java.awt
Class ScrollPane

java.lang.Object
  |
  +--java.awt.Component
        |
        +--java.awt.Container
              |
              +--java.awt.ScrollPane

All Implemented Interfaces:

ImageObserver

public class ScrollPane

extends Container

Constructor Summary

ScrollPane()

Method Summary

void	addImpl(Component c, java.lang.Object constraints, int index) This add method encapsulates the real implementation and is called by all other add methods.
void	doLayout() Forces new layout of this container.
Component	findComponentAt(int px, int py) returns the component at the given position.
Dimension	getMinimumSize() Returns a minimum size of 50x50 pixel (1/2 AWT def.
Point	getScrollPosition()
Dimension	getViewportSize()
void	paintAll(Graphics g) Paints this component and all child components.
void	update(Graphics g) This method clears the background using the current background color and calls paintAll.

Methods inherited from class java.awt.Container

add, add, add, getComponent, getComponentCount, getComponents, getInsets, getLayout, isAncestorOf, isFocusTraversable, paintComponents, remove, remove, removeAll, setLayout, validate

Methods inherited from class java.awt.Component

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

Methods inherited from class java.lang.Object

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

Constructor Detail

ScrollPane

public ScrollPane()

Method Detail

addImpl

public void addImpl(Component c,
                    java.lang.Object constraints,
                    int index)

Description copied from class: Container

This add method encapsulates the real implementation and is called by all other add methods.

Overrides:

addImpl in class Container

paintAll

public void paintAll(Graphics g)

Description copied from class: Container

Paints this component and all child components.

Overrides:

paintAll in class Container

update

public void update(Graphics g)

Description copied from class: Container

This method clears the background using the current background color and calls paintAll. Attention: If only one child component hits the current clip are, this child is repaint without the paintAll indirection.

Overrides:

update in class Container

doLayout

public void doLayout()

Description copied from class: Container

Forces new layout of this container. Call validate in order to perform a new layout only when really neede.

Overrides:

doLayout in class Container

findComponentAt

public Component findComponentAt(int px,
                                 int py)

Description copied from class: Container

returns the component at the given position. If there is no subcomponent at the given position, this is returned.

Overrides:

findComponentAt in class Container

getMinimumSize

public Dimension getMinimumSize()

Returns a minimum size of 50x50 pixel (1/2 AWT def. Value)

Overrides:

getMinimumSize in class Container

getViewportSize

public Dimension getViewportSize()

getScrollPosition

public Point getScrollPosition()