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Added source for ByteEdit
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/*
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* 12/23/2008
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*
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* SizeGrip.java - A size grip component that sits at the bottom of the window,
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* allowing the user to easily resize that window.
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*
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* This library is distributed under a modified BSD license. See the included
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* AutoComplete.License.txt file for details.
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*/
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package org.fife.ui.autocomplete;
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import java.awt.Color;
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import java.awt.ComponentOrientation;
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import java.awt.Cursor;
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import java.awt.Dimension;
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import java.awt.Graphics;
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import java.awt.Image;
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import java.awt.Point;
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import java.awt.Window;
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import java.awt.event.MouseEvent;
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import java.io.File;
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import java.io.IOException;
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import java.net.MalformedURLException;
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import java.net.URL;
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import javax.imageio.ImageIO;
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import javax.swing.JPanel;
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import javax.swing.SwingUtilities;
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import javax.swing.UIManager;
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import javax.swing.event.MouseInputAdapter;
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/**
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* A component that allows its parent window to be resizable, similar to the
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* size grip seen on status bars. This is essentially a copy of the class with
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* the same name in RSyntaxTextArea, but is duplicated to prevent a dependency
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* on that library.
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*
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* @author Robert Futrell
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* @version 1.0
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*/
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class SizeGrip extends JPanel {
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/**
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* The size grip to use if we're on OS X.
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*/
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private Image osxSizeGrip;
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public SizeGrip() {
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MouseHandler adapter = new MouseHandler();
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addMouseListener(adapter);
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addMouseMotionListener(adapter);
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setPreferredSize(new Dimension(16, 16));
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}
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/**
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* Overridden to ensure that the cursor for this component is appropriate
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* for the orientation.
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*
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* @param o The new orientation.
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*/
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@Override
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public void applyComponentOrientation(ComponentOrientation o) {
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possiblyFixCursor(o.isLeftToRight());
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super.applyComponentOrientation(o);
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}
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/**
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* Creates and returns the OS X size grip image.
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*
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* @return The OS X size grip.
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*/
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private Image createOSXSizeGrip() {
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ClassLoader cl = getClass().getClassLoader();
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URL url = cl.getResource("org/fife/ui/autocomplete/osx_sizegrip.png");
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if (url==null) {
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// We're not running in a jar - we may be debugging in Eclipse,
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// for example
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File f = new File("../AutoComplete/src/org/fife/ui/autocomplete/osx_sizegrip.png");
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if (f.isFile()) {
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try {
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url = f.toURI().toURL();
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} catch (MalformedURLException mue) { // Never happens
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mue.printStackTrace();
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return null;
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}
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}
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else {
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return null; // Can't find resource or image file
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}
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}
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Image image = null;
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try {
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image = ImageIO.read(url);
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} catch (IOException ioe) { // Never happens
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ioe.printStackTrace();
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}
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return image;
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}
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/**
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* Paints this panel.
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*
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* @param g The graphics context.
