1 files changed, 0 insertions, 701 deletions
diff --git a/bundles/org.eclipse.swt/Eclipse SWT/motif/org/eclipse/swt/graphics/Device.java b/bundles/org.eclipse.swt/Eclipse SWT/motif/org/eclipse/swt/graphics/Device.java
deleted file mode 100755
index e5632e91a3..0000000000
--- a/bundles/org.eclipse.swt/Eclipse SWT/motif/org/eclipse/swt/graphics/Device.java
+++ /dev/null
@@ -1,701 +0,0 @@
-package org.eclipse.swt.graphics;
-
-/*
- * Copyright (c) 2000, 2002 IBM Corp.  All rights reserved.
- * This file is made available under the terms of the Common Public License v1.0
- * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/cpl-v10.html
- */
-
-import org.eclipse.swt.*;
-import org.eclipse.swt.internal.*;
-import org.eclipse.swt.internal.motif.*;
-
-/**
- * This class is the abstract superclass of all device objects,
- * such as the Display device and the Printer device. Devices
- * can have a graphics context (GC) created for them, and they
- * can be drawn on by sending messages to the associated GC.
- */
-public abstract class Device implements Drawable {
-	/**
-	* the handle to the X Display
-	* (Warning: This field is platform dependent)
-	*/
-	public int xDisplay;
-	
-	/**
-	* whether the XLFD resolution should match the
-	* resolution of the device when fonts are created
-	* (Warning: This field is platform dependent)
-	*/
-	// TEMPORARY CODE
-	public boolean setDPI;
-	
-	/* Debugging */
-	public static boolean DEBUG;
-	boolean debug = DEBUG;
-	public boolean tracking = DEBUG;
-	Error [] errors;
-	Object [] objects;
-
-	/* Arguments for XtOpenDisplay */
-	String display_name;
-	String application_name;
-	String application_class;
-		
-	/* Colormap and reference count for this display */
-	XColor [] xcolors;
-	int [] colorRefCount;
-	
-	/* System Colors */
-	Color COLOR_BLACK, COLOR_DARK_RED, COLOR_DARK_GREEN, COLOR_DARK_YELLOW, COLOR_DARK_BLUE;
-	Color COLOR_DARK_MAGENTA, COLOR_DARK_CYAN, COLOR_GRAY, COLOR_DARK_GRAY, COLOR_RED;
-	Color COLOR_GREEN, COLOR_YELLOW, COLOR_BLUE, COLOR_MAGENTA, COLOR_CYAN, COLOR_WHITE;
-	
-	/* System Font */
-	Font systemFont;
-
-	/* Warning and Error Handlers */
-	boolean warnings = true;
-	Callback xErrorCallback, xtWarningCallback, xIOErrorCallback, xtErrorCallback;
-	int xErrorProc, xtWarningProc, xIOErrorProc, xtErrorProc;
-	int xNullErrorProc, xtNullWarningProc, xNullIOErrorProc, xtNullErrorProc;
-	
-	/* Parsing Tables */
-	int tabMapping, crMapping, tabPointer, crPointer;
-	
-	/*
-	* TEMPORARY CODE. When a graphics object is
-	* created and the device parameter is null,
-	* the current Display is used. This presents
-	* a problem because SWT graphics does not
-	* reference classes in SWT widgets. The correct
-	* fix is to remove this feature. Unfortunately,
-	* too many application programs rely on this
-	* feature.
-	*
-	* This code will be removed in the future.
-	*/
-	protected static Device CurrentDevice;
-	protected static Runnable DeviceFinder;
-	static {
-		try {
-			Class.forName ("org.eclipse.swt.widgets.Display");
-		} catch (Throwable e) {}
-	}	
-
-/* 
-* TEMPORARY CODE 
-*/
-static Device getDevice () {
-	if (DeviceFinder != null) DeviceFinder.run();
-	Device device = CurrentDevice;
-	CurrentDevice = null;
-	return device;
-}
-
-/**
- * Constructs a new instance of this class.
