Class Knob

java.lang.Object
  |
  +--java.awt.Component
        |
        +--java.awt.Container
              |
              +--java.awt.Panel
                    |
                    +--Awt
                          |
                          +--Caption
                                |
                                +--Knob

All Implemented Interfaces:

javax.accessibility.Accessible, java.awt.event.AdjustmentListener, java.util.EventListener, java.awt.event.FocusListener, java.awt.image.ImageObserver, java.awt.ItemSelectable, java.awt.event.KeyListener, java.awt.MenuContainer, java.awt.event.MouseListener, java.awt.event.MouseMotionListener, java.io.Serializable

Direct Known Subclasses:

MenuKnob, Xbox

public class Knob

extends Caption

(#)Knob.java

Version:

3.2 19-Mar-2004

Implement a Knob (Button) widget

Author:

Holger Pfaff

See Also:

Serialized Form

Field Summary

protected java.lang.String

acommand action command for this knob

Fields inherited from class Caption

active, activeRect, caption, entered, hrefs, iconDist, iconPos, invalid, mode

Fields inherited from class Awt

actionListener, Background, bg, big, bim, Black, BlueMask, Bold, Bolditalic, borderDepth, borderType, BOTTOM, Brighter, Bulk, BULK, C, Center, CENTER, ColorMask, componentStates, Darker, E, East, EFFECT_MASK, Esc, FILL, Flat, FontMask, fonts, FontSize0, FontSizeMask, Foreground, GreenMask, Href, HREF, Hrefend, innerInsets, insets, Italic, itemListener, jvendor, jversion, Larger, LEFT, minimumDimension, MISC_MASK, Monospaced, N, NE, None, NONE, North, NorthEast, NorthWest, Null, NW, Plain, POSITION_MASK, Raised, RAISED, RedMask, RIGHT, S, SansSerif, SE, Serif, Smaller, South, SouthEast, SouthWest, Sunken, SUNKEN, SW, Tab0, TabMask, TabSizeMask, TOP, Uline, ULINE, W, West, White

Fields inherited from class java.awt.Component

BOTTOM_ALIGNMENT, CENTER_ALIGNMENT, LEFT_ALIGNMENT, RIGHT_ALIGNMENT, TOP_ALIGNMENT

Fields inherited from interface java.awt.image.ImageObserver

ABORT, ALLBITS, ERROR, FRAMEBITS, HEIGHT, PROPERTIES, SOMEBITS, WIDTH

Constructor Summary

Knob()
create an empty knob

Knob(java.lang.String l)
create a knob with speified label

Method Summary

java.lang.String	getActionCommand() get current action command
void	mouseDragged(java.awt.event.MouseEvent e) implement mouse listener
void	mouseExited(java.awt.event.MouseEvent e) implement mouse listener
void	mouseMoved(java.awt.event.MouseEvent e) implement mouse listener
void	mousePressed(java.awt.event.MouseEvent e) implement mouse listener
void	mouseReleased(java.awt.event.MouseEvent e) implement mouse listener
void	onPress() what to do on mouse press
void	onRelease() what to do on mouse release
void	setActionCommand(java.lang.String a) set current action command

Methods inherited from class Caption

doHref, getCaption, getHref, getLabel, getMode, getText, getTitle, invalidate, isActive, isEntered, measure, measureCaption, measureIcon, paint, paintCaption, paintIcon, setActive, setCaption, setEntered, setLabel, setMode, setText, setTitle

Methods inherited from class Awt

addActionListener, addItemListener, addNotify, adjustmentValueChanged, Array2Insets, bold, bolditalic, brighter, centerWindow, Color2Esc, darker, dim, doMeasure, drawCaption, drawCaption, drawLine, drawRectangle, drawString, drawString, drawTriangle, error, exHref, exString, focusGained, focusLost, getAppletContext, getBG, getBGImage, getBGParent, getBGParentImage, getBorderDepth, getBorderRectangle, getBorderType, getColor, getColor, getFont, getFont, getFont, getInnerInsets, getInnerRectangle, getInsets, getMetrics, getMinimumSize, getMode, getPosition, getPreferredSize, getRectangle, getSelectedObjects, getTab, getTopComponent, isBulk, isEffect, isFill, isHref, isMSJVM, isNS4JVM, isRaised, isSunken, isUline, italic, keyPressed, keyReleased, keyTyped, larger, loadImage, loadImageFromArchive, loadImageFromStream, loadImageFromURL, makeBim, measureCaption, measureString, monospaced, mouseClicked, mouseEntered, notifyActionListeners, notifyItemListeners, paintBackground, paintBackground, paintBim, paintBorder, plain, refresh, refresh, refreshAll, removeActionListener, removeItemListener, sansserif, serif, setBackground, setBG, setBGIfNull, setBorderDepth, setBorderType, setBorderType, setBounds, setEnabled, setFont, setFont, setForeground, setInnerInsets, setInsets, setVisible, smaller, tile, tile, update, waitForImage

