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* We must call teco_interface_bytes2glyphs() only ever with byte offsets
that already exist in the buffer.
* regression, introduced in aaa1d51a4c85fcc627e88ef7cf5292d9c5f5f840
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* We have to avoid `/*` within comments, so one of the two characters will
have to use a named glyph.
\[**] is actually a special symbol, which wasn't noticed until supporting Unicode.
There is no named glyph for the plain asterisk.
Thus we now use \[sl] to escape the `/` character.
`/\c*` might have also worked.
* grosciteco now supports the `sl` glyph.
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* PDCurses is practically used only for Windows builds, which only I build presumably,
so it should be okay to bump the version.
* Older PDCurses versions had serious problems like not detecting BUTTONX_RELEASED events.
This was worked around and is fixed now.
Even the Wincon version behaves like ncurses now with regard to mouse events.
* We no longer have to support processing BUTTONX_CLICKED events.
On the downside the mouse mask had to be adapted.
* See also https://github.com/Bill-Gray/PDCursesMod/issues/330
* We also no longer have to call resize_term(0,0).
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This reverts commit 8cc704b897f33d6150156c77202a29222b9ee667.
This is no longer necessary with PDCurses v4.5.1.
Keeping compatibility with old PDCurses versions is not very important
as only I currently build and provide Windows binaries.
Also, the previous workaround decreases usability on PDcurses/wincon even
with a newer PDCurses library.
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* Apparently, we cannot disable smooth scrolling on a per-application basis,
so I have to handle both discrete and smooth scrolling events.
* Since SciTECO's scroll API (-EJ) is based on discrete scrolling, we now
emulate discrete scroll events by accumulating the delta_y of smooth scroll events.
The threshold value of 12 is chosen arbitrarily, but based on an example in
the Gtk documentation.
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* Previously, deleting text after a text match or insertion
could result in wrong ^S/^Y results.
In particular, the amount of characters deleted by <FD> at the end of a buffer
couldn't be queried.
* This also fixes the M#rf (reflow paragraph) macro.
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Clang static analyzer
There was the possibility that an unitialized value is passed into a got_register_cb().
This could only happen in normal parse mode and it's unlikely to have caused problems in practice
as all callbacks should not rely on qreg being valid in parse-only mode.
This sort of bug would have also been catched by Valgrind.
The rest of the scan-build-reported warnings are bogus
(caused by not being g_auto-aware).
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* This is not in Video TECO, but TECO-11 has a search-and-replace variant of <N>.
<N> however is a search-over-page-boundary command in TECO-11, which has been repurposed
as search-over-buffer-boundary in Video TECO and SciTECO.
* <N> and <FN> no longer call the edit hook after *every* invocation, but only
if the current buffer changes. This is not really relevant with the current
default hook from fallback.teco_ini, but might be depending on the use case.
* Added testcases both for <N> and <FN>.
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from MSYS
Ther rest of mingw32 still appears to exist, though.
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* The old behavior of throwing an error was inherited from Video TECO.
* The command is now more similar to TECO-11.
* Since -1 is taken, invalid and incomplete UTF-8 byte sequences
are now reported as -2/-3.
I wasn't really able to provoke -3, though.
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command now
* Improves DEC TECO-11 compatibility.
* <EM> is still supported as a synonym, but considered deprecated and is no longer documented.
A warning is printed when invoked.
It can be repurposed at any time in the future.
* `EI$` is not yet supported.
I am unsure whether this makes any sense.
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* Now, `I^P` can replace `EI`.
EI is therefore now free to be repurposed as the new "mung file" command for improved TECO-11 compatibility.
* On the downside when inserting large blocks of TECO code, you will have to write something like
`@I{^P !...! }`
* The construct is also useful when searching for carets as in `S^P^Q^`.
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* This may break existing macros!
^C is now essentially a synonym for $$ and may not terminate the program
when called from a non-toplevel macro frame.
However it improves compatibility with TECO-11.
* In contrast to TECO-11, ^C^C (exit) can be typed completely in upcaret mode.
Otherwise it wouldn't have been possible to use the exit command in ASCII-only scripts.
* The implementation of ^C^C uses a lookahead state similar to ^[ (escape).
^C does not return immediately, but the following character determines whether it will
perform a return or exit.
It's one of the rare cases in SciTECO where this is possible and safe since
^C is also disallowed on the command-line to avoid undesired command-line terminations
after ^C interruptions.
