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* use libtool convenience libraries as much as possible
(for all static libraries except Scintilla)
* improves separation of language and user interface implementations
(e.g. the Gtk widgets are not interesting for the rest of SciTECO)
* the Curses popup widget can now be factored out of interface-curses.cpp
* some common CPPFLAGS are now defined by ./configure via AM_CPPFLAGS,
so they don't have to be repeated in each submodule.
* fixed building the Curses UI: GTK_FLOW_BOX_FALLBACK conditional
must always be defined.
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* we cannot use G_N_ELEMENTS in attribute declarations with Clang
unless declaring C++11. In this case, since the size of the orig_color_table
is fixed anyway, the declaration was simply fixed.
* some reordering was necessary in cmdline.cpp. This should not
have any influence on GCC when optimizations are enabled.
* Scintilla/Scinterm had to be updated as well.
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* format_str() will now automatically right-truncate strings (with
formatted control characters) exceeding the window width (or provided
maximum width of formatted characters).
This means that Q-Register names in the info line are now properly
truncated.
* introduced format_filename() which takes care of canonicalizing
control characters in a given filename and truncate the filename
if necessary. Filenames are currently left-truncated since the file
name proper and the directory containing it is more significant
than the directory names closer to the root.
On Windows, we make sure that the drive letter is not truncated.
The truncation rules may have to be further tweaked later.
This feature properly truncated file names in the info line and
in the auto-completion popup.
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* InterfaceCurses::Popup has been turned into a proper class.
This made sense since it is more complicated now and allows
us to isolate popup-related code.
This will also ease moving the popup code as a widget into
its own file later (it seems we will need subdirs per interface
anyway).
* the popup is now implemented using curses pads of which pages
are copied into the popup window (to implement cycling through
the list of entries). This simplifies things conceptually.
* instead of a trailing ellipsis, scrollbars are shown if the popup
area is too small to show all entries.
This looks much better and consistent with regard to Scinterm's
scrollbars. Also, the planned GTK+ popup widget rewrite will have
scroll bars, too for cycling through the list of entries.
Therefore, the popup window will now always be the same size
when cycling. This also looks better.
* Borders are drawn around the popup area.
This makes sense since the popup area had to be colored distinctly
just to be able to discern it from the rest of the UI (esp. the
Scintilla view). Now, less annoying colors may be used by default
or set up in color profiles while still maintaining good visibility.
Also, with the borders added, the popup area looks more consistent
when it covers the entire screen.
* Entries that are too long to fit on the screen (e.g. long file names)
are now truncated with a bold/underline ellipsis.
* Use scintilla_noutrefresh() to refresh the Scintilla view.
Since popups have to be refreshed __after__ the Scintilla view,
this improves performance significantly and reduces flickering
when displaying large popups.
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* palette changes are persistent on PDCurses/win32, too.
Fortunately, on this port we can reliably query the console palette.
This is done ONLY on PDcurses/win32 since on other ports (notably
ncurses), this can cause more harm than it helps.
* support palette restoration on xterm by hardcoding the appropriate
escape sequence. $TERM cannot be used to identify xterm, but
looking at $XTERM_VERSION is sufficient hopefully.
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on Scintilla styles
* The first 16 colors of the terminal palette can be redefined
using the 3EJ property - with all restrictions that ncurses
and UNIX terminals impose on us.
It is still important to be able to redefine the palette for
some color schemes like Solarized since it may be difficult
for users to set up the terminal emulator's palette manually.
Also when using PDCurses, setting the palette is port-specific
or only possible using init_color(). In order to allow color
redefinitions across all curses ports it makes sense if SciTECO
gives access to the color initialization of curses even if it can
guarantee very little about its semantics in general.
* 3EJ is completely ignored for GTK+
* use the STYLE_DEFAULT of the current document to style the message line.
Fg and bg colors are reversed to guarantee a good contrast to the
Scintilla view.
Errors are still hardcoded to a red background, warnings to yellow
and info messages to green.
This allows color-scheming more of SciTECO given that the
red, yellow and green terminal colors are not changed fundamentally
in the terminal's palette.
