patch: center

[dmenu.git] / dmenu.c

diff --git a/dmenu.c b/dmenu.c
index 3b05752..35ce141 100644 (file)
--- a/dmenu.c
+++ b/dmenu.c
@@ -6,6 +6,7 @@
 #include <string.h>
 #include <strings.h>
 #include <time.h>
 #include <string.h>
 #include <strings.h>
 #include <time.h>

+#include <unistd.h>

 
 #include <X11/Xlib.h>
 #include <X11/Xatom.h>
 
 #include <X11/Xlib.h>
 #include <X11/Xatom.h>


@@ -34,8 +35,8 @@ struct item {
 };
 
 static char text[BUFSIZ] = "";
 };
 
 static char text[BUFSIZ] = "";

+static char *embed;

 static int bh, mw, mh;
 static int bh, mw, mh;

-static int sw, sh; /* X display screen geometry width, height */

 static int inputw = 0, promptw;
 static int lrpad; /* sum of left and right padding */
 static size_t cursor;
 static int inputw = 0, promptw;
 static int lrpad; /* sum of left and right padding */
 static size_t cursor;


@@ -46,7 +47,7 @@ static int mon = -1, screen;
 
 static Atom clip, utf8;
 static Display *dpy;
 
 static Atom clip, utf8;
 static Display *dpy;

-static Window root, win;
+static Window root, parentwin, win;

 static XIC xic;
 
 static Drw *drw;
 static XIC xic;
 
 static Drw *drw;


@@ -57,6 +58,13 @@ static Clr *scheme[SchemeLast];
 static int (*fstrncmp)(const char *, const char *, size_t) = strncmp;
 static char *(*fstrstr)(const char *, const char *) = strstr;
 
 static int (*fstrncmp)(const char *, const char *, size_t) = strncmp;
 static char *(*fstrstr)(const char *, const char *) = strstr;
 

+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)
 {
 static void
 appenditem(struct item *item, struct item **list, struct item **last)
 {


@@ -81,13 +89,22 @@ calcoffsets(void)
                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)
                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)
                        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;
 }
 
                        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)
 {
 static void
 cleanup(void)
 {


@@ -96,19 +113,29 @@ cleanup(void)
        XUngrabKey(dpy, AnyKey, AnyModifier, root);
        for (i = 0; i < SchemeLast; i++)
                free(scheme[i]);
        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);
 }
 
 static char *
        drw_free(drw);
        XSync(dpy, False);
        XCloseDisplay(dpy);
 }
 
 static char *

-cistrstr(const char *s, const char *sub)
+cistrstr(const char *h, const char *n)

 {
 {

-       size_t len;
+       size_t i;

 
 

-       for (len = strlen(sub); *s; s++)
-               if (!strncasecmp(s, sub, len))
-                       return (char *)s;
+       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;
 }
 
        return NULL;
 }
 


@@ -144,7 +171,7 @@ drawmenu(void)
        drw_setscheme(drw, scheme[SchemeNorm]);
        drw_text(drw, x, 0, w, bh, lrpad / 2, text, 0);
 
        drw_setscheme(drw, scheme[SchemeNorm]);
        drw_text(drw, x, 0, w, bh, lrpad / 2, text, 0);
 

-       drw_font_getexts(drw->fonts, text, cursor, &curpos, NULL);
+       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);
        if ((curpos += lrpad / 2 - 1) < w) {
                drw_setscheme(drw, scheme[SchemeNorm]);
                drw_rect(drw, x + curpos, 2, 2, bh - 4, 1, 0);


@@ -164,7 +191,7 @@ drawmenu(void)
                }
                x += w;
                for (item = curr; item != next; item = item->right)
                }
                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]);
                if (next) {
                        w = TEXTW(">");
                        drw_setscheme(drw, scheme[SchemeNorm]);


@@ -174,12 +201,31 @@ drawmenu(void)
        drw_map(drw, win, 0, 0, mw, mh);
 }
 
        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;
 
 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,
        /* 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,


@@ -205,11 +251,11 @@ match(void)
        /* 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)))
        /* 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;
        len = tokc ? strlen(tokv[0]) : 0;
 
        matches = lprefix = lsubstr = matchend = prefixend = substrend = NULL;

