X-Git-Url: https://git.xinqibao.xyz/st.git/blobdiff_plain/eeae9b0ceef9e2fec4cb4f1132748c302e5ac702..dc74c4f729a4350267f269c767aa6e377d8d4fbc:/st.c?ds=sidebyside
diff --git a/st.c b/st.c
index c3a04c5..df660ff 100644
--- a/st.c
+++ b/st.c
@@ -11,6 +11,7 @@
#include <stdlib.h>
#include <string.h>
#include <signal.h>
+#include <stdint.h>
#include <sys/ioctl.h>
#include <sys/select.h>
#include <sys/stat.h>
@@ -35,10 +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>
@@ -54,6 +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
@@ -133,10 +131,21 @@ 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,
};
+enum charset {
+ CS_GRAPHIC0,
+ CS_GRAPHIC1,
+ CS_UK,
+ CS_USA,
+ CS_MULTI,
+ CS_GER,
+ CS_FIN
+};
+
enum escape_state {
ESC_START = 1,
ESC_CSI = 2,
@@ -167,11 +176,15 @@ 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 */
- ulong fg; /* foreground */
- ulong bg; /* background */
+ uint32_t fg; /* foreground */
+ uint32_t bg; /* background */
} Glyph;
typedef Glyph *Line;
@@ -216,6 +229,9 @@ typedef struct {
int bot; /* bottom scroll limit */
int mode; /* terminal mode flags */
int esc; /* escape state flags */
+ char trantbl[4]; /* charset table translation */
+ int charset; /* current charset */
+ int icharset; /* selected charset for sequence */
bool numlock; /* lock numbers in keyboard */
bool *tabs;
} Term;
@@ -226,7 +242,7 @@ typedef struct {
Colourmap cmap;
Window win;
Drawable buf;
- Atom xembed, wmdeletewin;
+ Atom xembed, wmdeletewin, netwmname, netwmpid;
XIM xim;
XIC xic;
Draw draw;
@@ -243,15 +259,15 @@ typedef struct {
} XWindow;
typedef struct {
- int b;
+ uint b;
uint mask;
- char s[ESC_BUF_SIZ];
+ char *s;
} Mousekey;
typedef struct {
KeySym k;
uint mask;
- char s[ESC_BUF_SIZ];
+ char *s;
/* three valued logic variables: 0 indifferent, 1 on, -1 off */
signed char appkey; /* application keypad */
signed char appcursor; /* application cursor */
@@ -299,6 +315,9 @@ 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"
@@ -341,6 +360,10 @@ static void strparse(void);
static void strreset(void);
static int tattrset(int);
+static void tprinter(char *s, size_t len);
+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);
@@ -366,11 +389,14 @@ static void tsetdirtattr(int);
static void tsetmode(bool, bool, int *, int);
static void tfulldirt(void);
static void techo(char *, int);
-static long tdefcolor(int *, int *, int);
+static int32_t tdefcolor(int *, int *, int);
+static void tselcs(void);
+static void tdeftran(char);
static inline bool match(uint, uint);
static void ttynew(void);
static void ttyread(void);
static void ttyresize(void);
+static void ttysend(char *, size_t);
static void ttywrite(const char *, size_t);
static void xdraws(char *, Glyph, int, int, int, int);
@@ -381,7 +407,7 @@ static void xinit(void);
static void xloadcols(void);
static int xsetcolorname(int, const char *);
static int xloadfont(Font *, FcPattern *);
-static void xloadfonts(char *, int);
+static void xloadfonts(char *, double);
static int xloadfontset(Font *);
static void xsettitle(char *);
static void xresettitle(void);
@@ -412,18 +438,22 @@ 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 void *xmalloc(size_t);
static void *xrealloc(void *, size_t);
+static char *xstrdup(char *s);
static void (*handler[LASTEvent])(XEvent *) = {
[KeyPress] = kpress,
@@ -451,7 +481,7 @@ 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;
@@ -461,7 +491,12 @@ static char *opt_font = NULL;
static int oldbutton = 3; /* button event on startup: 3 = release */
static char *usedfont = NULL;
