X-Git-Url: https://git.xinqibao.xyz/st.git/blobdiff_plain/cdb3b1892af40110660da8c3f6fc06b1b054fd12..84f6dbffa5a26e1a2f94f844844d76f80dd6c5a0:/st.c?ds=inline
diff --git a/st.c b/st.c
index cad61bf..f91eb8d 100644
--- a/st.c
+++ b/st.c
@@ -36,10 +36,6 @@ char *argv0;
#define Glyph Glyph_
#define Font Font_
-#define Draw XftDraw *
-#define Colour XftColor
-#define Colourmap Colormap
-#define Rectangle XRectangle
#if defined(__linux)
#include <pty.h>
@@ -55,6 +51,7 @@ char *argv0;
#define XEMBED_FOCUS_OUT 5
/* Arbitrary sizes */
+#define UTF_INVALID 0xFFFD
#define UTF_SIZ 4
#define ESC_BUF_SIZ (128*UTF_SIZ)
#define ESC_ARG_SIZ 16
@@ -68,10 +65,9 @@ char *argv0;
#define REDRAW_TIMEOUT (80*1000) /* 80 ms */
/* macros */
-#define SERRNO strerror(errno)
#define MIN(a, b) ((a) < (b) ? (a) : (b))
#define MAX(a, b) ((a) < (b) ? (b) : (a))
-#define LEN(a) (sizeof(a) / sizeof(a[0]))
+#define LEN(a) (sizeof(a) / sizeof(a)[0])
#define DEFAULT(a, b) (a) = (a) ? (a) : (b)
#define BETWEEN(x, a, b) ((a) <= (x) && (x) <= (b))
#define LIMIT(x, a, b) (x) = (x) < (a) ? (a) : (x) > (b) ? (b) : (x)
@@ -79,6 +75,7 @@ char *argv0;
#define IS_SET(flag) ((term.mode & (flag)) != 0)
#define TIMEDIFF(t1, t2) ((t1.tv_sec-t2.tv_sec)*1000 + (t1.tv_usec-t2.tv_usec)/1000)
#define CEIL(x) (((x) != (int) (x)) ? (x) + 1 : (x))
+#define MODBIT(x, set, bit) ((set) ? ((x) |= (bit)) : ((x) &= ~(bit)))
#define TRUECOLOR(r,g,b) (1 << 24 | (r) << 16 | (g) << 8 | (b))
#define IS_TRUECOL(x) (1 << 24 & (x))
@@ -134,6 +131,7 @@ enum term_mode {
MODE_MOUSEX10 = 131072,
MODE_MOUSEMANY = 262144,
MODE_BRCKTPASTE = 524288,
+ MODE_PRINT = 1048576,
MODE_MOUSE = MODE_MOUSEBTN|MODE_MOUSEMOTION|MODE_MOUSEX10\
|MODE_MOUSEMANY,
};
@@ -178,6 +176,10 @@ typedef unsigned int uint;
typedef unsigned long ulong;
typedef unsigned short ushort;
+typedef XftDraw *Draw;
+typedef XftColor Colour;
+typedef Colormap Colourmap;
+
typedef struct {
char c[UTF_SIZ]; /* character code */
ushort mode; /* attribute flags */
@@ -248,7 +250,8 @@ typedef struct {
XSetWindowAttributes attrs;
int scr;
bool isfixed; /* is fixed geometry? */
- int fx, fy, fw, fh; /* fixed geometry */
+ int l, t; /* left and top offset */
+ int gm; /* geometry mask */
int tw, th; /* tty width and height */
int w, h; /* window width and height */
int ch; /* char height */
@@ -296,13 +299,13 @@ typedef struct {
typedef union {
int i;
- unsigned int ui;
+ uint ui;
float f;
const void *v;
} Arg;
typedef struct {
- unsigned int mod;
+ uint mod;
KeySym keysym;
void (*func)(const Arg *);
const Arg arg;
@@ -313,6 +316,9 @@ static void clippaste(const Arg *);
static void numlock(const Arg *);
static void selpaste(const Arg *);
static void xzoom(const Arg *);
+static void printsel(const Arg *);
+static void printscreen(const Arg *) ;
+static void toggleprinter(const Arg *);
/* Config.h for applying patches and the configuration. */
#include "config.h"
@@ -355,6 +361,10 @@ static void strparse(void);
static void strreset(void);
static int tattrset(int);
+static void tprinter(char *, size_t);
+static void tdumpsel(void);
+static void tdumpline(int);
+static void tdump(void);
static void tclearregion(int, int, int, int);
static void tcursor(int);
static void tdeletechar(int);
@@ -362,16 +372,16 @@ static void tdeleteline(int);
static void tinsertblank(int);
static void tinsertblankline(int);
static void tmoveto(int, int);
-static void tmoveato(int x, int y);
+static void tmoveato(int, int);
static void tnew(int, int);
static void tnewline(int);
-static void tputtab(bool);
+static void tputtab(int);
static void tputc(char *, int);
static void treset(void);
static int tresize(int, int);
static void tscrollup(int, int);
static void tscrolldown(int, int);
-static void tsetattr(int*, int);
+static void tsetattr(int *, int);
static void tsetchar(char *, Glyph *, int, int);
static void tsetscroll(int, int);
static void tswapscreen(void);
