bundles/org.eclipse.swt/Eclipse SWT PI/carbon/org/eclipse/swt/internal/carbon/MacUtil.java - platform/eclipse.platform.swt - Git at Google

 /*
  * Copyright (c) 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
  *
  * Andre Weinand, OTI - Initial version
  */
 package org.eclipse.swt.internal.carbon;

 import org.eclipse.swt.*;
 import org.eclipse.swt.widgets.*;
 import org.eclipse.swt.graphics.*;
 import org.eclipse.swt.internal.Callback;

 public class MacUtil {

 	public final static boolean DEBUG;

 	public final static boolean USE_MENU_ICONS;

 	/** Prevent use of standard Mac shortcuts Cmd-Q, Cmd-H */
 	public final static boolean KEEP_MAC_SHORTCUTS;
 	public final static boolean FULL_KBD_NAV;

 	/** use HIViews instead of ControlManager controls */
 	public final static boolean HIVIEW;
 	/** use setFrame calls instead of setBounds */
 	public final static boolean USE_FRAME;

 	static final char MNEMONIC = '&';

 	static {
 		DEBUG= false;
 		USE_MENU_ICONS= true;
 		KEEP_MAC_SHORTCUTS= true;
 		FULL_KBD_NAV= true;
 		HIVIEW= false;
 		USE_FRAME= false;
 	}

 	//////////////////////////////////////////////////////////////////////

 	private static int fViewClassID= 0;

 	static int createCallback(String method, int argCount) {
 		Callback cb= new Callback(MacUtil.class, method, argCount);
 		int proc= cb.getAddress();
 		return proc;
 	}

 	static int hiobProc(int a, int b, int c) {
 		System.out.println("hiobProc");
 		return OS.kNoErr;
 	}

 	static int createHIView() {
 		int rc;

 		if (fViewClassID == 0) {

 			fViewClassID= OS.CFStringCreateWithCharacters("org.eclipse.swt.hiview");
 			int baseClassID= OS.CFStringCreateWithCharacters("com.apple.hiview");

 			int[] events= new int[] {
 				OS.kEventClassHIObject, OS.kEventHIObjectConstruct,
 				//OS.kEventClassHIObject, OS.kEventHIObjectInitialize,
 				OS.kEventClassHIObject, OS.kEventHIObjectDestruct,

 				OS.kEventClassControl,	OS.kEventControlDraw,
 				OS.kEventClassControl,	OS.kEventControlAddedSubControl,
 				OS.kEventClassControl,	OS.kEventControlRemovingSubControl,
 			};

 			int hiobProc= createCallback("hiobProc", 3);

 			int[] tmp= new int[1];
 			rc= OS.HIObjectRegisterSubclass(fViewClassID, baseClassID, 0, hiobProc, events, 0, tmp);
 			System.out.println("HIObjectRegisterSubclass: " + rc);

 			OS.CFRelease(baseClassID);
 		}

 		int[] oref= new int[1];
 		//rc= OS.HIObjectCreate(fViewClassID, 0, oref);
 		rc= OS.HIObjectCreate(OS.CFStringCreateWithCharacters("com.apple.hiview"), 0, oref);
 		System.out.println("HIObjectCreate: " + rc + " " + oref[0]);
 		return oref[0];
 	}

 	//////////////////////////////////////////////////////////////////////

 	public static int getChild(int handle, int[] t, int n, int i) {
 		int index= (n-1 - i);
 		int status= OS.GetIndexedSubControl(handle, (short)(index+1), t);
 		if (status != OS.kNoErr)
 			System.out.println("MacUtil.getChild: error");
 		return status;
 	}

 	public static int indexOf(int parentHandle, int handle) {
 		int n= countSubControls(parentHandle);
 		int[] outControl= new int[1];
 		for (int i= 0; i < n; i++) {
 			if (getChild(parentHandle, outControl, n, i) == OS.kNoErr)
 				if (outControl[0] == handle)
 					return i;
 		}
 		return -1;
 	}

 	/**
 	 * Inserts the given child at position in the parent.
 	 * If pos is out of range the child is added at the end (below all other).
 	 */
 	private static void insertControl(int controlHandle, int parentControlHandle, int pos) {


 		int n= countSubControls(parentControlHandle);

 		int should= pos;
 		if (should < 0 || should > n)
 			should= n;

 		boolean add= false;
 		if (getSuperControl(controlHandle) != parentControlHandle) {
 			add= true;
 		} else {
 			/*
 			String w1= getHIObjectClassID(parentControlHandle);
 			String w2= getHIObjectClassID(controlHandle);
 			System.out.println("MacUtil.insertControl: already there: " + w1 + " " + w2);
 			*/
 			if (n == 1)
 				return;
 		}

 		if (n == 0) {
 			OS.HIViewAddSubview(parentControlHandle, controlHandle);
 			pos= 0;
 		} else {
 			if (pos >= 0 && pos < n) {
 				int[] where= new int[1];
 				getChild(parentControlHandle, where, n, pos);
 				if (add)
 					OS.HIViewAddSubview(parentControlHandle, controlHandle);
 				OS.HIViewSetZOrder(controlHandle, OS.kHIViewZOrderAbove, where[0]);
 			} else {
 				if (add)
 					OS.HIViewAddSubview(parentControlHandle, controlHandle);
 				if (OS.HIViewSetZOrder(controlHandle, OS.kHIViewZOrderBelow, 0) != OS.kNoErr)
 					System.out.println("error 2");
 				pos= n;
 			}
 		}

