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package org.eclipse.swt.widgets;
/*
* 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.graphics.*;
public class Decorations extends Canvas {
Image image;
Control savedFocus;
Button defaultButton, saveDefault;
Decorations () {
/* Do nothing */
}
public Decorations (Composite parent, int style) {
super (parent, checkStyle (style));
}
static int checkStyle (int style) {
if ((style & (SWT.MENU | SWT.MIN | SWT.MAX | SWT.CLOSE)) != 0) {
style |= SWT.TITLE;
}
return style;
}
protected void checkSubclass () {
if (!isValidSubclass ()) error (SWT.ERROR_INVALID_SUBCLASS);
}
Control computeTabGroup () {
return this;
}
Control computeTabRoot () {
return this;
}
void createHandle (int index) {
state |= HANDLE | CANVAS;
}
public Button getDefaultButton () {
checkWidget();
return defaultButton;
}
public Image getImage () {
checkWidget();
return image;
}
public boolean getMaximized () {
checkWidget();
return false;
}
public boolean getMinimized () {
checkWidget();
return false;
}
String getNameText () {
return getText ();
}
public String getText () {
checkWidget();
return "";
}
boolean isTabGroup () {
return true;
}
boolean isTabItem () {
return false;
}
void releaseWidget () {
super.releaseWidget ();
defaultButton = saveDefault = null;
}
boolean restoreFocus () {
if (savedFocus != null && savedFocus.isDisposed ()) savedFocus = null;
if (savedFocus == null) return false;
return savedFocus.forceFocus ();
}
void saveFocus () {
Control control = getDisplay ().getFocusControl ();
if (control != null) setSavedFocus (control);
}
public void setDefaultButton (Button button) {
checkWidget();
setDefaultButton (button, true);
}
void setDefaultButton (Button button, boolean save) {
}
public void setImage (Image image) {
checkWidget();
if (image != null) {
if (image.isDisposed()) error(SWT.ERROR_INVALID_ARGUMENT);
}
this.image = image;
}
public void setMaximized (boolean maximized) {
checkWidget();
}
public void setMinimized (boolean minimized) {
checkWidget();
}
void setSavedFocus (Control control) {
if (this == control) return;
savedFocus = control;
}
public void setText (String string) {
checkWidget();
if (string == null) error (SWT.ERROR_NULL_ARGUMENT);
}
public void setVisible (boolean visible) {
super.setVisible (visible);
}
}
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