@@ -397,6 +407,7 @@ static void xdrawcursor(void);
static void xinit(void);
static void xloadcols(void);
static int xsetcolorname(int, const char *);
+static int xgeommasktogravity(int);
static int xloadfont(Font *, FcPattern *);
static void xloadfonts(char *, double);
static int xloadfontset(Font *);
@@ -404,9 +415,9 @@ static void xsettitle(char *);
static void xresettitle(void);
static void xsetpointermotion(int);
static void xseturgency(int);
-static void xsetsel(char*);
+static void xsetsel(char *);
static void xtermclear(int, int, int, int);
-static void xunloadfont(Font *f);
+static void xunloadfont(Font *);
static void xunloadfonts(void);
static void xresize(int, int);
@@ -429,19 +440,22 @@ static void selrequest(XEvent *);
static void selinit(void);
static void selsort(void);
static inline bool selected(int, int);
+static char *getsel(void);
static void selcopy(void);
static void selscroll(int, int);
static void selsnap(int, int *, int *, int);
-static int utf8decode(char *, long *);
-static int utf8encode(long *, char *);
-static int utf8size(char *);
-static int isfullutf8(char *, int);
+static size_t utf8decode(char *, long *, size_t);
+static long utf8decodebyte(char, size_t *);
+static size_t utf8encode(long, char *, size_t);
+static char utf8encodebyte(long, size_t);
+static size_t utf8len(char *);
+static size_t utf8validate(long *, size_t);
-static ssize_t xwrite(int, char *, size_t);
+static ssize_t xwrite(int, const char *, size_t);
static void *xmalloc(size_t);
static void *xrealloc(void *, size_t);
-static char *xstrdup(char *s);
+static char *xstrdup(char *);
static void (*handler[LASTEvent])(XEvent *) = {
[KeyPress] = kpress,
@@ -469,7 +483,7 @@ static STREscape strescseq;
static int cmdfd;
static pid_t pid;
static Selection sel;
-static int iofd = -1;
+static int iofd = STDOUT_FILENO;
static char **opt_cmd = NULL;
static char *opt_io = NULL;
static char *opt_title = NULL;
@@ -481,6 +495,11 @@ static int oldbutton = 3; /* button event on startup: 3 = release */
static char *usedfont = NULL;
static double usedfontsize = 0;
+static uchar utfbyte[UTF_SIZ + 1] = {0x80, 0, 0xC0, 0xE0, 0xF0};
+static uchar utfmask[UTF_SIZ + 1] = {0xC0, 0x80, 0xE0, 0xF0, 0xF8};
+static long utfmin[UTF_SIZ + 1] = { 0, 0, 0x80, 0x800, 0x10000};
+static long utfmax[UTF_SIZ + 1] = {0x10FFFF, 0x7F, 0x7FF, 0xFFFF, 0x10FFFF};
+
/* Font Ring Cache */
enum {
FRC_NORMAL,
@@ -499,7 +518,7 @@ static Fontcache frc[16];
static int frclen = 0;
ssize_t
-xwrite(int fd, char *s, size_t len) {
+xwrite(int fd, const char *s, size_t len) {
size_t aux = len;
while(len > 0) {
@@ -532,136 +551,75 @@ xrealloc(void *p, size_t len) {
char *
xstrdup(char *s) {
- char *p = strdup(s);
-
- if (!p)
+ if((s = strdup(s)) == NULL)
die("Out of memory\n");
- return p;
+ return s;
}
-int
-utf8decode(char *s, long *u) {
- uchar c;
- int i, n, rtn;
-
- rtn = 1;
- c = *s;
- if(~c & 0x80) { /* 0xxxxxxx */
- *u = c;
- return rtn;
- } else if((c & 0xE0) == 0xC0) { /* 110xxxxx */
- *u = c & 0x1F;
- n = 1;
- } else if((c & 0xF0) == 0xE0) { /* 1110xxxx */
- *u = c & 0x0F;
- n = 2;
- } else if((c & 0xF8) == 0xF0) { /* 11110xxx */
- *u = c & 0x07;
- n = 3;
- } else {
- goto invalid;
- }
+size_t
+utf8decode(char *c, long *u, size_t clen) {
+ size_t i, j, len, type;
+ long udecoded;
- for(i = n, ++s; i > 0; --i, ++rtn, ++s) {
- c = *s;
- if((c & 0xC0) != 0x80) /* 10xxxxxx */
- goto invalid;
- *u <<= 6;
- *u |= c & 0x3F;
- }
-
- if((n == 1 && *u < 0x80) ||
- (n == 2 && *u < 0x800) ||
- (n == 3 && *u < 0x10000) ||
- (*u >= 0xD800 && *u <= 0xDFFF)) {
- goto invalid;
- }
-
- return rtn;
-invalid:
- *u = 0xFFFD;
-
- return rtn;
-}
-
-int
-utf8encode(long *u, char *s) {
- uchar *sp;
- ulong uc;
- int i, n;
-
- sp = (uchar *)s;
- uc = *u;
- if(uc < 0x80) {
- *sp = uc; /* 0xxxxxxx */
+ *u = UTF_INVALID;
+ if(!clen)
+ return 0;
+ udecoded = utf8decodebyte(c[0], &len);
+ if(!BETWEEN(len, 1, UTF_SIZ))