 		// verify correct position
 		int i= indexOf(parentControlHandle, controlHandle);
 		if (i != should)
 			System.out.println("MacUtil.insertControl: is: "+i+" should: "+ should  + " n:" + n + " add: " + add);
 	}

 	/**
 	 * Adds the given child at the end.
 	 */
 	public static void addControl(int controlHandle, int parentControlHandle) {
 		insertControl(controlHandle, parentControlHandle, -1);
 	}

 	public static int getVisibleRegion(int cHandle, int result, boolean includingTop) {
 		int tmpRgn= OS.NewRgn();

 		getControlRegion(cHandle, OS.kControlEntireControl, result);

 		int parent= cHandle;
 		while ((parent= MacUtil.getSuperControl(parent)) != 0) {
 			getControlRegion(parent, OS.kControlContentMetaPart, tmpRgn);
 			OS.SectRgn(result, tmpRgn, result);
 		}

 		if (includingTop) {
 			int n= countSubControls(cHandle);
 			if (n > 0) {
 				//System.out.println("have children on top");
 				int[] outHandle= new int[1];
 				for (int i= 0; i < n; i++) {
 					int index= i; // was: n-1-i
 					if (OS.GetIndexedSubControl(cHandle, (short)(index+1), outHandle) == 0) {	// indices are 1 based
 						if (OS.IsControlVisible(outHandle[0])) {
 							getControlRegion(outHandle[0], OS.kControlStructureMetaPart, tmpRgn);
 							OS.DiffRgn(result, tmpRgn, result);
 						}
 					} else
 						throw new SWTError();
 				}
 			}
 		}

 		OS.DisposeRgn(tmpRgn);

 		return OS.kNoErr;
 	}

 	private static int find(int cHandle, Rectangle parentBounds, MacRect tmp, Point where) {

 		if (! OS.IsControlVisible(cHandle))
 			return 0;
 		if (! OS.IsControlActive(cHandle))
 			return 0;

 		OS.GetControlBounds(cHandle, tmp.getData());
 		Rectangle rr= tmp.toRectangle();
 		if (parentBounds != null)
 			rr= parentBounds.intersection(rr);

 		int n= countSubControls(cHandle);
 		if (n > 0) {
 			int[] outHandle= new int[1];
 			for (int i= 0; i < n; i++) {
 				int index= (n-1-i);
 				if (OS.GetIndexedSubControl(cHandle, (short)(index+1), outHandle) == 0) {	// indices are 1 based
 					int result= find(outHandle[0], rr, tmp, where);
 					if (result != 0)
 						return result;
 				}
 			}
 		}

 		if (rr.contains(where))
 			return cHandle;
 		return 0;
 	}

 	//////////////////////////////////////////////////////////////////////

 	public static Point toControl(int cHandle, Point point) {
 		MacPoint mp= new MacPoint(point);

 		int wHandle= OS.GetControlOwner(cHandle);
 		int port= OS.GetWindowPort(wHandle);
 		OS.QDGlobalToLocalPoint(port, mp.getData());

 		MacRect bounds= new MacRect();
 		OS.GetControlBounds(cHandle, bounds.getData());

 		Point p= mp.toPoint();
 		p.x-= bounds.getX();
 		p.y-= bounds.getY();

 		/*
 		float[] p2= new float[2];
 		p2[0]= mp.getX();
 		p2[1]= mp.getY();
 		OS.HIViewConvertPoint(p2, 0, cHandle);
 		System.out.println("MacUtil.toControl: " + p + "  " + p2[0] + " " + p2[1]);
 		*/

 		return p;
 	}

 	public static Point toDisplay(int cHandle, Point point) {
 		MacRect bounds= new MacRect();
 		OS.GetControlBounds(cHandle, bounds.getData());
 		MacPoint mp= new MacPoint(point.x+bounds.getX(), point.y+bounds.getY());

 		int wHandle= OS.GetControlOwner(cHandle);
 		int port= OS.GetWindowPort(wHandle);
 		OS.QDLocalToGlobalPoint(port, mp.getData());

 		return mp.toPoint();
 	}

 	private static void getControlRegion(int cHandle, short part, int rgn) {
 		if (true) {
 			short[] bounds= new short[4];
 			OS.GetControlBounds(cHandle, bounds);
 			OS.RectRgn(rgn, bounds);
 		} else {
 			OS.GetControlRegion(cHandle, part, rgn);
 		}
 	}

