X-Git-Url: https://git.armaanb.net/?p=dmenu.git;a=blobdiff_plain;f=dmenu.c;h=1560b60466856fb86992f7f727bed73fd0dbb71e;hp=cee73b25254c944eb4e3f8d714290c8bad2268e9;hb=HEAD;hpb=11ea52d1709423e0f4e6702aaee2dff2a3b0107e diff --git a/dmenu.c b/dmenu.c index cee73b2..1560b60 100644 --- a/dmenu.c +++ b/dmenu.c @@ -1,330 +1,590 @@ /* See LICENSE file for copyright and license details. */ #include +#include +#include #include #include #include #include +#include #include + #include #include #include #ifdef XINERAMA #include #endif -#include "draw.h" +#include + +#include "drw.h" +#include "util.h" + +/* macros */ +#define INTERSECT(x,y,w,h,r) (MAX(0, MIN((x)+(w),(r).x_org+(r).width) - MAX((x),(r).x_org)) \ + * 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 */ -#define INRECT(x,y,rx,ry,rw,rh) ((x) >= (rx) && (x) < (rx)+(rw) && (y) >= (ry) && (y) < (ry)+(rh)) -#define MIN(a,b) ((a) < (b) ? (a) : (b)) -#define MAX(a,b) ((a) > (b) ? (a) : (b)) -typedef struct Item Item; -struct Item { +struct item { char *text; - Item *left, *right; + struct item *left, *right; + int out; + double distance; }; -static void appenditem(Item *item, Item **list, Item **last); -static void calcoffsets(void); -static void drawmenu(void); -static char *fstrstr(const char *s, const char *sub); -static void grabkeyboard(void); -static void insert(const char *str, ssize_t n); -static void keypress(XKeyEvent *ev); -static void match(Bool sub); -static size_t nextrune(int incr); -static void paste(void); -static void readstdin(void); -static void run(void); -static void setup(void); - +static char numbers[NUMBERSBUFSIZE] = ""; static char text[BUFSIZ] = ""; +static char *embed; static int bh, mw, mh; -static int inputw; -static int lines = 0; -static int monitor = -1; -static int promptw; -static size_t cursor = 0; -static const char *font = NULL; -static const char *prompt = NULL; -static const char *normbgcolor = "#cccccc"; -static const char *normfgcolor = "#000000"; -static const char *selbgcolor = "#0066ff"; -static const char *selfgcolor = "#ffffff"; -static unsigned long normcol[ColLast]; -static unsigned long selcol[ColLast]; -static Atom utf8; -static Bool topbar = True; -static DC *dc; -static Item *items = NULL; -static Item *matches, *matchend; -static Item *prev, *curr, *next, *sel; -static Window win; - -static int (*fstrncmp)(const char *, const char *, size_t) = strncmp; +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; +static struct item *matches, *matchend; +static struct item *prev, *curr, *next, *sel; +static int mon = -1, screen; -int -main(int argc, char *argv[]) { - Bool fast = False; - int i; +static Atom clip, utf8; +static Display *dpy; +static Window root, parentwin, win; +static XIC xic; - for(i = 1; i < argc; i++) - /* single flags */ - if(!strcmp(argv[i], "-v")) { - fputs("dmenu-"VERSION", © 2006-2011 dmenu engineers, see LICENSE for details\n", stdout); - exit(EXIT_SUCCESS); - } - else if(!strcmp(argv[i], "-b")) - topbar = False; - else if(!strcmp(argv[i], "-f")) - fast = True; - else if(!strcmp(argv[i], "-i")) - fstrncmp = strncasecmp; - else if(i+1 == argc) - goto usage; - /* double flags */ - else if(!strcmp(argv[i], "-l")) - lines = atoi(argv[++i]); - else if(!strcmp(argv[i], "-m")) - monitor = atoi(argv[++i]); - else if(!strcmp(argv[i], "-p")) - prompt = argv[++i]; - else if(!strcmp(argv[i], "-fn")) - font = argv[++i]; - else