several performance tweaks

[dmenu.git] / dmenu.c

diff --git a/dmenu.c b/dmenu.c
index b684175..5191a20 100644 (file)
--- a/dmenu.c
+++ b/dmenu.c
@@ -34,140 +34,75 @@ typedef struct {
 
 typedef struct Item Item;
 struct Item {
 
 typedef struct Item Item;
 struct Item {

+       char *text;

        Item *next;             /* traverses all items */
        Item *left, *right;     /* traverses items matching current search pattern */
        Item *next;             /* traverses all items */
        Item *left, *right;     /* traverses items matching current search pattern */

-       char *text;

 };
 
 /* forward declarations */
 };
 
 /* forward declarations */

-static void *emalloc(unsigned int size);
-static void eprint(const char *errstr, ...);
-static char *estrdup(const char *str);
-static void drawtext(const char *text, unsigned long col[ColLast]);
-static unsigned int textw(const char *text);
-static unsigned int textnw(const char *text, unsigned int len);
-static void calcoffsets(void);
-static void drawmenu(void);
-static Bool grabkeyboard(void);
-static unsigned long getcolor(const char *colstr);
-static void initfont(const char *fontstr);
-static int strido(const char *text, const char *pattern);
-static void match(char *pattern);
-static void kpress(XKeyEvent * e);
-static char *readstdin(void);
-static void usage(void);
-
-
-/* variables */
-static int screen;
-static Display *dpy;
-static DC dc = {0};
-static char text[4096];
-static char *prompt = NULL;
-static int mw, mh;
-static int ret = 0;
-static int nitem = 0;
-static unsigned int cmdw = 0;
-static unsigned int promptw = 0;
-static unsigned int numlockmask = 0;
-static Bool running = True;
-static Item *allitems = NULL;  /* first of all items */
-static Item *item = NULL;      /* first of pattern matching items */
-static Item *sel = NULL;
-static Item *next = NULL;
-static Item *prev = NULL;
-static Item *curr = NULL;
-static Window root;
-static Window win;
+void appenditem(Item *i, Item **list, Item **last);
+void calcoffsets(void);
+char *cistrstr(const char *s, const char *sub);
+void cleanup(void);
+void drawmenu(void);
+void drawtext(const char *text, unsigned long col[ColLast]);
+void *emalloc(unsigned int size);
+void eprint(const char *errstr, ...);
+char *estrdup(const char *str);
+unsigned long getcolor(const char *colstr);
+Bool grabkeyboard(void);
+void initfont(const char *fontstr);
+void kpress(XKeyEvent * e);
+void match(char *pattern);
+void readstdin(void);
+void run(void);
+void setup(int x, int y, int w);
+unsigned int textnw(const char *text, unsigned int len);
+unsigned int textw(const char *text);

 
 #include "config.h"
 
 
 #include "config.h"
 

