author | dadubrow |
Thu, 16 Sep 2010 11:56:21 -0500 | |
changeset 2031 | 736964f28d2a |
parent 1618 | 712d047abd8b |
child 2035 | 42a3ddebe583 |
permissions | -rw-r--r-- |
1609 | 1 |
/* |
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* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of the License "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: |
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* |
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*/ |
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package com.nokia.carbide.internal.discovery.ui.editor; |
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import org.eclipse.swt.SWT; |
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import org.eclipse.swt.events.PaintEvent; |
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import org.eclipse.swt.events.PaintListener; |
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import org.eclipse.swt.graphics.GC; |
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import org.eclipse.swt.graphics.Image; |
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import org.eclipse.swt.graphics.Rectangle; |
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import org.eclipse.swt.widgets.Canvas; |
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import org.eclipse.swt.widgets.Composite; |
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class SharedBackgroundComposite extends Canvas { |
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private final Composite backgroundParent; |
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public SharedBackgroundComposite(Composite parent, Composite backgroundParent) { |
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super(parent, SWT.NO_BACKGROUND); |
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this.backgroundParent = backgroundParent; |
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addPaintListener(new PaintListener() { |
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@Override |
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public void paintControl(PaintEvent e) { |
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Rectangle b = getBounds(); |
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drawBackground(e.gc, b.x, b.y, b.width, b.height); |
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} |
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}); |
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} |
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@Override |
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public void drawBackground(GC gc, int x, int y, int width, int height) { |
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Composite relParent = getParent(); |
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while (relParent != backgroundParent) { |
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Rectangle relB = relParent.getBounds(); |
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x += relB.x; |
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y += relB.y; |
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relParent = relParent.getParent(); |
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} |
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Image image = backgroundParent.getBackgroundImage(); |
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Rectangle imageBounds = image.getBounds(); |
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width = Math.min(width, imageBounds.width - x); |
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height = Math.min(height, imageBounds.height - y); |
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if (width > 0 && height > 0) |
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gc.drawImage(image, x, y, width, height, 0, 0, width, height); |
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// gc.drawText(getClass().getSimpleName(), 2, 2); |
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// gc.setForeground(gc.getDevice().getSystemColor(SWT.COLOR_WHITE)); |
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// gc.drawRectangle(1, 1, width - 2, height - 2); |
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} |
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2031
736964f28d2a
Bug 12104 - Make sure all shared background composites pack at layout
dadubrow
parents:
1618
diff
changeset
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@Override |
736964f28d2a
Bug 12104 - Make sure all shared background composites pack at layout
dadubrow
parents:
1618
diff
changeset
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public void layout() { |
736964f28d2a
Bug 12104 - Make sure all shared background composites pack at layout
dadubrow
parents:
1618
diff
changeset
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super.layout(); |
736964f28d2a
Bug 12104 - Make sure all shared background composites pack at layout
dadubrow
parents:
1618
diff
changeset
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pack(); |
736964f28d2a
Bug 12104 - Make sure all shared background composites pack at layout
dadubrow
parents:
1618
diff
changeset
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} |
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} |