- * <p>
- * You must dispose the device when it is no longer required. 
- * </p>
- *
- * @param data the DeviceData which describes the receiver
- *
- * @see #create
- * @see #init
- * @see DeviceData
- */
-public Device(DeviceData data) {
-	if (data != null) {
-		display_name = data.display_name;
-		application_name = data.application_name;
-		application_class = data.application_class;
-		tracking = data.tracking;
-		debug = data.debug;
-	}
-	create (data);
-	init ();
-	if (tracking) {
-		errors = new Error [128];
-		objects = new Object [128];
-	}
-	
-	/* Initialize the system font slot */
-	systemFont = getSystemFont ();
-}
-
-protected void checkDevice () {
-	if (xDisplay == 0) SWT.error (SWT.ERROR_DEVICE_DISPOSED);
-}
-
-protected void create (DeviceData data) {
-}
-
-protected void destroy () {
-}
-
-/**
- * Disposes of the operating system resources associated with
- * the receiver. After this method has been invoked, the receiver
- * will answer <code>true</code> when sent the message
- * <code>isDisposed()</code>.
- *
- * @see #release
- * @see #destroy
- * @see #checkDevice
- */
-public void dispose () {
-	if (isDisposed()) return;
-	checkDevice ();
-	release ();
-	destroy ();
-	xDisplay = 0;
-	if (tracking) {
-		objects = null;
-		errors = null;
-	}
-}
-
-void dispose_Object (Object object) {
-	for (int i=0; i<objects.length; i++) {
-		if (objects [i] == object) {
-			objects [i] = null;
-			errors [i] = null;
-			return;
-		}
-	}
-}
-
-/**
- * Returns a rectangle describing the receiver's size and location.
- *
- * @return the bounding rectangle
- *
- * @exception SWTException <ul>
- *    <li>ERROR_DEVICE_DISPOSED - if the receiver has been disposed</li>
- * </ul>
- */
-public Rectangle getBounds () {
-	checkDevice ();
-	int screen = OS.XDefaultScreen (xDisplay);
-	int width = OS.XDisplayWidth (xDisplay, screen);
-	int height = OS.XDisplayHeight (xDisplay, screen);
-	return new Rectangle (0, 0, width, height);
-}
-
-/**
- * Returns a rectangle which describes the area of the
- * receiver which is capable of displaying data.
- * 
- * @return the client area
- *
- * @exception SWTException <ul>
- *    <li>ERROR_DEVICE_DISPOSED - if the receiver has been disposed</li>
- * </ul>
- *
- * @see #getBounds
- */
-public Rectangle getClientArea () {
-	return getBounds ();
-}
-
-/**
- * Returns the bit depth of the screen, which is the number of
- * bits it takes to represent the number of unique colors that
- * the screen is currently capable of displaying. This number 
- * will typically be one of 1, 8, 15, 16, 24 or 32.
- *
- * @return the depth of the screen
- *
- * @exception SWTException <ul>
- *    <li>ERROR_DEVICE_DISPOSED - if the receiver has been disposed</li>
- * </ul>
- */
-public int getDepth () {
-	checkDevice ();
-	int xScreenPtr = OS.XDefaultScreenOfDisplay (xDisplay);
-	return OS.XDefaultDepthOfScreen (xScreenPtr);
-}
-
-/**
- * Returns a <code>DeviceData</code> based on the receiver.
- * Modifications made to this <code>DeviceData</code> will not
- * affect the receiver.
