org.jatha.display
Class LispInput

java.lang.Object
  java.awt.Component
      java.awt.Container
          javax.swing.JComponent
              javax.swing.JPanel
                  org.jatha.display.LispInput

All Implemented Interfaces:

ActionListener, KeyListener, ImageObserver, MenuContainer, Serializable, Runnable, EventListener, Accessible

 class LispInput
extends JPanel
implements Runnable, ActionListener, KeyListener

LispInput is a text field that does parenthesis matching and sends its input off to a Lisp Evaluator.

See Also:

TextField

Nested Class Summary

Nested classes/interfaces inherited from class javax.swing.JPanel

JPanel.AccessibleJPanel

Nested classes/interfaces inherited from class javax.swing.JComponent

JComponent.AccessibleJComponent

Nested classes/interfaces inherited from class java.awt.Container

Container.AccessibleAWTContainer

Nested classes/interfaces inherited from class java.awt.Component

Component.AccessibleAWTComponent, Component.BltBufferStrategy, Component.FlipBufferStrategy

Field Summary

protected Color	bgColor
static boolean	DEBUG
protected Highlighter.HighlightPainter	f_badPainter
protected int	f_commandMultiplier
protected Font	f_defaultFont
protected int	f_defaultNumberOfInputLines Edit this to change the size of the input area.
(package private) JButton	f_evalButton
protected boolean	f_firstCharOfCommand
protected boolean	f_flashing
protected Highlighter.HighlightPainter	f_goodPainter
protected Integer	f_highlightLock
protected List	f_highlights
protected String	f_input
protected JTextArea	f_inputArea
(package private) JButton	f_largerAreaButton
protected String	f_lastCommand
private Jatha	f_lisp
protected int	f_matchingPosition
protected Graphics	f_myGraphics
protected Thread	f_myThread
protected Listener	f_parent
protected String	f_saveBuffer
(package private) JButton	f_smallerAreaButton
protected Color	fgColor
protected int	fontHeight
protected FontMetrics	fontInfo
protected int	fontWidth
protected int	hFudge
protected int	vFudge

Fields inherited from class javax.swing.JComponent

accessibleContext, listenerList, TOOL_TIP_TEXT_KEY, ui, UNDEFINED_CONDITION, WHEN_ANCESTOR_OF_FOCUSED_COMPONENT, WHEN_FOCUSED, WHEN_IN_FOCUSED_WINDOW

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

LispInput(Jatha lisp, Listener parent, int rows, int cols)

Method Summary

void	actionPerformed(ActionEvent e)
void	addBadHighlight(int start, int end)
void	addGoodHighlight(int start, int end)
void	addHighlight(int start, int end, Highlighter.HighlightPainter painter)
void	clearHighlights()
(package private) void	eraseLastCharTyped()
void	eval(LispValue input) Input should be a LispString.
void	eval(String inputString) Input should be a regular string, which is parsed and evaluated.
int	getColumns()
int	getRows()
String	getText()
(package private) boolean	handleEmacsCommand(KeyEvent e) Returns true if no further event handling is necessary.
void	incrementEditorLines(int increment)
void	keyPressed(KeyEvent e)
void	keyReleased(KeyEvent e)
void	keyTyped(KeyEvent e) Implements parenthesis matching
(package private) String	killToEndOfLine()
(package private) void	restoreText()
void	run()
(package private) void	saveText(String s)
void	selectAll()
void	setColumns(int newValue)
void	setFontInfo()
void	setRows(int newValue)
void	setText(String newText)