return 1;
- } else if(*u < 0x800) {
- *sp = (uc >> 6) | 0xC0; /* 110xxxxx */
- n = 1;
- } else if(uc < 0x10000) {
- *sp = (uc >> 12) | 0xE0; /* 1110xxxx */
- n = 2;
- } else if(uc <= 0x10FFFF) {
- *sp = (uc >> 18) | 0xF0; /* 11110xxx */
- n = 3;
- } else {
- goto invalid;
+ for(i = 1, j = 1; i < clen && j < len; ++i, ++j) {
+ udecoded = (udecoded << 6) | utf8decodebyte(c[i], &type);
+ if(type != 0)
+ return j;
}
+ if(j < len)
+ return 0;
+ *u = udecoded;
+ utf8validate(u, len);
+ return len;
+}
- for(i=n,++sp; i>0; --i,++sp)
- *sp = ((uc >> 6*(i-1)) & 0x3F) | 0x80; /* 10xxxxxx */
-
- return n+1;
-invalid:
- /* U+FFFD */
- *s++ = '\xEF';
- *s++ = '\xBF';
- *s = '\xBD';
-
- return 3;
+long
+utf8decodebyte(char c, size_t *i) {
+ for(*i = 0; *i < LEN(utfmask); ++(*i))
+ if(((uchar)c & utfmask[*i]) == utfbyte[*i])
+ return (uchar)c & ~utfmask[*i];
+ return 0;
}
-/* use this if your buffer is less than UTF_SIZ, it returns 1 if you can decode
- UTF-8 otherwise return 0 */
-int
-isfullutf8(char *s, int b) {
- uchar *c1, *c2, *c3;
+size_t
+utf8encode(long u, char *c, size_t clen) {
+ size_t len, i;
- c1 = (uchar *)s;
- c2 = (uchar *)++s;
- c3 = (uchar *)++s;
- if(b < 1) {
- return 0;
- } else if((*c1 & 0xE0) == 0xC0 && b == 1) {
+ len = utf8validate(&u, 0);
+ if(clen < len)
return 0;
- } else if((*c1 & 0xF0) == 0xE0 &&
- ((b == 1) ||
- ((b == 2) && (*c2 & 0xC0) == 0x80))) {
- return 0;
- } else if((*c1 & 0xF8) == 0xF0 &&
- ((b == 1) ||
- ((b == 2) && (*c2 & 0xC0) == 0x80) ||
- ((b == 3) && (*c2 & 0xC0) == 0x80 && (*c3 & 0xC0) == 0x80))) {
- return 0;
- } else {
- return 1;
+ for(i = len - 1; i != 0; --i) {
+ c[i] = utf8encodebyte(u, 0);
+ u >>= 6;
}
+ c[0] = utf8encodebyte(u, len);
+ return len;
}
-int
-utf8size(char *s) {
- uchar c = *s;
+char
+utf8encodebyte(long u, size_t i) {
+ return utfbyte[i] | (u & ~utfmask[i]);
+}
- if(~c & 0x80) {
- return 1;
- } else if((c & 0xE0) == 0xC0) {
- return 2;
- } else if((c & 0xF0) == 0xE0) {
- return 3;
- } else {
- return 4;
- }
+size_t
+utf8len(char *c) {
+ return utf8decode(c, &(long){0}, UTF_SIZ);
+}
+
+size_t
+utf8validate(long *u, size_t i) {
+ if(!BETWEEN(*u, utfmin[i], utfmax[i]) || BETWEEN(*u, 0xD800, 0xDFFF))
+ *u = UTF_INVALID;
+ for(i = 1; *u > utfmax[i]; ++i)
+ ;
+ return i;
}
static void
@@ -949,8 +907,8 @@ bpress(XEvent *e) {
}
}
-void
-selcopy(void) {
+char *
+getsel(void) {
char *str, *ptr;
int x, y, bufsize, size, i, ex;
Glyph *gp, *last;
@@ -975,7 +933,7 @@ selcopy(void) {
if(!selected(x, y) || (gp->mode & ATTR_WDUMMY))
continue;
- size = utf8size(gp->c);
+ size = utf8len(gp->c);
memcpy(ptr, gp->c, size);
ptr += size;
}
@@ -1009,7 +967,12 @@ selcopy(void) {
}
*ptr = 0;
}
- xsetsel(str);
+ return str;
+}
+
+void
+selcopy(void) {
+ xsetsel(getsel());
}
void
@@ -1029,7 +992,7 @@ selnotify(XEvent *e) {
}
/*
- * As seen in selcopy:
+ * As seen in getsel:
* Line endings are inconsistent in the terminal and GUI world
* copy and pasting. When receiving some selection data,
* replace all '\n' with '\r'.
@@ -1218,7 +1181,7 @@ sigchld(int a) {
int stat = 0;
if(waitpid(pid, &stat, 0) < 0)
- die("Waiting for pid %hd failed: %s\n", pid, SERRNO);
+ die("Waiting for pid %hd failed: %s\n", pid, strerror(errno));
if(WIFEXITED(stat)) {
exit(WEXITSTATUS(stat));
@@ -1234,7 +1197,7 @@ ttynew(void) {
/* seems to work fine on linux, openbsd and freebsd */
if(openpty(&m, &s, NULL, NULL, &w) < 0)
- die("openpty failed: %s\n", SERRNO);
+ die("openpty failed: %s\n", strerror(errno));
switch(pid = fork()) {
case -1:
@@ -1246,7 +1209,7 @@ ttynew(void) {
dup2(s, STDOUT_FILENO);
dup2(s, STDERR_FILENO);
if(ioctl(s, TIOCSCTTY, NULL) < 0)
- die("ioctl TIOCSCTTY failed: %s\n", SERRNO);
+ die("ioctl TIOCSCTTY failed: %s\n", strerror(errno));
close(s);
close(m);
execsh();
@@ -1256,6 +1219,7 @@ ttynew(void) {
cmdfd = m;
signal(SIGCHLD, sigchld);
if(opt_io) {
+ term.mode |= MODE_PRINT;
iofd = (!strcmp(opt_io, "-")) ?
