diff gui.urs @ 20:554e342665fe

Add a new parameter to Gui.gui
author Adam Chlipala <adam@chlipala.net>
date Sat, 24 Sep 2011 15:47:00 -0400
parents 16447dc6a68c
children 5905b56e0cd9
line wrap: on
line diff
--- a/gui.urs	Fri Sep 23 13:30:01 2011 +0200
+++ b/gui.urs	Sat Sep 24 15:47:00 2011 -0400
@@ -1,21 +1,17 @@
 (* Gui framework elements common across individual components. *)
 
 (* Types of this class describe gui components. *)
-class gui :: Type -> Type -> Type
- 
-
-(* class gui = fn t xcomponent => t -> xcomponent *)
-(* class gui :: Type -> Type -> Type *)
+class gui :: Type (* The type of an object to render *)
+      -> {Unit} (* The HTML context to render it for (minus [body]) *)
+      -> Type
 
 (* How to add components to the gui class. *)
-val mkGui : t ::: Type -> xcomponent:::Type -> (t -> xcomponent) -> gui t xcomponent
+val mkGui : t ::: Type -> ctx ::: {Unit} -> ([body ~ ctx] => t -> xml (body ++ ctx) [] []) -> gui t ctx
 
-(* Xml itself can be a gui component. *)
-val gui_xbody : gui xbody xbody
+(* XML itself can be a gui component. *)
+val gui_xbody : gui xbody []
+val gui_xtable : gui xtable [Table]
 
 (* Currently the only thing a gui component can do is be
  * pretty printed to a piece of xml. *)
-val toXml : t ::: Type -> xcomponent ::: Type -> gui t xcomponent -> t -> xcomponent
-
-
-
+val toXml : t ::: Type -> ctx ::: {Unit} -> [body ~ ctx] => gui t ctx -> t -> xml (body ++ ctx) [] []