-static void *
-emalloc(unsigned int size) {
-       void *res = malloc(size);
-
-       if(!res)
-               eprint("fatal: could not malloc() %u bytes\n", size);
-       return res;
-}
-
-static void
-eprint(const char *errstr, ...) {
-       va_list ap;
-
-       va_start(ap, errstr);
-       vfprintf(stderr, errstr, ap);
-       va_end(ap);
-       exit(EXIT_FAILURE);
-}
-
-static char *
-estrdup(const char *str) {
-       void *res = strdup(str);
-
-       if(!res)
-               eprint("fatal: could not malloc() %u bytes\n", strlen(str));
-       return res;
-}
-
-
-static void
-drawtext(const char *text, unsigned long col[ColLast]) {
-       int x, y, w, h;
-       static char buf[256];
-       unsigned int len, olen;
-       XRectangle r = { dc.x, dc.y, dc.w, dc.h };
-
-       XSetForeground(dpy, dc.gc, col[ColBG]);
-       XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1);
-       if(!text)
-               return;
-       w = 0;
-       olen = len = strlen(text);
-       if(len >= sizeof buf)
-               len = sizeof buf - 1;
-       memcpy(buf, text, len);
-       buf[len] = 0;
-       h = dc.font.ascent + dc.font.descent;
-       y = dc.y + (dc.h / 2) - (h / 2) + dc.font.ascent;
-       x = dc.x + (h / 2);
-       /* shorten text if necessary */
-       while(len && (w = textnw(buf, len)) > dc.w - h)
-               buf[--len] = 0;
-       if(len < olen) {
-               if(len > 1)
-                       buf[len - 1] = '.';
-               if(len > 2)
-                       buf[len - 2] = '.';
-               if(len > 3)
-                       buf[len - 3] = '.';
-       }
-       if(w > dc.w)
-               return; /* too long */
-       XSetForeground(dpy, dc.gc, col[ColFG]);
-       if(dc.font.set)
-               XmbDrawString(dpy, dc.drawable, dc.font.set, dc.gc, x, y, buf, len);
+/* variables */
+char *font = FONT;
+char *maxname = NULL;
+char *normbg = NORMBGCOLOR;
+char *normfg = NORMFGCOLOR;
+char *prompt = NULL;
+char *selbg = SELBGCOLOR;
+char *selfg = SELFGCOLOR;
+char text[4096];
+int screen;
+int ret = 0;
+unsigned int cmdw = 0;
+unsigned int mw, mh;
+unsigned int promptw = 0;
+unsigned int nitem = 0;
+unsigned int numlockmask = 0;
+Bool running = True;
+Display *dpy;
+DC dc = {0};
+Item *allitems = NULL; /* first of all items */
+Item *item = NULL;     /* first of pattern matching items */
+Item *sel = NULL;
+Item *next = NULL;
+Item *prev = NULL;
+Item *curr = NULL;
+Window root, win;
+int (*fstrncmp)(const char *, const char *, size_t n) = strncmp;
+char *(*fstrstr)(const char *, const char *) = strstr;
+
+void
+appenditem(Item *i, Item **list, Item **last) {
+       if(!(*last))
+               *list = i;

        else
        else

-               XDrawString(dpy, dc.drawable, dc.gc, x, y, buf, len);
+               (*last)->right = i;
+       i->left = *last;
+       i->right = NULL;
+       *last = i;

 }
 
 }
 

-static unsigned int
-textw(const char *text) {
-       return textnw(text, strlen(text)) + dc.font.height;
-}
-
-static unsigned int
-textnw(const char *text, unsigned int len) {
-       XRectangle r;
-
-       if(dc.font.set) {
-               XmbTextExtents(dc.font.set, text, len, NULL, &r);
-               return r.width;
-       }
-       return XTextWidth(dc.font.xfont, text, len);
-}
-
-static void
+void

 calcoffsets(void) {
        unsigned int tw, w;
 
 calcoffsets(void) {
        unsigned int tw, w;
 


@@ -193,7 +128,50 @@ calcoffsets(void) {
        }
 }
 
        }
 }
 

-static void
+char *
+cistrstr(const char *s, const char *sub) {
+       int c, csub;
+       unsigned int len;
+
+       if(!sub)
+               return (char *)s;
+       if((c = *sub++) != 0) {
+               c = tolower(c);
+               len = strlen(sub);
+               do {
+                       do {
+                               if((csub = *s++) == 0)
+                                       return (NULL);
+                       }
+                       while(tolower(csub) != c);
+               }
+               while(strncasecmp(s, sub, len) != 0);
+               s--;
+       }
+       return (char *)s;
+}
+
+void
+cleanup(void) {
+       Item *itm;
+
+       while(allitems) {
+               itm = allitems->next;
+               free(allitems->text);
+               free(allitems);
+               allitems = itm;
+       }
+       if(dc.font.set)
+               XFreeFontSet(dpy, dc.font.set);
+       else
+               XFreeFont(dpy, dc.font.xfont);
+       XFreePixmap(dpy, dc.drawable);
+       XFreeGC(dpy, dc.gc);
+       XDestroyWindow(dpy, win);
+       XUngrabKeyboard(dpy, CurrentTime);
+}
+
+void

 drawmenu(void) {
        Item *i;
 
 drawmenu(void) {
        Item *i;
 