 	// Hit detection on the Mac is reversed and doesn't consider clipping,
 	// so we have to do it ourselves

 	public static int findControlUnderMouse(MacPoint where, int wHandle, short[] cpart) {

 		int root;
 		if (true) {
 			int[] rootHandle= new int[1];
 			int rc= OS.GetRootControl(wHandle, rootHandle);
 			if (rc != OS.kNoErr) {
 				System.out.println("MacUtil.findControlUnderMouse: " + rc);
 				return 0;
 			}
 			root= rootHandle[0];
 		} else {
 			root= OS.HIViewGetRoot(wHandle);
 		}
 		Point w= where.toPoint();
 		int cHandle= find(root, null, new MacRect(), w);
 		if (cHandle != 0 && cpart != null && cpart.length > 0) {
 			cpart[0]= OS.TestControl(cHandle, where.getData());
 			//System.out.println("findControlUnderMouse: " + cpart[0]);
 		}
 		return cHandle;
 	}

 	private static int countSubControls(int cHandle) {
 		short[] cnt= new short[1];
 		int status= OS.CountSubControls(cHandle, cnt);
 		switch (status) {
 		case OS.kNoErr:
 			return cnt[0];
 		case OS.errControlIsNotEmbedder:
 			//System.out.println("MacUtil.countSubControls: errControlIsNotEmbedder");
 			break;
 		case -30599: // OS.controlHandleInvalidErr
 			System.out.println("MacUtil.countSubControls: controlHandleInvalidErr");
 			break;
 		default:
 			System.out.println("MacUtil.countSubControls: " + status);
 			break;
 		}
 		return 0;
 	}

 	public static String getStringAndRelease(int sHandle) {
 		int length= OS.CFStringGetLength(sHandle);
 		char[] buffer= new char[length];
 		OS.CFStringGetCharacters(sHandle, 0, length, buffer);
 		OS.CFRelease(sHandle);
 		return new String(buffer);
 	}

 	public static byte[] Str255(String s) {
 		int l= 0;
 		if (s != null)
 			l= s.length();
 		if (l > 255) {
 			throw new SWTError(SWT.ERROR_INVALID_RANGE);
 			//System.out.println("MacUtil.Str255: string length > 255");
 		}
 		byte[] b= new byte[l+1];
 		b[0]= (byte) l;
 		for (int i= 0; i < l; i++)
 			b[i+1]= (byte) s.charAt(i);
 		return b;
 	}

 	public static String toString(byte[] str255) {
 		int n= str255[0];
 		char[] c= new char[n];
 		for (int i= 0; i < n; i++)
 			c[i]= (char) str255[i+1];
 		return new String(c);
 	}

 	public static int OSType(String s) {
 		return ((s.charAt(0) & 0xff) << 24) | ((s.charAt(1) & 0xff) << 16) | ((s.charAt(2) & 0xff) << 8) | (s.charAt(3) & 0xff);
 	}

 	public static String getHIObjectClassID(int handle) {
 		int sh= OS.HIObjectCopyClassID(handle);
 		return getStringAndRelease(sh);
 	}

 	/**
 	 * Create a new control and embed it in the given parent control.
 	 */
 	public static int newControl(int parentControlHandle, short procID) {
 		return newControl(parentControlHandle, -1, (short)0, (short)0, (short)0, procID);
 	}

 	/**
 	 * Create a new control and embed it in the given parent control.
 	 */
 	public static int newControl(int parentControlHandle, short init, short min, short max, short procID) {
 		return newControl(parentControlHandle, -1, init, min, max, procID);
 	}

 	/**
 	 * Create a new control and embed it in the given parent control.
 	 */
 	public static int newControl(int parentControlHandle, int pos, short init, short min, short max, short procID) {
 		int controlHandle;
 		if (HIVIEW) {
 			controlHandle= OS.NewControl(0, false, init, min, max, procID);
 			insertControl(controlHandle, parentControlHandle, pos);
 			OS.HIViewSetVisible(controlHandle, true);
 			OS.HIViewSetNeedsDisplay(controlHandle, true);
 		} else {
 			int windowHandle= OS.GetControlOwner(parentControlHandle);
 			controlHandle= OS.NewControl(windowHandle, false, init, min, max, procID);
 			insertControl(controlHandle, parentControlHandle, pos);
 			initLocation(controlHandle);
 			OS.HIViewSetVisible(controlHandle, true);
 		}

 		return controlHandle;
 	}

 	public static int createDrawingArea(int parentControlHandle, int pos, boolean visible, int width, int height, int border) {
 		int features= OS.kControlSupportsEmbedding | OS.kControlSupportsFocus | OS.kControlGetsFocusOnClick;
 		int controlHandle;
 		if (HIVIEW) {
 			features |= OS.kControlHandlesTracking;
 			controlHandle= OS.NewControl(0, false, (short)features, (short)0, (short)0, OS.kControlUserPaneProc);
 			OS.SizeControl(controlHandle, (short)width, (short)height);
 			insertControl(controlHandle, parentControlHandle, pos);
 			OS.HIViewSetVisible(controlHandle, visible);
 			OS.HIViewSetNeedsDisplay(controlHandle, true);
 		} else {
 			int windowHandle= OS.GetControlOwner(parentControlHandle);
 			controlHandle= OS.NewControl(windowHandle, false, (short)features, (short)0, (short)0, OS.kControlUserPaneProc);
 			OS.SizeControl(controlHandle, (short)width, (short)height);
 			insertControl(controlHandle, parentControlHandle, pos);
 			initLocation(controlHandle);
 			OS.HIViewSetVisible(controlHandle, visible);
 		}
 		return controlHandle;
 	}

 	public static void initLocation(int cHandle) {
 		int parent= getSuperControl(cHandle);
 		short[] bounds= new short[4];
 		OS.GetControlBounds(parent, bounds);
 		short x= bounds[1];
 		short y= bounds[0];
 		if (x > 0 || y > 0)
 			OS.MoveControl(cHandle, x, y);
 	}

