| /* SwingTextFieldPeer.java -- A Swing based peer for AWT textfields |
| Copyright (C) 2006 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.swing; |
| |
| import java.awt.Dimension; |
| import java.awt.Image; |
| import java.awt.Point; |
| import java.awt.Rectangle; |
| import java.awt.TextField; |
| import java.awt.event.KeyEvent; |
| import java.awt.event.MouseEvent; |
| import java.awt.im.InputMethodRequests; |
| import java.awt.peer.TextFieldPeer; |
| |
| import javax.swing.JComponent; |
| import javax.swing.JTextField; |
| |
| /** |
| * A TextFieldPeer based on Swing JTextField. |
| * |
| * @author Roman Kennke (kennke@aicas.com) |
| */ |
| public class SwingTextFieldPeer |
| extends SwingComponentPeer |
| implements TextFieldPeer |
| { |
| |
| /** |
| * A specialized Swing textfield for use in the peer. |
| * |
| * @author Roman Kennke (kennke@aicas.com) |
| */ |
| private class SwingTextField |
| extends JTextField |
| implements SwingComponent |
| { |
| |
| /** |
| * Overridden to provide normal behaviour even without a real peer |
| * attached. |
| * |
| * @return the location of the textfield on screen |
| */ |
| public Point getLocationOnScreen() |
| { |
| return SwingTextFieldPeer.this.getLocationOnScreen(); |
| } |
| |
| /** |
| * Overridden so that the isShowing method returns the correct value for the |
| * swing button, even if it has no peer on its own. |
| * |
| * @return <code>true</code> if the button is currently showing, |
| * <code>false</code> otherwise |
| */ |
| public boolean isShowing() |
| { |
| boolean retVal = false; |
| if (SwingTextFieldPeer.this.awtComponent != null) |
| retVal = SwingTextFieldPeer.this.awtComponent.isShowing(); |
| return retVal; |
| } |
| |
| /** |
| * Overridden, so that the Swing button can create an Image without its |
| * own peer. |
| * |
| * @param w the width of the image |
| * @param h the height of the image |
| * |
| * @return an image |
| */ |
| public Image createImage(int w, int h) |
| { |
| return SwingTextFieldPeer.this.createImage(w, h); |
| } |
| |
| /** |
| * Returns this textfield. |
| * |
| * @return <code>this</code> |
| */ |
| public JComponent getJComponent() |
| { |
| return this; |
| } |
| |
| /** |
| * Handles mouse events by forwarding it to the swing textfield. |
| * |
| * @param ev the mouse event |
| */ |
| public void handleMouseEvent(MouseEvent ev) |
| { |
| ev.setSource(this); |
| processMouseEvent(ev); |
| } |
| |
| /** |
| * Handles mouse motion events by forwarding it to the swing textfield. |
| * |
| * @param ev the mouse motion event |
| */ |
| public void handleMouseMotionEvent(MouseEvent ev) |
| { |
| ev.setSource(this); |
| processMouseMotionEvent(ev); |
| } |
| |
| /** |
| * Handles key events by forwarding it to the swing textfield. |
| * |
| * @param ev the key event |
| */ |
| public void handleKeyEvent(KeyEvent ev) |
| { |
| ev.setSource(this); |
| processKeyEvent(ev); |
| } |
| |
| } |
| |
| /** |
| * Creates a new <code>SwingTextFieldPeer</code> instance for the specified |
| * AWT textfield. |
| * |
| * @param textField the AWT textfield |
| */ |
| public SwingTextFieldPeer(TextField textField) |
| { |
| SwingTextField swingTextField = new SwingTextField(); |
| swingTextField.setText(textField.getText()); |
| init(textField, swingTextField); |
| } |
| |
| /** |
| * Returns the minimum size of the textfield. |
| * |
| * @param len not used here |
| * |
| * @return the minimum size of the textfield |
| */ |
| public Dimension minimumSize(int len) |
| { |
| return swingComponent.getJComponent().getMinimumSize(); |
| } |
| |
| /** |
| * Returns the preferred size of the textfield. |
| * |
| * @param len not used here |
| * |
| * @return the preferred size of the textfield |
| */ |
| public Dimension preferredSize(int len) |
| { |
| return swingComponent.getJComponent().getPreferredSize(); |
| } |
| |
| /** |