Methods inherited from class javax.swing.JPanel

getAccessibleContext, getUI, getUIClassID, paramString, setUI, updateUI

Methods inherited from class javax.swing.JComponent

addAncestorListener, addNotify, addVetoableChangeListener, computeVisibleRect, contains, createToolTip, disable, enable, firePropertyChange, firePropertyChange, firePropertyChange, fireVetoableChange, getActionForKeyStroke, getActionMap, getAlignmentX, getAlignmentY, getAncestorListeners, getAutoscrolls, getBorder, getBounds, getClientProperty, getComponentGraphics, getComponentPopupMenu, getConditionForKeyStroke, getDebugGraphicsOptions, getDefaultLocale, getFontMetrics, getGraphics, getHeight, getInheritsPopupMenu, getInputMap, getInputMap, getInputVerifier, getInsets, getInsets, getListeners, getLocation, getMaximumSize, getMinimumSize, getNextFocusableComponent, getPopupLocation, getPreferredSize, getRegisteredKeyStrokes, getRootPane, getSize, getToolTipLocation, getToolTipText, getToolTipText, getTopLevelAncestor, getTransferHandler, getVerifyInputWhenFocusTarget, getVetoableChangeListeners, getVisibleRect, getWidth, getX, getY, grabFocus, isDoubleBuffered, isLightweightComponent, isManagingFocus, isOpaque, isOptimizedDrawingEnabled, isPaintingTile, isRequestFocusEnabled, isValidateRoot, paint, paintBorder, paintChildren, paintComponent, paintImmediately, paintImmediately, print, printAll, printBorder, printChildren, printComponent, processComponentKeyEvent, processKeyBinding, processKeyEvent, processMouseEvent, processMouseMotionEvent, putClientProperty, registerKeyboardAction, registerKeyboardAction, removeAncestorListener, removeNotify, removeVetoableChangeListener, repaint, repaint, requestDefaultFocus, requestFocus, requestFocus, requestFocusInWindow, requestFocusInWindow, resetKeyboardActions, reshape, revalidate, scrollRectToVisible, setActionMap, setAlignmentX, setAlignmentY, setAutoscrolls, setBackground, setBorder, setComponentPopupMenu, setDebugGraphicsOptions, setDefaultLocale, setDoubleBuffered, setEnabled, setFocusTraversalKeys, setFont, setForeground, setInheritsPopupMenu, setInputMap, setInputVerifier, setMaximumSize, setMinimumSize, setNextFocusableComponent, setOpaque, setPreferredSize, setRequestFocusEnabled, setToolTipText, setTransferHandler, setUI, setVerifyInputWhenFocusTarget, setVisible, unregisterKeyboardAction, update

Methods inherited from class java.awt.Container

add, add, add, add, add, addContainerListener, addImpl, addPropertyChangeListener, addPropertyChangeListener, applyComponentOrientation, areFocusTraversalKeysSet, countComponents, deliverEvent, doLayout, findComponentAt, findComponentAt, getComponent, getComponentAt, getComponentAt, getComponentCount, getComponents, getComponentZOrder, getContainerListeners, getFocusTraversalKeys, getFocusTraversalPolicy, getLayout, getMousePosition, insets, invalidate, isAncestorOf, isFocusCycleRoot, isFocusCycleRoot, isFocusTraversalPolicyProvider, isFocusTraversalPolicySet, layout, list, list, locate, minimumSize, paintComponents, preferredSize, printComponents, processContainerEvent, processEvent, remove, remove, removeAll, removeContainerListener, setComponentZOrder, setFocusCycleRoot, setFocusTraversalPolicy, setFocusTraversalPolicyProvider, 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, createImage, createImage, createVolatileImage, createVolatileImage, disableEvents, dispatchEvent, enable, enableEvents, enableInputMethods, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, getBackground, getBounds, getColorModel, getComponentListeners, getComponentOrientation, getCursor, getDropTarget, getFocusCycleRootAncestor, getFocusListeners, getFocusTraversalKeysEnabled, getFont, getForeground, getGraphicsConfiguration, getHierarchyBoundsListeners, getHierarchyListeners, getIgnoreRepaint, getInputContext, getInputMethodListeners, getInputMethodRequests, getKeyListeners, getLocale, getLocation, getLocationOnScreen, getMouseListeners, getMouseMotionListeners, getMousePosition, getMouseWheelListeners, getName, getParent, getPeer, getPropertyChangeListeners, getPropertyChangeListeners, getSize, getToolkit, getTreeLock, gotFocus, handleEvent, hasFocus, hide, imageUpdate, inside, isBackgroundSet, isCursorSet, isDisplayable, isEnabled, isFocusable, isFocusOwner, isFocusTraversable, isFontSet, isForegroundSet, isLightweight, isMaximumSizeSet, isMinimumSizeSet, isPreferredSizeSet, isShowing, isValid, isVisible, keyDown, keyUp, list, list, list, location, lostFocus, mouseDown, mouseDrag, mouseEnter, mouseExit, mouseMove, mouseUp, move, nextFocus, paintAll, postEvent, prepareImage, prepareImage, processComponentEvent, processFocusEvent, processHierarchyBoundsEvent, processHierarchyEvent, processInputMethodEvent, processMouseWheelEvent, remove, removeComponentListener, removeFocusListener, removeHierarchyBoundsListener, removeHierarchyListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, removeMouseWheelListener, removePropertyChangeListener, removePropertyChangeListener, repaint, repaint, repaint, resize, resize, setBounds, setBounds, setComponentOrientation, setCursor, setDropTarget, setFocusable, setFocusTraversalKeysEnabled, 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

