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updated manpage, added paste, cleaned up, new libdraw
[dmenu.git] / dmenu.c
diff --git a/dmenu.c b/dmenu.c
index 2c1867c..12902ac 100644 (file)
--- a/dmenu.c
+++ b/dmenu.c
@@ -6,61 +6,81 @@
 #include <string.h>
 #include <unistd.h>
 #include <X11/keysym.h>
 #include <string.h>
 #include <unistd.h>
 #include <X11/keysym.h>
+#include <X11/Xatom.h>
 #include <X11/Xlib.h>
 #include <X11/Xutil.h>
 #include <X11/Xlib.h>
 #include <X11/Xutil.h>
-#include "dmenu.h"
+#ifdef XINERAMA
+#include <X11/extensions/Xinerama.h>
+#endif
+#include <draw.h>
+#include "config.h"
+
+#define INRECT(x,y,rx,ry,rw,rh) ((x) >= (rx) && (x) < (rx)+(rw) && (y) >= (ry) && (y) < (ry)+(rh))
+#define MIN(a,b)                ((a) < (b) ? (a) : (b))
+#define MAX(a,b)                ((a) > (b) ? (a) : (b))
+#define UTF8_CODEPOINT(c)       (((c) & 0xc0) != 0x80)
 
 typedef struct Item Item;
 struct Item {
        char *text;
 
 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 matching items */
 };
 
 };
 
-/* forward declarations */
-static void appenditem(Item *i, Item **list, Item **last);
+static void appenditem(Item *item, Item **list, Item **last);
 static void calcoffsetsh(void);
 static void calcoffsetsv(void);
 static char *cistrstr(const char *s, const char *sub);
 static void calcoffsetsh(void);
 static void calcoffsetsv(void);
 static char *cistrstr(const char *s, const char *sub);
-static void cleanup(void);
-static void dinput(void);
-static void drawitem(char *s, unsigned long col[ColLast]);
+static void drawmenu(void);
 static void drawmenuh(void);
 static void drawmenuv(void);
 static void drawmenuh(void);
 static void drawmenuv(void);
+static void grabkeyboard(void);
+static void insert(const char *s, ssize_t n);
+static void keypress(XKeyEvent *e);
 static void match(void);
 static void match(void);
+static void paste(Atom atom);
 static void readstdin(void);
 static void readstdin(void);
+static void run(void);
+static void setup(void);
+static void usage(void);
 
 
-/* variables */
-static char **argp = NULL;
-static char *maxname = NULL;
-static unsigned int cmdw = 0;
+static char *prompt;
+static char text[4096];
+static int screen;
+static size_t cursor = 0;
+static unsigned int inputw = 0;
 static unsigned int lines = 0;
 static unsigned int lines = 0;
-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 unsigned int mw, mh;
+static unsigned int promptw = 0;
+static unsigned long normcol[ColLast];
+static unsigned long selcol[ColLast];
+static Atom utf8;
+static Bool topbar = True;
+static DC dc;
+static Item *allitems, *matches;
+static Item *curr, *prev, *next, *sel;
+static Window root, win;
+
 static int (*fstrncmp)(const char *, const char *, size_t) = strncmp;
 static char *(*fstrstr)(const char *, const char *) = strstr;
 static void (*calcoffsets)(void) = calcoffsetsh;
 
 void
 static int (*fstrncmp)(const char *, const char *, size_t) = strncmp;
 static char *(*fstrstr)(const char *, const char *) = strstr;
 static void (*calcoffsets)(void) = calcoffsetsh;
 
 void
-appenditem(Item *i, Item **list, Item **last) {
+appenditem(Item *item, Item **list, Item **last) {
        if(!(*last))
        if(!(*last))
-               *list = i;
+               *list = item;
        else
        else
-               (*last)->right = i;
-       i->left = *last;
-       i->right = NULL;
-       *last = i;
+               (*last)->right = item;
+       item->left = *last;
+       item->right = NULL;
+       *last = item;
 }
 
 void
 calcoffsetsh(void) {
        unsigned int w, x;
 
 }
 
 void
 calcoffsetsh(void) {
        unsigned int w, x;
 
