X-Git-Url: https://git.xinqibao.xyz/st.git/blobdiff_plain/8dacdfbab1c476063a31bc3b8d7222ac2b70ff66..d84f3f4bd15e7d65fc0334cf7d62913c901bad00:/st.c
diff --git a/st.c b/st.c
index ae93ade..dae7b91 100644
--- a/st.c
+++ b/st.c
@@ -21,20 +21,10 @@
#include <time.h>
#include <unistd.h>
#include <libgen.h>
-#include <fontconfig/fontconfig.h>
#include <wchar.h>
-/* X11 */
-#include <X11/cursorfont.h>
-#include <X11/Xft/Xft.h>
-
-char *argv0;
-
-#define Glyph Glyph_
-#define Font Font_
-
-#include "win.h"
#include "st.h"
+#include "win.h"
#if defined(__linux)
#include <pty.h>
@@ -53,14 +43,13 @@ char *argv0;
/* macros */
#define NUMMAXLEN(x) ((int)(sizeof(x) * 2.56 + 0.5) + 1)
-#define DEFAULT(a, b) (a) = (a) ? (a) : (b)
#define ISCONTROLC0(c) (BETWEEN(c, 0, 0x1f) || (c) == '\177')
#define ISCONTROLC1(c) (BETWEEN(c, 0x80, 0x9f))
#define ISCONTROL(c) (ISCONTROLC0(c) || ISCONTROLC1(c))
#define ISDELIM(u) (utf8strchr(worddelimiters, u) != NULL)
/* constants */
-#define ISO14755CMD "dmenu -w %lu -p codepoint: </dev/null"
+#define ISO14755CMD "dmenu -w \"$WINDOWID\" -p codepoint: </dev/null"
enum cursor_movement {
CURSOR_SAVE,
@@ -115,35 +104,9 @@ typedef struct {
int narg; /* nb of args */
} STREscape;
-typedef struct {
- KeySym k;
- uint mask;
- char *s;
- /* three valued logic variables: 0 indifferent, 1 on, -1 off */
- signed char appkey; /* application keypad */
- signed char appcursor; /* application cursor */
- signed char crlf; /* crlf mode */
-} Key;
-
-/* function definitions used in config.h */
-static void clipcopy(const Arg *);
-static void clippaste(const Arg *);
-static void numlock(const Arg *);
-static void selpaste(const Arg *);
-static void zoom(const Arg *);
-static void zoomabs(const Arg *);
-static void zoomreset(const Arg *);
-static void printsel(const Arg *);
-static void printscreen(const Arg *) ;
-static void iso14755(const Arg *);
-static void toggleprinter(const Arg *);
-static void sendbreak(const Arg *);
-
-/* config.h for applying patches and the configuration. */
-#include "config.h"
-
-static void execsh(void);
-static void stty(void);
+
+static void execsh(char **);
+static void stty(char **);
static void sigchld(int);
static void csidump(void);
@@ -173,7 +136,6 @@ static void tnewline(int);
static void tputtab(int);
static void tputc(Rune);
static void treset(void);
-static void tresize(int, int);
static void tscrollup(int, int);
static void tscrolldown(int, int);
static void tsetattr(int *, int);
@@ -181,8 +143,8 @@ static void tsetchar(Rune, Glyph *, int, int);
static void tsetscroll(int, int);
static void tswapscreen(void);
static void tsetmode(int, int, int *, int);
+static int twrite(const char *, int, int);
static void tfulldirt(void);
-static void techo(Rune);
static void tcontrolcode(uchar );
static void tdectest(char );
static void tdefutf8(char);
@@ -201,43 +163,23 @@ static size_t utf8validate(Rune *, size_t);
static char *base64dec(const char *);
static ssize_t xwrite(int, const char *, size_t);
-static void *xrealloc(void *, size_t);
/* Globals */
-TermWindow win;
Term term;
Selection sel;
int cmdfd;
pid_t pid;
-char **opt_cmd = NULL;
-char *opt_class = NULL;
-char *opt_embed = NULL;
-char *opt_font = NULL;
-char *opt_io = NULL;
-char *opt_line = NULL;
-char *opt_name = NULL;
-char *opt_title = NULL;
int oldbutton = 3; /* button event on startup: 3 = release */
static CSIEscape csiescseq;
static STREscape strescseq;