- *
- * @return a <code>DeviceData</code> containing the device's data and attributes
- *
- * @exception SWTException <ul>
- *    <li>ERROR_DEVICE_DISPOSED - if the receiver has been disposed</li>
- * </ul>
- *
- * @see DeviceData
- */
-public DeviceData getDeviceData () {
-	checkDevice ();
-	DeviceData data = new DeviceData ();
-	data.display_name = display_name;
-	data.application_name = application_name;
-	data.application_class = application_class;
-	data.debug = debug;
-	data.tracking = tracking;
-	int count = 0, length = 0;
-	if (tracking) length = objects.length;
-	for (int i=0; i<length; i++) {
-		if (objects [i] != null) count++;
-	}
-	int index = 0;
-	data.objects = new Object [count];
-	data.errors = new Error [count];
-	for (int i=0; i<length; i++) {
-		if (objects [i] != null) {
-			data.objects [index] = objects [i];
-			data.errors [index] = errors [i];
-			index++;
-		}
-	}
-	return data;
-}
-
-/**
- * Returns a point whose x coordinate is the horizontal
- * dots per inch of the display, and whose y coordinate
- * is the vertical dots per inch of the display.
- *
- * @return the horizontal and vertical DPI
- *
- * @exception SWTException <ul>
- *    <li>ERROR_DEVICE_DISPOSED - if the receiver has been disposed</li>
- * </ul>
- */
-public Point getDPI () {
-	checkDevice ();
-	int xScreenNum = OS.XDefaultScreen (xDisplay);
-	int width = OS.XDisplayWidth (xDisplay, xScreenNum);
-	int height = OS.XDisplayHeight (xDisplay, xScreenNum);
-	int mmX = OS.XDisplayWidthMM (xDisplay, xScreenNum);
-	int mmY = OS.XDisplayHeightMM (xDisplay, xScreenNum);
-	/* 0.03937 mm/inch */
-	double inchesX = mmX * 0.03937;
-	double inchesY = mmY * 0.03937;
-	int x = (int)((width / inchesX) + 0.5);
-	int y = (int)((height / inchesY) + 0.5);
-	return new Point (x, y);
-}
-
-/**
- * Returns <code>FontData</code> objects which describe
- * the fonts that match the given arguments. If the
- * <code>faceName</code> is null, all fonts will be returned.
- *
- * @param faceName the name of the font to look for, or null
- * @param scalable true if scalable fonts should be returned.
- * @return the matching font data
- *
- * @exception SWTException <ul>
- *    <li>ERROR_DEVICE_DISPOSED - if the receiver has been disposed</li>
- * </ul>
- */
-public FontData [] getFontList (String faceName, boolean scalable) {	
-	checkDevice ();
-	String xlfd;
-	if (faceName == null) {
-		xlfd = "-*-*-*-*-*-*-*-*-*-*-*-*-*-*";
-	} else {
-		int dashIndex = faceName.indexOf('-');
-		if (dashIndex < 0) {
-			xlfd = "-*-" + faceName + "-*-*-*-*-*-*-*-*-*-*-*-*";
-		} else {
-			xlfd = "-" + faceName + "-*-*-*-*-*-*-*-*-*-*-*-*";
-		}
-	}
-	/* Use the character encoding for the default locale */
-	byte [] buffer1 = Converter.wcsToMbcs (null, xlfd, true);
-	int [] ret = new int [1];
-	int listPtr = OS.XListFonts (xDisplay, buffer1, 65535, ret);
-	int ptr = listPtr;
-	int [] intBuf = new int [1];
-	FontData [] fd = new FontData [ret [0]];
-	int fdIndex = 0;
-	for (int i = 0; i < ret [0]; i++) {
-		OS.memmove (intBuf, ptr, 4);
-		int charPtr = intBuf [0];
-		int length = OS.strlen (charPtr);
-		byte [] buffer2 = new byte [length];
-		OS.memmove (buffer2, charPtr, length);
-		/* Use the character encoding for the default locale */
-		char [] chars = Converter.mbcsToWcs (null, buffer2);
-		FontData data = FontData.motif_new (new String (chars));
-		boolean isScalable = data.averageWidth == 0 && data.pixels == 0 && data.points == 0;
-		if (isScalable == scalable) {
-			fd [fdIndex++] = data;
-		}
-		ptr += 4;
-	}
-	OS.XFreeFontNames (listPtr);
-	if (fdIndex == ret [0]) return fd;
-	FontData [] result = new FontData [fdIndex];
-	System.arraycopy (fd, 0, result, 0, fdIndex);
-	return result;
-}
-
-/**
- * Returns the matching standard color for the given
- * constant, which should be one of the color constants
- * specified in class <code>SWT</code>. Any value other
- * than one of the SWT color constants which is passed
- * in will result in the color black. This color should
- * not be free'd because it was allocated by the system,
- * not the application.
