mirror of git://gcc.gnu.org/git/gcc.git
50 lines
1.2 KiB
Java
50 lines
1.2 KiB
Java
/* Copyright (C) 1999 Free Software Foundation
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This file is part of libjava.
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This software is copyrighted work licensed under the terms of the
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Libjava License. Please consult the file "LIBJAVA_LICENSE" for
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details. */
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package java.awt;
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/* A very incomplete placeholder. */
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public class TextArea extends TextComponent
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{
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public synchronized void append (String str)
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{
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replaceRange(str, length, length);
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}
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public synchronized void insert (String str, int pos)
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{
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replaceRange(str, pos, pos);
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}
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public synchronized void replaceRange (String str, int start, int end)
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{
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if (length == 0)
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setText (str);
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else
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{
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int len = str.length();
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int delta = len - (end - start);
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int new_length = length + delta;
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if (buffer.length < new_length)
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{
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int new_size = 2 * buffer.length;
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if (new_size < new_length)
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new_size = new_length;
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char[] new_buffer = new char[new_size];
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System.arraycopy(buffer, 0, new_buffer, 0, length);
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buffer = new_buffer;
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}
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if (len != end)
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System.arraycopy(buffer, start, buffer, start + len, len - end);
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str.getChars(0, len, buffer, start);
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length += delta;
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}
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}
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}
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