-static int usedfontsize = 0;
+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 {
@@ -512,128 +547,79 @@ xrealloc(void *p, size_t len) {
return p;
}
-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;
- }
-
- 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;
- }
+char *
+xstrdup(char *s) {
+ char *p = strdup(s);
- return rtn;
-invalid:
- *u = 0xFFFD;
+ if (!p)
+ die("Out of memory\n");
- return rtn;
+ return p;
}
-int
-utf8encode(long *u, char *s) {
- uchar *sp;
- ulong uc;
- int i, n;
-
- sp = (uchar *)s;
- uc = *u;
- if(uc < 0x80) {
- *sp = uc; /* 0xxxxxxx */
+size_t
+utf8decode(char *c, long *u, size_t clen) {
+ size_t i, j, len, type;
+ long udecoded;
+
+ *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) {
- 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))) {
+ len = utf8validate(&u, 0);
+ if(clen < len)
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
@@ -878,9 +864,7 @@ bpress(XEvent *e) {
for(mk = mshortcuts; mk < mshortcuts + LEN(mshortcuts); mk++) {
if(e->xbutton.button == mk->b
&& match(mk->mask, e->xbutton.state)) {
- ttywrite(mk->s, strlen(mk->s));
- if(IS_SET(MODE_ECHO))
- techo(mk->s, strlen(mk->s));
+ ttysend(mk->s, strlen(mk->s));
return;
}
}
@@ -923,8 +907,8 @@ bpress(XEvent *e) {
}
}
-void
-selcopy(void) {
+char *
+getsel(void) {
char *str, *ptr;
int x, y, bufsize, size, i, ex;
Glyph *gp, *last;
@@ -938,17 +922,18 @@ selcopy(void) {
/* append every set & selected glyph to the selection */
for(y = sel.nb.y; y < sel.ne.y + 1; y++) {
gp = &term.line[y][0];
- last = gp + term.col;
+ last = &gp[term.col-1];
- while(--last >= gp && !(selected(last - gp, y) && \
- strcmp(last->c, " ") != 0))
- /* nothing */;
+ while(last >= gp && !(selected(last - gp, y) &&
+ strcmp(last->c, " ") != 0)) {
+ --last;
+ }
for(x = 0; gp <= last; x++, ++gp) {
if(!selected(x, y) || (gp->mode & ATTR_WDUMMY))
continue;
- size = utf8size(gp->c);
+ size = utf8len(gp->c);
memcpy(ptr, gp->c, size);
ptr += size;
}
@@ -982,7 +967,12 @@ selcopy(void) {
}
*ptr = 0;
}
- xsetsel(str);
+ return str;
+}
+
+void
+selcopy(void) {
+ xsetsel(getsel());
}
void
@@ -1016,7 +1006,7 @@ selnotify(XEvent *e) {
if(IS_SET(MODE_BRCKTPASTE))
ttywrite("\033[200~", 6);
- ttywrite((const char *)data, nitems * format / 8);
+ ttysend((char *)data, nitems * format / 8);
if(IS_SET(MODE_BRCKTPASTE))
ttywrite("\033[201~", 6);
XFree(data);
@@ -1229,6 +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);
@@ -1256,7 +1247,7 @@ 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 */
@@ -1266,9 +1257,8 @@ ttyread(void) {
/* 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;
@@ -1284,6 +1274,13 @@ ttywrite(const char *s, size_t n) {
die("write error on tty: %s\n", SERRNO);
}
+void
+ttysend(char *s, size_t n) {
+ ttywrite(s, n);
+ if(IS_SET(MODE_ECHO))
+ techo(s, n);
+}
+
void
ttyresize(void) {
struct winsize w;
@@ -1342,13 +1339,14 @@ tfulldirt(void) {
void
tcursor(int mode) {
- static TCursor c;
+ static TCursor c[2];
+ bool alt = IS_SET(MODE_ALTSCREEN);
if(mode == CURSOR_SAVE) {
- c = term.c;
+ c[alt] = term.c;
} else if(mode == CURSOR_LOAD) {
- term.c = c;
- tmoveto(c.x, c.y);
+ term.c = c[alt];
+ tmoveto(c[alt].x, c[alt].y);
}
}
@@ -1368,6 +1366,8 @@ treset(void) {
term.top = 0;
term.bot = term.row - 1;
term.mode = MODE_WRAP;
+ memset(term.trantbl, sizeof(term.trantbl), CS_USA);
+ term.charset = 0;
tclearregion(0, 0, term.col-1, term.row-1);
tmoveto(0, 0);
@@ -1642,9 +1642,9 @@ tdeleteline(int n) {
tscrollup(term.c.y, n);
}
-long
+int32_t
tdefcolor(int *attr, int *npar, int l) {
- long idx = -1;
