X-Git-Url: https://jasonwoof.com/gitweb/?p=st.git;a=blobdiff_plain;f=st.c;h=64366afb3e9393613db1460faed9c5bd9090c05c;hp=42061b9809a3e4221fb6ac9564cf35057e6d4d60;hb=f4a6c20f464df79a9b15b4a2a11daaa7a06c60a0;hpb=2696f8187509eb94644bbac5b05348e37c391bea diff --git a/st.c b/st.c index 42061b9..64366af 100644 --- a/st.c +++ b/st.c @@ -44,7 +44,7 @@ #endif #define USAGE \ - "st " VERSION " (c) 2010-2012 st engineers\n" \ + "st " VERSION " (c) 2010-2013 st engineers\n" \ "usage: st [-v] [-c class] [-f font] [-g geometry] [-o file]" \ " [-t title] [-w windowid] [-e command ...]\n" @@ -53,14 +53,15 @@ #define XEMBED_FOCUS_OUT 5 /* Arbitrary sizes */ -#define ESC_BUF_SIZ 256 +#define UTF_SIZ 4 +#define ESC_BUF_SIZ (128*UTF_SIZ) #define ESC_ARG_SIZ 16 -#define STR_BUF_SIZ 256 -#define STR_ARG_SIZ 16 +#define STR_BUF_SIZ ESC_BUF_SIZ +#define STR_ARG_SIZ ESC_ARG_SIZ #define DRAW_BUF_SIZ 20*1024 -#define UTF_SIZ 4 #define XK_ANY_MOD UINT_MAX #define XK_NO_MOD 0 +#define XK_SWITCH_MOD (1<<13) #define REDRAW_TIMEOUT (80*1000) /* 80 ms */ @@ -117,7 +118,8 @@ enum term_mode { MODE_KBDLOCK = 256, MODE_HIDE = 512, MODE_ECHO = 1024, - MODE_APPCURSOR = 2048 + MODE_APPCURSOR = 2048, + MODE_MOUSESGR = 4096, }; enum escape_state { @@ -152,7 +154,7 @@ typedef struct { uchar state; /* state flags */ } Glyph; -typedef Glyph* Line; +typedef Glyph *Line; typedef struct { Glyph attr; /* current char attributes */ @@ -168,7 +170,7 @@ typedef struct { int len; /* raw string length */ char priv; int arg[ESC_ARG_SIZ]; - int narg; /* nb of args */ + int narg; /* nb of args */ char mode; } CSIEscape; @@ -203,7 +205,7 @@ typedef struct { Display *dpy; Colourmap cmap; Window win; - XdbeBackBuffer buf; + Drawable buf; Atom xembed, wmdeletewin; XIM xim; XIC xic; @@ -213,8 +215,7 @@ typedef struct { bool isfixed; /* is fixed geometry? */ int fx, fy, fw, fh; /* fixed geometry */ int tw, th; /* tty width and height */ - int w; /* window width */ - int h; /* window height */ + int w, h; /* window width and height */ int ch; /* char height */ int cw; /* char width */ char state; /* focus, redraw, visible */ @@ -275,18 +276,21 @@ typedef struct { int descent; short lbearing; short rbearing; - XftFont *set; + XftFont *match; + FcFontSet *set; + FcPattern *pattern; } Font; /* Drawing Context */ typedef struct { Colour col[LEN(colorname) < 256 ? 256 : LEN(colorname)]; Font font, bfont, ifont, ibfont; + GC gc; } DC; static void die(const char *, ...); static void draw(void); -static void redraw(void); +static void redraw(int); static void drawregion(int, int, int, int); static void execsh(void); static void sigchld(int); @@ -301,7 +305,7 @@ static void strhandle(void); static void strparse(void); static void strreset(void); -static void tclearregion(int, int, int, int); +static void tclearregion(int, int, int, int, int); static void tcursor(int); static void tdeletechar(int); static void tdeleteline(int); @@ -338,10 +342,13 @@ static void xclear(int, int, int, int); static void xdrawcursor(void); static void xinit(void); static void xloadcols(void); +static int xloadfont(Font *, FcPattern *); +static void xloadfonts(char *, int); static void xresettitle(void); static void xseturgency(int); static void xsetsel(char*); static void xtermclear(int, int, int, int); +static void xunloadfonts(void); static void xresize(int, int); static void expose(XEvent *); @@ -350,7 +357,7 @@ static void unmap(XEvent *); static char *kmap(KeySym, uint); static void kpress(XEvent *); static void cmessage(XEvent *); -static void cresize(int width, int height); +static void cresize(int, int); static void resize(XEvent *); static void focus(XEvent *); static void brelease(XEvent *); @@ -373,7 +380,7 @@ static int isfullutf8(char *, int); static ssize_t xwrite(int, char *, size_t); static void *xmalloc(size_t); static void *xrealloc(void *, size_t); -static void *xcalloc(size_t nmemb, size_t size); +static void *xcalloc(size_t, size_t); static void (*handler[LASTEvent])(XEvent *) = { [KeyPress] = kpress, @@ -409,9 +416,33 @@ static char *opt_embed = NULL; static char *opt_class = NULL; static char *opt_font = NULL; +bool usedbe = False; + static char *usedfont = NULL; static int usedfontsize = 0; +/* Font Ring Cache */ +enum { + FRC_NORMAL, + FRC_ITALIC, + FRC_BOLD, + FRC_ITALICBOLD +}; + +typedef struct { + XftFont *font; + long c; + int flags; +} Fontcache; + +/* + * Fontcache is a ring buffer, with frccur as current position and frclen as + * the current length of used elements. + */ + +static Fontcache frc[1024]; +static int frccur = -1, frclen = 0; + ssize_t xwrite(int fd, char *s, size_t len) { size_t aux = len; @@ -637,11 +668,10 @@ getbuttoninfo(XEvent *e) { void mousereport(XEvent *e) { - int x = x2col(e->xbutton.x); - int y = y2row(e->xbutton.y); - int button = e->xbutton.button; - int state = e->xbutton.state; - char buf[] = { '\033', '[', 'M', 0, 32+x+1, 32+y+1 }; + int x = x2col(e->xbutton.x), y = y2row(e->xbutton.y), + button = e->xbutton.button, state = e->xbutton.state, + len; + char buf[40]; static int ob, ox, oy; /* from urxvt */ @@ -650,7 +680,9 @@ mousereport(XEvent *e) { return; button = ob + 32; ox = x, oy = y; - } else if(e->xbutton.type == ButtonRelease || button == AnyButton) { + } else if(!IS_SET(MODE_MOUSESGR) + && (e->xbutton.type == ButtonRelease + || button == AnyButton)) { button = 3; } else { button -= Button1; @@ -662,11 +694,23 @@ mousereport(XEvent *e) { } } - buf[3] = 32 + button + (state & ShiftMask ? 4 : 0) + button += (state & ShiftMask ? 4 : 0) + (state & Mod4Mask ? 8 : 0) + (state & ControlMask ? 16 : 0); - ttywrite(buf, sizeof(buf)); + len = 0; + if(IS_SET(MODE_MOUSESGR)) { + len = snprintf(buf, sizeof(buf), "\033[<%d;%d;%d%c", + button, x+1, y+1, + e->xbutton.type == ButtonRelease ? 'm' : 'M'); + } else if(x < 223 && y < 223) { + len = snprintf(buf, sizeof(buf), "\033[M%c%c%c", + 32+button, 32+x+1, 32+y+1); + } else { + return; + } + + ttywrite(buf, len); } void @@ -1084,7 +1128,7 @@ treset(void) { term.bot = term.row - 1; term.mode = MODE_WRAP; - tclearregion(0, 0, term.col-1, term.row-1); + tclearregion(0, 0, term.col-1, term.row-1, 0); tmoveto(0, 0); tcursor(CURSOR_SAVE); } @@ -1128,7 +1172,7 @@ tscrolldown(int orig, int n) { LIMIT(n, 0, term.bot-orig+1); - tclearregion(0, term.bot-n+1, term.col-1, term.bot); + tclearregion(0, term.bot-n+1, term.col-1, term.bot, 0); for(i = term.bot; i >= orig+n; i--) { temp = term.line[i]; @@ -1148,7 +1192,7 @@ tscrollup(int orig, int n) { Line temp; LIMIT(n, 0, term.bot-orig+1); - tclearregion(0, orig, term.col-1, orig+n-1); + tclearregion(0, orig, term.col-1, orig+n-1, 0); for(i = orig; i <= term.bot-n; i++) { temp = term.line[i]; @@ -1276,7 +1320,7 @@ tsetchar(char *c, Glyph *attr, int x, int y) { } void -tclearregion(int x1, int