Work around SWT 4.13 - 4.18 Win32 DnD bug 567422

[simantics/platform.git] / bundles / org.eclipse.swt.win32.win32.x86_64 / src / org / eclipse / swt / events / HelpListener.java

diff --git a/bundles/org.eclipse.swt.win32.win32.x86_64/src/org/eclipse/swt/events/HelpListener.java b/bundles/org.eclipse.swt.win32.win32.x86_64/src/org/eclipse/swt/events/HelpListener.java
new file mode 100644 (file)
index 0000000..74eb24a
--- /dev/null
+++ b/bundles/org.eclipse.swt.win32.win32.x86_64/src/org/eclipse/swt/events/HelpListener.java
@@ -0,0 +1,45 @@
+/*******************************************************************************
+ * Copyright (c) 2000, 2016 IBM Corporation and others.
+ *
+ * This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License 2.0
+ * which accompanies this distribution, and is available at
+ * https://www.eclipse.org/legal/epl-2.0/
+ *
+ * SPDX-License-Identifier: EPL-2.0
+ *
+ * Contributors:
+ *     IBM Corporation - initial API and implementation
+ *     Lars Vogel <Lars.Vogel@vogella.com> - Bug 502576
+ *******************************************************************************/
+package org.eclipse.swt.events;
+
+
+import org.eclipse.swt.internal.*;
+
+/**
+ * Classes which implement this interface provide a method
+ * that deals with the event that is generated when help is
+ * requested for a control, typically when the user presses F1.
+ * <p>
+ * After creating an instance of a class that implements
+ * this interface it can be added to a control using the
+ * <code>addHelpListener</code> method and removed using
+ * the <code>removeHelpListener</code> method. When help
+ * is requested for a control, the helpRequested method
+ * will be invoked.
+ * </p>
+ *
+ * @see HelpEvent
+ */
+@FunctionalInterface
+public interface HelpListener extends SWTEventListener {
+
+/**
+ * Sent when help is requested for a control, typically
+ * when the user presses F1.
+ *
+ * @param e an event containing information about the help
+ */
+void helpRequested(HelpEvent e);
+}