 	/**
 	 * Returns the parent of the given control or null if the control is a root control.
 	 */
 	public static int getSuperControl(int cHandle) {

 		int wHandle= OS.GetControlOwner(cHandle);
 		if (wHandle == 0) {
 			//System.out.println("MacUtil.getSuperControl: GetControlOwner error");
 			return 0;
 		}
 		int[] rootHandle= new int[1];
 		OS.GetRootControl(wHandle, rootHandle);
 		if (cHandle == rootHandle[0])
 			return 0;

 		int[] parentHandle= new int[1];
 		int rc= OS.GetSuperControl(cHandle, parentHandle);
 		if (rc != OS.kNoErr)
 			System.out.println("MacUtil.getSuperControl: " + rc);
 		return parentHandle[0];
 	}

 	public static void dump(int matchHandle) {
 		int wHandle= OS.GetControlOwner(matchHandle);
 		int[] rootHandle= new int[1];
 		OS.GetRootControl(wHandle, rootHandle);
 		dump(rootHandle[0], 0, matchHandle);
 		System.out.println();
 	}

 	public static void dump(int cHandle, int level, int matchHandle) {
 		for (int x= 0; x < level; x++)
 			System.out.print("  ");
 		Widget w= WidgetTable.get(cHandle);
 		if (w != null)
 			System.out.print(w);
 		else
 			System.out.print(cHandle);

 		MacRect bounds= new MacRect();
 		OS.GetControlBounds(cHandle, bounds.getData());
 		System.out.print(" " + bounds.toRectangle());

 		if (cHandle == matchHandle)
 			System.out.println(" ******************");
 		else
 			System.out.println();

 		int n= countSubControls(cHandle);
 		if (n > 0) {
 			int[] outHandle= new int[1];
 			for (int i= 0; i < n; i++) {
 				if (OS.GetIndexedSubControl(cHandle, (short)(i+1), outHandle) == 0)
 					dump(outHandle[0], level+1, matchHandle);
 			}
 		}
 	}

 	public static Point computeSize(int handle) {
 		if (OS.IsValidControlHandle(handle)) {
 			MacRect rect= new MacRect();
 			short[] base= new short[1];
 			OS.GetBestControlRect(handle, rect.getData(), base);
 			if (rect.isEmpty())
 				System.out.println("MacUtil.computeSize: 0 size");
 			return rect.getSize();
 		}
 		System.out.println("MacUtil.computeSize: unknown handle type");
 		return new Point(50, 50);
 	}

 	public static int getDisplayWidth() {
 		MacRect bounds= new MacRect();
 		OS.GetAvailableWindowPositioningBounds(OS.GetMainDevice(), bounds.getData());
 		return bounds.getWidth();
 	}

 	public static int getDisplayHeight() {
 		MacRect bounds= new MacRect();
 		OS.GetAvailableWindowPositioningBounds(OS.GetMainDevice(), bounds.getData());
 		return bounds.getHeight();
 	}

 	public static String toString(int i) {
 		StringBuffer sb= new StringBuffer();
 		sb.append((char)((i & 0xff000000) >> 24));
 		sb.append((char)((i & 0x00ff0000) >> 16));
 		sb.append((char)((i & 0x0000ff00) >> 8));
 		sb.append((char)((i & 0x000000ff) >> 0));
 		return sb.toString();
 	}

 	public static String removeMnemonics(String s) {
 		if (s != null) {
 			int l= s.length();
 			if (l > 0) {
 				char[] buf= new char[l];
 				int j= 0;
 				for (int i= 0; i < l; i++) {
 					char c= s.charAt(i);
 					if (c != MNEMONIC)
 						buf[j++]= c;
 				}
 				return new String(buf, 0, j);
 			}
 		}
 		return s;
 	}

 	public static void RGBBackColor(int packed) {
 		if ((packed & 0xff000000) == 0) {
 			OS.RGBBackColor((short)(((packed >> 16) & 0xFF) * 257),
 							(short)(((packed >> 8) & 0xFF) * 257),
 							(short)(((packed) & 0xFF) * 257));
 		} else {
 			OS.RGBBackColor((short)0xFFFF, (short)0xFFFF, (short)0xFFFF);
 		}
 	}

 	public static void RGBForeColor(int packed) {
 		if ((packed & 0xff000000) == 0) {
 			OS.RGBForeColor((short)(((packed >> 16) & 0xFF) * 257),
 							(short)(((packed >> 8) & 0xFF) * 257),
 							(short)(((packed) & 0xFF) * 257));
 		} else {
 			OS.RGBForeColor((short)0xFFFF, (short)0xFFFF, (short)0xFFFF);
 		}
 	}

 	public static int[] getDataBrowserItems(int dataBrowserHandle, int containerID, int state, boolean recurse) {
 		int resultHandle= 0;
 		try {
 			resultHandle= OS.NewHandle(0);
 			if (OS.GetDataBrowserItems(dataBrowserHandle, containerID, recurse, state, resultHandle) == OS.kNoErr) {
 				int itemCount= OS.GetHandleSize(resultHandle) / 4;	// sizeof(int)
 				if (itemCount > 0) {
 					int resultIDs[]= new int[itemCount];
 					OS.getHandleData(resultHandle, resultIDs);
 					return resultIDs;
 				}
 			}
 		} finally {
 			OS.DisposeHandle(resultHandle);
 		}
 		return new int[0];
 	}

 	public static int[] getSelectionIDs(int dataBrowserHandle, int containerID, boolean recurse) {
 		return getDataBrowserItems(dataBrowserHandle, containerID, OS.kDataBrowserItemIsSelected, recurse);
 	}

