X-Git-Url: https://git.armaanb.net/?a=blobdiff_plain;f=dmenu.c;h=b76fba4d99526d72e3c201209eaac59e09fb2e6b;hb=f78b8e477b0e87747c05439ead6f973e0b8dbd89;hp=e926ecac26ec61f67f1add2e7ed12a6789f3ca50;hpb=76eb5783046cf89ba6b7e9f8cdab35fe86d07a82;p=dmenu.git diff --git a/dmenu.c b/dmenu.c index e926eca..b76fba4 100644 --- a/dmenu.c +++ b/dmenu.c @@ -1,11 +1,13 @@ /* See LICENSE file for copyright and license details. */ #include #include +#include #include #include #include #include #include +#include #include #include @@ -23,19 +25,25 @@ * MAX(0, MIN((y)+(h),(r).y_org+(r).height) - MAX((y),(r).y_org))) #define LENGTH(X) (sizeof X / sizeof X[0]) #define TEXTW(X) (drw_fontset_getwidth(drw, (X)) + lrpad) +#define NUMBERSMAXDIGITS 100 +#define NUMBERSBUFSIZE (NUMBERSMAXDIGITS * 2) + 1 /* enums */ -enum { SchemeNorm, SchemeSel, SchemeOut, SchemeLast }; /* color schemes */ +enum { SchemeNorm, SchemeSel, SchemeNormHighlight, SchemeSelHighlight, + SchemeOut, SchemeLast }; /* color schemes */ + struct item { char *text; struct item *left, *right; int out; + double distance; }; +static char numbers[NUMBERSBUFSIZE] = ""; static char text[BUFSIZ] = ""; +static char *embed; static int bh, mw, mh; -static int sw, sh; /* X display screen geometry width, height */ static int inputw = 0, promptw; static int lrpad; /* sum of left and right padding */ static size_t cursor; @@ -46,7 +54,7 @@ static int mon = -1, screen; static Atom clip, utf8; static Display *dpy; -static Window root, win; +static Window root, parentwin, win; static XIC xic; static Drw *drw; @@ -81,10 +89,10 @@ calcoffsets(void) n = mw - (promptw + inputw + TEXTW("<") + TEXTW(">")); /* calculate which items will begin the next page and previous page */ for (i = 0, next = curr; next; next = next->right) - if ((i += (lines > 0) ? bh : TEXTW(next->text)) > n) + if ((i += (lines > 0) ? bh : MIN(TEXTW(next->text), n)) > n) break; for (i = 0, prev = curr; prev && prev->left; prev = prev->left) - if ((i += (lines > 0) ? bh : TEXTW(prev->left->text)) > n) + if ((i += (lines > 0) ? bh : MIN(TEXTW(prev->left->text), n)) > n) break; } @@ -112,9 +120,49 @@ cistrstr(const char *s, const char *sub) return NULL; } +static void +drawhighlights(struct item *item, int x, int y, int maxw) +{ + int i, indent; + char *highlight; + char c; + + if (!(strlen(item->text) && strlen(text))) + return; + + drw_setscheme(drw, scheme[item == sel + ? SchemeSelHighlight + : SchemeNormHighlight]); + for (i = 0, highlight = item->text; *highlight && text[i];) { + if (*highlight == text[i]) { + /* get indentation */ + c = *highlight; + *highlight = '\0'; + indent = TEXTW(item->text); + *highlight = c; + + /* highlight character */ + c = highlight[1]; + highlight[1] = '\0'; + drw_text( + drw, + x + indent - (lrpad / 2), + y, + MIN(maxw - indent, TEXTW(highlight) - lrpad), + bh, 0, highlight, 0 + ); + highlight[1] = c; + i++; + } + highlight++; + } +} + + static int drawitem(struct item *item, int x, int y, int w) { + int r; if (item == sel) drw_setscheme(drw, scheme[SchemeSel]); else if (item->out) @@ -122,7 +170,24 @@ drawitem(struct item *item, int x, int y, int w) else drw_setscheme(drw, scheme[SchemeNorm]); - return drw_text(drw, x, y, w, bh, lrpad / 2, item->text, 0); + r = drw_text(drw, x, y, w, bh, lrpad / 2, item->text, 0); + drawhighlights(item, x, y, w); + return r; +} + +static void +recalculatenumbers() +{ + unsigned int numer = 0, denom = 0; + struct item *item; + if (matchend) { + numer++; + for (item = matchend; item && item->left; item = item->left) + numer++; + } + for (item = items; item && item->text; item++) + denom++; + snprintf(numbers, NUMBERSBUFSIZE, "%d/%d", numer, denom); } static