linton@marktwain.rad.sgi.com (Mark Linton) (05/16/91)
In article <1991May15.184124.13302@colorado.edu>, grunwald@foobar.colorado.edu (Dirk Grunwald) writes: |> Btw, are Glyphs the appropriate level for constructing small |> widget-like things in 3.0? I don't care about backwards compatibility; |> however, I don't see how Glyphs & Unidraw interact, and I see several |> problems that indicate I'm missing something (like, if a glyph updates |> a value asynchronously, how do you tell all Canvas's using that Glyph |> that this has occured?) Unidraw and glyphs will be integrated in 3.1. Use a Patch (MonoGlyph subclass) to wrap around a glyph tree that you want to update. Patches store a pointer to the canvas and can damage it when updating.