if(!strcmp(argv[i], "-nb")) - normbgcolor = argv[++i]; - else if(!strcmp(argv[i], "-nf")) - normfgcolor = argv[++i]; - else if(!strcmp(argv[i], "-sb")) - selbgcolor = argv[++i]; - else if(!strcmp(argv[i], "-sf")) - selfgcolor = argv[++i]; - else - goto usage; +static Drw *drw; +static Clr *scheme[SchemeLast]; - dc = initdc(); - initfont(dc, font); +#include "config.h" - if(fast) { - grabkeyboard(); - readstdin(); - } - else { - readstdin(); - grabkeyboard(); - } - setup(); - run(); - return EXIT_FAILURE; - -usage: - fputs("usage: dmenu [-b] [-f] [-i] [-l lines] [-m monitor] [-p prompt] [-fn font]\n" - " [-nb color] [-nf color] [-sb color] [-sf color] [-v]\n", stderr); - return EXIT_FAILURE; -} +static int (*fstrncmp)(const char *, const char *, size_t) = strncmp; +static char *(*fstrstr)(const char *, const char *) = strstr; -void -appenditem(Item *item, Item **list, Item **last) { - if(!*last) - *list = item; - else +static void +appenditem(struct item *item, struct item **list, struct item **last) +{ + if (*last) (*last)->right = item; + else + *list = item; + item->left = *last; item->right = NULL; *last = item; } -void -calcoffsets(void) { - unsigned int i, n; +static void +calcoffsets(void) +{ + int i, n; - if(lines > 0) + if (lines > 0) n = lines * bh; else - n = mw - (promptw + inputw + textw(dc, "<") + textw(dc, ">")); - - for(i = 0, next = curr; next; next = next->right) - if((i += (lines > 0) ? bh : MIN(textw(dc, next->text), n)) > n) + 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 : MIN(TEXTW(next->text), n)) > n) break; - for(i = 0, prev = curr; prev && prev->left; prev = prev->left) - if((i += (lines > 0) ? bh : MIN(textw(dc, prev->left->text), n)) > n) + for (i = 0, prev = curr; prev && prev->left; prev = prev->left) + if ((i += (lines > 0) ? bh : MIN(TEXTW(prev->left->text), n)) > n) break; } -void -drawmenu(void) { - int curpos; - Item *item; - - dc->x = 0; - dc->y = 0; - dc->h = bh; - drawrect(dc, 0, 0, mw, mh, True, BG(dc, normcol)); - - if(prompt) { - dc->w = promptw; - drawtext(dc, prompt, selcol); - dc->x = dc->w; - } - dc->w = (lines > 0 || !matches) ? mw - dc->x : inputw; - drawtext(dc, text, normcol); - if((curpos = textnw(dc, text, cursor) + dc->h/2 - 2) < dc->w) - drawrect(dc, curpos, 2, 1, dc->h - 4, True, FG(dc, normcol)); - - if(lines > 0) { - dc->w = mw - dc->x; - for(item = curr; item != next; item = item->right) { - dc->y += dc->h; - drawtext(dc, item->text, (item == sel) ? selcol : normcol); +static void +cleanup(void) +{ + size_t i; + + XUngrabKey(dpy, AnyKey, AnyModifier, root); + for (i = 0; i < SchemeLast; i++) + free(scheme[i]); + drw_free(drw); + XSync(dpy, False); + XCloseDisplay(dpy); +} + +static char * +cistrstr(const char *s, const char *sub) +{ + size_t len; + + for (len = strlen(sub); *s; s++) + if (!strncasecmp(s, sub, len)) + return (char *)s; + 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) + drw_setscheme(drw, scheme[SchemeOut]); + else + drw_setscheme(drw, scheme[SchemeNorm]); + + 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 +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); + + if (prompt && *prompt) { + drw_setscheme(drw, scheme[SchemeSel]); + x = drw_text(drw, x, 0, promptw, bh, lrpad / 2, prompt, 0); + } + /* draw input field */ + w = (lines > 0 || !matches) ? mw - x : inputw; + drw_setscheme(drw, scheme[SchemeNorm]); + 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); } - else