STDOUT_FILENO :
open(opt_io, O_WRONLY | O_CREAT, 0666);
@@ -1283,19 +1247,18 @@ ttyread(void) {
char *ptr;
char s[UTF_SIZ];
int charsize; /* size of utf8 char in bytes */
- long utf8c;
+ long unicodep;
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", SERRNO);
+ die("Couldn't read from shell: %s\n", strerror(errno));
/* process every complete utf8 char */
buflen += ret;
ptr = buf;
- while(buflen >= UTF_SIZ || isfullutf8(ptr,buflen)) {
- charsize = utf8decode(ptr, &utf8c);
- utf8encode(&utf8c, s);
+ while((charsize = utf8decode(ptr, &unicodep, buflen))) {
+ utf8encode(unicodep, s, UTF_SIZ);
tputc(s, charsize);
ptr += charsize;
buflen -= charsize;
@@ -1307,8 +1270,8 @@ ttyread(void) {
void
ttywrite(const char *s, size_t n) {
- if(write(cmdfd, s, n) == -1)
- die("write error on tty: %s\n", SERRNO);
+ if(xwrite(cmdfd, s, n) == -1)
+ die("write error on tty: %s\n", strerror(errno));
}
void
@@ -1327,7 +1290,7 @@ ttyresize(void) {
w.ws_xpixel = xw.tw;
w.ws_ypixel = xw.th;
if(ioctl(cmdfd, TIOCSWINSZ, &w) < 0)
- fprintf(stderr, "Couldn't set window size: %s\n", SERRNO);
+ fprintf(stderr, "Couldn't set window size: %s\n", strerror(errno));
}
int
@@ -1437,15 +1400,13 @@ tscrolldown(int orig, int n) {
LIMIT(n, 0, term.bot-orig+1);
+ tsetdirt(orig, term.bot-n);
tclearregion(0, term.bot-n+1, term.col-1, term.bot);
for(i = term.bot; i >= orig+n; i--) {
temp = term.line[i];
term.line[i] = term.line[i-n];
term.line[i-n] = temp;
-
- term.dirty[i] = 1;
- term.dirty[i-n] = 1;
}
selscroll(orig, n);
@@ -1455,17 +1416,16 @@ void
tscrollup(int orig, int n) {
int i;
Line temp;
+
LIMIT(n, 0, term.bot-orig+1);
tclearregion(0, orig, term.col-1, orig+n-1);
+ tsetdirt(orig+n, term.bot);
for(i = orig; i <= term.bot-n; i++) {
- temp = term.line[i];
- term.line[i] = term.line[i+n];
- term.line[i+n] = temp;
-
- term.dirty[i] = 1;
- term.dirty[i+n] = 1;
+ temp = term.line[i];
+ term.line[i] = term.line[i+n];
+ term.line[i+n] = temp;
}
selscroll(orig, -n);
@@ -1581,8 +1541,7 @@ tsetchar(char *c, Glyph *attr, int x, int y) {
* The table is proudly stolen from rxvt.
*/
if(attr->mode & ATTR_GFX) {
- if(c[0] >= 0x41 && c[0] <= 0x7e
- && vt100_0[c[0] - 0x41]) {
+ if(BETWEEN(c[0], 0x41, 0x7e) && vt100_0[c[0] - 0x41]) {
c = vt100_0[c[0] - 0x41];
}
}
@@ -1629,54 +1588,46 @@ tclearregion(int x1, int y1, int x2, int y2) {
void
tdeletechar(int n) {
- int src = term.c.x + n;
- int dst = term.c.x;
- int size = term.col - src;
+ int dst, src, size;
+ Glyph *line;
- term.dirty[term.c.y] = 1;
+ LIMIT(n, 0, term.col - term.c.x);
- if(src >= term.col) {
- tclearregion(term.c.x, term.c.y, term.col-1, term.c.y);
- return;
- }
+ dst = term.c.x;
+ src = term.c.x + n;
+ size = term.col - src;
+ line = term.line[term.c.y];
- memmove(&term.line[term.c.y][dst], &term.line[term.c.y][src],
- size * sizeof(Glyph));
+ memmove(&line[dst], &line[src], size * sizeof(Glyph));
tclearregion(term.col-n, term.c.y, term.col-1, term.c.y);
}
void
tinsertblank(int n) {
- int src = term.c.x;
- int dst = src + n;
- int size = term.col - dst;
+ int dst, src, size;
+ Glyph *line;
- term.dirty[term.c.y] = 1;
+ LIMIT(n, 0, term.col - term.c.x);
- if(dst >= term.col) {
- tclearregion(term.c.x, term.c.y, term.col-1, term.c.y);
- return;
- }
+ dst = term.c.x + n;
+ src = term.c.x;
+ size = term.col - dst;
+ line = term.line[term.c.y];
- memmove(&term.line[term.c.y][dst], &term.line[term.c.y][src],
- size * sizeof(Glyph));
+ memmove(&line[dst], &line[src], size * sizeof(Glyph));
tclearregion(src, term.c.y, dst - 1, term.c.y);
}
void
tinsertblankline(int n) {
- if(term.c.y < term.top || term.c.y > term.bot)
- return;
-
- tscrolldown(term.c.y, n);
+ if(BETWEEN(term.c.y, term.top, term.bot))
+ tscrolldown(term.c.y, n);
}
void
tdeleteline(int n) {
- if(term.c.y < term.top || term.c.y > term.bot)
- return;
-
- tscrollup(term.c.y, n);
+ if(BETWEEN(term.c.y, term.top, term.bot))
+ tscrollup(term.c.y, n);
}
int32_t
@@ -1822,8 +1773,6 @@ tsetscroll(int t, int b) {