(You can only use $$ to terminate the command-line interactively.)
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It is no longer in the tarballs, so there is no need to document the license.
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* Any value left on the numeric stack now determines the exit code.
This ensures you can call n^C as the SciTECO version of exit(n).
It will also work with n$$ in the top level macro.
But you don't necessarily need any of these commands.
* Could be useful in shell scripting as in
`sciteco -e "@EB/file/ :@S/foo/\"F1'"` to fail `foo` is not found.
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So you can lookup `?bool$` for instance.
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Also, unterminated strings are highlighted with the "error" color now.
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* Test cases where hard to read since there was a layer of shell and M4 escaping -- sometimes
with the help of quadrigraphs -- to preserve the original TECO characters.
* We introduced TE_CHECK() and TE_CHECK_CMDLINE() M4 macros which care about shell escaping
automatically.
* If all TECO code is double quoted with [[ and ]], single square and round brackets
are preserved as well.
* Only in case of using *unbalanced* single square brackets, you have to take action
and add `![!` or `!]!` TECO comments to balance them out.
This is still better than quadrigraphs.
* The $ESCAPE and $RUBOUT environment variables are replaced by equivalent
M4 macros, so they can be used with TE_CHECK_CMDLINE().
* Other references to shell variables have been resolved by exporting them
into the environment (as in the case of $srcdir) or by introducing
new M4 macros (TE_MAXINTxx, TE_MININTxx).
* The $WORDS_EXAMPLE variable has been got rid of by writing it into a temporary
file instead. There is some redundancy -- in principle an M4 macro could have also been used.
* This leaves only 6 remaining usages of AT_CHECK() for invoking SciTECO,
mainly for testing opener.tes, where we have to pass in command line arguments.
In theory most of them could be avoided as well by preparing the unnamed buffer appropriately.
However the way that command line parameters are passed will be changed sooner or later.
* This uses GNU M4 extensions, but Autoconf requires that anyway.
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replacement register (after `{`)
I found that terminating the command-line while editing the replacement register,
leaves you in a hard-to-recover state. You can/should no longer call `}`, so you would
have to go back to the last buffer (Q*U*).
Instead, this is now checked against and a test case has also been added.
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* When popping from the Q-Register stack to local Q-Registers in macro calls,
problems would arise when rubbing out that macro call since we would eventually restore
a pointer that has been permanently freed along with the local Q-Registers.
* Naturally this could result in everything from Valgrind warnings to crashes.
* Added test case.
* There is still a test case that fails when run under `--valgrind`,
but it's apparently due to a glib-internal memory leak.
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* This currently folds only {...} string arguments and embedded braces,
most prominently `@^Um{...}` macro definitions..
* Any additional folding for loops and IF-statements should rely on book
keeping by the main parser.
This would also help catch syntactic errors, like dangling IFs.
* We do keep track of the loop nesting, but currently only in execution mode.
* It cannot be disabled via the "fold" property.
Lexers in the container do not have properties.
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The ^KMOUSE macro can also change dot and it was possible
to place dot into invisible areas at the end of the document.
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* Support fold level configuration using `.SCITECO_FOLDLEVEL`.
This sets the current output line as the fold header and all subsequent lines
with the given fold level (until another `.SCITECO_FOLDLEVEL` instruction
is encountered).
* This is now done automatically for man's SH and SS macros,
so the man-page based woman pages provide folding.
* The folding margin is therefore now always enabled in fallback.teco_ini.
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* After detecting +line[,column] constructs, the next argument is not parsed as a potential
filename:line[:column] construct.
* This code turned out to be tricky to get right, so I added a test case.
Standard library modules can well be checked in the test suite since
we have $SCITECOPATH pointing to the source tree's lib/ directory.
* Make sure that relevant variables from atlocal.in are really exported into the
process environment.
This was also broken for the Glib debug options.
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* Set up the folding margin in the currently empty margin column
after the line number.
On Gtk, this meant resetting all the marker symbols and their
foreground/background colors as well as the margin's colors themselves.
This looks like a bug. It's not necessary on Scinterm, which apparently
uses the default/linenumber styles by default.
Perhaps we should try upgrading Scintilla?
* The folding state is considered not to be directly controlled by the
language (just like the scroll position and zoom level). That's why
we can directly control it by clicking on the margin column.
* F1 can be used to toggle all folds globally.
