Re: Scrolling a window

GUI.pm has several examples, just look for the code I mentioned.  I'd 
only be cutting/pasting that code.

On 02/03/2010 10:31 AM, Swingle David-QWHM86 wrote:
> Thanks!  Is there help on how to use widget::scrolledwindow and/or
> examples that use it, or do I have to go thru GUI.pm and figure it out?
> David
>
> -----Original Message-----
> From: Jeff Hobbs [mailto:[email protected]]
> Sent: Tuesday, March 02, 2010 1:17 PM
> To: Swingle David-QWHM86
> Cc: [email protected]
> Subject: Re: Scrolling a window
>
> Hi David,
>
> On 01/03/2010 2:37 PM, Swingle David-QWHM86 wrote:
>> Hi, I'd like to scroll a window, but can't seem to get it work.  I've
>> seen and tried code that scrolls widgets such as a listbox, but I want
>
>> to scroll the entire window.  What I would prefer is that there be no
>> scroll bars unless the user shrinks the window size so that widgets
>> are now out of view.  First, I tried to associate the scrollbars with
>> a frame, but I would get errors.  So, I tried using a canvas instead.
>
>> The code I have is below.  It will display scrollbars that do nothing.
>
> In order to scroll a set of widgets (rather than a single widget
> designed for scrolling), you need to use a megawidget that actually
> places the items on a canvas (which has a viewport for handling this).
> Fortunately this case is common enough that there are a couple in the
> tkkit.
>
> The first is the BWidget ScrolledWindow.  You can find an example of
> that in the tkx-ed code that ships with ActivePerl (look for
> 'new_ScrolledWindow').
>
> The second (and my preferred) is package 'widget::scrolledwindow', with
> an example in ActivePerl's lib/ActivePerl/PPM/GUI.pm (look for
> 'new_widget__scrolledwindow').
>
> Indeed, the PPM GUI sources are a good source of Tkx code.  We wrote the
> UI entirely in Tkx, just leveraging code in tkkit.  It has examples for
> cross-platform considerations, improved styling with use of native
> themed widgets, and advanced widget use cases.
>
> Regards,
>
> Jeff