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- Newsgroups: comp.windows.x
- Path: sparky!uunet!cs.utexas.edu!sdd.hp.com!spool.mu.edu!umn.edu!csus.edu!netcom.com!rogerr
- From: rogerr@netcom.com (roger reynolds)
- Subject: Re: Wcl novice requests help
- Message-ID: <1992Dec11.175535.4335@netcom.com>
- Organization: Netcom - Online Communication Services (408 241-9760 guest)
- References: <1g317nINNm3p@caldera.usc.edu> <1g5b3rINN6v6@horus.ap.mchp.sni.de> <1992Dec9.221603.757@rwwa.COM>
- Distribution: usa
- Date: Fri, 11 Dec 1992 17:55:35 GMT
- Lines: 117
-
- In article <1992Dec9.221603.757@rwwa.COM> witr@rwwa.com writes:
- >In article <1g5b3rINN6v6@horus.ap.mchp.sni.de>,
- > david@breslau.ap.mchp.sni.de (David Smyth) writes:
- >
- >| mitzel@caldera.usc.edu (Danny Mitzel) writes:
- >| >I was wondering if someone could point me to a simple program to look
- >| >at the code side of initializing/interacting with the Wcl created
- >| >widgets.
- >|
- >| Here is exactly how I do it.
- >
- >[... excellent narrative deleted ...]
-
- [ ... more good commentary deleted ...]
-
-
- The only thing that I have to add to this discussion is the
- introduction of my resource file preprocessor RIL.
- Here is the README file for RIL, version 2.1.
-
- What is RIL?
- RIL - "Roger's Interface Language", is basically a "preprocessor"
- for Resource files. At a minimum, RIL allows you to write resource
- files in a clean, easy to read and edit style, as "source code"
- for the generation of a true "app-defaults" file.
-
- Taken to extremes, RIL allows you to use conditional statements,
- flow control constructs, user-definable procedures and variables,
- and a whole lotta other neat stuff, to specify your interface.
-
- RIL is based on TCL. If you do not have TCL, you need to get it.
- TCL can be FTP'd from sprite.berkely.edu, among other places.
- TCL is really the guts behind RIL, and it comes with reasonable
- documentation on the details of the language.
- If you already use TCL, you can use the version that you already have
- with some minor edits in the Imakefile.
-
- RIL has about 3 "modes" of operation:
- 1. Write ril scripts and "compile" them to app-defaults files
- These app-defaults files can be used any place an ordinary
- resource file can be used. (as app-defaults, fallbacks, Mri...)
-
- 2. Use the program "ril" to run an application from its ril source(s).
- This is analagous to using Mri on a plain resource file, and is
- an excellent way to quickly prototype an interface.
-
- 3. Link libril.a with an application, and use ril source instead
- of resource files. This is most useful if you are already using
- WCL. This is how I build all my Motif apps these days.
- This provides a very convenient cycle for developing interfaces,
- there is no "compiling" of the ril files. They are read each
- time the program runs.
-
- This is the second general release of RIL. I'm still a bit
- short on examples, but the guts of RIL is now pretty solid
- and reliable, and is substantially improved over the first release.
- Still, I WELCOME your comments and suggestions as to how to
- to improve RIL and make it more useful. I'm still learning
- too...
-
- Who should use RIL?
- Anybody that generates complex resource files can benefit from
- using RIL. In particular, users of WCL will find RIL an
- invaluable tool, because WCL allows/demands "complete" resource
- files, which can get really large and ugly.
-
- Also, you can think of RIL as a kind of substitute for UIL.
- This is may especially interesting for OLIT and ATHENA users.
-
- What do I need to get to use RIL, and where do I get it?
- The latest version of ril is always available for anonymous
- ftp from my site netcom.com in the /pub/rogerr directory.
- There is an older version on export, but I prefer to keep
- it at netcom since I have more control over what is there.
- If you can't get it from netcom, drop me a line and we can
- make other arrangements.
-
- RIL requires TCL 6.3 or greator. If you already have it, you can
- use that. Otherwise, get it from sprite.berkely.edu.
-
- RIL works best in conjunction with WCL, though WCL is not required.
- If you don't have WCL you should get it, whether you use RIL or not!
- The most recent version of WCL is available on export.
-
- How do I learn to use RIL?
- There are some demo "programs" in the distribution which should
- serve as a guide to using RIL, and the basics of TCL.
- For a more complete description of the full potential of RIL,
- you can read the TCL documentation included in the TCL distribution.
- If you already use WCL, you should be able to get quite a long
- way very quickly just by looking over the examples.
-
- The file ril_main.c is a demonstration of how you would incorporate
- the use of ril into an application, as suggested in method 3 above.
-
-
- What is the future of RIL?
- Well, thats a good question. RIL is only a few months old, and
- I myself have not had a chance to try all of the things which I
- have tried to provide hooks to do.
-
- Some things that sould be possible with RIL, but I have not yet
- tried, or don't have examples of, are:
- Building a library of re-usable high-level interface components.
- Defining and using resource "styles".
-
- Some features that I had envisioned, but have not yet implemented
- are:
- Genereate C-code from ril source.
- Error checking on resource specifications.
- Additional language features.
- Suggestions from the world...
-
- ---------------------------------------------------
-
- Enjoy,
- rogerr@netcom.com
-