diff options
Diffstat (limited to 'st.c')
| -rw-r--r-- | st.c | 651 |
1 files changed, 185 insertions, 466 deletions
@@ -16,8 +16,6 @@ #include <termios.h> #include <unistd.h> #include <wchar.h> -#include <X11/keysym.h> -#include <X11/X.h> #include "st.h" #include "win.h" @@ -37,7 +35,6 @@ #define ESC_ARG_SIZ 16 #define STR_BUF_SIZ ESC_BUF_SIZ #define STR_ARG_SIZ ESC_ARG_SIZ -#define HISTSIZE 2000 /* macros */ #define IS_SET(flag) ((term.mode & (flag)) != 0) @@ -45,10 +42,6 @@ #define ISCONTROLC1(c) (BETWEEN(c, 0x80, 0x9f)) #define ISCONTROL(c) (ISCONTROLC0(c) || ISCONTROLC1(c)) #define ISDELIM(u) (u && wcschr(worddelimiters, u)) -#define TLINE(y) ((y) < term.scr ? term.hist[((y) + term.histi - \ - term.scr + HISTSIZE + 1) % HISTSIZE] : \ - term.line[(y) - term.scr]) -#define TLINE_HIST(y) ((y) <= HISTSIZE-term.row+2 ? term.hist[(y)] : term.line[(y-HISTSIZE+term.row-3)]) enum term_mode { MODE_WRAP = 1 << 0, @@ -122,9 +115,6 @@ typedef struct { int col; /* nb col */ Line *line; /* screen */ Line *alt; /* alternate screen */ - Line hist[HISTSIZE]; /* history buffer */ - int histi; /* history index */ - int scr; /* scroll back */ int *dirty; /* dirtyness of lines */ TCursor c; /* cursor */ int ocx; /* old cursor col */ @@ -171,6 +161,7 @@ static void csidump(void); static void csihandle(void); static void csiparse(void); static void csireset(void); +static void osc_color_response(int, int, int); static int eschandle(uchar); static void strdump(void); static void strhandle(void); @@ -194,20 +185,20 @@ static void tnewline(int); static void tputtab(int); static void tputc(Rune); static void treset(void); -static void tscrollup(int, int, int); -static void tscrolldown(int, int, int); -static void tsetattr(int *, int); -static void tsetchar(Rune, Glyph *, int, int); +static void tscrollup(int, int); +static void tscrolldown(int, int); +static void tsetattr(const int *, int); +static void tsetchar(Rune, const Glyph *, int, int); static void tsetdirt(int, int); static void tsetscroll(int, int); static void tswapscreen(void); -static void tsetmode(int, int, int *, int); +static void tsetmode(int, int, const int *, int); static int twrite(const char *, int, int); static void tfulldirt(void); static void tcontrolcode(uchar ); static void tdectest(char ); static void tdefutf8(char); -static int32_t tdefcolor(int *, int *, int); +static int32_t tdefcolor(const int *, int *, int); static void tdeftran(char); static void tstrsequence(uchar); @@ -236,10 +227,10 @@ static int iofd = 1; static int cmdfd; static pid_t pid; -static uchar utfbyte[UTF_SIZ + 1] = {0x80, 0, 0xC0, 0xE0, 0xF0}; -static uchar utfmask[UTF_SIZ + 1] = {0xC0, 0x80, 0xE0, 0xF0, 0xF8}; -static Rune utfmin[UTF_SIZ + 1] = { 0, 0, 0x80, 0x800, 0x10000}; -static Rune utfmax[UTF_SIZ + 1] = {0x10FFFF, 0x7F, 0x7FF, 0xFFFF, 0x10FFFF}; +static const uchar utfbyte[UTF_SIZ + 1] = {0x80, 0, 0xC0, 0xE0, 0xF0}; +static const uchar utfmask[UTF_SIZ + 1] = {0xC0, 0x80, 0xE0, 0xF0, 0xF8}; +static const Rune utfmin[UTF_SIZ + 1] = { 0, 0, 0x80, 0x800, 0x10000}; +static const Rune utfmax[UTF_SIZ + 1] = {0x10FFFF, 0x7F, 0x7FF, 0xFFFF, 0x10FFFF}; ssize_t xwrite(int fd, const char *s, size_t len) @@ -279,12 +270,14 @@ xrealloc(void *p, size_t len) } char * -xstrdup(char *s) +xstrdup(const char *s) { - if ((s = strdup(s)) == NULL) + char *p; + + if ((p = strdup(s)) == NULL) die("strdup: %s\n", strerror(errno)); - return s; + return p; } size_t @@ -357,25 +350,10 @@ utf8validate(Rune *u, size_t i) return i; } -static const char base64_digits[] = { - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 