X-Git-Url: https://git.danieliu.xyz/?a=blobdiff_plain;f=st.c;h=46c0b6ef554b7dea153824426ff01f148c202ba2;hb=abfad4c4fc69ebb22febfe32677aadd112ce375a;hp=2788746e3b859882db2964208a127789715534f4;hpb=21f765426c36991edd8b14f4989d66187e9ff597;p=st.git diff --git a/st.c b/st.c index 2788746..46c0b6e 100644 --- a/st.c +++ b/st.c @@ -58,7 +58,6 @@ char *argv0; #define ESC_ARG_SIZ 16 #define STR_BUF_SIZ ESC_BUF_SIZ #define STR_ARG_SIZ ESC_ARG_SIZ -#define DRAW_BUF_SIZ 20*1024 #define XK_ANY_MOD UINT_MAX #define XK_NO_MOD 0 #define XK_SWITCH_MOD (1<<13) @@ -72,7 +71,7 @@ char *argv0; #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) (BETWEEN(u, 0, 127) && strchr(worddelimiters, u) != NULL) +#define ISDELIM(u) (utf8strchr(worddelimiters, u) != NULL) #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) @@ -87,18 +86,19 @@ char *argv0; enum glyph_attribute { - ATTR_NULL = 0, - ATTR_BOLD = 1 << 0, - ATTR_FAINT = 1 << 1, - ATTR_ITALIC = 1 << 2, - ATTR_UNDERLINE = 1 << 3, - ATTR_BLINK = 1 << 4, - ATTR_REVERSE = 1 << 5, - ATTR_INVISIBLE = 1 << 6, - ATTR_STRUCK = 1 << 7, - ATTR_WRAP = 1 << 8, - ATTR_WIDE = 1 << 9, - ATTR_WDUMMY = 1 << 10, + ATTR_NULL = 0, + ATTR_BOLD = 1 << 0, + ATTR_FAINT = 1 << 1, + ATTR_ITALIC = 1 << 2, + ATTR_UNDERLINE = 1 << 3, + ATTR_BLINK = 1 << 4, + ATTR_REVERSE = 1 << 5, + ATTR_INVISIBLE = 1 << 6, + ATTR_STRUCK = 1 << 7, + ATTR_WRAP = 1 << 8, + ATTR_WIDE = 1 << 9, + ATTR_WDUMMY = 1 << 10, + ATTR_BOLD_FAINT = ATTR_BOLD | ATTR_FAINT, }; enum cursor_movement { @@ -162,6 +162,12 @@ enum window_state { WIN_FOCUSED = 2 }; +enum selection_mode { + SEL_IDLE = 0, + SEL_EMPTY = 1, + SEL_READY = 2 +}; + enum selection_type { SEL_REGULAR = 1, SEL_RECTANGULAR = 2 @@ -177,11 +183,13 @@ typedef unsigned int uint; typedef unsigned long ulong; typedef unsigned short ushort; +typedef uint_least32_t Rune; + typedef XftDraw *Draw; typedef XftColor Color; typedef struct { - long u; /* character code */ + Rune u; /* character code */ ushort mode; /* attribute flags */ uint32_t fg; /* foreground */ uint32_t bg; /* background */ @@ -224,6 +232,7 @@ typedef struct { Line *line; /* screen */ Line *alt; /* alternate screen */ bool *dirty; /* dirtyness of lines */ + XftGlyphFontSpec *specbuf; /* font spec buffer used for rendering */ TCursor c; /* cursor */ int top; /* top scroll limit */ int bot; /* bottom scroll limit */ @@ -383,20 +392,20 @@ static void tmoveato(int, int); static void tnew(int, int); static void tnewline(int); static void tputtab(int); -static void tputc(char *, 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); -static void tsetchar(char *, Glyph *, int, int); +static void tsetchar(Rune, Glyph *, int, int); static void tsetscroll(int, int); static void tswapscreen(void); static void tsetdirt(int, int); static void tsetdirtattr(int); static void tsetmode(bool, bool, int *, int); static void tfulldirt(void); -static void techo(char *, int); +static void techo(Rune); static void tcontrolcode(uchar ); static void tdectest(char ); static int32_t tdefcolor(int *, int *, int); @@ -410,7 +419,8 @@ static void ttywrite(const char *, size_t); static void tstrsequence(uchar); static inline ushort sixd_to_16bit(int); -static void xdraws(char *, Glyph, int, int, int, int); +static int xmakeglyphfontspecs(XftGlyphFontSpec *, const Glyph *, int, int, int); +static void xdrawglyphfontspecs(const XftGlyphFontSpec *, Glyph, int, int, int); static void xdrawglyph(Glyph, int, int); static void xhints(void); static void xclear(int, int, int, int); @@ -453,17 +463,18 @@ static inline bool selected(int, int); static char *getsel(void); static void selcopy(Time); static void selscroll(int, int); -static void selsnap(int, int *, int *, int); +static void