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Diffstat (limited to 'gnu/java/awt/peer/swing/SwingTextFieldPeer.java')
-rw-r--r-- | gnu/java/awt/peer/swing/SwingTextFieldPeer.java | 367 |
1 files changed, 367 insertions, 0 deletions
diff --git a/gnu/java/awt/peer/swing/SwingTextFieldPeer.java b/gnu/java/awt/peer/swing/SwingTextFieldPeer.java new file mode 100644 index 000000000..a4c6d82d2 --- /dev/null +++ b/gnu/java/awt/peer/swing/SwingTextFieldPeer.java @@ -0,0 +1,367 @@ +/* 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 start_pos, 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; + } + +} |