wxruby users - Apr 2007 - wx layout with sugar

I''m sure this will be user error on my part, but I can''t seem
to get the
following to layout properly. 

Basically, I want the p1 to fill the available space and p2 to be as small 
as possible (with the root panel filling all the available space).  With 
the following code, the buttons in the p2 end up being truncated, (i.e. 
the bottom line is missing). 

Where am I going wrong?

     add(Panel, :proportion => 1) {|p| p.arrange_vertically(:padding => 5)

      p.add(Panel, :proportion => 1) {|p1| p1.arrange_vertically(:padding 
=> 5)
        @history = p1.add(Choice, :minsize => true)
        @input = p1.add(TextCtrl[:style => TE_MULTILINE], :proportion => 
1) 
      }
 
      p.add(Panel, :proportion => 0) {|p2| 
p2.arrange_horizontally(:padding => 5)
        @eval = p2.add(Button[:label => ''eval''])
        @clear_context = p2.add(Button[:label => ''clear
context''])
      }
    }

Incidently, it would be cool if sugar allowed applications to register 
default styles (:padding etc) for component types

p.


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paul.allton at uk.bnpparibas.com wrote:
> Basically, I want the p1 to fill the available space and p2 to be as 
> small as possible (with the root panel filling all the available 
> space).  With the following code, the buttons in the p2 end up being 
> truncated, (i.e. the bottom line is missing).  
The problem I think is that the second panel has no implicit minimum 
size, so the superior sizer doesn''t apportion it any space.

You can fix it two ways. One is to dispense with the second subsidiary 
panel, and attach the buttons directly to the main panel, but within a 
arrange_horizontally block. It''ll then nest the horizontal sizer within
the main one.

Alternatively, you can tell the second panel to have a minimum size to 
fit the buttons. This emulates the set_sizer_and_fit call in plain wxRuby.

      p.add(Panel) do |p2| 
        p2.arrange_horizontally(:padding => 5) do | siz |
          @eval = p2.add(Button[:label => ''eval''])
          @clear_context = p2.add(Button[:label => ''clear
context''])
          p2.min_size = siz.min_size
        end
      end

Honestly, this surprised me a bit too.
> Incidently, it would be cool if sugar allowed applications to register 
> default styles (:padding etc) for component types
Yes, I think it would help make applications look consistent, but I''m 
not really sure yet what the interface should look like.

a