selsnap(int *, int *, int); static int x2col(int); static int y2row(int); static void getbuttoninfo(XEvent *); static void mousereport(XEvent *); -static size_t utf8decode(char *, long *, size_t); -static long utf8decodebyte(char, size_t *); -static size_t utf8encode(long, char *); -static char utf8encodebyte(long, size_t); -static size_t utf8validate(long *, size_t); +static size_t utf8decode(char *, Rune *, size_t); +static Rune utf8decodebyte(char, size_t *); +static size_t utf8encode(Rune, char *); +static char utf8encodebyte(Rune, size_t); +static char *utf8strchr(char *s, Rune u); +static size_t utf8validate(Rune *, size_t); static ssize_t xwrite(int, const char *, size_t); static void *xmalloc(size_t); @@ -502,7 +513,7 @@ static STREscape strescseq; static int cmdfd; static pid_t pid; static Selection sel; -static int iofd = STDOUT_FILENO; +static int iofd = 1; static char **opt_cmd = NULL; static char *opt_io = NULL; static char *opt_title = NULL; @@ -518,8 +529,8 @@ static 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 long utfmin[UTF_SIZ + 1] = { 0, 0, 0x80, 0x800, 0x10000}; -static long utfmax[UTF_SIZ + 1] = {0x10FFFF, 0x7F, 0x7FF, 0xFFFF, 0x10FFFF}; +static Rune utfmin[UTF_SIZ + 1] = { 0, 0, 0x80, 0x800, 0x10000}; +static Rune utfmax[UTF_SIZ + 1] = {0x10FFFF, 0x7F, 0x7FF, 0xFFFF, 0x10FFFF}; /* Font Ring Cache */ enum { @@ -532,7 +543,7 @@ enum { typedef struct { XftFont *font; int flags; - long unicodep; + Rune unicodep; } Fontcache; /* Fontcache is an array now. A new font will be appended to the array. */ @@ -580,9 +591,9 @@ xstrdup(char *s) { } size_t -utf8decode(char *c, long *u, size_t clen) { +utf8decode(char *c, Rune *u, size_t clen) { size_t i, j, len, type; - long udecoded; + Rune udecoded; *u = UTF_INVALID; if(!clen) @@ -602,7 +613,7 @@ utf8decode(char *c, long *u, size_t clen) { return len; } -long +Rune utf8decodebyte(char c, size_t *i) { for(*i = 0; *i < LEN(utfmask); ++(*i)) if(((uchar)c & utfmask[*i]) == utfbyte[*i]) @@ -611,7 +622,7 @@ utf8decodebyte(char c, size_t *i) { } size_t -utf8encode(long u, char *c) { +utf8encode(Rune u, char *c) { size_t len, i; len = utf8validate(&u, 0); @@ -626,12 +637,27 @@ utf8encode(long u, char *c) { } char -utf8encodebyte(long u, size_t i) { +utf8encodebyte(Rune u, size_t i) { return utfbyte[i] | (u & ~utfmask[i]); } +char * +utf8strchr(char *s, Rune u) { + Rune r; + size_t i, j, len; + + len = strlen(s); + for(i = 0, j = 0; i < len; i += j) { + if(!(j = utf8decode(&s[i], &r, len - i))) + break; + if(r == u) + return &(s[i]); + } + return NULL; +} + size_t -utf8validate(long *u, size_t i) { +utf8validate(Rune *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) @@ -643,7 +669,7 @@ void selinit(void) { memset(&sel.tclick1, 0, sizeof(sel.tclick1)); memset(&sel.tclick2, 0, sizeof(sel.tclick2)); - sel.mode = 0; + sel.mode = SEL_IDLE; sel.ob.x = -1; sel.primary = NULL; sel.clipboard = NULL; @@ -685,18 +711,18 @@ void selnormalize(void) { int i; - 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 { + if(sel.type == SEL_REGULAR && sel.ob.y != sel.oe.y) { sel.nb.x = sel.ob.y < sel.oe.y ? sel.ob.x : sel.oe.x; sel.ne.x = sel.ob.y < sel.oe.y ? sel.oe.x : sel.ob.x; + } else { + sel.nb.x = MIN(sel.ob.x, sel.oe.x); + sel.ne.x = MAX(sel.ob.x, sel.oe.x); } sel.nb.y = MIN(sel.ob.y, sel.oe.y); sel.ne.y = MAX(sel.ob.y, sel.oe.y); - selsnap(sel.snap, &sel.nb.x, &sel.nb.y, -1); - selsnap(sel.snap, &sel.ne.x, &sel.ne.y, +1); + selsnap(&sel.nb.x, &sel.nb.y, -1); + selsnap(&sel.ne.x, &sel.ne.y, +1); /* expand selection over line breaks */ if (sel.type == SEL_RECTANGULAR) @@ -710,6 +736,9 @@ selnormalize(void) { bool selected(int x, int y) { + if(sel.mode == SEL_EMPTY) + return false; + if(sel.type == SEL_RECTANGULAR) return BETWEEN(y, sel.nb.y, sel.ne.y) && BETWEEN(x, sel.nb.x, sel.ne.x); @@ -720,12 +749,12 @@ selected(int x, int y) { } void -selsnap(int mode, int *x, int *y, int direction) { +selsnap(int *x, int *y, int direction) { int newx, newy, xt, yt; bool delim, prevdelim; Glyph *gp, *prevgp; - switch(mode) { + switch(sel.snap) { case SNAP_WORD: /* * Snap around if the word wraps around at the end or @@ -772,15 +801,15 @@ selsnap(int mode, int *x, int *y, int direction) { * previous line will be selected. */ *x = (direction < 0) ? 