X-Git-Url: https://git.xinqibao.xyz/dmenu.git/blobdiff_plain/7269c5355d257dd2ad2c53f15dc9c1cf6796aea5..41ccf1b33e590b65416e0b9d848456d6b3aed717:/dmenu.c?ds=sidebyside diff --git a/dmenu.c b/dmenu.c index cde394b..1341c3b 100644 --- a/dmenu.c +++ b/dmenu.c @@ -1,6 +1,7 @@ /* See LICENSE file for copyright and license details. */ #include #include +#include #include #include #include @@ -10,6 +11,7 @@ #include #include +#include #include #ifdef XINERAMA #include @@ -25,6 +27,8 @@ #define LENGTH(X) (sizeof X / sizeof X[0]) #define TEXTW(X) (drw_fontset_getwidth(drw, (X)) + lrpad) +#define OPAQUE 0xffU + /* enums */ enum { SchemeNorm, SchemeSel, SchemeOut, SchemeLast }; /* color schemes */ @@ -32,6 +36,7 @@ struct item { char *text; struct item *left, *right; int out; + double distance; }; static char text[BUFSIZ] = ""; @@ -53,10 +58,16 @@ static XIC xic; static Drw *drw; static Clr *scheme[SchemeLast]; +static int useargb = 0; +static Visual *visual; +static int depth; +static Colormap cmap; + #include "config.h" static int (*fstrncmp)(const char *, const char *, size_t) = strncmp; static char *(*fstrstr)(const char *, const char *) = strstr; +static void xinitvisual(); static unsigned int textw_clamp(const char *str, unsigned int n) @@ -96,6 +107,15 @@ calcoffsets(void) break; } +static int +max_textw(void) +{ + int len = 0; + for (struct item *item = items; item && item->text; item++) + len = MAX(TEXTW(item->text), len); + return len; +} + static void cleanup(void) { @@ -104,6 +124,9 @@ cleanup(void) XUngrabKey(dpy, AnyKey, AnyModifier, root); for (i = 0; i < SchemeLast; i++) free(scheme[i]); + for (i = 0; items && items[i].text; ++i) + free(items[i].text); + free(items); drw_free(drw); XSync(dpy, False); XCloseDisplay(dpy); @@ -224,9 +247,94 @@ grabkeyboard(void) die("cannot grab keyboard"); } +int +compare_distance(const void *a, const void *b) +{ + struct item *da = *(struct item **) a; + struct item *db = *(struct item **) b; + + if (!db) + return 1; + if (!da) + return -1; + + return da->distance == db->distance ? 0 : da->distance < db->distance ? -1 : 1; +} + +void +fuzzymatch(void) +{ + /* bang - we have so much memory */ + struct item *it; + struct item **fuzzymatches = NULL; + char c; + int number_of_matches = 0, i, pidx, sidx, eidx; + int text_len = strlen(text), itext_len; + + matches = matchend = NULL; + + /* walk through all items */ + for (it = items; it && it->text; it++) { + if (text_len) { + itext_len = strlen(it->text); + pidx = 0; /* pointer */ + sidx = eidx = -1; /* start of match, end of match */ + /* walk through item text */ + for (i = 0; i < itext_len && (c = it->text[i]); i++) { + /* fuzzy match pattern */ + if (!fstrncmp(&text[pidx], &c, 1)) { + if(sidx == -1) + sidx = i; + pidx++; + if (pidx == text_len) { + eidx = i; + break; + } + } + } + /* build list of matches */ + if (eidx != -1) { + /* compute distance */ + /* add penalty if match starts late (log(sidx+2)) + * add penalty for long a match without many matching characters */ + it->distance = log(sidx + 2) + (double)(eidx - sidx - text_len); + /* fprintf(stderr, "distance %s %f\n", it->text, it->distance); */ + appenditem(it, &matches, &matchend); + number_of_matches++; + } + } else { + appenditem(it, &matches, &matchend); + } + } + + if (number_of_matches) { + /* initialize array with matches */ + if (!