X-Git-Url: https://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=TO-DO;h=f021a1b5f14dd79d281c42f40b4471d8a03e13d9;hp=22acd0f1f3c6d6be5a2e7c0d13c7e6217c787f20;hb=e5d1530ca229aef94a3c84ad33f8ae89f35c4045;hpb=5242fccf157e715ed878455a3efea6c82b840eb5 diff --git a/TO-DO b/TO-DO index 22acd0f1..f021a1b5 100644 --- a/TO-DO +++ b/TO-DO @@ -1,5 +1,6 @@ ------------------------------------------------------------------------------- --- Copyright (c) 1998-2006,2007 Free Software Foundation, Inc. -- +-- Copyright 2020 Thomas E. Dickey -- +-- Copyright 1998-2010,2011 Free Software Foundation, Inc. -- -- -- -- Permission is hereby granted, free of charge, to any person obtaining a -- -- copy of this software and associated documentation files (the -- @@ -25,7 +26,7 @@ -- sale, use or other dealings in this Software without prior written -- -- authorization. -- ------------------------------------------------------------------------------- --- $Id: TO-DO,v 1.49 2007/02/03 16:29:17 tom Exp $ +-- $Id: TO-DO,v 1.58 2020/02/02 23:34:34 tom Exp $ ------------------------------------------------------------------------------- SHORT-TERM TO-DO ITEMS: @@ -45,7 +46,7 @@ Known Problems: + Scrolling optimization has holes: for example, it forces repaints of the screen between calls to refresh(). -+ SVr4 uses slightly different rules for determining when softkeys are shown. ++ SVr4 uses slightly different rules for determining when softkeys are shown. For example, they are initially displayed (before the ncurses 'e' test activates them), and a touchwin can apparently also force them to be displayed. @@ -58,30 +59,42 @@ Known Problems: + The window classes defined in the c++ subdirectory need documentation. Some C++ programmer could earn a lot of good karma by doing this... -+ vid_attr() should support the set_a_attributes (sgr1) string, but does not. ++ vid_attr() should support the set_a_attributes (sgr1) string, but does not. There appear to be no terminals that require that functionality. ++ the configure --disable-ext-funcs option does not work for Ada95 tree. + ++ the --with-pthread configuration builds for Cygwin, but does not work + properly (test/worm.c shows all of the worms in the same location). + ++ the --enable-rpath configure option builds for the corresponding platforms; + however combining it with --with-ticlib and --with-termlib does not always + produce libraries that can be run without setting environment variables. + Building those with libtool does not work either. (This is a problem with + the BSD platforms). + ++ more work is needed to make the MinGW port support ordinary terminals. + Portability (or lack thereof): + Users of older System V UNIXes (but not Solaris, and probably not SVr4) may trip over a known problem with the signal-handling code which causes abrupt termination of ncurses applications following resume from a ^Z suspend (this problem was first seen running lynx). You will not see this problem if you - are running Linux or one of the 4.4BSD derivatives like FreeBSD, NetBSD, or - BSDI. For details, see the analysis in the header comment of - ncurses/tty/lib_tstp.c . + are using one of the 4.4BSD derivatives like such as, NetBSD, or BSDI, or + systems using that convention. For details, see the analysis in the header + comment of ncurses/tty/lib_tstp.c . + In theory, vwprintw and vwscanf are supposed to use the older varargs.h interface for handling variadic argument lists (and are deprecated by X/Open - for that reason). Linux doesn't have varargs.h, it has the newer - X/Open-standard stdargs.h equivalent. So these functions use stdargs - instead. This is unlikely to be a problem unless you're building ncurses on - a System V old enough to only have varargs.h. (Solaris 2.5.1 used the - stdarg.h binding as well). - -+ If you're using a BSD earlier than 4.4BSD, or a Linux old enough not to have - a native vsscanf(3) in its library, vwscanw() will not work. You lose. (It - should work on any System V, however). If you want to fix this, add an + for that reason). Many newer systems do no have varargs.h, instead they have + only the newer X/Open-standard stdargs.h equivalent. So these functions use + stdargs instead. This is unlikely to be a problem unless you're building + ncurses on a System V old enough to only have varargs.h. (Solaris 2.5.1 used + the stdarg.h binding as well). + ++ If you're using a system old enough not to have a native vsscanf(3) in its + library, vwscanw() will not work. If you want to fix this, add an implementation to ncurses/vsscanf.c. + The C++ binding fails to build with a few C++ compilers. @@ -111,7 +124,7 @@ supporting internationalization. 2. DOS port Only a few of the files in the library depend on the terminfo format. -It should be possible to further kernelize the package, then rewrite +It should be possible to further kernelize the package, then rewrite a small number of core files to produce a functionally-compatible port that would do updates to a memory-mapped screen area. The first result of this would be a DOS port. @@ -184,10 +197,10 @@ F. Unused VDT capabilities: move_insert, dest_tabs_magic_smso, transparent_underline, needs_xon_xoff, hard_cursor. Numerics: lines_of_memory, buttons. - Strings: pkey_key, pkey_local, pkey_xmit, underline_char, - enter_xon_mode, exit_xon_mode, xon_character, xoff_character, + Strings: pkey_key, pkey_local, pkey_xmit, underline_char, + enter_xon_mode, exit_xon_mode, xon_character, xoff_character, display_clock, remove_clock, user[0-5], display_pc_char, - enter_scancode_mode, exit_scancode_mode, pc_term_options, + enter_scancode_mode, exit_scancode_mode, pc_term_options, scancode_escape, alt_scancode_esc. These are the potentially important ones for ncurses. Notes: