Re: flow layout container possible?

["Robert Staudinger" <robert staudinger gmail com>]

Hi,

look at http://developer.gimp.org/api/2.0/app/GtkWrapBox.html .
This is what the gimp toolbox uses.

- Rob

On Tue, Jul 8, 2008 at 7:06 PM, Robert Staudinger
<robert staudinger gmail com> wrote:
> Hi all,
>
> Forgive me if this should be on the app devel list.  I have a need in
> my application for a "flow container", a concept I first learned about
> when working with Java (swing, I think).  It also exists in
> Windows.Forms and QT.  Essentially, it is a container that contains
> widgets, in order of addition from left to right, similar to an HBox,
> but once it exhausts all its available horizontal space, it creates
> another row and continues the same pattern.
>
> Here's some terrible ASCII art:
> | [ Button ] [ Button 2 ] [ Button 3 ]  |
> | [ Button 4] [ Button 5 ]                  |
>
> The problem I see with implementing such a container in GTK is that
> on_size_request (I'm a C++ developer, so bear with me on the gtkmm
> talk) doesn't give any hints as to an idea of the dimensions that I
> will have to work with.  The flow container is more of a "give me one
> dimension and i'll give you the other" container, so if I am given an
> approximate width, I can compute the height.
>
> Does anyone see a way to accomplish this?
>
> oh, btw, for completeness I tried Murray Cumming's FlowTable [1] in
> Glom but it's not quite the same idea.  In that implementation, you
> have to know the number of columns you want to break it into before
> hand.
>
> thanks, and cheers to those at GUADEC.
> dave
>
>
> [1] http://svn.gnome.org/viewvc/glom/trunk/glom/utility_widgets/flowtable.cc?view=markup
>