org.eclipse.swt.events
Class MouseEvent

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

Direct Known Subclasses:

DragDetectEvent

public class MouseEvent
extends TypedEvent

Instances of this class are sent whenever mouse related actions occur. This includes mouse buttons being pressed and released, the mouse pointer being moved and the mouse pointer crossing widget boundaries.

Note: The button field is an integer that represents the mouse button number. This is not the same as the SWT mask constants BUTTONx.

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.

Since:

1.1

See Also:

MouseListener, MouseMoveListener, MouseTrackListener

Field Summary

int	button the button that was pressed or released; 1 for the first button, 2 for the second button, and 3 for the third button, etc.
static int	MOUSE_DOUBLE_CLICK
static int	MOUSE_DOWN
static int	MOUSE_UP
int	stateMask the state of the keyboard modifier keys at the time the event was generated
int	time the time that the event occurred.
int	x the widget-relative, x coordinate of the pointer at the time the mouse button was pressed or released
int	y the widget-relative, y coordinate of the pointer at the time the mouse button was pressed or released

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

data, display, widget

Constructor Summary

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

MouseEvent(Widget source, int id)
Constructs a new instance of this class.

Method Summary

static void	addListener(Adaptable adaptable, MouseListener 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, MouseListener listener)
java.lang.String	toString() Returns a string containing a concise, human-readable description of the receiver.

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

MOUSE_DOWN

public static final int MOUSE_DOWN

See Also:

Constant Field Values

MOUSE_UP

public static final int MOUSE_UP

See Also:

Constant Field Values

MOUSE_DOUBLE_CLICK

public static final int MOUSE_DOUBLE_CLICK

See Also:

Constant Field Values

time

public int time

the time that the event occurred. NOTE: This field is an unsigned integer and should be AND'ed with 0xFFFFFFFFL so that it can be treated as a signed long.

Since:

1.2

button

public int button

the button that was pressed or released; 1 for the first button, 2 for the second button, and 3 for the third button, etc.

stateMask

public int stateMask

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

Since:

1.3

x

public int x

the widget-relative, x coordinate of the pointer at the time the mouse button was pressed or released

y

public int y

the widget-relative, y coordinate of the pointer at the time the mouse button was pressed or released

Constructor Detail

MouseEvent

public MouseEvent(Event event)

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

Parameters:

event - the untyped event containing the information

Since:

1.2

MouseEvent

public MouseEvent(Widget source,
                  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.

Since:

1.2

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

toString

public java.lang.String toString()

Returns a string containing a concise, human-readable description of the receiver.

Overrides:

toString in class TypedEvent

Returns:

a string representation of the event

addListener

public static void addListener(Adaptable adaptable,
                               MouseListener listener)

removeListener

public static void removeListener(Adaptable adaptable,
                                  MouseListener listener)

hasListener

public static boolean hasListener(Adaptable adaptable)

getListeners

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