y1, int x2, int y2) { +tclearregion(int x1, int y1, int x2, int y2, int bce) { int x, y, temp; if(x1 > x2) @@ -1291,8 +1335,15 @@ tclearregion(int x1, int y1, int x2, int y2) { for(y = y1; y <= y2; y++) { term.dirty[y] = 1; - for(x = x1; x <= x2; x++) - term.line[y][x].state = 0; + for(x = x1; x <= x2; x++) { + if(bce) { + term.line[y][x] = term.c.attr; + memcpy(term.line[y][x].c, " ", 2); + term.line[y][x].state |= GLYPH_SET; + } else { + term.line[y][x].state = 0; + } + } } } @@ -1305,13 +1356,13 @@ tdeletechar(int n) { term.dirty[term.c.y] = 1; if(src >= term.col) { - tclearregion(term.c.x, term.c.y, term.col-1, term.c.y); + tclearregion(term.c.x, term.c.y, term.col-1, term.c.y, 0); return; } memmove(&term.line[term.c.y][dst], &term.line[term.c.y][src], size * sizeof(Glyph)); - tclearregion(term.col-n, term.c.y, term.col-1, term.c.y); + tclearregion(term.col-n, term.c.y, term.col-1, term.c.y, 0); } void @@ -1323,13 +1374,13 @@ tinsertblank(int n) { term.dirty[term.c.y] = 1; if(dst >= term.col) { - tclearregion(term.c.x, term.c.y, term.col-1, term.c.y); + tclearregion(term.c.x, term.c.y, term.col-1, term.c.y, 0); return; } memmove(&term.line[term.c.y][dst], &term.line[term.c.y][src], size * sizeof(Glyph)); - tclearregion(src, term.c.y, dst - 1, term.c.y); + tclearregion(src, term.c.y, dst - 1, term.c.y, 0); } void @@ -1363,13 +1414,14 @@ tsetattr(int *attr, int l) { case 1: term.c.attr.mode |= ATTR_BOLD; break; - case 3: /* enter standout (highlight) */ + case 3: term.c.attr.mode |= ATTR_ITALIC; break; case 4: term.c.attr.mode |= ATTR_UNDERLINE; break; - case 5: + case 5: /* slow blink */ + case 6: /* rapid blink */ term.c.attr.mode |= ATTR_BLINK; break; case 7: @@ -1379,13 +1431,14 @@ tsetattr(int *attr, int l) { case 22: term.c.attr.mode &= ~ATTR_BOLD; break; - case 23: /* leave standout (highlight) mode */ + case 23: term.c.attr.mode &= ~ATTR_ITALIC; break; case 24: term.c.attr.mode &= ~ATTR_UNDERLINE; break; case 25: + case 26: term.c.attr.mode &= ~ATTR_BLINK; break; case 27: @@ -1481,7 +1534,7 @@ tsetmode(bool priv, bool set, int *args, int narg) { mode = term.mode; MODBIT(term.mode, set, MODE_REVERSE); if(mode != term.mode) - redraw(); + redraw(REDRAW_TIMEOUT); break; case 6: /* DECOM -- Origin */ MODBIT(term.c.state, set, CURSOR_ORIGIN); @@ -1505,16 +1558,23 @@ tsetmode(bool priv, bool set, int *args, int narg) { break; case 1000: /* 1000,1002: enable xterm mouse report */ MODBIT(term.mode, set, MODE_MOUSEBTN); + MODBIT(term.mode, 0, MODE_MOUSEMOTION); break; case 1002: MODBIT(term.mode, set, MODE_MOUSEMOTION); + MODBIT(term.mode, 0, MODE_MOUSEBTN); + break; + case 1006: + MODBIT(term.mode, set, MODE_MOUSESGR); break; case 1049: /* = 1047 and 1048 */ case 47: case 1047: { alt = IS_SET(MODE_ALTSCREEN); - if(alt) - tclearregion(0, 0, term.col-1, term.row-1); + if(alt) { + tclearregion(0, 0, term.col-1, + term.row-1, 0); + } if(set ^ alt) /* set is always 1 or 0 */ tswapscreen(); if(*args != 1049) @@ -1633,17 +1693,19 @@ csihandle(void) { sel.bx = -1; switch(csiescseq.arg[0]) { case 0: /* below */ - tclearregion(term.c.x, term.c.y, term.col-1, term.c.y); - if(term.c.y < term.row-1) - tclearregion(0, term.c.y+1, term.col-1, term.row-1); + tclearregion(term.c.x, term.c.y, term.col-1, term.c.y, 1); + if(term.c.y < term.row-1) { + tclearregion(0, term.c.y+1, term.col-1, + term.row-1, 1); + } break; case 1: /* above */ if(term.c.y > 1) - tclearregion(0, 0, term.col-1, term.c.y-1); - tclearregion(0, term.c.y, term.c.x, term.c.y); + tclearregion(0, 0, term.col-1, term.c.y-1, 1); + tclearregion(0, term.c.y, term.c.x, term.c.y, 1); break; case 2: /* all */ - tclearregion(0, 0, term.col-1, term.row-1); + tclearregion(0, 0, term.col-1, term.row-1, 1); break; default: goto unknown; @@ -1652,13 +1714,14 @@ csihandle(void) { case 'K': /* EL -- Clear line */ switch(csiescseq.arg[0]) { case 0: /* right */ - tclearregion(term.c.x, term.c.y, term.col-1, term.c.y); + tclearregion(term.c.x, term.c.y, term.col-1, + term.c.y, 1); break; case 1: /* left */ - tclearregion(0, term.c.y, term.c.x, term.c.y); + tclearregion(0, term.c.y, term.c.x, term.c.y, 1); break; case 2: /* all */ - tclearregion(0, term.c.y, term.col-1, term.c.y); + tclearregion(0, term.c.y, term.col-1, term.c.y, 1); break; } break; @@ -1683,7 +1746,8 @@ csihandle(void) { break; case 'X': /* ECH -- Erase char */ DEFAULT(csiescseq.arg[0], 1); - tclearregion(term.c.x, term.c.y, term.c.x + csiescseq.arg[0], term.c.y); + tclearregion(term.c.x, term.c.y, + term.c.x + csiescseq.arg[0] - 1, term.c.y, 1); break; case 'P': /* DCH -- Delete char */ DEFAULT(csiescseq.arg[0], 1); @@ -1884,12 +1948,13 @@ tputc(char *c, int len) { if(iofd != -1) { if (xwrite(iofd, c, len) < 0) { - fprintf(stderr, "Error writting in %s:%s\n", + fprintf(stderr, "Error writing in %s:%s\n", opt_io, strerror(errno)); close(iofd); iofd = -1; } } + /* * STR sequences must be checked before anything else * because it can use some control codes as part of the sequence. @@ -1904,10 +1969,23 @@ tputc(char *c, int len) { strhandle(); break; default: - strescseq.buf[strescseq.len++] = ascii; - if(strescseq.len+1 >= STR_BUF_SIZ) { - term.esc = 0; - strhandle(); + if(strescseq.len + len < sizeof(strescseq.buf)) { + memmove(&strescseq.buf[strescseq.len], c, len); + strescseq.len += len; + } else { + /* + * Here is a bug in terminals. If the user never sends + * some code to stop the str or esc command, then st + * will stop responding. But this is better than + * silently failing with unknown characters. At least + * then users will report back. + * + * In the case users ever get fixed, here is the code: + */ + /* + * term.esc = 0; + * strhandle(); + */ } } return; @@ -1944,10 +2022,13 @@ tputc(char *c, int len) { term.esc = ESC_START; return; case '\016': /* SO */ - term.c.attr.mode |= ATTR_GFX; - return; case '\017': /* SI */ - term.c.attr.mode &= ~ATTR_GFX; + /* + * 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. + */ return; case '\032': /* SUB */ case '\030': /* CAN */ @@ -2128,9 +2209,11 @@ tresize(int col, int row) { /* free unneeded rows */ i = 0; if(slide > 0) { - /* slide screen to keep cursor where we expect it - + /* + * slide screen to keep cursor where we expect it - * tscrollup would work here, but we can optimize to - * memmove because we're freeing the earlier lines */ + * memmove because we're freeing the earlier lines + */ for(/* i = 0 */; i < slide; i++) { free(term.line[i]); free(term.alt[i]); @@ -2191,6 +2274,14 @@ xresize(int col, int row) { xw.tw = MAX(1, col * xw.cw); xw.th = MAX(1, row * xw.ch); + if(!usedbe) { + XFreePixmap(xw.dpy, xw.buf); + xw.buf = XCreatePixmap(xw.dpy, xw.win, xw.w, xw.h, + DefaultDepth(xw.dpy, xw.scr)); + XSetForeground(xw.dpy, dc.gc, dc.col[IS_SET(MODE_REVERSE) ? defaultfg : defaultbg].pixel); + XFillRectangle(xw.dpy, xw.buf, dc.gc, 0, 0, xw.w, xw.h); + } + XftDrawChange(xw.draw, xw.buf); } @@ -2248,7 +2339,7 @@ xtermclear(int col1, int row1, int col2, int row2) { void xclear(int x1, int y1, int x2, int y2) { XftDrawRect(xw.draw, - &dc.col[IS_SET(MODE_REVERSE) ? defaultfg : defaultbg], + &dc.col[IS_SET(MODE_REVERSE)? defaultfg : defaultbg], x1, y1, x2-x1, y2-y1); } @@ -2282,20 +2373,28 @@ xloadfont(Font *f, FcPattern *pattern) { FcPattern *match; FcResult result; - match = XftFontMatch(xw.dpy, xw.scr, pattern, &result); + match = FcFontMatch(NULL, pattern, &result); if(!match) return 1; - if(!(f->set = XftFontOpenPattern(xw.dpy, match))) { + + if(!(f->set = FcFontSort(0, match, FcTrue, 0, &result))) { + FcPatternDestroy(match); + return 1; + } + + if(!(f->match = XftFontOpenPattern(xw.dpy, match))) { FcPatternDestroy(match); return 1; } - f->ascent = f->set->ascent; - f->descent = f->set->descent; + f->pattern = FcPatternDuplicate(pattern); + + f->ascent = f->match->ascent; + f->descent = f->match->descent; f->lbearing = 0; - f->rbearing = f->set->max_advance_width; + f->rbearing = f->match->max_advance_width; - f->height = f->set->height; + f->height = f->match->height; f->width = f->lbearing + f->rbearing; return 0; @@ -2334,6 +2433,9 @@ xloadfonts(char *fontstr, int fontsize) { } } + FcConfigSubstitute(0, pattern, FcMatchPattern); + FcDefaultSubstitute(pattern); + if(xloadfont(&dc.font, pattern)) die("st: can't open font %s\n", fontstr); @@ -2341,7 +2443,9 @@ xloadfonts(char *fontstr, int fontsize) { xw.cw = dc.font.width; xw.ch = dc.font.height; + FcPatternDel(pattern, FC_SLANT); FcPatternDel(pattern, FC_WEIGHT); + FcPatternAddInteger(pattern, FC_SLANT, FC_SLANT_ROMAN); FcPatternAddInteger(pattern, FC_WEIGHT, FC_WEIGHT_BOLD); if(xloadfont(&dc.bfont, pattern)) die("st: can't open font %s\n", fontstr); @@ -2352,6 +2456,7 @@ xloadfonts(char *fontstr, int fontsize) { die("st: can't open font %s\n", fontstr); FcPatternDel(pattern, FC_WEIGHT); + FcPatternAddInteger(pattern, FC_WEIGHT, FC_WEIGHT_MEDIUM); if(xloadfont(&dc.ifont, pattern)) die("st: can't open font %s\n", fontstr); @@ -2359,16 +2464,47 @@ xloadfonts(char *fontstr, int fontsize) { } void -xzoom(const Arg *arg) -{ +xunloadfonts(void) { + int i, ip; + + /* + * Free the loaded fonts in the font cache. This is done backwards + * from the frccur. + */ + for (i = 0, ip = frccur; i < frclen; i++, ip--) { + if (ip < 0) + ip = LEN(frc) - 1; + XftFontClose(xw.dpy, frc[ip].font); + } + frccur = -1; + frclen = 0; + + XftFontClose(xw.dpy, dc.font.match); + FcPatternDestroy(dc.font.pattern); + FcFontSetDestroy(dc.font.set); + XftFontClose(xw.dpy, dc.bfont.match); + FcPatternDestroy(dc.bfont.pattern); + FcFontSetDestroy(dc.bfont.set); + XftFontClose(xw.dpy, dc.ifont.match); + FcPatternDestroy(dc.ifont.pattern); + FcFontSetDestroy(dc.ifont.set); + XftFontClose(xw.dpy, dc.ibfont.match); + FcPatternDestroy(dc.ibfont.pattern); + FcFontSetDestroy(dc.ibfont.set); +} + +void +xzoom(const Arg *arg) { + xunloadfonts(); xloadfonts(usedfont, usedfontsize + arg->i); cresize(0, 0); - draw(); + redraw(0); } void xinit(void) { XSetWindowAttributes attrs; + XGCValues gcvalues; Cursor cursor; Window parent; int sw, sh, major, minor; @@ -2379,6 +2515,9 @@ xinit(void) { xw.vis = XDefaultVisual(xw.dpy, xw.scr); /* font */ + if (!FcInit()) + die("Could not init fontconfig.