X-Git-Url: https://git.xinqibao.xyz/st.git/blobdiff_plain/bb6dc332067fddcdcb0940ebc9b5f41c61429c46..f796533b1bab9aa8ea4e70b79d305c9aea47fe6a:/st.c
diff --git a/st.c b/st.c
index 2e55963..69ec122 100644
--- a/st.c
+++ b/st.c
@@ -76,8 +76,7 @@ char *argv0;
#define LIMIT(x, a, b) (x) = (x) < (a) ? (a) : (x) > (b) ? (b) : (x)
#define ATTRCMP(a, b) ((a).mode != (b).mode || (a).fg != (b).fg || (a).bg != (b).bg)
#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 TIMEDIFF(t1, t2) ((t1.tv_sec-t2.tv_sec)*1000 + (t1.tv_nsec-t2.tv_nsec)/1E6)
#define MODBIT(x, set, bit) ((set) ? ((x) |= (bit)) : ((x) &= ~(bit)))
#define TRUECOLOR(r,g,b) (1 << 24 | (r) << 16 | (g) << 8 | (b))
@@ -90,15 +89,19 @@ char *argv0;
#define VT102ID "\033[?6c"
enum glyph_attribute {
- ATTR_NULL = 0,
- ATTR_REVERSE = 1,
- ATTR_UNDERLINE = 2,
- ATTR_BOLD = 4,
- ATTR_ITALIC = 8,
+ ATTR_NULL = 0,
+ ATTR_BOLD = 1,
+ ATTR_FAINT = 2,
+ ATTR_ITALIC = 4,
+ ATTR_UNDERLINE = 8,
ATTR_BLINK = 16,
- ATTR_WRAP = 32,
- ATTR_WIDE = 64,
- ATTR_WDUMMY = 128,
+ ATTR_FASTBLINK = 32,
+ ATTR_REVERSE = 64,
+ ATTR_INVISIBLE = 128,
+ ATTR_STRUCK = 256,
+ ATTR_WRAP = 512,
+ ATTR_WIDE = 1024,
+ ATTR_WDUMMY = 2048,
};
enum cursor_movement {
@@ -180,7 +183,6 @@ typedef unsigned short ushort;
typedef XftDraw *Draw;
typedef XftColor Color;
-typedef Colormap Colormap;
typedef struct {
char c[UTF_SIZ]; /* character code */
@@ -295,8 +297,8 @@ typedef struct {
char *clip;
Atom xtarget;
bool alt;
- struct timeval tclick1;
- struct timeval tclick2;
+ struct timespec tclick1;
+ struct timespec tclick2;
} Selection;
typedef union {
@@ -373,6 +375,7 @@ static void tdeletechar(int);
static void tdeleteline(int);
static void tinsertblank(int);
static void tinsertblankline(int);
+static int tlinelen(int);
static void tmoveto(int, int);
static void tmoveato(int, int);
static void tnew(int, int);
@@ -670,7 +673,7 @@ static void
selnormalize(void) {
int i;
- if(sel.ob.y == sel.oe.y) {
+ if(sel.ob.y == sel.oe.y || sel.type == SEL_RECTANGULAR) {
sel.nb.x = MIN(sel.ob.x, sel.oe.x);
sel.ne.x = MAX(sel.ob.x, sel.oe.x);
} else {
@@ -703,6 +706,9 @@ selected(int x, int y) {
void
selsnap(int mode, int *x, int *y, int direction) {
+ int newx, newy, xt, yt;
+ Glyph *gp;
+
switch(mode) {
case SNAP_WORD:
/*
@@ -710,36 +716,31 @@ selsnap(int mode, int *x, int *y, int direction) {
* beginning of a line.