if(matches) { - dc->x += inputw; - dc->w = textw(dc, "<"); - if(curr->left) - drawtext(dc, "<", normcol); - for(item = curr; item != next; item = item->right) { - dc->x += dc->w; - dc->w = MIN(textw(dc, item->text), mw - dc->x - textw(dc, ">")); - drawtext(dc, item->text, (item == sel) ? selcol : normcol); + + recalculatenumbers(); + if (lines > 0) { + /* draw vertical list */ + for (item = curr; item != next; item = item->right) + drawitem(item, x, y += bh, mw - x); + } else if (matches) { + /* draw horizontal list */ + x += inputw; + w = TEXTW("<"); + if (curr->left) { + drw_setscheme(drw, scheme[SchemeNorm]); + drw_text(drw, x, 0, w, bh, lrpad / 2, "<", 0); + } + x += w; + for (item = curr; item != next; item = item->right) + 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 - TEXTW(numbers), 0, w, bh, lrpad / 2, ">", 0); } - dc->w = textw(dc, ">"); - dc->x = mw - dc->w; - if(next) - drawtext(dc, ">", normcol); } - mapdc(dc, win, mw, mh); + 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); } -char * -fstrstr(const char *s, const char *sub) { - size_t len; +static void +grabfocus(void) +{ + struct timespec ts = { .tv_sec = 0, .tv_nsec = 10000000 }; + Window focuswin; + int i, revertwin; - for(len = strlen(sub); *s; s++) - if(!fstrncmp(s, sub, len)) - return (char *)s; - return NULL; + 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"); } -void -grabkeyboard(void) { +static void +grabkeyboard(void) +{ + struct timespec ts = { .tv_sec = 0, .tv_nsec = 1000000 }; int i; - for(i = 0; i < 1000; i++) { - if(XGrabKeyboard(dc->dpy, DefaultRootWindow(dc->dpy), True, - GrabModeAsync, GrabModeAsync, CurrentTime) == GrabSuccess) + 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, + GrabModeAsync, CurrentTime) == GrabSuccess) return; - usleep(1000); + nanosleep(&ts, NULL); } - eprintf("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 -insert(const char *str, ssize_t n) { - if(strlen(text) + n > sizeof text - 1) +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; + + char buf[sizeof text], *s; + int i, tokc = 0; + size_t len, textsize; + struct item *item, *lprefix, *lsubstr, *prefixend, *substrend; + + strcpy(buf, text); + /* 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); + len = tokc ? strlen(tokv[0]) : 0; + + matches = lprefix = lsubstr = matchend = prefixend = substrend = NULL; + textsize = strlen(text) + 1; + for (item = items; item && item->text; item++) { + for (i = 0; i < tokc; i++) + if (!fstrstr(item->text, tokv[i])) + break; + if (i != tokc) /* not all tokens match */ + continue; + /* exact matches go first, then prefixes, then substrings */ + if (!tokc || !fstrncmp(text, item->text, textsize)) + appenditem(item, &matches, &matchend); + else if (!fstrncmp(tokv[0], item->text, len)) + appenditem(item, &lprefix, &prefixend); + else + appenditem(item, &lsubstr, &substrend); + } + if (lprefix) { + if (matches) { + matchend->right = lprefix; + lprefix->left = matchend; + } else + matches = lprefix; + matchend = prefixend; + } + if (lsubstr) { + if (matches) { + matchend->right = lsubstr; + lsubstr->left = matchend; + } else + matches = lsubstr; + matchend = substrend; + } + curr = sel = matches; + calcoffsets(); +} + +static void +insert(const char *str, ssize_t n) +{ + if (strlen(text) + n > sizeof text - 1) return; + /* move existing text out of the way, insert new text, and