@@ -234,20 +212,75 @@ drawmenu(void) {
        XFlush(dpy);
 }
 
        XFlush(dpy);
 }
 

-static Bool
-grabkeyboard(void) {
-       unsigned int len;
+void
+drawtext(const char *text, unsigned long col[ColLast]) {
+       int x, y, w, h;
+       static char buf[256];
+       unsigned int len, olen;
+       XRectangle r = { dc.x, dc.y, dc.w, dc.h };

 
 

-       for(len = 1000; len; len--) {
-               if(XGrabKeyboard(dpy, root, True, GrabModeAsync, GrabModeAsync, CurrentTime)
-                       == GrabSuccess)
-                       break;
-               usleep(1000);
+       XSetForeground(dpy, dc.gc, col[ColBG]);
+       XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1);
+       if(!text)
+               return;
+       w = 0;
+       olen = len = strlen(text);
+       if(len >= sizeof buf)
+               len = sizeof buf - 1;
+       memcpy(buf, text, len);
+       buf[len] = 0;
+       h = dc.font.ascent + dc.font.descent;
+       y = dc.y + (dc.h / 2) - (h / 2) + dc.font.ascent;
+       x = dc.x + (h / 2);
+       /* shorten text if necessary */
+       while(len && (w = textnw(buf, len)) > dc.w - h)
+               buf[--len] = 0;
+       if(len < olen) {
+               if(len > 1)
+                       buf[len - 1] = '.';
+               if(len > 2)
+                       buf[len - 2] = '.';
+               if(len > 3)
+                       buf[len - 3] = '.';

        }
        }

-       return len > 0;
+       if(w > dc.w)
+               return; /* too long */
+       XSetForeground(dpy, dc.gc, col[ColFG]);
+       if(dc.font.set)
+               XmbDrawString(dpy, dc.drawable, dc.font.set, dc.gc, x, y, buf, len);
+       else
+               XDrawString(dpy, dc.drawable, dc.gc, x, y, buf, len);
+}
+
+void *
+emalloc(unsigned int size) {
+       void *res = malloc(size);
+
+       if(!res)
+               eprint("fatal: could not malloc() %u bytes\n", size);
+       return res;

 }
 
 }
 

-static unsigned long
+void
+eprint(const char *errstr, ...) {
+       va_list ap;
+
+       va_start(ap, errstr);
+       vfprintf(stderr, errstr, ap);
+       va_end(ap);
+       exit(EXIT_FAILURE);
+}
+
+char *
+estrdup(const char *str) {
+       void *res = strdup(str);
+
+       if(!res)
+               eprint("fatal: could not malloc() %u bytes\n", strlen(str));
+       return res;
+}
+
+unsigned long

 getcolor(const char *colstr) {
        Colormap cmap = DefaultColormap(dpy, screen);
        XColor color;
 getcolor(const char *colstr) {
        Colormap cmap = DefaultColormap(dpy, screen);
        XColor color;


@@ -257,7 +290,20 @@ getcolor(const char *colstr) {
        return color.pixel;
 }
 
        return color.pixel;
 }
 

-static void
+Bool
+grabkeyboard(void) {
+       unsigned int len;
+
+       for(len = 1000; len; len--) {
+               if(XGrabKeyboard(dpy, root, True, GrabModeAsync, GrabModeAsync, CurrentTime)
+                       == GrabSuccess)
+                       break;
+               usleep(1000);
+       }
+       return len > 0;
+}
+
+void

 initfont(const char *fontstr) {
        char *def, **missing;
        int i, n;
 initfont(const char *fontstr) {
        char *def, **missing;
        int i, n;