-       textsize = strlen(text);
+       textsize = strlen(text) + 1;

        for (item = items; item && item->text; item++) {
                for (i = 0; i < tokc; i++)
                        if (!fstrstr(item->text, tokv[i]))
        for (item = items; item && item->text; item++) {
                for (i = 0; i < tokc; i++)
                        if (!fstrstr(item->text, tokv[i]))


@@ -268,18 +314,42 @@ nextrune(int inc)
        return n;
 }
 
        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;
 static void
 keypress(XKeyEvent *ev)
 {
        char buf[32];
        int len;

-       KeySym ksym = NoSymbol;
+       KeySym ksym;

        Status status;
 
        len = XmbLookupString(xic, ev, buf, sizeof buf, &ksym, &status);
        Status status;
 
        len = XmbLookupString(xic, ev, buf, sizeof buf, &ksym, &status);

-       if (status == XBufferOverflow)
+       switch (status) {
+       default: /* XLookupNone, XBufferOverflow */

                return;
                return;

-       if (ev->state & ControlMask)
+       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;
                switch(ksym) {
                case XK_a: ksym = XK_Home;      break;
                case XK_b: ksym = XK_Left;      break;


@@ -315,6 +385,14 @@ keypress(XKeyEvent *ev)
                        XConvertSelection(dpy, (ev->state & ShiftMask) ? clip : XA_PRIMARY,
                                          utf8, utf8, win, CurrentTime);
                        return;
                        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_Return:
                case XK_KP_Enter:
                        break;


@@ -324,8 +402,14 @@ keypress(XKeyEvent *ev)
                default:
                        return;
                }
                default:
                        return;
                }

-       else if (ev->state & Mod1Mask)
+       } else if (ev->state & Mod1Mask) {

                switch(ksym) {
                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_g: ksym = XK_Home;  break;
                case XK_G: ksym = XK_End;   break;
                case XK_h: ksym = XK_Up;    break;


@@ -335,12 +419,16 @@ keypress(XKeyEvent *ev)
                default:
                        return;
                }
                default:
                        return;
                }

+       }
+

        switch(ksym) {
        default:
        switch(ksym) {
        default:

-               if (!iscntrl(*buf))
+insert:
+               if (!iscntrl((unsigned char)*buf))

                        insert(buf, len);
                break;
        case XK_Delete:
                        insert(buf, len);
                break;
        case XK_Delete:

+       case XK_KP_Delete:

                if (text[cursor] == '\0')
                        return;
                cursor = nextrune(+1);
                if (text[cursor] == '\0')
                        return;
                cursor = nextrune(+1);


@@ -351,6 +439,7 @@ keypress(XKeyEvent *ev)
                insert(NULL, nextrune(-1) - cursor);
                break;
        case XK_End:
                insert(NULL, nextrune(-1) - cursor);
                break;
        case XK_End:

+       case XK_KP_End:

                if (text[cursor] != '\0') {
                        cursor = strlen(text);
                        break;
                if (text[cursor] != '\0') {
                        cursor = strlen(text);
                        break;


@@ -370,6 +459,7 @@ keypress(XKeyEvent *ev)
                cleanup();
                exit(1);
        case XK_Home:
                cleanup();
                exit(1);
        case XK_Home:

+       case XK_KP_Home:

                if (sel == matches) {
                        cursor = 0;
                        break;
                if (sel == matches) {
                        cursor = 0;
                        break;


@@ -378,6 +468,7 @@ keypress(XKeyEvent *ev)
                calcoffsets();
                break;
        case XK_Left:
                calcoffsets();
                break;
        case XK_Left:

+       case XK_KP_Left:

                if (cursor > 0 && (!sel || !sel->left || lines > 0)) {
                        cursor = nextrune(-1);
                        break;
                if (cursor > 0 && (!sel || !sel->left || lines > 0)) {
                        cursor = nextrune(-1);
                        break;


@@ -386,18 +477,21 @@ keypress(XKeyEvent *ev)
                        return;
                /* fallthrough */
        case XK_Up:
                        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:
                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:
                if (!next)
                        return;
                sel = curr = next;
                calcoffsets();
                break;
        case XK_Prior:

+       case XK_KP_Prior:

                if (!prev)
                        return;
                sel = curr = prev;
                if (!prev)
                        return;
                sel = curr = prev;