update cursor */ memmove(&text[cursor + n], &text[cursor], sizeof text - cursor - MAX(n, 0)); - if(n > 0) + if (n > 0) memcpy(&text[cursor], str, n); cursor += n; - match(n > 0); + match(); } -void -keypress(XKeyEvent *ev) { +static size_t +nextrune(int inc) +{ + ssize_t n; + + /* return location of next utf8 rune in the given direction (+1 or -1) */ + for (n = cursor + inc; n + inc >= 0 && (text[n] & 0xc0) == 0x80; n += 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; + Status status; - XLookupString(ev, buf, sizeof buf, &ksym, NULL); - if(ev->state & ControlMask) { - KeySym lower, upper; + len = XmbLookupString(xic, ev, buf, sizeof buf, &ksym, &status); + switch (status) { + default: /* XLookupNone, XBufferOverflow */ + return; + case XLookupChars: + goto insert; + case XLookupKeySym: + case XLookupBoth: + break; + } - XConvertCase(ksym, &lower, &upper); - switch(lower) { - default: - return; - case XK_a: - ksym = XK_Home; - break; - case XK_b: - ksym = XK_Left; - break; - case XK_c: - ksym = XK_Escape; - break; - case XK_d: - ksym = XK_Delete; - break; - case XK_e: - ksym = XK_End; - break; - case XK_f: - ksym = XK_Right; - break; - case XK_h: - ksym = XK_BackSpace; - break; - case XK_i: - ksym = XK_Tab; - break; - case XK_j: - ksym = XK_Return; - break; - case XK_k: /* delete right */ + if (ev->state & ControlMask) { + switch(ksym) { + case XK_a: ksym = XK_Home; break; + case XK_b: ksym = XK_Left; break; + case XK_c: ksym = XK_Escape; break; + case XK_d: ksym = XK_Delete; break; + case XK_e: ksym = XK_End; break; + case XK_f: ksym = XK_Right; break; + case XK_g: ksym = XK_Escape; break; + case XK_h: ksym = XK_BackSpace; break; + case XK_i: ksym = XK_Tab; break; + case XK_j: /* fallthrough */ + case XK_J: /* fallthrough */ + case XK_m: /* fallthrough */ + case XK_M: ksym = XK_Return; ev->state &= ~ControlMask; break; + case XK_n: ksym = XK_Down; break; + case XK_p: ksym = XK_Up; break; + + case XK_k: /* delete right */ text[cursor] = '\0'; - match(False); + match(); break; - case XK_n: - ksym = XK_Down; - break; - case XK_p: - ksym = XK_Up; - break; - case XK_u: /* delete left */ + case XK_u: /* delete left */ insert(NULL, 0 - cursor); break; - case XK_w: /* delete word */ - while(cursor > 0 && text[nextrune(-1)] == ' ') + case XK_w: /* delete word */ + while (cursor > 0 && strchr(worddelimiters, text[nextrune(-1)])) insert(NULL, nextrune(-1) - cursor); - while(cursor > 0 && text[nextrune(-1)] != ' ') + while (cursor > 0 && !strchr(worddelimiters, text[nextrune(-1)])) insert(NULL, nextrune(-1) - cursor); break; - case XK_y: /* paste selection */ - XConvertSelection(dc->dpy, XA_PRIMARY, utf8, utf8, win, CurrentTime); + 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; + case XK_bracketleft: + cleanup(); + exit(1); + default: + return; + } + } 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; + case XK_j: ksym = XK_Next; break; + case XK_k: ksym = XK_Prior; break; + case XK_l: ksym = XK_Down; break; + default: return; } } + switch(ksym) { default: - if(!iscntrl(*buf)) - insert(buf, strlen(buf)); +insert: + if (!iscntrl(*buf)) + insert(buf, len); break; case XK_Delete: - if(text[cursor] == '\0') + if (text[cursor] == '\0') return; cursor = nextrune(+1); + /* fallthrough */ case XK_BackSpace: - if(cursor > 0) - insert(NULL, nextrune(-1) - cursor); + if (cursor == 0) + return; + insert(NULL, nextrune(-1) - cursor); break; case