From 288381c01ec1729d4293cbb2e52d5dcd9306fb9b Mon Sep 17 00:00:00 2001 From: Michael Chastain Date: Sat, 11 Jan 2003 00:43:53 +0000 Subject: [PATCH] 2003-01-09 Michael Chastain From Chet Ramey, , the readline maintainer: * display.c: Fix perverse screen refresh with UTF-8. --- readline/ChangeLog.gdb | 5 +++++ readline/display.c | 26 ++++++++++++++------------ 2 files changed, 19 insertions(+), 12 deletions(-) diff --git a/readline/ChangeLog.gdb b/readline/ChangeLog.gdb index 1c2df78f63a..73230181702 100644 --- a/readline/ChangeLog.gdb +++ b/readline/ChangeLog.gdb @@ -1,3 +1,8 @@ +2003-01-09 Michael Chastain + + From Chet Ramey, , the readline maintainer: + * display.c: Fix perverse screen refresh with UTF-8. + 2003-01-08 Chris Demetriou * config.guess: Update to 2003-01-03 version. diff --git a/readline/display.c b/readline/display.c index dec0de3e0d7..e151cf2862b 100644 --- a/readline/display.c +++ b/readline/display.c @@ -74,7 +74,7 @@ static void insert_some_chars PARAMS((char *, int, int)); static void cr PARAMS((void)); #if defined (HANDLE_MULTIBYTE) -static int _rl_col_width PARAMS((char *, int, int)); +static int _rl_col_width PARAMS((const char *, int, int)); static int *_rl_wrapped_line; #else # define _rl_col_width(l, s, e) (((e) <= (s)) ? 0 : (e) - (s)) @@ -1352,9 +1352,9 @@ update_line (old, new, current_line, omax, nmax, inv_botlin) { _rl_output_some_chars (nfd + lendiff, temp - lendiff); #if 0 - _rl_last_c_pos += _rl_col_width (nfd+lendiff, 0, temp-lendiff) - col_lendiff; -#else _rl_last_c_pos += _rl_col_width (nfd+lendiff, 0, temp-col_lendiff); +#else + _rl_last_c_pos += _rl_col_width (nfd+lendiff, 0, temp-lendiff); #endif } } @@ -1514,8 +1514,15 @@ _rl_move_cursor_relative (new, data) #if defined (HANDLE_MULTIBYTE) /* If we have multibyte characters, NEW is indexed by the buffer point in a multibyte string, but _rl_last_c_pos is the display position. In - this case, NEW's display position is not obvious. */ - if ((MB_CUR_MAX == 1 || rl_byte_oriented ) && _rl_last_c_pos == new) return; + this case, NEW's display position is not obvious and must be + calculated. */ + if (MB_CUR_MAX == 1 || rl_byte_oriented) + { + if (_rl_last_c_pos == new) + return; + } + else if (_rl_last_c_pos == _rl_col_width (data, 0, new)) + return; #else if (_rl_last_c_pos == new) return; #endif @@ -1598,11 +1605,7 @@ _rl_move_cursor_relative (new, data) #endif { if (MB_CUR_MAX > 1 && rl_byte_oriented == 0) - { - tputs (_rl_term_cr, 1, _rl_output_character_function); - for (i = 0; i < new; i++) - putc (data[i], rl_outstream); - } + _rl_backspace (_rl_last_c_pos - _rl_col_width (data, 0, new)); else _rl_backspace (_rl_last_c_pos - new); } @@ -2144,7 +2147,7 @@ _rl_current_display_line () scan from the beginning of the string to take the state into account. */ static int _rl_col_width (str, start, end) - char *str; + const char *str; int start, end; { wchar_t wc; @@ -2220,4 +2223,3 @@ _rl_col_width (str, start, end) return width; } #endif /* HANDLE_MULTIBYTE */ - -- 2.30.2