/* 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>
char *text;
struct item *left, *right;
int out;
+ double distance;
};
static char text[BUFSIZ] = "";
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;
drawmenu();
}
+static void
+buttonpress(XEvent *e)
+{
+ struct item *item;
+ XButtonPressedEvent *ev = &e->xbutton;
+ int x = 0, y = 0, h = bh, w;
+
+ if (ev->window != win)
+ return;
+
+ /* right-click: exit */
+ if (ev->button == Button3)
+ exit(1);
+
+ if (prompt && *prompt)
+ x += promptw;
+
+ /* input field */
+ w = (lines > 0 || !matches) ? mw - x : inputw;
+
+ /* left-click on input: clear input,
+ * NOTE: if there is no left-arrow the space for < is reserved so
+ * add that to the input width */
+ if (ev->button == Button1 &&
+ ((lines <= 0 && ev->x >= 0 && ev->x <= x + w +
+ ((!prev || !curr->left) ? TEXTW("<") : 0)) ||
+ (lines > 0 && ev->y >= y && ev->y <= y + h))) {
+ insert(NULL, -cursor);
+ drawmenu();
+ return;
+ }
+ /* middle-mouse click: paste selection */
+ if (ev->button == Button2) {
+ XConvertSelection(dpy, (ev->state & ShiftMask) ? clip : XA_PRIMARY,
+ utf8, utf8, win, CurrentTime);
+ drawmenu();
+ return;
+ }
+ /* scroll up */
+ if (ev->button == Button4 && prev) {
+ sel = curr = prev;
+ calcoffsets();
+ drawmenu();
+ return;
+ }
+ /* scroll down */
+ if (ev->button == Button5 && next) {
+ sel = curr = next;
+ calcoffsets();
+ drawmenu();
+ return;
+ }
+ if (ev->button != Button1)
+ return;
+ if (ev->state & ~ControlMask)
+ return;
+ if (lines > 0) {
+ /* vertical list: (ctrl)left-click on item */
+ w = mw - x;
+ for (item = curr; item != next; item = item->right) {
+ y += h;
+ if (ev->y >= y && ev->y <= (y + h)) {
+ puts(item->text);
+ if (!(ev->state & ControlMask))
+ exit(0);
+ sel = item;
+ if (sel) {
+ sel->out = 1;
+ drawmenu();
+ }
+ return;
+ }
+ }
+ } else if (matches) {
+ /* left-click on left arrow */
+ x += inputw;
+ w = TEXTW("<");
+ if (prev && curr->left) {
+ if (ev->x >= x && ev->x <= x + w) {
+ sel = curr = prev;
+ calcoffsets();
+ drawmenu();
+ return;
+ }
+ }
+ /* horizontal list: (ctrl)left-click on item */
+ for (item = curr; item != next; item = item->right) {
+ x += w;
+ w = MIN(TEXTW(item->text), mw - x - TEXTW(">"));
+ if (ev->x >= x && ev->x <= x + w) {
+ puts(item->text);
+ if (!(ev->state & ControlMask))
+ exit(0);
+ sel = item;
+ if (sel) {
+ sel->out = 1;
+ drawmenu();
+ }
+ return;
+ }
+ }
+ /* left-click on right arrow */
+ w = TEXTW(">");
+ x = mw - w;
+ if (next && ev->x >= x && ev->x <= x + w) {
+ sel = curr = next;
+ calcoffsets();
+ drawmenu();
+ return;
+ }
+ }
+}
+
static void
paste(void)
{
break;
cleanup();
exit(1);
+ case ButtonPress:
+ buttonpress(&ev);
+ break;
case Expose:
if (ev.xexpose.count == 0)
drw_map(drw, win, 0, 0, mw, mh);
swa.background_pixel = 0;
swa.border_pixel = 0;
swa.colormap = cmap;
- swa.event_mask = ExposureMask | KeyPressMask | VisibilityChangeMask;
+ swa.event_mask = ExposureMask | KeyPressMask | VisibilityChangeMask | ButtonPressMask;
win = XCreateWindow(dpy, parentwin, x, y, mw, mh, 0,
depth, CopyFromParent, visual,
CWOverrideRedirect | CWBackPixel | CWBorderPixel | CWColormap | CWEventMask, &swa);
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 */
+ /* always fuzzy */; // fuzzy = 0;
else if (!strcmp(argv[i], "-c")) /* centers dmenu on screen */
centered = 1;
else if (!strcmp(argv[i], "-i")) { /* case-insensitive item matching */