62, 0, 0, 0, - 63, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 0, 0, 0, -1, 0, 0, 0, 0, 1, - 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, - 22, 23, 24, 25, 0, 0, 0, 0, 0, 0, 26, 27, 28, 29, 30, 31, 32, 33, 34, - 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 -}; - char base64dec_getc(const char **src) { - while (**src && !isprint(**src)) + while (**src && !isprint((unsigned char)**src)) (*src)++; return **src ? *((*src)++) : '='; /* emulate padding if string ends */ } @@ -385,6 +363,13 @@ base64dec(const char *src) { size_t in_len = strlen(src); char *result, *dst; + static const char base64_digits[256] = { + [43] = 62, 0, 0, 0, 63, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, + 0, 0, 0, -1, 0, 0, 0, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, + 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 0, 0, 0, 0, + 0, 0, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, + 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51 + }; if (in_len % 4) in_len += 4 - (in_len % 4); @@ -424,24 +409,10 @@ tlinelen(int y) { int i = term.col; - if (TLINE(y)[i - 1].mode & ATTR_WRAP) + if (term.line[y][i - 1].mode & ATTR_WRAP) return i; - while (i > 0 && TLINE(y)[i - 1].u == ' ') - --i; - - return i; -} - -int -tlinehistlen(int y) -{ - int i = term.col; - - if (TLINE_HIST(y)[i - 1].mode & ATTR_WRAP) - return i; - - while (i > 0 && TLINE_HIST(y)[i - 1].u == ' ') + while (i > 0 && term.line[y][i - 1].u == ' ') --i; return i; @@ -542,7 +513,7 @@ selsnap(int *x, int *y, int direction) { int newx, newy, xt, yt; int delim, prevdelim; - Glyph *gp, *prevgp; + const Glyph *gp, *prevgp; switch (sel.snap) { case SNAP_WORD: @@ -550,7 +521,7 @@ selsnap(int *x, int *y, int direction) * Snap around if the word wraps around at the end or * beginning of a line. */ - prevgp = &TLINE(*y)[*x]; + prevgp = &term.line[*y][*x]; prevdelim = ISDELIM(prevgp->u); for (;;) { newx = *x + direction; @@ -565,14 +536,14 @@ selsnap(int *x, int *y, int direction) yt = *y, xt = *x; else yt = newy, xt = newx; - if (!(TLINE(yt)[xt].mode & ATTR_WRAP)) + if (!(term.line[yt][xt].mode & ATTR_WRAP)) break; } if (newx >= tlinelen(newy)) break; - gp = &TLINE(newy)[newx]; + gp = &term.line[newy][newx]; delim = ISDELIM(gp->u); if (!(gp->mode & ATTR_WDUMMY) && (delim != prevdelim || (delim && gp->u != prevgp->u))) @@ -593,14 +564,14 @@ selsnap(int *x, int *y, int direction) *x = (direction < 0) ? 0 : term.col - 1; if (direction < 0) { for (; *y > 0; *y += direction) { - if (!(TLINE(*y-1)[term.col-1].mode + if (!(term.line[*y-1][term.col-1].mode & ATTR_WRAP)) { break; } } } else if (direction > 0) { for (; *y < term.row-1; *y += direction) { - if (!(TLINE(*y)[term.col-1].mode + if (!(term.line[*y][term.col-1].mode & ATTR_WRAP)) { break; } @@ -615,7 +586,7 @@ getsel(void) { char *str, *ptr; int y, bufsize, lastx, linelen; - Glyph *gp, *last; + const Glyph *gp, *last; if (sel.ob.x == -1) return NULL; @@ -631,13 +602,13 @@ getsel(void) } if (sel.type == SEL_RECTANGULAR) { - gp = &TLINE(y)[sel.nb.x]; + gp = &term.line[y][sel.nb.x]; lastx = sel.ne.x; } else { - gp = &TLINE(y)[sel.nb.y == y ? sel.nb.x : 0]; + gp = &term.line[y][sel.nb.y == y ? sel.nb.x : 0]; lastx = (sel.ne.y == y) ? sel.ne.x : term.col-1; } - last = &TLINE(y)[MIN(lastx, linelen-1)]; + last = &term.line[y][MIN(lastx, linelen-1)]; while (last >= gp && last->u == ' ') --last; @@ -747,14 +718,8 @@ sigchld(int a) if ((p = waitpid(pid, &stat, WNOHANG)) < 0) die("waiting for pid %hd failed: %s\n", pid, strerror(errno)); - if (pid != p) { - if (p == 0 && wait(&stat) < 