David Virebayre wrote:
Heinrich Apfelmus:
I want to hear!
Just a description. :) You can also mention why you find it interesting etc.
Well I have an old program sitting around. Anyway, it's very simple :
The GUI has
- a window with a menu bar, 2 directory selects (source and dest
directories), 1 file select ( the 'patch file'), 1 textview to write
logging information, and a 'Convert' button to start.
- an about window that opens from a 'About...' menuitem
- A status bar.
The convert button stats an action that scans all applicable files in
a source directory, converts them and writes them in a destination
directory.
The conversion itself is irrelevant to the topic, in my case it
consists in searching for patterns in the file and replacing them,
according to a list of changes read from a file, the 'patch file'.
The progression is logged in the textview: file processed, strings
replaced. In the status bar, a percentage bar grows.
Why do I find it interesting ?
Most of the time I would do a program like the above with a command
line interface only. GUI programming can be tedious. Would FRP offer a
way to code such a simple, boring example in a fun way ?
Also, FRP is often concerned with animations, but I'd really like to
see if it works well for small utilities.
I have an old source code I can share, using gtk2hs, imperative style
(and also beginner-ugly style :) ). It's about 200 lines of codes and
a glade file. It just compiled and ran fine here.
Interesting! This looks very much like a command-line program in
disguise, probably a perfect fit for Conal Elliott's tangible values.
http://www.haskell.org/haskellwiki/TV
Could you send me a few screenshots showing the program in action?
Best regards,
Heinrich Apfelmus
--
http://apfelmus.nfshost.com
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