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| author | Robin Haberkorn <robin.haberkorn@googlemail.com> | 2025-05-03 21:07:57 +0300 |
|---|---|---|
| committer | Robin Haberkorn <robin.haberkorn@googlemail.com> | 2025-05-03 21:07:57 +0300 |
| commit | 416451a7445efac4155f45fd68e75e58daffeda6 (patch) | |
| tree | 8bf8634fbf18edd2b2e3438ed7d4fefbd4b45ea6 | |
| parent | 9c2afb86acd2e28bef1767b7333acfb9666ec86b (diff) | |
| download | videoteco-fork-416451a7445efac4155f45fd68e75e58daffeda6.tar.gz | |
escapes and control chars are now also echoed in reverse video
Just like in SciTECO!
| -rw-r--r-- | tecdisp.c | 29 |
1 files changed, 21 insertions, 8 deletions
@@ -2162,11 +2162,12 @@ screen_format_buff_line( struct window *wptr, struct buff_line *lbp ) register struct format_line *sbp; register char *cp; register short *sp; -register unsigned int c; +register unsigned int c,c_data; register int i; int byte_count; int current_column; char *multi_byte_echo; +int multi_byte_echo_reverse; char expand_buffer[MAXOF(32,MAX_TAB_WIDTH+1)]; PREAMBLE(); @@ -2202,6 +2203,7 @@ char expand_buffer[MAXOF(32,MAX_TAB_WIDTH+1)]; c = ' '; current_column = 0; multi_byte_echo = NULL; + multi_byte_echo_reverse = 0; while(byte_count > 0){ @@ -2215,8 +2217,16 @@ char expand_buffer[MAXOF(32,MAX_TAB_WIDTH+1)]; }/* End IF */ if(multi_byte_echo){ + /* + * All multi-byte echos are for Escape ($) or ^x control chars. + * Therefore they can be printed in reverse like in SciTECO. + */ c = *multi_byte_echo++; - if(*multi_byte_echo == '\0') multi_byte_echo = NULL; + if(multi_byte_echo_reverse) c |= SCREEN_M_REVERSE; + if(*multi_byte_echo == '\0'){ + multi_byte_echo = NULL; + multi_byte_echo_reverse = 0; + } }/* End IF */ else { @@ -2224,15 +2234,17 @@ char expand_buffer[MAXOF(32,MAX_TAB_WIDTH+1)]; byte_count -= 1; }/* End Else */ - c &= 0xFF; + /* without possible SCREEN_M_REVERSE flags */ + c_data = c & 0xFF; - switch(c){ + switch(c_data){ case '\t': i = tab_width - ( current_column % tab_width ); multi_byte_echo = tab_expand + MAX_TAB_WIDTH - i; break; case ESCAPE: multi_byte_echo = "$"; + multi_byte_echo_reverse = 1; break; case '\n': @@ -2240,14 +2252,15 @@ char expand_buffer[MAXOF(32,MAX_TAB_WIDTH+1)]; current_column = 0; break; default: - if(c < ' '){ + if(c_data < ' '){ if( hide_cr_flag ){ expand_buffer[0] = ' '; expand_buffer[1] = '\0'; } else { expand_buffer[0] = '^'; - expand_buffer[1] = c + 'A' - 1; + expand_buffer[1] = c_data + 'A' - 1; expand_buffer[2] = '\0'; + multi_byte_echo_reverse = 1; } multi_byte_echo = expand_buffer; continue; @@ -2257,8 +2270,8 @@ char expand_buffer[MAXOF(32,MAX_TAB_WIDTH+1)]; * or as '.' if it is a non-printable character. We display it reverse video * if the terminal is not a brain damaged 'magic cookie' terminal. */ - if(eight_bit_output_flag == NO && c >= 128){ - c -= 128; + if(eight_bit_output_flag == NO && c_data >= 128){ + c = c_data - 128; if(isprint(c)) c |= SCREEN_M_REVERSE; else c = '.' | SCREEN_M_REVERSE; #ifdef TERMCAP |