static int iofd = 1;
-char *usedfont = NULL;
-double usedfontsize = 0;
-double defaultfontsize = 0;
-
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};
-/* config.h array lengths */
-size_t colornamelen = LEN(colorname);
-size_t mshortcutslen = LEN(mshortcuts);
-size_t shortcutslen = LEN(shortcuts);
-size_t selmaskslen = LEN(selmasks);
-
ssize_t
xwrite(int fd, const char *s, size_t len)
{
@@ -285,7 +227,7 @@ xstrdup(char *s)
}
size_t
-utf8decode(char *c, Rune *u, size_t clen)
+utf8decode(const char *c, Rune *u, size_t clen)
{
size_t i, j, len, type;
Rune udecoded;
@@ -386,6 +328,13 @@ static const char base64_digits[] = {
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
};
+char
+base64dec_getc(const char **src)
+{
+ while (**src && !isprint(**src)) (*src)++;
+ return *((*src)++);
+}
+
char *
base64dec(const char *src)
{
@@ -393,13 +342,13 @@ base64dec(const char *src)
char *result, *dst;
if (in_len % 4)
- return NULL;
+ in_len += 4 - (in_len % 4);
result = dst = xmalloc(in_len / 4 * 3 + 1);
while (*src) {
- int a = base64_digits[(unsigned char) *src++];
- int b = base64_digits[(unsigned char) *src++];
- int c = base64_digits[(unsigned char) *src++];
- int d = base64_digits[(unsigned char) *src++];
+ int a = base64_digits[(unsigned char) base64dec_getc(&src)];
+ int b = base64_digits[(unsigned char) base64dec_getc(&src)];
+ int c = base64_digits[(unsigned char) base64dec_getc(&src)];
+ int d = base64_digits[(unsigned char) base64dec_getc(&src)];
*dst++ = (a << 2) | ((b & 0x30) >> 4);
if (c == -1)
@@ -425,24 +374,6 @@ selinit(void)
sel.clipboard = NULL;
}
-int
-x2col(int x)
-{
- x -= borderpx;
- x /= win.cw;
-
- return LIMIT(x, 0, term.col-1);
-}
-
-int
-y2row(int y)
-{
- y -= borderpx;
- y /= win.ch;
-
- return LIMIT(y, 0, term.row-1);
-}
-
int
tlinelen(int y)
{
@@ -627,24 +558,6 @@ getsel(void)
return str;
}
-void
-selpaste(const Arg *dummy)
-{
- xselpaste();
-}
-
-void
-clipcopy(const Arg *dummy)
-{
- xclipcopy();
-}
-
-void
-clippaste(const Arg *dummy)
-{
- xclippaste();
-}
-
void
selclear(void)
{
@@ -667,9 +580,9 @@ die(const char *errstr, ...)
}
void
-execsh(void)
+execsh(char **args)
{
- char **args, *sh, *prog;
+ char *sh, *prog;
const struct passwd *pw;
errno = 0;
@@ -683,13 +596,13 @@ execsh(void)
if ((sh = getenv("SHELL")) == NULL)
sh = (pw->pw_shell[0]) ? pw->pw_shell : shell;
- if (opt_cmd)
- prog = opt_cmd[0];
+ if (args)
+ prog = args[0];
else if (utmp)
prog = utmp;
else
prog = sh;
- args = (opt_cmd) ? opt_cmd : (char *[]) {prog, NULL};
+ DEFAULT(args, ((char *[]) {prog, NULL}));
unsetenv("COLUMNS");
unsetenv("LINES");
@@ -699,7 +612,6 @@ execsh(void)
setenv("SHELL", sh, 1);
setenv("HOME", pw->pw_dir, 1);
setenv("TERM", termname, 1);
- xsetenv();
signal(SIGCHLD, SIG_DFL);
signal(SIGHUP, SIG_DFL);
@@ -731,7 +643,7 @@ sigchld(int a)
void
-stty(void)
+stty(char **args)
{
char cmd[_POSIX_ARG_MAX], **p, *q, *s;
size_t n, siz;
@@ -741,7 +653,7 @@ stty(void)
memcpy(cmd, stty_args, n);
q = cmd + n;
siz = sizeof(cmd) - n;
- for (p = opt_cmd; p && (s = *p); ++p) {
+ for (p = args; p && (s = *p); ++p) {
if ((n = strlen(s)) > siz-1)
die("stty parameter length too long\n");
*q++ = ' ';
@@ -755,31 +667,30 @@ stty(void)
}
void
-ttynew(void)
+ttynew(char *line, char *out, char **args)
{
int m, s;
- struct winsize w = {term.row, term.col, 0, 0};
- if (opt_io) {
+ if (out) {
term.mode |= MODE_PRINT;
- iofd = (!strcmp(opt_io, "-")) ?
