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Chapter 21 java.awt.event Reference |
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MouseEvent 
Name
MouseEvent
![[Graphic: Figure from the text]](./figs/mouseev.gif)
Description
Mouse events are generated when the user moves and clicks the mouse.
Class Definition
public class java.awt.event.MouseEvent
extends java.awt.event.InputEvent {
// Constants
public final static int MOUSE_CLICKED;
public final static int MOUSE_DRAGGED;
public final static int MOUSE_ENTERED;
public final static int MOUSE_EXITED;
public final static int MOUSE_FIRST;
public final static int MOUSE_LAST;
public final static int MOUSE_MOVED;
public final static int MOUSE_PRESSED;
public final static int MOUSE_RELEASED;
// Constructors
public MouseEvent (Component source, int id, long when, int modifiers, int x,
int y, int clickCount, boolean popupTrigger);
// Instance Methods
public int getClickCount();
public synchronized Point getPoint();
public int getX();
public int getY();
public boolean isPopupTrigger();
public String paramString();
public synchronized void translatePoint (int x, int y);
}
Constants
MOUSE_CLICKED
public final static int MOUSE_CLICKED
An event type ID indicating a mouse click.
MOUSE_DRAGGED
public final static int MOUSE_DRAGGED
An event type ID indicating a mouse move with the button held down.
MOUSE_ENTERED
public final static int MOUSE_ENTERED
An event type ID indicating that a mouse entered a component.
MOUSE_EXITED
public final static int MOUSE_EXITED
An event type ID indicating that a mouse left a component.
MOUSE_FIRST
public final static int MOUSE_FIRST
Specifies the beginning range of mouse event ID values.
MOUSE_LAST
public final static int MOUSE_LAST
Specifies the ending range of mouse event ID values.
MOUSE_MOVED
public final static int MOUSE_MOVED
An event type ID indicating a mouse move.
MOUSE_PRESSED
public final static int MOUSE_PRESSED
An event type ID indicating a mouse button press.
MOUSE_RELEASED
public final static int MOUSE_RELEASED
An event type ID indicating a mouse button release.
Constructors
MouseEvent
public MouseEvent (Component source, int id, long when, int modifiers, int x, int y, int clickCount, boolean popupTrigger)
- Parameters
-
- source
-
The object that generated the event.
- id
-
The event type ID of the event.
- when
-
When the event occurred, in milliseconds from the epoch.
- modifiers
-
What modifier keys were pressed with this key.
- x
-
The horizontal location of the event.
- y
-
The vertical location of the event.
- clickCount
-
The number of times the mouse button has been clicked.
- popupTrigger
-
A flag indicating if this event is a popup trigger event.
- source
- Description
-
Constructs a MouseEvent with the given characteristics.
Instance Methods
getClickCount
public int getClickCount()
- Returns
-
The number of consecutive mouse button clicks for this event.
getPoint
public synchronized Point getPoint()
- Returns
-
The location where the event happened.
getX
public int getX()
- Returns
-
The horizontal location where the event happened.
getY
public int getY()
- Returns
-
The vertical location where the event happened.
isPopupTrigger
public boolean isPopupTrigger()
- Returns
-
Returns true if this event is the popup menu event for the run-time system.
paramString
public String paramString()
- Returns
-
String with current settings of the MouseEvent.
- Overrides
-
ComponentEvent.paramString()
- Description
-
Helper method for toString() to generate string of current settings.
translatePoint
public synchronized void translatePoint (int x, int y)
- Parameters
-
- x
-
The horizontal amount of translation.
- y
-
The vertical amount of translation.
- x
- Description
-
Translates the location of the event by the given amounts.
See Also
Component, ComponentEvent, InputEvent, MouseAdapter, MouseListener, Point
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| MouseAdapter |
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MouseListener |