| * Returns the minimum size of the textfield. |
| * |
| * @param len not used here |
| * |
| * @return the minimum size of the textfield |
| */ |
| public Dimension getMinimumSize(int len) |
| { |
| return swingComponent.getJComponent().getMinimumSize(); |
| } |
| |
| /** |
| * Returns the preferred size of the textfield. |
| * |
| * @param len not used here |
| * |
| * @return the preferred size of the textfield |
| */ |
| public Dimension getPreferredSize(int len) |
| { |
| return swingComponent.getJComponent().getPreferredSize(); |
| } |
| |
| /** |
| * Sets the echo character. |
| * |
| * @param echoChar the echo character to be set |
| */ |
| public void setEchoChar(char echoChar) |
| { |
| // TODO: Must be implemented. |
| } |
| |
| /** |
| * Sets the echo character. |
| * |
| * @param echoChar the echo character to be set |
| */ |
| public void setEchoCharacter(char echoChar) |
| { |
| // TODO: Must be implemented. |
| } |
| |
| /** |
| * Returns the end index of the current selection. |
| * |
| * @return the end index of the current selection |
| */ |
| public int getSelectionEnd() |
| { |
| // TODO: Must be implemented. |
| return 0; |
| } |
| |
| /** |
| * Returns the start index of the current selection. |
| * |
| * @return the start index of the current selection |
| */ |
| public int getSelectionStart() |
| { |
| // TODO: Must be implemented. |
| return 0; |
| } |
| |
| /** |
| * Returns the current content of the textfield. |
| * |
| * @return the current content of the textfield |
| */ |
| public String getText() |
| { |
| return ((JTextField) swingComponent.getJComponent()).getText(); |
| } |
| |
| /** |
| * Sets the content of the textfield. |
| * |
| * @param text the text to set |
| */ |
| public void setText(String text) |
| { |
| ((JTextField) swingComponent.getJComponent()).setText(text); |
| } |
| |
| /** |
| * Sets the current selection. |
| * |
| * @param startPos the start index of the selection |
| * @param endPos the start index of the selection |
| */ |
| public void select(int startPos, int endPos) |
| { |
| // TODO: Must be implemented. |
| } |
| |
| /** |
| * Sets the editable flag of the text field. |
| * |
| * @param editable <code>true</code> to make the textfield editable, |
| * <code>false</code> to make it uneditable |
| */ |
| public void setEditable(boolean editable) |
| { |
| ((JTextField) swingComponent.getJComponent()).setEditable(editable); |
| } |
| |
| /** |
| * Returns the current caret position. |
| * |
| * @return the current caret position |
| */ |
| public int getCaretPosition() |
| { |
| return ((JTextField) swingComponent.getJComponent()).getCaret().getDot(); |
| } |
| |
| /** |
| * Sets the current caret position. |
| * |
| * @param pos the caret position to set |
| */ |
| public void setCaretPosition(int pos) |
| { |
| ((JTextField) swingComponent.getJComponent()).getCaret().setDot(pos); |
| } |
| |
| /** |
| * Returns the index of the character at the specified location. |
| * |
| * @param x the X coordinate of the point to query |
| * @param y the Y coordinate of the point to query |
| * |
| * @return the index of the character at the specified location |
| */ |
| public int getIndexAtPoint(int x, int y) |
| { |
| // TODO: Must be implemented. |
| return 0; |
| } |
| |
| /** |
| * Returns the bounds of the character at the specified index. |
| * |
| * @param pos the index of the character |
| * |
| * @return the bounds of the character at the specified index |
| */ |
| public Rectangle getCharacterBounds(int pos) |
| { |
| // TODO: Must be implemented. |
| return null; |
| } |
| |
| /** |
| * Not used. |
| */ |
| public long filterEvents(long filter) |
| { |
| // TODO: Must be implemented. |
| return 0; |
| } |
| |
| /** |
| * Not used. |
| */ |
| public InputMethodRequests getInputMethodRequests() |
| { |
| // TODO: Must be implemented. |
| return null; |
| } |
| |
| } |