AWT MouseEvent Class


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This event indicates a mouse action occurred in a component. This low-level event is generated by a component object for Mouse Events and Mouse motion events.

  • a mouse button is pressed

  • a mouse button is released

  • a mouse button is clicked (pressed and released)

  • a mouse cursor enters the unobscured part of component's geometry

  • a mouse cursor exits the unobscured part of component's geometry

  • a mouse is moved

  • the mouse is dragged

Class declaration

Following is the declaration for java.awt.event.MouseEvent class:

public class MouseEvent
   extends InputEvent

Field

Following are the fields for java.awt.event.MouseEvent class:

  • static int BUTTON1 --Indicates mouse button #1; used by getButton()

  • static int BUTTON2 --Indicates mouse button #2; used by getButton()

  • static int BUTTON3 --Indicates mouse button #3; used by getButton()

  • static int MOUSE_CLICKED --The "mouse clicked" event

  • static int MOUSE_DRAGGED --The "mouse dragged" event

  • static int MOUSE_ENTERED --The "mouse entered" event

  • static int MOUSE_EXITED --The "mouse exited" event

  • static int MOUSE_FIRST --The first number in the range of ids used for mouse events

  • static int MOUSE_LAST -- The last number in the range of ids used for mouse events

  • static int MOUSE_MOVED --The "mouse moved" event

  • static int MOUSE_PRESSED -- The "mouse pressed" event

  • static int MOUSE_RELEASED --The "mouse released" event

  • static int MOUSE_WHEEL --The "mouse wheel" event

  • static int NOBUTTON --Indicates no mouse buttons; used by getButton()

  • static int VK_WINDOWS --Constant for the Microsoft Windows "Windows" key.

Class constructors

S.N.Constructor & Description
1

MouseEvent(Component source, int id, long when, int modifiers, int x, int y, int clickCount, boolean popupTrigger)

Constructs a MouseEvent object with the specified source component, type, modifiers, coordinates, and click count.

2

MouseEvent(Component source, int id, long when, int modifiers, int x, int y, int clickCount, boolean popupTrigger, int button)

Constructs a MouseEvent object with the specified source component, type, modifiers, coordinates, and click count.

3

MouseEvent(Component source, int id, long when, int modifiers, int x, int y, int xAbs, int yAbs, int clickCount, boolean popupTrigger, int button)

Constructs a MouseEvent object with the specified source component, type, modifiers, coordinates, absolute coordinates, and click count.

Class methods

S.N.Method & Description
1

int getButton()

Returns which, if any, of the mouse buttons has changed state.

2

int getClickCount()

Returns the number of mouse clicks associated with this event.

3

Point getLocationOnScreen()

Returns the absolute x, y position of the event.

4

static String getMouseModifiersText(int modifiers)

Returns a String describing the modifier keys and mouse buttons that were down during the event, such as "Shift", or "Ctrl+Shift".

5

Point getPoint()

Returns the x,y position of the event relative to the source component.

6

int getX()

Returns the horizontal x position of the event relative to the source component.

7

int getXOnScreen()

Returns the absolute horizontal x position of the event.

8

int getY()

Returns the vertical y position of the event relative to the source component.

9

int getYOnScreen()

Returns the absolute vertical y position of the event.

10

boolean isPopupTrigger() Returns whether or not this mouse event is the popup menu trigger event for the platform.

11

String paramString()

Returns a parameter string identifying this event.

12

void translatePoint(int x, int y)

Translates the event's coordinates to a new position by adding specified x (horizontal) and y (vertical) offsets.

Methods inherited

This class inherits methods from the following classes:

  • java.awt.event.InputEvent

  • java.awt.event.ComponentEvent

  • java.awt.AWTEvent

  • java.util.EventObject

  • java.lang.Object


awt_event_classes.htm

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