+ int32_t idx = -1;
uint r, g, b;
switch (attr[*npar + 1]) {
@@ -1693,7 +1693,7 @@ tdefcolor(int *attr, int *npar, int l) {
void
tsetattr(int *attr, int l) {
int i;
- long idx;
+ int32_t idx;
for(i = 0; i < l; i++) {
switch(attr[i]) {
@@ -1854,12 +1854,15 @@ tsetmode(bool priv, bool set, int *args, int narg) {
case 1034:
MODBIT(term.mode, set, MODE_8BIT);
break;
- case 1049: /* = 1047 and 1048 */
- case 47:
+ 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)
break;
-
alt = IS_SET(MODE_ALTSCREEN);
if(alt) {
tclearregion(0, 0, term.col-1,
@@ -1919,6 +1922,9 @@ tsetmode(bool priv, bool set, int *args, int narg) {
void
csihandle(void) {
+ char buf[40];
+ int len;
+
switch(csiescseq.mode) {
default:
unknown:
@@ -1939,6 +1945,25 @@ 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);
@@ -2067,6 +2092,13 @@ csihandle(void) {
case 'm': /* SGR -- Terminal attribute (color) */
tsetattr(csiescseq.arg, csiescseq.narg);
break;
+ case 'n': /* DSR â Device Status Report (cursor position) */
+ if (csiescseq.arg[0] == 6) {
+ len = snprintf(buf, sizeof(buf),"\033[%i;%iR",
+ term.c.y+1, term.c.x+1);
+ ttywrite(buf, len);
+ break;
+ }
case 'r': /* DECSTBM -- Set Scrolling Region */
if(csiescseq.priv) {
goto unknown;
@@ -2117,20 +2149,21 @@ csireset(void) {
void
strhandle(void) {
char *p = NULL;
- int i, j, narg;
+ int j, narg, par;
strparse();
narg = strescseq.narg;
+ par = atoi(strescseq.args[0]);
switch(strescseq.type) {
case ']': /* OSC -- Operating System Command */
- switch(i = atoi(strescseq.args[0])) {
+ switch(par) {
case 0:
case 1:
case 2:
if(narg > 1)
xsettitle(strescseq.args[1]);
- break;
+ return;
case 4: /* color set */
if(narg < 3)
break;
@@ -2147,25 +2180,20 @@ strhandle(void) {
*/
redraw(0);
}
- break;
- default:
- fprintf(stderr, "erresc: unknown str ");
- strdump();
- break;
+ return;
}
break;
case 'k': /* old title set compatibility */
xsettitle(strescseq.args[0]);
- break;
+ return;
case 'P': /* DSC -- Device Control String */
case '_': /* APC -- Application Program Command */
case '^': /* PM -- Privacy Message */
- default:
- fprintf(stderr, "erresc: unknown str ");
- strdump();
- /* die(""); */
- break;
+ return;
}
+
+ fprintf(stderr, "erresc: unknown str ");
+ strdump();
}
void
@@ -2208,6 +2236,65 @@ strreset(void) {
memset(&strescseq, 0, sizeof(strescseq));
}
+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));
+ 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(bool forward) {
uint x = term.c.x;
@@ -2248,28 +2335,49 @@ techo(char *buf, int len) {
tputc(buf, len);
}
+void
+tdeftran(char ascii) {
+ char c, (*bp)[2];
+ static char tbl[][2] = {
+ {'0', CS_GRAPHIC0}, {'1', CS_GRAPHIC1}, {'A', CS_UK},
+ {'B', CS_USA}, {'<', CS_MULTI}, {'K', CS_GER},
+ {'5', CS_FIN}, {'C', CS_FIN},
+ {0, 0}
+ };
+
+ for (bp = &tbl[0]; (c = (*bp)[0]) && c != ascii; ++bp)
+ /* nothing */;
+
+ if (c == 0)
+ fprintf(stderr, "esc unhandled charset: ESC ( %c\n", ascii);
+ else
+ term.trantbl[term.icharset] = (*bp)[1];
+}
+
+void
+tselcs(void) {
+ if (term.trantbl[term.charset] == CS_GRAPHIC0)
+ term.c.attr.mode |= ATTR_GFX;
+ else
+ term.c.attr.mode &= ~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
@@ -2340,13 +2448,12 @@ tputc(char *c, int len) {
term.esc = ESC_START;
return;
case '\016': /* SO */
+ term.charset = 0;
+ tselcs();
+ return;
case '\017': /* SI */
- /*
- * Different charsets are hard to handle. Applications
- * should use the right alt charset escapes for the
- * only reason they still exist: line drawing. The
- * rest is incompatible history st should not support.
