Digital Video Button Control

 

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Digital Video Button Control Use on graphic sprites for Rewind, Pause, Play, Play/Pause (toggle), FastForward, and FastReverse digital video button controls Use in conjunction with the "Button With Rollover Effect" behavior Can also be used with the Cycle_Graphics behavior (just as the "Button With Rollover Effect" behavior can)

-- Digital Video Button Control -- Use on graphic sprites for Rewind, Pause, Play, Play/Pause (toggle), FastForward, and FastReverse digital video button controls -- Use in conjunction with the 'Button With Rollover Effect' behavior -- Can also be used with the Cycle_Graphics behavior (just as the 'Button With Rollover Effect' behavior can) on getBehaviorDescription me   return "DIGITAL VIDEO BUTTON CONTROL"&RETURN&RETURN&"Make the sprite act like a digital video button control."&RETURN&RETURN&"PARAMETERS:"&RETURN&"* Digital Video Sprite"&RETURN&"* Video Control Type (#rewind, #pause, #play, #playpause, #fastforward, #fastreverse)" end on getBehaviorTooltip me   return "Use with graphic sprites."&RETURN&RETURN&"Make the sprite act like a digital video button control."&RETURN&RETURN&"Use in conjunction with the 'Button With Rollover Effect' behavior."&RETURN&RETURN&"Use this behavior on a button to control a digital video"&RETURN"The button can be a Rewind, Pause, Play, Play/Pause (toggle), Scan FFW, or ScanRW control" end getBehaviorTooltip -- HISTORY -- -- May, 2000 by Scott Marion, Pinnacle Interactive property spritenum property pSprite             -- reference to my sprite property pMovieRate          -- current movie rate property cyclegraphics       -- am I currently cycling graphics property pActive             -- activity flag property pScanRate           -- rate to scan FFW and FRW property pPlayPause          -- used as a boolean toggle when control type is #playpause -------------------------------   (play=true, pause=false) -- user defined properties property pVideoSprite        -- sprite number of the digital video property pControlType        -- type of video control of this instance of the behavior --    (valid values : #rewind, #pause, #play, #playpause, #fastforward, #fastreverse) on beginSprite me   pSprite = sprite(me.spriteNum)      pMovieRate = 1  -- initalize to normal speed      if pControlType = #playpause then     pPlayPause =  not the pausedAtStart of member (sprite(pVideoSprite).member)   end if      pActive = false    end on prepareFrame me      mUpdateMe me    end on mUpdateMe me         case (pControlType) of            #play:       if sprite(pVideoSprite).movieRate = 0 then                  -- call cycleGraphics to turn off the play button         sendSprite((the spritenum of me), #CycleGraphics_ToggleLoop, false)                else                  -- see if the play button is currently cycling         -- if it is, we can ignore doing the cycle_graphics call                  if not the cyclegraphics of me then                      -- tell all other video controls to turn themselves off           sendAllSprites(#allVideoControlsTurnOff, me)                      -- call cycleGraphics to turn on the play button           sendSprite((the spritenum of me), #CycleGraphics_ToggleLoop, true)         end if                end if                   #pause:              if sprite(pVideoSprite).movieRate <> 0 then                  -- call cycleGraphics to turn off the pause button         sendSprite((the spritenum of me), #CycleGraphics_ToggleLoop, false)                else                  -- see if the pause button is currently cycling         -- if it is, we can ignore doing the cycle_graphics call                  if not the cyclegraphics of me then                      -- tell all other video controls to turn themselves off           sendAllSprites(#allVideoControlsTurnOff, me)                      -- call cycleGraphics to turn on the pause button           sendSprite((the spritenum of me), #CycleGraphics_ToggleLoop, true)         end if                end if                   #playpause:                          #fastforward:       if pActive then                  if the mouseDown then                      vTime = sprite(pVideoSprite).movieTime + pScanRate           if vTime > sprite(pVideoSprite).duration then             vTime = sprite(pVideoSprite).duration           end if           sprite(pVideoSprite).movieTime = vTime                    else           sprite(pVideoSprite).movieRate = pMovieRate           pActive = false           pScanRate = 0                    end if                end if            #fastreverse:       if pActive then                  if the mouseDown then                      vTime = sprite(pVideoSprite).movieTime - pScanRate           if vTime < 0 then             vTime = 0           end if           sprite(pVideoSprite).movieTime = vTime                    else           