term.bot = b;
}
-#define MODBIT(x, set, bit) ((set) ? ((x) |= (bit)) : ((x) &= ~(bit)))
-
void
tsetmode(bool priv, bool set, int *args, int narg) {
int *lim, mode;
@@ -1832,7 +1781,6 @@ tsetmode(bool priv, bool set, int *args, int narg) {
for(lim = args + narg; args < lim; ++args) {
if(priv) {
switch(*args) {
- break;
case 1: /* DECCKM -- Cursor key */
MODBIT(term.mode, set, MODE_APPCURSOR);
break;
@@ -1892,7 +1840,10 @@ tsetmode(bool priv, bool set, int *args, int narg) {
MODBIT(term.mode, set, MODE_8BIT);
break;
case 1049: /* swap screen & set/restore cursor as xterm */
+ if (!allowaltscreen)
+ break;
tcursor((set) ? CURSOR_SAVE : CURSOR_LOAD);
+ /* FALLTHRU */
case 47: /* swap screen */
case 1047:
if (!allowaltscreen)
@@ -1979,6 +1930,25 @@ csihandle(void) {
DEFAULT(csiescseq.arg[0], 1);
tmoveto(term.c.x, term.c.y+csiescseq.arg[0]);
break;
+ case 'i': /* MC -- Media Copy */
+ switch(csiescseq.arg[0]) {
+ case 0:
+ tdump();
+ break;
+ case 1:
+ tdumpline(term.c.y);
+ break;
+ case 2:
+ tdumpsel();
+ break;
+ case 4:
+ term.mode &= ~MODE_PRINT;
+ break;
+ case 5:
+ term.mode |= MODE_PRINT;
+ break;
+ }
+ break;
case 'c': /* DA -- Device Attributes */
if(csiescseq.arg[0] == 0)
ttywrite(VT102ID, sizeof(VT102ID) - 1);
@@ -2025,8 +1995,7 @@ csihandle(void) {
break;
case 'I': /* CHT -- Cursor Forward Tabulation <n> tab stops */
DEFAULT(csiescseq.arg[0], 1);
- while(csiescseq.arg[0]--)
- tputtab(1);
+ tputtab(csiescseq.arg[0]);
break;
case 'J': /* ED -- Clear screen */
selclear(NULL);
@@ -2094,8 +2063,7 @@ csihandle(void) {
break;
case 'Z': /* CBT -- Cursor Backward Tabulation <n> tab stops */
DEFAULT(csiescseq.arg[0], 1);
- while(csiescseq.arg[0]--)
- tputtab(0);
+ tputtab(-csiescseq.arg[0]);
break;
case 'd': /* VPA -- Move to <row> */
DEFAULT(csiescseq.arg[0], 1);
@@ -2252,19 +2220,75 @@ strreset(void) {
}
void
-tputtab(bool forward) {
+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));
+ close(iofd);
+ iofd = -1;
+ }
+}
+
+void
+toggleprinter(const Arg *arg) {
+ term.mode ^= MODE_PRINT;
+}
+
+void
+printscreen(const Arg *arg) {
+ tdump();
+}
+
+void
+printsel(const Arg *arg) {
+ tdumpsel();
+}
+
+void
+tdumpsel(void) {
+ char *ptr;
+
+ if((ptr = getsel())) {
+ tprinter(ptr, strlen(ptr));
+ free(ptr);
+ }
+}
+
+void
+tdumpline(int n) {
+ Glyph *bp, *end;
+
+ bp = &term.line[n][0];
+ end = &bp[term.col-1];
+ while(end > bp && !strcmp(" ", end->c))
+ --end;
+ if(bp != end || strcmp(bp->c, " ")) {
+ for( ;bp <= end; ++bp)
+ tprinter(bp->c, strlen(bp->c));
+ }
+ tprinter("\n", 1);
+}
+
+void
+tdump(void) {
+ int i;
+
+ for(i = 0; i < term.row; ++i)
+ tdumpline(i);
+}
+
+void
+tputtab(int n) {
uint x = term.c.x;
- if(forward) {
- if(x == term.col)
- return;
- for(++x; x < term.col && !term.tabs[x]; ++x)
- /* nothing */ ;
- } else {
- if(x == 0)
- return;
- for(--x; x > 0 && !term.tabs[x]; --x)
- /* nothing */ ;
+ if(n > 0) {
+ while(x < term.col && n--)
+ for(++x; x < term.col && !term.tabs[x]; ++x)
+ /* nothing */ ;
+ } else if(n < 0) {
+ while(x > 0 && n++)
+ for(--x; x > 0 && !term.tabs[x]; --x)
+ /* nothing */ ;
}
tmoveto(x, term.c.y);
}
@@ -2274,12 +2298,9 @@ techo(char *buf, int len) {
for(; len > 0; buf++, len--) {
char c = *buf;
- if(c == '\033') { /* escape */
- tputc("^", 1);
- tputc("[", 1);
- } else if(c < '\x20') { /* control code */
+ if(c < 0x20 || c == 0177) { /* control code */
if(c != '\n' && c != '\r' && c != '\t') {
- c |= '\x40';
+ c ^= '\x40';
tputc("^", 1);
}
tputc(&c, 1);
@@ -2312,34 +2333,27 @@ tdeftran(char ascii) {
void
tselcs(void) {
- if (term.trantbl[term.charset] == CS_GRAPHIC0)
- term.c.attr.mode |= ATTR_GFX;
- else
- term.c.attr.mode &= ~ATTR_GFX;
+ MODBIT(term.c.attr.mode,
+ term.trantbl[term.charset] == CS_GRAPHIC0,
+ ATTR_GFX);
}
void
tputc(char *c, int len) {
uchar ascii = *c;
bool control = ascii < '\x20' || ascii == 0177;
- long u8char;
+ long unicodep;
int width;
if(len == 1) {
width = 1;
} else {
