bundles/org.eclipse.swt/Eclipse SWT/photon/org/eclipse/swt/widgets/Composite.java - platform/eclipse.platform.swt - Git at Google

 package org.eclipse.swt.widgets;

 /*
  * (c) Copyright IBM Corp. 2000, 2001.
  * All Rights Reserved
  */

 import org.eclipse.swt.internal.photon.*;
 import org.eclipse.swt.*;
 import org.eclipse.swt.graphics.*;

 public class Composite extends Scrollable {
 	Layout layout;

 Composite () {
 	/* Do nothing */
 }

 public Composite (Composite parent, int style) {
 	super (parent, style);
 }

 Control [] _getChildren () {
 	int count = 0;
 	int child = OS.PtWidgetChildFront (handle);
 	while (child != 0) {
 		child = OS.PtWidgetBrotherBehind (child);
 		count++;
 	}
 	Control [] children = new Control [count];
 	int i = 0, j = 0;
 	child = OS.PtWidgetChildFront (handle);
 	while (i < count) {
 		Widget widget = WidgetTable.get (child);
 		if (widget != null && widget != this) {
 			if (widget instanceof Control) {
 				children [j++] = (Control) widget;
 			}
 		}
 		i++;
 		child = OS.PtWidgetBrotherBehind (child);
 	}
 	if (i == j) return children;
 	Control [] newChildren = new Control [j];
 	System.arraycopy (children, 0, newChildren, 0, j);
 	return newChildren;
 }

 protected void checkSubclass () {
 	/* Do nothing - Subclassing is allowed */
 }

 public Point computeSize (int wHint, int hHint, boolean changed) {
 	if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS);
 	if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED);
 	Point size;
 	if (layout != null) {
 		if (wHint == SWT.DEFAULT || hHint == SWT.DEFAULT) {
 			size = layout.computeSize (this, wHint, hHint, changed);
 		} else {
 			size = new Point (wHint, hHint);
 		}
 	} else {
 		size = minimumSize ();
 	}
 	if (size.x == 0) size.x = DEFAULT_WIDTH;
 	if (size.y == 0) size.y = DEFAULT_HEIGHT;
 	if (wHint != SWT.DEFAULT) size.x = wHint;
 	if (hHint != SWT.DEFAULT) size.y = hHint;
 	Rectangle trim = computeTrim (0, 0, size.x, size.y);
 	return new Point (trim.width, trim.height);
 }

 void createHandle (int index) {
 	state |= HANDLE | CANVAS;
 	int parentHandle = parent.handle;
 	createScrolledHandle (parentHandle);
 }

 void createScrollBars () {
 	if (scrolledHandle == 0) return;
 	if ((style & SWT.H_SCROLL) != 0) {
 		horizontalBar = new ScrollBar (this, SWT.HORIZONTAL);
 	}
 	if ((style & SWT.V_SCROLL) != 0) {
 		verticalBar = new ScrollBar (this, SWT.VERTICAL);
 	}
 }

 void createScrolledHandle (int parentHandle) {
 	int etches = OS.Pt_ALL_ETCHES | OS.Pt_ALL_OUTLINES;
 	int [] args = new int [] {
 		OS.Pt_ARG_FLAGS, hasBorder () ? OS.Pt_HIGHLIGHTED : 0, OS.Pt_HIGHLIGHTED,
 		OS.Pt_ARG_BASIC_FLAGS, hasBorder () ? etches : 0, etches,
 		OS.Pt_ARG_CONTAINER_FLAGS, 0, OS.Pt_ENABLE_CUA | OS.Pt_ENABLE_CUA_ARROWS,
 		OS.Pt_ARG_RESIZE_FLAGS, 0, OS.Pt_RESIZE_XY_BITS,
 	};
 	scrolledHandle = OS.PtCreateWidget (OS.PtContainer (), parentHandle, args.length / 3, args);
 	if ((style & SWT.NO_BACKGROUND) != 0) {
 		args = new int [] {OS.Pt_ARG_FILL_COLOR, OS.Pg_TRANSPARENT, 0};
 		OS.PtSetResources(scrolledHandle, args.length / 3, args);
 	}
 	if (scrolledHandle == 0) error (SWT.ERROR_NO_HANDLES);
 	Display display = getDisplay ();
 	int clazz = display.PtContainer;
 	args = new int [] {
 		OS.Pt_ARG_CONTAINER_FLAGS, 0, OS.Pt_ENABLE_CUA | OS.Pt_ENABLE_CUA_ARROWS,
 		OS.Pt_ARG_RESIZE_FLAGS, 0, OS.Pt_RESIZE_XY_BITS,
 	};
 	handle = OS.PtCreateWidget (clazz, scrolledHandle, args.length / 3, args);
 	if (handle == 0) error (SWT.ERROR_NO_HANDLES);
 	createScrollBars ();
 }