@@ -289,75 +335,16 @@ initfont(const char *fontstr) {
                if(dc.font.xfont)
                        XFreeFont(dpy, dc.font.xfont);
                dc.font.xfont = NULL;
                if(dc.font.xfont)
                        XFreeFont(dpy, dc.font.xfont);
                dc.font.xfont = NULL;

-               if(!(dc.font.xfont = XLoadQueryFont(dpy, fontstr))) {
-                       if(!(dc.font.xfont = XLoadQueryFont(dpy, "fixed")))
-                               eprint("error, cannot load font: '%s'\n", fontstr);
-               }
+               if(!(dc.font.xfont = XLoadQueryFont(dpy, fontstr))
+               && !(dc.font.xfont = XLoadQueryFont(dpy, "fixed")))
+                       eprint("error, cannot load font: '%s'\n", fontstr);

                dc.font.ascent = dc.font.xfont->ascent;
                dc.font.descent = dc.font.xfont->descent;
        }
        dc.font.height = dc.font.ascent + dc.font.descent;
 }
 
                dc.font.ascent = dc.font.xfont->ascent;
                dc.font.descent = dc.font.xfont->descent;
        }
        dc.font.height = dc.font.ascent + dc.font.descent;
 }
 

-static int
-strido(const char *text, const char *pattern) {
-       for(; *text && *pattern; text++)
-               if (*text == *pattern)
-                       pattern++;
-       return !*pattern;
-}                                  
-
-static void
-match(char *pattern) {
-       unsigned int plen;
-       Item *i, *j;
-
-       if(!pattern)
-               return;
-       plen = strlen(pattern);
-       item = j = NULL;
-       nitem = 0;
-       for(i = allitems; i; i=i->next)
-               if(!plen || !strncmp(pattern, i->text, plen)) {
-                       if(!j)
-                               item = i;
-                       else
-                               j->right = i;
-                       i->left = j;
-                       i->right = NULL;
-                       j = i;
-                       nitem++;
-               }
-       for(i = allitems; i; i=i->next)
-               if(plen && strncmp(pattern, i->text, plen)
-                               && strstr(i->text, pattern)) {
-                       if(!j)                               
-                               item = i;                              
-                       else                                     
-                               j->right = i;                          
-                       i->left = j;      
-                       i->right = NULL;                         
-                       j = i;                                      
-                       nitem++;                                       
-               }                                              
-       for(i = allitems; i; i=i->next)                            
-               if(plen && strncmp(pattern, i->text, plen)             
-                               && !strstr(i->text, pattern)          
-                               && strido(i->text,pattern)) { 
-                       if(!j)
-                               item = i;
-                       else
-                               j->right = i;
-                       i->left = j;
-                       i->right = NULL;
-                       j = i;
-                       nitem++;
-               }
-       curr = prev = next = sel = item;
-       calcoffsets();
-}
-
-static void
+void

 kpress(XKeyEvent * e) {
        char buf[32];
        int i, num;
 kpress(XKeyEvent * e) {
        char buf[32];
        int i, num;


@@ -528,9 +515,56 @@ kpress(XKeyEvent * e) {
        drawmenu();
 }
 
        drawmenu();
 }
 

-static char *
+void
+match(char *pattern) {
+       unsigned int plen;
+       Item *i, *itemend, *lexact, *lprefix, *lsubstr, *exactend, *prefixend, *substrend;
+
+       if(!pattern)
+               return;
+       plen = strlen(pattern);
+       item = lexact = lprefix = lsubstr = itemend = exactend = prefixend = substrend = NULL;
+       nitem = 0;
+       for(i = allitems; i; i = i->next)
+               if(!fstrncmp(pattern, i->text, plen + 1)) {
+                       appenditem(i, &lexact, &exactend);
+                       nitem++;
+               }
+               else if(!fstrncmp(pattern, i->text, plen)) {
+                       appenditem(i, &lprefix, &prefixend);
+                       nitem++;
+               }
+               else if(fstrstr(i->text, pattern)) {
+                       appenditem(i, &lsubstr, &substrend);
+                       nitem++;
+               }
+       if(lexact) {
+               item = lexact;
+               itemend = exactend;
+       }
+       if(lprefix) {
+               if(itemend) {
+                       itemend->right - lprefix;
+                       lprefix->left = itemend;
+               }
+               else
+                       item = lprefix;
+               itemend = prefixend;
+       }
+       if(lsubstr) {
+               if(itemend) {
+                       itemend->right = lsubstr;
+                       lsubstr->left = itemend;
+               }
+               else
+                       item = lsubstr;
+       }
+       curr = prev = next = sel = item;
+       calcoffsets();
+}
+
+void

