/* 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 <X11/Xlib.h>
#include <X11/Xatom.h>
+#include <X11/Xproto.h>
#include <X11/Xutil.h>
#ifdef XINERAMA
#include <X11/extensions/Xinerama.h>
#define LENGTH(X) (sizeof X / sizeof X[0])
#define TEXTW(X) (drw_fontset_getwidth(drw, (X)) + lrpad)
+#define OPAQUE 0xffU
+
/* enums */
enum { SchemeNorm, SchemeSel, SchemeOut, SchemeLast }; /* color schemes */
char *text;
struct item *left, *right;
int out;
+ double distance;
};
static char text[BUFSIZ] = "";
static Drw *drw;
static Clr *scheme[SchemeLast];
+static int useargb = 0;
+static Visual *visual;
+static int depth;
+static Colormap cmap;
+
#include "config.h"
static int (*fstrncmp)(const char *, const char *, size_t) = strncmp;
static char *(*fstrstr)(const char *, const char *) = strstr;
+static void xinitvisual();
+
+static unsigned int
+textw_clamp(const char *str, unsigned int n)
+{
+ unsigned int w = drw_fontset_getwidth_clamp(drw, str, n) + lrpad;
+ return MIN(w, n);
+}
static void
appenditem(struct item *item, struct item **list, struct item **last)
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)
+ if ((i += (lines > 0) ? bh : textw_clamp(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)
+ if ((i += (lines > 0) ? bh : textw_clamp(prev->left->text, n)) > n)
break;
}
+static int
+max_textw(void)
+{
+ int len = 0;
+ for (struct item *item = items; item && item->text; item++)
+ len = MAX(TEXTW(item->text), len);
+ return len;
+}
+
static void
cleanup(void)
{
XUngrabKey(dpy, AnyKey, AnyModifier, root);
for (i = 0; i < SchemeLast; i++)
free(scheme[i]);
+ for (i = 0; items && items[i].text; ++i)
+ free(items[i].text);
+ free(items);
drw_free(drw);
XSync(dpy, False);
XCloseDisplay(dpy);
}
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, textw_clamp(item->text, mw - x - TEXTW(">")));
if (next) {
w = TEXTW(">");
drw_setscheme(drw, scheme[SchemeNorm]);
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;
/* 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);
+ die("cannot realloc %zu bytes:", tokn * sizeof *tokv);
len = tokc ? strlen(tokv[0]) : 0;
matches = lprefix = lsubstr = matchend = prefixend = substrend = NULL;
switch(ksym) {
default:
insert:
- if (!iscntrl(*buf))
+ if (!iscntrl((unsigned char)*buf))
insert(buf, len);
break;
case XK_Delete:
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)
{
readstdin(void)
{
char buf[sizeof text], *p;
- size_t i, imax = 0, size = 0;
- unsigned int tmpmax = 0;
+ size_t i, size = 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);
+ die("cannot realloc %zu bytes:", size);
if ((p = strchr(buf, '\n')))
*p = '\0';
if (!(items[i].text = strdup(buf)))
- die("cannot strdup %u bytes:", strlen(buf) + 1);
+ die("cannot strdup %zu 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;
- }
}
if (items)
items[i].text = NULL;
- inputw = items ? TEXTW(items[imax].text) : 0;
lines = MIN(lines, i);
}
break;
cleanup();
exit(1);
+ case ButtonPress:
+ buttonpress(&ev);
+ break;
case Expose:
if (ev.xexpose.count == 0)
drw_map(drw, win, 0, 0, mw, mh);
setup(void)
{
int x, y, i, j;
- unsigned int du;
+ unsigned int du, tmp;
