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Context Sensitive Help in RAP [message #687980]

Thu, 23 June 2011 11:39

Eclipse User

Does RAP support context sensitive help? I am working on a single source project that I have a help system in a fragmented bundle that is shared between RCP and RAP. The help system launches fine in both cases, but pressing F1 in RAP does not do anything while RCP will show the Help window with context about the page that I am viewing.

Any insights will be appreciated!

Re: Context Sensitive Help in RAP [message #689693 is a reply to message #687980]

Tue, 28 June 2011 03:40

Eclipse User

Originally posted by:

Ronald,

in general, RAP supports the SWT HelpEvent and thus workbench help
support should also work. However, browsers handle F1 key events very
differently [1] and IIRC some don't allow to prevent the default action
at all (which would lead to two actions when F1 is pressed). Not sure if
we reached the limit here yet.

Please feel free to file a bugzilla [2] that lists which browsers don't
support the help key. Possibly we might be able to improve help-key
handing yet.

HTH
Rüdiger

[1] http://www.quirksmode.org/js/keys.html
[2] http://eclipse.org/rap/support/#new-bugs

On 23.06.2011 17:39, Ronald So wrote:
> Does RAP support context sensitive help? I am working on a single source
> project that I have a help system in a fragmented bundle that is shared
> between RCP and RAP. The help system launches fine in both cases, but
> pressing F1 in RAP does not do anything while RCP will show the Help
> window with context about the page that I am viewing.
>
> Any insights will be appreciated!

--
Rüdiger Herrmann

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

Professional services for RAP and RCP?
http://eclipsesource.com/services/rap/

Re: Context Sensitive Help in RAP [message #885857 is a reply to message #689693]

Wed, 13 June 2012 14:20

Eclipse User

Hi,

I have asked this question roughly a year ago. With all the enhancements that RAP made in the hotkeys area, is it now possible to intercept the F1 keypress event, suppress the browser help and launch my own help system?

Thanks,
Ronald

Re: Context Sensitive Help in RAP [message #889516 is a reply to message #885857]

Tue, 19 June 2012 06:01

Eclipse User

Hi Ronald,

We're all very busy here a few days before the Juno release. But you can
easily try it yourself with the browsers you're interested in. There's
an article in the dev guide [1] that explains how to suppress the
browser's default operation on key press (using CANCEL_KEYS).

Best regards,
Ralf

[1]
http://eclipse.org/rap/developers-guide/devguide.php?topic=rwt/key-and-mouse-events.html#prevent

--
Ralf Sternberg

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

Professional services for RAP and RCP?
http://eclipsesource.com/services/rap/

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