:Hours:Min:Secs". Please Help[/quote]

            I don't see the problem. Santosh Reddy's post and some very basic maths solves the problem. What more is there?

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            • S Offline
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              scroverty
              wrote on last edited by
              #6

              He seems new to Qt lib I suppose...Or maybe he wanted a widget?

              Alvis Ar'Berkeley Andrew.
              Pleased to meet you!

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              • A Offline
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                AnilHassan
                wrote on last edited by
                #7

                Oh! I have just started over in middle of the 2012. I hope i'm learning. But check out the software written by me. "Code Timer":https://sourceforge.net/projects/codetimer/ Jan 15th or so because i have not uploaded anything. I have to design a application icon and then say am i not suppose to know a widget. Thanks

                [quote author="A.A.B.A" date="1357503392"]He seems new to Qt lib I suppose...Or maybe he wanted a widget?[/quote]

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                  DerManu
                  wrote on last edited by
                  #8

                  [quote author="Anil Kumar" date="1357572353"]"Code Timer":https://sourceforge.net/projects/codetimer/[/quote]Heh, so you press the start button, then start "learning" the language, and then press the stop button? That's a rather peculiar idea of learning a programming language ;). In my opinion, you can set that time to numeric_limits<double>::infinity() right away.
                  But the program itself surely is a good exercise for learning programming. So yeah... good job! :)

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