Attachment 104565 Details for Bug 236698 – SWT snippet of an HTML tooltip

SWT snippet of an HTML tooltip

htmlTooltipSnippet.java (text/plain), 3.86 KB, created by Stuart Pond

on 2008-06-11 17:56:09 EDT

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Creator: Stuart Pond

Created: 2008-06-11 17:56:09 EDT

Size: 3.86 KB

patch

obsolete

>package testsnippets;
>
>import org.eclipse.swt.SWT;
>import org.eclipse.swt.browser.Browser;
>import org.eclipse.swt.graphics.Point;
>import org.eclipse.swt.layout.FillLayout;
>import org.eclipse.swt.layout.GridData;
>import org.eclipse.swt.layout.GridLayout;
>import org.eclipse.swt.widgets.Display;
>import org.eclipse.swt.widgets.Event;
>import org.eclipse.swt.widgets.Listener;
>import org.eclipse.swt.widgets.Shell;
>import org.eclipse.swt.widgets.Table;
>import org.eclipse.swt.widgets.TableItem;
>
>public class htmlTooltipSnippet {
>	public static void main (String[] args) {
>		final Display display = new Display ();
>		final Shell shell = new Shell (display);
>		shell.setLayout (new FillLayout ());
>		final Table table = new Table (shell, SWT.BORDER);
>		for (int i = 0; i < 20; i++) {
>			TableItem item = new TableItem (table, SWT.NONE);
>			item.setText ("item " + i);
>		}
>		// Disable native tooltip
>		table.setToolTipText ("");
>
>		// Implement a "fake" tooltip
>		final Listener browserListener = new Listener () {
>			public void handleEvent (Event event) {
>				Browser browser = (Browser)event.widget;
>				Shell shell = browser.getShell ();
>				switch (event.type) {
>				case SWT.MouseDown:
>					Event e = new Event ();
>					e.item = (TableItem) browser.getData ("_TABLEITEM");
>					table.setSelection (new TableItem [] {(TableItem) e.item});
>					table.notifyListeners (SWT.Selection, e);
>					shell.dispose ();
>					table.setFocus();
>					break;
>				case SWT.MouseExit:
>					shell.dispose ();
>					break;
>				}
>			}
>		};
>
>		Listener tableListener = new Listener () {
>			Shell tip = null;
>			Browser browser = null;
>
>			public void handleEvent (Event event) {
>				switch (event.type) 
>				{
>				 case SWT.MouseMove:
>				 case SWT.Dispose:
>				 case SWT.KeyDown:
>				 {
>					 if (tip == null) break;
>					 
>					 tip.dispose ();
>					 break;
>				 }
>				
>				 case SWT.MouseHover: {
>					
>				 	TableItem item = table.getItem (new Point (event.x, event.y));
>					
>				 	if (item != null) {
>				 		if (tip != null && !tip.isDisposed ()) tip.dispose ();
>				 		tip = new Shell (shell, SWT.ON_TOP | SWT.NO_FOCUS | SWT.TOOL);
>				 		tip.setBackground (display.getSystemColor (SWT.COLOR_INFO_BACKGROUND));
>
>
>				 		GridLayout l = new GridLayout(1,false);
>				 		l.horizontalSpacing=0;
>				 		l.marginWidth=0;
>				 		l.marginHeight=0;
>				 		l.verticalSpacing=0;
>
>				 		tip.setLayout(l);
>
>				 		String htmlText = "<html><body>&nbsp; Here is some html text ***************.&nbsp This is tooltip text ****************. &nbsp </body></html>";
>				 		browser = new Browser (tip, SWT.NONE);
>				 		browser.setForeground (display.getSystemColor (SWT.COLOR_INFO_FOREGROUND));
>				 		browser.setBackground (display.getSystemColor (SWT.COLOR_INFO_BACKGROUND));
>				 		browser.setData ("_TABLEITEM", item);
>				 		browser.setText (htmlText);
>				 		browser.addListener (SWT.MouseExit, browserListener);
>				 		browser.addListener (SWT.MouseDown, browserListener);	
>
>				 		browser.setLayoutData(new GridData(220,90));
>
>				 		Point size = tip.computeSize (SWT.DEFAULT, SWT.DEFAULT);
>				 		//Point size = browser.computeSize (SWT.DEFAULT, SWT.DEFAULT);
>				 		//Point size = tip.getSize();
>				 		Point pt = table.toDisplay (event.x, event.y);
>				 		tip.setBounds (pt.x, pt.y, size.x, size.y);
>				 		tip.setVisible (true);
>					 }
>				}
>				}
>			}
>		};
>		table.addListener (SWT.Dispose, tableListener);
>		table.addListener (SWT.KeyDown, tableListener);
>		table.addListener (SWT.MouseMove, tableListener);
>		table.addListener (SWT.MouseHover, tableListener);
>		shell.pack ();
>		shell.open();
>		while (!shell.isDisposed()) {
>			if (!display.readAndDispatch())
>				display.sleep();
>		}
>		display.dispose();
>	}
>}

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Attachments on bug 236698: 104565