- 1 : open(opt_io, O_WRONLY | O_CREAT, 0666);
+ iofd = (!strcmp(out, "-")) ?
+ 1 : open(out, O_WRONLY | O_CREAT, 0666);
if (iofd < 0) {
fprintf(stderr, "Error opening %s:%s\n",
- opt_io, strerror(errno));
+ out, strerror(errno));
}
}
- if (opt_line) {
- if ((cmdfd = open(opt_line, O_RDWR)) < 0)
+ if (line) {
+ if ((cmdfd = open(line, O_RDWR)) < 0)
die("open line failed: %s\n", strerror(errno));
dup2(cmdfd, 0);
- stty();
+ stty(args);
return;
}
/* seems to work fine on linux, openbsd and freebsd */
- if (openpty(&m, &s, NULL, NULL, &w) < 0)
+ if (openpty(&m, &s, NULL, NULL, NULL) < 0)
die("openpty failed: %s\n", strerror(errno));
switch (pid = fork()) {
@@ -796,7 +707,7 @@ ttynew(void)
die("ioctl TIOCSCTTY failed: %s\n", strerror(errno));
close(s);
close(m);
- execsh();
+ execsh(args);
break;
default:
close(s);
@@ -811,38 +722,19 @@ ttyread(void)
{
static char buf[BUFSIZ];
static int buflen = 0;
- char *ptr;
- int charsize; /* size of utf8 char in bytes */
- Rune unicodep;
+ int written;
int ret;
/* append read bytes to unprocessed bytes */
if ((ret = read(cmdfd, buf+buflen, LEN(buf)-buflen)) < 0)
die("Couldn't read from shell: %s\n", strerror(errno));
-
buflen += ret;
- ptr = buf;
-
- for (;;) {
- if (IS_SET(MODE_UTF8) && !IS_SET(MODE_SIXEL)) {
- /* process a complete utf8 char */
- charsize = utf8decode(ptr, &unicodep, buflen);
- if (charsize == 0)
- break;
- tputc(unicodep);
- ptr += charsize;
- buflen -= charsize;
- } else {
- if (buflen <= 0)
- break;
- tputc(*ptr++ & 0xFF);
- buflen--;
- }
- }
+ written = twrite(buf, buflen, 0);
+ buflen -= written;
/* keep any uncomplete utf8 char for the next call */
if (buflen > 0)
- memmove(buf, ptr, buflen);
+ memmove(buf, buf + written, buflen);
return ret;
}
@@ -907,38 +799,20 @@ write_error:
void
ttysend(char *s, size_t n)
{
- int len;
- char *t, *lim;
- Rune u;
-
ttywrite(s, n);
- if (!IS_SET(MODE_ECHO))
- return;
-
- lim = &s[n];
- for (t = s; t < lim; t += len) {
- if (IS_SET(MODE_UTF8) && !IS_SET(MODE_SIXEL)) {
- len = utf8decode(t, &u, n);
- } else {
- u = *t & 0xFF;
- len = 1;
- }
- if (len <= 0)
- break;
- techo(u);
- n -= len;
- }
+ if (IS_SET(MODE_ECHO))
+ twrite(s, n, 1);
}
void
-ttyresize(void)
+ttyresize(int tw, int th)
{
struct winsize w;
w.ws_row = term.row;
w.ws_col = term.col;
- w.ws_xpixel = win.tw;
- w.ws_ypixel = win.th;
+ w.ws_xpixel = tw;
+ w.ws_ypixel = th;
if (ioctl(cmdfd, TIOCSWINSZ, &w) < 0)
fprintf(stderr, "Couldn't set window size: %s\n", strerror(errno));
}
@@ -1652,7 +1526,7 @@ csihandle(void)
break;
case 'c': /* DA -- Device Attributes */
if (csiescseq.arg[0] == 0)
- ttywrite(vtiden, sizeof(vtiden) - 1);
+ ttywrite(vtiden, strlen(vtiden));
break;
