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Home » Eclipse Projects » Remote Application Platform (RAP) » Menu and field get focus at the same time(With RWT.MNEMONIC_ACTIVATOR the Menu and a Text field get focus together)
Menu and field get focus at the same time [message #1693017] Tue, 21 April 2015 09:05 Go to next message
John Gymer is currently offline John GymerFriend
Messages: 279
Registered: November 2012
Location: UK
Senior Member
Using RAP 2.3 there seems to be a focus bug when a shell has both a menu bar and a field, with RWT.MNEMONIC_ACTIVATOR set... here is a snippet:

/* DEMONSTRATES Mnemonic Active Keys issue */
package bug.snippet;

import org.eclipse.rap.rwt.RWT;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.FormAttachment;
import org.eclipse.swt.layout.FormData;
import org.eclipse.swt.layout.FormLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Menu;
import org.eclipse.swt.widgets.MenuItem;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;

public class Bugsy {
	Display display;
	Shell shell;
	Label lab;
	public void begin() {
		display = new Display();
		
		display.setData(RWT.MNEMONIC_ACTIVATOR, "CTRL+ALT");

		shell = new Shell(display, SWT.APPLICATION_MODAL|SWT.CLOSE);
		shell.setFullScreen(true);
		shell.setText("My Shell");
		FormLayout layout = new FormLayout();
		shell.setLayout(layout);
		
		FormData fd;
		
		Text myField = new Text(shell, SWT.BORDER|SWT.SINGLE);
		myField.setText("");
		myField.setMessage("Press CTRL+ALT then type an 'F' key!");
		fd = new FormData();
		fd.left = new FormAttachment(0, 10);
		fd.top = new FormAttachment(0, 50);
		fd.right = new FormAttachment(100,-10);
		fd.bottom = new FormAttachment(0, 80);
		myField.setLayoutData(fd);

		Button myBut = new Button(shell, SWT.PUSH);
		myBut.setText("My &Button");
		fd = new FormData();
		fd.left = new FormAttachment(0, 10);
		fd.top = new FormAttachment(0, 90);
		fd.right = new FormAttachment(100,-10);
		fd.bottom = new FormAttachment(0, 120);
		myBut.setLayoutData(fd);

		Button myBut2 = new Button(shell, SWT.PUSH);
		myBut2.setText("My &Other Button");
		fd = new FormData();
		fd.left = new FormAttachment(0, 10);
		fd.top = new FormAttachment(0, 130);
		fd.right = new FormAttachment(100,-10);
		fd.bottom = new FormAttachment(0, 160);
		myBut2.setLayoutData(fd);

		Menu myMenu = new Menu(shell, SWT.BAR);
		MenuItem menuItemFile = new MenuItem(myMenu, SWT.CASCADE);
		menuItemFile.setText("&File");
		
		shell.setMenuBar(myMenu);

		shell.open();
	}
}


Very simple example, with a menu bar containing just a file menu, plus a field (Text) and a couple of Buttons with mnemonics defined.

Run this snippet and press CTRL+ALT to see the mnemonics. Just press CTRL+ALT once and the menu bar gets some sort of focus, but the keyboard caret stays in the Text entry field. If you now press the 'f' key, it chooses the 'File' menu (because this has focus and has 'F' defined as its mnemonic), but you also get an 'F' character appear in the field.

It is like both controls (menu and text field) have focus, so both get the keyboard event sent to them.

This does not happen in SWT, so presumably it is a RAP bug?

Could someone please confirm, and I'll raise a bug report if I haven't misunderstood how it is supposed to work?

Thanks, John


---
Just because you can doesn't mean you should
Re: Menu and field get focus at the same time [message #1693036 is a reply to message #1693017] Tue, 21 April 2015 11:22 Go to previous messageGo to next message
Ivan Furnadjiev is currently offline Ivan FurnadjievFriend
Messages: 2426
Registered: July 2009
Location: Sofia, Bulgaria
Senior Member
Hi John,
looks like a bug to me. Please file a bugzilla and attach your test
snippet there.
Thanks,
Ivan

--
Ivan Furnadjiev

Twitter: @EclipseRAP
Blog: http://eclipsesource.com/blogs/

Professional services for RAP and RCP?
http://eclipsesource.com/services/rap/
Re: Menu and field get focus at the same time [message #1693038 is a reply to message #1693036] Tue, 21 April 2015 11:36 Go to previous message
John Gymer is currently offline John GymerFriend
Messages: 279
Registered: November 2012
Location: UK
Senior Member
Thanks Ivan... bug raised:
https://bugs.eclipse.org/bugs/show_bug.cgi?id=465098


---
Just because you can doesn't mean you should
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