* info line is now also styled using STYLE_DEFAULT (reverse colors).
The Q-Register and buffer names are now written out using format_str()
which means that control characters are written out in REVERSE just
like in the command line.
String::canonicalize_ctl() is still used to canonicalize window
titles.
* Command line is now modelled as a curses Pad and "blitted" to the
command line window. This allowed simplification of the command line
drawing code and introduction of format_str().
The command line is now styled according to STYLE_DEFAULT (original
fg and bg colors).
The rubbed-out part of the command line can now longer be shown in
bold black - or even bold light black - since that is not visible in
all color themes. Instead it is now only shown in bold.
Command line theming problems will be gone once we use a Scintilla
view for the command line.
* The popup widget is now styled according to STYLE_CALLTIP.
* This means that all relevant parts of SciTECO's user interface
can now be themed. This allows the creation of themes that redefine
the terminal palette radically (e.g. Solarized) and the creation of
"bright" themes (e.g. Solarized/bright).
* theming of the non-scintilla-view parts of SciTECO is currently
unsupported on GTK+. The reason is that both the popup widget
and command line widgets have to be rewritten completely in GTK+
and are work in progress, so adapting the current code would be
a waste of time.
* Added a manual section about the UI and theming.
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* relies on a patched version of Scinterm that allows you to
construct Scintilla objects, send messages etc. before Curses
is initialized.
The Scintilla and Scinterm submodules have been updated.
* This once and for all fixes batch mode and stdio redirections
in batch mode on all Curses platforms and operating systems.
* Fixes the ^C-does-not-interrupt bug on ncurses/UNIX.
See #4.
* On ncurses/UNIX we will still do a newterm()-initialization.
This allows us to keep stdout/stderr alone in case they are
redirected. This effectively allows redirecting SciTECO's
output into a file even in interactive mode.
ncurses/UNIX now behaves like, e.g. PDCurses/win32a and GTK+
in this regard.
* Curses environment variable handling fixed.
The environment registers are exported into the process environment
so that Curses environment variables can be set/modified by the
SciTECO profile.
* Use term.h for accessing terminfo now.
Explained set_window_title() limitations.
* fixed interruption via SIGINT. If the UI is waiting for user
input, SIGINT is effectively ignored instead of letting the
next character fail always.
* Updated sciteco(1) and sciteco(7): More options, environment variables
and signals documented. Also rewritten DESCRIPTION section
(different modes of operation).
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template base class constructors
* v4.4 is still officially supported by SciTECO (see INSTALL)
* Ubuntu Lucid appears to use v4.4 by default and lucid is till
supported by PPA. So this should fix building SciTECO in its PPA
for Ubuntu Lucid.
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* I now understand better why the old initialization worked ;-)
By not calling initscr(), we could prevent some terminal setup
and screen clearing usually performed which would interfere with
with having a clean stdout stream.
However the Curses screen was still basically attached to the
terminal.
* That's why there was screen flickering in urxvt when calling sciteco
(even in batch mode). Also that's why calling batch-mode SciTECO
did not work from other Curses programs (including SciTECO).
* The new implementation directs Curses at /dev/null, so it will
completely stay away from /dev/tty.
* /dev/tty is associated with the Curses screen only when the
interactive mode is initialized. This works elegantly via
freopen() - there's no need to create a new Curses screen.
* This does currently not work on PDCurses where the batch mode
will still initscr() followed by endwin().
I should investigate how newterm() behaves there - especially
on Windows.
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* the Curses window associated with a Scinterm Scintilla view is
INDEED deleted automatically by scintilla_delete()
* The Scinterm documentation is WRONG on this.
* This has been broken in the SciTECO code for a long time.
Perhaps, for some obscure reason, this does not cause any
problems on NCurses. It results in instant segfaults on
MinGW/PDCurses though.
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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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* does not change ./configure parameters
You still have to specifiy --with-interface=ncurses for
the Curses interface with default settings
* the "NCurses" UI was used for many different Curses
variants, so plain "Curses" is a better name.
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