XK_End: - if(text[cursor] != '\0') { + if (text[cursor] != '\0') { cursor = strlen(text); break; } - if(next) { + if (next) { + /* jump to end of list and position items in reverse */ curr = matchend; calcoffsets(); curr = prev; calcoffsets(); - while(next && (curr = curr->right)) + while (next && (curr = curr->right)) calcoffsets(); } sel = matchend; break; case XK_Escape: - exit(EXIT_FAILURE); + cleanup(); + exit(1); case XK_Home: - if(sel == matches) { + if (sel == matches) { cursor = 0; break; } @@ -332,222 +592,345 @@ keypress(XKeyEvent *ev) { calcoffsets(); break; case XK_Left: - if(cursor > 0 && (!sel || !sel->left || lines > 0)) { + if (cursor > 0 && (!sel || !sel->left || lines > 0)) { cursor = nextrune(-1); break; } - else if(lines > 0) + if (lines > 0) return; + /* fallthrough */ case XK_Up: - if(sel && sel->left && (sel = sel->left)->right == curr) { + if (sel && sel->left && (sel = sel->left)->right == curr) { curr = prev; calcoffsets(); } break; case XK_Next: - if(!next) + if (!next) return; sel = curr = next; calcoffsets(); break; case XK_Prior: - if(!prev) + if (!prev) return; sel = curr = prev; calcoffsets(); break; case XK_Return: case XK_KP_Enter: - fputs((sel && !(ev->state & ShiftMask)) ? sel->text : text, stdout); - exit(EXIT_SUCCESS); + puts((sel && !(ev->state & ShiftMask)) ? sel->text : text); + if (!(ev->state & ControlMask)) { + cleanup(); + exit(0); + } + if (sel) + sel->out = 1; + break; case XK_Right: - if(text[cursor] != '\0') { + if (text[cursor] != '\0') { cursor = nextrune(+1); break; } - else if(lines > 0) + if (lines > 0) return; + /* fallthrough */ case XK_Down: - if(sel && sel->right && (sel = sel->right) == next) { + if (sel && sel->right && (sel = sel->right) == next) { curr = next; calcoffsets(); } break; case XK_Tab: - if(!sel) + if (!sel) return; - strncpy(text, sel->text, sizeof text); + strncpy(text, sel->text, sizeof text - 1); + text[sizeof text - 1] = '\0'; cursor = strlen(text); - match(True); + match(); break; } - drawmenu(); -} -void -match(Bool sub) { - size_t len = strlen(text); - Item *lexact, *lprefix, *lsubstr, *exactend, *prefixend, *substrend; - Item *item, *next; - - lexact = lprefix = lsubstr = exactend = prefixend = substrend = NULL; - for(item = sub ? matches : items; item && item->text; item = next) { - next = sub ? item->right : item + 1; - if(!fstrncmp(text, item->text, len + 1)) - appenditem(item, &lexact, &exactend); - else if(!fstrncmp(text, item->text, len)) - appenditem(item, &lprefix, &prefixend); - else if(fstrstr(item->text, text)) - appenditem(item, &lsubstr, &substrend); - } - matches = lexact; - matchend = exactend; - - if(lprefix) { - if(matchend) { - matchend->right = lprefix; - lprefix->left = matchend; - } - else - matches = lprefix; - matchend = prefixend; - } - if(lsubstr) { - if(matchend) { - matchend->right = lsubstr; - lsubstr->left = matchend; - } - else - matches = lsubstr; - matchend = substrend; - } - curr = sel = matches; - calcoffsets(); -} - -size_t -nextrune(int incr) { - size_t n, len = strlen(text); - - for(n = cursor + incr; n >= 0 && n < len && (text[n] & 0xc0) == 0x80; n += incr); - return n; +draw: + drawmenu(); } -void -paste(void) { +static void +paste(void) +{ char *p, *q; int di; unsigned long dl; Atom da; - XGetWindowProperty(dc->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 : strlen(p)); - XFree(p); + /* we have been given the current selection, now insert it into input */ + 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(); } -void -readstdin(void) { - char buf[sizeof text], *p, *maxstr = NULL; - size_t i, max = 0, size = 0; - - for(i = 0; fgets(buf, sizeof buf, stdin); items[++i].text = NULL) { - if(i+1 >= size / sizeof *items) - if(!