-       w = promptw + cmdw + textw(&dc, "<") + textw(&dc, ">");
+       w = promptw + inputw + textw(&dc, "<") + textw(&dc, ">");
        for(x = w, next = curr; next; next = next->right)
                if((x += MIN(textw(&dc, next->text), mw / 3)) > mw)
                        break;
        for(x = w, next = curr; next; next = next->right)
                if((x += MIN(textw(&dc, next->text), mw / 3)) > mw)
                        break;
@@ -104,32 +124,7 @@ cistrstr(const char *s, const char *sub) {
 }
 
 void
 }
 
 void
-cleanup(void) {
-       Item *itm;
-
-       while(allitems) {
-               itm = allitems->next;
-               free(allitems->text);
-               free(allitems);
-               allitems = itm;
-       }
-       cleanupdraw(&dc);
-       XDestroyWindow(dpy, win);
-       XUngrabKeyboard(dpy, CurrentTime);
-       XCloseDisplay(dpy);
-}
-
-void
-dinput(void) {
-       cleanup();
-       argp[0] = "dinput";
-       argp[1] = text;
-       execvp("dinput", argp);
-       eprint("cannot exec dinput\n");
-}
-
-void
-drawbar(void) {
+drawmenu(void) {
        dc.x = 0;
        dc.y = 0;
        dc.w = mw;
        dc.x = 0;
        dc.y = 0;
        dc.w = mw;
@@ -140,79 +135,94 @@ drawbar(void) {
        /* print prompt? */
        if(prompt) {
                dc.w = promptw;
        /* print prompt? */
        if(prompt) {
                dc.w = promptw;
+               drawbox(&dc, selcol);
                drawtext(&dc, prompt, selcol);
                dc.x += dc.w;
        }
        dc.w = mw - dc.x;
                drawtext(&dc, prompt, selcol);
                dc.x += dc.w;
        }
        dc.w = mw - dc.x;
-       /* print command */
-       if(cmdw && item && lines == 0)
-               dc.w = cmdw;
+       /* print input area */
+       if(matches && lines == 0 && textw(&dc, text) <= inputw)
+               dc.w = inputw;
        drawtext(&dc, text, normcol);
        drawtext(&dc, text, normcol);
+       drawline(&dc, textnw(&dc, text, cursor) + dc.h/2 - 2, 2, 1, dc.h-4, normcol);
        if(lines > 0)
                drawmenuv();
        if(lines > 0)
                drawmenuv();
-       else if(curr)
+       else if(curr && (dc.w == inputw || curr->next))
                drawmenuh();
        commitdraw(&dc, win);
 }
 
                drawmenuh();
        commitdraw(&dc, win);
 }
 
-void
-drawitem(char *s, unsigned long col[ColLast]) {
-       drawbox(&dc, col);
-       drawtext(&dc, s, col);
-}
-
 void
 drawmenuh(void) {
 void
 drawmenuh(void) {
-       Item *i;
+       Item *item;
 
 
-       dc.x += cmdw;
+       dc.x += inputw;
        dc.w = textw(&dc, "<");
        dc.w = textw(&dc, "<");
-       drawtext(&dc, curr->left ? "<" : NULL, normcol);
+       if(curr->left)
+               drawtext(&dc, "<", normcol);
        dc.x += dc.w;
        dc.x += dc.w;
-       for(i = curr; i != next; i = i->right) {
-               dc.w = MIN(textw(&dc, i->text), mw / 3);
-               drawitem(i->text, (sel == i) ? selcol : normcol);
+       for(item = curr; item != next; item = item->right) {
+               dc.w = MIN(textw(&dc, item->text), mw / 3);
+               if(item == sel)
+                       drawbox(&dc, selcol);
+               drawtext(&dc, item->text, (item == sel) ? selcol : normcol);
                dc.x += dc.w;
        }
        dc.w = textw(&dc, ">");
        dc.x = mw - dc.w;
                dc.x += dc.w;
        }
        dc.w = textw(&dc, ">");
        dc.x = mw - dc.w;
-       drawtext(&dc, next ? ">" : NULL, normcol);
+       if(next)
+               drawtext(&dc, ">", normcol);
 }
 
 void
 drawmenuv(void) {
 }
 
 void
 drawmenuv(void) {
-       Item *i;
+       Item *item;
        XWindowAttributes wa;
 
        dc.y = topbar ? dc.h : 0;
        dc.w = mw - dc.x;
        XWindowAttributes wa;
 
        dc.y = topbar ? dc.h : 0;
        dc.w = mw - dc.x;
-       for(i = curr; i != next; i = i->right) {
-               drawitem(i->text, (sel == i) ? selcol : normcol);
+       for(item = curr; item != next; item = item->right) {
+               if(item == sel)
+                       drawbox(&dc, selcol);
+               drawtext(&dc, item->text, (item == sel) ? selcol : normcol);
                dc.y += dc.h;
        }
                dc.y += dc.h;
        }
-       if(!XGetWindowAttributes(dpy, win, &wa))
-               eprint("cannot get window attributes");
-       XMoveResizeWindow(dpy, win, wa.x, wa.y + (topbar ? 0 : wa.height - mh), mw, mh);
+       if(!XGetWindowAttributes(dc.dpy, win, &wa))
+               eprintf("cannot get window attributes\n");
+       if(wa.height != mh)
+               XMoveResizeWindow(dc.dpy, win, wa.x, wa.y + (topbar ? 0 : wa.height - mh), mw, mh);
 }
 
