File: TODO

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TODO: List of potential improvements in lpe

Items in this list are not considered bugs, but would be beneficial changes to
make in lpe and are on the back burner.

-------------------------------------------------------------------------------

- Make keymaps configurable. (priority: high)

Change lpe so that the keymap is not hard-coded into init_slang_keys, but is
rather set from configuration options.  This allows easier emulation of other
text editors from lpe, and allows people to use the editor in ways that make
sense to them.

- Don't display carriage returns on lines. (priority: medium)

There's some code to do this already... I'm thinking about exactly how it is
best accomplished.  I want to do this right.

- Convert all modes' syntax highlighting to one method. (priority: medium)

Ack, this is a mess!  I do not like it one bit!  I need to look over all of my
modules and find some standard way to do syntax highlighting -- Right now we
have my method cmode, cppmode, and javamode, and Eckehard Berns' method in
perlmode, htmlmode, and sgmlmode.  And they are very different from each other!
This makes changing stuff very hard, because I'm guaranteed to break stuff, and
I don't even understand Eckehard's code well enough to easily fix it.

- Full screen editing of sed/awk manipulations. (priority: medium)

Just a thought.  Since I've already designed input.c to allow for multiple open
buffers, perhaps I could create an extra full buffer to edit the sed and awk
scripts that are used by stream manipulation commands.  These could then
request sedmode and awkmode by default in set_buf_mode, and it would make
applying these sorts of things easier... sort of a meta-visual editor.  You
could even recursively apply an awk script to a sed script which is then
applied to the primary buffer.  This would be *very* nice if I obtained a sed,
awk, and bourne script mode to go with it.

- Change brace flashing. (priority: medium)

If and only if syntax highlighting is enabled, instead of actually moving the
cursor, I should just use a flash brace color to indicate the matching pair.
Then when the cursor is moved over one of a matching pair of braces, I can
highlight the pair as well.

- Modify mode file format. (priority: medium)

Change the modes to export a structure that more flexibly expresses what they
can do.  This allows version compatibility checks, as well as supporting the
linking of static libraries into the executable on platforms that don't support
shared libraries.

- Color unused keywords differently in Java. (priority: medium)

Several of Java's reserved words don't really have a meaning.  They are
reserved just for the hell of it.  These are byvalue, cast, const, future,
generic, goto, inner, operator, outer, rest, and var.  It would help if I
colored them a different color to indicate that their use is always an error.
(Maybe even red.)

- Update translations. (priority: medium)

Most translations of lpe are getting stale.  Man pages are not up to date in
other languages, and many messages are missing from many languages.

- Write custom indentation functions for the various modules. (priority: low)

Pretty obvious -- I'll do it when I get time, or I'll integrate it if some one
else wants to do it well.  This tends to be a hard thing to do well, though,
and the attempts I've seen have tended to make things a lot worse rather than
better!

- Implement at least a few mode-custom keys. (priority: low)

Mostly, this needs to be done as an example of how to do it, and so I can get
some experience with ease of use of the current interface.  Maybe I'll add a
key to send a cmode buffer through indent -kr.

- Translate to more languages. (priority: low)

There are obviously other useful languages that could be supported by lpe.  I
don't know any of them.  This is something that I'll include as more people
send me translations -- but it isn't a big deal unless that happens.  I've got
English, and that's all I'll use anyway.

- Support more languages. (priority: low)

I also need to rewrite the editor so that it can support unicode editing for
languages that can't really be expressed by single-byte characters.  This is
something to consider for the long term, but not something I have the ability
to do right now.

- Only load a window of the current file into the buffer. (priority: low)

Instead of allocating space for an entire file, it may help with large files to
load only a certain section of it.  The buffer would note the first and last
lines that are loaded, and an attempt to scroll, search, etc beyond those lines
would result in loading more of the file from disk.  This looks like it'd be a
pain to implement, but I'll do so as soon as someone complains about large
files in lpe.