- utf8decode(c, &u8char);
- width = wcwidth(u8char);
+ utf8decode(c, &unicodep, UTF_SIZ);
+ width = wcwidth(unicodep);
}
- if(iofd != -1) {
- if(xwrite(iofd, c, len) < 0) {
- fprintf(stderr, "Error writing in %s:%s\n",
- opt_io, strerror(errno));
- close(iofd);
- iofd = -1;
- }
- }
+ if(IS_SET(MODE_PRINT))
+ tprinter(c, len);
/*
* STR sequences must be checked before anything else
@@ -2659,7 +2673,9 @@ tresize(int col, int row) {
if(0 < col && minrow < row) {
tclearregion(0, minrow, col - 1, row - 1);
}
+ tcursor(CURSOR_SAVE);
tswapscreen();
+ tcursor(CURSOR_LOAD);
} while(orig != term.line);
return (slide > 0);
@@ -2732,10 +2748,10 @@ int
xsetcolorname(int x, const char *name) {
XRenderColor color = { .alpha = 0xffff };
Colour colour;
- if (x < 0 || x > LEN(colorname))
+ if(!BETWEEN(x, 0, LEN(colorname)))
return -1;
if(!name) {
- if(16 <= x && x < 16 + 216) {
+ if(BETWEEN(x, 16, 16 + 215)) {
int r = (x - 16) / 36, g = ((x - 16) % 36) / 6, b = (x - 16) % 6;
color.red = sixd_to_16bit(r);
color.green = sixd_to_16bit(g);
@@ -2744,7 +2760,7 @@ xsetcolorname(int x, const char *name) {
return 0; /* something went wrong */
dc.col[x] = colour;
return 1;
- } else if (16 + 216 <= x && x < 256) {
+ } else if(BETWEEN(x, 16 + 216, 255)) {
color.red = color.green = color.blue = 0x0808 + 0x0a0a * (x - (16 + 216));
if(!XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &color, &colour))
return 0; /* something went wrong */
@@ -2787,24 +2803,44 @@ xhints(void) {
XSizeHints *sizeh = NULL;
sizeh = XAllocSizeHints();
- if(xw.isfixed == False) {
- sizeh->flags = PSize | PResizeInc | PBaseSize;
- sizeh->height = xw.h;
- sizeh->width = xw.w;
- sizeh->height_inc = xw.ch;
- sizeh->width_inc = xw.cw;
- sizeh->base_height = 2 * borderpx;
- sizeh->base_width = 2 * borderpx;
- } else {
- sizeh->flags = PMaxSize | PMinSize;
- sizeh->min_width = sizeh->max_width = xw.fw;
- sizeh->min_height = sizeh->max_height = xw.fh;
- }
- XSetWMProperties(xw.dpy, xw.win, NULL, NULL, NULL, 0, sizeh, &wm, &class);
+ sizeh->flags = PSize | PResizeInc | PBaseSize;
+ sizeh->height = xw.h;
+ sizeh->width = xw.w;
+ sizeh->height_inc = xw.ch;
+ sizeh->width_inc = xw.cw;
+ sizeh->base_height = 2 * borderpx;
+ sizeh->base_width = 2 * borderpx;
+ if(xw.isfixed == True) {
+ sizeh->flags |= PMaxSize | PMinSize;
+ sizeh->min_width = sizeh->max_width = xw.w;
+ sizeh->min_height = sizeh->max_height = xw.h;
+ }
+ if(xw.gm & (XValue|YValue)) {
+ sizeh->flags |= USPosition | PWinGravity;
+ sizeh->x = xw.l;
+ sizeh->y = xw.t;
+ sizeh->win_gravity = xgeommasktogravity(xw.gm);
+ }
+
+ XSetWMProperties(xw.dpy, xw.win, NULL, NULL, NULL, 0, sizeh, &wm,
+ &class);
XFree(sizeh);
}
+int
+xgeommasktogravity(int mask) {
+ switch(mask & (XNegative|YNegative)) {
+ case 0:
+ return NorthWestGravity;
+ case XNegative:
+ return NorthEastGravity;
+ case YNegative:
+ return SouthWestGravity;
+ }
+ return SouthEastGravity;
+}
+
int
xloadfont(Font *f, FcPattern *pattern) {
FcPattern *match;
@@ -2950,7 +2986,6 @@ xinit(void) {
XGCValues gcvalues;
Cursor cursor;
Window parent;
- int sw, sh;
pid_t thispid = getpid();
if(!(xw.dpy = XOpenDisplay(NULL)))
@@ -2970,23 +3005,12 @@ xinit(void) {
xloadcols();
/* adjust fixed window geometry */
- if(xw.isfixed) {
- sw = DisplayWidth(xw.dpy, xw.scr);
- sh = DisplayHeight(xw.dpy, xw.scr);
- if(xw.fx < 0)
- xw.fx = sw + xw.fx - xw.fw - 1;
- if(xw.fy < 0)
- xw.fy = sh + xw.fy - xw.fh - 1;
-
- xw.h = xw.fh;
- xw.w = xw.fw;
- } else {
- /* window - default size */
- xw.h = 2 * borderpx + term.row * xw.ch;
- xw.w = 2 * borderpx + term.col * xw.cw;
- xw.fx = 0;
- xw.fy = 0;
- }
+ xw.w = 2 * borderpx + term.col * xw.cw;
+ xw.h = 2 * borderpx + term.row * xw.ch;
+ if(xw.gm & XNegative)
+ xw.l += DisplayWidth(xw.dpy, xw.scr) - xw.w - 2;
+ if(xw.gm & YNegative)
+ xw.t += DisplayWidth(xw.dpy, xw.scr) - xw.h - 2;
/* Events */
xw.attrs.background_pixel = dc.col[defaultbg].pixel;
@@ -2999,7 +3023,7 @@ xinit(void) {