 public Rectangle getClientArea () {
 	if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS);
 	if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED);
 	if (scrolledHandle == 0) return super.getClientArea ();
 	PhArea_t area = new PhArea_t ();
 	OS.PtWidgetArea (handle, area);
 	return new Rectangle (area.pos_x, area.pos_y, area.size_w, area.size_h);
 }

 public Control [] getChildren () {
 	if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS);
 	if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED);
 	return _getChildren ();
 }

 int getChildrenCount () {
 	int count = 0;
 	int child = OS.PtWidgetChildFront (handle);
 	while (child != 0) {
 		child = OS.PtWidgetBrotherBehind (child);
 		count++;
 	}
 	return count;
 }

 public Layout getLayout () {
 	if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS);
 	if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED);
 	return layout;
 }

 boolean hasBorder () {
 	return (style & SWT.BORDER) != 0;
 }

 boolean hasFocus () {
 	return OS.PtIsFocused (handle) == 2;
 }

 void hookEvents () {
 	super.hookEvents ();
 	int windowProc = getDisplay ().windowProc;
 	OS.PtAddCallback (handle, OS.Pt_CB_RESIZE, windowProc, SWT.Resize);
 }

 public void layout () {
 	if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS);
 	if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED);
 	layout (true);
 }

 Point minimumSize () {
 	Control [] children = _getChildren ();
 	int width = 0, height = 0;
 	for (int i=0; i<children.length; i++) {
 		Rectangle rect = children [i].getBounds ();
 		width = Math.max (width, rect.x + rect.width);
 		height = Math.max (height, rect.y + rect.height);
 	}
 	return new Point (width, height);
 }

 public void layout (boolean changed) {
 	if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS);
 	if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED);
 	if (layout == null) return;
 	int count = getChildrenCount ();
 	if (count == 0) return;
 	layout.layout (this, changed);
 }

 int processMouse (int info) {

 	/* Set focus for a canvas with no children */
 	if (OS.PtWidgetChildFront (handle) == 0) {
 		if ((state & CANVAS) != 0 && (style & SWT.NO_FOCUS) == 0) {
 			if (info == 0) return OS.Pt_END;
 			PtCallbackInfo_t cbinfo = new PtCallbackInfo_t ();
 			OS.memmove (cbinfo, info, PtCallbackInfo_t.sizeof);
 			if (cbinfo.event == 0) return OS.Pt_END;
 			PhEvent_t ev = new PhEvent_t ();
 			OS.memmove (ev, cbinfo.event, PhEvent_t.sizeof);
 			switch (ev.type) {
 				case OS.Ph_EV_BUT_PRESS: {
 					int data = OS.PhGetData (cbinfo.event);
 					if (data == 0) return OS.Pt_END;
 					PhPointerEvent_t pe = new PhPointerEvent_t ();
 					OS.memmove (pe, data, PhPointerEvent_t.sizeof);
 					if (pe.buttons == OS.Ph_BUTTON_SELECT) {
 						setFocus ();
 					}
 				}
 			}
 		}
 	}
 	return super.processMouse (info);
 }

 int processPaint (int damage) {
 	if ((state & CANVAS) != 0) {
 		if ((style & SWT.NO_BACKGROUND) == 0) {
 			OS.PtSuperClassDraw (OS.PtContainer (), handle, damage);
 		}
 	}
 	return super.processPaint (damage);
 }

 int processResize (int info) {
 	if (info == 0) return OS.Pt_CONTINUE;
 	PtCallbackInfo_t cbinfo = new PtCallbackInfo_t ();
 	OS.memmove (cbinfo, info, PtCallbackInfo_t.sizeof);
 	if (cbinfo.cbdata == 0) return OS.Pt_CONTINUE;
 	PtContainerCallback_t cbdata = new PtContainerCallback_t ();
 	OS.memmove(cbdata, cbinfo.cbdata, PtContainerCallback_t.sizeof);
 	if (cbdata.new_dim_w == cbdata.old_dim_w && cbdata.new_dim_h == cbdata.old_dim_h) {
 		return OS.Pt_CONTINUE;
 	}
 	sendEvent (SWT.Resize);
 	if (layout != null) layout (false);
 	return OS.Pt_CONTINUE;
 }

