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java.awt
Class Event

java.lang.Object
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 +--java.awt.Event

All Implemented Interfaces:

Serializable

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public class Event

extends Object

implements Serializable

Unsafe:

See Also:

Serialized Form

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data

private transient long data

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SHIFT_MASK

public static final int SHIFT_MASK

Enabled: This flag indicates that the Shift key was down when the event occurred.

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CTRL_MASK

public static final int CTRL_MASK

Enabled: This flag indicates that the Control key was down when the event occurred.

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META_MASK

public static final int META_MASK

Enabled: This flag indicates that the Meta key was down when the event occurred. For mouse events, this flag indicates that the right button was pressed or released.

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ALT_MASK

public static final int ALT_MASK

Enabled: This flag indicates that the Alt key was down when the event occurred. For mouse events, this flag indicates that the middle mouse button was pressed or released.

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HOME

public static final int HOME

Enabled: The Home key, a non-ASCII action key.

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END

public static final int END

Enabled: The End key, a non-ASCII action key.

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PGUP

public static final int PGUP

Enabled: The Page Up key, a non-ASCII action key.

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PGDN

public static final int PGDN

Enabled: The Page Down key, a non-ASCII action key.

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UP

public static final int UP

Enabled: The Up Arrow key, a non-ASCII action key.

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DOWN

public static final int DOWN

Enabled: The Down Arrow key, a non-ASCII action key.

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LEFT

public static final int LEFT

Enabled: The Left Arrow key, a non-ASCII action key.

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RIGHT

public static final int RIGHT

Enabled: The Right Arrow key, a non-ASCII action key.

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F1

public static final int F1

Enabled: The F1 function key, a non-ASCII action key.

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F2

public static final int F2

Enabled: The F2 function key, a non-ASCII action key.

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F3

public static final int F3

Enabled: The F3 function key, a non-ASCII action key.

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F4

public static final int F4

Enabled: The F4 function key, a non-ASCII action key.

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F5

public static final int F5

Enabled: The F5 function key, a non-ASCII action key.

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F6

public static final int F6

Enabled: The F6 function key, a non-ASCII action key.

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F7

public static final int F7

Enabled: The F7 function key, a non-ASCII action key.

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F8

public static final int F8

Enabled: The F8 function key, a non-ASCII action key.

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F9

public static final int F9

Enabled: The F9 function key, a non-ASCII action key.

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F10

public static final int F10

Enabled: The F10 function key, a non-ASCII action key.

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F11

public static final int F11

Enabled: The F11 function key, a non-ASCII action key.

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F12

public static final int F12

Enabled: The F12 function key, a non-ASCII action key.

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PRINT_SCREEN

public static final int PRINT_SCREEN

Enabled: The Print Screen key, a non-ASCII action key.

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SCROLL_LOCK

public static final int SCROLL_LOCK

Enabled: The Scroll Lock key, a non-ASCII action key.

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CAPS_LOCK

public static final int CAPS_LOCK

Enabled: The Caps Lock key, a non-ASCII action key.

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NUM_LOCK

public static final int NUM_LOCK

Enabled: The Num Lock key, a non-ASCII action key.

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PAUSE

public static final int PAUSE

Enabled: The Pause key, a non-ASCII action key.

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INSERT

public static final int INSERT

Enabled: The Insert key, a non-ASCII action key.

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ENTER

public static final int ENTER

Enabled: The Enter key.

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BACK_SPACE

public static final int BACK_SPACE

Enabled: The BackSpace key.

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TAB

public static final int TAB

Enabled: The Tab key.

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ESCAPE

public static final int ESCAPE

Enabled: The Escape key.

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DELETE

public static final int DELETE

Enabled: The Delete key.

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WINDOW_EVENT

private static final int WINDOW_EVENT

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WINDOW_DESTROY

public static final int WINDOW_DESTROY

Enabled: The user has asked the window manager to kill the window.

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WINDOW_EXPOSE

public static final int WINDOW_EXPOSE

Enabled: The user has asked the window manager to expose the window.

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WINDOW_ICONIFY

public static final int WINDOW_ICONIFY

Enabled: The user has asked the window manager to iconify the window.

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WINDOW_DEICONIFY

public static final int WINDOW_DEICONIFY

Enabled: The user has asked the window manager to de-iconify the window.

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WINDOW_MOVED

public static final int WINDOW_MOVED

Enabled: The user has asked the window manager to move the window.

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KEY_EVENT

private static final int KEY_EVENT

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KEY_PRESS

public static final int KEY_PRESS

Enabled: The user has pressed a normal key.

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KEY_RELEASE

public static final int KEY_RELEASE

Enabled: The user has released a normal key.

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KEY_ACTION

public static final int KEY_ACTION

Enabled: The user has pressed a non-ASCII action key. The key field contains a value that indicates that the event occurred on one of the action keys, which comprise the 12 function keys, the arrow (cursor) keys, Page Up, Page Down, Home, End, Print Screen, Scroll Lock, Caps Lock, Num Lock, Pause, and Insert.