 }
	/*
	* Copyright (c) 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
	*
	* Andre Weinand, OTI - Initial version
	*/
	package org.eclipse.swt.internal.carbon;

	import org.eclipse.swt.*;
	import org.eclipse.swt.widgets.*;
	import org.eclipse.swt.graphics.*;
	import org.eclipse.swt.internal.Callback;

	public class MacUtil {

	public final static boolean DEBUG;

	public final static boolean USE_MENU_ICONS;

	/** Prevent use of standard Mac shortcuts Cmd-Q, Cmd-H */
	public final static boolean KEEP_MAC_SHORTCUTS;
	public final static boolean FULL_KBD_NAV;

	/** use HIViews instead of ControlManager controls */
	public final static boolean HIVIEW;
	/** use setFrame calls instead of setBounds */
	public final static boolean USE_FRAME;

	static final char MNEMONIC = '&';

	static {
	DEBUG= false;
	USE_MENU_ICONS= true;
	KEEP_MAC_SHORTCUTS= true;
	FULL_KBD_NAV= true;
	HIVIEW= false;
	USE_FRAME= false;
	}

	//////////////////////////////////////////////////////////////////////

	private static int fViewClassID= 0;

	static int createCallback(String method, int argCount) {
	Callback cb= new Callback(MacUtil.class, method, argCount);
	int proc= cb.getAddress();
	return proc;
	}

	static int hiobProc(int a, int b, int c) {
	System.out.println("hiobProc");
	return OS.kNoErr;
	}

	static int createHIView() {
	int rc;

	if (fViewClassID == 0) {

	fViewClassID= OS.CFStringCreateWithCharacters("org.eclipse.swt.hiview");
	int baseClassID= OS.CFStringCreateWithCharacters("com.apple.hiview");

	int[] events= new int[] {
	OS.kEventClassHIObject, OS.kEventHIObjectConstruct,
	//OS.kEventClassHIObject, OS.kEventHIObjectInitialize,
	OS.kEventClassHIObject, OS.kEventHIObjectDestruct,

	OS.kEventClassControl, OS.kEventControlDraw,
	OS.kEventClassControl, OS.kEventControlAddedSubControl,
	OS.kEventClassControl, OS.kEventControlRemovingSubControl,
	};

	int hiobProc= createCallback("hiobProc", 3);

	int[] tmp= new int[1];
	rc= OS.HIObjectRegisterSubclass(fViewClassID, baseClassID, 0, hiobProc, events, 0, tmp);
	System.out.println("HIObjectRegisterSubclass: " + rc);

	OS.CFRelease(baseClassID);
	}

	int[] oref= new int[1];
	//rc= OS.HIObjectCreate(fViewClassID, 0, oref);
	rc= OS.HIObjectCreate(OS.CFStringCreateWithCharacters("com.apple.hiview"), 0, oref);
	System.out.println("HIObjectCreate: " + rc + " " + oref[0]);
	return oref[0];
	}

	//////////////////////////////////////////////////////////////////////

	public static int getChild(int handle, int[] t, int n, int i) {
	int index= (n-1 - i);
	int status= OS.GetIndexedSubControl(handle, (short)(index+1), t);
	if (status != OS.kNoErr)
	System.out.println("MacUtil.getChild: error");
	return status;
	}

	public static int indexOf(int parentHandle, int handle) {
	int n= countSubControls(parentHandle);
	int[] outControl= new int[1];
	for (int i= 0; i < n; i++) {
	if (getChild(parentHandle, outControl, n, i) == OS.kNoErr)
	if (outControl[0] == handle)
	return i;
	}
	return -1;
	}

	/**
	* Inserts the given child at position in the parent.
	* If pos is out of range the child is added at the end (below all other).
	*/
	private static void insertControl(int controlHandle, int parentControlHandle, int pos) {


	int n= countSubControls(parentControlHandle);

	int should= pos;
	if (should < 0 \|\| should > n)
	should= n;

	boolean add= false;
	if (getSuperControl(controlHandle) != parentControlHandle) {
	add= true;
	} else {
	/*
	String w1= getHIObjectClassID(parentControlHandle);
	String w2= getHIObjectClassID(controlHandle);
	System.out.println("MacUtil.insertControl: already there: " + w1 + " " + w2);
	*/
	if (n == 1)
	return;
	}

	if (n == 0) {
	OS.HIViewAddSubview(parentControlHandle, controlHandle);
	pos= 0;
	} else {
	if (pos >= 0 && pos < n) {
	int[] where= new int[1];
	getChild(parentControlHandle, where, n, pos);
	if (add)
	OS.HIViewAddSubview(parentControlHandle, controlHandle);
	OS.HIViewSetZOrder(controlHandle, OS.kHIViewZOrderAbove, where[0]);
	} else {
	if (add)
	OS.HIViewAddSubview(parentControlHandle, controlHandle);
	if (OS.HIViewSetZOrder(controlHandle, OS.kHIViewZOrderBelow, 0) != OS.kNoErr)
	System.out.println("error 2");
	pos= n;
	}
	}

