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Re: [gef-dev] draw2D : Canvas or Composite ?
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You are NOT supposed to use the Composite that is passed in on createPartControl(Composite).
You are supposed to use that composite as the *parent* for your Control. So, create a Canvas that is parented by that composite.
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"Sreekanth, Manohar" <manohar.sreekanth@xxxxxxx>
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To: "'gef-dev@xxxxxxxxxxx'" <gef-dev@xxxxxxxxxxx>
cc:
Subject: [gef-dev] draw2D : Canvas or Composite ?
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Hi,
The documentation for Draw2D states "A draw2d instance consists of an SWT
Composite, a Lightweight System, and its contents: figures..."
Unfortunately, that is not completely correct - it consists of an SWT Canvas
( not Composite ). This is turning out to be a disadvantage for me when I
want to create an Eclipse View that contains a draw2D graphic.
The "org.eclipse.ui.part.ViewPart" class passes a
"org.eclipse.swt.widgets.Composite" object in its method
"createPartControl()" which we need to implement in order to create an
Eclipse View. But this "Composite" object is not useful for me since the
"com.ibm.etools.draw2d.LightweightSystem" constructor expects a "Canvas" and
not a "Composite".
How can I get around this ? ( Creating a new Canvas object using the
Composite does not help ).
Thanks,
Manohar
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