 void releaseChildren () {
 	Control [] children = _getChildren ();
 	for (int i=0; i<children.length; i++) {
 		Control child = children [i];
 		if (!child.isDisposed ()) {
 			child.releaseWidget ();
 			child.releaseHandle ();
 		}
 	}
 }

 void releaseWidget () {
 	releaseChildren ();
 	super.releaseWidget ();
 }

 void resizeClientArea () {
 	int [] args = {OS.Pt_ARG_WIDTH, 0, 0, OS.Pt_ARG_HEIGHT, 0, 0};
 	OS.PtGetResources (scrolledHandle, args.length / 3, args);
 	resizeClientArea (args [1], args [4]);
 }

 boolean sendResize () {
 	return false;
 }

 void resizeClientArea (int width, int height) {
 	if (scrolledHandle == 0) return;

 	/* Calculate the insets */
 	int [] args = {
 		OS.Pt_ARG_BASIC_FLAGS, 0, 0,
 		OS.Pt_ARG_BEVEL_WIDTH, 0, 0,
 	};
 	OS.PtGetResources (scrolledHandle, args.length / 3, args);
 	int flags = args [1];
 	int bevel = args [4];
 	int top = 0, left = 0, right = 0, bottom = 0;
 	if ((flags & OS.Pt_TOP_ETCH) != 0) top++;
 	if ((flags & OS.Pt_TOP_OUTLINE) != 0) top++;
 	if ((flags & OS.Pt_TOP_INLINE) != 0) top++;
 	if ((flags & OS.Pt_TOP_BEVEL) != 0) top += bevel;
 	if ((flags & OS.Pt_BOTTOM_ETCH) != 0) bottom++;
 	if ((flags & OS.Pt_BOTTOM_OUTLINE) != 0) bottom++;
 	if ((flags & OS.Pt_BOTTOM_INLINE) != 0) bottom++;
 	if ((flags & OS.Pt_BOTTOM_BEVEL) != 0) bottom += bevel;
 	if ((flags & OS.Pt_RIGHT_ETCH) != 0) right++;
 	if ((flags & OS.Pt_RIGHT_OUTLINE) != 0) right++;
 	if ((flags & OS.Pt_RIGHT_INLINE) != 0) right++;
 	if ((flags & OS.Pt_RIGHT_BEVEL) != 0) right += bevel;
 	if ((flags & OS.Pt_LEFT_ETCH) != 0) left++;
 	if ((flags & OS.Pt_LEFT_OUTLINE) != 0) left++;
 	if ((flags & OS.Pt_LEFT_INLINE) != 0) left++;
 	if ((flags & OS.Pt_LEFT_BEVEL) != 0) left += bevel;

 	int clientWidth = width - (left + right);
 	int clientHeight = height - (top + bottom);

 	int vBarWidth = 0, hBarHeight = 0;
 	boolean isVisibleHBar = horizontalBar != null && horizontalBar.getVisible ();
 	boolean isVisibleVBar = verticalBar != null && verticalBar.getVisible ();
 	if (isVisibleHBar) {
 		args = new int [] {OS.Pt_ARG_HEIGHT, 0, 0};
 		OS.PtGetResources (horizontalBar.handle, args.length / 3, args);
 		clientHeight -= (hBarHeight = args [1]);
 	}
 	if (isVisibleVBar) {
 		args = new int [] {OS.Pt_ARG_WIDTH, 0, 0};
 		OS.PtGetResources (verticalBar.handle, args.length / 3, args);
 		clientWidth -= (vBarWidth = args [1]);
 	}
 	if (isVisibleHBar) {
 		horizontalBar.setBounds (0, clientHeight, clientWidth, hBarHeight);
 	}
 	if (isVisibleVBar) {
 		verticalBar.setBounds (clientWidth, 0, vBarWidth, clientHeight);
 	}
 	args = new int [] {
 		OS.Pt_ARG_WIDTH, Math.max (clientWidth, 0), 0,
 		OS.Pt_ARG_HEIGHT, Math.max (clientHeight, 0), 0,
 	};
 	OS.PtSetResources (handle, args.length / 3, args);
 }

 void setBounds (int x, int y, int width, int height, boolean move, boolean resize) {
 	super.setBounds (x, y, width, height, move, resize);
 	if (resize) resizeClientArea (width, height);
 }

 public void setLayout (Layout layout) {
 	if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS);
 	if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED);
 	this.layout = layout;
 }

 int traversalCode (int key_sym, PhKeyEvent_t ke) {
 	if ((state & CANVAS) != 0 && hooks (SWT.KeyDown)) return 0;
 	return super.traversalCode (key_sym, ke);
 }

