StopWatch Timer

 

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Here"s a quick and easy stopwatch timer you can use for a digital counter. Drop it onto a text or field sprite, and let it go. Start counting automatically, or control it with Lingo. Get the elapsed seconds via the mGetTime method.

-- Stop Watch Timer Behavior -- v1.0 73199 -- ©1999 Robert K Wingate -- Here"s a quick and easy stopwatch timer | -- you can use for a digital counter. Drop | -- it onto a text or field sprite, and let | -- it go. Start counting automatically, or | -- control it with Lingo. Get the elapsed  | -- seconds via the mGetTime method         | --                                         | -- This code is emailware. If you use it,  | -- email me.  What could be cheaper?       | -- Send comments to rwingate@mindmagic.com | -------------------------------------------- property fTicking property spriteNum, kStartTime property iLastTime ----------------------- on beginSprite me   -- initialize variables and the display   kStartTime = the milliSeconds   iLastTime = 0   mSetCounter me, ":00" end ----------------------- on exitFrame me   -- Check to see if a full seconds has elapsed.   -- If so, format the new time & fill the field   if fTicking then     tix = ( the milliSeconds - kStartTime ) / 1000     if tix <> iLastTime then       mSetCounter me, mGetStopWatchTime ( me, tix )       iLastTime = tix     end if   end if end ----------------------- on mSetCounter me, displayStr   -- dump the formatted counter display to the field   sprite(spriteNum).member.text = displayStr end ----------------------- on mGetStopWatchTime me, tim   -- format the time into a readable text string   hrs = tim /   3600   tim = tim mod 3600   myn = tim /   60   tim = tim mod 60   sec = mPadIfNecessary ( me, tim )      case ( TRUE ) of     ( hrs > 0 ): return hrs & ":" & myn & ":" & sec     ( myn > 0 ): return             myn & ":" & sec     otherwise    return                   ":" & sec   end case end ----------------------- on mPadIfNecessary me, sec   -- private method called by mGetStopWatchTime to   -- aid in formatting digital counter string   secStr = string ( sec )   if secStr.chars.count = 1 then return "0" & secStr   return secStr end ----------------------- on mStartCounting me   -- public method. Turns counting on   kStartTime = the milliSeconds   if not fTicking then fTicking = TRUE end ----------------------- on mStopCounting me   -- public method. Turns counting off   fTicking = FALSE end ----------------------- on mGetTime me   -- public accessor method. Call it from outside to get   -- the current seconds elapsed since counting started   return iLastTime end ----------------------- on getPropertyDescriptionList   -- make sure it"s been dragged onto a field   if not the currentSpriteNum then exit   myType = sprite(the currentSpriteNum).member.type   case ( myType ) of     #field, #text:     otherwise:       err = "This behavior requires text entry. Clear it from this"       err = err && "sprite, then drag it onto a field or text sprite."       alert err       exit   end case      ls = [:]   addProp ls, #fTicking, [ #comment:"Start stopwatch on beginSprite?",¬               #format:#boolean, #default:FALSE ]   return ls end ----------------------- on getBehaviorDescription me   txt = "Drag this behavior onto a field sprite to turn it"   txt = txt && "into a stopwatch counter. Use Lingo"s"   txt = txt && QUOTE & "sendSprite ( whichSprite, #message )"   txt = txt & QUOTE && "syntax with the behavior"s mStartCounting"   txt = txt && "methods to turn the stopwatch on and off."   return txt end