diff options
Diffstat (limited to 'cmd-line-utils/libedit/refresh.c')
| -rw-r--r-- | cmd-line-utils/libedit/refresh.c | 470 |
1 files changed, 257 insertions, 213 deletions
diff --git a/cmd-line-utils/libedit/refresh.c b/cmd-line-utils/libedit/refresh.c index 5edd1fe78fc..64057eaabfe 100644 --- a/cmd-line-utils/libedit/refresh.c +++ b/cmd-line-utils/libedit/refresh.c @@ -1,4 +1,4 @@ -/* $NetBSD: refresh.c,v 1.28 2008/09/10 15:45:37 christos Exp $ */ +/* $NetBSD: refresh.c,v 1.37 2011/07/29 23:44:45 christos Exp $ */ /*- * Copyright (c) 1992, 1993 @@ -50,14 +50,15 @@ static char sccsid[] = "@(#)refresh.c 8.1 (Berkeley) 6/4/93"; #include "el.h" -private void re_addc(EditLine *, int); -private void re_update_line(EditLine *, char *, char *, int); -private void re_insert (EditLine *, char *, int, int, char *, int); -private void re_delete(EditLine *, char *, int, int, int); -private void re_fastputc(EditLine *, int); +private void re_nextline(EditLine *); +private void re_addc(EditLine *, Int); +private void re_update_line(EditLine *, Char *, Char *, int); +private void re_insert (EditLine *, Char *, int, int, Char *, int); +private void re_delete(EditLine *, Char *, int, int, int); +private void re_fastputc(EditLine *, Int); private void re_clear_eol(EditLine *, int, int, int); -private void re__strncopy(char *, char *, size_t); -private void re__copy_and_pad(char *, const char *, size_t); +private void re__strncopy(Char *, Char *, size_t); +private void re__copy_and_pad(Char *, const Char *, size_t); #ifdef DEBUG_REFRESH private void re_printstr(EditLine *, const char *, char *, char *); @@ -87,45 +88,70 @@ re_printstr(EditLine *el, const char *str, char *f, char *t) #define ELRE_DEBUG(a, b) #endif +/* re_nextline(): + * Move to the next line or scroll + */ +private void +re_nextline(EditLine *el) +{ + el->el_refresh.r_cursor.h = 0; /* reset it. */ + + /* + * If we would overflow (input is longer than terminal size), + * emulate scroll by dropping first line and shuffling the rest. + * We do this via pointer shuffling - it's safe in this case + * and we avoid memcpy(). + */ + if (el->el_refresh.r_cursor.v + 1 >= el->el_terminal.t_size.v) { + int i, lins = el->el_terminal.t_size.v; + Char *firstline = el->el_vdisplay[0]; + + for(i = 1; i < lins; i++) + el->el_vdisplay[i - 1] = el->el_vdisplay[i]; + + firstline[0] = '\0'; /* empty the string */ + el->el_vdisplay[i - 1] = firstline; + } else + el->el_refresh.r_cursor.v++; + + ELRE_ASSERT(el->el_refresh.r_cursor.v >= el->el_terminal.t_size.v, + (__F, "\r\nre_putc: overflow! r_cursor.v == %d > %d\r\n", + el->el_refresh.r_cursor.v, el->el_terminal.t_size.v), + abort()); +} /* re_addc(): * Draw c, expanding tabs, control chars etc. */ private void -re_addc(EditLine *el, int c) +re_addc(EditLine *el, Int c) { - - if (el_isprint(c)) { - re_putc(el, c, 1); - return; - } - if (c == '\n') { /* expand the newline */ - int oldv = el->el_refresh.r_cursor.v; - re_putc(el, '\0', 0); /* assure end of line */ - if (oldv == el->el_refresh.r_cursor.v) { /* XXX */ - el->el_refresh.r_cursor.h = 0; /* reset cursor pos */ - el->el_refresh.r_cursor.v++; - } - return; - } - if (c == '\t') { /* expand the tab */ + switch (ct_chr_class((Char)c)) { + case CHTYPE_TAB: /* expand the tab */ for (;;) { re_putc(el, ' ', 1); if ((el->el_refresh.r_cursor.h & 07) == 0) break; /* go until tab stop */ } - } else if (iscntrl(c)) { - re_putc(el, '^', 1); - if (c == '\177') - re_putc(el, '?', 1); - else - /* uncontrolify it; works only for iso8859-1 like sets */ - re_putc(el, (c | 0100), 1); - } else { - re_putc(el, '\\', 1); - re_putc(el, (int) ((((unsigned int) c >> 6) & 07) + '0'), 1); - re_putc(el, (int) ((((unsigned int) c >> 3) & 07) + '0'), 1); - re_putc(el, (c & 07) + '0', 1); + break; + case CHTYPE_NL: { + int oldv = el->el_refresh.r_cursor.v; + re_putc(el, '\0', 0); /* assure end of line */ + if (oldv == el->el_refresh.r_cursor.v) /* XXX */ + re_nextline(el); + break; + } + case CHTYPE_PRINT: + re_putc(el, c, 1); + break; + default: { + Char visbuf[VISUAL_WIDTH_MAX]; + ssize_t i, n = + ct_visual_char(visbuf, VISUAL_WIDTH_MAX, (Char)c); + for (i = 0; n-- > 0; ++i) + re_putc(el, visbuf[i], 1); + break; + } } } @@ -134,43 +160,31 @@ re_addc(EditLine *el, int c) * Draw the character given */ protected void -re_putc(EditLine *el, int c, int shift) +re_putc(EditLine *el, Int c, int shift) { + int i, w = Width(c); + ELRE_DEBUG(1, (__F, "printing %5x '%c'\r\n", c, c)); + + while (shift && (el->el_refresh.r_cursor.h + w > el->el_terminal.t_size.h)) + re_putc(el, ' ', 1); - ELRE_DEBUG(1, (__F, "printing %3.3o '%c'\r\n", c, c)); + el->el_vdisplay[el->el_refresh.r_cursor.v] + [el->el_refresh.r_cursor.h] = c; + /* assumes !shift is only used for single-column chars */ + i = w; + while (--i > 0) + el->el_vdisplay[el->el_refresh.r_cursor.v] + [el->el_refresh.r_cursor.h + i] = MB_FILL_CHAR; - el->el_vdisplay[el->el_refresh.r_cursor.v][el->el_refresh.r_cursor.h] = c; if (!shift) return; - el->el_refresh.r_cursor.h++; /* advance to next place */ - if (el->el_refresh.r_cursor.h >= el->el_term.t_size.h) { - el->el_vdisplay[el->el_refresh.r_cursor.v][el->el_term.t_size.h] = '\0'; + el->el_refresh.r_cursor.h += w; /* advance to next place */ + if (el->el_refresh.r_cursor.h >= el->el_terminal.t_size.h) { /* assure end of line */ - el->el_refresh.r_cursor.h = 0; /* reset it. */ - - /* - * If we would overflow (input is longer than terminal size), - * emulate scroll by dropping first line and shuffling the rest. - * We do this via pointer shuffling - it's safe in this case - * and we avoid memcpy(). - */ - if (el->el_refresh.r_cursor.v + 1 >= el->el_term.t_size.v) { - int i, lins = el->el_term.t_size.v; - char *firstline = el->el_vdisplay[0]; - - for(i=1; i < lins; i++) - el->el_vdisplay[i-1] = el->el_vdisplay[i]; - - firstline[0] = '\0'; /* empty the string */ - el->el_vdisplay[i-1] = firstline; - } else - el->el_refresh.r_cursor.v++; - - ELRE_ASSERT(el->el_refresh.r_cursor.v >= el->el_term.t_size.v, - (__F, "\r\nre_putc: overflow! r_cursor.v == %d > %d\r\n", - el->el_refresh.r_cursor.v, el->el_term.t_size.v), - abort()); + el->el_vdisplay[el->el_refresh.r_cursor.v][el->el_terminal.t_size.h] + = '\0'; + re_nextline(el); } } @@ -185,7 +199,7 @@ protected void re_refresh(EditLine *el) { int i, rhdiff; - char *cp, *st; + Char *cp, *st; coord_t cur; #ifdef notyet size_t termsz; @@ -220,7 +234,7 @@ re_refresh(EditLine *el) /* draw the current input buffer */ #if notyet - termsz = el->el_term.t_size.h * el->el_term.t_size.v; + termsz = el->el_terminal.t_size.h * el->el_terminal.t_size.v; if (el->el_line.lastchar - el->el_line.buffer > termsz) { /* * If line is longer than terminal, process only part @@ -229,26 +243,33 @@ re_refresh(EditLine *el) size_t rem = (el->el_line.lastchar-el->el_line.buffer)%termsz; st = el->el_line.lastchar - rem - - (termsz - (((rem / el->el_term.t_size.v) - 1) - * el->el_term.t_size.v)); + - (termsz - (((rem / el->el_terminal.t_size.v) - 1) + * el->el_terminal.t_size.v)); } else #endif st = el->el_line.buffer; for (cp = st; cp < el->el_line.lastchar; cp++) { if (cp == el->el_line.cursor) { + int w = Width(*cp); /* save for later */ cur.h = el->el_refresh.r_cursor.h; cur.v = el->el_refresh.r_cursor.v; + /* handle being at a linebroken doublewidth char */ + if (w > 1 && el->el_refresh.r_cursor.h + w > + el->el_terminal.t_size.h) { + cur.h = 0; + cur.v++; + } } - re_addc(el, (unsigned char) *cp); + re_addc(el, *cp); } if (cur.h == -1) { /* if I haven't been set yet, I'm at the end */ cur.h = el->el_refresh.r_cursor.h; cur.v = el->el_refresh.r_cursor.v; } - rhdiff = el->el_term.t_size.h - el->el_refresh.r_cursor.h - + rhdiff = el->el_terminal.t_size.h - el->el_refresh.r_cursor.h - el->el_rprompt.p_pos.h; if (el->el_rprompt.p_pos.h && !el->el_rprompt.p_pos.v && !el->el_refresh.r_cursor.v && rhdiff > 1) { @@ -271,8 +292,8 @@ re_refresh(EditLine *el) ELRE_DEBUG(1, (__F, "term.h=%d vcur.h=%d vcur.v=%d vdisplay[0]=\r\n:%80.80s:\r\n", - el->el_term.t_size.h, el->el_refresh.r_cursor.h, - el->el_refresh.r_cursor.v, el->el_vdisplay[0])); + el->el_terminal.t_size.h, el->el_refresh.r_cursor.h, + el->el_refresh.r_cursor.v, ct_encode_string(el->el_vdisplay[0]))); ELRE_DEBUG(1, (__F, "updating %d lines.\r\n", el->el_refresh.r_newcv)); for (i = 0; i <= el->el_refresh.r_newcv; i++) { @@ -287,7 +308,7 @@ re_refresh(EditLine *el) * leftover stuff. */ re__copy_and_pad(el->el_display[i], el->el_vdisplay[i], - (size_t) el->el_term.t_size.h); + (size_t) el->el_terminal.t_size.h); } ELRE_DEBUG(1, (__F, "\r\nel->el_refresh.r_cursor.v=%d,el->el_refresh.r_oldcv=%d i=%d\r\n", @@ -295,11 +316,12 @@ re_refresh(EditLine *el) if (el->el_refresh.r_oldcv > el->el_refresh.r_newcv) for (; i <= el->el_refresh.r_oldcv; i++) { - term_move_to_line(el, i); - term_move_to_char(el, 0); - term_clear_EOL(el, (int) strlen(el->el_display[i])); + terminal_move_to_line(el, i); + terminal_move_to_char(el, 0); + /* This Strlen should be safe even with MB_FILL_CHARs */ + terminal_clear_EOL(el, (int) Strlen(el->el_display[i])); #ifdef DEBUG_REFRESH - term_overwrite(el, "C\b", 2); + terminal_overwrite(el, "C\b", (size_t)2); #endif /* DEBUG_REFRESH */ el->el_display[i][0] = '\0'; } @@ -309,8 +331,8 @@ re_refresh(EditLine *el) "\r\ncursor.h = %d, cursor.v = %d, cur.h = %d, cur.v = %d\r\n", el->el_refresh.r_cursor.h, el->el_refresh.r_cursor.v, cur.h, cur.v)); - term_move_to_line(el, cur.v); /* go to where the cursor is */ - term_move_to_char(el, cur.h); + terminal_move_to_line(el, cur.v); /* go to where the cursor is */ + terminal_move_to_char(el, cur.h); } @@ -321,10 +343,10 @@ protected void re_goto_bottom(EditLine *el) { - term_move_to_line(el, el->el_refresh.r_oldcv); - term__putc(el, '\n'); + terminal_move_to_line(el, el->el_refresh.r_oldcv); + terminal__putc(el, '\n'); re_clear_display(el); - term__flush(el); + terminal__flush(el); } @@ -335,9 +357,9 @@ re_goto_bottom(EditLine *el) private void /*ARGSUSED*/ re_insert(EditLine *el __attribute__((__unused__)), - char *d, int dat, int dlen, char *s, int num) + Char *d, int dat, int dlen, Char *s, int num) { - char *a, *b; + Char *a, *b; if (num <= 0) return; @@ -346,8 +368,8 @@ re_insert(EditLine *el __attribute__((__unused__)), ELRE_DEBUG(1, (__F, "re_insert() starting: %d at %d max %d, d == \"%s\"\n", - num, dat, dlen, d)); - ELRE_DEBUG(1, (__F, "s == \"%s\"\n", s)); + num, dat, dlen, ct_encode_string(d))); + ELRE_DEBUG(1, (__F, "s == \"%s\"\n", ct_encode_string(s))); /* open up the space for num chars */ if (num > 0) { @@ -357,19 +379,24 @@ re_insert(EditLine *el __attribute__((__unused__)), *b-- = *a--; d[dlen] = '\0'; /* just in case */ } + ELRE_DEBUG(1, (__F, "re_insert() after insert: %d at %d max %d, d == \"%s\"\n", - num, dat, dlen, d)); - ELRE_DEBUG(1, (__F, "s == \"%s\"\n", s)); + num, dat, dlen, ct_encode_string(d))); + ELRE_DEBUG(1, (__F, "s == \"%s\"\n", ct_encode_string(s))); /* copy the characters */ for (a = d + dat; (a < d + dlen) && (num > 0); num--) *a++ = *s++; +#ifdef notyet + /* ct_encode_string() uses a static buffer, so we can't conveniently + * encode both d & s here */ ELRE_DEBUG(1, (__F, "re_insert() after copy: %d at %d max %d, %s == \"%s\"\n", num, dat, dlen, d, s)); ELRE_DEBUG(1, (__F, "s == \"%s\"\n", s)); +#endif } @@ -379,9 +406,9 @@ re_insert(EditLine *el __attribute__((__unused__)), private void /*ARGSUSED*/ re_delete(EditLine *el __attribute__((__unused__)), - char *d, int dat, int dlen, int num) + Char *d, int dat, int dlen, int num) { - char *a, *b; + Char *a, *b; if (num <= 0) return; @@ -391,7 +418,7 @@ re_delete(EditLine *el __attribute__((__unused__)), } ELRE_DEBUG(1, (__F, "re_delete() starting: %d at %d max %d, d == \"%s\"\n", - num, dat, dlen, d)); + num, dat, dlen, ct_encode_string(d))); /* open up the space for num chars */ if (num > 0) { @@ -403,7 +430,7 @@ re_delete(EditLine *el __attribute__((__unused__)), } ELRE_DEBUG(1, (__F, "re_delete() after delete: %d at %d max %d, d == \"%s\"\n", - num, dat, dlen, d)); + num, dat, dlen, ct_encode_string(d))); } @@ -411,7 +438,7 @@ re_delete(EditLine *el __attribute__((__unused__)), * Like strncpy without padding. */ private void -re__strncopy(char *a, char *b, size_t n) +re__strncopy(Char *a, Char *b, size_t n) { while (n-- && *b) @@ -422,7 +449,7 @@ re__strncopy(char *a, char *b, size_t n) * Find the number of characters we need to clear till the end of line * in order to make sure that we have cleared the previous contents of * the line. fx and sx is the number of characters inserted or deleted - * int the first or second diff, diff is the difference between the + * in the first or second diff, diff is the difference between the * number of characters between the new and old line. */ private void @@ -442,7 +469,7 @@ re_clear_eol(EditLine *el, int fx, int sx, int diff) diff = sx; ELRE_DEBUG(1, (__F, "re_clear_eol %d\n", diff)); - term_clear_EOL(el, diff); + terminal_clear_EOL(el, diff); } /***************************************************************** @@ -470,12 +497,13 @@ new: eddie> Oh, my little buggy says to me, as lurgid as #define MIN_END_KEEP 4 private void -re_update_line(EditLine *el, char *old, char *new, int i) +re_update_line(EditLine *el, Char *old, Char *new, int i) { - char *o, *n, *p, c; - char *ofd, *ols, *oe, *nfd, *nls, *ne; - char *osb, *ose, *nsb, *nse; + Char *o, *n, *p, c; + Char *ofd, *ols, *oe, *nfd, *nls, *ne; + Char *osb, *ose, *nsb, *nse; int fx, sx; + size_t len; /* * find first diff @@ -602,12 +630,12 @@ re_update_line(EditLine *el, char *old, char *new, int i) * fx is the number of characters we need to insert/delete: in the * beginning to bring the two same begins together */ - fx = (nsb - nfd) - (osb - ofd); + fx = (int)((nsb - nfd) - (osb - ofd)); /* * sx is the number of characters we need to insert/delete: in the * end to bring the two same last parts together */ - sx = (nls - nse) - (ols - ose); + sx = (int)((nls - nse) - (ols - ose)); if (!EL_CAN_INSERT) { if (fx > 0) { @@ -656,8 +684,8 @@ re_update_line(EditLine *el, char *old, char *new, int i) /* * Now that we are done with pragmatics we recompute fx, sx */ - fx = (nsb - nfd) - (osb - ofd); - sx = (nls - nse) - (ols - ose); + fx = (int)((nsb - nfd) - (osb - ofd)); + sx = (int)((nls - nse) - (ols - ose)); ELRE_DEBUG(1, (__F, "fx %d, sx %d\n", fx, sx)); ELRE_DEBUG(1, (__F, "ofd %d, osb %d, ose %d, ols %d, oe %d\n", @@ -688,7 +716,7 @@ re_update_line(EditLine *el, char *old, char *new, int i) * don't have to change the line, we don't move to it. el_cursor.h to * first diff char */ - term_move_to_line(el, i); + terminal_move_to_line(el, i); /* * at this point we have something like this: @@ -712,7 +740,7 @@ re_update_line(EditLine *el, char *old, char *new, int i) * if we have a net insert on the first difference, AND inserting the * net amount ((nsb-nfd) - (osb-ofd)) won't push the last useful * character (which is ne if nls != ne, otherwise is nse) off the edge - * of the screen (el->el_term.t_size.h) else we do the deletes first + * of the screen (el->el_terminal.t_size.h) else we do the deletes first * so that we keep everything we need to. */ @@ -734,13 +762,13 @@ re_update_line(EditLine *el, char *old, char *new, int i) * No insert or delete */ if ((nsb != nfd) && fx > 0 && - ((p - old) + fx <= el->el_term.t_size.h)) { + ((p - old) + fx <= el->el_terminal.t_size.h)) { ELRE_DEBUG(1, (__F, "first diff insert at %d...\r\n", nfd - new)); /* * Move to the first char to insert, where the first diff is. */ - term_move_to_char(el, nfd - new); + terminal_move_to_char(el, (int)(nfd - new)); /* * Check if we have stuff to keep at end */ @@ -752,21 +780,22 @@ re_update_line(EditLine *el, char *old, char *new, int i) if (fx > 0) { ELRE_DEBUG(!EL_CAN_INSERT, (__F, "ERROR: cannot insert in early first diff\n")); - term_insertwrite(el, nfd, fx); - re_insert(el, old, ofd - old, - el->el_term.t_size.h, nfd, fx); + terminal_insertwrite(el, nfd, fx); + re_insert(el, old, (int)(ofd - old), + el->el_terminal.t_size.h, nfd, fx); } /* * write (nsb-nfd) - fx chars of new starting at * (nfd + fx) */ - term_overwrite(el, nfd + fx, (nsb - nfd) - fx); - re__strncopy(ofd + fx, nfd + fx, - (size_t) ((nsb - nfd) - fx)); + len = (size_t) ((nsb - nfd) - fx); + terminal_overwrite(el, (nfd + fx), len); + re__strncopy(ofd + fx, nfd + fx, len); } else { ELRE_DEBUG(1, (__F, "without anything to save\r\n")); - term_overwrite(el, nfd, (nsb - nfd)); - re__strncopy(ofd, nfd, (size_t) (nsb - nfd)); + len = (size_t)(nsb - nfd); + terminal_overwrite(el, nfd, len); + re__strncopy(ofd, nfd, len); /* * Done */ @@ -778,7 +807,7 @@ re_update_line(EditLine *el, char *old, char *new, int i) /* * move to the first char to delete where the first diff is */ - term_move_to_char(el, ofd - old); + terminal_move_to_char(el, (int)(ofd - old)); /* * Check if we have stuff to save */ @@ -791,15 +820,16 @@ re_update_line(EditLine *el, char *old, char *new, int i) if (fx < 0) { ELRE_DEBUG(!EL_CAN_DELETE, (__F, "ERROR: cannot delete in first diff\n")); - term_deletechars(el, -fx); - re_delete(el, old, ofd - old, - el->el_term.t_size.h, -fx); + terminal_deletechars(el, -fx); + re_delete(el, old, (int)(ofd - old), + el->el_terminal.t_size.h, -fx); } /* * write (nsb-nfd) chars of new starting at nfd */ - term_overwrite(el, nfd, (nsb - nfd)); - re__strncopy(ofd, nfd, (size_t) (nsb - nfd)); + len = (size_t) (nsb - nfd); + terminal_overwrite(el, nfd, len); + re__strncopy(ofd, nfd, len); } else { ELRE_DEBUG(1, (__F, @@ -807,8 +837,9 @@ re_update_line(EditLine *el, char *old, char *new, int i) /* * write (nsb-nfd) chars of new starting at nfd */ - term_overwrite(el, nfd, (nsb - nfd)); - re_clear_eol(el, fx, sx, (oe - old) - (ne - new)); + terminal_overwrite(el, nfd, (size_t)(nsb - nfd)); + re_clear_eol(el, fx, sx, + (int)((oe - old) - (ne - new))); /* * Done */ @@ -817,7 +848,7 @@ re_update_line(EditLine *el, char *old, char *new, int i) } else fx = 0; - if (sx < 0 && (ose - old) + fx < el->el_term.t_size.h) { + if (sx < 0 && (ose - old) + fx < el->el_terminal.t_size.h) { ELRE_DEBUG(1, (__F, "second diff delete at %d...\r\n", (ose - old) + fx)); /* @@ -827,7 +858,7 @@ re_update_line(EditLine *el, char *old, char *new, int i) * fx is the number of characters inserted (+) or deleted (-) */ - term_move_to_char(el, (ose - old) + fx); + terminal_move_to_char(el, (int)((ose - old) + fx)); /* * Check if we have stuff to save */ @@ -839,17 +870,18 @@ re_update_line(EditLine *el, char *old, char *new, int i) if (sx < 0) { ELRE_DEBUG(!EL_CAN_DELETE, (__F, "ERROR: cannot delete in second diff\n")); - term_deletechars(el, -sx); + terminal_deletechars(el, -sx); } /* * write (nls-nse) chars of new starting at nse */ - term_overwrite(el, nse, (nls - nse)); + terminal_overwrite(el, nse, (size_t)(nls - nse)); } else { ELRE_DEBUG(1, (__F, "but with nothing left to save\r\n")); - term_overwrite(el, nse, (nls - nse)); - re_clear_eol(el, fx, sx, (oe - old) - (ne - new)); + terminal_overwrite(el, nse, (size_t)(nls - nse)); + re_clear_eol(el, fx, sx, + (int)((oe - old) - (ne - new))); } } /* @@ -859,7 +891,7 @@ re_update_line(EditLine *el, char *old, char *new, int i) ELRE_DEBUG(1, (__F, "late first diff insert at %d...\r\n", nfd - new)); - term_move_to_char(el, nfd - new); + terminal_move_to_char(el, (int)(nfd - new)); /* * Check if we have stuff to keep at the end */ @@ -870,28 +902,29 @@ re_update_line(EditLine *el, char *old, char *new, int i) * to zero above as a flag saying that we hadn't done * an early first insert. */ - fx = (nsb - nfd) - (osb - ofd); + fx = (int)((nsb - nfd) - (osb - ofd)); if (fx > 0) { /* * insert fx chars of new starting at nfd */ ELRE_DEBUG(!EL_CAN_INSERT, (__F, "ERROR: cannot insert in late first diff\n")); - term_insertwrite(el, nfd, fx); - re_insert(el, old, ofd - old, - el->el_term.t_size.h, nfd, fx); + terminal_insertwrite(el, nfd, fx); + re_insert(el, old, (int)(ofd - old), + el->el_terminal.t_size.h, nfd, fx); } /* * write (nsb-nfd) - fx chars of new starting at * (nfd + fx) */ - term_overwrite(el, nfd + fx, (nsb - nfd) - fx); - re__strncopy(ofd + fx, nfd + fx, - (size_t) ((nsb - nfd) - fx)); + len = (size_t) ((nsb - nfd) - fx); + terminal_overwrite(el, (nfd + fx), len); + re__strncopy(ofd + fx, nfd + fx, len); } else { ELRE_DEBUG(1, (__F, "without anything to save\r\n")); - term_overwrite(el, nfd, (nsb - nfd)); - re__strncopy(ofd, nfd, (size_t) (nsb - nfd)); + len = (size_t) (nsb - nfd); + terminal_overwrite(el, nfd, len); + re__strncopy(ofd, nfd, len); } } /* @@ -899,24 +932,25 @@ re_update_line(EditLine *el, char *old, char *new, int i) */ if (sx >= 0) { ELRE_DEBUG(1, (__F, - "second diff insert at %d...\r\n", nse - new)); - term_move_to_char(el, nse - new); + "second diff insert at %d...