Initial revision

From-SVN: r104578

libjava/classpath/gnu/java/awt/peer/qt/QtTextAreaPeer.java

@@ -0,0 +1,180 @@
+/* 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;
+  }
+}
+