Source for gnu.java.awt.peer.qt.QtTextFieldPeer

   1: /* QtTextFieldPeer.java --
   2:    Copyright (C)  2005  Free Software Foundation, Inc.
   3: 
   4: This file is part of GNU Classpath.
   5: 
   6: GNU Classpath is free software; you can redistribute it and/or modify
   7: it under the terms of the GNU General Public License as published by
   8: the Free Software Foundation; either version 2, or (at your option)
   9: any later version.
  10: 
  11: GNU Classpath is distributed in the hope that it will be useful, but
  12: WITHOUT ANY WARRANTY; without even the implied warranty of
  13: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14: General Public License for more details.
  15: 
  16: You should have received a copy of the GNU General Public License
  17: along with GNU Classpath; see the file COPYING.  If not, write to the
  18: Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  19: 02110-1301 USA.
  20: 
  21: Linking this library statically or dynamically with other modules is
  22: making a combined work based on this library.  Thus, the terms and
  23: conditions of the GNU General Public License cover the whole
  24: combination.
  25: 
  26: As a special exception, the copyright holders of this library give you
  27: permission to link this library with independent modules to produce an
  28: executable, regardless of the license terms of these independent
  29: modules, and to copy and distribute the resulting executable under
  30: terms of your choice, provided that you also meet, for each linked
  31: independent module, the terms and conditions of the license of that
  32: module.  An independent module is a module which is not derived from
  33: or based on this library.  If you modify this library, you may extend
  34: this exception to your version of the library, but you are not
  35: obligated to do so.  If you do not wish to do so, delete this
  36: exception statement from your version. */
  37: 
  38: package gnu.java.awt.peer.qt;
  39: 
  40: import java.awt.Dimension;
  41: import java.awt.Rectangle;
  42: import java.awt.TextField;
  43: import java.awt.event.TextEvent;
  44: import java.awt.im.InputMethodRequests;
  45: import java.awt.peer.TextFieldPeer;
  46: 
  47: public class QtTextFieldPeer extends QtComponentPeer implements TextFieldPeer
  48: {
  49:   public QtTextFieldPeer( QtToolkit kit, TextField owner )
  50:   {
  51:     super( kit, owner );
  52:   }
  53: 
  54:   protected native void init();
  55: 
  56:   protected void setup()
  57:   {
  58:     super.setup();
  59:     setText(((TextField)owner).getText());
  60:     setEditable(((TextField)owner).isEditable());
  61:   }
  62: 
  63:   /**
  64:    * Called back on a text edit.
  65:    */
  66:   private void textChanged()
  67:   {
  68:     TextEvent e = new TextEvent(owner, TextEvent.TEXT_VALUE_CHANGED);
  69:     QtToolkit.eventQueue.postEvent(e);
  70:   }
  71: 
  72:   /**
  73:    * Returns the start (start = true) or end (start = false) of the selection.
  74:    */
  75:   private native int getSelection(boolean start);
  76: 
  77:   private native Dimension getMinimumSizeNative(int columns);
  78: 
  79:   private native Dimension getPreferredSizeNative(int columns);
  80: 
  81:   // ************ Public methods *********************
  82: 
  83:   public long filterEvents(long e)
  84:   {
  85:     return e;
  86:   }
  87: 
  88:   public native int getCaretPosition();
  89: 
  90:   public Rectangle getCharacterBounds(int i)
  91:   {
  92:     return new Rectangle(0,0,0,0);
  93:   }
  94: 
  95:   public int getIndexAtPoint(int x, int y)
  96:   {
  97:     // FIXME
  98:     return 0;
  99:   }
 100: 
 101:   public Dimension getMinimumSize(int columns)
 102:   {
 103:     Dimension d = getMinimumSizeNative( columns );
 104:     if ( d == null )
 105:       return new Dimension(10, 10);
 106:     return d;
 107:   }
 108: 
 109:   public Dimension getPreferredSize(int columns)
 110:   {
 111:     Dimension d = getPreferredSizeNative( columns );
 112:     if ( d == null )
 113:       return owner.getSize();
 114:     return d;
 115:   }
 116: 
 117:   public int getSelectionEnd()
 118:   {
 119:     return getSelection(false);
 120:   }
 121: 
 122:   public int getSelectionStart()
 123:   {
 124:     return getSelection(true);
 125:   }
 126: 
 127:   public native String getText();
 128: 
 129:   public Dimension minimumSize(int cols)
 130:   {
 131:     return getMinimumSize(cols);
 132:   }
 133: 
 134:   public Dimension preferredSize(int cols)
 135:   {
 136:     return getPreferredSize(cols);
 137:   }
 138: 
 139:   public native void select(int selStart, int selEnd);
 140: 
 141:   public native void setCaretPosition(int pos);
 142: 
 143:   public void setEchoCharacter(char c)
 144:   {
 145:     setEchoChar(c);
 146:   }
 147: 
 148:   public native void setEchoChar(char echoChar);
 149: 
 150:   public native void setEditable(boolean editable);
 151: 
 152:   public native void setText(String l);
 153: 
 154:   public InputMethodRequests getInputMethodRequests()
 155:   {
 156:     // TODO Auto-generated method stub
 157:     return null;
 158:   }
 159: }