 void
 }
 
 void
-kpress(XKeyEvent *e) {
+grabkeyboard(void) {
+       int i;
+
+       for(i = 0; i < 1000; i++) {
+               if(!XGrabKeyboard(dc.dpy, root, True, GrabModeAsync, GrabModeAsync, CurrentTime))
+                       return;
+               usleep(1000);
+       }
+       eprintf("cannot grab keyboard\n");
+}
+
+void
+insert(const char *s, ssize_t n) {
+       memmove(text + cursor + n, text + cursor, sizeof text - cursor - n);
+       if(n > 0)
+               memcpy(text + cursor, s, n);
+       cursor += n;
+       match();
+}
+
+void
+keypress(XKeyEvent *e) {
        char buf[sizeof text];
        char buf[sizeof text];
-       int num;
-       unsigned int i, len;
+       int n;
+       size_t len;
        KeySym ksym;
 
        len = strlen(text);
        KeySym ksym;
 
        len = strlen(text);
-       num = XLookupString(e, buf, sizeof buf, &ksym, NULL);
-       if(ksym == XK_KP_Enter)
-               ksym = XK_Return;
-       else if(ksym >= XK_KP_0 && ksym <= XK_KP_9)
-               ksym = (ksym - XK_KP_0) + XK_0;
-       else if(IsFunctionKey(ksym) || IsKeypadKey(ksym)
-       || IsMiscFunctionKey(ksym) || IsPFKey(ksym)
-       || IsPrivateKeypadKey(ksym))
-               return;
-       /* first check if a control mask is omitted */
+       XLookupString(e, buf, sizeof buf, &ksym, NULL);
        if(e->state & ControlMask) {
                switch(tolower(ksym)) {
                default:
        if(e->state & ControlMask) {
                switch(tolower(ksym)) {
                default:
@@ -242,45 +252,55 @@ kpress(XKeyEvent *e) {
                case XK_m:
                        ksym = XK_Return;
                        break;
                case XK_m:
                        ksym = XK_Return;
                        break;
+               case XK_k:  /* delete right */
+                       text[cursor] = '\0';
+                       break;
                case XK_n:
                        ksym = XK_Down;
                        break;
                case XK_p:
                        ksym = XK_Up;
                        break;
                case XK_n:
                        ksym = XK_Down;
                        break;
                case XK_p:
                        ksym = XK_Up;
                        break;
-               case XK_u:
-                       text[0] = '\0';
-                       match();
+               case XK_u:  /* delete left */
+                       insert(NULL, -cursor);
                        break;
                        break;
-               case XK_w:
-                       if(len == 0)
+               case XK_w:  /* delete word */
+                       if(cursor == 0)
                                return;
                                return;
-                       i = len;
-                       while(i-- > 0 && text[i] == ' ');
-                       while(i-- > 0 && text[i] != ' ');
-                       text[++i] = '\0';
-                       match();
+                       n = 0;
+                       while(cursor - n++ > 0 && text[cursor - n] == ' ');
+                       while(cursor - n++ > 0 && text[cursor - n] != ' ');
+                       insert(NULL, -(--n));
                        break;
                        break;
+               case XK_y:  /* paste selection */
+                       XConvertSelection(dc.dpy, XA_PRIMARY, utf8, None, win, CurrentTime);
+                       /* causes SelectionNotify event */
+                       return;
                }
        }
        switch(ksym) {
        default:
                }
        }
        switch(ksym) {
        default:
-               num = MIN(num, sizeof text);
-               if(num && !iscntrl((int) buf[0])) {
-                       memcpy(text + len, buf, num + 1);
-                       len += num;
-                       match();
-               }
+               if(!iscntrl((int)*buf))
+                       insert(buf, MIN(strlen(buf), sizeof text - cursor));
                break;
        case XK_BackSpace:
                break;
        case XK_BackSpace:
-               if(len == 0)
+               if(cursor == 0)
                        return;
                        return;
-               for(i = 1; len - i > 0 && !IS_UTF8_1ST_CHAR(text[len - i]); i++);
-               len -= i;
-               text[len] = '\0';
-               match();
+               for(n = 1; cursor - n > 0 && !UTF8_CODEPOINT(text[cursor - n]); n++);
+               insert(NULL, -n);
+               break;
+       case XK_Delete:
+               if(cursor == len)
+                       return;
+               for(n = 1; cursor + n < len && !UTF8_CODEPOINT(text[cursor + n]); n++);
+               cursor += n;
+               insert(NULL, -n);
                break;
        case XK_End:
                break;
        case XK_End:
+               if(cursor < len) {
+                       cursor = len;
+                       break;
+               }
                while(next) {
                        sel = curr = next;
                        calcoffsets();
                while(next) {
                        sel = curr = next;
                        calcoffsets();
@@ -291,10 +311,20 @@ kpress(XKeyEvent *e) {
        case XK_Escape:
                exit(EXIT_FAILURE);
        case XK_Home:
        case XK_Escape:
                exit(EXIT_FAILURE);
        case XK_Home:
-               sel = curr = item;
+               if(sel == matches) {
+                       cursor = 0;
+                       break;
+               }
+               sel = curr = matches;
                calcoffsets();
                break;
        case XK_Left:
                calcoffsets();
                break;
        case XK_Left:
+               if(cursor > 0 && (!sel || !sel->left || lines > 0)) {
+                       while(cursor-- > 0 && !UTF8_CODEPOINT(text[cursor]));
+                       break;
+               }
+               else if(lines > 0)
+                       return;
        case XK_Up:
                if(!sel || !sel->left)
                        return;
        case XK_Up:
                if(!sel || !sel->left)
                        return;
@@ -317,12 +347,17 @@ kpress(XKeyEvent *e) {
                calcoffsets();
                break;
        case XK_Return:
                calcoffsets();
                break;
        case XK_Return:
-               if(e->state & ShiftMask)
-                       dinput();
-               fprintf(stdout, "%s", sel ? sel->text : text);
+       case XK_KP_Enter:
+               fputs(((e->state & ShiftMask) || sel) ? sel->text : text, stdout);
                fflush(stdout);
                exit(EXIT_SUCCESS);
        case XK_Right:
                fflush(stdout);
                exit(EXIT_SUCCESS);
        case XK_Right:
+               if(cursor < len) {
+                       while(cursor++ < len && !UTF8_CODEPOINT(text[cursor]));
+                       break;
+               }
+               else if(lines > 0)
+                       return;
        case XK_Down:
                if(!sel || !sel->right)
                        return;
        case XK_Down:
                if(!sel || !sel->right)
                        return;
@@ -333,30 +368,32 @@ kpress(XKeyEvent *e) {
                }
                break;
        case XK_Tab:
                }
                break;
        case XK_Tab:
-               if(sel)
-                       strncpy(text, sel->text, sizeof text);
-               dinput();
+               if(!sel)
+                       return;
+               strncpy(text, sel->text, sizeof text);
+               cursor = strlen(text);
+               match();
                break;
        }
                break;
        }
-       drawbar();
+       drawmenu();
 }
 