\r\n", (int)(nse - new))); + terminal_move_to_char(el, (int)(nse - new)); if (ols != oe) { ELRE_DEBUG(1, (__F, "with stuff to keep at end\r\n")); if (sx > 0) { /* insert sx chars of new starting at nse */ ELRE_DEBUG(!EL_CAN_INSERT, (__F, "ERROR: cannot insert in second diff\n")); - term_insertwrite(el, nse, sx); + terminal_insertwrite(el, nse, sx); } /* * write (nls-nse) - sx chars of new starting at * (nse + sx) */ - term_overwrite(el, nse + sx, (nls - nse) - sx); + terminal_overwrite(el, (nse + sx), + (size_t)((nls - nse) - sx)); } else { ELRE_DEBUG(1, (__F, "without anything to save\r\n")); - term_overwrite(el, nse, (nls - nse)); + terminal_overwrite(el, nse, (size_t)(nls - nse)); /* * No need to do a clear-to-end here because we were @@ -933,7 +967,7 @@ re_update_line(EditLine *el, char *old, char *new, int i) * Copy string and pad with spaces */ private void -re__copy_and_pad(char *dst, const char *src, size_t width) +re__copy_and_pad(Char *dst, const Char *src, size_t width) { size_t i; @@ -956,8 +990,8 @@ re__copy_and_pad(char *dst, const char *src, size_t width) protected void re_refresh_cursor(EditLine *el) { - char *cp, c; - int h, v, th; + Char *cp; + int h, v, th, w; if (el->el_line.cursor >= el->el_line.lastchar) { if (el->el_map.current == el->el_map.alt @@ -970,47 +1004,46 @@ re_refresh_cursor(EditLine *el) /* first we must find where the cursor is... */ h = el->el_prompt.p_pos.h; v = el->el_prompt.p_pos.v; - th = el->el_term.t_size.h; /* optimize for speed */ + th = el->el_terminal.t_size.h; /* optimize for speed */ /* do input buffer to el->el_line.cursor */ for (cp = el->el_line.buffer; cp < el->el_line.cursor; cp++) { - c = *cp; - h++; /* all chars at least this long */ - - if (c == '\n') {/* handle newline in data part too */ + switch (ct_chr_class(*cp)) { + case CHTYPE_NL: /* handle newline in data part too */ h = 0; v++; - } else { - if (c == '\t') { /* if a tab, to next tab stop */ - while (h & 07) { - h++; - } - } else if (iscntrl((unsigned char) c)) { - /* if control char */ - h++; - if (h > th) { /* if overflow, compensate */ - h = 1; - v++; - } - } else if (!el_isprint((unsigned char) c)) { - h += 3; - if (h > th) { /* if overflow, compensate */ - h = h - th; - v++; - } + break; + case CHTYPE_TAB: /* if a tab, to next tab stop */ + while (++h & 07) + continue; + break; + default: + w = Width(*cp); + if (w > 1 && h + w > th) { /* won't fit on line */ + h = 0; + v++; } - } + h += ct_visual_width(*cp); + break; + } if (h >= th) { /* check, extra long tabs picked up here also */ - h = 0; + h -= th; v++; } } + /* if we have a next character, and it's a doublewidth one, we need to + * check whether we need to linebreak for it to fit */ + if (cp < el->el_line.lastchar && (w = Width(*cp)) > 1) + if (h + w > th) { + h = 0; + v++; + } /* now go there */ - term_move_to_line(el, v); - term_move_to_char(el, h); - term__flush(el); + terminal_move_to_line(el, v); + terminal_move_to_char(el, h); + terminal__flush(el); } @@ -1018,12 +1051,19 @@ re_refresh_cursor(EditLine *el) * Add a character fast. */ private void -re_fastputc(EditLine *el, int c) +re_fastputc(EditLine *el, Int c) { + int w = Width((Char)c); + while (w > 1 && el->el_cursor.h + w > el->el_terminal.t_size.h) + re_fastputc(el, ' '); - term__putc(el, c); + terminal__putc(el, c); el->el_display[el->el_cursor.v][el->el_cursor.h++] = c; - if (el->el_cursor.h >= el->el_term.t_size.h) { + while (--w > 0) + el->el_display[el->el_cursor.v][el->el_cursor.h++] + = MB_FILL_CHAR; + + if (el->el_cursor.h >= el->el_terminal.t_size.h) { /* if we must overflow */ el->el_cursor.h = 0; @@ -1033,27 +1073,27 @@ re_fastputc(EditLine *el, int c) * We do this via pointer shuffling - it's safe in this case * and we avoid memcpy(). */ - if (el->el_cursor.v + 1 >= el->el_term.t_size.v) { - int i, lins = el->el_term.t_size.v; - char *firstline = el->el_display[0]; + if (el->el_cursor.v + 1 >= el->el_terminal.t_size.v) { + int i, lins = el->el_terminal.t_size.v; + Char *firstline = el->el_display[0]; - for(i=1; i < lins; i++) - el->el_display[i-1] = el->el_display[i]; + for(i = 1; i < lins; i++) + el->el_display[i - 1] = el->el_display[i]; - re__copy_and_pad(firstline, "", 0); - el->el_display[i-1] = firstline; + re__copy_and_pad(firstline, STR(""), (size_t)0); + el->el_display[i - 1] = firstline; } else { el->el_cursor.v++; el->el_refresh.r_oldcv++; } if (EL_HAS_AUTO_MARGINS) { if (EL_HAS_MAGIC_MARGINS) { - term__putc(el, ' '); - term__putc(el, '\b'); + terminal__putc(el, ' '); + terminal__putc(el, '\b'); } } else { - term__putc(el, '\r'); - term__putc(el, '\n'); + terminal__putc(el, '\r'); + terminal__putc(el, '\n'); } } } @@ -1066,7 +1106,7 @@ re_fastputc(EditLine *el, int c) protected void re_fastaddc(EditLine *el) { - char c; + Char c; int rhdiff; c = el->el_line.cursor[-1]; @@ -1075,25 +1115,30 @@ re_fastaddc(EditLine *el) re_refresh(el); /* too hard to handle */ return; } - rhdiff = el->el_term.t_size.h - el->el_cursor.h - + rhdiff = el->el_terminal.t_size.h - el->el_cursor.h - el->el_rprompt.p_pos.h; if (el->el_rprompt.p_pos.h && rhdiff < 3) { re_refresh(el); /* clear out rprompt if less than 1 char gap */ return; } /* else (only do at end of line, no TAB) */ - if (iscntrl((unsigned char) c)) { /* if control char, do caret */ - char mc = (c == '\177') ? '?' : (c | 0100); - re_fastputc(el, '^'); - re_fastputc(el, mc); - } else if (el_isprint((unsigned char) c)) { /* normal char */ + switch (ct_chr_class(c)) { + case CHTYPE_TAB: /* already handled, should never happen here */ + break; + case CHTYPE_NL: + case CHTYPE_PRINT: re_fastputc(el, c); - } else { - re_fastputc(el, '\\'); - re_fastputc(el, (int)(((((unsigned int)c) >> 6) & 3) + '0')); - re_fastputc(el, (int)(((((unsigned int)c) >> 3) & 7) + '0')); - re_fastputc(el, (c & 7) + '0'); + break; + case CHTYPE_ASCIICTL: + case CHTYPE_NONPRINT: { + Char visbuf[VISUAL_WIDTH_MAX]; + ssize_t i, n = + ct_visual_char(visbuf, VISUAL_WIDTH_MAX, (Char)c); + for (i = 0; n-- > 0; ++i) + re_fastputc(el, visbuf[i]); + break; + } } - term__flush(el); + terminal__flush(el); } @@ -1107,7 +1152,7 @@ re_clear_display(EditLine *el) el->el_cursor.v = 0; el->el_cursor.h = 0; - for (i = 0; i < el->el_term.t_size.v; i++) + for (i = 0; i < el->el_terminal.t_size.v; i++) el->el_display[i][0] = '\0'; el->el_refresh.r_oldcv = 0; } @@ -1122,17 +1167,16 @@ re_clear_lines(EditLine *el) if (EL_CAN_CEOL) { int i; - term_move_to_char(el, 0); - for (i = 0; i <= el->el_refresh.r_oldcv; i++) { + for (i = el->el_refresh.r_oldcv; i >= 0; i--) { /* for each line on the screen */ - term_move_to_line(el, i); - term_clear_EOL(el, el->el_term.t_size.h); + terminal_move_to_line(el, i); + terminal_move_to_char(el, 0); + terminal_clear_EOL(el, el->el_terminal.t_size.h); } - term_move_to_line(el, 0); } else { - term_move_to_line(el, el->el_refresh.r_oldcv); + terminal_move_to_line(el, el->el_refresh.r_oldcv); /* go to last line */ - term__putc(el, '\r'); /* go to BOL */ - term__putc(el, '\n'); /* go to new line */ + terminal__putc(el, '\r'); /* go to BOL */ + terminal__putc(el, '\n'); /* go to new line */ } } |