diff options
Diffstat (limited to 'mbbsd/pfterm.c')
| -rw-r--r-- | mbbsd/pfterm.c | 23 |
1 files changed, 16 insertions, 7 deletions
diff --git a/mbbsd/pfterm.c b/mbbsd/pfterm.c index c0c9a516..9360acc4 100644 --- a/mbbsd/pfterm.c +++ b/mbbsd/pfterm.c @@ -127,13 +127,15 @@ // Some terminals prefer VT100 style scrolling, including Win/DOS telnet #undef FTCONF_USE_ANSI_SCROLL +#undef FTCONF_USE_VT100_SCROLL // Few poor terminals do not have relative move (ABCD). #undef FTCONF_USE_ANSI_RELMOVE -// Good terminals can accept any omit format (2) -// Poor terminals (eg, Win/DOS telnet) can only omit 2nd (1) -// Very few poor terminals (eg, CrazyTerm/BBMan) cannot omit any parametersa (0) +// Handling ANSI commands with 2 parameters (ex, ESC[m;nH) +// 2: Good terminals can accept any omit format (ESC[;nH) +// 1: Poor terminals (eg, Win/DOS telnet) can only omit 2nd (ESC[mH) +// 0: Very few poor terminals (eg, CrazyTerm/BBMan) cannot omit any parameters #define FTCONF_ANSICMD2_OMIT (0) ////////////////////////////////////////////////////////////////////////// @@ -1824,12 +1826,15 @@ fterm_rawscroll (int dy) fterm_rawcmd(ady, 1, cmd); ft.scroll -= dy; -#else +#else // VT100 flavor: - // * ESC D: cursor down - at bottom of region, scroll up - // * ESC M: cursor up - at top of region, scroll down - // Elder BBS systems do \n at (rows-1) as scroll() + // * ESC D: scroll down + // * ESC M: scroll up + // + // Elder BBS systems works in a mixed way: + // \n at (rows-1) as scroll() // and ESC-M at(0) as rscoll(). + // // SCP: CSI s / RCP: CSI u // Warning: cannot use SCP/RCP here, because on Win/DOS telnet // the position will change after scrolling (ex, (25,0)->(24,0). @@ -1855,7 +1860,11 @@ fterm_rawscroll (int dy) { // Win/DOS telnet may have extra text in new line, // because of the IME line. +#ifdef FTCONF_USE_VT100_SCROLL + fterm_raws(ESC_STR "D" ESC_STR "[K"); // ESC_STR "[K"); +#else fterm_raws("\n" ESC_STR "[K"); +#endif } else { fterm_raws(ESC_STR "M"); // ESC_STR "[K"); } |