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* Curses allows scrolling with the scroll wheel at least
if mouse support is enabled via ED flags.
Gtk always supported that.
* Allow clicking on popup entries to fully autocomplete them.
Since this behavior - just like auto completions - is parser state-dependant,
I introduced a new state method (insert_completion_cb).
All the implementations are currently in cmdline.c since there is some overlap
with the process_edit_cmd_cb implementations.
* Fixed pressing undefined function keys while showing the popup.
The popup area is no longer redrawn/replaced with the Scintilla view.
Instead, continue to show the popup.
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Analoguous to :EX, but always saves the file like EW$, not only if it's dirty.
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* This would crash if <EB> opened more than one file, e.g. EB*.c$.
The reason is that teco_current_doc_undo_edit() must be called before every teco_ring_edit().
* Unfortunately, this is not reproduceable with
sciteco --no-profile --fake-cmdline '@EB"foo*.txt"{HK}'
since the crashes actually happen when printing messages in interactive mode.
That's why no test case has been added.
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* The previous check could result in false positives if you are editing
a local Q-Register, that will be destroyed at the end of the current macro frame,
and call another non-colon modified macro.
* It must instead be invalid to keep the register edited only if it belongs to the
local Q-Registers that are about to be freed.
In other words, the table that the currently edited Q-Register belongs to, must be
the one we're about to destroy.
* This fixes the solarized.toggle (F5) macro when using the Solarized color scheme.
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* @EQ$/.../ sets the current directory from the contents of the given file.
@E%$/.../ stores the currend directory in the given file.
* @EQ*/.../ will fail, just like ^U*...$.
@E%*/.../ stores the current buffer's name in the given file.
* It's especially useful with the clipboard registers.
There could still be a minor bug in @E%~/.../ with regard to EOL normalization
as teco_view_save() will use the EOL style of the current document, which
may not be the style of the Q-Reg contents.
Conversions can generally be avoided for these particular commands.
But without teco_view_save() we'd have to care about save point creation.
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* pressing ^W in FG now deletes the entire directory component as in EB
* commands without glob patterns (eg. EW) can now autocomplete file names containing
glob patterns
* When the autocompletion contains a glob character in commands accepting
glob patterns like EB or EN, we now escape the glob pattern.
This already helps if the remaining file name can be autocompleted in one go.
Unfortunately, this is still insufficient if we can only partially complete
and the partial completion contains glob characters.
For instance, if there are 2 files: `file?.txt` and `file?.foo`,
completing after `f` will insert `ile[?].`.
The second try to press Tab will already do nothing.
To fully support these cases, we need a version of teco_file_auto_complete()
accepting glob patterns.
Perhaps we can simply append `*` to the given glob pattern.
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* Esp. with the new Scintilla version, the representation
setting as part of every SCI_SETDOCPOINTER has turned out to
be a performance bottleneck.
* The new Scintilla has a custom tweak/patch that disables any
automatic representation setting in Scintilla itself.
It is now sufficient to initialize the SciTECO-style representations
only once in the lifetime of any view.
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This is a total conversion of SciTECO to plain C (GNU C11).
The chance was taken to improve a lot of internal datastructures,
fix fundamental bugs and lay the foundations of future features.
The GTK user interface is now in an useable state!
All changes have been squashed together.
The language itself has almost not changed at all, except for:
* Detection of string terminators (usually Escape) now takes
the string building characters into account.
A string is only terminated outside of string building characters.
In other words, you can now for instance write
I^EQ[Hello$world]$
This removes one of the last bits of shellisms which is out of
place in SciTECO where no tokenization/lexing is performed.
Consequently, the current termination character can also be
escaped using ^Q/^R.
This is used by auto completions to make sure that strings
are inserted verbatim and without unwanted sideeffects.
* All strings can now safely contain null-characters
(see also: 8-bit cleanliness).
The null-character itself (^@) is not (yet) a valid SciTECO
command, though.
An incomplete list of changes:
* We got rid of the BSD headers for RB trees and lists/queues.