(items = realloc(items, (size += BUFSIZ)))) - eprintf("cannot realloc %u bytes:", size); - if((p = strchr(buf, '\n'))) +static void +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++) { + if (i + 1 >= size / sizeof *items) + if (!(items = realloc(items, (size += BUFSIZ)))) + die("cannot realloc %u bytes:", size); + if ((p = strchr(buf, '\n'))) *p = '\0'; - if(!(items[i].text = strdup(buf))) - eprintf("cannot strdup %u bytes:", strlen(buf)+1); - if(strlen(items[i].text) > max) - max = strlen(maxstr = items[i].text); + if (!(items[i].text = strdup(buf))) + die("cannot strdup %u 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; + } } - inputw = maxstr ? textw(dc, maxstr) : 0; + if (items) + items[i].text = NULL; + inputw = items ? TEXTW(items[imax].text) : 0; + lines = MIN(lines, i); } -void -run(void) { +static void +run(void) +{ XEvent ev; - while(!XNextEvent(dc->dpy, &ev)) + while (!XNextEvent(dpy, &ev)) { + 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) - drawmenu(); + 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; case SelectionNotify: - if(ev.xselection.property == utf8) + if (ev.xselection.property == utf8) paste(); break; case VisibilityNotify: - if(ev.xvisibility.state != VisibilityUnobscured) - XRaiseWindow(dc->dpy, win); + if (ev.xvisibility.state != VisibilityUnobscured) + XRaiseWindow(dpy, win); break; } + } } -void -setup(void) { - int x, y, screen = DefaultScreen(dc->dpy); - Window root = RootWindow(dc->dpy, screen); - XSetWindowAttributes wa; +static void +setup(void) +{ + int x, y, i, j; + unsigned int du; + XSetWindowAttributes swa; + XIM xim; + Window w, dw, *dws; + XWindowAttributes wa; + XClassHint ch = {"dmenu", "dmenu"}; #ifdef XINERAMA - int n; XineramaScreenInfo *info; + Window pw; + int a, di, n, area = 0; #endif + /* init appearance */ + for (j = 0; j < SchemeLast; j++) + scheme[j] = drw_scm_create(drw, colors[j], 2); - normcol[ColBG] = getcolor(dc, normbgcolor); - normcol[ColFG] = getcolor(dc, normfgcolor); - selcol[ColBG] = getcolor(dc, selbgcolor); - selcol[ColFG] = getcolor(dc, selfgcolor); - - utf8 = XInternAtom(dc->dpy, "UTF8_STRING", False); + clip = XInternAtom(dpy, "CLIPBOARD", False); + utf8 = XInternAtom(dpy, "UTF8_STRING", False); - /* menu geometry */ - bh = dc->font.height + 2; + /* calculate menu geometry */ + bh = drw->fonts->h + 2; lines = MAX(lines, 0); mh = (lines + 1) * bh; #ifdef XINERAMA - if((info = XineramaQueryScreens(dc->dpy, &n))) { - int i, di; - unsigned int du; - Window dw; - - XQueryPointer(dc->dpy, root, &dw, &dw, &x, &y, &di, &di, &du); - for(i = 0; i < n-1; i++) - if((monitor == info[i].screen_number) - || (monitor < 0 && INRECT(x, y, info[i].x_org, info[i].y_org, info[i].width, info[i].height))) - break; + i = 0; + if (parentwin == root && (info = XineramaQueryScreens(dpy, &n))) { + XGetInputFocus(dpy, &w, &di); + if (mon >= 0 && mon < n) + i = mon; + else if (w != root && w != PointerRoot && w != None) { + /* find top-level window containing current input focus */ + do { + if (XQueryTree(dpy, (pw = w), &dw, &w, &dws, &du) && dws) + XFree(dws); + } while (w != root && w != pw); + /* find xinerama screen with which the window intersects most */ + if (XGetWindowAttributes(dpy, pw, &wa)) + for (j = 0; j < n; j++) + if ((a = INTERSECT(wa.x, wa.y, wa.width, wa.height, info[j])) > area) { + area = a; + i = j; + } + } + /* no focused window is on screen, so use pointer location instead */ + 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; + x = info[i].x_org; y = info[i].y_org + (topbar ? 