charva.awt.event
Class ScrollEvent

java.lang.Object
  java.util.EventObject
      charva.awt.event.AWTEvent
          charva.awt.event.ScrollEvent

All Implemented Interfaces:

java.io.Serializable

public class ScrollEvent

extends AWTEvent

A ScrollEvent is posted on the event queue by a scrollable object such as a Table, when its state changes in such a way that it may need to be scrolled (if it is contained within a ScrollPane).

See Also:

Serialized Form

Field Summary

static int	DOWN
static int	DOWN_LEFT
static int	DOWN_RIGHT
static int	LEFT
static int	RIGHT
static int	UP
static int	UP_LEFT
static int	UP_RIGHT

Fields inherited from class charva.awt.event.AWTEvent

ACTION_PERFORMED, ADJUSTMENT_EVENT, FOCUS_GAINED, FOCUS_LOST, GARBAGE_COLLECTION, INVOCATION_EVENT, ITEM_STATE_CHANGED, KEY_PRESSED, KEY_TYPED, LIST_SELECTION, MOUSE_EVENT, PAINT_EVENT, RESERVED_ID_MAX, SCROLL_EVENT, SYNC_EVENT, WINDOW_CLOSING, WINDOW_OPENED

Fields inherited from class java.util.EventObject

source

Constructor Summary

ScrollEvent(Component source_, int direction_, Point limit_)
Construct a ScrollEvent with the specified direction and limit parameters.

Method Summary

int	getDirection()
Point	getLimit()
Scrollable	getScrollable()

Methods inherited from class charva.awt.event.AWTEvent

getID

Methods inherited from class java.util.EventObject

getSource, toString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

LEFT

public static final int LEFT

See Also:

Constant Field Values

RIGHT

public static final int RIGHT

See Also:

Constant Field Values

UP

public static final int UP

See Also:

Constant Field Values

DOWN

public static final int DOWN

See Also:

Constant Field Values

UP_LEFT

public static final int UP_LEFT

See Also:

Constant Field Values

UP_RIGHT

public static final int UP_RIGHT

See Also:

Constant Field Values

DOWN_LEFT

public static final int DOWN_LEFT

See Also:

Constant Field Values

DOWN_RIGHT

public static final int DOWN_RIGHT

See Also:

Constant Field Values

Constructor Detail

ScrollEvent

public ScrollEvent(Component source_,
                   int direction_,
                   Point limit_)

Construct a ScrollEvent with the specified direction and limit parameters.

Parameters:

direction_ - The direction that the ScrollPane must (potentially) scroll the scrollable component (eg LEFT, RIGHT, UP or DOWN).

limit_ - A Point representing the row and column that must appear at the edge of the Viewport if the component is scrolled. For examplem, if direction_ is LEFT, the limit_ is the rightmost column that must appear in the viewport.

Method Detail

getScrollable

public Scrollable getScrollable()

getDirection

public int getDirection()

getLimit

public Point getLimit()