- *
- * @param id the color constant
- * @return the matching color
- *
- * @exception SWTException <ul>
- *    <li>ERROR_DEVICE_DISPOSED - if the receiver has been disposed</li>
- * </ul>
- *
- * @see SWT
- */
-public Color getSystemColor (int id) {
-	checkDevice ();
-	XColor xColor = null;
-	switch (id) {
-		case SWT.COLOR_BLACK: 				return COLOR_BLACK;
-		case SWT.COLOR_DARK_RED: 			return COLOR_DARK_RED;
-		case SWT.COLOR_DARK_GREEN:	 		return COLOR_DARK_GREEN;
-		case SWT.COLOR_DARK_YELLOW: 			return COLOR_DARK_YELLOW;
-		case SWT.COLOR_DARK_BLUE: 			return COLOR_DARK_BLUE;
-		case SWT.COLOR_DARK_MAGENTA: 			return COLOR_DARK_MAGENTA;
-		case SWT.COLOR_DARK_CYAN: 			return COLOR_DARK_CYAN;
-		case SWT.COLOR_GRAY: 				return COLOR_GRAY;
-		case SWT.COLOR_DARK_GRAY: 			return COLOR_DARK_GRAY;
-		case SWT.COLOR_RED: 				return COLOR_RED;
-		case SWT.COLOR_GREEN: 				return COLOR_GREEN;
-		case SWT.COLOR_YELLOW: 				return COLOR_YELLOW;
-		case SWT.COLOR_BLUE: 				return COLOR_BLUE;
-		case SWT.COLOR_MAGENTA: 			return COLOR_MAGENTA;
-		case SWT.COLOR_CYAN: 				return COLOR_CYAN;
-		case SWT.COLOR_WHITE: 				return COLOR_WHITE;
-	}
-	if (xColor == null) return COLOR_BLACK;
-	return Color.motif_new (this, xColor);
-}
-
-/**
- * Returns a reasonable font for applications to use.
- * On some platforms, this will match the "default font"
- * or "system font" if such can be found.  This font
- * should not be free'd because it was allocated by the
- * system, not the application.
- * <p>
- * Typically, applications which want the default look
- * should simply not set the font on the widgets they
- * create. Widgets are always created with the correct
- * default font for the class of user-interface component
- * they represent.
- * </p>
- *
- * @return a font
- *
- * @exception SWTException <ul>
- *    <li>ERROR_DEVICE_DISPOSED - if the receiver has been disposed</li>
- * </ul>
- */
-public Font getSystemFont () {
-	checkDevice ();
-	return systemFont;
-}
-
-/**
- * Returns <code>true</code> if the underlying window system prints out
- * warning messages on the console, and <code>setWarnings</code>
- * had previously been called with <code>true</code>.