0) - die("wait: %s\n", strerror(errno)); - - /* reinstall sigchld handler */ - signal(SIGCHLD, sigchld); + if (pid != p) return; - } if (WIFEXITED(stat) && WEXITSTATUS(stat)) die("child exited with status %d\n", WEXITSTATUS(stat)); @@ -788,7 +753,7 @@ stty(char **args) } int -ttynew(char *line, char *cmd, char *out, char **args) +ttynew(const char *line, char *cmd, const char *out, char **args) { int m, s; @@ -821,14 +786,15 @@ ttynew(char *line, char *cmd, char *out, char **args) break; case 0: close(iofd); + close(m); setsid(); /* create a new process group */ dup2(s, 0); dup2(s, 1); dup2(s, 2); if (ioctl(s, TIOCSCTTY, NULL) < 0) die("ioctl TIOCSCTTY failed: %s\n", strerror(errno)); - close(s); - close(m); + if (s > 2) + close(s); #ifdef __OpenBSD__ if (pledge("stdio getpw proc exec", NULL) == -1) die("pledge\n"); @@ -878,9 +844,6 @@ void ttywrite(const char *s, size_t n, int may_echo) { const char *next; - Arg arg = (Arg) { .i = term.scr }; - - kscrolldown(&arg); if (may_echo && IS_SET(MODE_ECHO)) twrite(s, n, 1); @@ -976,7 +939,7 @@ ttyresize(int tw, int th) } void -ttyhangup() +ttyhangup(void) { /* Send SIGHUP to shell */ kill(pid, SIGHUP); @@ -1080,11 +1043,6 @@ tnew(int col, int row) treset(); } -int tisaltscr(void) -{ - return IS_SET(MODE_ALTSCREEN); -} - void tswapscreen(void) { @@ -1097,53 +1055,13 @@ tswapscreen(void) } void -kscrolldown(const Arg* a) -{ - int n = a->i; - - if (n < 0) - n = term.row + n; - - if (n > term.scr) - n = term.scr; - - if (term.scr > 0) { - term.scr -= n; - selscroll(0, -n); - tfulldirt(); - } -} - -void -kscrollup(const Arg* a) -{ - int n = a->i; - - if (n < 0) - n = term.row + n; - - if (term.scr <= HISTSIZE-n) { - term.scr += n; - selscroll(0, n); - tfulldirt(); - } -} - -void -tscrolldown(int orig, int n, int copyhist) +tscrolldown(int orig, int n) { int i; Line temp; LIMIT(n, 0, term.bot-orig+1); - if (copyhist) { - term.histi = (term.histi - 1 + HISTSIZE) % HISTSIZE; - temp = term.hist[term.histi]; - term.hist[term.histi] = term.line[term.bot]; - term.line[term.bot] = temp; - } - tsetdirt(orig, term.bot-n); tclearregion(0, term.bot-n+1, term.col-1, term.bot); @@ -1153,28 +1071,17 @@ tscrolldown(int orig, int n, int copyhist) term.line[i-n] = temp; } - if (term.scr == 0) - selscroll(orig, n); + selscroll(orig, n); } void -tscrollup(int orig, int n, int copyhist) +tscrollup(int orig, int n) { int i; Line temp; LIMIT(n, 0, term.bot-orig+1); - if (copyhist) { - term.histi = (term.histi + 1) % HISTSIZE; - temp = term.hist[term.histi]; - term.hist[term.histi] = term.line[orig]; - term.line[orig] = temp; - } - - if (term.scr > 0 && term.scr < HISTSIZE) - term.scr = MIN(term.scr + n, HISTSIZE-1); - tclearregion(0, orig, term.col-1, orig+n-1); tsetdirt(orig+n, term.bot); @@ -1184,14 +1091,13 @@ tscrollup(int orig, int n, int copyhist) term.line[i+n] = temp; } - if (term.scr == 0) - selscroll(orig, -n); + selscroll(orig, -n); } void selscroll(int orig, int n) { - if (sel.ob.x == -1) + if (sel.ob.x == -1 || sel.alt != IS_SET(MODE_ALTSCREEN)) return; if (BETWEEN(sel.nb.y, orig, term.bot) != BETWEEN(sel.ne.y, orig, term.bot)) { @@ -1214,7 +1120,7 @@ tnewline(int first_col) int y = term.c.y; if (y == term.bot) { - tscrollup(term.top, 1, 1); + tscrollup(term.top, 1); } else { y++; } @@ -1226,6 +1132,7 @@ csiparse(void) { char *p = csiescseq.buf, *np; long int v; + int sep = ';'; /* colon or semi-colon, but not both */ csiescseq.narg = 0; if (*p == '?') { @@ -1243,7 +1150,9 @@ csiparse(void) v = -1; csiescseq.arg[csiescseq.narg++] = v; p = np; - if (*p != ';' || csiescseq.narg == ESC_ARG_SIZ) + if (sep == ';' && *p == ':') + sep = ':'; /* allow override to colon once */ + if (*p != sep || csiescseq.narg == ESC_ARG_SIZ) break; p++; } @@ -1276,9 +1185,9 @@ tmoveto(int x, int y) } void -tsetchar(Rune u, Glyph *attr, int x, int y) +tsetchar(Rune u, const Glyph *attr, int x, int y) { - static char *vt100_0[62] = { /* 0x41 - 0x7e */ + static const char *vt100_0[62] = { /* 0x41 - 0x7e */ "↑", "↓", "→", "←", "█", "▚", "☃", /* A - G */ 0, 0, 0, 0, 0, 0, 0, 0, /* H - O */ 0, 0, 0, 0, 0, 0, 0, 0, /* P - W */ @@ -1379,18 +1288,18 @@ void tinsertblankline(int n) { if (BETWEEN(term.c.y, term.top, term.bot)) - tscrolldown(term.c.y, n, 0); + tscrolldown(term.c.y, n); } void tdeleteline(int n) { if (BETWEEN(term.c.y, term.top, term.bot)) - tscrollup(term.c.y, n, 0); + tscrollup(term.c.y, n); } int32_t -tdefcolor(int *attr, int *npar, int l) +tdefcolor(const int *attr, int *npar, int l) { int32_t idx = -1; uint r, g, b; @@ -1440,7 +1349,7 @@ tdefcolor(int *attr, int *npar, int l) } void -tsetattr(int *attr, int l) +tsetattr(const int *attr, int l) { int i; int32_t idx; @@ -1511,16 +1420,22 @@ tsetattr(int *attr, int l) if ((idx = tdefcolor(attr, &i, l)) >= 0) term.c.attr.fg = idx; break; - case 39: + case 39: /* set foreground color to default */ term.c.attr.fg = defaultfg; break; case 48: if ((idx = tdefcolor(attr, &i, l)) >= 0) term.c.attr.bg = idx; break; - case 49: + case 49: /* set background color to default */ term.c.attr.bg = defaultbg; break; + case 58: + /* This starts a sequence to change the color of + * "underline" pixels. We don't support that and + * instead eat up a following "5;n" or "2;r;g;b". */ + tdefcolor(attr, &i, l); + break; default: if (BETWEEN(attr[i], 30, 37)) { term.c.attr.fg = attr[i] - 30; @@ -1558,9 +1473,9 @@ tsetscroll(int t, int b) } void -tsetmode(int priv, int set, int *args, int narg) +tsetmode(int priv, int set, const int *args, int narg) { - int alt, *lim; + int alt; const int *lim; for (lim = args + narg; args < lim; ++args) { if (priv) { @@ -1617,7 +1532,7 @@ tsetmode(int priv, int set, int *args, int narg) case 1006: /* 1006: extended reporting mode */ xsetmode(set, MODE_MOUSESGR); break; - case 1034: + case 1034: /* 1034: enable 8-bit mode for keyboard input */ xsetmode(set, MODE_8BIT); break; case 1049: /* swap screen & set/restore cursor as xterm */ @@ -1625,8 +1540,8 @@ tsetmode(int priv, int set, int *args, int narg) break; tcursor((set) ? CURSOR_SAVE : CURSOR_LOAD); /* FALLTHROUGH */ - case 47: /* swap screen */ - case 1047: + case 47: /* swap screen buffer */ + case 1047: /* swap screen buffer */ if (!allowaltscreen) break; alt = IS_SET(MODE_ALTSCREEN); @@ -1639,7 +1554,7 @@ tsetmode(int priv, int set, int *args, int narg) if (*args != 1049) break; /* FALLTHROUGH */ - case 1048: + case 1048: /* save/restore cursor (like DECSC/DECRC) */ tcursor((set) ? CURSOR_SAVE : CURSOR_LOAD); break; case 2004: /* 2004: bracketed paste mode */ @@ -1737,7 +1652,7 @@ csihandle(void) ttywrite(vtiden, strlen(vtiden), 0); break; case 'b': /* REP -- if last char is printable print it <n> more times */ - DEFAULT(csiescseq.arg[0], 1); + LIMIT(csiescseq.arg[0], 1, 65535); if (term.lastc) while (csiescseq.arg[0]-- > 0) tputc(term.lastc); @@ -1796,7 +1711,7 @@ csihandle(void) } break; case 1: /* above */ - if (term.c.y > 1) + if (term.c.y > 0) tclearregion(0, 0, term.col-1, term.c.y-1); tclearregion(0, term.c.y, term.c.x, term.c.y); break; @@ -1822,12 +1737,13 @@ csihandle(void) } break; case 'S': /* SU -- Scroll <n> line up */ + if (csiescseq.priv) break; DEFAULT(csiescseq.arg[0], 1); - tscrollup(term.top, csiescseq.arg[0], 