- */
+ term.charset = 1;
+ tselcs();
return;
case '\032': /* SUB */
case '\030': /* CAN */
@@ -2374,22 +2481,8 @@ tputc(char *c, int len) {
if(ascii == '\\')
strhandle();
} else if(term.esc & ESC_ALTCHARSET) {
- switch(ascii) {
- case '0': /* Line drawing set */
- term.c.attr.mode |= ATTR_GFX;
- break;
- case 'B': /* USASCII */
- term.c.attr.mode &= ~ATTR_GFX;
- break;
- case 'A': /* UK (IGNORED) */
- case '<': /* multinational charset (IGNORED) */
- case '5': /* Finnish (IGNORED) */
- case 'C': /* Finnish (IGNORED) */
- case 'K': /* German (IGNORED) */
- break;
- default:
- fprintf(stderr, "esc unhandled charset: ESC ( %c\n", ascii);
- }
+ tdeftran(ascii);
+ tselcs();
term.esc = 0;
} else if(term.esc & ESC_TEST) {
if(ascii == '8') { /* DEC screen alignment test. */
@@ -2420,13 +2513,12 @@ tputc(char *c, int len) {
term.esc |= ESC_STR;
break;
case '(': /* set primary charset G0 */
+ case ')': /* set secondary charset G1 */
+ case '*': /* set tertiary charset G2 */
+ case '+': /* set quaternary charset G3 */
+ term.icharset = ascii - '(';
term.esc |= ESC_ALTCHARSET;
break;
- case ')': /* set secondary charset G1 (IGNORED) */
- case '*': /* set tertiary charset G2 (IGNORED) */
- case '+': /* set quaternary charset G3 (IGNORED) */
- term.esc = 0;
- break;
case 'D': /* IND -- Linefeed */
if(term.c.y == term.bot) {
tscrollup(term.top, 1);
@@ -2747,7 +2839,8 @@ xhints(void) {
sizeh->min_height = sizeh->max_height = xw.fh;
}
- XSetWMProperties(xw.dpy, xw.win, NULL, NULL, NULL, 0, sizeh, &wm, &class);
+ XSetWMProperties(xw.dpy, xw.win, NULL, NULL, NULL, 0, sizeh, &wm,
+ &class);
XFree(sizeh);
}
@@ -2780,9 +2873,9 @@ xloadfont(Font *f, FcPattern *pattern) {
}
void
-xloadfonts(char *fontstr, int fontsize) {
+xloadfonts(char *fontstr, double fontsize) {
FcPattern *pattern;
- FcResult result;
+ FcResult r_sz, r_psz;
double fontval;
if(fontstr[0] == '-') {
@@ -2796,12 +2889,16 @@ xloadfonts(char *fontstr, int fontsize) {
if(fontsize > 0) {
FcPatternDel(pattern, FC_PIXEL_SIZE);
+ FcPatternDel(pattern, FC_SIZE);
FcPatternAddDouble(pattern, FC_PIXEL_SIZE, (double)fontsize);
usedfontsize = fontsize;
} else {
- result = FcPatternGetDouble(pattern, FC_PIXEL_SIZE, 0, &fontval);
- if(result == FcResultMatch) {
- usedfontsize = (int)fontval;
+ r_psz = FcPatternGetDouble(pattern, FC_PIXEL_SIZE, 0, &fontval);
+ r_sz = FcPatternGetDouble(pattern, FC_SIZE, 0, &fontval);
+ if(r_psz == FcResultMatch) {
+ usedfontsize = fontval;
+ } else if(r_sz == FcResultMatch) {
+ usedfontsize = -1;
} else {
/*
* Default font size is 12, if none given. This is to
@@ -2818,6 +2915,12 @@ xloadfonts(char *fontstr, int fontsize) {
if(xloadfont(&dc.font, pattern))
die("st: can't open font %s\n", fontstr);
+ if(usedfontsize < 0) {
+ FcPatternGetDouble(dc.font.match->pattern,
+ FC_PIXEL_SIZE, 0, &fontval);
+ usedfontsize = fontval;
+ }
+
/* Setting character width and height. */
xw.cw = CEIL(dc.font.width * cwscale);
xw.ch = CEIL(dc.font.height * chscale);
@@ -2887,6 +2990,7 @@ xinit(void) {
Cursor cursor;