XSetWindowAttributes swa;
XIM xim;
Window w, dw, *dws;
XWindowAttributes wa;
XClassHint ch = {"dmenu", "dmenu"};
+ struct item *item;
#ifdef XINERAMA
XineramaScreenInfo *info;
Window pw;
#endif
/* init appearance */
for (j = 0; j < SchemeLast; j++)
- scheme[j] = drw_scm_create(drw, colors[j], 2);
+ scheme[j] = drw_scm_create(drw, colors[j], alphas[j], 2);
clip = XInternAtom(dpy, "CLIPBOARD", False);
utf8 = XInternAtom(dpy, "UTF8_STRING", False);
bh = drw->fonts->h + 2;
lines = MAX(lines, 0);
mh = (lines + 1) * bh;
+ promptw = (prompt && *prompt) ? TEXTW(prompt) - lrpad / 4 : 0;
#ifdef XINERAMA
i = 0;
if (parentwin == root && (info = XineramaQueryScreens(dpy, &n))) {
if (INTERSECT(x, y, 1, 1, info[i]) != 0)
break;
- x = info[i].x_org;
- y = info[i].y_org + (topbar ? 0 : info[i].height - mh);
- mw = info[i].width;
+ if (centered) {
+ mw = MIN(MAX(max_textw() + promptw, min_width), info[i].width);
+ x = info[i].x_org + ((info[i].width - mw) / 2);
+ y = info[i].y_org + ((info[i].height - mh) / 2);
+ } else {
+ 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;
+
+ if (centered) {
+ mw = MIN(MAX(max_textw() + promptw, min_width), wa.width);
+ x = (wa.width - mw) / 2;
+ y = (wa.height - mh) / 2;
+ } else {
+ x = 0;
+ y = topbar ? 0 : wa.height - mh;
+ mw = wa.width;
+ }
+ }
+ for (item = items; item && item->text; ++item) {
+ if ((tmp = textw_clamp(item->text, mw/3)) > inputw) {
+ if ((inputw = tmp) == mw/3)
+ break;
+ }
}
- 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;
+ swa.background_pixel = 0;
+ swa.border_pixel = 0;
+ swa.colormap = cmap;
+ swa.event_mask = ExposureMask | KeyPressMask | VisibilityChangeMask | ButtonPressMask;
win = XCreateWindow(dpy, parentwin, x, y, mw, mh, 0,
- CopyFromParent, CopyFromParent, CopyFromParent,
- CWOverrideRedirect | CWBackPixel | CWEventMask, &swa);
+ depth, CopyFromParent, visual,
+ CWOverrideRedirect | CWBackPixel | CWBorderPixel | CWColormap | CWEventMask, &swa);
XSetClassHint(dpy, win, &ch);
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 */
fstrncmp = strncasecmp;
fstrstr = cistrstr;
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);
+ xinitvisual();
+ drw = drw_create(dpy, screen, root, wa.width, wa.height, visual, depth, cmap);
if (!drw_fontset_create(drw, fonts, LENGTH(fonts)))
die("no fonts could be loaded.");
lrpad = drw->fonts->h;
return 1; /* unreachable */
}
+
+ void
+xinitvisual()
+{
+ XVisualInfo *infos;
+ XRenderPictFormat *fmt;
+ int nitems;
+ int i;
+
+ XVisualInfo tpl = {
+ .screen = screen,
+ .depth = 32,
+ .class = TrueColor
+ };
+ long masks = VisualScreenMask | VisualDepthMask | VisualClassMask;
+
+ infos = XGetVisualInfo(dpy, masks, &tpl, &nitems);
+ visual = NULL;
+ for(i = 0; i < nitems; i ++) {
+ fmt = XRenderFindVisualFormat(dpy, infos[i].visual);
+ if (fmt->type == PictTypeDirect && fmt->direct.alphaMask) {
+ visual = infos[i].visual;
+ depth = infos[i].depth;
+ cmap = XCreateColormap(dpy, root, visual, AllocNone);
+ useargb = 1;
+ break;
+ }
+ }
+
+ XFree(infos);
+
+ if (! visual) {
+ visual = DefaultVisual(dpy, screen);
+ depth = DefaultDepth(dpy, screen);
+ cmap = DefaultColormap(dpy, screen);
+ }
+}