	// verify correct position
	int i= indexOf(parentControlHandle, controlHandle);
	if (i != should)
	System.out.println("MacUtil.insertControl: is: "+i+" should: "+ should + " n:" + n + " add: " + add);
	}

	/**
	* Adds the given child at the end.
	*/
	public static void addControl(int controlHandle, int parentControlHandle) {
	insertControl(controlHandle, parentControlHandle, -1);
	}

	public static int getVisibleRegion(int cHandle, int result, boolean includingTop) {
	int tmpRgn= OS.NewRgn();

	getControlRegion(cHandle, OS.kControlEntireControl, result);

	int parent= cHandle;
	while ((parent= MacUtil.getSuperControl(parent)) != 0) {
	getControlRegion(parent, OS.kControlContentMetaPart, tmpRgn);
	OS.SectRgn(result, tmpRgn, result);
	}

	if (includingTop) {
	int n= countSubControls(cHandle);
	if (n > 0) {
	//System.out.println("have children on top");
	int[] outHandle= new int[1];
	for (int i= 0; i < n; i++) {
	int index= i; // was: n-1-i
	if (OS.GetIndexedSubControl(cHandle, (short)(index+1), outHandle) == 0) { // indices are 1 based
	if (OS.IsControlVisible(outHandle[0])) {
	getControlRegion(outHandle[0], OS.kControlStructureMetaPart, tmpRgn);
	OS.DiffRgn(result, tmpRgn, result);
	}
	} else
	throw new SWTError();
	}
	}
	}

	OS.DisposeRgn(tmpRgn);

	return OS.kNoErr;
	}

	private static int find(int cHandle, Rectangle parentBounds, MacRect tmp, Point where) {

	if (! OS.IsControlVisible(cHandle))
	return 0;
	if (! OS.IsControlActive(cHandle))
	return 0;

	OS.GetControlBounds(cHandle, tmp.getData());
	Rectangle rr= tmp.toRectangle();
	if (parentBounds != null)
	rr= parentBounds.intersection(rr);

	int n= countSubControls(cHandle);
	if (n > 0) {
	int[] outHandle= new int[1];
	for (int i= 0; i < n; i++) {
	int index= (n-1-i);
	if (OS.GetIndexedSubControl(cHandle, (short)(index+1), outHandle) == 0) { // indices are 1 based
	int result= find(outHandle[0], rr, tmp, where);
	if (result != 0)
	return result;
	}
	}
	}

	if (rr.contains(where))
	return cHandle;
	return 0;
	}

	//////////////////////////////////////////////////////////////////////

	public static Point toControl(int cHandle, Point point) {
	MacPoint mp= new MacPoint(point);

	int wHandle= OS.GetControlOwner(cHandle);
	int port= OS.GetWindowPort(wHandle);
	OS.QDGlobalToLocalPoint(port, mp.getData());

	MacRect bounds= new MacRect();
	OS.GetControlBounds(cHandle, bounds.getData());

	Point p= mp.toPoint();
	p.x-= bounds.getX();
	p.y-= bounds.getY();

	/*
	float[] p2= new float[2];
	p2[0]= mp.getX();
	p2[1]= mp.getY();
	OS.HIViewConvertPoint(p2, 0, cHandle);
	System.out.println("MacUtil.toControl: " + p + " " + p2[0] + " " + p2[1]);
	*/

	return p;
	}

	public static Point toDisplay(int cHandle, Point point) {
	MacRect bounds= new MacRect();
	OS.GetControlBounds(cHandle, bounds.getData());
	MacPoint mp= new MacPoint(point.x+bounds.getX(), point.y+bounds.getY());

	int wHandle= OS.GetControlOwner(cHandle);
	int port= OS.GetWindowPort(wHandle);
	OS.QDLocalToGlobalPoint(port, mp.getData());

	return mp.toPoint();
	}

	private static void getControlRegion(int cHandle, short part, int rgn) {
	if (true) {
	short[] bounds= new short[4];
	OS.GetControlBounds(cHandle, bounds);
	OS.RectRgn(rgn, bounds);
	} else {
	OS.GetControlRegion(cHandle, part, rgn);
	}
	}

