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Paint a line across Eclipse? [message #334552]

Tue, 17 February 2009 12:38

Eclipse User

Originally posted by: chlache.talita.org

Is it possible to paint a line from one Viewpart to another?
Thanks for any ideas.

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Re: Paint a line across Eclipse? [message #334584 is a reply to message #334552]

Thu, 19 February 2009 05:52

Prakash G.R.

Messages: 621
Registered: July 2009

Senior Member

Doesn't seems to fit into Eclipse! What is the requirement?

- Prakash
--
http://blog.eclipse-tips.com

"Andreas Chlache" <chlache@talita.org> wrote in message
news:gneb3b$sar$1@build.eclipse.org...
> Is it possible to paint a line from one Viewpart to another?
> Thanks for any ideas.

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Re: Paint a line across Eclipse? [message #334592 is a reply to message #334584]

Thu, 19 February 2009 14:44

Eclipse User

Originally posted by: chlache.talita.org

Prakash G.R. wrote:
> Doesn't seems to fit into Eclipse! What is the requirement?
>
> - Prakash

I want to create a dreamwaver like "point to file button".
When you click and drag on this button a line is drawn starting from the button following your custom mouse pointer.
This line is drawn across different windows. It is a visual enhancement of the drag and drop functionality.
You can see it in action using the dreamweaver properties panel.
Do you have any ideas of how to achieve that?

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Re: Paint a line across Eclipse? [message #334627 is a reply to message #334592]

Fri, 20 February 2009 16:08

Paul Webster

Messages: 6859
Registered: July 2009
Location: Ottawa

Senior Member

You can create any kind of control parented off the Shell, and then do a
moveAbove(null) to move it to the top of the Z drawing order. That puts
it on top of everything. Then use setBounds(*) to place it exactly
where you want it.

Now you just have to figure out how to draw it (presumably with a
transparent background) !

PW

--
Paul Webster
http://wiki.eclipse.org/Platform_Command_Framework
http://wiki.eclipse.org/Command_Core_Expressions
http://wiki.eclipse.org/Menu_Contributions
http://wiki.eclipse.org/Menus_Extension_Mapping
http://help.eclipse.org/ganymede/index.jsp?topic=/org.eclips e.platform.doc.isv/guide/workbench.htm

Paul Webster
http://wiki.eclipse.org/Platform_Command_Framework
http://wiki.eclipse.org/Command_Core_Expressions
http://wiki.eclipse.org/Menu_Contributions

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Re: Paint a line across Eclipse? [message #334655 is a reply to message #334627]

Mon, 23 February 2009 15:23

Eclipse User

Originally posted by: chlache.talita.org

Thanks for your answer. I did not think about that moveAbove call.
I hope I can combine that with the standard drag and drop behavior to get
the necessary information about the control below the mouse.
I will post the solution once I have it.

ac

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