*/
for(;;) {
- if(direction < 0 && *x <= 0) {
- if(*y > 0 && term.line[*y - 1][term.col-1].mode
- & ATTR_WRAP) {
- *y -= 1;
- *x = term.col-1;
- } else {
+ newx = *x + direction;
+ newy = *y;
+ if(!BETWEEN(newx, 0, term.col - 1)) {
+ newy += direction;
+ newx = (newx + term.col) % term.col;
+ if (!BETWEEN(newy, 0, term.row - 1))
break;
- }
- }
- if(direction > 0 && *x >= term.col-1) {
- if(*y < term.row-1 && term.line[*y][*x].mode
- & ATTR_WRAP) {
- *y += 1;
- *x = 0;
- } else {
+
+ if(direction > 0)
+ yt = *y, xt = *x;
+ else
+ yt = newy, xt = newx;
+ if(!(term.line[yt][xt].mode & ATTR_WRAP))
break;
- }
}
- if(term.line[*y][*x+direction].mode & ATTR_WDUMMY) {
- *x += direction;
- continue;
- }
+ if (newx >= tlinelen(newy))
+ break;
- if(*x >= tlinelen(*y) || strchr(worddelimiters,
- term.line[*y][*x+direction].c[0])) {
+ gp = &term.line[newy][newx];
+ if (!(gp->mode & ATTR_WDUMMY) && strchr(worddelimiters, gp->c[0]))
break;
- }
- *x += direction;
+ *x = newx;
+ *y = newy;
}
break;
case SNAP_LINE:
@@ -863,7 +864,7 @@ mousereport(XEvent *e) {
void
bpress(XEvent *e) {
- struct timeval now;
+ struct timespec now;
Mousekey *mk;
if(IS_SET(MODE_MOUSE) && !(e->xbutton.state & forceselmod)) {
@@ -880,7 +881,7 @@ bpress(XEvent *e) {
}
if(e->xbutton.button == Button1) {
- gettimeofday(&now, NULL);
+ clock_gettime(CLOCK_MONOTONIC, &now);
/* Clear previous selection, logically and visually. */
selclear(NULL);
@@ -920,7 +921,7 @@ bpress(XEvent *e) {
char *
getsel(void) {
char *str, *ptr;
- int x, y, bufsize, size, ex;
+ int y, bufsize, size, lastx, linelen;
Glyph *gp, *last;
if(sel.ob.x == -1)
@@ -931,16 +932,19 @@ getsel(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-1];
+ linelen = tlinelen(y);
- while(last >= gp && !(selected(last - gp, y) &&
- strcmp(last->c, " ") != 0)) {
- --last;
+ if(sel.type == SEL_RECTANGULAR) {
+ gp = &term.line[y][sel.nb.x];
+ lastx = sel.ne.x;
+ } else {
+ gp = &term.line[y][sel.nb.y == y ? sel.nb.x : 0];
+ lastx = (sel.ne.y == y) ? sel.ne.x : term.col-1;
}
+ last = &term.line[y][MIN(lastx, linelen-1)];
- for(x = 0; gp <= last; x++, ++gp) {
- if(!selected(x, y) || (gp->mode & ATTR_WDUMMY))
+ for( ; gp <= last; ++gp) {
+ if(gp->mode & ATTR_WDUMMY)
continue;
size = utf8len(gp->c);
@@ -957,20 +961,8 @@ getsel(void) {
* st.
* FIXME: Fix the computer world.
*/
- if(y < sel.ne.y && !(x > 0 && (gp-1)->mode & ATTR_WRAP))
+ if(sel.ne.y > y || lastx >= linelen)
*ptr++ = '\n';
-
- /*
- * If the last selected line expands in the selection
- * after the visible text '\n' is appended.
- */
- if(y == sel.ne.y) {
- ex = sel.ne.x;
- if(sel.nb.y == sel.ne.y && sel.ne.x < sel.nb.x)
- ex = sel.nb.x;
- if(tlinelen(y) < ex)
- *ptr++ = '\n';
- }
}
*ptr = 0;
return str;
@@ -1685,15 +1677,25 @@ tsetattr(int *attr, int l) {
for(i = 0; i < l; i++) {
switch(attr[i]) {
case 0:
- term.c.attr.mode &= ~(ATTR_REVERSE | ATTR_UNDERLINE \
- | ATTR_BOLD | ATTR_ITALIC \
- | ATTR_BLINK);
+ term.c.attr.mode &= ~(
+ ATTR_BOLD |
+ ATTR_FAINT |
+ ATTR_ITALIC |
+ ATTR_UNDERLINE |
+ ATTR_BLINK |
+ ATTR_FASTBLINK |