0); + tscrollup(term.top, csiescseq.arg[0]); break; case 'T': /* SD -- Scroll <n> line down */ DEFAULT(csiescseq.arg[0], 1); - tscrolldown(term.top, csiescseq.arg[0], 0); + tscrolldown(term.top, csiescseq.arg[0]); break; case 'L': /* IL -- Insert <n> blank lines */ DEFAULT(csiescseq.arg[0], 1); @@ -1863,11 +1779,18 @@ csihandle(void) case 'm': /* SGR -- Terminal attribute (color) */ tsetattr(csiescseq.arg, csiescseq.narg); break; - case 'n': /* DSR – Device Status Report (cursor position) */ - if (csiescseq.arg[0] == 6) { + case 'n': /* DSR -- Device Status Report */ + switch (csiescseq.arg[0]) { + case 5: /* Status Report "OK" `0n` */ + ttywrite("\033[0n", sizeof("\033[0n") - 1, 0); + break; + case 6: /* Report Cursor Position (CPR) "<row>;<column>R" */ len = snprintf(buf, sizeof(buf), "\033[%i;%iR", - term.c.y+1, term.c.x+1); + term.c.y+1, term.c.x+1); ttywrite(buf, len, 0); + break; + default: + goto unknown; } break; case 'r': /* DECSTBM -- Set Scrolling Region */ @@ -1884,7 +1807,11 @@ csihandle(void) tcursor(CURSOR_SAVE); break; case 'u': /* DECRC -- Restore cursor position (ANSI.SYS) */ - tcursor(CURSOR_LOAD); + if (csiescseq.priv) { + goto unknown; + } else { + tcursor(CURSOR_LOAD); + } break; case ' ': switch (csiescseq.mode[1]) { @@ -1930,10 +1857,40 @@ csireset(void) } void +osc_color_response(int num, int index, int is_osc4) +{ + int n; + char buf[32]; + unsigned char r, g, b; + + if (xgetcolor(is_osc4 ? num : index, &r, &g, &b)) { + fprintf(stderr, "erresc: failed to fetch %s color %d\n", + is_osc4 ? "osc4" : "osc", + is_osc4 ? num : index); + return; + } + + n = snprintf(buf, sizeof buf, "\033]%s%d;rgb:%02x%02x/%02x%02x/%02x%02x\007", + is_osc4 ? "4;" : "", num, r, r, g, g, b, b); + if (n < 0 || n >= sizeof(buf)) { + fprintf(stderr, "error: %s while printing %s response\n", + n < 0 ? "snprintf failed" : "truncation occurred", + is_osc4 ? "osc4" : "osc"); + } else { + ttywrite(buf, n, 1); + } +} + +void strhandle(void) { char *p = NULL, *dec; int j, narg, par; + const struct { int idx; char *str; } osc_table[] = { + { defaultfg, "foreground" }, + { defaultbg, "background" }, + { defaultcs, "cursor" } + }; term.esc &= ~(ESC_STR_END|ESC_STR); strparse(); @@ -1956,7 +1913,7 @@ strhandle(void) if (narg > 1) xsettitle(strescseq.args[1]); return; - case 52: + case 52: /* manipulate selection data */ if (narg > 2 && allowwindowops) { dec = base64dec(strescseq.args[2]); if (dec) { @@ -1967,16 +1924,39 @@ strhandle(void) } } return; + case 10: /* set dynamic VT100 text foreground color */ + case 11: /* set dynamic VT100 text background color */ + case 12: /* set dynamic text cursor color */ + if (narg < 2) + break; + p = strescseq.args[1]; + if ((j = par - 10) < 0 || j >= LEN(osc_table)) + break; /* shouldn't be possible */ + + if (!strcmp(p, "?")) { + osc_color_response(par, osc_table[j].idx, 0); + } else if (xsetcolorname(osc_table[j].idx, p)) { + fprintf(stderr, "erresc: invalid %s color: %s\n", + osc_table[j].str, p); + } else { + tfulldirt(); + } + return; case 4: /* color set */ if (narg < 3) break; p = strescseq.args[2]; /* FALLTHROUGH */ - case 104: /* color reset, here p = NULL */ + case 104: /* color reset */ j = (narg > 1) ? atoi(strescseq.args[1]) : -1; - if (xsetcolorname(j, p)) { - if (par == 104 && narg <= 1) + + if (p && !strcmp(p, "?")) { + osc_color_response(j, 0, 1); + } else if (xsetcolorname(j, p)) { + if (par == 104 && narg <= 1) { + xloadcols(); return; /* color reset without parameter */ + } fprintf(stderr, "erresc: invalid color j=%d, p=%s\n", j, p ? p : "(null)"); } else { @@ -1984,7 +1964,20 @@ strhandle(void) * TODO if defaultbg color is changed, borders * are dirty */ - redraw(); + tfulldirt(); + } + return; + case 110: /* reset dynamic VT100 text foreground color */ + case 111: /* reset dynamic VT100 text background color */ + case 112: /* reset dynamic text cursor color */ + if (narg != 1) + break; + if ((j = par - 110) < 0 || j >= LEN(osc_table)) + break; /* shouldn't be possible */ + if (xsetcolorname(osc_table[j].idx, NULL)) { + fprintf(stderr, "erresc: %s color not found\n", osc_table[j].str); + } else { + tfulldirt(); } return; } @@ -2025,61 +2018,6 @@ strparse(void) } void -externalpipe(const Arg *arg) -{ - int to[2]; - char buf[UTF_SIZ]; - void (*oldsigpipe)(int); - Glyph *bp, *end; - int lastpos, n, newline; - - if (pipe(to) == -1) - return; - - switch (fork()) { - case -1: - close(to[0]); - close(to[1]); - return; - case 0: - dup2(to[0], STDIN_FILENO); - close(to[0]); - close(to[1]); - execvp(((char **)arg->v)[0], (char **)arg->v); - fprintf(stderr, "st: execvp %s\n", ((char **)arg->v)[0]); - perror("failed"); - exit(0); - } - - close(to[0]); - /* ignore sigpipe for now, in case child exists early */ - oldsigpipe = signal(SIGPIPE, SIG_IGN); - newline = 0; - for (n = 0; n <= HISTSIZE + 2; n++) { - bp = TLINE_HIST(n); - lastpos = MIN(tlinehistlen(n) + 1, term.col) - 1; - if (lastpos < 0) - break; - if (lastpos == 0) - continue; - end = &bp[lastpos + 1]; - for (; bp < end; ++bp) - if (xwrite(to[1], buf, utf8encode(bp->u, buf)) < 0) - break; - if ((newline = TLINE_HIST(n)[lastpos].mode & ATTR_WRAP)) - continue; - if (xwrite(to[1], "\n", 1) < 0) - break; - newline = 0; - } - if (newline) - (void)xwrite(to[1], "\n", 1); - close(to[1]); - /* restore */ - signal(SIGPIPE, oldsigpipe); -} - -void strdump(void) { size_t i; @@ -2165,7 +2103,7 @@ void tdumpline(int n) { char buf[UTF_SIZ]; - Glyph *bp, *end; + const Glyph *bp, *end; bp = &term.line[n][0]; end = &bp[MIN(tlinelen(n), term.col) - 1]; @@ -2394,7 +2332,7 @@ eschandle(uchar ascii) return 0; case 'D': /* IND -- Linefeed */ if (term.c.y == term.bot) { - tscrollup(term.top, 1, 1); + tscrollup(term.top, 1); } else { tmoveto(term.c.x, term.c.y+1); } @@ -2407,7 +2345,7 @@ eschandle(uchar ascii) break; case 'M': /* RI -- Reverse index */ if (term.c.y == term.top) { - tscrolldown(term.top, 1, 1); + tscrolldown(term.top, 1); } else { tmoveto(term.c.x, term.c.y-1); } @@ -2419,6 +2357,7 @@ eschandle(uchar ascii) treset(); resettitle(); xloadcols(); + xsetmode(0, MODE_HIDE); break; case '=': /* DECPAM -- Application keypad */ xsetmode(1, MODE_APPKEYPAD); @@ -2511,6 +2450,9 @@ check_control_code: * they must not cause conflicts with sequences. */ if (control) { + /* in UTF-8 mode ignore handling C1 control characters */ + if (IS_SET(MODE_UTF8) && ISCONTROLC1(u)) + return; tcontrolcode(u); /* * control codes are not shown ever @@ -2557,11 +2499,16 @@ check_control_code: gp = &term.line[term.c.y][term.c.x]; } - if (IS_SET(MODE_INSERT) && term.c.x+width < term.col) + if (IS_SET(MODE_INSERT) && term.c.x+width < term.col) { memmove(gp+width, gp, (term.col - term.c.x - width) * sizeof(Glyph)); + gp->mode &= ~ATTR_WIDE; + } if (term.c.x+width > term.col) { - tnewline(1); + if (IS_SET(MODE_WRAP)) + tnewline(1); + else + tmoveto(term.col - width, term.c.y); gp = &term.line[term.c.y][term.c.x]; } @@ -2571,6 +2518,10 @@ check_control_code: if (width == 2) { gp->mode |= ATTR_WIDE; if (term.c.x+1 < term.col) { + if (gp[1].mode == ATTR_WIDE && term.c.x+2 < term.col) { + gp[2].u = ' '; + gp[2].mode &= ~ATTR_WDUMMY; + } gp[1].u = '\0'; gp[1].mode = ATTR_WDUMMY; } @@ -2617,15 +2568,12 @@ twrite(const char *buf, int buflen, int show_ctrl) void tresize(int col, int row) { - int i, j; + int i; int minrow = MIN(row, term.row); int mincol = MIN(col, term.col); int *bp; TCursor c; - if ( row < term.row || col < term.col ) - toggle_winmode(trt_kbdselect(XK_Escape, NULL, 0)); - if (col < 1 || row < 1) { fprintf(stderr, "tresize: error resizing to %dx%d\n", col, row); @@ -2657,14 +2605,6 @@ tresize(int col, int row) term.dirty = xrealloc(term.dirty, row * sizeof(*term.dirty)); term.tabs = xrealloc(term.tabs, col * sizeof(*term.tabs)); - for (i = 0; i < HISTSIZE; i++) { - term.hist[i] = xrealloc(term.hist[i], col * sizeof(Glyph)); - for (j = mincol; j < col; j++) { - term.hist[i][j] = term.c.attr; - term.hist[i][j].u = ' '; - } - } - /* resize each row to new width, zero-pad if needed */ for (i = 0; i < minrow; i++) { term.line[i] = xrealloc(term.line[i], col * sizeof(Glyph)); @@ -2723,7 +2663,7 @@ drawregion(int x1, int y1, int x2, int y2) continue; term.dirty[y] = 0; - xdrawline(TLINE(y), x1, y, x2); + xdrawline(term.line[y], x1, y, x2); } } @@ -2744,9 +2684,8 @@ draw(void) cx--; drawregion(0, 0, term.col, term.row); - if (term.scr == 0) - xdrawcursor(cx, term.c.y, term.line[term.c.y][cx], - term.ocx, term.ocy, term.line[term.ocy][term.ocx]); + xdrawcursor(cx, term.c.y, term.line[term.c.y][cx], + term.ocx, term.ocy, term.line[term.ocy][term.ocx]); term.ocx = cx; term.ocy = term.c.y; xfinishdraw(); @@ -2760,223 +2699,3 @@ redraw(void) tfulldirt(); draw(); } - -void set_notifmode(int type, KeySym ksym) { - static char *lib[] = { " MOVE ", " SEL "}; - static Glyph *g, *deb, *fin; - static int col, bot; - - if ( ksym == -1 ) { - free(g); - col = term.col, bot = term.bot; - g = xmalloc(col * sizeof(Glyph)); - memcpy(g, term.line[bot], col * sizeof(Glyph)); - - } - else if ( ksym == -2 ) - memcpy(term.line[bot], g, col * sizeof(Glyph)); - - if ( type < 2 ) { - char *z = lib[type]; - for (deb = &term.line[bot][col - 6], fin = &term.line[bot][col]; deb < fin; z++, deb++) - deb->mode = ATTR_REVERSE, - deb->u = *z, - deb->fg = defaultfg, deb->bg = defaultbg; - } - else if ( type < 5 ) - memcpy(term.line[bot], g, col * sizeof(Glyph)); - else { - for (deb = &term.line[bot][0], fin = &term.line[bot][col]; deb < fin; deb++) - deb->mode = ATTR_REVERSE, - deb->u = ' ', - deb->fg = defaultfg, deb->bg = defaultbg; - term.line[bot][0].u = ksym; - } - - term.dirty[bot] = 1; - drawregion(0, bot, col, bot + 1); -} - -void select_or_drawcursor(int selectsearch_mode, int type) { - int done = 0; - - if ( selectsearch_mode & 1 ) { - selextend(term.c.x, term.c.y, type, done); - xsetsel(getsel()); - } - else - xdrawcursor(term.c.x, term.c.y, term.line[term.c.y][term.c.x], - term.ocx, term.ocy, term.line[term.ocy][term.ocx]); -} - -void search(int selectsearch_mode, Rune *target, int ptarget, int incr, int type, TCursor *cu) { - Rune *r; - int i, bound = (term.col * cu->y + cu->x) * (incr > 0) + incr; - - for (i = term.col * term.c.y + term.c.x + incr; i != bound; i += incr) { - for (r = target; r - target < ptarget; r++) { - if ( *r == term.line[(i + r - target) / term.col][(i + r - target) % term.col].u ) { - if ( r - target == ptarget - 1 ) break; - } else { - r = NULL; - break; - } - } - if ( r != NULL ) break; - } - - if ( i != bound ) { - term.c.y = i / term.col, term.c.x = i % term.col; - select_or_drawcursor(selectsearch_mode, type); - } -} - -int trt_kbdselect(KeySym ksym, char *buf, int len) { - static TCursor cu; - static Rune target[64]; - static int type = 1, ptarget, in_use; - static int