DEBUG

public static boolean DEBUG

f_inputArea

protected JTextArea f_inputArea

f_matchingPosition

protected int f_matchingPosition

f_flashing

protected boolean f_flashing

f_myThread

protected Thread f_myThread

f_myGraphics

protected Graphics f_myGraphics

f_input

protected String f_input

f_largerAreaButton

JButton f_largerAreaButton

f_smallerAreaButton

JButton f_smallerAreaButton

f_evalButton

JButton f_evalButton

fontInfo

protected FontMetrics fontInfo

fontWidth

protected int fontWidth

fontHeight

protected int fontHeight

fgColor

protected Color fgColor

bgColor

protected Color bgColor

hFudge

protected int hFudge

vFudge

protected int vFudge

f_parent

protected Listener f_parent

f_saveBuffer

protected String f_saveBuffer

f_lastCommand

protected String f_lastCommand

f_firstCharOfCommand

protected boolean f_firstCharOfCommand

f_commandMultiplier

protected int f_commandMultiplier

f_defaultFont

protected Font f_defaultFont

f_goodPainter

protected Highlighter.HighlightPainter f_goodPainter

f_badPainter

protected Highlighter.HighlightPainter f_badPainter

f_highlights

protected List f_highlights

f_highlightLock

protected Integer f_highlightLock

f_defaultNumberOfInputLines

protected int f_defaultNumberOfInputLines

Edit this to change the size of the input area. (mh) 2005 Nov 06

f_lisp

private Jatha f_lisp

Constructor Detail

LispInput

public LispInput(Jatha lisp,
                 Listener parent,
                 int rows,
                 int cols)

Method Detail

setFontInfo

public void setFontInfo()

eval

public void eval(String inputString)

Input should be a regular string, which is parsed and evaluated.

eval

public void eval(LispValue input)

Input should be a LispString.

Parameters:

input - a LispString containing a command.

actionPerformed

public void actionPerformed(ActionEvent e)

Specified by:

actionPerformed in interface ActionListener

incrementEditorLines

public void incrementEditorLines(int increment)

keyPressed

public void keyPressed(KeyEvent e)

Specified by:

keyPressed in interface KeyListener

keyReleased

public void keyReleased(KeyEvent e)

Specified by:

keyReleased in interface KeyListener

keyTyped

public void keyTyped(KeyEvent e)

Implements parenthesis matching

Specified by:

keyTyped in interface KeyListener

handleEmacsCommand

boolean handleEmacsCommand(KeyEvent e)

Returns true if no further event handling is necessary.

eraseLastCharTyped

void eraseLastCharTyped()

killToEndOfLine

String killToEndOfLine()

saveText

void saveText(String s)

restoreText

void restoreText()

run

public void run()

Specified by:

run in interface Runnable

getText

public String getText()

setText

public void setText(String newText)

selectAll

public void selectAll()

getColumns

public int getColumns()

setColumns

public void setColumns(int newValue)

setRows

public void setRows(int newValue)

getRows

public int getRows()

addGoodHighlight

public void addGoodHighlight(int start,
                             int end)

addBadHighlight

public void addBadHighlight(int start,
                            int end)

addHighlight

public void addHighlight(int start,
                         int end,
                         Highlighter.HighlightPainter painter)

clearHighlights

public void clearHighlights()