 readstdin(void) {
 readstdin(void) {

-       static char *maxname = NULL;

        char *p, buf[1024];
        unsigned int len = 0, max = 0;
        Item *i, *new;
        char *p, buf[1024];
        unsigned int len = 0, max = 0;
        Item *i, *new;


@@ -554,99 +588,67 @@ readstdin(void) {
                        i->next = new;
                i = new;
        }
                        i->next = new;
                i = new;
        }

-
-       return maxname;

 }
 
 }
 

-static void
-usage(void) {
-       eprint("usage: dmenu [-b] [-fn <font>] [-nb <color>] [-nf <color>]\n"
-               "             [-p <prompt>] [-sb <color>] [-sf <color>] [-v]\n");
+void
+run(void) {
+       XEvent ev;
+
+       /* main event loop */
+       while(running && !XNextEvent(dpy, &ev))
+               switch (ev.type) {
+               default:        /* ignore all crap */
+                       break;
+               case KeyPress:
+                       kpress(&ev.xkey);
+                       break;
+               case Expose:
+                       if(ev.xexpose.count == 0)
+                               drawmenu();
+                       break;
+               }

 }
 
 }
 

-int
-main(int argc, char *argv[]) {
-       Bool bottom = False;
-       char *font = FONT;
-       char *maxname;
-       char *normbg = NORMBGCOLOR;
-       char *normfg = NORMFGCOLOR;
-       char *selbg = SELBGCOLOR;
-       char *selfg = SELFGCOLOR;
-       int i, j;
-       Item *itm;
-       XEvent ev;
+void
+setup(int x, int y, int w) {
+       unsigned int i, j;

        XModifierKeymap *modmap;
        XSetWindowAttributes wa;
 
        XModifierKeymap *modmap;
        XSetWindowAttributes wa;
 

-       /* command line args */
-       for(i = 1; i < argc; i++)
-               if(!strcmp(argv[i], "-b")) {
-                       bottom = True;
-               }
-               else if(!strcmp(argv[i], "-fn")) {
-                       if(++i < argc) font = argv[i];
-               }
-               else if(!strcmp(argv[i], "-nb")) {
-                       if(++i < argc) normbg = argv[i];
-               }
-               else if(!strcmp(argv[i], "-nf")) {
-                       if(++i < argc) normfg = argv[i];
-               }
-               else if(!strcmp(argv[i], "-p")) {
-                       if(++i < argc) prompt = argv[i];
-               }
-               else if(!strcmp(argv[i], "-sb")) {
-                       if(++i < argc) selbg = argv[i];
-               }
-               else if(!strcmp(argv[i], "-sf")) {
-                       if(++i < argc) selfg = argv[i];
-               }
-               else if(!strcmp(argv[i], "-v"))
-                       eprint("dmenu-"VERSION", © 2006-2007 Anselm R. Garbe, Sander van Dijk\n");
-               else
-                       usage();
-       setlocale(LC_CTYPE, "");
-       dpy = XOpenDisplay(0);
-       if(!dpy)
-               eprint("dmenu: cannot open display\n");
-       screen = DefaultScreen(dpy);
-       root = RootWindow(dpy, screen);
-       if(isatty(STDIN_FILENO)) {
-               maxname = readstdin();
-               running = grabkeyboard();
-       }
-       else { /* prevent keypress loss */
-               running = grabkeyboard();
-               maxname = readstdin();
-       }