case 'C': /* CUF -- Cursor <n> Forward */
case 'a': /* HPR -- Cursor <n> Forward */
@@ -1802,11 +1676,8 @@ csihandle(void)
case ' ':
switch (csiescseq.mode[1]) {
case 'q': /* DECSCUSR -- Set Cursor Style */
- DEFAULT(csiescseq.arg[0], 1);
- if (!BETWEEN(csiescseq.arg[0], 0, 6)) {
+ if (xsetcursor(csiescseq.arg[0]))
goto unknown;
- }
- win.cursor = csiescseq.arg[0];
break;
default:
goto unknown;
@@ -1870,8 +1741,8 @@ strhandle(void)
dec = base64dec(strescseq.args[2]);
if (dec) {
- xsetsel(dec, CurrentTime);
- clipcopy(NULL);
+ xsetsel(dec);
+ xclipcopy();
} else {
fprintf(stderr, "erresc: invalid base64\n");
}
@@ -1976,8 +1847,7 @@ void
tprinter(char *s, size_t len)
{
if (iofd != -1 && xwrite(iofd, s, len) < 0) {
- fprintf(stderr, "Error writing in %s:%s\n",
- opt_io, strerror(errno));
+ perror("Error writing to output file");
close(iofd);
iofd = -1;
}
@@ -1986,14 +1856,11 @@ tprinter(char *s, size_t len)
void
iso14755(const Arg *arg)
{
- unsigned long id = xwinid();
- char cmd[sizeof(ISO14755CMD) + NUMMAXLEN(id)];
FILE *p;
char *us, *e, codepoint[9], uc[UTF_SIZ];
unsigned long utf32;
- snprintf(cmd, sizeof(cmd), ISO14755CMD, id);
- if (!(p = popen(cmd, "r")))
+ if (!(p = popen(ISO14755CMD, "r")))
return;
us = fgets(codepoint, sizeof(codepoint), p);
@@ -2078,22 +1945,6 @@ tputtab(int n)
term.c.x = LIMIT(x, 0, term.col-1);
}
-void
-techo(Rune u)
-{
- if (ISCONTROL(u)) { /* control code */
- if (u & 0x80) {
- u &= 0x7f;
- tputc('^');
- tputc('[');
- } else if (u != '\n' && u != '\r' && u != '\t') {
- u ^= 0x40;
- tputc('^');
- }
- }
- tputc(u);
-}
-
void
tdefutf8(char ascii)
{
@@ -2178,10 +2029,7 @@ tcontrolcode(uchar ascii)
/* backwards compatibility to xterm */
strhandle();
} else {
- if (!(win.state & WIN_FOCUSED))
- xseturgency(1);
- if (bellvolume)
- xbell(bellvolume);
+ xbell();
}
break;
case '\033': /* ESC */
@@ -2237,7 +2085,7 @@ tcontrolcode(uchar ascii)
case 0x99: /* TODO: SGCI */
break;
case 0x9a: /* DECID -- Identify Terminal */
- ttywrite(vtiden, sizeof(vtiden) - 1);
+ ttywrite(vtiden, strlen(vtiden));
break;
case 0x9b: /* TODO: CSI */
case 0x9c: /* TODO: ST */
@@ -2309,7 +2157,7 @@ eschandle(uchar ascii)
}
break;
case 'Z': /* DECID -- Identify Terminal */
- ttywrite(vtiden, sizeof(vtiden) - 1);
+ ttywrite(vtiden, strlen(vtiden));
break;
case 'c': /* RIS -- Reset to inital state */
treset();
@@ -2487,6 +2335,38 @@ check_control_code:
}
}
+int
+twrite(const char *buf, int buflen, int show_ctrl)
+{
+ int charsize;
+ Rune u;
+ int n;
+
+ for (n = 0; n < buflen; n += charsize) {
+ if (IS_SET(MODE_UTF8) && !IS_SET(MODE_SIXEL)) {
+ /* process a complete utf8 char */
+ charsize = utf8decode(buf + n, &u, buflen - n);
+ if (charsize == 0)
+ break;