0 : info[i].height - mh); mw = info[i].width; XFree(info); - } - else + } else #endif { + if (!XGetWindowAttributes(dpy, parentwin, &wa)) + die("could not get embedding window attributes: 0x%lx", + parentwin); x = 0; - y = topbar ? 0 : DisplayHeight(dc->dpy, screen) - mh; - mw = DisplayWidth(dc->dpy, screen); + y = topbar ? 0 : wa.height - mh; + mw = wa.width; } + promptw = (prompt && *prompt) ? TEXTW(prompt) - lrpad / 4 : 0; inputw = MIN(inputw, mw/3); - promptw = prompt ? textw(dc, prompt) : 0; - match(False); - - /* menu window */ - wa.override_redirect = True; - wa.background_pixmap = ParentRelative; - wa.event_mask = ExposureMask | KeyPressMask | VisibilityChangeMask; - win = XCreateWindow(dc->dpy, root, x, y, mw, mh, 0, - DefaultDepth(dc->dpy, screen), CopyFromParent, - DefaultVisual(dc->dpy, screen), - CWOverrideRedirect | CWBackPixmap | CWEventMask, &wa); - - XMapRaised(dc->dpy, win); - resizedc(dc, mw, mh); + match(); + + /* create menu window */ + swa.override_redirect = True; + swa.background_pixel = scheme[SchemeNorm][ColBg].pixel; + swa.event_mask = ExposureMask | KeyPressMask | VisibilityChangeMask; + 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"); + + 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(); } + +static void +usage(void) +{ + 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); +} + +int +main(int argc, char *argv[]) +{ + XWindowAttributes wa; + int i, fast = 0; + + for (i = 1; i < argc; i++) + /* these options take no arguments */ + if (!strcmp(argv[i], "-v")) { /* prints version information */ + puts("dmenu-"VERSION); + exit(0); + } else if (!strcmp(argv[i], "-b")) /* appears at the bottom of the screen */ + 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 (!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 */ + lines = atoi(argv[++i]); + else if (!strcmp(argv[i], "-m")) + mon = atoi(argv[++i]); + else if (!strcmp(argv[i], "-p")) /* adds prompt to left of input field */ + prompt = argv[++i]; + else if (!strcmp(argv[i], "-fn")) /* font or font set */ + fonts[0] = argv[++i]; + else if (!strcmp(argv[i], "-nb")) /* normal background color */ + colors[SchemeNorm][ColBg] = argv[++i]; + else if (!strcmp(argv[i], "-nf")) /* normal foreground color */ + colors[SchemeNorm][ColFg] = argv[++i]; + else if (!strcmp(argv[i], "-sb")) /* selected background color */ + colors[SchemeSel][ColBg] = argv[++i]; + else if (!strcmp(argv[i], "-sf")) /* selected foreground color */ + colors[SchemeSel][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"); + screen = DefaultScreen(dpy); + root = RootWindow(dpy, screen); + 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."); + lrpad = drw->fonts->h; + +#ifdef __OpenBSD__ + if (pledge("stdio rpath", NULL) == -1) + die("pledge"); +#endif + + if (fast && !isatty(0)) { + grabkeyboard(); + readstdin(); + } else { + readstdin(); + grabkeyboard(); + } + setup(); + run(); + + return 1; /* unreachable */ +}