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how to auto resizing composite [message #437222]

Fri, 23 September 2005 09:19

Eclipse User

Originally posted by: bdberry.us.ibm.com

I have a TabFolder that contains a ScrolledComposite which contains a
Composite that contains a Group which then contains my GUI controls (ie
buttons, text boxes etc). Right now I am using a GridLayout and
GridData at each level and I am specifying GridData.widthHint to get the
size I want on the screen. How can I have the contents of the TabFolder
resize in proportion to the EditorPart when the user resizes the screen
or maximizes the editor? Currently, when the window is resized the GUI
elements stay in the same spot without moving.

Re: how to auto resizing composite [message #437224 is a reply to message #437222]

Fri, 23 September 2005 09:39

Eclipse User

if i understand right:

GridData gd=new GridData();
gd.verticalAlignment = GridData.FILL;
gd.horizontalAlignment = GridData.FILL;
gd.grabExcessHorizontalSpace = true;//maybe not necessary
gd.grabExcessVerticalSpace = true;//maybe not necessary

and don't forget to say your ScrolledComposite

scroll.setExpandHorizontal(true);
scroll.setExpandVertical(true);
scroll.setMinSize(xx, yy);//maybe not necessary

Re: how to auto resizing composite [message #437227 is a reply to message #437224]

Fri, 23 September 2005 12:21

Eclipse User

Yeah Arne has it right, I was doing something that sounds almost exactly
what you are trying to do. One of the problems that I was having though
was that I was setting the scroll.setExpandHorizontal(true) before I had
populated the composite. This was causing the composite to expand to
fill the scrolled composite, but when the scrolled composite would
shrink the composite would not give up its excess horizontal space, a
very vexing problem. So just as a word of caution set the expand
horizontal to true after you're done with the underlying composite.

arne anka wrote:
> if i understand right:
>
> GridData gd=new GridData();
> gd.verticalAlignment = GridData.FILL;
> gd.horizontalAlignment = GridData.FILL;
> gd.grabExcessHorizontalSpace = true;//maybe not necessary
> gd.grabExcessVerticalSpace = true;//maybe not necessary
>
> and don't forget to say your ScrolledComposite
>
> scroll.setExpandHorizontal(true);
> scroll.setExpandVertical(true);
> scroll.setMinSize(xx, yy);//maybe not necessary

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