+ ATTR_REVERSE |
+ ATTR_INVISIBLE |
+ ATTR_STRUCK );
term.c.attr.fg = defaultfg;
term.c.attr.bg = defaultbg;
break;
case 1:
term.c.attr.mode |= ATTR_BOLD;
break;
+ case 2:
+ term.c.attr.mode |= ATTR_FAINT;
+ break;
case 3:
term.c.attr.mode |= ATTR_ITALIC;
break;
@@ -1701,16 +1703,26 @@ tsetattr(int *attr, int l) {
term.c.attr.mode |= ATTR_UNDERLINE;
break;
case 5: /* slow blink */
- case 6: /* rapid blink */
term.c.attr.mode |= ATTR_BLINK;
break;
+ case 6: /* rapid blink */
+ term.c.attr.mode |= ATTR_FASTBLINK;
+ break;
case 7:
term.c.attr.mode |= ATTR_REVERSE;
break;
+ case 8:
+ term.c.attr.mode |= ATTR_INVISIBLE;
+ break;
+ case 9:
+ term.c.attr.mode |= ATTR_STRUCK;
+ break;
case 21:
- case 22:
term.c.attr.mode &= ~ATTR_BOLD;
break;
+ case 22:
+ term.c.attr.mode &= ~ATTR_FAINT;
+ break;
case 23:
term.c.attr.mode &= ~ATTR_ITALIC;
break;
@@ -1718,12 +1730,20 @@ tsetattr(int *attr, int l) {
term.c.attr.mode &= ~ATTR_UNDERLINE;
break;
case 25:
- case 26:
term.c.attr.mode &= ~ATTR_BLINK;
break;
+ case 26:
+ term.c.attr.mode &= ~ATTR_FASTBLINK;
+ break;
case 27:
term.c.attr.mode &= ~ATTR_REVERSE;
break;
+ case 28:
+ term.c.attr.mode &= ~ATTR_INVISIBLE;
+ break;
+ case 29:
+ term.c.attr.mode &= ~ATTR_STRUCK;
+ break;
case 38:
if ((idx = tdefcolor(attr, &i, l)) >= 0)
term.c.attr.fg = idx;
@@ -2259,12 +2279,10 @@ 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, " ")) {
+ end = &bp[MIN(tlinelen(n), term.col) - 1];
+ if(bp != end || bp->c[0] != ' ') {
for( ;bp <= end; ++bp)
- tprinter(bp->c, strlen(bp->c));
+ tprinter(bp->c, utf8len(bp->c));
}
tprinter("\n", 1);
}
@@ -2318,19 +2336,15 @@ techo(char *buf, int len) {
void
tdeftran(char ascii) {
- char c, (*bp)[2];
- static char tbl[][2] = {
- {'0', CS_GRAPHIC0}, {'B', CS_USA},
- {0, 0}
- };
+ static char cs[] = "0B";
+ static int vcs[] = {CS_GRAPHIC0, CS_USA};
+ char *p;
- for (bp = &tbl[0]; (c = (*bp)[0]) && c != ascii; ++bp)
- /* nothing */;
-
- if (c == 0)
+ if((p = strchr(cs, ascii)) == NULL) {
fprintf(stderr, "esc unhandled charset: ESC ( %c\n", ascii);
- else
- term.trantbl[term.icharset] = (*bp)[1];
+ } else {
+ term.trantbl[term.icharset] = vcs[p - cs];
+ }
}
void
@@ -2899,6 +2913,7 @@ xloadfonts(char *fontstr, double fontsize) {
FcPattern *pattern;
FcResult r_sz, r_psz;
double fontval;
+ float ceilf(float);
if(fontstr[0] == '-') {
pattern = XftXlfdParse(fontstr, False, False);
@@ -2944,8 +2959,8 @@ xloadfonts(char *fontstr, double fontsize) {
}
/* Setting character width and height. */
- xw.cw = CEIL(dc.font.width * cwscale);
- xw.ch = CEIL(dc.font.height * chscale);
+ xw.cw = ceilf(dc.font.width * cwscale);
+ xw.ch = ceilf(dc.font.height * chscale);
FcPatternDel(pattern, FC_SLANT);
FcPatternAddInteger(pattern, FC_SLANT, FC_SLANT_ITALIC);
@@ -3000,6 +3015,7 @@ xzoom(const Arg *arg) {
xloadfonts(usedfont, usedfontsize + arg->i);
cresize(0, 0);
redraw(0);
+ xhints();
}
void
@@ -3163,7 +3179,7 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
* change basic system colors [0-7]
* to bright system colors [8-15]
*/
- if(BETWEEN(base.fg, 0, 7))
