1 files changed, 125 insertions, 0 deletions
diff --git a/tests/org.eclipse.swt.tests.gtk/ManualTests/org/eclipse/swt/tests/gtk/snippets/Bug548661_AWTDragDrop.java b/tests/org.eclipse.swt.tests.gtk/ManualTests/org/eclipse/swt/tests/gtk/snippets/Bug548661_AWTDragDrop.java
new file mode 100644
index 0000000000..7243f8815f
--- /dev/null
+++ b/tests/org.eclipse.swt.tests.gtk/ManualTests/org/eclipse/swt/tests/gtk/snippets/Bug548661_AWTDragDrop.java
@@ -0,0 +1,125 @@
+/*******************************************************************************
+ * Copyright (c) 2019 Oleksandr Zakusylo 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:
+ *     Oleksandr Zakusylo - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.swt.tests.gtk.snippets;
+
+import java.awt.Frame;
+import java.awt.datatransfer.DataFlavor;
+import java.awt.datatransfer.UnsupportedFlavorException;
+import java.io.IOException;
+
+import javax.swing.JButton;
+
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.awt.SWT_AWT;
+import org.eclipse.swt.dnd.DND;
+import org.eclipse.swt.dnd.DragSource;
+import org.eclipse.swt.dnd.DragSourceAdapter;
+import org.eclipse.swt.dnd.DragSourceEvent;
+import org.eclipse.swt.dnd.DropTarget;
+import org.eclipse.swt.dnd.DropTargetAdapter;
+import org.eclipse.swt.dnd.DropTargetEvent;
+import org.eclipse.swt.dnd.TextTransfer;
+import org.eclipse.swt.dnd.Transfer;
+import org.eclipse.swt.layout.GridLayout;
+import org.eclipse.swt.widgets.Button;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Display;
+import org.eclipse.swt.widgets.Shell;
+
+/*
+ * Title: Bug 548661 - [GTK] DND from SWT to embbedded AWT frame is broken. Verify that
+ * How to run: launch snippet, drag the button "Drag Source" onto the button "Swing Target"
+ * Bug description: no drag events are reported in the console.
+ * Expected results: drag enter and drop/drag exit are reported according to user actions.
+ */
+public class Bug548661_AWTDragDrop {
+
+	public static void main(String[] args) {
+		Shell shell = new Shell(SWT.DIALOG_TRIM);
+		shell.setLayout(new GridLayout(3, true));
+
+		Button sourceButton = new Button(shell, SWT.PUSH);
+		sourceButton.setText("Drag Source");
+
+		Button targetButton = new Button(shell, SWT.PUSH);
+		targetButton.setText("SWT Target");
+
+		Composite swingContainer = new Composite(shell, SWT.EMBEDDED);
+		Frame frame = SWT_AWT.new_Frame(swingContainer);
+
+		JButton swingButton = new JButton("Swing target");
+		frame.add(swingButton);
+
+		shell.open();
+		shell.pack();
+
+		DragSource ds = new DragSource(sourceButton, DND.DROP_MOVE);
+		ds.setTransfer(new Transfer[] { TextTransfer.getInstance() });
+		ds.addDragListener(new DragSourceAdapter() {
+			@Override
+			public void dragSetData(DragSourceEvent event) {
+				event.data = "TRANSFERRED DATA STRING";
+			}
+		});
+
+		DropTarget dt = new DropTarget(targetButton, DND.DROP_MOVE);
+		dt.setTransfer(new Transfer[] { TextTransfer.getInstance() });
+		dt.addDropListener(new DropTargetAdapter() {
+			@Override
+			public void dragEnter(DropTargetEvent event) {
+				System.err.println("SWT drag enter");
+			}
+
+			@Override
+			public void dragLeave(DropTargetEvent event) {
+				System.err.println("SWT drag exit");
+			}
+
+			@Override
+			public void drop(DropTargetEvent event) {
+				System.err.println("SWT drop " + event.data);
+			}
+		});
+
+		new java.awt.dnd.DropTarget(swingButton, new java.awt.dnd.DropTargetAdapter() {
+			@Override
+			public void dragEnter(java.awt.dnd.DropTargetDragEvent dtde) {
+				System.err.println("AWT drag enter");
+			}
+
+			@Override
+			public void dragExit(java.awt.dnd.DropTargetEvent dte) {
+				System.err.println("AWT drag exit");
+			}
+
+			@Override
+			public void drop(java.awt.dnd.DropTargetDropEvent dtde) {
+				dtde.acceptDrop(java.awt.dnd.DnDConstants.ACTION_MOVE);
+				try {
+					Object data = dtde.getTransferable().getTransferData(DataFlavor.stringFlavor);
+					System.err.println("AWT drop " + data);
+				} catch (UnsupportedFlavorException | IOException e) {
+					e.printStackTrace();
+				}
+			}
+		});
+
+		Display display = shell.getDisplay();
+		while (!shell.isDisposed()) {
+			if (!display.readAndDispatch()) {
+				display.sleep();
+			}
+		}
+	}
+}