The Gauge class is a dialog containing a custom gauge control. This is used for the dialog to adjust the game speed, as well as the dialog for the sound volume.

Properties

• elements
• size
• text
• window
• theItem
• nsTop
• nsLeft
• nsBottom
• nsRight
• time
• busy
• seconds
• lastSeconds
• description
• higher
• lower
• normal
• minimum
• maximum

Methods

• void init(number gaugePos)
  Sets up the gauge dialog with gaugePos as the position of the gauge.
 
• void doit(number gaugePos)
  Performs the dialog's actions. Handles the button presses, obtains the events, and updates the gauge as needed.
 
• heapPtr handleEvent(heapPtr pEvent)
  Handles the dialogs input.

  It checks if the user presses the arrow keys or uses the joystick and adjusts the gauge accordingly. It returns a pointer to the object (control) selected. If none is selected, it returns NULL.

• void update(number gaugePos)
  Updates the gauge position and draws the updated gauge control.