(fuzzymatches = realloc(fuzzymatches, number_of_matches * sizeof(struct item*)))) + die("cannot realloc %u bytes:", number_of_matches * sizeof(struct item*)); + for (i = 0, it = matches; it && i < number_of_matches; i++, it = it->right) { + fuzzymatches[i] = it; + } + /* sort matches according to distance */ + qsort(fuzzymatches, number_of_matches, sizeof(struct item*), compare_distance); + /* rebuild list of matches */ + matches = matchend = NULL; + for (i = 0, it = fuzzymatches[i]; i < number_of_matches && it && \ + it->text; i++, it = fuzzymatches[i]) { + appenditem(it, &matches, &matchend); + } + free(fuzzymatches); + } + curr = sel = matches; + calcoffsets(); +} + static void match(void) { + if (fuzzy) { + fuzzymatch(); + return; + } static char **tokv = NULL; static int tokn = 0; @@ -239,7 +347,7 @@ match(void) /* separate input text into tokens to be matched individually */ for (s = strtok(buf, " "); s; tokv[tokc - 1] = s, s = strtok(NULL, " ")) if (++tokc > tokn && !(tokv = realloc(tokv, ++tokn * sizeof *tokv))) - die("cannot realloc %u bytes:", tokn * sizeof *tokv); + die("cannot realloc %zu bytes:", tokn * sizeof *tokv); len = tokc ? strlen(tokv[0]) : 0; matches = lprefix = lsubstr = matchend = prefixend = substrend = NULL; @@ -412,7 +520,7 @@ keypress(XKeyEvent *ev) switch(ksym) { default: insert: - if (!iscntrl(*buf)) + if (!iscntrl((unsigned char)*buf)) insert(buf, len); break; case XK_Delete: @@ -547,28 +655,21 @@ static void readstdin(void) { char buf[sizeof text], *p; - size_t i, imax = 0, size = 0; - unsigned int tmpmax = 0; + size_t i, size = 0; /* read each line from stdin and add it to the item list */ for (i = 0; fgets(buf, sizeof buf, stdin); i++) { if (i + 1 >= size / sizeof *items) if (!(items = realloc(items, (size += BUFSIZ)))) - die("cannot realloc %u bytes:", size); + die("cannot realloc %zu bytes:", size); if ((p = strchr(buf, '\n'))) *p = '\0'; if (!(items[i].text = strdup(buf))) - die("cannot strdup %u bytes:", strlen(buf) + 1); + die("cannot strdup %zu bytes:", strlen(buf) + 1); items[i].out = 0; - drw_font_getexts(drw->fonts, buf, strlen(buf), &tmpmax, NULL); - if (tmpmax > inputw) { - inputw = tmpmax; - imax = i; - } } if (items) items[i].text = NULL; - inputw = items ? TEXTW(items[imax].text) : 0; lines = MIN(lines, i); } @@ -614,12 +715,13 @@ static void setup(void) { int x, y, i, j; - unsigned int du; + unsigned int du, tmp; XSetWindowAttributes swa; XIM xim; Window w, dw, *dws; XWindowAttributes wa; XClassHint ch = {"dmenu", "dmenu"}; + struct item *item; #ifdef XINERAMA XineramaScreenInfo *info; Window pw; @@ -627,7 +729,7 @@ setup(void) #endif /* init appearance */ for (j = 0; j < SchemeLast; j++) - scheme[j] = drw_scm_create(drw, colors[j], 2); + scheme[j] = drw_scm_create(drw, colors[j], alphas[j], 2); clip = XInternAtom(dpy, "CLIPBOARD", False); utf8 = XInternAtom(dpy, "UTF8_STRING", False); @@ -636,6 +738,7 @@ setup(void) bh = drw->fonts->h + 2; lines = MAX(lines, 0); mh = (lines + 1) * bh; + promptw = (prompt && *prompt) ? TEXTW(prompt) - lrpad / 4 : 0; #ifdef XINERAMA i = 0; if (parentwin == root && (info = XineramaQueryScreens(dpy, &n))) { @@ -662,9 +765,16 @@ setup(void) if (INTERSECT(x, y, 1, 1, info[i]) != 0) break; - x = info[i].x_org; - y = info[i].y_org + (topbar ? 