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 / FocusListener.java

diff --git a/bundles/org.eclipse.swt.win32.win32.x86_64/src/org/eclipse/swt/events/FocusListener.java b/bundles/org.eclipse.swt.win32.win32.x86_64/src/org/eclipse/swt/events/FocusListener.java
new file mode 100644 (file)
index 0000000..8580248
--- /dev/null
+++ b/bundles/org.eclipse.swt.win32.win32.x86_64/src/org/eclipse/swt/events/FocusListener.java
@@ -0,0 +1,88 @@
+/*******************************************************************************
+ * 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 506538
+ *******************************************************************************/
+package org.eclipse.swt.events;
+
+
+import java.util.function.*;
+
+import org.eclipse.swt.internal.*;
+
+/**
+ * Classes which implement this interface provide methods
+ * that deal with the events that are generated as controls
+ * gain and lose focus.
+ * <p>
+ * After creating an instance of a class that implements
+ * this interface it can be added to a control using the
+ * <code>addFocusListener</code> method and removed using
+ * the <code>removeFocusListener</code> method. When a
+ * control gains or loses focus, the appropriate method
+ * will be invoked.
+ * </p>
+ *
+ * @see FocusAdapter
+ * @see FocusEvent
+ */
+public interface FocusListener extends SWTEventListener {
+
+/**
+ * Sent when a control gets focus.
+ *
+ * @param e an event containing information about the focus change
+ */
+void focusGained(FocusEvent e);
+
+/**
+ * Sent when a control loses focus.
+ *
+ * @param e an event containing information about the focus change
+ */
+void focusLost(FocusEvent e);
+
+
+/**
+ * Static helper method to create a <code>FocusListener</code> for the
+ * {@link #focusGained(FocusEvent e)}) method with a lambda expression.
+ *
+ * @param c the consumer of the event
+ * @return FocusListener
+ * @since 3.106
+ */
+static FocusListener focusGainedAdapter(Consumer<FocusEvent> c) {
+       return new FocusAdapter() {
+               @Override
+               public void focusGained(FocusEvent e) {
+                       c.accept(e);
+               }
+       };
+}
+
+/**
+ * Static helper method to create a <code>FocusListener</code> for the
+ * {@link #focusLost(FocusEvent e)}) method with a lambda expression.
+ *
+ * @param c the consumer of the event
+ * @return FocusListener
+ * @since 3.106
+*/
+static FocusListener focusLostAdapter(Consumer<FocusEvent> c) {
+       return new FocusAdapter() {
+               @Override
+               public void focusLost(FocusEvent e) {
+                       c.accept(e);
+               }
+       };
+}
+}