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* it is now redrawn once after each key press, even if the
info line has not changed.
* This is because Interface::update_info() is called very often
in interactive mode, so it makes more sense to redraw it after user
interaction (where even unnecessary delays are not noticed so easily),
than thousands of times in a macro.
* This is especially important since InterfaceCurses::update_info() now
also sets the Window title on PDCurses - this is a very costly operation.
* The same optimization was applied to InterfaceGtk where it is probably
greatly responsible for the sluggishness of the UI.
The GTK+ changes are currently UNTESTED.
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cleanup/refactoring
* characters rubbed out are not totally removed from the command line,
but only from the *effective* command line.
* The rubbed out command line is displayed after the command line cursor.
On Curses it is grey and underlined.
* When characters are inserted that are on the rubbed out part of the command line,
the cursor simply moves forward.
NOTE: There's currently no immediate editing command for reinserting the
next character/word from the rubbed out command line.
* Characters resulting in errors are no longer simply discarded but rubbed out,
so they will stay in the rubbed out part of the command line, reminding you
which character caused the error.
* Improved Cmdline formatting on Curses UI:
* Asterisk is printed bold
* Control characters are printed in REVERSE style, similar to what
Scinterm does. The controll character formatting has thus been moved
from macro_echo() in cmdline.cpp to the UI implementations.
* Updated the GTK+ UI (UNTESTED): I did only, the most important API
adaptions. The command line still does not use any colors.
* Refactored entire command line handling:
* The command line is now a class (Cmdline), and most functions
in cmdline.cpp have been converted to methods.
* Esp. process_edit_cmd() (now Cmdline::process_edit_cmd()) has been
simplified. There is no longer the possibility of a buffer overflow
because of static insertion buffer sizes
* Cleaned up usage of the cmdline_pos variable (now Cmdline::pc) which
is really a program counter that used a different origin as macro_pc
which was really confusing.
* The new Cmdline class is theoretically 8-bit clean. However all of this
will change again when we introduce Scintilla views for the command line.
* Added 8-bit clean (null-byte aware) versions of QRegisterData::set_string()
and QRegisterData::append_string()
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optimized screen refreshing/redrawing
* pressing e.g. TAB when the popup is showing a list of auto-completions
will show the next page, eventually beginning at the first one again.
* do not redraw curses windows in the UI methods directly. this resulted
in flickering during command-line editing macros and ordinary macro calls
because the physical screen was updated immediately.
Instead, window refreshing and updated is done centrally in
event_loop_iter() only after a key has been processed.
Also we use wnoutrefresh() and doupdate() to send as little to the
terminal (emulator) as possible.
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* it must be initialized after the UI (Interface::main), so I added
a View::initialize() function
* the old initialize() method was renamed to setup()
* use a global instance of QRegister::view so it is guaranteed to
be destroyed only after any QRegisters that could still need it
* Document API adapted to work with ViewCurrent references
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Both UIs have a current_view, so this field, the
ssm(), undo_ssm() and get_current_view() methods can be
refactored into the Interface base class
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it now works as good (or bad) as it did before.
* fixed entering of the Escape character
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normally, since SciTECO is not a library, this is not strictly
necessary since every library should use proper name prefixes
or namespaces for all global declarations to avoid name clashes.
However
* you cannot always rely on that
* Scintilla does violate the practice of using prefixes or namespaces.
The public APIs are OK, but it does define global functions/methods,
e.g. for "Document" that clashed with SciTECO's "TECODocument" class at
link-time.
Scintilla can put its definitions in a namespace, but this feature
cannot be easily enabled without patching Scintilla.
* a "SciTECO" namespace will be necessary if "SciTECO" is ever to be
turned into a library. Even if this library will have only a C-linkage
API, it must ensure it doesn't clutter the global namespace.
So the old "TECODocument" class was renamed back to "Document"
(SciTECO::Document).
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interface object definition
* they still define their own classes (e.g. InterfaceNCurses),
InterfaceCurrent is a typedef
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init_priority attribute
* we cannot use weak symbols in MinGW, so we avoid init_priority for symbol
initialization by compiling the empty definitions into
sciteco-minimal but the real ones into sciteco
(had to add new file symbols-minimal.cpp)
* this fixes compilation/linking on LLVM Clang AND Dragonegg
since their init_priority attribute is broken!
this will likely be fixed in the near future but broken versions
will be around for some time
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* Scintilla is now initialized from main() using Interface::main()
* Scintilla initialization depends on initialization of objects in the
global namespace (otherwise the Lexer catalogue may not be filled
properly and lexing may not work). Lexer modules were initialized
after SciTECO interface initialization
* merged Scintilla initialization (Interface::main()) with interface
option parsing
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