diff options
Diffstat (limited to '')
| -rw-r--r-- | dmenu.c | 1097 |
1 files changed, 1097 insertions, 0 deletions
@@ -0,0 +1,1097 @@ +/* See LICENSE file for copyright and license details. */ +#include <ctype.h> +#include <locale.h> +#include <math.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <strings.h> +#include <time.h> +#include <unistd.h> + +#include <X11/Xatom.h> +#include <X11/Xlib.h> +#include <X11/Xresource.h> +#include <X11/Xutil.h> +#ifdef XINERAMA +#include <X11/extensions/Xinerama.h> +#endif +#include <X11/Xft/Xft.h> + +#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, + SchemeNormHighlight, + SchemeSelHighlight, + SchemeOut, + SchemeLast +}; /* color schemes */ + +struct item { + char *text; + char *text_output; + struct item *left, *right; + int out; + double distance; +}; + +static char numbers[NUMBERSBUFSIZE] = ""; +static char text[BUFSIZ] = ""; +static char *embed; +static char separator; +static int separator_greedy; +static int separator_reverse; +static int bh, mw, mh; +static int inputw = 0, promptw; +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; + +static Atom clip, utf8; +static Display *dpy; +static Window root, parentwin, win; +static XIC xic; + +static Drw *drw; +static Clr *scheme[SchemeLast]; + +/* Xresources preferences */ +enum resource_type { STRING = 0, INTEGER = 1, FLOAT = 2 }; +typedef struct { + char *name; + enum resource_type type; + void *dst; +} ResourcePref; + +static void load_xresources(void); +static void resource_load(XrmDatabase db, char *name, enum resource_type rtype, + void *dst); + +#include "config.h" + +/* static int (*fstrncmp)(const char *, const char *, size_t) = strncmp; */ +/* static char *(*fstrstr)(const char *, const char *) = strstr; */ +static char *cistrstr(const char *s, const char *sub); +static int (*fstrncmp)(const char *, const char *, size_t) = strncasecmp; +static char *(*fstrstr)(const char *, const char *) = cistrstr; + +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; +} + +static void calcoffsets(void) { + int i, n; + + if (lines > 0) + /* n = lines * bh; */ + n = lines * columns * bh; + else + 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(prev->left->text), n)) > n) + break; +} + +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 *h, const char *n) { + size_t i; + + if (!n[0]) + return (char *)h; + + for (; *h; ++h) { + for (i = 0; + n[i] && tolower((unsigned char)n[i]) == tolower((unsigned char)h[i]); + ++i) + ; + if (n[i] == '\0') + return (char *)h; + } + 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) + 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; + + 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]); + 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 grid */ + int i = 0; + for (item = curr; item != next; item = item->right, i++) + drawitem(item, x + ((i / lines) * ((mw - x) / columns)), + y + (((i % lines) + 1) * bh), (mw - x) / columns); + } 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(">"))); + */ + 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, + GrabModeAsync, CurrentTime) == GrabSuccess) + return; + nanosleep(&ts, NULL); + } + 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; + + 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) + memcpy(&text[cursor], str, n); + cursor += n; + match(); +} + +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; + int i, offscreen = 0; + struct item *tmpsel; + + len = XmbLookupString(xic, ev, buf, sizeof buf, &ksym, &status); + switch (status) { + default: /* XLookupNone, XBufferOverflow */ + return; + 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; + 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(); + break; + case XK_u: /* delete left */ + insert(NULL, 0 - cursor); + break; + case XK_w: /* delete word */ + while (cursor > 0 && strchr(worddelimiters, text[nextrune(-1)])) + insert(NULL, nextrune(-1) - cursor); + while (cursor > 0 && !strchr(worddelimiters, text[nextrune(-1)])) + insert(NULL, nextrune(-1) - cursor); + break; + case XK_y: /* paste selection */ + case XK_Y: + XConvertSelection(dpy, (ev->state & ShiftMask) ? clip : XA_PRIMARY, utf8, + utf8, win, CurrentTime); + return; + case XK_Left: + case XK_KP_Left: + movewordedge(-1); + goto draw; + case XK_Right: + case XK_KP_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: + insert: + if (!iscntrl(*buf)) + insert(buf, len); + break; + case XK_Delete: + case XK_KP_Delete: + if (text[cursor] == '\0') + return; + cursor = nextrune(+1); + /* fallthrough */ + case XK_BackSpace: + if (cursor == 0) + return; + insert(NULL, nextrune(-1) - cursor); + break; + case XK_End: + case XK_KP_End: + if (text[cursor] != '\0') { + cursor = strlen(text); + break; + } + if (next) { + /* jump to end of list and position items in reverse */ + curr = matchend; + calcoffsets(); + curr = prev; + calcoffsets(); + while (next && (curr = curr->right)) + calcoffsets(); + } + sel = matchend; + break; + case XK_Escape: + cleanup(); + exit(1); + case XK_Home: + case XK_KP_Home: + if (sel == matches) { + cursor = 0; + break; + } + sel = curr = matches; + calcoffsets(); + break; + case XK_Left: + if (columns > 1) { + if (!sel) + return; + tmpsel = sel; + for (i = 0; i < lines; i++) { + if (!tmpsel->left || tmpsel->left->right != tmpsel) { + if (offscreen) + break; + return; + } + if (tmpsel == curr) + offscreen = 1; + tmpsel = tmpsel->left; + } + sel = tmpsel; + if (offscreen) { + curr = prev; + calcoffsets(); + } + break; + } + case XK_KP_Left: + if (cursor > 0 && (!sel || !sel->left || lines > 0)) { + cursor = nextrune(-1); + break; + } + if (lines > 0) + return; + /* fallthrough */ + case XK_Up: + case XK_KP_Up: + if (sel && sel->left && (sel = sel->left)->right == curr) { + curr = prev; + calcoffsets(); + } + break; + case XK_Next: + case XK_KP_Next: + if (!next) + return; + sel = curr = next; + calcoffsets(); + break; + case XK_Prior: + case XK_KP_Prior: + if (!prev) + return; + sel = curr = prev; + calcoffsets(); + break; + case XK_Return: + case XK_KP_Enter: + puts((sel && !