@@ -414,6 +508,7 @@ keypress(XKeyEvent *ev)
                        sel->out = 1;
                break;
        case XK_Right:
                        sel->out = 1;
                break;
        case XK_Right:

+       case XK_KP_Right:

                if (text[cursor] != '\0') {
                        cursor = nextrune(+1);
                        break;
                if (text[cursor] != '\0') {
                        cursor = nextrune(+1);
                        break;


@@ -422,6 +517,7 @@ keypress(XKeyEvent *ev)
                        return;
                /* fallthrough */
        case XK_Down:
                        return;
                /* fallthrough */
        case XK_Down:

+       case XK_KP_Down:

                if (sel && sel->right && (sel = sel->right) == next) {
                        curr = next;
                        calcoffsets();
                if (sel && sel->right && (sel = sel->right) == next) {
                        curr = next;
                        calcoffsets();


@@ -436,6 +532,8 @@ keypress(XKeyEvent *ev)
                match();
                break;
        }
                match();
                break;
        }

+
+draw:

        drawmenu();
 }
 
        drawmenu();
 }
 


@@ -448,10 +546,12 @@ paste(void)
        Atom da;
 
        /* we have been given the current selection, now insert it into input */
        Atom da;
 
        /* we have been given the current selection, now insert it into input */

-       XGetWindowProperty(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 : (ssize_t)strlen(p));
-       XFree(p);
+       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();
 }
 
        drawmenu();
 }
 


@@ -459,28 +559,21 @@ static void
 readstdin(void)
 {
        char buf[sizeof text], *p;
 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))))
 
        /* 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)))
                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;
                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;
        }
        if (items)
                items[i].text = NULL;

-       inputw = items ? TEXTW(items[imax].text) : 0;

        lines = MIN(lines, i);
 }
 
        lines = MIN(lines, i);
 }
 


@@ -493,10 +586,20 @@ run(void)
                if (XFilterEvent(&ev, win))
                        continue;
                switch(ev.type) {
                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 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 KeyPress:
                        keypress(&ev.xkey);
                        break;


@@ -515,21 +618,22 @@ run(void)
 static void
 setup(void)
 {
 static void
 setup(void)
 {

-       int x, y;
+       int x, y, i, j;
+       unsigned int du, tmp;

        XSetWindowAttributes swa;
        XIM xim;
        XSetWindowAttributes swa;
        XIM xim;

+       Window w, dw, *dws;
+       XWindowAttributes wa;
+       XClassHint ch = {"dmenu", "dmenu"};
+       struct item *item;

 #ifdef XINERAMA
        XineramaScreenInfo *info;
 #ifdef XINERAMA
        XineramaScreenInfo *info;

-       Window w, pw, dw, *dws;
-       XWindowAttributes wa;
-       int a, j, di, n, i = 0, area = 0;
-       unsigned int du;
+       Window pw;
+       int a, di, n, area = 0;

 #endif
 #endif

-

        /* init appearance */
        /* init appearance */

-       scheme[SchemeNorm] = drw_scm_create(drw, colors[SchemeNorm], 2);
-       scheme[SchemeSel] = drw_scm_create(drw, colors[SchemeSel], 2);
-       scheme[SchemeOut] = drw_scm_create(drw, colors[SchemeOut], 2);
+       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);
 
        clip = XInternAtom(dpy, "CLIPBOARD",   False);
        utf8 = XInternAtom(dpy, "UTF8_STRING", False);


@@ -538,8 +642,10 @@ setup(void)
        bh = drw->fonts->h + 2;
        lines = MAX(lines, 0);
        mh = (lines + 1) * bh;
        bh = drw->fonts->h + 2;
        lines = MAX(lines, 0);
        mh = (lines + 1) * bh;

+       promptw = (prompt && *prompt) ? TEXTW(prompt) - lrpad / 4 : 0;

 #ifdef XINERAMA
 #ifdef XINERAMA

-       if ((info = XineramaQueryScreens(dpy, &n))) {
+       i = 0;
+       if (parentwin == root && (info = XineramaQueryScreens(dpy, &n))) {

                XGetInputFocus(dpy, &w, &di);
                if (mon >= 0 && mon < n)
                        i = mon;
                XGetInputFocus(dpy, &w, &di);
                if (mon >= 0 && mon < n)
                        i = mon;


@@ -560,39 +666,72 @@ setup(void)
                /* 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++)
                /* 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]))
+                               if (INTERSECT(x, y, 1, 1, info[i]) != 0)

