On Thu, 8 Dec 2011, Henning Thielemann wrote:
> I think the best place for documenting the solution is not the FAQ but the
> documentation of the Visible class.
Here is my proposed patch:
wxhaskell/wx$ darcs2 diff --unified src/Graphics/UI/WX/Classes.hs
--- old-wxhaskell/wx/src/Graphics/UI/WX/Classes.hs 2011-12-08
19:45:56.000000000 +0100
+++ new-wxhaskell/wx/src/Graphics/UI/WX/Classes.hs 2011-12-08
19:45:56.000000000 +0100
@@ -173,6 +173,19 @@
-- | Visible widgets.
class Visible w where
-- | Is the widget visible?
+ --
+ -- If you hide a widget, its space will not immediately
+ -- be filled by other widgets.
+ -- Vice versa if you make a widget visible
+ -- it will not have space to be rendered into.
+ -- That is, when changing the visibility state
+ -- it is advised to update the layout
+ -- using 'Graphics.UI.WX.Layout.windowReFit'.
+ --
+ -- Example:
+ --
+ -- > do set w [ visible := False ]
+ -- > windowReFit w
visible :: Attr w Bool
-- | Refresh the widget explicitly.
refresh :: w -> IO ()
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