parent = opt_embed ? strtol(opt_embed, NULL, 0) : \
XRootWindow(xw.dpy, xw.scr);
- xw.win = XCreateWindow(xw.dpy, parent, xw.fx, xw.fy,
+ xw.win = XCreateWindow(xw.dpy, parent, xw.l, xw.t,
xw.w, xw.h, 0, XDefaultDepth(xw.dpy, xw.scr), InputOutput,
xw.vis, CWBackPixel | CWBorderPixel | CWBitGravity
| CWEventMask | CWColormap, &xw.attrs);
@@ -3048,12 +3072,12 @@ xinit(void) {
xw.netwmpid = XInternAtom(xw.dpy, "_NET_WM_PID", False);
XChangeProperty(xw.dpy, xw.win, xw.netwmpid, XA_CARDINAL, 32,
- PropModeReplace, (unsigned char *)&thispid, 1);
+ PropModeReplace, (uchar *)&thispid, 1);
xresettitle();
XMapWindow(xw.dpy, xw.win);
xhints();
- XSync(xw.dpy, 0);
+ XSync(xw.dpy, False);
}
void
@@ -3063,7 +3087,7 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
int frcflags;
int u8fl, u8fblen, u8cblen, doesexist;
char *u8c, *u8fs;
- long u8char;
+ long unicodep;
Font *font = &dc.font;
FcResult fcres;
FcPattern *fcpattern, *fontpattern;
@@ -3071,7 +3095,7 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
FcCharSet *fccharset;
Colour *fg, *bg, *temp, revfg, revbg, truefg, truebg;
XRenderColor colfg, colbg;
- Rectangle r;
+ XRectangle r;
int oneatatime;
frcflags = FRC_NORMAL;
@@ -3090,6 +3114,7 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
if(base.fg == defaultfg)
base.fg = defaultunderline;
}
+
if(IS_TRUECOL(base.fg)) {
colfg.alpha = 0xffff;
colfg.red = TRUERED(base.fg);
@@ -3112,8 +3137,6 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
bg = &dc.col[base.bg];
}
-
-
if(base.mode & ATTR_BOLD) {
if(BETWEEN(base.fg, 0, 7)) {
/* basic system colors */
@@ -3143,7 +3166,8 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
colfg.green = ~fg->color.green;
colfg.blue = ~fg->color.blue;
colfg.alpha = fg->color.alpha;
- XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colfg, &revfg);
+ XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colfg,
+ &revfg);
fg = &revfg;
}
@@ -3154,7 +3178,8 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
colbg.green = ~bg->color.green;
colbg.blue = ~bg->color.blue;
colbg.alpha = bg->color.alpha;
- XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colbg, &revbg);
+ XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colbg,
+ &revbg);
bg = &revbg;
}
}
@@ -3205,11 +3230,11 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
oneatatime = font->width != xw.cw;
for(;;) {
u8c = s;
- u8cblen = utf8decode(s, &u8char);
+ u8cblen = utf8decode(s, &unicodep, UTF_SIZ);
s += u8cblen;
bytelen -= u8cblen;
- doesexist = XftCharExists(xw.dpy, font->match, u8char);
+ doesexist = XftCharExists(xw.dpy, font->match, unicodep);
if(oneatatime || !doesexist || bytelen <= 0) {
if(oneatatime || bytelen <= 0) {
if(doesexist) {
@@ -3234,14 +3259,14 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
u8fblen += u8cblen;
}
if(doesexist) {
- if (oneatatime)
+ if(oneatatime)
continue;
break;
}
/* Search the font cache. */
for(i = 0; i < frclen; i++) {
- if(XftCharExists(xw.dpy, frc[i].font, u8char)
+ if(XftCharExists(xw.dpy, frc[i].font, unicodep)
&& frc[i].flags == frcflags) {
break;
}
@@ -3257,11 +3282,13 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
* Nothing was found in the cache. Now use
* some dozen of Fontconfig calls to get the
* font for one single character.
+ *
+ * Xft and fontconfig are design failures.
*/
fcpattern = FcPatternDuplicate(font->pattern);
fccharset = FcCharSetCreate();
- FcCharSetAddChar(fccharset, u8char);
+ FcCharSetAddChar(fccharset, unicodep);
FcPatternAddCharSet(fcpattern, FC_CHARSET,
fccharset);
FcPatternAddBool(fcpattern, FC_SCALABLE,
@@ -3297,9 +3324,15 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
xp, winy + frc[i].font->ascent,
(FcChar8 *)u8c, u8cblen);
- xp += xw.cw * wcwidth(u8char);
+ xp += xw.cw * wcwidth(unicodep);
}
+ /*
+ * This is how the loop above actually should be. Why does the
+ * application have to care about font details?
+ *
+ * I have to repeat: Xft and Fontconfig are design failures.
