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Diffstat (limited to 'libjava/javax/swing/text/DefaultCaret.java')
-rw-r--r-- | libjava/javax/swing/text/DefaultCaret.java | 315 |
1 files changed, 0 insertions, 315 deletions
diff --git a/libjava/javax/swing/text/DefaultCaret.java b/libjava/javax/swing/text/DefaultCaret.java deleted file mode 100644 index 30a1176fddf..00000000000 --- a/libjava/javax/swing/text/DefaultCaret.java +++ /dev/null @@ -1,315 +0,0 @@ -/* DefaultCaret.java -- - Copyright (C) 2002, 2004 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 javax.swing.text; - -import java.awt.Graphics; -import java.awt.Point; -import java.awt.Rectangle; -import java.awt.event.FocusEvent; -import java.awt.event.FocusListener; -import java.awt.event.MouseEvent; -import java.awt.event.MouseListener; -import java.awt.event.MouseMotionListener; -import java.util.EventListener; - -import javax.swing.event.ChangeEvent; -import javax.swing.event.ChangeListener; -import javax.swing.event.EventListenerList; - - -public class DefaultCaret extends Rectangle - implements Caret, FocusListener, MouseListener, MouseMotionListener -{ - private static final long serialVersionUID = 228155774675466193L; - - protected ChangeEvent changeEvent = new ChangeEvent(this); - protected EventListenerList listenerList = new EventListenerList(); - - private JTextComponent textComponent; - - private boolean selectionVisible = true; - private int blinkRate = 0; - private int dot = 0; - private int mark = 0; - private Point magicCaretPosition = null; - private boolean visible = true; - private Object highlightEntry; - - public void mouseDragged(MouseEvent event) - { - } - - public void mouseMoved(MouseEvent event) - { - } - - public void mouseClicked(MouseEvent event) - { - } - - public void mouseEntered(MouseEvent event) - { - } - - public void mouseExited(MouseEvent event) - { - } - - public void mousePressed(MouseEvent event) - { - } - - public void mouseReleased(MouseEvent event) - { - } - - public void focusGained(FocusEvent event) - { - } - - public void focusLost(FocusEvent event) - { - } - - protected void moveCaret(MouseEvent event) - { - } - - protected void positionCaret(MouseEvent event) - { - } - - public void deinstall(JTextComponent c) - { - textComponent.removeFocusListener(this); - textComponent.removeMouseListener(this); - textComponent.removeMouseMotionListener(this); - textComponent = null; - } - - public void install(JTextComponent c) - { - textComponent = c; - textComponent.addFocusListener(this); - textComponent.addMouseListener(this); - textComponent.addMouseMotionListener(this); - repaint(); - } - - public void setMagicCaretPosition(Point p) - { - magicCaretPosition = p; - } - - public Point getMagicCaretPosition() - { - return magicCaretPosition; - } - - public int getMark() - { - return mark; - } - - private void handleHighlight() - { - Highlighter highlighter = textComponent.getHighlighter(); - - if (highlighter == null) - return; - - int p0 = Math.min(dot, mark); - int p1 = Math.max(dot, mark); - - if (selectionVisible && p0 != p1) - { - try - { - if (highlightEntry == null) - highlightEntry = highlighter.addHighlight(p0, p1, getSelectionPainter()); - else - highlighter.changeHighlight(highlightEntry, p0, p1); - } - catch (BadLocationException e) - { - // This should never happen. - throw new InternalError(); - } - } - else - { - if (highlightEntry != null) - { - highlighter.removeHighlight(highlightEntry); - highlightEntry = null; - } - } - } - - public void setSelectionVisible(boolean v) - { - if (selectionVisible == v) - return; - - selectionVisible = v; - handleHighlight(); - repaint(); - } - - public boolean isSelectionVisible() - { - return selectionVisible; - } - - protected final void repaint() - { - if (textComponent != null) - textComponent.repaint(); - } - - public void paint(Graphics g) - { - if (textComponent == null) - return; - - int dot = getDot(); - Rectangle rect = null; - - try - { - rect = textComponent.modelToView(dot); - } - catch (BadLocationException e) - { - // This should never happen as dot should be always valid. - return; - } - - if (rect == null) - return; - - // First we need to delete the old caret. - // FIXME: Implement deleting of old caret. - - // Now draw the caret on the new position if visible. - if (visible) - { - g.setColor(textComponent.getCaretColor()); - g.drawLine(rect.x, rect.y, rect.x, rect.y + rect.height); - } - } - - public EventListener[] getListeners(Class listenerType) - { - return listenerList.getListeners(listenerType); - } - - public void addChangeListener(ChangeListener listener) - { - listenerList.add(ChangeListener.class, listener); - } - - public void removeChangeListener(ChangeListener listener) - { - listenerList.remove(ChangeListener.class, listener); - } - - public ChangeListener[] getChangeListeners() - { - return (ChangeListener[]) getListeners(ChangeListener.class); - } - - protected void fireStateChanged() - { - ChangeListener[] listeners = getChangeListeners(); - - for (int index = 0; index < listeners.length; ++index) - listeners[index].stateChanged(changeEvent); - } - - protected final JTextComponent getComponent() - { - return textComponent; - } - - public int getBlinkRate() - { - return blinkRate; - } - - public void setBlinkRate(int rate) - { - blinkRate = rate; - } - - public int getDot() - { - return dot; - } - - public void moveDot(int dot) - { - this.dot = dot; - handleHighlight(); - repaint(); - } - - public void setDot(int dot) - { - this.dot = dot; - this.mark = dot; - handleHighlight(); - repaint(); - } - - public boolean isVisible() - { - return visible; - } - - public void setVisible(boolean v) - { - visible = v; - repaint(); - } - - protected Highlighter.HighlightPainter getSelectionPainter() - { - return DefaultHighlighter.DefaultPainter; - } -} |