Attachment 83611 Details for Bug 210729 – snippet that demonstrates the bug

snippet that demonstrates the bug

Snippet78b.java (text/plain), 2.50 KB, created by mail

on 2007-11-23 04:42:56 EST

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Creator: mail

Created: 2007-11-23 04:42:56 EST

Size: 2.50 KB

patch

obsolete

>// dnd into a tab folder
>// - drop text into label within folder does not work on linux
>//
>// works with:  org.eclipse.swt.win32.win32.x86_3.3.0.v3346.jar
>// not with:    org.eclipse.swt.gtk.linux.x86_64_3.3.0.v3346.jar
>//
>// see also more complicated scenarios with possibly similar problems:
>// - https://bugs.eclipse.org/bugs/show_bug.cgi?id=167677
>// - https://bugs.eclipse.org/bugs/show_bug.cgi?id=141893
>
>
>package org.eclipse.swt.snippets;
>
>/*
> * Drag and Drop example snippet: drag text between two labels
> *
> * For a list of all SWT example snippets see
> * http://www.eclipse.org/swt/snippets/
> */
>import org.eclipse.swt.*;
>import org.eclipse.swt.dnd.*;
>import org.eclipse.swt.layout.*;
>import org.eclipse.swt.widgets.*;
>
>public class Snippet78b {
>
>public static void main (String [] args) {
>	
>	Display display = new Display ();
>	final Shell shell = new Shell (display);
>	shell.setLayout(new FillLayout());
>	final Label label1 = new Label (shell, SWT.BORDER);
>	label1.setText ("TEXT");
>	final Label label2 = new Label (shell, SWT.BORDER);
>  //
>  TabFolder f = new TabFolder(shell, SWT.NONE);
>  TabItem t1 = new TabItem(f, SWT.NONE);
>  t1.setText("Tab 1");
>  TabItem t2 = new TabItem(f, SWT.NONE);
>  t2.setText("Tab 2");
>	Label l1 = new Label (f, SWT.BORDER);
>	Label l2 = new Label (f, SWT.BORDER);
>  t1.setControl(l1);
>  t2.setControl(l2);
>  //
>	setDragDrop (label1);
>	setDragDrop (label2);
>	setDragDrop (l1);
>	setDragDrop (l2);
>  //
>	shell.setSize (400, 200);
>	shell.open ();
>	while (!shell.isDisposed ()) {
>		if (!display.readAndDispatch ()) display.sleep ();
>	}
>	display.dispose ();
>}
>
>
>public static void setDragDrop (final Label label) {
>	
>	Transfer[] types = new Transfer[] {TextTransfer.getInstance()};
>	int operations = DND.DROP_MOVE | DND.DROP_COPY | DND.DROP_LINK;
>	
>	final DragSource source = new DragSource (label, operations);
>	source.setTransfer(types);
>	source.addDragListener (new DragSourceListener () {
>		public void dragStart(DragSourceEvent event) {
>			event.doit = (label.getText ().length () != 0);
>		}
>		public void dragSetData (DragSourceEvent event) {
>			event.data = label.getText ();
>		}
>		public void dragFinished(DragSourceEvent event) {
>			if (event.detail == DND.DROP_MOVE)
>				label.setText ("");
>		}
>	});
>
>	DropTarget target = new DropTarget(label, operations);
>	target.setTransfer(types);
>	target.addDropListener (new DropTargetAdapter() {
>		public void drop(DropTargetEvent event) {
>			if (event.data == null) {
>				event.detail = DND.DROP_NONE;
>				return;
>			}
>			label.setText ((String) event.data);
>		}
>	});
>}
>}

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Attachments on bug 210729: 83611