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-rw-r--r--dmenu.c1097
1 files changed, 1097 insertions, 0 deletions
diff --git a/dmenu.c b/dmenu.c
new file mode 100644
index 0000000..19f369b
--- /dev/null
+++ b/dmenu.c
@@ -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 */
+}