- *
- * @return <code>true</code>if warnings are being handled, and <code>false</code> otherwise
- *
- * @exception SWTException <ul>
- *    <li>ERROR_DEVICE_DISPOSED - if the receiver has been disposed</li>
- * </ul>
- */
-public boolean getWarnings () {
-	checkDevice ();
-	return warnings;
-}
-
-protected void init () {
-		
-	/* Create the warning and error callbacks */
-	xErrorCallback = new Callback (this, "xErrorProc", 2);
-	xNullErrorProc = xErrorCallback.getAddress ();
-	if (xNullErrorProc == 0) SWT.error (SWT.ERROR_NO_MORE_CALLBACKS);
-	xtWarningCallback = new Callback (this, "xtWarningProc", 1);
-	xtNullWarningProc = xtWarningCallback.getAddress ();
-	if (xtNullWarningProc == 0) SWT.error (SWT.ERROR_NO_MORE_CALLBACKS);
-	xIOErrorCallback = new Callback (this, "xIOErrorProc", 1);
-	xNullIOErrorProc = xIOErrorCallback.getAddress ();
-	if (xNullIOErrorProc == 0) SWT.error (SWT.ERROR_NO_MORE_CALLBACKS);
-	xtErrorCallback = new Callback (this, "xtErrorProc", 1);
-	xtNullErrorProc = xtErrorCallback.getAddress ();
-	if (xtNullErrorProc == 0) SWT.error (SWT.ERROR_NO_MORE_CALLBACKS);
-	
-	/* Set the warning and error handlers */
-	if (debug) OS.XSynchronize (xDisplay, true);
-	int xtContext = OS.XtDisplayToApplicationContext (xDisplay);
-	xErrorProc = OS.XSetErrorHandler (xNullErrorProc);
-	if (!debug) OS.XSetErrorHandler (xErrorProc);
-	xtWarningProc = OS.XtAppSetWarningHandler (xtContext, xtNullWarningProc);
-	if (!debug) OS.XtAppSetWarningHandler (xtContext, xtWarningProc);
-	xIOErrorProc = OS.XSetIOErrorHandler (xNullIOErrorProc);
-	if (!debug) OS.XSetIOErrorHandler (xIOErrorProc);
-	xtErrorProc = OS.XtAppSetErrorHandler (xtContext, xtNullErrorProc);
-	if (!debug) OS.XtAppSetErrorHandler (xtContext, xtErrorProc);
-	
-	/* Only use palettes for <= 8 bpp default visual */
-	int xScreenPtr = OS.XDefaultScreenOfDisplay (xDisplay);
-	int defaultDepth = OS.XDefaultDepthOfScreen (xScreenPtr);
-	if (defaultDepth <= 8) {
-		int numColors = 1 << defaultDepth;
-		colorRefCount = new int [numColors];
-		xcolors = new XColor [numColors];
-	}
-	
-	/*
-	* The following colors are listed in the Windows
-	* Programmer's Reference as the colors in the default
-	* palette.
-	*/
-	COLOR_BLACK = new Color (this, 0,0,0);
-	COLOR_DARK_RED = new Color (this, 0x80,0,0);
-	COLOR_DARK_GREEN = new Color (this, 0,0x80,0);
-	COLOR_DARK_YELLOW = new Color (this, 0x80,0x80,0);
-	COLOR_DARK_BLUE = new Color (this, 0,0,0x80);
-	COLOR_DARK_MAGENTA = new Color (this, 0x80,0,0x80);
-	COLOR_DARK_CYAN = new Color (this, 0,0x80,0x80);
-	COLOR_GRAY = new Color (this, 0xC0,0xC0,0xC0);
-	COLOR_DARK_GRAY = new Color (this, 0x80,0x80,0x80);
-	COLOR_RED = new Color (this, 0xFF,0,0);
-	COLOR_GREEN = new Color (this, 0,0xFF,0);
-	COLOR_YELLOW = new Color (this, 0xFF,0xFF,0);
-	COLOR_BLUE = new Color (this, 0,0,0xFF);
-	COLOR_MAGENTA = new Color (this, 0xFF,0,0xFF);
-	COLOR_CYAN = new Color (this, 0,0xFF,0xFF);
-	COLOR_WHITE = new Color (this, 0xFF,0xFF,0xFF);
-
-	/* Create the parsing tables */
-	byte[] tabBuffer = {(byte) '\t', 0};
-	tabPointer = OS.XtMalloc (tabBuffer.length);
-	OS.memmove (tabPointer, tabBuffer, tabBuffer.length);		
-	int tabString = OS.XmStringComponentCreate(OS.XmSTRING_COMPONENT_TAB, 0, null);
-	int [] argList = {
-		OS.XmNpattern, tabPointer,
-		OS.XmNsubstitute, tabString,
-	};
-	tabMapping = OS.XmParseMappingCreate(argList, argList.length / 2);
-	OS.XmStringFree(tabString);	
-	byte[] crBuffer = {(byte) '\n', 0};
-	crPointer = OS.XtMalloc (crBuffer.length);		
-	OS.memmove (crPointer, crBuffer, crBuffer.length);		
-	int crString = OS.XmStringComponentCreate(OS.XmSTRING_COMPONENT_SEPARATOR, 0, null);
-	argList = new int[] {
-		OS.XmNpattern, crPointer,
-		OS.XmNsubstitute, crString,
-	};
-	crMapping = OS.XmParseMappingCreate(argList, argList.length / 2);
-	OS.XmStringFree(crString);
-}
-
-/**	 
- * Invokes platform specific functionality to allocate a new GC handle.