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KEY_ACTION_RELEASE

public static final int KEY_ACTION_RELEASE

Enabled: The user has released a non-ASCII action key. The key field contains a value that indicates that the event occurred on one of the action keys, which comprise the 12 function keys, the arrow (cursor) keys, Page Up, Page Down, Home, End, Print Screen, Scroll Lock, Caps Lock, Num Lock, Pause, and Insert.

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MOUSE_EVENT

private static final int MOUSE_EVENT

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MOUSE_DOWN

public static final int MOUSE_DOWN

Enabled: The user has pressed the mouse button. The ALT_MASK flag indicates that the middle button has been pressed. The META_MASKflag indicates that the right button has been pressed.

See Also:

java.awt.Event#ALT_MASK, java.awt.Event#META_MASK

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MOUSE_UP

public static final int MOUSE_UP

Enabled: The user has released the mouse button. The ALT_MASK flag indicates that the middle button has been released. The META_MASKflag indicates that the right button has been released.

See Also:

java.awt.Event#ALT_MASK, java.awt.Event#META_MASK

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MOUSE_MOVE

public static final int MOUSE_MOVE

Enabled: The mouse has moved with no button pressed.

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MOUSE_ENTER

public static final int MOUSE_ENTER

Enabled: The mouse has entered a component.

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MOUSE_EXIT

public static final int MOUSE_EXIT

Enabled: The mouse has exited a component.

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MOUSE_DRAG

public static final int MOUSE_DRAG

Enabled: The user has moved the mouse with a button pressed. The ALT_MASK flag indicates that the middle button is being pressed. The META_MASK flag indicates that the right button is being pressed.

See Also:

java.awt.Event#ALT_MASK, java.awt.Event#META_MASK

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SCROLL_EVENT

private static final int SCROLL_EVENT

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SCROLL_LINE_UP

public static final int SCROLL_LINE_UP

Enabled: The user has activated the line up area of a scroll bar.

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SCROLL_LINE_DOWN

public static final int SCROLL_LINE_DOWN

Enabled: The user has activated the line down area of a scroll bar.

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SCROLL_PAGE_UP

public static final int SCROLL_PAGE_UP

Enabled: The user has activated the page up area of a scroll bar.

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SCROLL_PAGE_DOWN

public static final int SCROLL_PAGE_DOWN

Enabled: The user has activated the page down area of a scroll bar.

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SCROLL_ABSOLUTE

public static final int SCROLL_ABSOLUTE

Enabled: The user has moved the bubble (thumb) in a scroll bar, moving to an "absolute" position, rather than to an offset from the last postion.

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SCROLL_BEGIN

public static final int SCROLL_BEGIN

Enabled: The scroll begin event.

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SCROLL_END

public static final int SCROLL_END

Enabled: The scroll end event.

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LIST_EVENT

private static final int LIST_EVENT

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LIST_SELECT

public static final int LIST_SELECT

Enabled: An item in a list has been selected.

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LIST_DESELECT

public static final int LIST_DESELECT

Enabled: An item in a list has been deselected.

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MISC_EVENT

private static final int MISC_EVENT

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ACTION_EVENT

public static final int ACTION_EVENT

Enabled: This event indicates that the user wants some action to occur.

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LOAD_FILE

public static final int LOAD_FILE

Enabled: A file loading event.

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SAVE_FILE

public static final int SAVE_FILE

Enabled: A file saving event.

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GOT_FOCUS

public static final int GOT_FOCUS

Enabled: A component gained the focus.

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LOST_FOCUS

public static final int LOST_FOCUS

Enabled: A component lost the focus.

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target

public Object target

Suppressed: The target component. This indicates the component over which the event occurred or with which the event is associated. This object has been replaced by AWTEvent.getSource()

See Also:

java.awt.AWTEvent#getSource()

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when

public long when

Suppressed: The time stamp. Replaced by InputEvent.getWhen().

See Also:

java.awt.event.InputEvent#getWhen()

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id

public int id

Suppressed: Indicates which type of event the event is, and which other Event variables are relevant for the event. This has been replaced by AWTEvent.getID()

See Also:

java.awt.AWTEvent#getID()

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x

public int x

Suppressed: The x coordinate of the event. Replaced by MouseEvent.getX()

See Also:

java.awt.event.MouseEvent#getX()

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y

public int y

Suppressed: The y coordinate of the event. Replaced by MouseEvent.getY()

See Also:

java.awt.event.MouseEvent#getY()

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key

public int key

Suppressed: The key code of the key that was pressed in a keyboard event. This has been replaced by KeyEvent.getKeyCode()

See Also:

java.awt.event.KeyEvent#getKeyCode()

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modifiers

public int modifiers

Suppressed: The state of the modifier keys. This is replaced with InputEvent.getModifiers() In java 1.1 MouseEvent and KeyEvent are subclasses of InputEvent.

See Also:

java.awt.event.InputEvent#getModifiers()

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clickCount

public int clickCount

Suppressed: For MOUSE_DOWN events, this field indicates the number of consecutive clicks. For other events, its value is 0. This field has been replaced by MouseEvent.getClickCount().