	// Hit detection on the Mac is reversed and doesn't consider clipping,
	// so we have to do it ourselves

	public static int findControlUnderMouse(MacPoint where, int wHandle, short[] cpart) {

	int root;
	if (true) {
	int[] rootHandle= new int[1];
	int rc= OS.GetRootControl(wHandle, rootHandle);
	if (rc != OS.kNoErr) {
	System.out.println("MacUtil.findControlUnderMouse: " + rc);
	return 0;
	}
	root= rootHandle[0];
	} else {
	root= OS.HIViewGetRoot(wHandle);
	}
	Point w= where.toPoint();
	int cHandle= find(root, null, new MacRect(), w);
	if (cHandle != 0 && cpart != null && cpart.length > 0) {
	cpart[0]= OS.TestControl(cHandle, where.getData());
	//System.out.println("findControlUnderMouse: " + cpart[0]);
	}
	return cHandle;
	}

	private static int countSubControls(int cHandle) {
	short[] cnt= new short[1];
	int status= OS.CountSubControls(cHandle, cnt);
	switch (status) {
	case OS.kNoErr:
	return cnt[0];
	case OS.errControlIsNotEmbedder:
	//System.out.println("MacUtil.countSubControls: errControlIsNotEmbedder");
	break;
	case -30599: // OS.controlHandleInvalidErr
	System.out.println("MacUtil.countSubControls: controlHandleInvalidErr");
	break;
	default:
	System.out.println("MacUtil.countSubControls: " + status);
	break;
	}
	return 0;
	}

	public static String getStringAndRelease(int sHandle) {
	int length= OS.CFStringGetLength(sHandle);
	char[] buffer= new char[length];
	OS.CFStringGetCharacters(sHandle, 0, length, buffer);
	OS.CFRelease(sHandle);
	return new String(buffer);
	}

	public static byte[] Str255(String s) {
	int l= 0;
	if (s != null)
	l= s.length();
	if (l > 255) {
	throw new SWTError(SWT.ERROR_INVALID_RANGE);
	//System.out.println("MacUtil.Str255: string length > 255");
	}
	byte[] b= new byte[l+1];
	b[0]= (byte) l;
	for (int i= 0; i < l; i++)
	b[i+1]= (byte) s.charAt(i);
	return b;
	}

	public static String toString(byte[] str255) {
	int n= str255[0];
	char[] c= new char[n];
	for (int i= 0; i < n; i++)
	c[i]= (char) str255[i+1];
	return new String(c);
	}

	public static int OSType(String s) {
	return ((s.charAt(0) & 0xff) << 24) \| ((s.charAt(1) & 0xff) << 16) \| ((s.charAt(2) & 0xff) << 8) \| (s.charAt(3) & 0xff);
	}

	public static String getHIObjectClassID(int handle) {
	int sh= OS.HIObjectCopyClassID(handle);
	return getStringAndRelease(sh);
	}

	/**
	* Create a new control and embed it in the given parent control.
	*/
	public static int newControl(int parentControlHandle, short procID) {
	return newControl(parentControlHandle, -1, (short)0, (short)0, (short)0, procID);
	}

	/**
	* Create a new control and embed it in the given parent control.
	*/
	public static int newControl(int parentControlHandle, short init, short min, short max, short procID) {
	return newControl(parentControlHandle, -1, init, min, max, procID);
	}

	/**
	* Create a new control and embed it in the given parent control.
	*/
	public static int newControl(int parentControlHandle, int pos, short init, short min, short max, short procID) {
	int controlHandle;
	if (HIVIEW) {
	controlHandle= OS.NewControl(0, false, init, min, max, procID);
	insertControl(controlHandle, parentControlHandle, pos);
	OS.HIViewSetVisible(controlHandle, true);
	OS.HIViewSetNeedsDisplay(controlHandle, true);
	} else {
	int windowHandle= OS.GetControlOwner(parentControlHandle);
	controlHandle= OS.NewControl(windowHandle, false, init, min, max, procID);
	insertControl(controlHandle, parentControlHandle, pos);
	initLocation(controlHandle);
	OS.HIViewSetVisible(controlHandle, true);
	}

	return controlHandle;
	}

	public static int createDrawingArea(int parentControlHandle, int pos, boolean visible, int width, int height, int border) {
	int features= OS.kControlSupportsEmbedding \| OS.kControlSupportsFocus \| OS.kControlGetsFocusOnClick;
	int controlHandle;
	if (HIVIEW) {
	features \|= OS.kControlHandlesTracking;
	controlHandle= OS.NewControl(0, false, (short)features, (short)0, (short)0, OS.kControlUserPaneProc);
	OS.SizeControl(controlHandle, (short)width, (short)height);
	insertControl(controlHandle, parentControlHandle, pos);
	OS.HIViewSetVisible(controlHandle, visible);
	OS.HIViewSetNeedsDisplay(controlHandle, true);
	} else {
	int windowHandle= OS.GetControlOwner(parentControlHandle);
	controlHandle= OS.NewControl(windowHandle, false, (short)features, (short)0, (short)0, OS.kControlUserPaneProc);
	OS.SizeControl(controlHandle, (short)width, (short)height);
	insertControl(controlHandle, parentControlHandle, pos);
	initLocation(controlHandle);
	OS.HIViewSetVisible(controlHandle, visible);
	}
	return controlHandle;
	}

	public static void initLocation(int cHandle) {
	int parent= getSuperControl(cHandle);
	short[] bounds= new short[4];
	OS.GetControlBounds(parent, bounds);
	short x= bounds[1];
	short y= bounds[0];
	if (x > 0 \|\| y > 0)
	OS.MoveControl(cHandle, x, y);
	}