+ if(BETWEEN(base.fg, 0, 7) && !(base.mode & ATTR_FAINT))
fg = &dc.col[base.fg + 8];
if(base.mode & ATTR_ITALIC) {
@@ -3207,9 +3223,20 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
bg = temp;
}
+ if(base.mode & ATTR_FAINT && !(base.mode & ATTR_BOLD)) {
+ colfg.red = fg->color.red / 2;
+ colfg.green = fg->color.green / 2;
+ colfg.blue = fg->color.blue / 2;
+ XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colfg, &revfg);
+ fg = &revfg;
+ }
+
if(base.mode & ATTR_BLINK && term.mode & MODE_BLINK)
fg = bg;
+ if(base.mode & ATTR_INVISIBLE)
+ fg = bg;
+
/* Intelligent cleaning up of the borders. */
if(x == 0) {
xclear(0, (y == 0)? 0 : winy, borderpx,
@@ -3252,28 +3279,22 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
bytelen -= u8cblen;
doesexist = XftCharExists(xw.dpy, font->match, unicodep);
- if(oneatatime || !doesexist || bytelen <= 0) {
- if(oneatatime || bytelen <= 0) {
- if(doesexist) {
- u8fl++;
- u8fblen += u8cblen;
- }
- }
-
- if(u8fl > 0) {
- XftDrawStringUtf8(xw.draw, fg,
- font->match, xp,
- winy + font->ascent,
- (FcChar8 *)u8fs,
- u8fblen);
- xp += xw.cw * u8fl;
-
- }
- break;
+ if(doesexist) {
+ u8fl++;
+ u8fblen += u8cblen;
+ if(!oneatatime && bytelen > 0)
+ continue;
}
- u8fl++;
- u8fblen += u8cblen;
+ if(u8fl > 0) {
+ XftDrawStringUtf8(xw.draw, fg,
+ font->match, xp,
+ winy + font->ascent,
+ (FcChar8 *)u8fs,
+ u8fblen);
+ xp += xw.cw * u8fl;
+ }
+ break;
}
if(doesexist) {
if(oneatatime)
@@ -3360,6 +3381,11 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
width, 1);
}
+ if(base.mode & ATTR_STRUCK) {
+ XftDrawRect(xw.draw, fg, winx, winy + 2 * font->ascent / 3,
+ width, 1);
+ }
+
/* Reset clip to none. */
XftDrawSetClip(xw.draw, 0);
}
@@ -3721,7 +3747,8 @@ run(void) {
int w = xw.w, h = xw.h;
fd_set rfd;
int xfd = XConnectionNumber(xw.dpy), xev, blinkset = 0, dodraw = 0;
- struct timeval drawtimeout, *tv = NULL, now, last, lastblink;
+ struct timespec drawtimeout, *tv = NULL, now, last, lastblink;
+ long deltatime;
/* Waiting for window mapping */
while(1) {
@@ -3737,17 +3764,15 @@ run(void) {
ttynew();
cresize(w, h);
- gettimeofday(&last, NULL);
+ clock_gettime(CLOCK_MONOTONIC, &last);
lastblink = last;
for(xev = actionfps;;) {
- long deltatime;
-
FD_ZERO(&rfd);
FD_SET(cmdfd, &rfd);
FD_SET(xfd, &rfd);
- if(select(MAX(xfd, cmdfd)+1, &rfd, NULL, NULL, tv) < 0) {
+ if(pselect(MAX(xfd, cmdfd)+1, &rfd, NULL, NULL, tv, NULL) < 0) {
if(errno == EINTR)
continue;
die("select failed: %s\n", strerror(errno));
@@ -3764,9 +3789,9 @@ run(void) {
if(FD_ISSET(xfd, &rfd))
xev = actionfps;
- gettimeofday(&now, NULL);
+ clock_gettime(CLOCK_MONOTONIC, &now);
drawtimeout.tv_sec = 0;
- drawtimeout.tv_usec = (1000/xfps) * 1000;
+ drawtimeout.tv_nsec = (1000/xfps) * 1E6;
tv = &drawtimeout;
dodraw = 0;
@@ -3801,9 +3826,9 @@ run(void) {
if(blinkset) {
if(TIMEDIFF(now, lastblink) \
> blinktimeout) {
- drawtimeout.tv_usec = 1;
+ drawtimeout.tv_nsec = 1000;
} else {
- drawtimeout.tv_usec = (1000 * \
+ drawtimeout.tv_nsec = (1E6 * \
(blinktimeout - \
TIMEDIFF(now,
lastblink)));