?? textarea.java
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package java.awt;import java.awt.event.KeyEvent;/** * class TextArea - * * Copyright (c) 1999 * Transvirtual Technologies, Inc. All rights reserved. * * See the file "license.terms" for information on usage and redistribution * of this file. * */public class TextArea extends TextComponent{ int rows; int cols; final public static int SCROLLBARS_BOTH = 0; final public static int SCROLLBARS_VERTICAL_ONLY = 1; final public static int SCROLLBARS_HORIZONTAL_ONLY = 2; final public static int SCROLLBARS_NONE = 3; int scrolls;public TextArea() { this( "", 0, 0, SCROLLBARS_BOTH);}public TextArea( String text) { this( text, 0, 0, SCROLLBARS_BOTH);}public TextArea( String text, int rows, int cols) { this( text, rows, cols, SCROLLBARS_BOTH);}public TextArea( String text, int rows, int cols, int scrolls) { this.rows = rows; this.cols = cols; this.scrolls = scrolls; cursor = Cursor.getPredefinedCursor( Cursor.TEXT_CURSOR); setForeground( Defaults.TextAreaTxtClr); setBackground( Defaults.TextAreaBgClr); setFont( Defaults.TextAreaFont); setText( text);}public TextArea( int rows, int cols) { this( "", rows, cols, SCROLLBARS_BOTH);}public void addNotify() { if ( nativeData == null ) { Toolkit.createNative(this); super.addNotify(); }}public void append( String text) { if ( nativeData != null ) Toolkit.editAppend( nativeData, text);}void createNative() { nativeData = Toolkit.editCreateArea( getParentData(), text, scrolls);}public int getColumns() { return cols;}public Dimension getMinimumSize() { return getMinimumSize( Math.max( cols, 5), Math.max( rows, 5));}public Dimension getMinimumSize( int cols, int rows) { return getPreferredSize( cols, rows);}public Dimension getPreferredSize() { return getPreferredSize( Math.max( cols, 5), Math.max( rows, 5));}public Dimension getPreferredSize( int cols, int rows) { FontMetrics fm = getFontMetrics( getFont() ); int cx = cols * fm.charWidth('x'); int cy = rows * fm.getHeight(); return new Dimension( cx, cy);}public int getRows() { return rows;}public int getScrollbarVisibility() { return scrolls;}public void insert( String text, int pos) { if ( nativeData != null ) Toolkit.editInsert( nativeData, text, pos);}protected String paramString() { return "";}protected void process( KeyEvent e) { //consume simple tabs from ShortcutHandler if ( (e.getModifiers() == 0) && (e.getKeyChar() == '\t' ) ) e.consumed = true; super.process( e);}public void replaceRange( String text, int start, int end) { if ( nativeData != null ) Toolkit.editReplaceRange( nativeData, text, start, end);}public void setColumns( int cols) { this.cols = cols;}public void setRows( int rows) { this.rows = rows;}}
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