sprite(pVideoSprite).movieRate = pMovieRate           pActive = false           pScanRate = 0                    end if                end if          end case    end on mouseDown me      if the blend of sprite pSprite = 100 and not the cyclegraphics of me then          case (pControlType) of                #rewind:         pActive = true                         #pause:         pActive = true                         #play:         pActive = true                         #playpause:         pActive = true                         #fastforward:         -- scan fast forward         pMovieRate = sprite(pVideoSprite).movieRate         sprite(pVideoSprite).movieRate = 0         pScanRate = 60         vTime = sprite(pVideoSprite).movieTime + pScanRate         if vTime > sprite(pVideoSprite).duration then           vTime = sprite(pVideoSprite).duration         end if         sprite(pVideoSprite).movieTime = vTime         pActive = true                #fastreverse:         -- scan fast reverse         pMovieRate = sprite(pVideoSprite).movieRate         sprite(pVideoSprite).movieRate = 0         pScanRate = 60         vTime = sprite(pVideoSprite).movieTime - pScanRate         if vTime < 0 then           vTime = 0         end if         sprite(pVideoSprite).movieTime = vTime         pActive = true                       end case        end if      pass    end on mouseUp me      if the blend of sprite pSprite = 100 and not the cyclegraphics of me then     if pActive then              case (pControlType) of                    #rewind:           sprite(pVideoSprite).movieTime = 0           pActive = false                    #pause:           pMovieRate = sprite(pVideoSprite).movieRate           sprite(pVideoSprite).movieRate = 0           pActive = false                    #play:           sprite(pVideoSprite).movieRate = pMovieRate           pActive = false                    #playpause:           pPlayPause = not pPlayPause           if pPlayPause then             -- play             sprite(pVideoSprite).movieRate = pMovieRate           else             -- pause             pMovieRate = sprite(pVideoSprite).movieRate             sprite(pVideoSprite).movieRate = 0           end if           pActive = false                    #fastforward:           sprite(pVideoSprite).movieRate = pMovieRate           pActive = false           pScanRate = 0                    #fastreverse:           sprite(pVideoSprite).movieRate = pMovieRate           pActive = false           pScanRate = 0                  end case            end if        end if    end mouseUp on mouseUpOutside      if pActive then     case (pControlType) of       #fastforward, #fastreverse:         pScanRate = 0         pActive = false       otherwise:         pActive = false     end case   end if    end on mouseEnter      if pActive then     case (pControlType) of       #fastforward, #fastreverse:         pScanRate = 60     end case   end if    end on mouseLeave      if pActive then     case (pControlType) of       #fastforward, #fastreverse:         pScanRate = 0     end case   end if    end -- user defined handlers --on pi_ButtonMouseDownInitiated me, initiatingSprite --   --  -- another button on this frame has initaited a mouseDown event --  -- set anotherButtonActive property to true --  -- ignore mouse events until the current mouse activity is complete --   --  if initiatingSprite <> me.spritenum then --    set the pAnotherButtonActive of me = true --  end if --   --end -- -- --on pi_ButtonMouseDownComplete me --   --  -- another button on this frame has completed a mouseDown event --  -- set anotherButtonActive property to false --  -- begin accepting mouse events again --  set the pAnotherButtonActive of me = false --   --end -- on allVideoControlsTurnOff me, who      if who <> me then     sendSprite((the spritenum of me), #CycleGraphics_ToggleLoop, false)     if not pActive then sendSprite((the spritenum of me), #resetMe)   end if       end on CycleGraphics_ToggleLoop me, trueOrFalse      -- this method is for using this behavior along with the CycleGraphics behavior   -- if this sprite is currently cycling graphics (such as a flashing button)   -- then the cyclegraphics property is set to true so that the behavior won't interfere   -- with the flashing of the sprite      if voidP (trueOrFalse) then     cyclegraphics = not cyclegraphics   else if ilk (trueOrFalse) <> #integer then     -- Error check     return #invalidTypeError   else     cyclegraphics = trueOrFalse   end if    end on getPropertyDescriptionList   if the currentSpriteNum = 0 then exit      return [  #pVideoSprite:  [ #comment: "Digital Video Sprite?", #format:  #integer, #default:  1 ], #pControlType: [#comment: "Control Type?", #format:  #symbol, #range:  [#rewind, #pause, #play, #playpause, #fastforward, #fastreverse], #default:  #rewind]] end getPropertyDescriptionList

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