+ } else {
+ u = buf[n] & 0xFF;
+ charsize = 1;
+ }
+ if (show_ctrl && ISCONTROL(u)) {
+ if (u & 0x80) {
+ u &= 0x7f;
+ tputc('^');
+ tputc('[');
+ } else if (u != '\n' && u != '\r' && u != '\t') {
+ u ^= 0x40;
+ tputc('^');
+ }
+ }
+ tputc(u);
+ }
+ return n;
+}
+
void
tresize(int col, int row)
{
@@ -2521,9 +2401,6 @@ tresize(int col, int row)
free(term.alt[i]);
}
- /* resize to new width */
- term.specbuf = xrealloc(term.specbuf, col * sizeof(GlyphFontSpec));
-
/* resize to new height */
term.line = xrealloc(term.line, row * sizeof(Line));
term.alt = xrealloc(term.alt, row * sizeof(Line));
@@ -2572,41 +2449,10 @@ tresize(int col, int row)
term.c = c;
}
-void
-zoom(const Arg *arg)
-{
- Arg larg;
-
- larg.f = usedfontsize + arg->f;
- zoomabs(&larg);
-}
-
-void
-zoomabs(const Arg *arg)
-{
- xunloadfonts();
- xloadfonts(usedfont, arg->f);
- cresize(0, 0);
- ttyresize();
- redraw();
- xhints();
-}
-
-void
-zoomreset(const Arg *arg)
-{
- Arg larg;
-
- if (defaultfontsize > 0) {
- larg.f = defaultfontsize;
- zoomabs(&larg);
- }
-}
-
void
resettitle(void)
{
- xsettitle(opt_title ? opt_title : "st");
+ xsettitle(NULL);
}
void
@@ -2616,84 +2462,8 @@ redraw(void)
draw();
}
-int
-match(uint mask, uint state)
-{
- return mask == XK_ANY_MOD || mask == (state & ~ignoremod);
-}
-
void
numlock(const Arg *dummy)
{
term.numlock ^= 1;
}
-
-char*
-kmap(KeySym k, uint state)
-{
- Key *kp;
- int i;
-
- /* Check for mapped keys out of X11 function keys. */
- for (i = 0; i < LEN(mappedkeys); i++) {
- if (mappedkeys[i] == k)
- break;
- }
- if (i == LEN(mappedkeys)) {
- if ((k & 0xFFFF) < 0xFD00)
- return NULL;
- }
-
- for (kp = key; kp < key + LEN(key); kp++) {
- if (kp->k != k)
- continue;
-
- if (!match(kp->mask, state))
- continue;
-
- if (IS_SET(MODE_APPKEYPAD) ? kp->appkey < 0 : kp->appkey > 0)
- continue;
- if (term.numlock && kp->appkey == 2)
- continue;
-
- if (IS_SET(MODE_APPCURSOR) ? kp->appcursor < 0 : kp->appcursor > 0)
- continue;
-
- if (IS_SET(MODE_CRLF) ? kp->crlf < 0 : kp->crlf > 0)
- continue;
-
- return kp->s;
- }
-
- return NULL;
-}
-
-void
-cresize(int width, int height)
-{
- int col, row;
-
- if (width != 0)
- win.w = width;
- if (height != 0)
- win.h = height;
-
- col = (win.w - 2 * borderpx) / win.cw;
- row = (win.h - 2 * borderpx) / win.ch;
-
- tresize(col, row);
- xresize(col, row);
-}
-
-void
-usage(void)
-{
- die("usage: %s [-aiv] [-c class] [-f font] [-g geometry]"
- " [-n name] [-o file]\n"
- " [-T title] [-t title] [-w windowid]"
- " [[-e] command [args ...]]\n"
- " %s [-aiv] [-c class] [-f font] [-g geometry]"
- " [-n name] [-o file]\n"
- " [-T title] [-t title] [-w windowid] -l line"
- " [stty_args ...]\n", argv0, argv0);
-}