[Openmcl-devel] IDE build-app interface?

Fri Apr 30 10:44:35 PDT 2010

+1

On Apr 30, 2010, at 10:26 AM, Gail Zacharias wrote:

> As long as you're collecting a wish list.... Currently, hemlock is only available as a window.  It would be really great to have it available as a view, i.e. something that could be added to application windows.
> 
> 
> On Fri, Apr 30, 2010 at 10:55 AM, Paul Krueger <plkrueger at comcast.net> wrote:
> Sorry for the long email below. If you're not interested in building stand-alone Cocoa apps delete now.
> 
> For my next contrib Cocoa project I've been thinking about doing an interface to the build-application code and generally adding facilities to support the evolution of an application from one that runs under the IDE to one that runs stand-alone. Is anyone already working on functionality like this? I don't want to duplicate efforts if this is already underway. I'd be happy to help out if work is underway and help is needed.
> 
> If nobody is already doing it, then I'll take it on. I have my own initial vision about how this might look, but I'd like to solicit input from anyone who has thoughts about what this should do.
> 
> Some initial design considerations ...
> 
> It seems to me that the path one would take from debugging with the IDE to having a stand-alone app depends on how much overlap or conflict exists between the app and the IDE. Areas where overlap/conflict might exist include:
> 
> 1. Menus ... Although it's possible to add new menus and/or menuitems to CCL's default set when running under the IDE, it might be better to provide functionality that toggles back and forth between the IDE's set of menus and a set provided via a developer NIB while debugging under the IDE. Then that NIB could be made the default for a stand-alone app. I can imagine functions that would show one set or the other or both side-by-side and change the viewable set(s) on the fly. The build interface should support selection of these options.
> 
> 2. Application and App delegate classes ... I don't believe there is any way to substitute different versions of these at runtime. So that means that to really test an alternate class that you define you'd probably have to build a stand-alone app with the new classes in place. In some cases it might be possible to subclass the lisp-application and/or lisp-application-delegate classes to build an app that has both the IDE functionality and whatever new functionality is needed. The build interface should support the specification of application and app delegate classes. Some validity checking should be done to assure that if IDE resources are included, then the app and app delegate classes are sub-classes of their IDE counterparts.
> 
> 3. Document controller ... The app delegate for the CCL IDE initializes a hemlock-document-controller at startup. Custom apps are likely to want to provide their own document controller. Making a subclass of hemlock-document-controller might be possible, but some changes to the app delegate would also be required to make sure that the new subclass is the one created when the app is initialized. The interface should also make it easy to add new document types, so the controller knows what class should manage each type.
> 
> 4. Init file ... Some apps may want to load and use normal user-specified init files and some may not. Some may want two different init files loaded. The interface should allow specification of desired behavior.
> 
> 5. Application preferences ... May want to use IDE prefs or user-defined or both. Build user interface should permit specification. Maybe most of this just falls out of what menus are used.
> 
> For my existing interface projects I have studiously avoided doing anything that might require changes to IDE functionality, but I think a case can be made for modifying the IDE in a way that permits easier extension using developer-defined subclasses. The idea would be to permit a path that evolves from:
> 1. Adding and testing functionality under an unmodified IDE (like my existing contrib projects) to
> 2. Building a stand-alone app that has substantially all of the IDE capabilities (typically for debugging) to
> 3. Building a stand-alone app that has little or no IDE functionality
> I've only been looking at the existing code for a few days, so I'm not exactly sure yet where modifications would have to be made, but I'm reasonably confident that something like this is possible with modest modifications to existing IDE classes.
> 
> I also want to strengthen the integration between CCL and Interface Builder by automatically creating class descriptions (of the sort that can be read into Interface Builder) for specified Lisp classes (that must inherit from Objective-C of course). This would make it easier to use and configure such classes when designing interfaces. I'd also like to trigger IB to actually load these (like Xcode does) if I can figure out how to do it. As near as I can tell there aren't any Apple Events supported by IB that would make that easy to do. There is a menu item in IB ("Read Class Files ...") that users can select to load class descriptions from a path they choose. So in the worst case the process would be to create the descriptions in Lisp and the developer would have to choose that menu item in IB and choose the right path.  I'd prefer to make that loading automatic if possible. I'm not exactly an Apple Events / Applescript expert (yet), but if somebody can explain how the Xcode/IB interaction works or suggest a way to automate the menu item selection AND path specification, then maybe I could find a way to make this work automatically from the IDE as well.
> 
> I've also attached a rough first cut at what a build interface window might look like in the IDE. I expect that would change as the process is refined.
> 
> Comments and suggestions appreciated.
> 
> Paul
> 
> 
> 
> 
> 
> 
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