                                        break;
 
                                        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
        {
                XFree(info);
        } else
 #endif
        {

-               x = 0;
-               y = topbar ? 0 : sh - mh;
-               mw = sw;
+               if (!XGetWindowAttributes(dpy, parentwin, &wa))
+                       die("could not get embedding window attributes: 0x%lx",
+                           parentwin);
+
+               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;
        match();
 
        /* create menu window */
        swa.override_redirect = True;
        swa.background_pixel = scheme[SchemeNorm][ColBg].pixel;
        swa.event_mask = ExposureMask | KeyPressMask | VisibilityChangeMask;

-       win = XCreateWindow(dpy, root, x, y, mw, mh, 0,
-                           DefaultDepth(dpy, screen), CopyFromParent,
-                           DefaultVisual(dpy, screen),
+       win = XCreateWindow(dpy, parentwin, x, y, mw, mh, 0,
+                           CopyFromParent, CopyFromParent, CopyFromParent,

                            CWOverrideRedirect | CWBackPixel | CWEventMask, &swa);
                            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");

 
 

-       /* open input methods */
-       xim = XOpenIM(dpy, NULL, NULL, NULL);

        xic = XCreateIC(xim, XNInputStyle, XIMPreeditNothing | XIMStatusNothing,
                        XNClientWindow, win, XNFocusWindow, win, NULL);
 
        XMapRaised(dpy, win);
        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();
 }
        drw_resize(drw, mw, mh);
        drawmenu();
 }


@@ -600,14 +739,15 @@ setup(void)
 static void
 usage(void)
 {
 static void
 usage(void)
 {

-       fputs("usage: dmenu [-b] [-f] [-i] [-l lines] [-p prompt] [-fn font] [-m monitor]\n"
-             "             [-nb color] [-nf color] [-sb color] [-sf color] [-v]\n", stderr);
+       fputs("usage: dmenu [-bfiv] [-l lines] [-p prompt] [-fn font] [-m monitor]\n"
+             "             [-nb color] [-nf color] [-sb color] [-sf color] [-w windowid]\n", stderr);

        exit(1);
 }
 
 int
 main(int argc, char *argv[])
 {
        exit(1);
 }
 
 int
 main(int argc, char *argv[])
 {

+       XWindowAttributes wa;

        int i, fast = 0;
 
        for (i = 1; i < argc; i++)
        int i, fast = 0;
 
        for (i = 1; i < argc; i++)


@@ -619,6 +759,8 @@ main(int argc, char *argv[])
                        topbar = 0;
                else if (!strcmp(argv[i], "-f"))   /* grabs keyboard before reading stdin */
                        fast = 1;
                        topbar = 0;
                else if (!strcmp(argv[i], "-f"))   /* grabs keyboard before reading stdin */
                        fast = 1;

+               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;
                else if (!strcmp(argv[i], "-i")) { /* case-insensitive item matching */
                        fstrncmp = strncasecmp;
                        fstrstr = cistrstr;


@@ -641,6 +783,8 @@ main(int argc, char *argv[])
                        colors[SchemeSel][ColBg] = argv[++i];
                else if (!strcmp(argv[i], "-sf"))  /* selected foreground color */
                        colors[SchemeSel][ColFg] = argv[++i];
                        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();
 
                else
                        usage();
 


@@ -650,14 +794,22 @@ main(int argc, char *argv[])
                die("cannot open display");
        screen = DefaultScreen(dpy);
        root = RootWindow(dpy, screen);
                die("cannot open display");
        screen = DefaultScreen(dpy);
        root = RootWindow(dpy, screen);

-       sw = DisplayWidth(dpy, screen);
-       sh = DisplayHeight(dpy, screen);
-       drw = drw_create(dpy, screen, root, sw, sh);
+       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;
 
        if (!drw_fontset_create(drw, fonts, LENGTH(fonts)))
                die("no fonts could be loaded.");
        lrpad = drw->fonts->h;
 

-       if (fast) {
+#ifdef __OpenBSD__
+       if (pledge("stdio rpath", NULL) == -1)
+               die("pledge");
+#endif
+
+       if (fast && !isatty(0)) {

                grabkeyboard();
                readstdin();
        } else {
                grabkeyboard();
                readstdin();
        } else {