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Diffstat (limited to 'lttng/org.eclipse.linuxtools.lttng.ui/src/org/eclipse/linuxtools/lttng/ui/views/histogram/HistogramCanvasControlListener.java')
-rw-r--r--lttng/org.eclipse.linuxtools.lttng.ui/src/org/eclipse/linuxtools/lttng/ui/views/histogram/HistogramCanvasControlListener.java69
1 files changed, 69 insertions, 0 deletions
diff --git a/lttng/org.eclipse.linuxtools.lttng.ui/src/org/eclipse/linuxtools/lttng/ui/views/histogram/HistogramCanvasControlListener.java b/lttng/org.eclipse.linuxtools.lttng.ui/src/org/eclipse/linuxtools/lttng/ui/views/histogram/HistogramCanvasControlListener.java
new file mode 100644
index 0000000000..e811eaf8b3
--- /dev/null
+++ b/lttng/org.eclipse.linuxtools.lttng.ui/src/org/eclipse/linuxtools/lttng/ui/views/histogram/HistogramCanvasControlListener.java
@@ -0,0 +1,69 @@
+/*******************************************************************************
+ * Copyright (c) 2009, 2010 Ericsson
+ *
+ * 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
+ *
+ * Modifications:
+ * 2010-07-16 Yuriy Vashchuk - Base class simplification
+ *******************************************************************************/
+
+package org.eclipse.linuxtools.lttng.ui.views.histogram;
+
+import org.eclipse.swt.events.ControlEvent;
+import org.eclipse.swt.events.ControlListener;
+
+/**
+ * <b><u>HistogramCanvasControlListener</u></b>
+ * <p>
+ * Implementation of a ControlListener for the need of the HistogramCanvas
+ * <p>
+ */
+public class HistogramCanvasControlListener implements ControlListener {
+
+ private HistogramCanvas ourCanvas = null;
+
+ /**
+ * HistogramCanvasControlListener default constructor
+ */
+ public HistogramCanvasControlListener() {
+ }
+
+ /**
+ * HistogramCanvasControlListener constructor
+ *
+ * @param newCanvas Related canvas
+ */
+ public HistogramCanvasControlListener(HistogramCanvas newCanvas) {
+ ourCanvas = newCanvas;
+ }
+
+
+ /**
+ * Method called when the canvas is moved.<p>
+ *
+ * Just redraw the canvas...
+ *
+ * @param event The controle event generated by the move.
+ */
+ public void controlMoved(ControlEvent event) {
+ ourCanvas.redraw();
+ }
+
+ /**
+ * Method called when the canvas is resized.<p>
+ *
+ * We need to tell the content that the canvas size changed
+ *
+ * @param event The control event generated by the resize.
+ */
+ public void controlResized(ControlEvent event) {
+
+ if ( (ourCanvas != null) && (ourCanvas.getHistogramContent() != null) ) {
+ // Set the new canvas size
+ ourCanvas.getHistogramContent().setCanvasWindowSize(ourCanvas.getSize().x);
+ }
+ }
+}

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