sens, quant; - static char selectsearch_mode; - int i, bound, *xy; - - - if ( selectsearch_mode & 2 ) { - if ( ksym == XK_Return ) { - selectsearch_mode ^= 2; - set_notifmode(selectsearch_mode, -2); - if ( ksym == XK_Escape ) ptarget = 0; - return 0; - } - else if ( ksym == XK_BackSpace ) { - if ( !ptarget ) return 0; - term.line[term.bot][ptarget--].u = ' '; - } - else if ( len < 1 ) { - return 0; - } - else if ( ptarget == term.col || ksym == XK_Escape ) { - return 0; - } - else { - utf8decode(buf, &target[ptarget++], len); - term.line[term.bot][ptarget].u = target[ptarget - 1]; - } - - if ( ksym != XK_BackSpace ) - search(selectsearch_mode, &target[0], ptarget, sens, type, &cu); - - term.dirty[term.bot] = 1; - drawregion(0, term.bot, term.col, term.bot + 1); - return 0; - } - - switch ( ksym ) { - case -1 : - in_use = 1; - cu.x = term.c.x, cu.y = term.c.y; - set_notifmode(0, ksym); - return MODE_KBDSELECT; - case XK_v : - if ( selectsearch_mode & 1 ) - selclear(); - else - selstart(term.c.x, term.c.y, 0); - set_notifmode(selectsearch_mode ^= 1, ksym); - break; - case XK_t : - selextend(term.c.x, term.c.y, type ^= 3, i = 0); /* 2 fois */ - selextend(term.c.x, term.c.y, type, i = 0); - break; - case XK_slash : - case XK_KP_Divide : - case XK_question : - ksym &= XK_question; /* Divide to slash */ - sens = (ksym == XK_slash) ? -1 : 1; - ptarget = 0; - set_notifmode(15, ksym); - selectsearch_mode ^= 2; - break; - case XK_i : - case XK_Escape : - selclear(); - if ( !in_use ) break; - case XK_Return : - case XK_y : - set_notifmode(4, ksym); - term.c.x = cu.x, term.c.y = cu.y; - select_or_drawcursor(selectsearch_mode = 0, type); - in_use = quant = 0; - selclear(); - return MODE_KBDSELECT; - case XK_n : - case XK_N : - if ( ptarget ) - search(selectsearch_mode, &target[0], ptarget, (ksym == XK_n) ? -1 : 1, type, &cu); - break; - case XK_BackSpace : - term.c.x = 0; - select_or_drawcursor(selectsearch_mode, type); - break; - case XK_dollar : - term.c.x = term.col - 1; - select_or_drawcursor(selectsearch_mode, type); - break; - case XK_Home : - term.c.x = 0, term.c.y = 0; - select_or_drawcursor(selectsearch_mode, type); - break; - case XK_End : - term.c.x = cu.x, term.c.y = cu.y; - select_or_drawcursor(selectsearch_mode, type); - break; - case XK_Page_Up : - case XK_Page_Down : - term.c.y = (ksym == XK_Prior ) ? 0 : cu.y; - select_or_drawcursor(selectsearch_mode, type); - break; - case XK_exclam : - term.c.x = term.col >> 1; - select_or_drawcursor(selectsearch_mode, type); - break; - case XK_asterisk : - case XK_KP_Multiply : - term.c.x = term.col >> 1; - case XK_underscore : - term.c.y = cu.y >> 1; - select_or_drawcursor(selectsearch_mode, type); - break; - default : - if ( ksym >= XK_0 && ksym <= XK_9 ) { /* 0-9 keyboard */ - quant = (quant * 10) + (ksym ^ XK_0); - return 0; - } - else if ( ksym >= XK_KP_0 && ksym <= XK_KP_9 ) { /* 0-9 numpad */ - quant = (quant * 10) + (ksym ^ XK_KP_0); - return 0; - } - else if ( ksym == XK_k || ksym == XK_h ) - i = ksym & 1; - else if ( ksym == XK_l || ksym == XK_j ) - i = ((ksym & 6) | 4) >> 1; - else if ( (XK_Home & ksym) != XK_Home || (i = (ksym ^ XK_Home) - 1) > 3 ) - break; - - xy = (i & 1) ? &term.c.y : &term.c.x; - sens = (i & 2) ? 1 : -1; - bound = (i >> 1 ^ 1) ? 0 : (i ^ 3) ? term.col - 1 : term.bot; - - if ( quant == 0 ) - quant++; - - if ( *xy == bound && ((sens < 0 && bound == 0) || (sens > 0 && bound > 0)) ) - break; - - *xy += quant * sens; - if ( *xy < 0 || ( bound > 0 && *xy > bound) ) - *xy = bound; - - select_or_drawcursor(selectsearch_mode, type); - } - quant = 0; - return 0; -} |