X-Git-Url: https://git.armaanb.net/?p=dmenu.git;a=blobdiff_plain;f=dmenu.c;h=1560b60466856fb86992f7f727bed73fd0dbb71e;hp=eae56850e37d6cf78b570a46b1f5abe57e3df563;hb=HEAD;hpb=1cabeda5505dcc35d4d2ca2a09151a7c449fb401 diff --git a/dmenu.c b/dmenu.c index eae5685..1560b60 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 @@ -23,20 +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 */ + 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 inputw = 0, promptw; +static int inputw = 0, promptw, passwd = 0; static int lrpad; /* sum of left and right padding */ static size_t cursor; static struct item *items = NULL; @@ -112,9 +119,47 @@ 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 ? SchemeSel : SchemeNorm]); + 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 +167,24 @@ 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 @@ -131,6 +193,7 @@ drawmenu(void) unsigned int curpos; struct item *item; int x = 0, y = 0, w; + char *censort; drw_setscheme(drw, scheme[SchemeNorm]); drw_rect(drw, 0, 0, mw, mh, 1, 1); @@ -142,14 +205,20 @@ drawmenu(void) /* draw input field */ w = (lines > 0 || !matches) ? mw - x : inputw; 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); + if (passwd) { + censort = ecalloc(1, sizeof(text)); + memset(censort, '*', strlen(text)); + drw_text(drw, x, 0, w, bh, lrpad / 2, censort, 0); + free(censort); + } else drw_text(drw, x, 0, w, bh, lrpad / 2, text, 0); + + 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) @@ -164,13 +233,15 @@ 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); } @@ -209,9 +280,94 @@ 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; @@ -287,18 +443,42 @@ 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; @@ -329,11 +509,17 @@ 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; @@ -343,8 +529,14 @@ 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; @@ -354,8 +546,11 @@ keypress(XKeyEvent *ev) default: return; } + } + switch(ksym) { default: +insert: if (!iscntrl(*buf)) insert(buf, len); break; @@ -455,6 +650,8 @@ keypress(XKeyEvent *ev) match(); break; } + +draw: drawmenu(); } @@ -482,6 +679,11 @@ readstdin(void) char buf[sizeof text], *p; size_t i, imax = 0, size = 0; unsigned int tmpmax = 0; + if(passwd){ + inputw = lines = 0; + return; + } + /* read each line from stdin and add it to the item list */ for (i = 0; fgets(buf, sizeof buf, stdin); i++) { @@ -514,6 +716,11 @@ 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); @@ -541,7 +748,7 @@ run(void) static void setup(void) { - int x, y, i = 0; + int x, y, i, j; unsigned int du; XSetWindowAttributes swa; XIM xim; @@ -551,9 +758,8 @@ setup(void) #ifdef XINERAMA XineramaScreenInfo *info; Window pw; - int a, j, di, n, area = 0; + int a, di, n, area = 0; #endif - /* init appearance */ for (j = 0; j < SchemeLast; j++) scheme[j] = drw_scm_create(drw, colors[j], 2); @@ -566,6 +772,7 @@ setup(void) lines = MAX(lines, 0); mh = (lines + 1) * bh; #ifdef XINERAMA + i = 0; if (parentwin == root && (info = XineramaQueryScreens(dpy, &n))) { XGetInputFocus(dpy, &w, &di); if (mon >= 0 && mon < n) @@ -617,14 +824,17 @@ setup(void) CWOverrideRedirect | CWBackPixel | CWEventMask, &swa); XSetClassHint(dpy, win, &ch); - /* open input methods */ - xim = XOpenIM(dpy, NULL, NULL, NULL); + + /* input methods */ + if ((xim = XOpenIM(dpy, NULL, NULL, NULL)) == NULL) + die("XOpenIM failed: could not open input device"); + xic = XCreateIC(xim, XNInputStyle, XIMPreeditNothing | XIMStatusNothing, XNClientWindow, win, XNFocusWindow, win, NULL); XMapRaised(dpy, win); if (embed) { - XSelectInput(dpy, parentwin, FocusChangeMask); + 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); @@ -639,8 +849,9 @@ setup(void) static void usage(void) { - fputs("usage: dmenu [-bfiv] [-l lines] [-p prompt] [-fn font] [-m monitor]\n" - " [-nb color] [-nf color] [-sb color] [-sf color] [-w windowid]\n", stderr); + fputs("usage: dmenu [-bfivP] [-l lines] [-p prompt] [-fn font] [-m monitor]\n" + " [-nb color] [-nf color] [-sb color] [-sf color]\n" + " [-w windowid]\n", stderr); exit(1); } @@ -659,10 +870,14 @@ 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; - } else if (i + 1 == argc) + } else if (!strcmp(argv[i], "-P")) /* is the input a password */ + passwd = 1; + else if (i + 1 == argc) usage(); /* these options take one argument */ else if (!strcmp(argv[i], "-l")) /* number of lines in vertical list */ @@ -702,7 +917,12 @@ main(int argc, char *argv[]) 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 {