See Also:

java.awt.event.MouseEvent#getClickCount().

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arg

public Object arg

Suppressed: An arbitrary argument of the event. The value of this field depends on the type of event. arg has been replaced by event specific property.

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evt

public Event evt

Suppressed: The next event. This field is set when putting events into a linked list. This has been replaced by EventQueue.

See Also:

java.awt.EventQueue

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actionKeyCodes

private static final int[][] actionKeyCodes

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consumed

private boolean consumed

This field controls whether or not the event is sent back down to the peer once the target has processed it - false means it's sent to the peer, true means it's not.

See Also:

isConsumed()

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serialVersionUID

private static final long serialVersionUID

Event

public Event(Object target,
 long when,
 int id,
 int x,
 int y,
 int key,
 int modifiers,
 Object arg)

Suppressed: NOTE: The Event class is obsolete and is available only for backwards compatilibility. It has been replaced by the AWTEvent class and its subclasses.

Creates an instance of Event with the specified target component, time stamp, event type, x and y coordinates, keyboard key, state of the modifier keys, and argument.

Parameters:

target - the target component.

when - the time stamp.

id - the event type.

x - the x coordinate.

y - the y coordinate.

key - the key pressed in a keyboard event.

modifiers - the state of the modifier keys.

arg - the specified argument.

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Event

public Event(Object target,
 long when,
 int id,
 int x,
 int y,
 int key,
 int modifiers)

Suppressed: NOTE: The Event class is obsolete and is available only for backwards compatilibility. It has been replaced by the AWTEvent class and its subclasses.

Creates an instance of Event, with the specified target component, time stamp, event type, x and y coordinates, keyboard key, state of the modifier keys, and an argument set to null.

Parameters:

target - the target component.

when - the time stamp.

id - the event type.

x - the x coordinate.

y - the y coordinate.

key - the key pressed in a keyboard event.

modifiers - the state of the modifier keys.

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Event

public Event(Object target,
 int id,
 Object arg)

Suppressed: NOTE: The Event class is obsolete and is available only for backwards compatilibility. It has been replaced by the AWTEvent class and its subclasses.

Creates an instance of Event with the specified target component, event type, and argument.

Parameters:

target - the target component.

id - the event type.

arg - the specified argument.

initIDs

private static void initIDs()

Initialize JNI field and method IDs for fields that may be accessed from C.

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translate

public void translate(int x,
 int y)

Suppressed: NOTE: The Event class is obsolete and is available only for backwards compatilibility. It has been replaced by the AWTEvent class and its subclasses.

Translates this event so that its x and y coordinates are increased by dx and dy, respectively.

This method translates an event relative to the given component. This involves, at a minimum, translating the coordinates into the local coordinate system of the given component. It may also involve translating a region in the case of an expose event.

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shiftDown

public boolean shiftDown()

Suppressed: NOTE: The Event class is obsolete and is available only for backwards compatilibility. It has been replaced by the AWTEvent class and its subclasses.

Checks if the Shift key is down.

Returns:

true if the key is down; false otherwise.

See Also:

java.awt.Event#modifiers, java.awt.Event#controlDown, java.awt.Event#metaDown

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controlDown

public boolean controlDown()

Suppressed: NOTE: The Event class is obsolete and is available only for backwards compatilibility. It has been replaced by the AWTEvent class and its subclasses.

Checks if the Control key is down.

Returns:

true if the key is down; false otherwise.

See Also:

java.awt.Event#modifiers, java.awt.Event#shiftDown, java.awt.Event#metaDown

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metaDown

public boolean metaDown()

Suppressed: NOTE: The Event class is obsolete and is available only for backwards compatilibility. It has been replaced by the AWTEvent class and its subclasses.

Checks if the Meta key is down.

Returns:

true if the key is down; false otherwise.

See Also:

java.awt.Event#modifiers, java.awt.Event#shiftDown, java.awt.Event#controlDown

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consume

void consume()

NOTE: The Event class is obsolete and is available only for backwards compatilibility. It has been replaced by the AWTEvent class and its subclasses.

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isConsumed

boolean isConsumed()

NOTE: The Event class is obsolete and is available only for backwards compatilibility. It has been replaced by the AWTEvent class and its subclasses.

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getOldEventKey

static int getOldEventKey(KeyEvent e)

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getKeyEventChar

char getKeyEventChar()

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paramString

protected String paramString()

NOTE: The Event class is obsolete and is available only for backwards compatilibility. It has been replaced by the AWTEvent class and its subclasses.

Returns a string representing the state of this Event. This method is intended to be used only for debugging purposes, and the content and format of the returned string may vary between implementations. The returned string may be empty but may not be null.

Returns:

the parameter string of this event

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toString

public String toString()

Suppressed: NOTE: The Event class is obsolete and is available only for backwards compatilibility. It has been replaced by the AWTEvent class and its subclasses.

Returns a representation of this event's values as a string.

Overrides:

toString in class Object

Returns:

a string that represents the event and the values of its member fields.

Since:

JDK1.1

See Also:

java.awt.Event#paramString

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