\n"); + usedfont = (opt_font == NULL)? font : opt_font; xloadfonts(usedfont, 0); @@ -2405,6 +2544,7 @@ xinit(void) { xw.fy = 0; } + /* Events */ attrs.background_pixel = dc.col[defaultbg].pixel; attrs.border_pixel = dc.col[defaultbg].pixel; attrs.bit_gravity = NorthWestGravity; @@ -2413,7 +2553,8 @@ xinit(void) { | ButtonMotionMask | ButtonPressMask | ButtonReleaseMask; attrs.colormap = xw.cmap; - parent = opt_embed ? strtol(opt_embed, NULL, 0) : XRootWindow(xw.dpy, xw.scr); + parent = opt_embed ? strtol(opt_embed, NULL, 0) : \ + XRootWindow(xw.dpy, xw.scr); xw.win = XCreateWindow(xw.dpy, parent, xw.fx, xw.fy, xw.w, xw.h, 0, XDefaultDepth(xw.dpy, xw.scr), InputOutput, xw.vis, @@ -2422,18 +2563,46 @@ xinit(void) { &attrs); /* double buffering */ - if(!XdbeQueryExtension(xw.dpy, &major, &minor)) - die("Xdbe extension is not present\n"); - xw.buf = XdbeAllocateBackBufferName(xw.dpy, xw.win, XdbeCopied); + /* + if(XdbeQueryExtension(xw.dpy, &major, &minor)) { + xw.buf = XdbeAllocateBackBufferName(xw.dpy, xw.win, + XdbeBackground); + usedbe = True; + } else { + */ + memset(&gcvalues, 0, sizeof(gcvalues)); + gcvalues.graphics_exposures = False; + dc.gc = XCreateGC(xw.dpy, parent, GCGraphicsExposures, + &gcvalues); + xw.buf = XCreatePixmap(xw.dpy, xw.win, xw.w, xw.h, + DefaultDepth(xw.dpy, xw.scr)); + XSetForeground(xw.dpy, dc.gc, dc.col[defaultbg].pixel); + XFillRectangle(xw.dpy, xw.buf, dc.gc, 0, 0, xw.w, xw.h); + //xw.buf = xw.win; + /* + } + */ /* Xft rendering context */ xw.draw = XftDrawCreate(xw.dpy, xw.buf, xw.vis, xw.cmap); /* input methods */ - xw.xim = XOpenIM(xw.dpy, NULL, NULL, NULL); + if((xw.xim = XOpenIM(xw.dpy, NULL, NULL, NULL)) == NULL) { + XSetLocaleModifiers("@im=local"); + if((xw.xim = XOpenIM(xw.dpy, NULL, NULL, NULL)) == NULL) { + XSetLocaleModifiers("@im="); + if((xw.xim = XOpenIM(xw.dpy, + NULL, NULL, NULL)) == NULL) { + die("XOpenIM failed. Could not open input" + " device.\n"); + } + } + } xw.xic = XCreateIC(xw.xim, XNInputStyle, XIMPreeditNothing | XIMStatusNothing, XNClientWindow, xw.win, XNFocusWindow, xw.win, NULL); + if(xw.xic == NULL) + die("XCreateIC failed. Could not obtain input method.\n"); /* white cursor, black outline */ cursor = XCreateFontCursor(xw.dpy, XC_xterm); @@ -2455,13 +2624,22 @@ xinit(void) { 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; + width = charlen * xw.cw, xp, i; + int frp, frcflags; + int u8fl, u8fblen, u8cblen, doesexist; + char *u8c, *u8fs; + long u8char; Font *font = &dc.font; - XGlyphInfo extents; + FcResult fcres; + FcPattern *fcpattern, *fontpattern; + FcFontSet *fcsets[] = { NULL }; + FcCharSet *fccharset; Colour *fg = &dc.col[base.fg], *bg = &dc.col[base.bg], *temp, revfg, revbg; XRenderColor colfg, colbg; + frcflags = FRC_NORMAL; + if(base.mode & ATTR_BOLD) { if(BETWEEN(base.fg, 0, 7)) { /* basic system colors */ @@ -2480,12 +2658,17 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) { * 252 - 255 – brightest colors in greyscale */ font = &dc.bfont; + frcflags = FRC_BOLD; } - if(base.mode & ATTR_ITALIC) + if(base.mode & ATTR_ITALIC) { font = &dc.ifont; - if((base.mode & ATTR_ITALIC) && (base.mode & ATTR_BOLD)) + frcflags = FRC_ITALIC; + } + if((base.mode & ATTR_ITALIC) && (base.mode & ATTR_BOLD)) { font = &dc.ibfont; + frcflags = FRC_ITALICBOLD; + } if(IS_SET(MODE_REVERSE)) { if(fg == &dc.col[defaultfg]) { @@ -2511,30 +2694,142 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) { } } - if(base.mode & ATTR_REVERSE) - temp = fg, fg = bg, bg = temp; - - XftTextExtentsUtf8(xw.dpy, font->set, (FcChar8 *)s, bytelen, - &extents); - width = extents.xOff; + if(base.mode & ATTR_REVERSE) { + temp = fg; + fg = bg; + bg = temp; + } /* Intelligent cleaning up of the borders. */ if(x == 0) { xclear(0, (y == 0)? 