org.eclipse.swt.events
Class SelectionEvent

java.lang.Object
  Event
      org.eclipse.swt.events.TypedEvent
          org.eclipse.swt.events.SelectionEvent

Direct Known Subclasses:

ExpandEvent, TreeEvent

public class SelectionEvent
extends TypedEvent

Instances of this class are sent as a result of widgets being selected.

Note: The fields that are filled in depend on the widget.

IMPORTANT: All public static members of this class are not part of the RWT public API. They are marked public only so that they can be shared within the packages provided by RWT. They should never be accessed from application code.

See Also:

SelectionListener

Field Summary

int	detail Extra detail information about the selection, depending on the widget.
boolean	doit A flag indicating whether the operation should be allowed.
int	height The height of selected area.
Widget	item The item that was selected.
int	stateMask The state of the keyboard modifier keys at the time the event was generated.
java.lang.String	text The text of the hyperlink that was selected.
static int	WIDGET_DEFAULT_SELECTED
static int	WIDGET_SELECTED
int	width The width of selected area.
int	x The x location of the selected area.
int	y The y location of selected area.

Fields inherited from class org.eclipse.swt.events.TypedEvent

data, display, widget

Constructor Summary

SelectionEvent(Event e)
Constructs a new instance of this class based on the information in the given untyped event.

SelectionEvent(Widget widget, Widget item, int id)
Constructs a new instance of this class.

SelectionEvent(Widget widget, Widget item, int id, Rectangle bounds, int stateMask, java.lang.String text, boolean doit, int detail)
Constructs a new instance of this class.

Method Summary

static void	addListener(Adaptable adaptable, SelectionListener listener)
protected boolean	allowProcessing()
protected void	dispatchToObserver(java.lang.Object listener)
static java.lang.Object[]	getListeners(Adaptable adaptable)
protected java.lang.Class	getListenerType()
static boolean	hasListener(Adaptable adaptable)
static void	removeListener(Adaptable adaptable, SelectionListener listener)
java.lang.String	toString()

Methods inherited from class org.eclipse.swt.events.TypedEvent

executeNext, getSource, processEvent

Methods inherited from class java.lang.Object

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

Field Detail

WIDGET_SELECTED

public static final int WIDGET_SELECTED

See Also:

Constant Field Values

WIDGET_DEFAULT_SELECTED

public static final int WIDGET_DEFAULT_SELECTED

See Also:

Constant Field Values

x

public int x

The x location of the selected area.

y

public int y

The y location of selected area.

width

public int width

The width of selected area.

height

public int height

The height of selected area.

stateMask

public int stateMask

The state of the keyboard modifier keys at the time the event was generated.

Since:

1.3

text

public java.lang.String text

The text of the hyperlink that was selected. This will be either the text of the hyperlink or the value of its HREF, if one was specified.

See Also:

Link.setText(String)

doit

public boolean doit

A flag indicating whether the operation should be allowed. Setting this field to false will cancel the operation, depending on the widget.

item

public Widget item

The item that was selected.

detail

public int detail

Extra detail information about the selection, depending on the widget.

Table and Tree

• SWT.CHECK

CoolItem and ToolItem

• SWT.ARROW

Constructor Detail

SelectionEvent

public SelectionEvent(Event e)

Constructs a new instance of this class based on the information in the given untyped event.

Parameters:

e - the untyped event containing the information

SelectionEvent

public SelectionEvent(Widget widget,
                      Widget item,
                      int id)

Constructs a new instance of this class.

IMPORTANT: This method is not part of the RWT public API. It is marked public only so that it can be shared within the packages provided by RWT. It should never be accessed from application code.

SelectionEvent

public SelectionEvent(Widget widget,
                      Widget item,
                      int id,
                      Rectangle bounds,
                      int stateMask,
                      java.lang.String text,
                      boolean doit,
                      int detail)

Constructs a new instance of this class.

IMPORTANT: This method is not part of the RWT public API. It is marked public only so that it can be shared within the packages provided by RWT. It should never be accessed from application code.

Method Detail

dispatchToObserver

protected void dispatchToObserver(java.lang.Object listener)

Overrides:

dispatchToObserver in class TypedEvent

getListenerType

protected java.lang.Class getListenerType()

Overrides:

getListenerType in class TypedEvent

allowProcessing

protected boolean allowProcessing()

Overrides:

allowProcessing in class TypedEvent

hasListener

public static boolean hasListener(Adaptable adaptable)

addListener

public static void addListener(Adaptable adaptable,
                               SelectionListener listener)

removeListener

public static void removeListener(Adaptable adaptable,
                                  SelectionListener listener)

getListeners

public static java.lang.Object[] getListeners(Adaptable adaptable)

toString

public java.lang.String toString()

Overrides:

toString in class TypedEvent