0 : term.col - 1; - if(direction < 0 && *y > 0) { + if(direction < 0) { for(; *y > 0; *y += direction) { if(!(term.line[*y-1][term.col-1].mode & ATTR_WRAP)) { break; } } - } else if(direction > 0 && *y < term.row-1) { - for(; *y < term.row; *y += direction) { + } else if(direction > 0) { + for(; *y < term.row-1; *y += direction) { if(!(term.line[*y][term.col-1].mode & ATTR_WRAP)) { break; @@ -855,12 +884,11 @@ mousereport(XEvent *e) { } if(!IS_SET(MODE_MOUSEX10)) { - button += (state & ShiftMask ? 4 : 0) - + (state & Mod4Mask ? 8 : 0) - + (state & ControlMask ? 16 : 0); + button += ((state & ShiftMask ) ? 4 : 0) + + ((state & Mod4Mask ) ? 8 : 0) + + ((state & ControlMask) ? 16 : 0); } - len = 0; if(IS_SET(MODE_MOUSESGR)) { len = snprintf(buf, sizeof(buf), "\033[<%d;%d;%d%c", button, x+1, y+1, @@ -898,7 +926,7 @@ bpress(XEvent *e) { /* Clear previous selection, logically and visually. */ selclear(NULL); - sel.mode = 1; + sel.mode = SEL_EMPTY; sel.type = SEL_REGULAR; sel.oe.x = sel.ob.x = x2col(e->xbutton.x); sel.oe.y = sel.ob.y = y2row(e->xbutton.y); @@ -916,14 +944,9 @@ bpress(XEvent *e) { } selnormalize(); - /* - * Draw selection, unless it's regular and we don't want to - * make clicks visible - */ - if(sel.snap != 0) { - sel.mode++; - tsetdirt(sel.nb.y, sel.ne.y); - } + if(sel.snap != 0) + sel.mode = SEL_READY; + tsetdirt(sel.nb.y, sel.ne.y); sel.tclick2 = sel.tclick1; sel.tclick1 = now; } @@ -1062,6 +1085,7 @@ void selclear(XEvent *e) { if(sel.ob.x == -1) return; + sel.mode = SEL_IDLE; sel.ob.x = -1; tsetdirt(sel.nb.y, sel.ne.y); } @@ -1079,8 +1103,8 @@ selrequest(XEvent *e) { xev.selection = xsre->selection; xev.target = xsre->target; xev.time = xsre->time; - if (xsre->property == None) - xsre->property = xsre->target; + if (xsre->property == None) + xsre->property = xsre->target; /* reject */ xev.property = None; @@ -1129,8 +1153,8 @@ xsetsel(char *str, Time t) { sel.primary = str; XSetSelectionOwner(xw.dpy, XA_PRIMARY, xw.win, t); - if (XGetSelectionOwner(xw.dpy, XA_PRIMARY) != xw.win) - selclear(0); + if (XGetSelectionOwner(xw.dpy, XA_PRIMARY) != xw.win) + selclear(0); } void @@ -1143,13 +1167,12 @@ brelease(XEvent *e) { if(e->xbutton.button == Button2) { selpaste(NULL); } else if(e->xbutton.button == Button1) { - if(sel.mode < 2) { - selclear(NULL); - } else { + if(sel.mode == SEL_READY) { getbuttoninfo(e); selcopy(e->xbutton.time); - } - sel.mode = 0; + } else + selclear(NULL); + sel.mode = SEL_IDLE; tsetdirt(sel.nb.y, sel.ne.y); } } @@ -1166,7 +1189,7 @@ bmotion(XEvent *e) { if(!sel.mode) return; - sel.mode++; + sel.mode = SEL_READY; oldey = sel.oe.y; oldex = sel.oe.x; oldsby = sel.nb.y; @@ -1184,7 +1207,7 @@ die(const char *errstr, ...) { va_start(ap, errstr); vfprintf(stderr, errstr, ap); va_end(ap); - exit(EXIT_FAILURE); + exit(1); } void @@ -1233,20 +1256,23 @@ execsh(void) { signal(SIGALRM, SIG_DFL); execvp(prog, args); - _exit(EXIT_FAILURE); + _exit(1); } void sigchld(int a) { - int stat, ret; + int stat; + pid_t p; - if(waitpid(pid, &stat, 0) < 0) + if((p = waitpid(pid, &stat, WNOHANG)) < 0) die("Waiting for pid %hd failed: %s\n", pid, strerror(errno)); - ret = WIFEXITED(stat) ? WEXITSTATUS(stat) : EXIT_FAILURE; - if (ret != EXIT_SUCCESS) + if(pid != p) + return; + + if (!WIFEXITED(stat) || WEXITSTATUS(stat)) die("child finished with error '%d'\n", stat); - exit(EXIT_SUCCESS); + exit(0); } @@ -1282,8 +1308,7 @@ ttynew(void) { if(opt_io) { term.mode |= MODE_PRINT; iofd = (!strcmp(opt_io, "-")) ? - STDOUT_FILENO : - open(opt_io, O_WRONLY | O_CREAT, 0666); + 1 : open(opt_io, O_WRONLY | O_CREAT, 0666); if(iofd < 0) { fprintf(stderr, "Error opening %s:%s\n", opt_io, strerror(errno)); @@ -1293,7 +1318,7 @@ ttynew(void) { if (opt_line) { if((cmdfd = open(opt_line, O_RDWR)) < 0) die("open line failed: %s\n", strerror(errno)); - close(STDIN_FILENO); + close(0); dup(cmdfd); stty(); return; @@ -1310,9 +1335,9 @@ ttynew(void) { case 0: close(iofd); setsid(); /* create a new process group */ - dup2(s, STDIN_FILENO); - dup2(s, STDOUT_FILENO); - dup2(s, STDERR_FILENO); + 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); @@ -1332,9 +1357,8 @@ ttyread(void) { static char buf[BUFSIZ]; static int buflen = 0; char *ptr; - char s[UTF_SIZ]; int charsize; /* size of utf8 char in bytes */ - long unicodep; + Rune unicodep; int ret; /* append read bytes to unprocessed bytes */ @@ -1345,8 +1369,7 @@ ttyread(void) { buflen += ret; ptr = buf; while((charsize = utf8decode(ptr, &unicodep, buflen))) { - utf8encode(unicodep, s); - tputc(s, charsize); + tputc(unicodep); ptr += charsize; buflen -= charsize; } @@ -1363,9 +1386,16 @@ ttywrite(const char *s, size_t n) { void ttysend(char *s, size_t n) { + int len; + Rune u; + ttywrite(s, n); if(IS_SET(MODE_ECHO)) - techo(s, n); + while((len = utf8decode(s, &u, n)) > 0) { + techo(u); + n -= len; + s += len; + } } void @@ -1614,7 +1644,7 @@ tmoveto(int x, int y) { } void -tsetchar(char *c, Glyph *attr, int x, int y) { +tsetchar(Rune u, Glyph *attr, int x, int y) { static char *vt100_0[62] = { /* 0x41 - 0x7e */ "↑", "↓", "→", "←", "█", "▚", "☃", /* A - G */ 0, 0, 0, 0, 0, 0, 0, 0, /* H - O */ @@ -1629,11 +1659,9 @@ tsetchar(char *c, Glyph *attr, int x, int y) { /* * The table is proudly stolen from rxvt. */ - if(term.trantbl[term.charset] == CS_GRAPHIC0) { - if(BETWEEN(c[0], 0x41, 0x7e) && vt100_0[c[0] - 0x41]) { - c = vt100_0[c[0] - 0x41]; - } - } + if(term.trantbl[term.charset] == CS_GRAPHIC0 && + BETWEEN(u, 0x41, 0x7e) && vt100_0[u - 0x41]) + utf8decode(vt100_0[u - 0x41], &u, UTF_SIZ); if(term.line[y][x].mode & ATTR_WIDE) { if(x+1 < term.col) { @@ -1647,7 +1675,7 @@ tsetchar(char *c, Glyph *attr, int x, int y) { term.dirty[y] = 1; term.line[y][x] = *attr; - utf8decode(c, &term.line[y][x].u, UTF_SIZ); + term.line[y][x].u = u; } void @@ -1741,7 +1769,7 @@ tdefcolor(int *attr, int *npar, int l) { b = attr[*npar + 4]; *npar += 4; if(!BETWEEN(r, 0, 255) || !BETWEEN(g, 0, 255) || !BETWEEN(b, 0, 255)) - fprintf(stderr, "erresc: bad rgb color (%d,%d,%d)\n", + fprintf(stderr, "erresc: bad rgb color (%u,%u,%u)\n", r, g, b); else idx = TRUECOLOR(r, g, b); @@ -2431,26 +2459,18 @@ tputtab(int n) { } void -techo(char *buf, int len) { - for(; len > 0; buf++, len--) { - char c = *buf; - - if(ISCONTROL((uchar) c)) { /* control code */ - if(c & 0x80) { - c &= 0x7f; - tputc("^", 1); - tputc("[", 1); - } else if(c != '\n' && c != '\r' && c != '\t') { - c ^= 0x40; - tputc("^", 1); - } - tputc(&c, 1); - } else { - break; +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('^'); } } - if(len) - tputc(buf, len); + tputc(u); } void @@ -2468,13 +2488,12 @@ tdeftran(char ascii) { void tdectest(char c) { - static char E[UTF_SIZ] = "E"; int x, y; if(c == '8') { /* DEC screen alignment test. */ for(x = 0; x < term.col; ++x) { for(y = 0; y < term.row; ++y) - tsetchar(E, &term.c.attr, x, y); + tsetchar('E', &term.c.attr, x, y); } } } @@ -2502,8 +2521,6 @@ tstrsequence(uchar c) { void tcontrolcode(uchar ascii) { - static char question[UTF_SIZ] = "?"; - switch(ascii) { case '\t': /* HT */ tputtab(1); @@ -2541,7 +2558,7 @@ tcontrolcode(uchar ascii) { term.charset = 1 - (ascii - '\016'); return; case '\032': /* SUB */ - tsetchar(question, &term.c.attr, term.c.x, term.c.y); + tsetchar('?', &term.c.attr, term.c.x, term.c.y); case '\030': /* CAN */ csireset(); break; @@ -2665,28 +2682,21 @@ eschandle(uchar ascii) { } void -tputc(char *c, int len) { - uchar ascii; +tputc(Rune u) { + char c[UTF_SIZ]; bool control; - long unicodep; - int width; + int width, len; Glyph *gp; - if(len == 1) { + len = utf8encode(u, c); + if((width = wcwidth(u)) == -1) { + memcpy(c, "\357\277\275", 4); /* UTF_INVALID */ width = 1; - unicodep = ascii = *c; - } else { - utf8decode(c, &unicodep, UTF_SIZ); - if ((width = wcwidth(unicodep)) == -1) { - c = "\357\277\275"; /* UTF_INVALID */ - width = 1; - } - ascii = unicodep; } if(IS_SET(MODE_PRINT)) tprinter(c, len); - control = ISCONTROL(unicodep); + control = ISCONTROL(u); /* * STR sequence must be checked before anything else @@ -2695,10 +2705,8 @@ tputc(char *c, int len) { * character. */ if(term.esc & ESC_STR) { - if(len == 1 && - (ascii == '\a' || ascii == 030 || - ascii == 032 || ascii == 033 || - ISCONTROLC1(unicodep))) { + if(u == '\a' || u == 030 || u == 032 || u == 033 || + ISCONTROLC1(u)) { term.esc &= ~(ESC_START|ESC_STR); term.esc |= ESC_STR_END; } else if(strescseq.len + len < sizeof(strescseq.buf) - 1) { @@ -2729,15 +2737,15 @@ tputc(char *c, int len) { * they must not cause conflicts with sequences. */ if(control) { - tcontrolcode(ascii); + tcontrolcode(u); /* * control codes are not shown ever */ return; } else if(term.esc & ESC_START) { if(term.esc & ESC_CSI) { - csiescseq.buf[csiescseq.len++] = ascii; - if(BETWEEN(ascii, 0x40, 0x7E) + csiescseq.buf[csiescseq.len++] = u; + if(BETWEEN(u, 0x40, 0x7E) || csiescseq.len >= \ sizeof(csiescseq.buf)-1) { term.esc = 0; @@ -2746,11 +2754,11 @@ tputc(char *c, int len) { } return; } else if(term.esc & ESC_ALTCHARSET) { - tdeftran(ascii); + tdeftran(u); } else if(term.esc & ESC_TEST) { - tdectest(ascii); + tdectest(u); } else { - if (!eschandle(ascii)) + if (!eschandle(u)) return; /* sequence already finished */ } @@ -2779,7 +2787,7 @@ tputc(char *c, int len) { gp = &term.line[term.c.y][term.c.x]; } - tsetchar(c, &term.c.attr, term.c.x, term.c.y); + tsetchar(u, &term.c.attr, term.c.x, term.c.y); if(width == 2) { gp->mode |= ATTR_WIDE; @@ -2828,6 +2836,9 @@ tresize(int col, int row) { free(term.alt[i]); } + /* resize to new width */ + term.specbuf = xrealloc(term.specbuf, col * sizeof(XftGlyphFontSpec)); + /* resize to new height */ term.line = xrealloc(term.line, row * sizeof(Line)); term.alt = xrealloc(term.alt, row * sizeof(Line)); @@ -3048,7 +3059,6 @@ xloadfont(Font *f, FcPattern *pattern) { void xloadfonts(char *fontstr, double fontsize) { FcPattern *pattern; - FcResult r_sz, r_psz; double fontval; float ceilf(float); @@ -3067,11 +3077,11 @@ xloadfonts(char *fontstr, double fontsize) { FcPatternAddDouble(pattern, FC_PIXEL_SIZE, (double)fontsize); usedfontsize = fontsize; } else { - r_psz = FcPatternGetDouble(pattern, FC_PIXEL_SIZE, 0, &fontval); - r_sz = FcPatternGetDouble(pattern, FC_SIZE, 0, &fontval); - if(r_psz == FcResultMatch) { + if(FcPatternGetDouble(pattern, FC_PIXEL_SIZE, 0, &fontval) == + FcResultMatch) { usedfontsize = fontval; - } else if(r_sz == FcResultMatch) { + } else if(FcPatternGetDouble(pattern, FC_SIZE, 0, &fontval) == + FcResultMatch) { usedfontsize = -1; } else { /* @@ -3144,14 +3154,14 @@ void xzoom(const Arg *arg) { Arg larg; - larg.i = usedfontsize + arg->i; + larg.f = usedfontsize + arg->f; xzoomabs(&larg); } void xzoomabs(const Arg *arg) { xunloadfonts(); - xloadfonts(usedfont, arg->i); + xloadfonts(usedfont, arg->f); cresize(0, 0); redraw(); xhints(); @@ -3162,7 +3172,7 @@ xzoomreset(const Arg *arg) { Arg larg; if(defaultfontsize > 0) { - larg.i = defaultfontsize; + larg.f = defaultfontsize; xzoomabs(&larg); } } @@ -3266,38 +3276,155 @@ xinit(void) { XSync(xw.dpy, False); } -void -xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) { - int winx = borderpx + x * xw.cw, winy = borderpx + y * xw.ch, - width = charlen * xw.cw, xp, i; - int frcflags, charexists; - int u8fl, u8fblen, u8cblen, doesexist; - char *u8c, *u8fs; - long unicodep; +int +xmakeglyphfontspecs(XftGlyphFontSpec *specs, const Glyph *glyphs, int len, int x, int y) +{ + float winx = borderpx + x * xw.cw, winy = borderpx + y * xw.ch, xp, yp; + ushort mode, prevmode = USHRT_MAX; Font *font = &dc.font; + int frcflags = FRC_NORMAL; + float runewidth = xw.cw; + Rune rune; + FT_UInt glyphidx; FcResult fcres; FcPattern *fcpattern, *fontpattern; FcFontSet *fcsets[] = { NULL }; FcCharSet *fccharset; + int i, f, numspecs = 0; + + for(i = 0, xp = winx, yp = winy + font->ascent; i < len; ++i) { + /* Fetch rune and mode for current glyph. */ + rune = glyphs[i].u; + mode = glyphs[i].mode; + + /* Skip dummy wide-character spacing. */ + if(mode == ATTR_WDUMMY) + continue; + + /* Determine font for glyph if different from previous glyph. */ + if(prevmode != mode) { + prevmode = mode; + font = &dc.font; + frcflags = FRC_NORMAL; + runewidth = xw.cw * ((mode & ATTR_WIDE) ? 2.0f : 1.0f); + if((mode & ATTR_ITALIC) && (mode & ATTR_BOLD)) { + font = &dc.ibfont; + frcflags = FRC_ITALICBOLD; + } else if(mode & ATTR_ITALIC) { + font = &dc.ifont; + frcflags = FRC_ITALIC; + } else if(mode & ATTR_BOLD) { + font = &dc.bfont; + frcflags = FRC_BOLD; + } + yp = winy + font->ascent; + } + + /* Lookup character index with default font. */ + glyphidx = XftCharIndex(xw.dpy, font->match, rune); + if(glyphidx) { + specs[numspecs].font = font->match; + specs[numspecs].glyph = glyphidx; + specs[numspecs].x = (short)xp; + specs[numspecs].y = (short)yp; + xp += runewidth; + numspecs++; + continue; + } + + /* Fallback on font cache, search the font cache for match. */ + for(f = 0; f < frclen; f++) { + glyphidx = XftCharIndex(xw.dpy, frc[f].font, rune); + /* Everything correct. */ + if(glyphidx && frc[f].flags == frcflags) + break; + /* We got a default font for a not found glyph. */ + if(!glyphidx && frc[f].flags == frcflags + && frc[f].unicodep == rune) { + break; + } + } + + /* Nothing was found. Use fontconfig to find matching font. */ + if(f >= frclen) { + if(!font->set) + font->set = FcFontSort(0, font->pattern, + FcTrue, 0, &fcres); + fcsets[0] = font->set; + + /* + * 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, rune); + FcPatternAddCharSet(fcpattern, FC_CHARSET, + fccharset); + FcPatternAddBool(fcpattern, FC_SCALABLE, + FcTrue); + + FcConfigSubstitute(0, fcpattern, + FcMatchPattern); + FcDefaultSubstitute(fcpattern); + + fontpattern = FcFontSetMatch(0, fcsets, 1, + fcpattern, &fcres); + + /* + * Overwrite or create the new cache entry. + */ + if(frclen >= LEN(frc)) { + frclen = LEN(frc) - 1; + XftFontClose(xw.dpy, frc[frclen].font); + frc[frclen].unicodep = 0; + } + + frc[frclen].font = XftFontOpenPattern(xw.dpy, + fontpattern); + frc[frclen].flags = frcflags; + frc[frclen].unicodep = rune; + + glyphidx = XftCharIndex(xw.dpy, frc[frclen].font, rune); + + f = frclen; + frclen++; + + FcPatternDestroy(fcpattern); + FcCharSetDestroy(fccharset); + } + + specs[numspecs].font = frc[f].font; + specs[numspecs].glyph = glyphidx; + specs[numspecs].x = (short)xp; + specs[numspecs].y = (short)(winy + frc[f].font->ascent); + xp += runewidth; + numspecs++; + } + + return numspecs; +} + +void +xdrawglyphfontspecs(const XftGlyphFontSpec *specs, Glyph base, int len, int x, int y) { + int charlen = len * ((base.mode & ATTR_WIDE) ? 