void @@ -144,12 +209,13 @@ drawmenu(void) drw_setscheme(drw, scheme[SchemeNorm]); drw_text(drw, x, 0, w, bh, lrpad / 2, text, 0); - drw_font_getexts(drw->fonts, text, cursor, &curpos, NULL); + curpos = TEXTW(text) - TEXTW(&text[cursor]); if ((curpos += lrpad / 2 - 1) < w) { drw_setscheme(drw, scheme[SchemeNorm]); drw_rect(drw, x + curpos, 2, 2, bh - 4, 1, 0); } + recalculatenumbers(); if (lines > 0) { /* draw vertical list */ for (item = curr; item != next; item = item->right) @@ -164,22 +230,43 @@ drawmenu(void) } x += w; for (item = curr; item != next; item = item->right) - x = drawitem(item, x, 0, MIN(TEXTW(item->text), mw - x - TEXTW(">"))); + x = drawitem(item, x, 0, MIN(TEXTW(item->text), mw - x - TEXTW(">") - TEXTW(numbers))); if (next) { w = TEXTW(">"); drw_setscheme(drw, scheme[SchemeNorm]); - drw_text(drw, mw - w, 0, w, bh, lrpad / 2, ">", 0); + drw_text(drw, mw - w - TEXTW(numbers), 0, w, bh, lrpad / 2, ">", 0); } } + drw_setscheme(drw, scheme[SchemeNorm]); + drw_text(drw, mw - TEXTW(numbers), 0, TEXTW(numbers), bh, lrpad / 2, numbers, 0); drw_map(drw, win, 0, 0, mw, mh); } +static void +grabfocus(void) +{ + struct timespec ts = { .tv_sec = 0, .tv_nsec = 10000000 }; + Window focuswin; + int i, revertwin; + + for (i = 0; i < 100; ++i) { + XGetInputFocus(dpy, &focuswin, &revertwin); + if (focuswin == win) + return; + XSetInputFocus(dpy, win, RevertToParent, CurrentTime); + nanosleep(&ts, NULL); + } + die("cannot grab focus"); +} + static void grabkeyboard(void) { struct timespec ts = { .tv_sec = 0, .tv_nsec = 1000000 }; int i; + if (embed) + return; /* try to grab keyboard, we may have to wait for another process to ungrab */ for (i = 0; i < 1000; i++) { if (XGrabKeyboard(dpy, DefaultRootWindow(dpy), True, GrabModeAsync, @@ -187,12 +274,97 @@ grabkeyboard(void) return; nanosleep(&ts, NULL); } - die("cannot grab keyboard\n"); + 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; @@ -205,11 +377,11 @@ 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\n", tokn * sizeof *tokv); + die("cannot realloc %u bytes:", tokn * sizeof *tokv); len = tokc ? strlen(tokv[0]) : 0; matches = lprefix = lsubstr = matchend = prefixend = substrend = NULL; - textsize = strlen(text); + textsize = strlen(text) + 1; for (item = items; item && item->text; item++) { for (i = 0; i < tokc; i++) if (!fstrstr(item->text, tokv[i])) @@ -268,18 +440,42 @@ nextrune(int inc) return n; } +static void +movewordedge(int dir) +{ + if (dir < 0) { /* move cursor to the start of the word*/ + while (cursor > 0 && strchr(worddelimiters, text[nextrune(-1)])) + cursor = nextrune(-1); + while (cursor > 0 && !strchr(worddelimiters, text[nextrune(-1)])) + cursor = nextrune(-1); + } else { /* move cursor to the end of the word */ + while (text[cursor] && strchr(worddelimiters, text[cursor])) + cursor = nextrune(+1); + while (text[cursor] && !strchr(worddelimiters, text[cursor])) + cursor = nextrune(+1); + } +} + static void keypress(XKeyEvent *ev) { char buf[32]; int len; - KeySym ksym = NoSymbol; + KeySym ksym; Status status; len = XmbLookupString(xic, ev, buf, sizeof buf, &ksym, &status); - if (status == XBufferOverflow) + switch (status) { + default: /* XLookupNone, XBufferOverflow */ return; - if (ev->state & ControlMask) + case XLookupChars: + goto insert; + case XLookupKeySym: + case XLookupBoth: + break; + } + + if (ev->state & ControlMask) { switch(ksym) { case XK_a: ksym = XK_Home; break; case XK_b: ksym = XK_Left; break; @@ -310,11 +506,17 @@ keypress(XKeyEvent *ev) while (cursor > 0 && !strchr(worddelimiters, text[nextrune(-1)])) insert(NULL, nextrune(-1) - cursor); break; - case XK_y: /* paste selection */ - case XK_Y: + case XK_v: /* paste selection */ + case XK_V: XConvertSelection(dpy, (ev->state & ShiftMask) ? clip : XA_PRIMARY, utf8, utf8, win, CurrentTime); return; + case XK_Left: + movewordedge(-1); + goto draw; + case XK_Right: + movewordedge(+1); + goto draw; case XK_Return: case XK_KP_Enter: break; @@ -324,8 +526,14 @@ keypress(XKeyEvent *ev) default: return; } - else if (ev->state & Mod1Mask) + } else if (ev->state & Mod1Mask) { switch(ksym) { + case XK_b: + movewordedge(-1); + goto draw; + case XK_f: + movewordedge(+1); + goto draw; case XK_g: ksym = XK_Home; break; case XK_G: ksym = XK_End; break; case XK_h: ksym = XK_Up; break; @@ -335,8 +543,11 @@ keypress(XKeyEvent *ev) default: return; } + } + switch(ksym) { default: +insert: if (!iscntrl(*buf)) insert(buf, len); break; @@ -436,6 +647,8 @@ keypress(XKeyEvent *ev) match(); break; } + +draw: drawmenu(); } @@ -448,10 +661,12 @@ paste(void) Atom da; /* we have been given the current selection, now insert it into input */ - XGetWindowProperty(dpy, win, utf8, 0, (sizeof text / 4) + 1, False, - utf8, &da, &di, &dl, &dl, (unsigned char **)&p); - insert(p, (q = strchr(p, '\n')) ? q - p : (ssize_t)strlen(p)); - XFree(p); + if (XGetWindowProperty(dpy, win, utf8, 0, (sizeof text / 4) + 1, False, + utf8, &da, &di, &dl, &dl, (unsigned char **)&p) + == Success && p) { + insert(p, (q = strchr(p, '\n')) ? q - p : (ssize_t)strlen(p)); + XFree(p); + } drawmenu(); } @@ -493,10 +708,20 @@ run(void) if (XFilterEvent(&ev, win)) continue; switch(ev.type) { + case DestroyNotify: + if (ev.xdestroywindow.window != win) + break; + cleanup(); + exit(1); case Expose: if (ev.xexpose.count == 0) drw_map(drw, win, 0, 0, mw, mh); break; + case FocusIn: + /* regrab focus from parent window */ + if (ev.xfocus.window != win) + grabfocus(); + break; case KeyPress: keypress(&ev.xkey); break; @@ -515,21 +740,21 @@ run(void) static void setup(void) { - int x, y; + int x, y, i, j; + unsigned int du; XSetWindowAttributes swa; XIM xim; + Window w, dw, *dws; + XWindowAttributes wa; + XClassHint ch = {"dmenu", "dmenu"}; #ifdef XINERAMA XineramaScreenInfo *info; - Window w, pw, dw, *dws; - XWindowAttributes wa; - int a, j, di, n, i = 0, area = 0; - unsigned int du; + Window pw; + int a, di, n, area = 0; #endif - /* init appearance */ - scheme[SchemeNorm] = drw_scm_create(drw, colors[SchemeNorm], 2); - scheme[SchemeSel] = drw_scm_create(drw, colors[SchemeSel], 2); - scheme[SchemeOut] = drw_scm_create(drw, colors[SchemeOut], 2); + for (j = 0; j < SchemeLast; j++) + scheme[j] = drw_scm_create(drw, colors[j], 2); clip = XInternAtom(dpy, "CLIPBOARD", False); utf8 = XInternAtom(dpy, "UTF8_STRING", False); @@ -539,9 +764,10 @@ setup(void) lines = MAX(lines, 0); mh = (lines + 1) * bh; #ifdef XINERAMA - if ((info = XineramaQueryScreens(dpy, &n))) { + i = 0; + if (parentwin == root && (info = XineramaQueryScreens(dpy, &n))) { XGetInputFocus(dpy, &w, &di); - if (mon != -1 && mon < n) + if (mon >= 0 && mon < n) i = mon; else if (w != root && w != PointerRoot && w != None) { /* find top-level window containing current input focus */ @@ -558,7 +784,7 @@ setup(void) } } /* no focused window is on screen, so use pointer location instead */ - if (mon == -1 && !area && XQueryPointer(dpy, root, &dw, &dw, &x, &y, &di, &di, &du)) + if (mon < 0 && !area && XQueryPointer(dpy, root, &dw, &dw, &x, &y, &di, &di, &du)) for (i = 0; i < n; i++) if (INTERSECT(x, y, 1, 1, info[i])) break; @@ -570,9 +796,12 @@ setup(void) } else #endif { + if (!XGetWindowAttributes(dpy, parentwin, &wa)) + die("could not get embedding window attributes: 0x%lx", + parentwin); x = 0; - y = topbar ? 0 : sh - mh; - mw = sw; + y = topbar ? 