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Diffstat (limited to 'gnu/java/awt/peer/swing/SwingTextAreaPeer.java')
-rw-r--r-- | gnu/java/awt/peer/swing/SwingTextAreaPeer.java | 317 |
1 files changed, 317 insertions, 0 deletions
diff --git a/gnu/java/awt/peer/swing/SwingTextAreaPeer.java b/gnu/java/awt/peer/swing/SwingTextAreaPeer.java new file mode 100644 index 000000000..04ac01141 --- /dev/null +++ b/gnu/java/awt/peer/swing/SwingTextAreaPeer.java @@ -0,0 +1,317 @@ +/* SwingTextAreaPeer.java -- A Swing based peer for AWT textareas + 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.Component; +import java.awt.Container; +import java.awt.Dimension; +import java.awt.Graphics; +import java.awt.Image; +import java.awt.Point; +import java.awt.Rectangle; +import java.awt.TextArea; +import java.awt.event.KeyEvent; +import java.awt.event.MouseEvent; +import java.awt.im.InputMethodRequests; +import java.awt.peer.TextAreaPeer; + +import javax.swing.JComponent; +import javax.swing.JScrollPane; +import javax.swing.JTextArea; +import javax.swing.text.BadLocationException; + +public class SwingTextAreaPeer + extends SwingComponentPeer + implements TextAreaPeer +{ + + /** + * A spezialized Swing scroller used to hold the textarea. + * + * @author Roman Kennke (kennke@aicas.com) + */ + private class SwingTextArea + extends JScrollPane + implements SwingComponent + { + + SwingTextArea(Component comp) + { + super(comp, JScrollPane.VERTICAL_SCROLLBAR_ALWAYS, + JScrollPane.HORIZONTAL_SCROLLBAR_ALWAYS); + } + + /** + * Returns this label. + * + * @return <code>this</code> + */ + public JComponent getJComponent() + { + return this; + } + + /** + * Handles mouse events by forwarding it to + * <code>processMouseEvent()</code>. + * + * @param ev the mouse event + */ + public void handleMouseEvent(MouseEvent ev) + { + ev.setSource(this); + dispatchEvent(ev); + } + + /** + * Force lightweight mouse dispatching. + */ + public boolean isLightweight() + { + return false; + } + + /** + * Handles mouse motion events by forwarding it to + * <code>processMouseMotionEvent()</code>. + * + * @param ev the mouse motion event + */ + public void handleMouseMotionEvent(MouseEvent ev) + { + processMouseMotionEvent(ev); + } + + /** + * Handles key events by forwarding it to <code>processKeyEvent()</code>. + * + * @param ev the mouse event + */ + public void handleKeyEvent(KeyEvent ev) + { + processKeyEvent(ev); + } + + /** + * Overridden so that this method returns the correct value even without a + * peer. + * + * @return the screen location of the button + */ + public Point getLocationOnScreen() + { + return SwingTextAreaPeer.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 (SwingTextAreaPeer.this.awtComponent != null) + retVal = SwingTextAreaPeer.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 SwingTextAreaPeer.this.createImage(w, h); + } + + public Graphics getGraphics() + { + return SwingTextAreaPeer.this.getGraphics(); + } + + public Container getParent() + { + Container par = null; + if (SwingTextAreaPeer.this.awtComponent != null) + par = SwingTextAreaPeer.this.awtComponent.getParent(); + return par; + } + } + + /** + * The actual JTextArea. + */ + private JTextArea jTextArea; + + public SwingTextAreaPeer(TextArea textArea) + { + super(); + System.err.println("new SwingTextAreaPeer"); + jTextArea = new JTextArea(); + SwingTextArea swingArea = new SwingTextArea(jTextArea); + init(textArea, swingArea); + + // Pull over the text from the text area. + setText(textArea.getText()); + } + + public Dimension getMinimumSize(int rows, int cols) + { + // TODO Auto-generated method stub + return null; + } + + public Dimension getPreferredSize(int rows, int cols) + { + // TODO Auto-generated method stub + return null; + } + + public void insert(String text, int pos) + { + jTextArea.insert(text, pos); + } + + public void insertText(String text, int pos) + { + jTextArea.insert(text, pos); + } + + public Dimension minimumSize(int rows, int cols) + { + // TODO Auto-generated method stub + return null; + } + + public Dimension preferredSize(int rows, int cols) + { + // TODO Auto-generated method stub + return null; + } + + public void replaceRange(String text, int start, int end) + { + jTextArea.replaceRange(text, start, end); + } + + public void replaceText(String text, int start, int end) + { + jTextArea.replaceRange(text, start, end); + } + + public long filterEvents(long filter) + { + // TODO Auto-generated method stub + return 0; + } + + public int getCaretPosition() + { + return jTextArea.getCaretPosition(); + } + + public Rectangle getCharacterBounds(int pos) + { + Rectangle r; + try + { + return jTextArea.modelToView(pos); + } + catch (BadLocationException ex) + { + r = null; + } + return r; + } + + public int getIndexAtPoint(int x, int y) + { + return jTextArea.viewToModel(new Point(x, y)); + } + + public InputMethodRequests getInputMethodRequests() + { + // TODO Auto-generated method stub + return null; + } + + public int getSelectionEnd() + { + return jTextArea.getSelectionEnd(); + } + + public int getSelectionStart() + { + return jTextArea.getSelectionStart(); + } + + public String getText() + { + return jTextArea.getText(); + } + + public void select(int start, int end) + { + jTextArea.select(start, end); + } + + public void setCaretPosition(int pos) + { + jTextArea.setCaretPosition(pos); + } + + public void setEditable(boolean editable) + { + jTextArea.setEditable(editable); + } + + public void setText(String text) + { + System.err.println("setText: " + text); + jTextArea.setText(text); + } + +} |