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TabFolder derives from Scrollable but no scrollbars there [message #441819]

Wed, 25 August 2004 18:22

John Austin

Messages: 34
Registered: July 2009

Member

I've tried to use the style bits for SWT.H_SCROLL and SWT.V_SCROLL a
call to the TabFolder constructor but they are ignored.

Why ?

The TabFolder is a (remote) subclass of Scrollable.

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Re: TabFolder derives from Scrollable but no scrollbars there [message #441820 is a reply to message #441819]

Wed, 25 August 2004 19:01

Carolyn MacLeod

Messages: 149
Registered: July 2009

Senior Member

Hi, John.
I'm not exactly sure what you expect to see happen with scrollbars on a
TabFolder.
TabFolder does have the feature that if there are too many tabs, a little
scrollbar appears in the top right corner so that the user can scroll
through the tabs.

Perhaps you are expecting the contents of a TabItem to be scrolled if you
turn on scrollbars? If so, then you need to know that this is not the job of
the TabFolder... instead, client area scrollbars are the responsibility of
the control that is set into each TabItem using setControl. If a TabItem's
control has scrollbars, then the content of the TabFolder will have
scrollbars when the corresponding TabItem is the frontmost item.

Hope this helps,
Carolyn

"John Austin" <jwaustin@nl.rogers.com> wrote in message
news:cgil9u$fsh$1@eclipse.org...
> I've tried to use the style bits for SWT.H_SCROLL and SWT.V_SCROLL a
> call to the TabFolder constructor but they are ignored.
>
> Why ?
>
> The TabFolder is a (remote) subclass of Scrollable.
>

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Re: TabFolder derives from Scrollable but no scrollbars there [message #441868 is a reply to message #441820]

Thu, 26 August 2004 15:30

John Austin

Messages: 34
Registered: July 2009

Member

Carolyn MacLeod wrote:
> Hi, John.
> I'm not exactly sure what you expect to see happen with scrollbars on a
> TabFolder.
> TabFolder does have the feature that if there are too many tabs, a little
> scrollbar appears in the top right corner so that the user can scroll
> through the tabs.
>

Scrollable is a superclass. I was wondering where the behavior went. The
style bits H_SCROLL and V_SCROLL get masked off into oblivion in one
of the superclass constructors.

Kind of thought that there ought to be something in the documentation.

Thanks.

> Perhaps you are expecting the contents of a TabItem to be scrolled if you
> turn on scrollbars? If so, then you need to know that this is not the job of
> the TabFolder... instead, client area scrollbars are the responsibility of
> the control that is set into each TabItem using setControl. If a TabItem's
> control has scrollbars, then the content of the TabFolder will have
> scrollbars when the corresponding TabItem is the frontmost item.
>
> Hope this helps,
> Carolyn
>
>
> "John Austin" <jwaustin@nl.rogers.com> wrote in message
> news:cgil9u$fsh$1@eclipse.org...
>
>>I've tried to use the style bits for SWT.H_SCROLL and SWT.V_SCROLL a
>>call to the TabFolder constructor but they are ignored.
>>
>>Why ?
>>
>>The TabFolder is a (remote) subclass of Scrollable.
>>
>
>
>

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