[Pharo-project] A new GUI visual designer

Richard Durr richard.durr at googlemail.com
Tue Feb 15 20:53:11 CET 2011

Here is more information:


On Mon, Feb 14, 2011 at 9:41 PM, Stéphane Ducasse <stephane.ducasse at inria.fr
> wrote:

> What is happening if the class of your application UI gets a new variables
> or if a superclass changes its structure?
> May be in objective-C you have to resave your nib?

I do not know.

> Stef
> > Just a comment: :)
> >
> > The Interface Builder of Nextstep and Mac OS X –  a closely
> Smalltalk-related and inspired system – creates the objects making up the
> user interface (it instantiates them) and then saves the state of everything
> into a nib/xib file (binary/xml) using the general object-persistency
> mechanism of Cocoa (NSKeyedArchiver). This file is then loaded when the
> application in question starts, all the freeze-dried objects in the UI-file
> are revived (awakened – not created) and then loaded into the object space
> of the app.
> >
> > This reminds me of the way, the Smalltalk Image works – except that the
> image stores the whole application object space where the nib/xib only
> stores the objects the interface is composed of. With Morphic there even
> exists an easy way to compose an interface with using original objects
> directly like or better than Interface Builder.
> >
> > But instead of using the image as a storage mechanism for the
> instantiated objects of a morphic-designed interface we are stuck with the
> textual distribution mechanism and discussing how we can for example use xml
> to do that.
> >
> > That is ironic, I think ^^
> >
> > --
> > Sent from my DynaBook.
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