/*******************************************************************************
* Copyright (c) 2007, 2012 Wind River Systems and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Wind River Systems - initial API and implementation
*******************************************************************************/
package org.eclipse.cdt.dsf.debug.internal.ui.disassembly.presentation;
import org.eclipse.cdt.dsf.debug.internal.ui.disassembly.DisassemblyMessages;
import org.eclipse.debug.ui.DebugUITools;
import org.eclipse.debug.ui.IDebugUIConstants;
import org.eclipse.jface.text.source.Annotation;
import org.eclipse.jface.text.source.IAnnotationPresentation;
import org.eclipse.swt.graphics.GC;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.graphics.Rectangle;
import org.eclipse.swt.widgets.Canvas;
/**
* DisassemblyIPAnnotation
*/
public class DisassemblyIPAnnotation extends Annotation implements IAnnotationPresentation {
public static final String ID_TOP = IDebugUIConstants.ANNOTATION_TYPE_INSTRUCTION_POINTER_CURRENT;
public static final String ID_SECONDARY = IDebugUIConstants.ANNOTATION_TYPE_INSTRUCTION_POINTER_SECONDARY;
private Image fImage;
private int fContext = Integer.MIN_VALUE;
/**
* Annotation denoting the current instruction pointer.
*/
public DisassemblyIPAnnotation(boolean isTopFrame, int context) {
super(
isTopFrame ? ID_TOP : ID_SECONDARY,
false,
isTopFrame ? DisassemblyMessages.DisassemblyIPAnnotation_primary
: DisassemblyMessages.DisassemblyIPAnnotation_secondary
);
setContext(context);
}
public boolean isTopFrame() {
return ID_TOP.equals(getType());
}
public void setContext(int context) {
if (context == fContext) {
return;
}
fContext = context;
// TLETODO [disassembly] context dependent IP icon
if (isTopFrame()) {
fImage = DebugUITools.getImage(IDebugUIConstants.IMG_OBJS_INSTRUCTION_POINTER_TOP);
} else {
fImage = DebugUITools.getImage(IDebugUIConstants.IMG_OBJS_INSTRUCTION_POINTER);
}
}
/*
* @see org.eclipse.jface.text.source.IAnnotationPresentation#getLayer()
*/
@Override
public int getLayer() {
return 5;
}
/*
* @see org.eclipse.jface.text.source.IAnnotationPresentation#paint(org.eclipse.swt.graphics.GC, org.eclipse.swt.widgets.Canvas, org.eclipse.swt.graphics.Rectangle)
*/
@Override
public void paint(GC gc, Canvas canvas, Rectangle bounds) {
Rectangle imageBounds = fImage.getBounds();
gc.drawImage(fImage, bounds.x + (bounds.width - imageBounds.width) / 2 , bounds.y + (bounds.height - imageBounds.height) / 2);
}
}