0 : info[i].height - mh); - mw = info[i].width; + if (centered) { + mw = MIN(MAX(max_textw() + promptw, min_width), info[i].width); + x = info[i].x_org + ((info[i].width - mw) / 2); + y = info[i].y_org + ((info[i].height - mh) / 2); + } else { + x = info[i].x_org; + y = info[i].y_org + (topbar ? 0 : info[i].height - mh); + mw = info[i].width; + } + XFree(info); } else #endif @@ -672,21 +782,34 @@ setup(void) if (!XGetWindowAttributes(dpy, parentwin, &wa)) die("could not get embedding window attributes: 0x%lx", parentwin); - x = 0; - y = topbar ? 0 : wa.height - mh; - mw = wa.width; + + if (centered) { + mw = MIN(MAX(max_textw() + promptw, min_width), wa.width); + x = (wa.width - mw) / 2; + y = (wa.height - mh) / 2; + } else { + x = 0; + y = topbar ? 0 : wa.height - mh; + mw = wa.width; + } + } + for (item = items; item && item->text; ++item) { + if ((tmp = textw_clamp(item->text, mw/3)) > inputw) { + if ((inputw = tmp) == mw/3) + break; + } } - promptw = (prompt && *prompt) ? TEXTW(prompt) - lrpad / 4 : 0; - inputw = MIN(inputw, mw/3); match(); /* create menu window */ swa.override_redirect = True; - swa.background_pixel = scheme[SchemeNorm][ColBg].pixel; + swa.background_pixel = 0; + swa.border_pixel = 0; + swa.colormap = cmap; swa.event_mask = ExposureMask | KeyPressMask | VisibilityChangeMask; win = XCreateWindow(dpy, parentwin, x, y, mw, mh, 0, - CopyFromParent, CopyFromParent, CopyFromParent, - CWOverrideRedirect | CWBackPixel | CWEventMask, &swa); + depth, CopyFromParent, visual, + CWOverrideRedirect | CWBackPixel | CWBorderPixel | CWColormap | CWEventMask, &swa); XSetClassHint(dpy, win, &ch); @@ -734,6 +857,10 @@ main(int argc, char *argv[]) topbar = 0; else if (!strcmp(argv[i], "-f")) /* grabs keyboard before reading stdin */ fast = 1; + else if (!strcmp(argv[i], "-F")) /* grabs keyboard before reading stdin */ + /* always fuzzy */; // fuzzy = 0; + else if (!strcmp(argv[i], "-c")) /* centers dmenu on screen */ + centered = 1; else if (!strcmp(argv[i], "-i")) { /* case-insensitive item matching */ fstrncmp = strncasecmp; fstrstr = cistrstr; @@ -772,7 +899,8 @@ main(int argc, char *argv[]) if (!XGetWindowAttributes(dpy, parentwin, &wa)) die("could not get embedding window attributes: 0x%lx", parentwin); - drw = drw_create(dpy, screen, root, wa.width, wa.height); + xinitvisual(); + drw = drw_create(dpy, screen, root, wa.width, wa.height, visual, depth, cmap); if (!drw_fontset_create(drw, fonts, LENGTH(fonts))) die("no fonts could be loaded."); lrpad = drw->fonts->h; @@ -794,3 +922,40 @@ main(int argc, char *argv[]) return 1; /* unreachable */ } + + void +xinitvisual() +{ + XVisualInfo *infos; + XRenderPictFormat *fmt; + int nitems; + int i; + + XVisualInfo tpl = { + .screen = screen, + .depth = 32, + .class = TrueColor + }; + long masks = VisualScreenMask | VisualDepthMask | VisualClassMask; + + infos = XGetVisualInfo(dpy, masks, &tpl, &nitems); + visual = NULL; + for(i = 0; i < nitems; i ++) { + fmt = XRenderFindVisualFormat(dpy, infos[i].visual); + if (fmt->type == PictTypeDirect && fmt->direct.alphaMask) { + visual = infos[i].visual; + depth = infos[i].depth; + cmap = XCreateColormap(dpy, root, visual, AllocNone); + useargb = 1; + break; + } + } + + XFree(infos); + + if (! visual) { + visual = DefaultVisual(dpy, screen); + depth = DefaultDepth(dpy, screen); + cmap = DefaultColormap(dpy, screen); + } +}