java.awt
Class Button

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

All Implemented Interfaces:

ImageObserver

public class Button

extends Component

Constructor Summary

Button()
Constructs a new button without label

Button(java.lang.String s)
Constructs a new button with the given label

Method Summary

void	addActionListener(ActionListener al) Adds an action listener to the button.
void	dispatchEvent(AWTEvent event)
Dimension	getMinimumSize()
void	paint(Graphics g) Draws the button on the given graphics context.
void	removeActionListener(ActionListener al) Removes the given action listener.
void	setActionCommand(java.lang.String s) Sets the action command for action events to the given string.
void	setLabel(java.lang.String s) Sets the label of the button.

Methods inherited from class java.awt.Component

addFocusListener, addKeyListener, addMouseListener, addMouseMotionListener, contains, enableEvents, findComponentAt, getBackground, getBounds, getFont, getFontMetrics, getForeground, getGraphics, getHeight, getLocationOnScreen, getMaximumSize, getParent, getPreferredSize, getSize, getWidth, getX, getY, hasFocus, invalidate, isEnabled, isFocusTraversable, isValid, isVisible, paintAll, processEvent, processFocusEvent, processKeyEvent, processMouseEvent, processMouseMotionEvent, repaint, repaint, requestFocus, setBackground, setBounds, setEnabled, setFont, setForeground, setLocation, setSize, setSize, setVisible, update, validate

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Button

public Button()

Constructs a new button without label

Button

public Button(java.lang.String s)

Constructs a new button with the given label

Method Detail

addActionListener

public void addActionListener(ActionListener al)

Adds an action listener to the button. The listener will be notified when the button is "pressed". Attention: kAWT supports only a single action listener for each button

paint

public void paint(Graphics g)

Draws the button on the given graphics context.

Overrides:

paint in class Component

dispatchEvent

public void dispatchEvent(AWTEvent event)

Overrides:

dispatchEvent in class Component

removeActionListener

public void removeActionListener(ActionListener al)

Removes the given action listener.

setActionCommand

public void setActionCommand(java.lang.String s)

Sets the action command for action events to the given string. The default action command string is the label of the button.

setLabel

public void setLabel(java.lang.String s)

Sets the label of the button. The button will be repainted automatically as soon as the event handling routine returns.

getMinimumSize

public Dimension getMinimumSize()

Overrides:

getMinimumSize in class Component