ej.fp

Interface MouseListener

All Known Implementing Classes:

Button, Joystick, LongButton, Pointer, RepeatButton, Wheel

public interface MouseListener

A widget has to implement this interface to be able to receive user mouse events.

All methods does nothing by default which allows the widget implements only the wanted mouse action(s).

The given coordinates are widget relative: it is not the main mouse coordinates.

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static class	MouseListener.MouseButton Some mouse events hold a mouse button.

Method Summary

Modifier and Type	Method and Description
default void	mouseDragged(int x, int y) Invoked when a mouse has been dragged on a widget.
default void	mouseEntered(int x, int y) Invoked when a mouse enters a widget.
default void	mouseExited(int x, int y) Invoked when a mouse exits a widget.
default void	mouseMoved(int x, int y) Invoked when a mouse has been moved on a widget.
default void	mousePressed(int x, int y, MouseListener.MouseButton button) Invoked when a mouse has been pressed on a widget.
default void	mouseReleased(int x, int y, MouseListener.MouseButton button) Invoked when a mouse has been released on a widget.
default void	mouseWheelMoved(int x, int y, MouseListener.MouseButton button, int count) Invoked when a mouse wheel has been moved on a widget.

Method Detail

mouseDragged

default void mouseDragged(int x,
                          int y)

Invoked when a mouse has been dragged on a widget.

Parameters:

x - the mouse x coordinate relative to widget position.

y - the mouse y coordinate relative to widget position.

mouseEntered

default void mouseEntered(int x,
                          int y)

Invoked when a mouse enters a widget.

Parameters:

x - the mouse x coordinate relative to widget position.

y - the mouse y coordinate relative to widget position.

mouseExited

default void mouseExited(int x,
                         int y)

Invoked when a mouse exits a widget.

Parameters:

x - the mouse x coordinate relative to widget position.

y - the mouse y coordinate relative to widget position.

mouseMoved

default void mouseMoved(int x,
                        int y)

Invoked when a mouse has been moved on a widget.

Parameters:

x - the mouse x coordinate relative to widget position.

y - the mouse y coordinate relative to widget position.

mousePressed

default void mousePressed(int x,
                          int y,
                          MouseListener.MouseButton button)

Invoked when a mouse has been pressed on a widget.

Parameters:

x - the mouse x coordinate relative to widget position.

y - the mouse y coordinate relative to widget position.

button - the button that has been pressed.

mouseReleased

default void mouseReleased(int x,
                           int y,
                           MouseListener.MouseButton button)

Invoked when a mouse has been released on a widget.

Parameters:

x - the mouse x coordinate relative to widget position.

y - the mouse y coordinate relative to widget position.

button - the button that has been released.

mouseWheelMoved

default void mouseWheelMoved(int x,
                             int y,
                             MouseListener.MouseButton button,
                             int count)

Invoked when a mouse wheel has been moved on a widget.

Parameters:

x - the mouse x coordinate relative to widget position.

y - the mouse y coordinate relative to widget position.

button - the button that has been wheeled.

count - the number of wheel moves (can be positive or negative according to the way of the wheel).