        /* init modifier map */
        modmap = XGetModifierMapping(dpy);
        /* init modifier map */
        modmap = XGetModifierMapping(dpy);

-       for (i = 0; i < 8; i++) {
-               for (j = 0; j < modmap->max_keypermod; j++) {
+       for(i = 0; i < 8; i++)
+               for(j = 0; j < modmap->max_keypermod; j++) {

                        if(modmap->modifiermap[i * modmap->max_keypermod + j]
                        == XKeysymToKeycode(dpy, XK_Num_Lock))
                                numlockmask = (1 << i);
                }
                        if(modmap->modifiermap[i * modmap->max_keypermod + j]
                        == XKeysymToKeycode(dpy, XK_Num_Lock))
                                numlockmask = (1 << i);
                }

-       }

        XFreeModifiermap(modmap);
        XFreeModifiermap(modmap);

+

        /* style */
        dc.norm[ColBG] = getcolor(normbg);
        dc.norm[ColFG] = getcolor(normfg);
        dc.sel[ColBG] = getcolor(selbg);
        dc.sel[ColFG] = getcolor(selfg);
        initfont(font);
        /* style */
        dc.norm[ColBG] = getcolor(normbg);
        dc.norm[ColFG] = getcolor(normfg);
        dc.sel[ColBG] = getcolor(selbg);
        dc.sel[ColFG] = getcolor(selfg);
        initfont(font);

+

        /* menu window */
        wa.override_redirect = 1;
        wa.background_pixmap = ParentRelative;
        wa.event_mask = ExposureMask | ButtonPressMask | KeyPressMask;
        /* menu window */
        wa.override_redirect = 1;
        wa.background_pixmap = ParentRelative;
        wa.event_mask = ExposureMask | ButtonPressMask | KeyPressMask;

-       mw = DisplayWidth(dpy, screen);
+       mw = w ? w : DisplayWidth(dpy, screen);

        mh = dc.font.height + 2;
        mh = dc.font.height + 2;

-       win = XCreateWindow(dpy, root, 0,
-                       bottom ? DisplayHeight(dpy, screen) - mh : 0, mw, mh, 0,
+       if(y < 0) {
+               if(y == (int)(unsigned int)-1)
+                       y = DisplayHeight(dpy, screen) - mh;
+               else
+                       y = (-1 * y) - mh;
+       }
+       win = XCreateWindow(dpy, root, x, y, mw, mh, 0,

                        DefaultDepth(dpy, screen), CopyFromParent,
                        DefaultVisual(dpy, screen),
                        CWOverrideRedirect | CWBackPixmap | CWEventMask, &wa);
                        DefaultDepth(dpy, screen), CopyFromParent,
                        DefaultVisual(dpy, screen),
                        CWOverrideRedirect | CWBackPixmap | CWEventMask, &wa);

+

        /* pixmap */
        dc.drawable = XCreatePixmap(dpy, root, mw, mh, DefaultDepth(dpy, screen));
        dc.gc = XCreateGC(dpy, root, 0, 0);
        /* pixmap */
        dc.drawable = XCreatePixmap(dpy, root, mw, mh, DefaultDepth(dpy, screen));
        dc.gc = XCreateGC(dpy, root, 0, 0);


@@ -664,38 +666,94 @@ main(int argc, char *argv[]) {
        text[0] = 0;
        match(text);
        XMapRaised(dpy, win);
        text[0] = 0;
        match(text);
        XMapRaised(dpy, win);

-       drawmenu();
-       XSync(dpy, False);
+}

 
 