- * <p>
- * <b>IMPORTANT:</b> This method is <em>not</em> part of the public
- * API for <code>Device</code>. It is marked public only so that it
- * can be shared within the packages provided by SWT. It is not
- * available on all platforms, and should never be called from
- * application code.
- * </p>
- *
- * @param data the platform specific GC data 
- * @return the platform specific GC handle
- *
- * @private
- */
-public abstract int internal_new_GC (GCData data);
-
-/**	 
- * Invokes platform specific functionality to dispose a GC handle.
- * <p>
- * <b>IMPORTANT:</b> This method is <em>not</em> part of the public
- * API for <code>Device</code>. It is marked public only so that it
- * can be shared within the packages provided by SWT. It is not
- * available on all platforms, and should never be called from
- * application code.
- * </p>
- *
- * @param handle the platform specific GC handle
- * @param data the platform specific GC data 
- *
- * @private
- */
-public abstract void internal_dispose_GC (int handle, GCData data);
-
-/**
- * Returns <code>true</code> if the device has been disposed,
- * and <code>false</code> otherwise.
- * <p>
- * This method gets the dispose state for the device.
- * When a device has been disposed, it is an error to
- * invoke any other method using the device.
- *
- * @return <code>true</code> when the device is disposed and <code>false</code> otherwise
- */
-public boolean isDisposed () {
-	return xDisplay == 0;
-}
-	
-void new_Object (Object object) {
-	for (int i=0; i<objects.length; i++) {
-		if (objects [i] == null) {
-			objects [i] = object;
-			errors [i] = new Error ();
-			return;
-		}
-	}
-	Object [] newObjects = new Object [objects.length + 128];
-	System.arraycopy (objects, 0, newObjects, 0, objects.length);
-	newObjects [objects.length] = object;
-	objects = newObjects;
-	Error [] newErrors = new Error [errors.length + 128];
-	System.arraycopy (errors, 0, newErrors, 0, errors.length);
-	newErrors [errors.length] = new Error ();
-	errors = newErrors;
-}
-
-protected void release () {
-	/* Free the parsing tables */
-	OS.XtFree(tabPointer);
-	OS.XtFree(crPointer);
-	OS.XmParseMappingFree(tabMapping);
-	OS.XmParseMappingFree(crMapping);
-	tabPointer = crPointer = tabMapping = crMapping = 0;
-
-	/*
-	* Free the palette.  Note that this disposes all colors on
-	* the display that were allocated using the Color constructor.