0 : winy, borderpx, - winy + xw.ch + (y == term.row-1)? xw.h : 0); + winy + xw.ch + ((y >= term.row-1)? xw.h : 0)); } - if(x + charlen >= term.col-1) { + if(x + charlen >= term.col) { xclear(winx + width, (y == 0)? 0 : winy, xw.w, - (y == term.row-1)? xw.h : (winy + xw.ch)); + ((y >= term.row-1)? xw.h : (winy + xw.ch))); } if(y == 0) xclear(winx, 0, winx + width, borderpx); if(y == term.row-1) xclear(winx, winy + xw.ch, winx + width, xw.h); + /* Clean up the region we want to draw to. */ XftDrawRect(xw.draw, bg, winx, winy, width, xw.ch); + + fcsets[0] = font->set; + 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; + for (;;) { + u8c = s; + u8cblen = utf8decode(s, &u8char); + s += u8cblen; + bytelen -= u8cblen; + + doesexist = XftCharIndex(xw.dpy, font->match, u8char); + if (!doesexist || bytelen <= 0) { + if (bytelen <= 0) { + if (doesexist) { + u8fl++; + u8fblen += u8cblen; + } + } + + if (u8fl > 0) { + XftDrawStringUtf8(xw.draw, fg, + font->match, xp, + winy + font->ascent, + (FcChar8 *)u8fs, + u8fblen); + xp += font->width * u8fl; + } + break; + } + + u8fl++; + u8fblen += u8cblen; + } + if (doesexist) + break; + + frp = frccur; + /* Search the font cache. */ + for (i = 0; i < frclen; i++, frp--) { + if (frp <= 0) + frp = LEN(frc) - 1; + + if (frc[frp].c == u8char + && frc[frp].flags == frcflags) { + break; + } + } + + /* Nothing was found. */ + if (i >= frclen) { + /* + * Nothing was found in the cache. Now use + * some dozen of Fontconfig calls to get the + * font for one single character. + */ + fcpattern = FcPatternDuplicate(font->pattern); + fccharset = FcCharSetCreate(); + + FcCharSetAddChar(fccharset, u8char); + FcPatternAddCharSet(fcpattern, FC_CHARSET, + fccharset); + FcPatternAddBool(fcpattern, FC_SCALABLE, + FcTrue); + + FcConfigSubstitute(0, fcpattern, + FcMatchPattern); + FcDefaultSubstitute(fcpattern); + + fontpattern = FcFontSetMatch(0, fcsets, + FcTrue, fcpattern, &fcres); + + /* + * Overwrite or create the new cache entry + * entry. + */ + frccur++; + frclen++; + if (frccur >= LEN(frc)) + frccur = 0; + if (frclen > LEN(frc)) { + frclen = LEN(frc); + XftFontClose(xw.dpy, frc[frccur].font); + } + + frc[frccur].font = XftFontOpenPattern(xw.dpy, + fontpattern); + frc[frccur].c = u8char; + frc[frccur].flags = frcflags; + + FcPatternDestroy(fcpattern); + FcCharSetDestroy(fccharset); + + frp = frccur; + } + + XftDrawStringUtf8(xw.draw, fg, frc[frp].font, + xp, winy + frc[frp].font->ascent, + (FcChar8 *)u8c, u8cblen); + + xp += font->width; + } + + /* XftDrawStringUtf8(xw.draw, fg, font->set, winx, winy + font->ascent, (FcChar8 *)s, bytelen); + */ if(base.mode & ATTR_UNDERLINE) { XftDrawRect(xw.draw, fg, winx, winy + font->ascent + 1, @@ -2583,13 +2878,16 @@ xresettitle(void) { } void -redraw(void) { - struct timespec tv = {0, REDRAW_TIMEOUT * 1000}; +redraw(int timeout) { + struct timespec tv = {0, timeout * 1000}; tfulldirt(); draw(); - XSync(xw.dpy, False); /* necessary for a good tput flash */ - nanosleep(&tv, NULL); + + if(timeout > 