* The only support within the C core necessary for folding is to make
sure that the current line is unfolded after every keypress.
* We might add custom folding commands to the language later on
(e.g. F+, F-). In this case, the key macros will have to be changed
of course.
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Also updated NEWS: mention v2.4.0 release.
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customized (refs #34)
* In the grosciteco-generated .woman.tec files, the fonts were only
set on the monospaced styles if lexer.font was set since it was
undefined by default.
We'd need a lare IF-ELSE statement to handle that in womanpages
since woman.tes changes the default font to a variable-width font.
Just leaving the default font, therefore won't work.
* We now always initialize lexer.font in lexer.tes.
You no longer have to check for its existance.
* Consequently, you can no longer set lexer.font *before* munging
lexer.tes because it will be overwritten.
At least not without additional checks.
Such a design is not suggested by fallback.teco_ini, though.
* Fixes monospaced sections in the tutorial and other womanpages on Gtk.
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variable-width font is configurable via lexer.woman.font (refs #34)
* grosciteco was just hardcoding "Monospace", regardless of what was configured via lexer.font in ~/.teco_ini
* The variable-width font used for ordinary "womanpage" body texts was hardcoded to "Serif".
It is now configurable via the lexer.woman.font register.
* There is a difference, though:
lexer.font has no default value and must therefore be checked everywhere.
This is so you can set it even before munging lexer.tes.
lexer.woman.font however has a default (Serif), so it can only be overridden after
munging lexer.tes.
Perhaps it would be easier and more consistent to have a default for lexer.font as well.
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This was supposed to be done before the release,
but the braindead `dch` tool did not update the timestamp
without changing the changelog entry itself.
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Also use binary packages when testing with Poudriere
(gmake -f ./distribute.mk poudriere).
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* ChangeLogs now contain the dates of all releases.
* The FreeBSD package must practically be updated after uploading the release tarball.
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* The GdkWindow stacking order obviously got messed up when swapping out
the child widget in the GtkEventBox.
* This was probably also responsible for input events coming through
to the Scintilla view even though the GtkEventBox should block all
input events from reaching the Scintilla view.
The event masking in teco_view_new() is probably no longer necessary -
but better keep it to be on the safe side.
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file.patterns
The former is more basic and usually references file.patterns.
This helped for instance with processing SciTE's css.properties.
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Especially useful since Gtk users are supposed to edit ~/.teco_css.
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* The default womanpage font is the abstract "Serif" now, so that should be
more portable. "Times" wasn't found on Windows.
* Win32 distributions include a custom .teco_css now, which
removes the small-caps font attribute from the type label.
The default Gtk theme on Windows references the "Segoe UI" font
and it doesn't have a small-caps variant.
In fact no default Windows font appears to have one.
* We could add a custom .teco_ini to win32 distributions as well,
but there is currently no need for it.
* Do not distribute the /win32 files. They are used only for building
Win32/64 packages. There is no point in distributing them in the tarball if
the /debian and /freebsd directories aren't distributed as well.
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touch and scroll events
* You could drag and drop text into the Scintilla views, which would confuse SciTECO.
* In the future, we might actually want to support programmable drag-and-drop
support via special key macros.
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* We can therefore no longer provide 20.04 nightly builds.
Perhaps I will manually build binary releases for the v2.4.0 release for the last time.
The PPA will still provide 20.04 of course.
* The AppImages are consequently also built based on the Ubuntu 22.04 packages,
which are now the oldest supported ones.
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* There are cases, especially where the entire buffer is piped through some
external process or when removing and reinserting large parts of the buffer,
that dot changes very little, but the vertical scrolling position gets resets.
This is especially noticable with the macro @^U{[: HECcat$ ]:},
but also with M#cf (clang-format wrapper from "Useful macros").
* We now try to preserve the vertical position ("first visible line")
before scrolling caret.
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* At least on Windows it was observed that teco_interface_get_ansi_key()
would find ANSI keys on other layouts, but nothing corresponding to the key itself.
For instance, for a dead caret (^), we'd find backslash.
This made it impossible to type caret in the parser start states.
* We clumsily detect whether a keyevent refers to a dead key by checking its
symbolic name and pass it down to the input method unmodified.
* Fixes entering dead keys, at the very least on Windows, but potentially
on all other systems as well.
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document's boundaries
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This is hardcoded, but in line with the current defaults from
fnkeys.tes.
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