projects / deliverable / tracecompass.git / blame
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|---|---|---|
| 6e512b93 ASL |
1 | /******************************************************************************* |
| 2 | * Copyright (c) 2009 Ericsson | |
| 3 | * | |
| 4 | * All rights reserved. This program and the accompanying materials are | |
| 5 | * made available under the terms of the Eclipse Public License v1.0 which | |
| 6 | * accompanies this distribution, and is available at | |
| 7 | * http://www.eclipse.org/legal/epl-v10.html | |
| 8 | * | |
| 9 | * Contributors: | |
| 10 | * William Bourque - Initial API and implementation | |
| f05aabed FC |
11 | * |
| 12 | * Modifications: | |
| 13 | * 2010-07-16 Yuriy Vashchuk - Heritage corrections. | |
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14 | *******************************************************************************/ |
| 15 | package org.eclipse.linuxtools.lttng.ui.views.histogram; | |
| 16 | ||
| 17 | import org.eclipse.swt.events.FocusEvent; | |
| 18 | import org.eclipse.swt.events.FocusListener; | |
| 19 | ||
| 20 | /** | |
| 21 | * <b><u>HistogramCanvasFocusListener</u></b> | |
| 22 | * <p> | |
| 23 | * Implementation of a FocusListener for the need of the HistogramCanvas | |
| 24 | * <p> | |
| 25 | */ | |
| 26 | public class HistogramCanvasFocusListener implements FocusListener { | |
| 27 | ||
| f05aabed | 28 | private HistogramCanvas ourCanvas = null; |
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29 | |
| 30 | /** | |
| 31 | * HistogramCanvasFocusListener constructor | |
| 32 | * | |
| 33 | * @param newCanvas Related canvas | |
| 34 | */ | |
| 35 | public HistogramCanvasFocusListener(HistogramCanvas newCanvas) { | |
| f05aabed | 36 | ourCanvas = newCanvas; |
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37 | } |
| 38 | ||
| 39 | /** | |
| 40 | * Function that is called when the canvas get focus.<p> | |
| 41 | * | |
| 050df4a5 | 42 | * Redraw the screen to make sure everything is sane. |
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43 | * |
| 44 | * @param event The focus event generated. | |
| 45 | */ | |
| d4011df2 | 46 | @Override |
| 6e512b93 | 47 | public void focusGained(FocusEvent event) { |
| f05aabed | 48 | ourCanvas.redrawAsynchronously(); |
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49 | } |
| 50 | ||
| 51 | /** | |
| 544fe9b7 | 52 | * Function that is called when the canvas loose focus.<p> |
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53 | * |
| 54 | * Doesn't do anything yet... | |
| 55 | * | |
| 56 | * @param event The focus event generated. | |
| 57 | */ | |
| d4011df2 | 58 | @Override |
| 6e512b93 | 59 | public void focusLost(FocusEvent event) { |
| 544fe9b7 | 60 | // Nothing to do yet |
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61 | } |
| 62 | ||
| 63 | } |