X-Git-Url: https://git.danieliu.xyz/?a=blobdiff_plain;f=st.c;h=b052b2bc5a45f21a05abc395c46a9b2854f3f876;hb=9de853a98da8fe0f458b244970f0e0d3e9b38a50;hp=d954288508f8432fae0efd78749e467931973bea;hpb=190b94c7a2a7bb2f5d55cbb6eb1779fd042c6467;p=st.git diff --git a/st.c b/st.c index d954288..b052b2b 100644 --- a/st.c +++ b/st.c @@ -6,7 +6,6 @@ #include #include #include -#include #include #include #include @@ -58,7 +57,6 @@ 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 +70,7 @@ 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 +85,19 @@ 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 +161,12 @@ 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 @@ -177,14 +182,16 @@ 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 */ - ushort fg; /* foreground */ - ushort bg; /* background */ + uint32_t fg; /* foreground */ + uint32_t bg; /* background */ } Glyph; typedef Glyph *Line; @@ -223,7 +230,8 @@ typedef struct { int col; /* nb col */ Line *line; /* screen */ Line *alt; /* alternate screen */ - bool *dirty; /* dirtyness of lines */ + int *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 */ @@ -232,8 +240,8 @@ typedef struct { char trantbl[4]; /* charset table translation */ int charset; /* current charset */ int icharset; /* selected charset for sequence */ - bool numlock; /* lock numbers in keyboard */ - bool *tabs; + int numlock; /* lock numbers in keyboard */ + int *tabs; } Term; /* Purely graphic info */ @@ -249,7 +257,7 @@ typedef struct { Visual *vis; XSetWindowAttributes attrs; int scr; - bool isfixed; /* is fixed geometry? */ + int isfixed; /* is fixed geometry? */ int l, t; /* left and top offset */ int gm; /* geometry mask */ int tw, th; /* tty width and height */ @@ -293,7 +301,7 @@ typedef struct { char *primary, *clipboard; Atom xtarget; - bool alt; + int alt; struct timespec tclick1; struct timespec tclick2; } Selection; @@ -383,25 +391,25 @@ static void tmoveato(int, int); static void tnew(int, int); static void tnewline(int); static void tputtab(int); -static void tputc(long); +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(long, 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 tsetmode(int, int, int *, int); static void tfulldirt(void); -static void techo(long); +static void techo(Rune); static void tcontrolcode(uchar ); static void tdectest(char ); static int32_t tdefcolor(int *, int *, int); static void tdeftran(char); -static inline bool match(uint, uint); +static inline int match(uint, uint); static void ttynew(void); static void ttyread(void); static void ttyresize(void); @@ -410,7 +418,8 @@ 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); @@ -449,21 +458,22 @@ static void selrequest(XEvent *); static void selinit(void); static void selnormalize(void); -static inline bool selected(int, int); +static inline int 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 +512,7 @@ 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 +528,8 @@ 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 +542,7 @@ 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 +590,9 @@ 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 +612,7 @@ 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 +621,7 @@ 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 +636,27 @@ 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 +668,7 @@ 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 +710,18 @@ 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) @@ -708,8 +733,11 @@ selnormalize(void) { sel.ne.x = term.col - 1; } -bool +int selected(int x, int y) { + if(sel.mode == SEL_EMPTY) + return 0; + if(sel.type == SEL_RECTANGULAR) return BETWEEN(y, sel.nb.y, sel.ne.y) && BETWEEN(x, sel.nb.x, sel.ne.x); @@ -720,12 +748,12 @@ 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; + int 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 +800,15 @@ 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; @@ -897,7 +925,7 @@ 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); @@ -915,14 +943,9 @@ 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; } @@ -1061,6 +1084,7 @@ 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); } @@ -1078,8 +1102,8 @@ 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; @@ -1118,7 +1142,7 @@ selrequest(XEvent *e) { } /* all done, send a notification to the listener */ - if(!XSendEvent(xsre->display, xsre->requestor, True, 0, (XEvent *) &xev)) + if(!XSendEvent(xsre->display, xsre->requestor, 1, 0, (XEvent *) &xev)) fprintf(stderr, "Error sending SelectionNotify event\n"); } @@ -1128,8 +1152,8 @@ 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 @@ -1142,13 +1166,12 @@ 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); } } @@ -1165,7 +1188,7 @@ 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; @@ -1183,7 +1206,7 @@ die(const char *errstr, ...) { va_start(ap, errstr); vfprintf(stderr, errstr, ap); va_end(ap); - exit(EXIT_FAILURE); + exit(1); } void @@ -1232,20 +1255,23 @@ 