+ */
/*
XftDrawStringUtf8(xw.draw, fg, font->set, winx,
winy + font->ascent, (FcChar8 *)s, bytelen);
@@ -3334,7 +3367,7 @@ xdrawcursor(void) {
memcpy(g.c, term.line[term.c.y][term.c.x].c, UTF_SIZ);
/* remove the old cursor */
- sl = utf8size(term.line[oldy][oldx].c);
+ sl = utf8len(term.line[oldy][oldx].c);
width = (term.line[oldy][oldx].mode & ATTR_WIDE)? 2 : 1;
xdraws(term.line[oldy][oldx].c, term.line[oldy][oldx], oldx,
oldy, width, sl);
@@ -3348,7 +3381,7 @@ xdrawcursor(void) {
g.bg = defaultfg;
}
- sl = utf8size(g.c);
+ sl = utf8len(g.c);
width = (term.line[term.c.y][curx].mode & ATTR_WIDE)\
? 2 : 1;
xdraws(g.c, g, term.c.x, term.c.y, width, sl);
@@ -3395,7 +3428,6 @@ void
redraw(int timeout) {
struct timespec tv = {0, timeout * 1000};
- tfulldirt();
draw();
if(timeout > 0) {
@@ -3420,9 +3452,9 @@ drawregion(int x1, int y1, int x2, int y2) {
Glyph base, new;
char buf[DRAW_BUF_SIZ];
bool ena_sel = sel.ob.x != -1;
- long u8char;
+ long unicodep;
- if(sel.alt ^ IS_SET(MODE_ALTSCREEN))
+ if(sel.alt != IS_SET(MODE_ALTSCREEN))
ena_sel = 0;
if(!(xw.state & WIN_VISIBLE))
@@ -3452,7 +3484,7 @@ drawregion(int x1, int y1, int x2, int y2) {
base = new;
}
- sl = utf8decode(new.c, &u8char);
+ sl = utf8decode(new.c, &unicodep, UTF_SIZ);
memcpy(buf+ib, new.c, sl);
ib += sl;
ic += (new.mode & ATTR_WIDE)? 2 : 1;
@@ -3611,7 +3643,7 @@ kpress(XEvent *ev) {
if(IS_SET(MODE_8BIT)) {
if(*buf < 0177) {
c = *buf | 0x80;
- len = utf8encode(&c, buf);
+ len = utf8encode(c, buf, UTF_SIZ);
}
} else {
buf[1] = buf[0];
@@ -3688,13 +3720,10 @@ run(void) {
}
ttynew();
- if(!xw.isfixed)
- cresize(w, h);
- else
- cresize(xw.fw, xw.fh);
+ cresize(w, h);
- gettimeofday(&lastblink, NULL);
gettimeofday(&last, NULL);
+ lastblink = last;
for(xev = actionfps;;) {
long deltatime;
@@ -3706,7 +3735,7 @@ run(void) {
if(select(MAX(xfd, cmdfd)+1, &rfd, NULL, NULL, tv) < 0) {
if(errno == EINTR)
continue;
- die("select failed: %s\n", SERRNO);
+ die("select failed: %s\n", strerror(errno));
}
if(FD_ISSET(cmdfd, &rfd)) {
ttyread();
@@ -3729,7 +3758,7 @@ run(void) {
if(blinktimeout && TIMEDIFF(now, lastblink) > blinktimeout) {
tsetdirtattr(ATTR_BLINK);
term.mode ^= MODE_BLINK;
- gettimeofday(&lastblink, NULL);
+ lastblink = now;
dodraw = 1;
}
deltatime = TIMEDIFF(now, last);
@@ -3774,18 +3803,17 @@ run(void) {
void
usage(void) {
- die("%s " VERSION " (c) 2010-2013 st engineers\n" \
+ die("%s " VERSION " (c) 2010-2014 st engineers\n" \
"usage: st [-a] [-v] [-c class] [-f font] [-g geometry] [-o file]" \
" [-t title] [-w windowid] [-e command ...]\n", argv0);
}
int
main(int argc, char *argv[]) {
- int bitm, xr, yr;
- uint wr, hr;
char *titles;
+ uint cols = 80, rows = 24;
- xw.fw = xw.fh = xw.fx = xw.fy = 0;
+ xw.l = xw.t = 0;
xw.isfixed = False;
ARGBEGIN {
@@ -3809,22 +3837,11 @@ main(int argc, char *argv[]) {
opt_font = EARGF(usage());
break;
case 'g':
- bitm = XParseGeometry(EARGF(usage()), &xr, &yr, &wr, &hr);
- if(bitm & XValue)
- xw.fx = xr;
- if(bitm & YValue)
- xw.fy = yr;
- if(bitm & WidthValue)
- xw.fw = (int)wr;
- if(bitm & HeightValue)
- xw.fh = (int)hr;
- if(bitm & XNegative && xw.fx == 0)
- xw.fx = -1;
- if(bitm & YNegative && xw.fy == 0)
- xw.fy = -1;
-
- if(xw.fh != 0 && xw.fw != 0)
- xw.isfixed = True;
+ xw.gm = XParseGeometry(EARGF(usage()),
+ &xw.l, &xw.t, &cols, &rows);
+ break;
+ case 'i':
+ xw.isfixed = True;
break;
case 'o':
opt_io = EARGF(usage());
@@ -3843,7 +3860,7 @@ main(int argc, char *argv[]) {
run:
setlocale(LC_CTYPE, "");
XSetLocaleModifiers("");
- tnew(80, 24);
+ tnew(cols? cols : 1, rows? rows : 1);
xinit();
selinit();
run();