2 : 1); + int winx = borderpx + x * xw.cw, winy = borderpx + y * xw.ch, + width = charlen * xw.cw; Color *fg, *bg, *temp, revfg, revbg, truefg, truebg; XRenderColor colfg, colbg; XRectangle r; - int oneatatime; - - frcflags = FRC_NORMAL; - if(base.mode & ATTR_ITALIC) { - if(base.fg == defaultfg) + /* Determine foreground and background colors based on mode. */ + if(base.fg == defaultfg) { + if(base.mode & ATTR_ITALIC) base.fg = defaultitalic; - font = &dc.ifont; - frcflags = FRC_ITALIC; - } else if((base.mode & ATTR_ITALIC) && (base.mode & ATTR_BOLD)) { - if(base.fg == defaultfg) + else if((base.mode & ATTR_ITALIC) && (base.mode & ATTR_BOLD)) base.fg = defaultitalic; - font = &dc.ibfont; - frcflags = FRC_ITALICBOLD; - } else if(base.mode & ATTR_UNDERLINE) { - if(base.fg == defaultfg) + else if(base.mode & ATTR_UNDERLINE) base.fg = defaultunderline; } @@ -3323,22 +3450,9 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) { bg = &dc.col[base.bg]; } - if(base.mode & ATTR_BOLD) { - /* - * change basic system colors [0-7] - * to bright system colors [8-15] - */ - if(BETWEEN(base.fg, 0, 7) && !(base.mode & ATTR_FAINT)) - fg = &dc.col[base.fg + 8]; - - if(base.mode & ATTR_ITALIC) { - font = &dc.ibfont; - frcflags = FRC_ITALICBOLD; - } else { - font = &dc.bfont; - frcflags = FRC_BOLD; - } - } + /* Change basic system colors [0-7] to bright system colors [8-15] */ + if((base.mode & ATTR_BOLD_FAINT) == ATTR_BOLD && BETWEEN(base.fg, 0, 7)) + fg = &dc.col[base.fg + 8]; if(IS_SET(MODE_REVERSE)) { if(fg == &dc.col[defaultfg]) { @@ -3372,7 +3486,7 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) { bg = temp; } - if(base.mode & ATTR_FAINT && !(base.mode & ATTR_BOLD)) { + if((base.mode & ATTR_BOLD_FAINT) == ATTR_FAINT) { colfg.red = fg->color.red / 2; colfg.green = fg->color.green / 2; colfg.blue = fg->color.blue / 2; @@ -3410,136 +3524,17 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) { r.width = width; XftDrawSetClipRectangles(xw.draw, winx, winy, &r, 1); - for(xp = winx; bytelen > 0;) { - /* - * Search for the range in the to be printed string of glyphs - * that are in the main font. Then print that range. If - * some glyph is found that is not in the font, do the - * fallback dance. - */ - u8fs = s; - u8fblen = 0; - u8fl = 0; - oneatatime = font->width != xw.cw; - for(;;) { - u8c = s; - u8cblen = utf8decode(s, &unicodep, UTF_SIZ); - s += u8cblen; - bytelen -= u8cblen; - - doesexist = XftCharExists(xw.dpy, font->match, unicodep); - if(doesexist) { - u8fl++; - u8fblen += u8cblen; - if(!oneatatime && bytelen > 0) - continue; - } - - 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) - continue; - break; - } - - /* Search the font cache. */ - for(i = 0; i < frclen; i++) { - charexists = XftCharExists(xw.dpy, frc[i].font, unicodep); - /* Everything correct. */ - if(charexists && frc[i].flags == frcflags) - break; - /* We got a default font for a not found glyph. */ - if(!charexists && frc[i].flags == frcflags \ - && frc[i].unicodep == unicodep) { - break; - } - } - - /* Nothing was found. */ - if(i >= frclen) { - if(!font->set) - font->set = FcFontSort(0, font->pattern, - FcTrue, 0, &fcres); - fcsets[0] = font->set; - - /* - * 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, unicodep); - FcPatternAddCharSet(fcpattern, FC_CHARSET, - fccharset); - FcPatternAddBool(fcpattern, FC_SCALABLE, - FcTrue); - - FcConfigSubstitute(0, fcpattern, - FcMatchPattern); - FcDefaultSubstitute(fcpattern); - - fontpattern = FcFontSetMatch(0, fcsets, 1, - fcpattern, &fcres); - - /* - * Overwrite or create the new cache entry. - */ - if(frclen >= LEN(frc)) { - frclen = LEN(frc) - 1; - XftFontClose(xw.dpy, frc[frclen].font); - frc[frclen].unicodep = 0; - } - - frc[frclen].font = XftFontOpenPattern(xw.dpy, - fontpattern); - frc[frclen].flags = frcflags; - frc[frclen].unicodep = unicodep; - - i = frclen; - frclen++; - - FcPatternDestroy(fcpattern); - FcCharSetDestroy(fccharset); - } - - XftDrawStringUtf8(xw.draw, fg, frc[i].font, - xp, winy + frc[i].font->ascent, - (FcChar8 *)u8c, u8cblen); - - 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); - */ + /* Render the glyphs. */ + XftDrawGlyphFontSpec(xw.draw, fg, specs, len); + /* Render underline and strikethrough. */ if(base.mode & ATTR_UNDERLINE) { - XftDrawRect(xw.draw, fg, winx, winy + font->ascent + 1, + XftDrawRect(xw.draw, fg, winx, winy + dc.font.ascent + 1, width, 1); } if(base.mode & ATTR_STRUCK) { - XftDrawRect(xw.draw, fg, winx, winy + 2 * font->ascent / 3, + XftDrawRect(xw.draw, fg, winx, winy + 2 * dc.font.ascent / 3, width, 1); } @@ -3549,11 +3544,10 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) { void xdrawglyph(Glyph g, int x, int y) { - static char buf[UTF_SIZ]; - size_t len = utf8encode(g.u, buf); - int width = g.mode & ATTR_WIDE ? 2 : 1; - - xdraws(buf, g, x, y, width, len); + int numspecs; + XftGlyphFontSpec spec; + numspecs = xmakeglyphfontspecs(&spec, &g, 1, x, y); + xdrawglyphfontspecs(&spec, g, numspecs, x, y); } void @@ -3667,9 +3661,9 @@ draw(void) { void drawregion(int x1, int y1, int x2, int y2) { - int ic, ib, x, y, ox; + int i, x, y, ox, numspecs; Glyph base, new; - char buf[DRAW_BUF_SIZ]; + XftGlyphFontSpec* specs; bool ena_sel = sel.ob.x != -1 && sel.alt == IS_SET(MODE_ALTSCREEN); if(!(xw.state & WIN_VISIBLE)) @@ -3681,29 +3675,31 @@ drawregion(int x1, int y1, int x2, int y2) { xtermclear(0, y, term.col, y); term.dirty[y] = 0; - base = term.line[y][0]; - ic = ib = ox = 0; - for(x = x1; x < x2; x++) { + + specs = term.specbuf; + numspecs = xmakeglyphfontspecs(specs, &term.line[y][x1], x2 - x1, x1, y); + + i = ox = 0; + for(x = x1; x < x2 && i < numspecs; x++) { new = term.line[y][x]; if(new.mode == ATTR_WDUMMY) continue; if(ena_sel && selected(x, y)) new.mode ^= ATTR_REVERSE; - if(ib > 0 && (ATTRCMP(base, new) - || ib >= DRAW_BUF_SIZ-UTF_SIZ)) { - xdraws(buf, base, ox, y, ic, ib); - ic = ib = 0; + if(i > 0 && ATTRCMP(base, new)) { + xdrawglyphfontspecs(specs, base, i, ox, y); + specs += i; + numspecs -= i; + i = 0; } - if(ib == 0) { + if(i == 0) { ox = x; base = new; } - - ib += utf8encode(new.u, buf+ib); - ic += (new.mode & ATTR_WIDE)? 2 : 1; + i++; } - if(ib > 0) - xdraws(buf, base, ox, y, ic, ib); + if(i > 0) + xdrawglyphfontspecs(specs, base, i, ox, y); } xdrawcursor(); } @@ -3816,7 +3812,7 @@ kpress(XEvent *ev) { KeySym ksym; char buf[32], *customkey; int len; - long c; + Rune c; Status status; Shortcut *bp; @@ -3873,7 +3869,7 @@ cmessage(XEvent *e) { } else if(e->xclient.data.l[0] == xw.wmdeletewin) { /* Send SIGHUP to shell */ kill(pid, SIGHUP); - exit(EXIT_SUCCESS); + exit(0); } } @@ -3914,6 +3910,13 @@ run(void) { /* Waiting for window mapping */ do { XNextEvent(xw.dpy, &ev); + /* + * XFilterEvent is required to be called after you using XOpenIM, + * this is not unnecessary.It does not only filter the key event, + * but some clientmessage for input method as well. + */ + if(XFilterEvent(&ev, None)) + continue; if(ev.type == ConfigureNotify) { w = ev.xconfigure.width; h = ev.xconfigure.height; @@ -4028,7 +4031,7 @@ main(int argc, char *argv[]) { opt_class = EARGF(usage()); break; case 'e': - if(argc > 1) + if(argc > 0) --argc, ++argv; goto run; case 'f':