 }
	package org.eclipse.swt.widgets;

	/*
	* (c) Copyright IBM Corp. 2000, 2001.
	* All Rights Reserved
	*/

	import org.eclipse.swt.internal.photon.*;
	import org.eclipse.swt.*;
	import org.eclipse.swt.graphics.*;

	public class Composite extends Scrollable {
	Layout layout;

	Composite () {
	/* Do nothing */
	}

	public Composite (Composite parent, int style) {
	super (parent, style);
	}

	Control [] _getChildren () {
	int count = 0;
	int child = OS.PtWidgetChildFront (handle);
	while (child != 0) {
	child = OS.PtWidgetBrotherBehind (child);
	count++;
	}
	Control [] children = new Control [count];
	int i = 0, j = 0;
	child = OS.PtWidgetChildFront (handle);
	while (i < count) {
	Widget widget = WidgetTable.get (child);
	if (widget != null && widget != this) {
	if (widget instanceof Control) {
	children [j++] = (Control) widget;
	}
	}
	i++;
	child = OS.PtWidgetBrotherBehind (child);
	}
	if (i == j) return children;
	Control [] newChildren = new Control [j];
	System.arraycopy (children, 0, newChildren, 0, j);
	return newChildren;
	}

	protected void checkSubclass () {
	/* Do nothing - Subclassing is allowed */
	}

	public Point computeSize (int wHint, int hHint, boolean changed) {
	if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS);
	if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED);
	Point size;
	if (layout != null) {
	if (wHint == SWT.DEFAULT \|\| hHint == SWT.DEFAULT) {
	size = layout.computeSize (this, wHint, hHint, changed);
	} else {
	size = new Point (wHint, hHint);
	}
	} else {
	size = minimumSize ();
	}
	if (size.x == 0) size.x = DEFAULT_WIDTH;
	if (size.y == 0) size.y = DEFAULT_HEIGHT;
	if (wHint != SWT.DEFAULT) size.x = wHint;
	if (hHint != SWT.DEFAULT) size.y = hHint;
	Rectangle trim = computeTrim (0, 0, size.x, size.y);
	return new Point (trim.width, trim.height);
	}

	void createHandle (int index) {
	state \|= HANDLE \| CANVAS;
	int parentHandle = parent.handle;
	createScrolledHandle (parentHandle);
	}

	void createScrollBars () {
	if (scrolledHandle == 0) return;
	if ((style & SWT.H_SCROLL) != 0) {
	horizontalBar = new ScrollBar (this, SWT.HORIZONTAL);
	}
	if ((style & SWT.V_SCROLL) != 0) {
	verticalBar = new ScrollBar (this, SWT.VERTICAL);
	}
	}

	void createScrolledHandle (int parentHandle) {
	int etches = OS.Pt_ALL_ETCHES \| OS.Pt_ALL_OUTLINES;
	int [] args = new int [] {
	OS.Pt_ARG_FLAGS, hasBorder () ? OS.Pt_HIGHLIGHTED : 0, OS.Pt_HIGHLIGHTED,
	OS.Pt_ARG_BASIC_FLAGS, hasBorder () ? etches : 0, etches,
	OS.Pt_ARG_CONTAINER_FLAGS, 0, OS.Pt_ENABLE_CUA \| OS.Pt_ENABLE_CUA_ARROWS,
	OS.Pt_ARG_RESIZE_FLAGS, 0, OS.Pt_RESIZE_XY_BITS,
	};
	scrolledHandle = OS.PtCreateWidget (OS.PtContainer (), parentHandle, args.length / 3, args);
	if ((style & SWT.NO_BACKGROUND) != 0) {
	args = new int [] {OS.Pt_ARG_FILL_COLOR, OS.Pg_TRANSPARENT, 0};
	OS.PtSetResources(scrolledHandle, args.length / 3, args);
	}
	if (scrolledHandle == 0) error (SWT.ERROR_NO_HANDLES);
	Display display = getDisplay ();
	int clazz = display.PtContainer;
	args = new int [] {
	OS.Pt_ARG_CONTAINER_FLAGS, 0, OS.Pt_ENABLE_CUA \| OS.Pt_ENABLE_CUA_ARROWS,
	OS.Pt_ARG_RESIZE_FLAGS, 0, OS.Pt_RESIZE_XY_BITS,
	};
	handle = OS.PtCreateWidget (clazz, scrolledHandle, args.length / 3, args);
	if (handle == 0) error (SWT.ERROR_NO_HANDLES);
	createScrollBars ();
	}