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); } @@ -1281,8 +1307,7 @@ 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)); @@ -1292,7 +1317,7 @@ 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; @@ -1309,9 +1334,9 @@ 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); @@ -1332,7 +1357,7 @@ ttyread(void) { static int buflen = 0; char *ptr; int charsize; /* size of utf8 char in bytes */ - long unicodep; + Rune unicodep; int ret; /* append read bytes to unprocessed bytes */ @@ -1361,7 +1386,7 @@ ttywrite(const char *s, size_t n) { void ttysend(char *s, size_t n) { int len; - long u; + Rune u; ttywrite(s, n); if(IS_SET(MODE_ECHO)) @@ -1431,7 +1456,7 @@ tfulldirt(void) { void tcursor(int mode) { static TCursor c[2]; - bool alt = IS_SET(MODE_ALTSCREEN); + int alt = IS_SET(MODE_ALTSCREEN); if(mode == CURSOR_SAVE) { c[alt] = term.c; @@ -1618,7 +1643,7 @@ tmoveto(int x, int y) { } void -tsetchar(long u, 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 */ @@ -1890,9 +1915,9 @@ tsetscroll(int t, int b) { } void -tsetmode(bool priv, bool set, int *args, int narg) { +tsetmode(int priv, int set, int *args, int narg) { int *lim, mode; - bool alt; + int alt; for(lim = args + narg; args < lim; ++args) { if(priv) { @@ -2433,7 +2458,7 @@ tputtab(int n) { } void -techo(long u) { +techo(Rune u) { if(ISCONTROL(u)) { /* control code */ if(u & 0x80) { u &= 0x7f; @@ -2656,9 +2681,9 @@ eschandle(uchar ascii) { } void -tputc(long u) { +tputc(Rune u) { char c[UTF_SIZ]; - bool control; + int control; int width, len; Glyph *gp; @@ -2782,7 +2807,7 @@ tresize(int col, int row) { int i; int minrow = MIN(row, term.row); int mincol = MIN(col, term.col); - bool *bp; + int *bp; TCursor c; if(col < 1 || row < 1) { @@ -2810,6 +2835,9 @@ 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)); @@ -2875,7 +2903,7 @@ sixd_to_16bit(int x) { return x == 0 ? 0 : 0x3737 + 0x2828 * x; } -bool +int xloadcolor(int i, const char *name, Color *ncolor) { XRenderColor color = { .alpha = 0xffff }; @@ -2900,7 +2928,7 @@ xloadcolor(int i, const char *name, Color *ncolor) { void xloadcols(void) { int i; - static bool loaded; + static int loaded; Color *cp; if(loaded) { @@ -2915,7 +2943,7 @@ xloadcols(void) { else die("Could not allocate color %d\n", i); } - loaded = true; + loaded = 1; } int @@ -2969,7 +2997,7 @@ xhints(void) { sizeh->width_inc = xw.cw; sizeh->base_height = 2 * borderpx; sizeh->base_width = 2 * borderpx; - if(xw.isfixed == True) { + if(xw.isfixed) { sizeh->flags |= PMaxSize | PMinSize; sizeh->min_width = sizeh->max_width = xw.w; sizeh->min_height = sizeh->max_height = xw.h; @@ -3030,7 +3058,6 @@ xloadfont(Font *f, FcPattern *pattern) { void xloadfonts(char *fontstr, double fontsize) { FcPattern *pattern; - FcResult r_sz, r_psz; double fontval; float ceilf(float); @@ -3049,11 +3076,11 @@ 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 { /* @@ -3126,14 +3153,14 @@ 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(); @@ -3144,7 +3171,7 @@ xzoomreset(const Arg *arg) { Arg larg; if(defaultfontsize > 0) { - larg.i = defaultfontsize; + larg.f = defaultfontsize; xzoomabs(&larg); } } @@ -3248,38 +3275,154 @@ 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, + 1, 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, 1); + + 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; } @@ -3305,22 +3448,9 @@ 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]) { @@ -3354,7 +3484,7 @@ 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; @@ -3392,136 +3522,17 @@ 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); } @@ -3531,11 +3542,10 @@ 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 @@ -3649,10 +3659,10 @@ 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]; - bool ena_sel = sel.ob.x != -1 && sel.alt == IS_SET(MODE_ALTSCREEN); + XftGlyphFontSpec* specs; + int ena_sel = sel.ob.x != -1 && sel.alt == IS_SET(MODE_ALTSCREEN); if(!(xw.state & WIN_VISIBLE)) return; @@ -3663,29 +3673,31 @@ 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(); } @@ -3743,7 +3755,7 @@ focus(XEvent *ev) { } } -bool +int match(uint mask, uint state) { return mask == XK_ANY_MOD || mask == (state & ~ignoremod); } @@ -3798,7 +3810,7 @@ kpress(XEvent *ev) { KeySym ksym; char buf[32], *customkey; int len; - long c; + Rune c; Status status; Shortcut *bp; @@ -3855,7 +3867,7 @@ cmessage(XEvent *e) { } else if(e->xclient.data.l[0] == xw.wmdeletewin) { /* Send SIGHUP to shell */ kill(pid, SIGHUP); - exit(EXIT_SUCCESS); + exit(0); } } @@ -3896,6 +3908,13 @@ 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; @@ -4004,13 +4023,13 @@ main(int argc, char *argv[]) { ARGBEGIN { case 'a': - allowaltscreen = false; + allowaltscreen = 0; break; case 'c': opt_class = EARGF(usage()); break; case 'e': - if(argc > 1) + if(argc > 0) --argc, ++argv; goto run; case 'f': @@ -4021,7 +4040,7 @@ main(int argc, char *argv[]) { &xw.l, &xw.t, &cols, &rows); break; case 'i': - xw.isfixed = True; + xw.isfixed = 1; break; case 'o': opt_io = EARGF(usage());