(ev->state & ShiftMask)) ? sel->text_output : text); + if (!(ev->state & ControlMask)) { + cleanup(); + exit(0); + } + if (sel) + sel->out = 1; + break; + case XK_Right: + if (columns > 1) { + if (!sel) + return; + tmpsel = sel; + for (i = 0; i < lines; i++) { + if (!tmpsel->right || tmpsel->right->left != tmpsel) { + if (offscreen) + break; + return; + } + tmpsel = tmpsel->right; + if (tmpsel == next) + offscreen = 1; + } + sel = tmpsel; + if (offscreen) { + curr = next; + calcoffsets(); + } + break; + } + case XK_KP_Right: + if (text[cursor] != '\0') { + cursor = nextrune(+1); + break; + } + if (lines > 0) + return; + /* fallthrough */ + case XK_Down: + case XK_KP_Down: + if (sel && sel->right && (sel = sel->right) == next) { + curr = next; + calcoffsets(); + } + break; + case XK_Tab: + if (!sel) + return; + strncpy(text, sel->text, sizeof text - 1); + text[sizeof text - 1] = '\0'; + cursor = strlen(text); + match(); + break; + } + +draw: + drawmenu(); +} + +static void paste(void) { + char *p, *q; + int di; + unsigned long dl; + Atom da; + + /* 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(); +} + +static void readstdin(void) { + char buf[sizeof text], *p; + size_t i, imax = 0, size = 0; + unsigned int tmpmax = 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); + if ((p = strchr(buf, '\n'))) + *p = '\0'; + if (!(items[i].text = strdup(buf))) + die("cannot strdup %u bytes:", strlen(buf) + 1); + if (separator && + (p = separator_greedy ? strrchr(items[i].text, separator) + : strchr(items[i].text, separator))) { + *p = '\0'; + items[i].text_output = ++p; + } else { + items[i].text_output = items[i].text; + } + if (separator_reverse) { + p = items[i].text; + items[i].text = items[i].text_output; + items[i].text_output = p; + } + 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); +} + +void resource_load(XrmDatabase db, char *name, enum resource_type rtype, + void *dst) { + char *sdst = NULL; + int *idst = NULL; + float *fdst = NULL; + sdst = dst; + idst = dst; + fdst = dst; + char fullname[256]; + char *type; + XrmValue ret; + snprintf(fullname, sizeof(fullname), "%s.%s", "dmenu", name); + fullname[sizeof(fullname) - 1] = '\0'; + XrmGetResource(db, fullname, "*", &type, &ret); + if (!(ret.addr == NULL || strncmp("String", type, 64))) { + switch (rtype) { + case STRING: + strcpy(sdst, ret.addr); + break; + case INTEGER: + *idst = strtoul(ret.addr, NULL, 10); + break; + case FLOAT: + *fdst = strtof(ret.addr, NULL); + break; + } + } +} + +void load_xresources(void) { + Display *display; + char *resm; + XrmDatabase db; + ResourcePref *p; + display = XOpenDisplay(NULL); + resm = XResourceManagerString(display); + if (!resm) + return; + db = XrmGetStringDatabase(resm); + for (p = resources; p < resources + LENGTH(resources); p++) + resource_load(db, p->name, p->type, p->dst); + XCloseDisplay(display); +} + +static void run(void) { + XEvent 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) + 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) + paste(); + break; + case VisibilityNotify: + if (ev.xvisibility.state != VisibilityUnobscured) + XRaiseWindow(dpy, win); + break; + } + } +} + +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 + 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); + + clip = XInternAtom(dpy, "CLIPBOARD", False); + utf8 = XInternAtom(dpy, "UTF8_STRING", False); + + /* calculate menu geometry */ + bh = drw->fonts->h + 2; + 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) + 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 +#endif + { + 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; + } + 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.event_mask = ExposureMask | KeyPressMask | VisibilityChangeMask; + /* win = XCreateWindow(dpy, parentwin, x, y, mw, mh, 0, */ + win = XCreateWindow(dpy, parentwin, x, y, mw, mh, border_width, + CopyFromParent, CopyFromParent, CopyFromParent, + CWOverrideRedirect | CWBackPixel | CWEventMask, &swa); + XSetWindowBorder(dpy, win, scheme[SchemeSel][ColBg].pixel); + 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 [-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]\n" + " [-d separator] [-D separator] [-w windowid]\n", + stderr); + exit(1); +} + +int main(int argc, char *argv[]) { + XWindowAttributes wa; + int i, fast = 0; + + XrmInitialize(); + load_xresources(); + + 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], "-s")) { /* case-sensitive item matching */ + fstrncmp = strncmp; + fstrstr = strstr; + } else if (i + 1 == argc) + usage(); + /* these options take one argument */ + else if (!strcmp(argv[i], "-g")) { /* number of columns in grid */ + columns = atoi(argv[++i]); + if (lines == 0) + lines = 1; + } else if (!strcmp(argv[i], "-l")) { /* number of lines in grid */ + lines = atoi(argv[++i]); + if (columns == 0) + columns = 1; + } 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], "-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], "-d") || /* field separator */ + (separator_greedy = !strcmp(argv[i], "-D"))) { + separator = argv[++i][0]; + separator_reverse = argv[i][1] == '|'; + } 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 */ +} |