0 : wa.height - mh; + mw = wa.width; } promptw = (prompt && *prompt) ? TEXTW(prompt) - lrpad / 4 : 0; inputw = MIN(inputw, mw/3); @@ -582,17 +811,29 @@ setup(void) swa.override_redirect = True; swa.background_pixel = scheme[SchemeNorm][ColBg].pixel; swa.event_mask = ExposureMask | KeyPressMask | VisibilityChangeMask; - win = XCreateWindow(dpy, root, x, y, mw, mh, 0, - DefaultDepth(dpy, screen), CopyFromParent, - DefaultVisual(dpy, screen), + win = XCreateWindow(dpy, parentwin, x, y, mw, mh, 0, + CopyFromParent, CopyFromParent, CopyFromParent, CWOverrideRedirect | CWBackPixel | CWEventMask, &swa); + XSetClassHint(dpy, win, &ch); + + + /* input methods */ + if ((xim = XOpenIM(dpy, NULL, NULL, NULL)) == NULL) + die("XOpenIM failed: could not open input device"); - /* open input methods */ - xim = XOpenIM(dpy, NULL, NULL, NULL); xic = XCreateIC(xim, XNInputStyle, XIMPreeditNothing | XIMStatusNothing, XNClientWindow, win, XNFocusWindow, win, NULL); XMapRaised(dpy, win); + if (embed) { + XSelectInput(dpy, parentwin, FocusChangeMask | SubstructureNotifyMask); + if (XQueryTree(dpy, parentwin, &dw, &w, &dws, &du) && dws) { + for (i = 0; i < du && dws[i] != win; ++i) + XSelectInput(dpy, dws[i], FocusChangeMask); + XFree(dws); + } + grabfocus(); + } drw_resize(drw, mw, mh); drawmenu(); } @@ -600,14 +841,16 @@ setup(void) static void usage(void) { - fputs("usage: dmenu [-b] [-f] [-i] [-l lines] [-p prompt] [-fn font] [-m monitor]\n" - " [-nb color] [-nf color] [-sb color] [-sf color] [-v]\n", stderr); + fputs("usage: dmenu [-bfiv] [-l lines] [-p prompt] [-fn font] [-m monitor]\n" + " [-nb color] [-nf color] [-sb color] [-sf color]\n" + " [-nhb color] [-nhf color] [-shb color] [-shf color] [-w windowid]\n", stderr); exit(1); } int main(int argc, char *argv[]) { + XWindowAttributes wa; int i, fast = 0; for (i = 1; i < argc; i++) @@ -619,6 +862,8 @@ 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 */ + fuzzy = 0; else if (!strcmp(argv[i], "-i")) { /* case-insensitive item matching */ fstrncmp = strncasecmp; fstrstr = cistrstr; @@ -641,23 +886,41 @@ main(int argc, char *argv[]) colors[SchemeSel][ColBg] = argv[++i]; else if (!strcmp(argv[i], "-sf")) /* selected foreground color */ colors[SchemeSel][ColFg] = argv[++i]; + else if (!strcmp(argv[i], "-nhb")) /* normal hi background color */ + colors[SchemeNormHighlight][ColBg] = argv[++i]; + else if (!strcmp(argv[i], "-nhf")) /* normal hi foreground color */ + colors[SchemeNormHighlight][ColFg] = argv[++i]; + else if (!strcmp(argv[i], "-shb")) /* selected hi background color */ + colors[SchemeSelHighlight][ColBg] = argv[++i]; + else if (!strcmp(argv[i], "-shf")) /* selected hi foreground color */ + colors[SchemeSelHighlight][ColFg] = argv[++i]; + else if (!strcmp(argv[i], "-w")) /* embedding window id */ + embed = argv[++i]; else usage(); if (!setlocale(LC_CTYPE, "") || !XSupportsLocale()) fputs("warning: no locale support\n", stderr); if (!(dpy = XOpenDisplay(NULL))) - die("cannot open display\n"); + die("cannot open display"); screen = DefaultScreen(dpy); root = RootWindow(dpy, screen); - sw = DisplayWidth(dpy, screen); - sh = DisplayHeight(dpy, screen); - drw = drw_create(dpy, screen, root, sw, sh); + if (!embed || !(parentwin = strtol(embed, NULL, 0))) + parentwin = root; + 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); if (!drw_fontset_create(drw, fonts, LENGTH(fonts))) - die("no fonts could be loaded.\n"); + die("no fonts could be loaded."); lrpad = drw->fonts->h; - if (fast) { +#ifdef __OpenBSD__ + if (pledge("stdio rpath", NULL) == -1) + die("pledge"); +#endif + + if (fast && !isatty(0)) { grabkeyboard(); readstdin(); } else {