Window parent;
int sw, sh;
+ pid_t thispid = getpid();
if(!(xw.dpy = XOpenDisplay(NULL)))
die("Can't open display\n");
@@ -2978,12 +3082,17 @@ xinit(void) {
xw.xembed = XInternAtom(xw.dpy, "_XEMBED", False);
xw.wmdeletewin = XInternAtom(xw.dpy, "WM_DELETE_WINDOW", False);
+ xw.netwmname = XInternAtom(xw.dpy, "_NET_WM_NAME", False);
XSetWMProtocols(xw.dpy, xw.win, &xw.wmdeletewin, 1);
+ xw.netwmpid = XInternAtom(xw.dpy, "_NET_WM_PID", False);
+ XChangeProperty(xw.dpy, xw.win, xw.netwmpid, XA_CARDINAL, 32,
+ PropModeReplace, (unsigned char *)&thispid, 1);
+
xresettitle();
XMapWindow(xw.dpy, xw.win);
xhints();
- XSync(xw.dpy, 0);
+ XSync(xw.dpy, False);
}
void
@@ -2993,7 +3102,7 @@ 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;
@@ -3001,7 +3110,7 @@ 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;
@@ -3020,7 +3129,9 @@ 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);
colfg.green = TRUEGREEN(base.fg);
colfg.blue = TRUEBLUE(base.fg);
@@ -3031,6 +3142,7 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
}
if(IS_TRUECOL(base.bg)) {
+ colbg.alpha = 0xffff;
colbg.green = TRUEGREEN(base.bg);
colbg.red = TRUERED(base.bg);
colbg.blue = TRUEBLUE(base.bg);
@@ -3040,8 +3152,6 @@ 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 */
@@ -3071,7 +3181,8 @@ 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;
}
@@ -3082,7 +3193,8 @@ 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;
}
}
@@ -3133,11 +3245,11 @@ 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) {
@@ -3162,14 +3274,14 @@ 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;
}
@@ -3185,11 +3297,13 @@ 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,
@@ -3225,9 +3339,15 @@ 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);
@@ -3262,7 +3382,7 @@ 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);
@@ -3276,7 +3396,7 @@ 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);
@@ -3310,6 +3430,7 @@ xsettitle(char *p) {
Xutf8TextListToTextProperty(xw.dpy, &p, 1, XUTF8StringStyle,
&prop);
XSetWMName(xw.dpy, xw.win, &prop);
+ XSetTextProperty(xw.dpy, xw.win, &prop, xw.netwmname);
XFree(prop.value);
}
@@ -3322,7 +3443,6 @@ void
redraw(int timeout) {
struct timespec tv = {0, timeout * 1000};
- tfulldirt();
draw();
if(timeout > 0) {
@@ -3347,7 +3467,7 @@ 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))
ena_sel = 0;
@@ -3379,7 +3499,7 @@ 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;
@@ -3456,15 +3576,7 @@ focus(XEvent *ev) {
static inline bool
match(uint mask, uint state) {
- state &= ~ignoremod;
-
- if(mask == XK_NO_MOD && state)
- return false;
- if(mask != XK_ANY_MOD && mask != XK_NO_MOD && !state)
- return false;
- if(mask == XK_ANY_MOD)
- return true;
- return state == mask;
+ return mask == XK_ANY_MOD || mask == (state & ~ignoremod);
}
void
@@ -3494,25 +3606,16 @@ kmap(KeySym k, uint state) {
if(!match(kp->mask, state))
continue;
- if(kp->appkey > 0) {
- if(!IS_SET(MODE_APPKEYPAD))
- continue;
- if(term.numlock && kp->appkey == 2)
- continue;
