include "NSLog.incl"

_window = 1
_label = 1

void local fn DoIt
  window _window, @"Animation", (0,0,480,270)

  subclass textlabel _label, @"Hello World! ", (140,112,210,45)
  ControlSetFont( _label, fn FontLabelFontOfSize( 36 ) )
  ViewSetProperty( _label, @"MoveRight", @(YES) )

  timerbegin , 0.1, YES
    CFStringRef string = fn ControlStringValue(_label)
    CFStringRef chr
    BOOL moveRight = fn NumberBoolValue(fn ViewProperty( _label, @"MoveRight" ))
    if ( moveRight )
      chr = right( string, 1 )
      string = fn StringWithFormat( @"%@%@",chr,left(string,len(string)-1) )
    else
      chr = left( string, 1 )
      string = fn StringWithFormat( @"%@%@",right(string,len(string)-1),chr )
    end if
    textlabel _label, string
  timerend
end fn

void local fn DoDialog( ev as long, tag as long )
  select ( ev )
    case _viewMouseDown
      select ( tag )
        case _label
          BOOL moveRight = fn NumberBoolValue(fn ViewProperty( _label, @"MoveRight" ))
          if ( moveRight ) then moveRight == NO else moveRight = YES
          ViewSetProperty( _label, @"MoveRight", @(moveRight) )
      end select
  end select
end fn

fn DoIt

on dialog fn DoDialog

HandleEvents