diff options
Diffstat (limited to 'st.c')
| -rw-r--r-- | st.c | 139 |
1 files changed, 97 insertions, 42 deletions
@@ -170,6 +170,7 @@ 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); @@ -195,17 +196,17 @@ 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 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 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); @@ -234,10 +235,10 @@ 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) @@ -277,12 +278,16 @@ xrealloc(void *p, size_t len) } char * -xstrdup(char *s) +xstrdup(const char *s) { if ((s = strdup(s)) == NULL) die("strdup: %s\n", strerror(errno)); + char *p; + + if ((p = strdup(s)) == NULL) + die("strdup: %s\n", strerror(errno)); - return s; + return p; } size_t @@ -355,25 +360,10 @@ 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 */ } @@ -383,6 +373,13 @@ 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); @@ -491,6 +488,7 @@ selextend(int col, int row, int type, int done) sel.mode = done ? SEL_IDLE : SEL_READY; } + void selnormalize(void) { @@ -540,7 +538,7 @@ 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: @@ -613,7 +611,7 @@ getsel(void) { char *str, *ptr; int y, bufsize, lastx, linelen; - Glyph *gp, *last; + const Glyph *gp, *last; if (sel.ob.x == -1) return NULL; @@ -780,7 +778,7 @@ 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; @@ -813,14 +811,15 @@ 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"); @@ -968,7 +967,7 @@ ttyresize(int tw, int th) } void -ttyhangup() +ttyhangup(void) { /* Send SIGHUP to shell */ kill(pid, SIGHUP); @@ -1263,9 +1262,9 @@ 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 */ @@ -1380,7 +1379,7 @@ tdeleteline(int 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; @@ -1430,7 +1429,7 @@ tdefcolor(int *attr, int *npar, int l) } void -tsetattr(int *attr, int l) +tsetattr(const int *attr, int l) { int i; int32_t idx; @@ -1548,9 +1547,9 @@ 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) { @@ -1920,10 +1919,40 @@ 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(); @@ -1957,14 +1986,35 @@ strhandle(void) } } return; + case 10: + case 11: + case 12: + 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 (p && !strcmp(p, "?")) { + osc_color_response(j, 0, 1); + } else if (xsetcolorname(j, p)) { if (par == 104 && narg <= 1) return; /* color reset without parameter */ fprintf(stderr, "erresc: invalid color j=%d, p=%s\n", @@ -1974,7 +2024,7 @@ strhandle(void) * TODO if defaultbg color is changed, borders * are dirty */ - redraw(); + tfulldirt(); } return; } @@ -2155,7 +2205,7 @@ 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]; @@ -2561,6 +2611,10 @@ 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; } @@ -2759,3 +2813,4 @@ redraw(void) tfulldirt(); draw(); } + |