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/* QtTextAreaPeer.java --

   Copyright (C)  2005  Free Software Foundation, Inc.

This file is part of GNU Classpath.

GNU Classpath is free software; you can redistribute it and/or modify

it under the terms of the GNU General Public License as published by

the Free Software Foundation; either version 2, or (at your option)

any later version.

GNU Classpath is distributed in the hope that it will be useful, but

WITHOUT ANY WARRANTY; without even the implied warranty of

MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

General Public License for more details.

You should have received a copy of the GNU General Public License

along with GNU Classpath; see the file COPYING.  If not, write to the

Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA

02110-1301 USA.

Linking this library statically or dynamically with other modules is

making a combined work based on this library.  Thus, the terms and

conditions of the GNU General Public License cover the whole

combination.

As a special exception, the copyright holders of this library give you

permission to link this library with independent modules to produce an

executable, regardless of the license terms of these independent

modules, and to copy and distribute the resulting executable under

terms of your choice, provided that you also meet, for each linked

independent module, the terms and conditions of the license of that

module.  An independent module is a module which is not derived from

or based on this library.  If you modify this library, you may extend

this exception to your version of the library, but you are not

obligated to do so.  If you do not wish to do so, delete this

exception statement from your version. */

package gnu.java.awt.peer.qt;

import java.awt.Dimension;

import java.awt.Rectangle;

import java.awt.TextArea;

import java.awt.event.TextEvent;

import java.awt.im.InputMethodRequests;

import java.awt.peer.TextAreaPeer;

public class QtTextAreaPeer extends QtComponentPeer implements TextAreaPeer

{

  public QtTextAreaPeer( QtToolkit kit, TextArea owner )

  {

    super( kit, owner );

  }

  protected native void init();

  protected void setup()

  {

    super.setup();

    setText(((TextArea)owner).getText());

    setEditable(((TextArea)owner).isEditable());

  }

  /**

   * Returns the start (start = true) or end (start = false) of the selection.

   */

  private native int getSelection(boolean start);

  /**

   * Called back on a text edit.

   */

  private void textChanged()

  {

    TextEvent e = new TextEvent(owner, TextEvent.TEXT_VALUE_CHANGED);

    QtToolkit.eventQueue.postEvent(e);

  }

  // ************ Public methods *********************

  public long filterEvents(long filter)

  {

    return filter;

  }

  public native int getCaretPosition();

  public Rectangle getCharacterBounds(int pos)

  {

    // FIXME

    return new Rectangle(0,0,0,0);

  }

  /**

   * Implemented, but who uses it?

   */

  public native int getIndexAtPoint(int x, int y);

//   public void reshape(int x, int y,

//                    int width, int height)

//   {

//     if(width != 0 || height != 0)

//       super.reshape(x, y, width, height);

//     else

//       super.reshape(x, y, 10, 10);

//   }

  public Dimension getMinimumSize(int rows, int cols)

  {

    // FIXME

    return getMinimumSize();

  }

  public Dimension getPreferredSize(int rows, int cols)

  {

    // FIXME

    return getPreferredSize();

  }

  public int getSelectionEnd()

  {

    return getSelection(false);

  }

  public int getSelectionStart()

  {

    return getSelection(true);

  }

  public native String getText();

  public void insert(String text, int pos)

  {

    // Not very efficient, no.

    String s = getText();

    setText(s.substring(0, pos) + text + s.substring(pos));

  }

  public void insertText(String text, int pos)

  {

    insert(text, pos);

  }

  public Dimension minimumSize(int rows, int cols)

  {

    return getMinimumSize(rows, cols);

  }

  public Dimension preferredSize(int rows, int cols)

  {

    return getPreferredSize(rows, cols);

  }

  public void replaceRange(String insert, int start_pos, int end_pos)

  {

    // Not very efficient, no.

    String text = getText();

    String right = text.substring(0, start_pos);

    String left = text.substring(end_pos);

    setText(right + insert + left);

  }

  public void replaceText(String text, int start_pos, int end_pos)

  {

    replaceRange(text, start_pos, end_pos);

  }

  public native void setText(String text);

  public native void select(int start_pos, int end_pos);

  public native void setEditable(boolean editable);

  public native void setCaretPosition(int pos);

  public InputMethodRequests getInputMethodRequests()

  {

    // TODO Auto-generated method stub

    return null;

  }

}