	/**
	* Returns the parent of the given control or null if the control is a root control.
	*/
	public static int getSuperControl(int cHandle) {

	int wHandle= OS.GetControlOwner(cHandle);
	if (wHandle == 0) {
	//System.out.println("MacUtil.getSuperControl: GetControlOwner error");
	return 0;
	}
	int[] rootHandle= new int[1];
	OS.GetRootControl(wHandle, rootHandle);
	if (cHandle == rootHandle[0])
	return 0;

	int[] parentHandle= new int[1];
	int rc= OS.GetSuperControl(cHandle, parentHandle);
	if (rc != OS.kNoErr)
	System.out.println("MacUtil.getSuperControl: " + rc);
	return parentHandle[0];
	}

	public static void dump(int matchHandle) {
	int wHandle= OS.GetControlOwner(matchHandle);
	int[] rootHandle= new int[1];
	OS.GetRootControl(wHandle, rootHandle);
	dump(rootHandle[0], 0, matchHandle);
	System.out.println();
	}

	public static void dump(int cHandle, int level, int matchHandle) {
	for (int x= 0; x < level; x++)
	System.out.print(" ");
	Widget w= WidgetTable.get(cHandle);
	if (w != null)
	System.out.print(w);
	else
	System.out.print(cHandle);

	MacRect bounds= new MacRect();
	OS.GetControlBounds(cHandle, bounds.getData());
	System.out.print(" " + bounds.toRectangle());

	if (cHandle == matchHandle)
	System.out.println(" ******************");
	else
	System.out.println();

	int n= countSubControls(cHandle);
	if (n > 0) {
	int[] outHandle= new int[1];
	for (int i= 0; i < n; i++) {
	if (OS.GetIndexedSubControl(cHandle, (short)(i+1), outHandle) == 0)
	dump(outHandle[0], level+1, matchHandle);
	}
	}
	}

	public static Point computeSize(int handle) {
	if (OS.IsValidControlHandle(handle)) {
	MacRect rect= new MacRect();
	short[] base= new short[1];
	OS.GetBestControlRect(handle, rect.getData(), base);
	if (rect.isEmpty())
	System.out.println("MacUtil.computeSize: 0 size");
	return rect.getSize();
	}
	System.out.println("MacUtil.computeSize: unknown handle type");
	return new Point(50, 50);
	}

	public static int getDisplayWidth() {
	MacRect bounds= new MacRect();
	OS.GetAvailableWindowPositioningBounds(OS.GetMainDevice(), bounds.getData());
	return bounds.getWidth();
	}

	public static int getDisplayHeight() {
	MacRect bounds= new MacRect();
	OS.GetAvailableWindowPositioningBounds(OS.GetMainDevice(), bounds.getData());
	return bounds.getHeight();
	}

	public static String toString(int i) {
	StringBuffer sb= new StringBuffer();
	sb.append((char)((i & 0xff000000) >> 24));
	sb.append((char)((i & 0x00ff0000) >> 16));
	sb.append((char)((i & 0x0000ff00) >> 8));
	sb.append((char)((i & 0x000000ff) >> 0));
	return sb.toString();
	}

	public static String removeMnemonics(String s) {
	if (s != null) {
	int l= s.length();
	if (l > 0) {
	char[] buf= new char[l];
	int j= 0;
	for (int i= 0; i < l; i++) {
	char c= s.charAt(i);
	if (c != MNEMONIC)
	buf[j++]= c;
	}
	return new String(buf, 0, j);
	}
	}
	return s;
	}

	public static void RGBBackColor(int packed) {
	if ((packed & 0xff000000) == 0) {
	OS.RGBBackColor((short)(((packed >> 16) & 0xFF) * 257),
	(short)(((packed >> 8) & 0xFF) * 257),
	(short)(((packed) & 0xFF) * 257));
	} else {
	OS.RGBBackColor((short)0xFFFF, (short)0xFFFF, (short)0xFFFF);
	}
	}

	public static void RGBForeColor(int packed) {
	if ((packed & 0xff000000) == 0) {
	OS.RGBForeColor((short)(((packed >> 16) & 0xFF) * 257),
	(short)(((packed >> 8) & 0xFF) * 257),
	(short)(((packed) & 0xFF) * 257));
	} else {
	OS.RGBForeColor((short)0xFFFF, (short)0xFFFF, (short)0xFFFF);
	}
	}

	public static int[] getDataBrowserItems(int dataBrowserHandle, int containerID, int state, boolean recurse) {
	int resultHandle= 0;
	try {
	resultHandle= OS.NewHandle(0);
	if (OS.GetDataBrowserItems(dataBrowserHandle, containerID, recurse, state, resultHandle) == OS.kNoErr) {
	int itemCount= OS.GetHandleSize(resultHandle) / 4; // sizeof(int)
	if (itemCount > 0) {
	int resultIDs[]= new int[itemCount];
	OS.getHandleData(resultHandle, resultIDs);
	return resultIDs;
	}
	}
	} finally {
	OS.DisposeHandle(resultHandle);
	}
	return new int[0];
	}

	public static int[] getSelectionIDs(int dataBrowserHandle, int containerID, boolean recurse) {
	return getDataBrowserItems(dataBrowserHandle, containerID, OS.kDataBrowserItemIsSelected, recurse);
	}

	}