The problem with them was that they used a form of metaprogramming
only to gain a bit of type safety. It also resulted in less
readble code. This was a C++ desease.
The new code avoids metaprogramming only to gain type safety.
The BSD tree.h has been replaced by rb3ptr by Jens Stimpfle
(https://github.com/jstimpfle/rb3ptr).
This implementation is also more memory efficient than BSD's.
The BSD list.h and queue.h has been replaced with a custom
src/list.h.
* Fixed crashes, performance issues and compatibility issues with
the Gtk 3 User Interface.
It is now more or less ready for general use.
The GDK lock is no longer used to avoid using deprecated functions.
On the downside, the new implementation (driving the Gtk event loop
stepwise) is even slower than the old one.
A few glitches remain (see TODO), but it is hoped that they will
be resolved by the Scintilla update which will be performed soon.
* A lot of program units have been split up, so they are shorter
and easier to maintain: core-commands.c, qreg-commands.c,
goto-commands.c, file-utils.h.
* Parser states are simply structs of callbacks now.
They still use a kind of polymorphy using a preprocessor trick.
TECO_DEFINE_STATE() takes an initializer list that will be
merged with the default list of field initializers.
To "subclass" states, you can simply define new macros that add
initializers to existing macros.
* Parsers no longer have a "transitions" table but the input_cb()
may use switch-case statements.
There are also teco_machine_main_transition_t now which can
be used to implement simple transitions. Additionally, you
can specify functions to execute during transitions.
This largely avoids long switch-case-statements.
* Parsers are embeddable/reusable now, at least in parse-only mode.
This does not currently bring any advantages but may later
be used to write a Scintilla lexer for TECO syntax highlighting.
Once parsers are fully embeddable, it will also be possible
to run TECO macros in a kind of coroutine which would allow
them to process string arguments in real time.
* undo.[ch] still uses metaprogramming extensively but via
the C preprocessor of course. On the downside, most undo
token generators must be initiated explicitly (theoretically
we could have used embedded functions / trampolines to
instantiate automatically but this has turned out to be
dangereous).
There is a TECO_DEFINE_UNDO_CALL() to generate closures for
arbitrary functions now (ie. to call an arbitrary function
at undo-time). This simplified a lot of code and is much
shorter than manually pushing undo tokens in many cases.
* Instead of the ridiculous C++ Curiously Recurring Template
Pattern to achieve static polymorphy for user interface
implementations, we now simply declare all functions to
implement in interface.h and link in the implementations.
This is possible since we no longer hace to define
interface subclasses (all state is static variables in
the interface's *.c files).
* Headers are now significantly shorter than in C++ since
we can often hide more of our "class" implementations.
* Memory counting is based on dlmalloc for most platforms now.
Unfortunately, there is no malloc implementation that
provides an efficient constant-time memory counter that
is guaranteed to decrease when freeing memory.
But since we use a defined malloc implementation now,
malloc_usable_size() can be used safely for tracking memory use.
malloc() replacement is very tricky on Windows, so we
use a poll thread on Windows. This can also be enabled
on other supported platforms using --disable-malloc-replacement.
All in all, I'm still not pleased with the state of memory
limiting. It is a mess.
* Error handling uses GError now. This has the advantage that
the GError codes can be reused once we support error catching
in the SciTECO language.
* Added a few more test suite cases.
* Haiku is no longer supported as builds are instable and
I did not manage to debug them - quite possibly Haiku bugs
were responsible.
* Glib v2.44 or later are now required.
The GTK UI requires Gtk+ v3.12 or later now.
The GtkFlowBox fallback and sciteco-wrapper workaround are
no longer required.
* We now extensively use the GCC/Clang-specific g_auto
feature (automatic deallocations when leaving the current
code block).
* Updated copyright to 2021.
SciTECO has been in continuous development, even though there
have been no commits since 2018.
* Since these changes are so significant, the target release has
been set to v2.0.
It is planned that beginning with v3.0, the language will be
kept stable.
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