-       /* main event loop */
-       while(running && !XNextEvent(dpy, &ev))
-               switch (ev.type) {
-               default:        /* ignore all crap */
-                       break;
-               case KeyPress:
-                       kpress(&ev.xkey);
-                       break;
-               case Expose:
-                       if(ev.xexpose.count == 0)
-                               drawmenu();
-                       break;
+unsigned int
+textnw(const char *text, unsigned int len) {
+       XRectangle r;
+
+       if(dc.font.set) {
+               XmbTextExtents(dc.font.set, text, len, NULL, &r);
+               return r.width;
+       }
+       return XTextWidth(dc.font.xfont, text, len);
+}
+
+unsigned int
+textw(const char *text) {
+       return textnw(text, strlen(text)) + dc.font.height;
+}
+
+int
+main(int argc, char *argv[]) {
+       int x = 0, y = 0, w = 0;
+       unsigned int i;
+
+       /* command line args */
+       for(i = 1; i < argc; i++)
+               if(!strcmp(argv[i], "-i")) {
+                       fstrncmp = strncasecmp;
+                       fstrstr = cistrstr;
+               }
+               else if(!strcmp(argv[i], "-fn")) {
+                       if(++i < argc) font = argv[i];
+               }
+               else if(!strcmp(argv[i], "-nb")) {
+                       if(++i < argc) normbg = argv[i];
+               }
+               else if(!strcmp(argv[i], "-nf")) {
+                       if(++i < argc) normfg = argv[i];
+               }
+               else if(!strcmp(argv[i], "-p")) {
+                       if(++i < argc) prompt = argv[i];
+               }
+               else if(!strcmp(argv[i], "-sb")) {
+                       if(++i < argc) selbg = argv[i];
+               }
+               else if(!strcmp(argv[i], "-sf")) {
+                       if(++i < argc) selfg = argv[i];
+               }
+               else if(!strcmp(argv[i], "-x")) {
+                       if(++i < argc) x = atoi(argv[i]);
+               }
+               else if(!strcmp(argv[i], "-y")) {
+                       if(++i < argc) {
+                               if(!strcmp(argv[i], "-0"))
+                                       y = (int)(unsigned int)-1;
+                               else
+                                       y = atoi(argv[i]);
+                       }
+               }
+               else if(!strcmp(argv[i], "-w")) {
+                       if(++i < argc) w = atoi(argv[i]);

                }
                }

+               else if(!strcmp(argv[i], "-v"))
+                       eprint("dmenu-"VERSION", © 2006-2008 dmenu engineers, see LICENSE for details\n");
+               else
+                       eprint("usage: dmenu [-i] [-fn <font>] [-nb <color>] [-nf <color>]\n"
+                              "             [-p <prompt>] [-sb <color>] [-sf <color>]\n"
+                              "             [-x <x>] [-y <y>] [-w <w>] [-v]\n");
+       setlocale(LC_CTYPE, "");
+       dpy = XOpenDisplay(0);
+       if(!dpy)
+               eprint("dmenu: cannot open display\n");
+       screen = DefaultScreen(dpy);
+       root = RootWindow(dpy, screen);

 
 

-       /* cleanup */
-       while(allitems) {
-               itm = allitems->next;
-               free(allitems->text);
-               free(allitems);
-               allitems = itm;
+       if(isatty(STDIN_FILENO)) {
+               readstdin();
+               running = grabkeyboard();

        }
        }

-       if(dc.font.set)
-               XFreeFontSet(dpy, dc.font.set);
-       else
-               XFreeFont(dpy, dc.font.xfont);
-       XFreePixmap(dpy, dc.drawable);
-       XFreeGC(dpy, dc.gc);
-       XDestroyWindow(dpy, win);
-       XUngrabKeyboard(dpy, CurrentTime);
+       else { /* prevent keypress loss */
+               running = grabkeyboard();
+               readstdin();
+       }
+
+       setup(x, y, w);
+       drawmenu();
+       XSync(dpy, False);
+       run();
+       cleanup();

        XCloseDisplay(dpy);
        return ret;
 }
        XCloseDisplay(dpy);
        return ret;
 }