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SWT Layouts.. [message #460362]

Wed, 24 August 2005 13:28

Matt

Messages: 19
Registered: July 2009

Junior Member

Hi,

I'm trying to fill a screen with a composite, then at somepoint this composite gets hidden, and a new one is created which also needs to fill the screen.. eventually this is disposed and the original composite is called back with setVisible(true).

Now, before I used layout managers within these composites I was simply using setSize( screen width, height) to fill the screen with them. But this seems to no longer work (just a white screen appears).

So I decided to try using fill layout on the shell; which works for the first screen, but no matter what I do (create new filllayout/call layout() etc.) I can't get the second to appear.. (once again it will just turn into a white screen).

Argh, help? :)

Coding this for a pocketpc, first time using SWT.

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Re: SWT Layouts.. [message #460369 is a reply to message #460362]

Wed, 24 August 2005 13:37

Olivier Chalouhi

Messages: 10
Registered: July 2009

Junior Member

Matt,

The StackLayout is what your need.
Make sure you call shell.layout() after changing the topControl value of
the layout.

Regards,

Olivier.

Matt wrote:
> Hi,
>
> I'm trying to fill a screen with a composite, then at somepoint this composite gets hidden, and a new one is created which also needs to fill the screen.. eventually this is disposed and the original composite is called back with setVisible(true).
>
> Now, before I used layout managers within these composites I was simply using setSize( screen width, height) to fill the screen with them. But this seems to no longer work (just a white screen appears).
>
> So I decided to try using fill layout on the shell; which works for the first screen, but no matter what I do (create new filllayout/call layout() etc.) I can't get the second to appear.. (once again it will just turn into a white screen).
>
> Argh, help? :)
>
> Coding this for a pocketpc, first time using SWT.

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Re: SWT Layouts.. [message #460382 is a reply to message #460362]

Wed, 24 August 2005 13:44

Ricky

Messages: 204
Registered: July 2009

Senior Member

> I'm trying to fill a screen with a composite, then at somepoint this
> composite gets hidden, and a new one is created which also needs to fill
> the screen.. eventually this is disposed and the original composite is
> called back with setVisible(true).

Sounds like the right time to use StackLayout. Only one control at a time
is visible in this layout.

this.stackComposite = new Composite(parent,SWT.NONE);

this.stackLayout = new StackLayout();
this.stackComposite.setLayout(this.stackLayout);

Control nextTopControl = new ...

this.stackLayout.topControl = nextTopControl;
this.stackCanvas.layout();

hth,

Ricky

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Re: SWT Layouts.. [message #460388 is a reply to message #460382]

Wed, 24 August 2005 13:50

Matt

Messages: 19
Registered: July 2009

Junior Member

I thought that.. but there is no stack layout..

Perharps it's because it's a SWT implementation for WinCE?

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Re: SWT Layouts.. Ok.. argh? [message #460398 is a reply to message #460362]

Wed, 24 August 2005 14:48

Matt

Messages: 19
Registered: July 2009

Junior Member

Right.. so I've managed to get it working with FillLayout..

The second composite is there if I set items using setBounds.. but as soon as I try to use a layout on it (e.g. gridlayout).. nothing will appear..
(I know the layout code is correct as it's the same code being used on the first composite!)..

argh?! :(

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