-	*/
-	if (xcolors != null) {
-		int xScreen = OS.XDefaultScreen (xDisplay);
-		int xColormap = OS.XDefaultColormap (xDisplay, xScreen);
-		int [] pixel = new int [1];
-		for (int i = 0; i < xcolors.length; i++) {
-			XColor color = xcolors [i];
-			if (color != null) {
-				pixel [0] = color.pixel;
-				while (colorRefCount [i] > 0) {
-					OS.XFreeColors (xDisplay, xColormap, pixel, 1, 0);
-					--colorRefCount [i];
-				}
-			}
-		}
-	}
-	xcolors = null;
-	colorRefCount = null;
-	
-	COLOR_BLACK = COLOR_DARK_RED = COLOR_DARK_GREEN = COLOR_DARK_YELLOW =
-	COLOR_DARK_BLUE = COLOR_DARK_MAGENTA = COLOR_DARK_CYAN = COLOR_GRAY = COLOR_DARK_GRAY = COLOR_RED =
-	COLOR_GREEN = COLOR_YELLOW = COLOR_BLUE = COLOR_MAGENTA = COLOR_CYAN = COLOR_WHITE = null;
-	
-	/* Free the Xt error handler */
-	int xtContext = OS.XtDisplayToApplicationContext (xDisplay);
-	OS.XtAppSetErrorHandler (xtContext, xtErrorProc);
-	xtErrorCallback.dispose (); xtErrorCallback = null;
-	xtNullErrorProc = xtErrorProc = 0;
-	
-	/* Free the Xt Warning handler */
-	OS.XtAppSetWarningHandler (xtContext, xtWarningProc);
-	xtWarningCallback.dispose (); xtWarningCallback = null;
-	xtNullWarningProc = xtWarningProc = 0;
-	
-	/* Free the X IO error handler */
-	OS.XSetIOErrorHandler (xIOErrorProc);
-	xIOErrorCallback.dispose (); xIOErrorCallback = null;
-	xNullIOErrorProc = xIOErrorProc = 0;
-	
-	/* Free the X error handler */
-	/*
-	* Bug in Motif.  For some reason, when a pixmap is
-	* set into a button or label, despite the fact that
-	* the pixmap is cleared from the widget before it
-	* is disposed, Motif still references the pixmap
-	* and attempts to dispose it in XtDestroyApplicationContext().
-	* The fix is to install the null error handler to avoid the
-	* warning.
-	*
-	* NOTE: The warning callback is leaked.
-	*/
-	OS.XSetErrorHandler (xNullErrorProc);
-//	OS.XSetErrorHandler (xErrorProc);
-//	xErrorCallback.dispose (); xErrorCallback = null;
-//	xNullErrorProc = xErrorProc = 0;
-}
-
-/**
- * If the underlying window system supports printing warning messages
- * to the console, setting warnings to <code>true</code> prevents these
- * messages from being printed. If the argument is <code>false</code>
- * message printing is not blocked.
- *
- * @param warnings <code>true</code>if warnings should be handled, and <code>false</code> otherwise
- *
- * @exception SWTException <ul>
- *    <li>ERROR_DEVICE_DISPOSED - if the receiver has been disposed</li>
- * </ul>
- */
-public void setWarnings (boolean warnings) {
-	checkDevice ();
-	this.warnings = warnings;
-	if (debug) return;
-	int xtContext = OS.XtDisplayToApplicationContext (xDisplay);
-	if (warnings) {
-		OS.XSetErrorHandler (xErrorProc);
-		OS.XtAppSetWarningHandler (xtContext, xtWarningProc);
-	} else {
-		OS.XSetErrorHandler (xNullErrorProc);
-		OS.XtAppSetWarningHandler (xtContext, xtNullWarningProc);
-	}
-}
-
-int xErrorProc (int xDisplay, int xErrorEvent) {
-	if (DEBUG || (debug && warnings)) {
-		new SWTError ().printStackTrace ();
-		OS.Call (xErrorProc, xDisplay, xErrorEvent);
-	}
-	return 0;
-}
-
-int xIOErrorProc (int xDisplay) {
-	if (DEBUG || debug) {
-		new SWTError ().printStackTrace ();
-		OS.Call (xIOErrorProc, xDisplay, 0);
-	}
-	return 0;
-}
-
-int xtErrorProc (int message) {
-	if (DEBUG || debug) {
-		new SWTError ().printStackTrace ();
-		OS.Call (xtErrorProc, message, 0);
-	}
-	return 0;
-}
-
-int xtWarningProc (int message) {
-	if (DEBUG || (debug && warnings)) {
-		new SWTError ().printStackTrace ();
-		OS.Call (xtWarningProc, message, 0);
-	}
-	return 0;
-}
-
-}