- } else if(kp->appkey < 0 && IS_SET(MODE_APPKEYPAD)) {
+ if(IS_SET(MODE_APPKEYPAD) ? kp->appkey < 0 : kp->appkey > 0)
+ continue;
+ if(term.numlock && kp->appkey == 2)
continue;
- }
- if((kp->appcursor < 0 && IS_SET(MODE_APPCURSOR)) ||
- (kp->appcursor > 0
- && !IS_SET(MODE_APPCURSOR))) {
+ if(IS_SET(MODE_APPCURSOR) ? kp->appcursor < 0 : kp->appcursor > 0)
continue;
- }
- if((kp->crlf < 0 && IS_SET(MODE_CRLF)) ||
- (kp->crlf > 0 && !IS_SET(MODE_CRLF))) {
+ if(IS_SET(MODE_CRLF) ? kp->crlf < 0 : kp->crlf > 0)
continue;
- }
return kp->s;
}
@@ -3524,8 +3627,8 @@ void
kpress(XEvent *ev) {
XKeyEvent *e = &ev->xkey;
KeySym ksym;
- char xstr[31], buf[32], *customkey, *cp = buf;
- int len, ret;
+ char buf[32], *customkey;
+ int len;
long c;
Status status;
Shortcut *bp;
@@ -3533,8 +3636,7 @@ kpress(XEvent *ev) {
if(IS_SET(MODE_KBDLOCK))
return;
- len = XmbLookupString(xw.xic, e, xstr, sizeof(xstr), &ksym, &status);
- e->state &= ~Mod2Mask;
+ len = XmbLookupString(xw.xic, e, buf, sizeof buf, &ksym, &status);
/* 1. shortcuts */
for(bp = shortcuts; bp < shortcuts + LEN(shortcuts); bp++) {
if(ksym == bp->keysym && match(bp->mod, e->state)) {
@@ -3545,33 +3647,26 @@ kpress(XEvent *ev) {
/* 2. custom keys from config.h */
if((customkey = kmap(ksym, e->state))) {
- len = strlen(customkey);
- memcpy(buf, customkey, len);
- /* 3. hardcoded (overrides X lookup) */
- } else {
- if(len == 0)
- return;
+ ttysend(customkey, strlen(customkey));
+ return;
+ }
- if(len == 1 && e->state & Mod1Mask) {
- if(IS_SET(MODE_8BIT)) {
- if(*xstr < 0177) {
- c = *xstr | 0x80;
- ret = utf8encode(&c, cp);
- cp += ret;
- len = 0;
- }
- } else {
- *cp++ = '\033';
+ /* 3. composed string from input method */
+ if(len == 0)
+ return;
+ if(len == 1 && e->state & Mod1Mask) {
+ if(IS_SET(MODE_8BIT)) {
+ if(*buf < 0177) {
+ c = *buf | 0x80;
+ len = utf8encode(c, buf, UTF_SIZ);
}
+ } else {
+ buf[1] = buf[0];
+ buf[0] = '\033';
+ len = 2;
}
-
- memcpy(cp, xstr, len);
- len = cp - buf + len;
}
-
- ttywrite(buf, len);
- if(IS_SET(MODE_ECHO))
- techo(buf, len);
+ ttysend(buf, len);
}
@@ -3639,16 +3734,18 @@ run(void) {
}
}
+ ttynew();
if(!xw.isfixed)
cresize(w, h);
else
cresize(xw.fw, xw.fh);
- ttynew();
- gettimeofday(&lastblink, NULL);
gettimeofday(&last, NULL);
+ lastblink = last;
for(xev = actionfps;;) {
+ long deltatime;
+
FD_ZERO(&rfd);
FD_SET(cmdfd, &rfd);
FD_SET(xfd, &rfd);
@@ -3679,11 +3776,12 @@ run(void) {
if(blinktimeout && TIMEDIFF(now, lastblink) > blinktimeout) {
tsetdirtattr(ATTR_BLINK);
term.mode ^= MODE_BLINK;
- gettimeofday(&lastblink, NULL);
+ lastblink = now;
dodraw = 1;
}
- if(TIMEDIFF(now, last) \
- > (xev? (1000/xfps) : (1000/actionfps))) {
+ deltatime = TIMEDIFF(now, last);
+ if(deltatime > (xev? (1000/xfps) : (1000/actionfps))
+ || deltatime < 0) {
dodraw = 1;
last = now;
}
@@ -3749,7 +3847,7 @@ main(int argc, char *argv[]) {
if(argc > 1) {
opt_cmd = &argv[1];
if(argv[1] != NULL && opt_title == NULL) {
- titles = strdup(argv[1]);
+ titles = xstrdup(argv[1]);
opt_title = basename(titles);
}
}