	public Rectangle getClientArea () {
	if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS);
	if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED);
	if (scrolledHandle == 0) return super.getClientArea ();
	PhArea_t area = new PhArea_t ();
	OS.PtWidgetArea (handle, area);
	return new Rectangle (area.pos_x, area.pos_y, area.size_w, area.size_h);
	}

	public Control [] getChildren () {
	if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS);
	if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED);
	return _getChildren ();
	}

	int getChildrenCount () {
	int count = 0;
	int child = OS.PtWidgetChildFront (handle);
	while (child != 0) {
	child = OS.PtWidgetBrotherBehind (child);
	count++;
	}
	return count;
	}

	public Layout getLayout () {
	if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS);
	if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED);
	return layout;
	}

	boolean hasBorder () {
	return (style & SWT.BORDER) != 0;
	}

	boolean hasFocus () {
	return OS.PtIsFocused (handle) == 2;
	}

	void hookEvents () {
	super.hookEvents ();
	int windowProc = getDisplay ().windowProc;
	OS.PtAddCallback (handle, OS.Pt_CB_RESIZE, windowProc, SWT.Resize);
	}

	public void layout () {
	if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS);
	if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED);
	layout (true);
	}

	Point minimumSize () {
	Control [] children = _getChildren ();
	int width = 0, height = 0;
	for (int i=0; i<children.length; i++) {
	Rectangle rect = children [i].getBounds ();
	width = Math.max (width, rect.x + rect.width);
	height = Math.max (height, rect.y + rect.height);
	}
	return new Point (width, height);
	}

	public void layout (boolean changed) {
	if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS);
	if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED);
	if (layout == null) return;
	int count = getChildrenCount ();
	if (count == 0) return;
	layout.layout (this, changed);
	}

	int processMouse (int info) {

	/* Set focus for a canvas with no children */
	if (OS.PtWidgetChildFront (handle) == 0) {
	if ((state & CANVAS) != 0 && (style & SWT.NO_FOCUS) == 0) {
	if (info == 0) return OS.Pt_END;
	PtCallbackInfo_t cbinfo = new PtCallbackInfo_t ();
	OS.memmove (cbinfo, info, PtCallbackInfo_t.sizeof);
	if (cbinfo.event == 0) return OS.Pt_END;
	PhEvent_t ev = new PhEvent_t ();
	OS.memmove (ev, cbinfo.event, PhEvent_t.sizeof);
	switch (ev.type) {
	case OS.Ph_EV_BUT_PRESS: {
	int data = OS.PhGetData (cbinfo.event);
	if (data == 0) return OS.Pt_END;
	PhPointerEvent_t pe = new PhPointerEvent_t ();
	OS.memmove (pe, data, PhPointerEvent_t.sizeof);
	if (pe.buttons == OS.Ph_BUTTON_SELECT) {
	setFocus ();
	}
	}
	}
	}
	}
	return super.processMouse (info);
	}

	int processPaint (int damage) {
	if ((state & CANVAS) != 0) {
	if ((style & SWT.NO_BACKGROUND) == 0) {
	OS.PtSuperClassDraw (OS.PtContainer (), handle, damage);
	}
	}
	return super.processPaint (damage);
	}

	int processResize (int info) {
	if (info == 0) return OS.Pt_CONTINUE;
	PtCallbackInfo_t cbinfo = new PtCallbackInfo_t ();
	OS.memmove (cbinfo, info, PtCallbackInfo_t.sizeof);
	if (cbinfo.cbdata == 0) return OS.Pt_CONTINUE;
	PtContainerCallback_t cbdata = new PtContainerCallback_t ();
	OS.memmove(cbdata, cbinfo.cbdata, PtContainerCallback_t.sizeof);
	if (cbdata.new_dim_w == cbdata.old_dim_w && cbdata.new_dim_h == cbdata.old_dim_h) {
	return OS.Pt_CONTINUE;
	}
	sendEvent (SWT.Resize);
	if (layout != null) layout (false);
	return OS.Pt_CONTINUE;
	}