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*/
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@Override
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protected void paintComponent(Graphics g) {
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super.paintComponent(g);
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Dimension dim = getSize();
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if (osxSizeGrip!=null) {
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g.drawImage(osxSizeGrip, dim.width-16, dim.height-16, null);
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return;
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}
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Color c1 = UIManager.getColor("Label.disabledShadow");
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Color c2 = UIManager.getColor("Label.disabledForeground");
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ComponentOrientation orientation = getComponentOrientation();
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if (orientation.isLeftToRight()) {
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int width = dim.width -= 3;
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int height = dim.height -= 3;
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g.setColor(c1);
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g.fillRect(width-9,height-1, 3,3);
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g.fillRect(width-5,height-1, 3,3);
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g.fillRect(width-1,height-1, 3,3);
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g.fillRect(width-5,height-5, 3,3);
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g.fillRect(width-1,height-5, 3,3);
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g.fillRect(width-1,height-9, 3,3);
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g.setColor(c2);
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g.fillRect(width-9,height-1, 2,2);
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g.fillRect(width-5,height-1, 2,2);
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g.fillRect(width-1,height-1, 2,2);
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g.fillRect(width-5,height-5, 2,2);
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g.fillRect(width-1,height-5, 2,2);
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g.fillRect(width-1,height-9, 2,2);
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}
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else {
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int height = dim.height -= 3;
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g.setColor(c1);
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g.fillRect(10,height-1, 3,3);
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g.fillRect(6,height-1, 3,3);
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g.fillRect(2,height-1, 3,3);
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g.fillRect(6,height-5, 3,3);
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g.fillRect(2,height-5, 3,3);
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g.fillRect(2,height-9, 3,3);
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g.setColor(c2);
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g.fillRect(10,height-1, 2,2);
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g.fillRect(6,height-1, 2,2);
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g.fillRect(2,height-1, 2,2);
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g.fillRect(6,height-5, 2,2);
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g.fillRect(2,height-5, 2,2);
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g.fillRect(2,height-9, 2,2);
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}
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}
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/**
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* Ensures that the cursor for this component is appropriate for the
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* orientation.
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*
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* @param ltr Whether the current component orientation is LTR.
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*/
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protected void possiblyFixCursor(boolean ltr) {
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int cursor = Cursor.NE_RESIZE_CURSOR;
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if (ltr) {
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cursor = Cursor.NW_RESIZE_CURSOR;
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}
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if (cursor!=getCursor().getType()) {
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setCursor(Cursor.getPredefinedCursor(cursor));
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}
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}
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@Override
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public void updateUI() {
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super.updateUI();
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// TODO: Key off of Aqua LaF, not just OS X, as this size grip looks
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// bad on other LaFs on Mac such as Nimbus.
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if (System.getProperty("os.name").contains("OS X")) {
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if (osxSizeGrip==null) {
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osxSizeGrip = createOSXSizeGrip();
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}
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}
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else { // Clear memory in case of runtime LaF change.
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osxSizeGrip = null;
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}
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}
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/**
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* Listens for mouse events on this panel and resizes the parent window
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* appropriately.
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*/
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/*
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* NOTE: We use SwingUtilities.convertPointToScreen() instead of just using
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* the locations relative to the corner component because the latter proved
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* buggy - stretch the window too wide and some kind of arithmetic error
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* started happening somewhere - our window would grow way too large.
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*/
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private class MouseHandler extends MouseInputAdapter {
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private Point origPos;
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@Override
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public void mouseDragged(MouseEvent e) {
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Point newPos = e.getPoint();
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SwingUtilities.convertPointToScreen(newPos, SizeGrip.this);
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int xDelta = newPos.x - origPos.x;
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int yDelta = newPos.y - origPos.y;
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Window wind = SwingUtilities.getWindowAncestor(SizeGrip.this);
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if (wind!=null) { // Should always be true
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if (getComponentOrientation().isLeftToRight()) {
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int w = wind.getWidth();
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if (newPos.x>=wind.getX()) {
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w += xDelta;
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}
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int h = wind.getHeight();
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if (newPos.y>=wind.getY()) {
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h += yDelta;
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}
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wind.setSize(w,h);
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}
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else { // RTL
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int newW = Math.max(1, wind.getWidth()-xDelta);
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int newH = Math.max(1, wind.getHeight()+yDelta);
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wind.setBounds(newPos.x, wind.getY(), newW, newH);
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}
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// invalidate()/validate() needed pre-1.6.
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wind.invalidate();
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wind.validate();
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}
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origPos.setLocation(newPos);
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}
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@Override
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public void mousePressed(MouseEvent e) {
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origPos = e.getPoint();
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SwingUtilities.convertPointToScreen(origPos, SizeGrip.this);
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}
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@Override
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public void mouseReleased(MouseEvent e) {
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origPos = null;
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}
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}
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}
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