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Class awt.Button

java.lang.Object
   |
   +----awt.Component
           |
           +----awt.Button

public class Button

extends Component

implements ChoiceHandler

class HelloButton extends Button {
     public HelloButton(String l, String n, Window p) {
		super(l, n, p);
	}
	public void selected(Component c, int pos) {
		System.out.println("Hello");
	}
}
 HelloButton b = new HelloButton("Press Me", "", window);

Version:

1.21 03 Feb 1995

Author:

Sami Shaio

label

The string label for this button.

normalImage

The image label for this button when inactive.

pressedImage

The image label for this button when pressed.

Button(String, String, Container)

Constructs a Button with a string label.

Button(String, String, Window)

Constructs a button given a Window as a parent rather than a container.

Button(Image, Image, String, Container)

Constructs an image Button.

Button(Image, Image, String, Window)

Constructs a button given a Window as a parent rather than a container.

dispose()

Disposes of this button.

doubleClick(Component, int)

Unused method.

map()

Shows this button.

move(int, int)

Moves this button to the given x and y coordinates.

reshape(int, int, int, int)

Reshapes this button.

selected(Component, int)

This method is invoked when the button has been selected.

unMap()

Hides this button.

  public String label

The string label for this button.

  public Image normalImage

The image label for this button when inactive.

  public Image pressedImage

The image label for this button when pressed.

  public Button(String pLabel,
                String pName,
                Container pParent)

Constructs a Button with a string label.

Parameters:

pLabel - the string label for the button

pName - the name of the button, this name may be used by the layout algorithm in pParent.

pParent - the parent window in which to put the button.

Button

  public Button(String pLabel,
                String pName,
                Window pParent)

Constructs a button given a Window as a parent rather than a container. This is here for backward-compatibility with alpha1.

Button

  public Button(Image normalImage,
                Image pressedImage,
                String pName,
                Container pParent)

Constructs an image Button.

Parameters:

normalImage - the image to display when the button is inactive.

pressedImage - the image to display when the button is pressed. This may be null.

pName - the name of the button, this name may be used by the layout algorithm in pParent.

pParent - the parent window in which to put the button.

See Also:

Image, GifImage

Button

  public Button(Image normalImage,
                Image pressedImage,
                String pName,
                Window pParent)

Constructs a button given a Window as a parent rather than a container. This is here for backward-compatibility with alpha1.

  public void doubleClick(Component c,
                          int pos)

Unused method. It is required by the ChoiceHandler interface.

selected

  public void selected(Component c,
                       int pos)

This method is invoked when the button has been selected. Override this method in a subclass to do something useful.

Parameters:

c - is the component being selected. This is useful if another object handles the method for this button.

pos - is undefined in this context.

move

  public void move(int X,
                   int Y)

Moves this button to the given x and y coordinates.

Overrides:

move in class Component

reshape

  public void reshape(int x,
                      int y,
                      int w,
                      int h)

Reshapes this button.

Overrides:

reshape in class Component

dispose

  public void dispose()

Disposes of this button. The button cannot be used after being disposed.

Overrides:

dispose in class Component

map

  public void map()

Shows this button.

Overrides:

map in class Component

unMap

  public void unMap()

Hides this button.

Overrides:

unMap in class Component

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