0) { + nanosleep(&tv, NULL); + XSync(xw.dpy, False); /* necessary for a good tput flash */ + } } void @@ -2597,7 +2895,13 @@ draw(void) { XdbeSwapInfo swpinfo[1] = {{xw.win, XdbeCopied}}; drawregion(0, 0, term.col, term.row); - XdbeSwapBuffers(xw.dpy, swpinfo, 1); + if(usedbe) { + XdbeSwapBuffers(xw.dpy, swpinfo, 1); + } else { + XCopyArea(xw.dpy, xw.buf, xw.win, dc.gc, 0, 0, xw.w, + xw.h, 0, 0); + XSetForeground(xw.dpy, dc.gc, dc.col[IS_SET(MODE_REVERSE) ? defaultfg : defaultbg].pixel); + } } void @@ -2636,6 +2940,7 @@ drawregion(int x1, int y1, int x2, int y2) { ox = x; base = new; } + sl = utf8size(new.c); memcpy(buf+ib, new.c, sl); ib += sl; @@ -2656,6 +2961,7 @@ expose(XEvent *ev) { if(!e->count) xw.state &= ~WIN_REDRAW; } + redraw(0); } void @@ -2686,6 +2992,11 @@ xseturgency(int add) { void focus(XEvent *ev) { + XFocusChangeEvent *e = &ev->xfocus; + + if(e->mode == NotifyGrab) + return; + if(ev->type == FocusIn) { XSetICFocus(xw.xic); xw.state |= WIN_FOCUSED; @@ -2698,6 +3009,8 @@ focus(XEvent *ev) { 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) @@ -2724,7 +3037,7 @@ kmap(KeySym k, uint state) { break; } if(i == LEN(mappedkeys)) { - if((k & 0xFFFF) < 0xFF00) + if((k & 0xFFFF) < 0xFD00) return NULL; } @@ -2809,8 +3122,10 @@ kpress(XEvent *ev) { void cmessage(XEvent *e) { - /* See xembed specs - http://standards.freedesktop.org/xembed-spec/xembed-spec-latest.html */ + /* + * See xembed specs + * http://standards.freedesktop.org/xembed-spec/xembed-spec-latest.html + */ if(e->xclient.message_type == xw.xembed && e->xclient.format == 32) { if(e->xclient.data.l[1] == XEMBED_FOCUS_IN) { xw.state |= WIN_FOCUSED; @@ -2826,8 +3141,7 @@ cmessage(XEvent *e) { } void -cresize(int width, int height) -{ +cresize(int width, int height) { int col, row; if(width != 0) @@ -2855,10 +3169,12 @@ void run(void) { XEvent ev; fd_set rfd; - int xfd = XConnectionNumber(xw.dpy), i; - struct timeval drawtimeout, *tv = NULL; + int xfd = XConnectionNumber(xw.dpy), xev; + struct timeval drawtimeout, *tv = NULL, now, last; - for(i = 0;; i++) { + gettimeofday(&last, NULL); + + for(xev = actionfps;;) { FD_ZERO(&rfd); FD_SET(cmdfd, &rfd); FD_SET(xfd, &rfd); @@ -2868,35 +3184,36 @@ run(void) { die("select failed: %s\n", SERRNO); } - /* - * Stop after a certain number of reads so the user does not - * feel like the system is stuttering. - */ - if(i < 1000 && FD_ISSET(cmdfd, &rfd)) { + gettimeofday(&now, NULL); + drawtimeout.tv_sec = 0; + drawtimeout.tv_usec = (1000/xfps) * 1000; + tv = &drawtimeout; + + if(FD_ISSET(cmdfd, &rfd)) ttyread(); - /* - * Just wait a bit so it isn't disturbing the - * user and the system is able to write something. - */ - drawtimeout.tv_sec = 0; - drawtimeout.tv_usec = 5; - tv = &drawtimeout; - continue; - } - i = 0; - tv = NULL; + if(FD_ISSET(xfd, &rfd)) + xev = actionfps; - while(XPending(xw.dpy)) { - XNextEvent(xw.dpy, &ev); - if(XFilterEvent(&ev, None)) - continue; - if(handler[ev.type]) - (handler[ev.type])(&ev); - } + if(TIMEDIFF(now, last) > \ + (xev ? (1000/xfps) : (1000/actionfps))) { + while(XPending(xw.dpy)) { + XNextEvent(xw.dpy, &ev); + if(XFilterEvent(&ev, None)) + continue; + if(handler[ev.type]) + (handler[ev.type])(&ev); + } - draw(); - XFlush(xw.dpy); + draw(); + XFlush(xw.dpy); + last = now; + + if(xev && !FD_ISSET(xfd, &rfd)) + xev--; + if(!FD_ISSET(cmdfd, &rfd) && !FD_ISSET(xfd, &rfd)) + tv = NULL; + } } }