	void releaseChildren () {
	Control [] children = _getChildren ();
	for (int i=0; i<children.length; i++) {
	Control child = children [i];
	if (!child.isDisposed ()) {
	child.releaseWidget ();
	child.releaseHandle ();
	}
	}
	}

	void releaseWidget () {
	releaseChildren ();
	super.releaseWidget ();
	}

	void resizeClientArea () {
	int [] args = {OS.Pt_ARG_WIDTH, 0, 0, OS.Pt_ARG_HEIGHT, 0, 0};
	OS.PtGetResources (scrolledHandle, args.length / 3, args);
	resizeClientArea (args [1], args [4]);
	}

	boolean sendResize () {
	return false;
	}

	void resizeClientArea (int width, int height) {
	if (scrolledHandle == 0) return;

	/* Calculate the insets */
	int [] args = {
	OS.Pt_ARG_BASIC_FLAGS, 0, 0,
	OS.Pt_ARG_BEVEL_WIDTH, 0, 0,
	};
	OS.PtGetResources (scrolledHandle, args.length / 3, args);
	int flags = args [1];
	int bevel = args [4];
	int top = 0, left = 0, right = 0, bottom = 0;
	if ((flags & OS.Pt_TOP_ETCH) != 0) top++;
	if ((flags & OS.Pt_TOP_OUTLINE) != 0) top++;
	if ((flags & OS.Pt_TOP_INLINE) != 0) top++;
	if ((flags & OS.Pt_TOP_BEVEL) != 0) top += bevel;
	if ((flags & OS.Pt_BOTTOM_ETCH) != 0) bottom++;
	if ((flags & OS.Pt_BOTTOM_OUTLINE) != 0) bottom++;
	if ((flags & OS.Pt_BOTTOM_INLINE) != 0) bottom++;
	if ((flags & OS.Pt_BOTTOM_BEVEL) != 0) bottom += bevel;
	if ((flags & OS.Pt_RIGHT_ETCH) != 0) right++;
	if ((flags & OS.Pt_RIGHT_OUTLINE) != 0) right++;
	if ((flags & OS.Pt_RIGHT_INLINE) != 0) right++;
	if ((flags & OS.Pt_RIGHT_BEVEL) != 0) right += bevel;
	if ((flags & OS.Pt_LEFT_ETCH) != 0) left++;
	if ((flags & OS.Pt_LEFT_OUTLINE) != 0) left++;
	if ((flags & OS.Pt_LEFT_INLINE) != 0) left++;
	if ((flags & OS.Pt_LEFT_BEVEL) != 0) left += bevel;

	int clientWidth = width - (left + right);
	int clientHeight = height - (top + bottom);

	int vBarWidth = 0, hBarHeight = 0;
	boolean isVisibleHBar = horizontalBar != null && horizontalBar.getVisible ();
	boolean isVisibleVBar = verticalBar != null && verticalBar.getVisible ();
	if (isVisibleHBar) {
	args = new int [] {OS.Pt_ARG_HEIGHT, 0, 0};
	OS.PtGetResources (horizontalBar.handle, args.length / 3, args);
	clientHeight -= (hBarHeight = args [1]);
	}
	if (isVisibleVBar) {
	args = new int [] {OS.Pt_ARG_WIDTH, 0, 0};
	OS.PtGetResources (verticalBar.handle, args.length / 3, args);
	clientWidth -= (vBarWidth = args [1]);
	}
	if (isVisibleHBar) {
	horizontalBar.setBounds (0, clientHeight, clientWidth, hBarHeight);
	}
	if (isVisibleVBar) {
	verticalBar.setBounds (clientWidth, 0, vBarWidth, clientHeight);
	}
	args = new int [] {
	OS.Pt_ARG_WIDTH, Math.max (clientWidth, 0), 0,
	OS.Pt_ARG_HEIGHT, Math.max (clientHeight, 0), 0,
	};
	OS.PtSetResources (handle, args.length / 3, args);
	}

	void setBounds (int x, int y, int width, int height, boolean move, boolean resize) {
	super.setBounds (x, y, width, height, move, resize);
	if (resize) resizeClientArea (width, height);
	}

	public void setLayout (Layout layout) {
	if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS);
	if (!isValidWidget ()) error (SWT.ERROR_WIDGET_DISPOSED);
	this.layout = layout;
	}

	int traversalCode (int key_sym, PhKeyEvent_t ke) {
	if ((state & CANVAS) != 0 && hooks (SWT.KeyDown)) return 0;
	return super.traversalCode (key_sym, ke);
	}

	}