Methods inherited from class java.awt.Panel

getAccessibleContext

Methods inherited from class java.awt.Container

add, add, add, add, add, addContainerListener, addImpl, addPropertyChangeListener, addPropertyChangeListener, applyComponentOrientation, areFocusTraversalKeysSet, countComponents, deliverEvent, doLayout, findComponentAt, findComponentAt, getAlignmentX, getAlignmentY, getComponent, getComponentAt, getComponentAt, getComponentCount, getComponents, getContainerListeners, getFocusTraversalKeys, getFocusTraversalPolicy, getLayout, getListeners, getMaximumSize, insets, isAncestorOf, isFocusCycleRoot, isFocusCycleRoot, isFocusTraversalPolicySet, layout, list, list, locate, minimumSize, paintComponents, paramString, preferredSize, print, printComponents, processContainerEvent, processEvent, remove, remove, removeAll, removeContainerListener, removeNotify, setFocusCycleRoot, setFocusTraversalKeys, setFocusTraversalPolicy, setLayout, transferFocusBackward, transferFocusDownCycle, validate, validateTree

Methods inherited from class java.awt.Component

action, add, addComponentListener, addFocusListener, addHierarchyBoundsListener, addHierarchyListener, addInputMethodListener, addKeyListener, addMouseListener, addMouseMotionListener, addMouseWheelListener, bounds, checkImage, checkImage, coalesceEvents, contains, contains, createImage, createImage, createVolatileImage, createVolatileImage, disable, disableEvents, dispatchEvent, enable, enable, enableEvents, enableInputMethods, firePropertyChange, firePropertyChange, firePropertyChange, getBackground, getBounds, getBounds, getColorModel, getComponentListeners, getComponentOrientation, getCursor, getDropTarget, getFocusCycleRootAncestor, getFocusListeners, getFocusTraversalKeysEnabled, getFont, getFontMetrics, getForeground, getGraphics, getGraphicsConfiguration, getHeight, getHierarchyBoundsListeners, getHierarchyListeners, getIgnoreRepaint, getInputContext, getInputMethodListeners, getInputMethodRequests, getKeyListeners, getLocale, getLocation, getLocation, getLocationOnScreen, getMouseListeners, getMouseMotionListeners, getMouseWheelListeners, getName, getParent, getPeer, getPropertyChangeListeners, getPropertyChangeListeners, getSize, getSize, getToolkit, getTreeLock, getWidth, getX, getY, gotFocus, handleEvent, hasFocus, hide, imageUpdate, inside, isBackgroundSet, isCursorSet, isDisplayable, isDoubleBuffered, isEnabled, isFocusable, isFocusOwner, isFocusTraversable, isFontSet, isForegroundSet, isLightweight, isOpaque, isShowing, isValid, isVisible, keyDown, keyUp, list, list, list, location, lostFocus, mouseDown, mouseDrag, mouseEnter, mouseExit, mouseMove, mouseUp, move, nextFocus, paintAll, postEvent, prepareImage, prepareImage, printAll, processComponentEvent, processFocusEvent, processHierarchyBoundsEvent, processHierarchyEvent, processInputMethodEvent, processKeyEvent, processMouseEvent, processMouseMotionEvent, processMouseWheelEvent, remove, removeComponentListener, removeFocusListener, removeHierarchyBoundsListener, removeHierarchyListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, removeMouseWheelListener, removePropertyChangeListener, removePropertyChangeListener, repaint, repaint, repaint, repaint, requestFocus, requestFocus, requestFocusInWindow, requestFocusInWindow, reshape, resize, resize, setBackground, setBounds, setComponentOrientation, setCursor, setDropTarget, setFocusable, setFocusTraversalKeysEnabled, setForeground, setIgnoreRepaint, setLocale, setLocation, setLocation, setName, setSize, setSize, show, show, size, toString, transferFocus, transferFocusUpCycle

Methods inherited from class java.lang.Object

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

Field Detail

acommand

protected java.lang.String acommand

action command for this knob

Constructor Detail

Knob

public Knob()

create an empty knob

Knob

public Knob(java.lang.String l)

create a knob with speified label

Method Detail

getActionCommand

public java.lang.String getActionCommand()

get current action command

Returns:

current action command

setActionCommand

public void setActionCommand(java.lang.String a)

set current action command

Parameters:

a - action command

onPress

public void onPress()

what to do on mouse press

onRelease

public void onRelease()

what to do on mouse release

mouseExited

public void mouseExited(java.awt.event.MouseEvent e)

implement mouse listener

Specified by:

mouseExited in interface java.awt.event.MouseListener

Overrides:

mouseExited in class Caption

Parameters:

e - MouseEvent

mousePressed

public void mousePressed(java.awt.event.MouseEvent e)

implement mouse listener

Specified by:

mousePressed in interface java.awt.event.MouseListener

Overrides:

mousePressed in class Caption

mouseReleased

public void mouseReleased(java.awt.event.MouseEvent e)

implement mouse listener

Specified by:

mouseReleased in interface java.awt.event.MouseListener

Overrides:

mouseReleased in class Awt

Parameters:

e - MouseEvent

mouseMoved

public void mouseMoved(java.awt.event.MouseEvent e)

implement mouse listener

Specified by:

mouseMoved in interface java.awt.event.MouseMotionListener

Overrides:

mouseMoved in class Caption

Parameters:

e - MouseEvent

mouseDragged

public void mouseDragged(java.awt.event.MouseEvent e)

implement mouse listener

Specified by:

mouseDragged in interface java.awt.event.MouseMotionListener

Overrides:

mouseDragged in class Awt

Parameters:

e - MouseEvent