charvax.swing
Class JViewport

java.lang.Object
  charva.awt.Component
      charva.awt.Container
          charvax.swing.JViewport

public class JViewport

extends Container

The JViewport class provides a scrollable window onto an underlying component, whose size can be greater than the size of the JViewport. The underlying component must implement the Scrollable interface.

Field Summary

Fields inherited from class charva.awt.Container

_components, _currentFocus, _insets, _isValid, _layoutMgr, _minimumSize, _size

Fields inherited from class charva.awt.Component

_alignmentX, _alignmentY, _background, _cursesColor, _enabled, _focusListeners, _foreground, _keyListeners, _origin, _parent, _visible, BOTTOM_ALIGNMENT, CENTER_ALIGNMENT, LEFT_ALIGNMENT, RIGHT_ALIGNMENT, TOP_ALIGNMENT

Constructor Summary

JViewport()
Construct a JViewport.

Method Summary

void	debug(int level_)
void	draw() Draw all the components in this container.
Rectangle	getBounds() Get the bounding rectangle of this component, relative to the origin of its parent Container.
Dimension	getExtentSize() Returns the size of the visible part of the view.
Component	getView() Returns the JViewport's one child.
Point	getViewPosition() Gets the coordinates of the origin of the view, relative to the origin of the viewport.
Dimension	getViewSize() Returns the child component's size.
void	setView(Component child_) Set the JViewport's one child.
void	setViewPosition(Point origin_) Sets the coordinates of the origin of the view, relative to the origin of the viewport.

Methods inherited from class charva.awt.Container

add, add, doLayout, getComponent, getComponentAt, getComponentAt, getComponentCount, getComponents, getCurrentFocus, getHeight, getInsets, getSize, getWidth, invalidate, isFocusTraversable, isValid, minimumSize, nextFocus, previousFocus, processKeyEvent, remove, requestFocus, setBackground, setFocus, setForeground, setHeight, setLayout, setSize, setSize, setWidth, validate

Methods inherited from class charva.awt.Component

addFocusListener, addKeyListener, contains, contains, getAlignmentX, getAlignmentY, getAncestorWindow, getBackground, getCursesColor, getForeground, getLocation, getLocationOnScreen, getName, getParent, hasFocus, hide, isDisplayed, isEnabled, isTotallyObscured, isVisible, processEvent, processFocusEvent, processMouseEvent, repaint, requestSync, setBounds, setBounds, setBounds, setEnabled, setLocation, setLocation, setName, setParent, setVisible, show, validateCursesColor

Methods inherited from class java.lang.Object

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

Constructor Detail

JViewport

public JViewport()

Construct a JViewport.

Method Detail

setView

public void setView(Component child_)

Set the JViewport's one child.

getView

public Component getView()

Returns the JViewport's one child.

draw

public void draw()

Description copied from class: Container

Draw all the components in this container.

Overrides:

draw in class Container

getViewPosition

public Point getViewPosition()

Gets the coordinates of the origin of the view, relative to the origin of the viewport.

setViewPosition

public void setViewPosition(Point origin_)

Sets the coordinates of the origin of the view, relative to the origin of the viewport.

getViewSize

public Dimension getViewSize()

Returns the child component's size.

getBounds

public Rectangle getBounds()

Description copied from class: Component

Get the bounding rectangle of this component, relative to the origin of its parent Container.

Overrides:

getBounds in class Component

getExtentSize

public Dimension getExtentSize()

Returns the size of the visible part of the view.

debug

public void debug(int level_)

Overrides:

debug in class Container