 void
 match(void) {
        unsigned int len;
 }
 
 void
 match(void) {
        unsigned int len;
-       Item *i, *itemend, *lexact, *lprefix, *lsubstr, *exactend, *prefixend, *substrend;
+       Item *item, *itemend, *lexact, *lprefix, *lsubstr, *exactend, *prefixend, *substrend;
 
        len = strlen(text);
 
        len = strlen(text);
-       item = lexact = lprefix = lsubstr = itemend = exactend = prefixend = substrend = NULL;
-       for(i = allitems; i; i = i->next)
-               if(!fstrncmp(text, i->text, len + 1))
-                       appenditem(i, &lexact, &exactend);
-               else if(!fstrncmp(text, i->text, len))
-                       appenditem(i, &lprefix, &prefixend);
-               else if(fstrstr(i->text, text))
-                       appenditem(i, &lsubstr, &substrend);
+       matches = lexact = lprefix = lsubstr = itemend = exactend = prefixend = substrend = NULL;
+       for(item = allitems; item; item = item->next)
+               if(!fstrncmp(text, item->text, len + 1))
+                       appenditem(item, &lexact, &exactend);
+               else if(!fstrncmp(text, item->text, len))
+                       appenditem(item, &lprefix, &prefixend);
+               else if(fstrstr(item->text, text))
+                       appenditem(item, &lsubstr, &substrend);
        if(lexact) {
        if(lexact) {
-               item = lexact;
+               matches = lexact;
                itemend = exactend;
        }
        if(lprefix) {
                itemend = exactend;
        }
        if(lprefix) {
@@ -365,7 +402,7 @@ match(void) {
                        lprefix->left = itemend;
                }
                else
                        lprefix->left = itemend;
                }
                else
-                       item = lprefix;
+                       matches = lprefix;
                itemend = prefixend;
        }
        if(lsubstr) {
                itemend = prefixend;
        }
        if(lsubstr) {
@@ -374,102 +411,190 @@ match(void) {
                        lsubstr->left = itemend;
                }
                else
                        lsubstr->left = itemend;
                }
                else
-                       item = lsubstr;
+                       matches = lsubstr;
        }
        }
-       curr = prev = next = sel = item;
+       curr = prev = next = sel = matches;
        calcoffsets();
 }
 
        calcoffsets();
 }
 
+void
+paste(Atom atom)
+{
+       char *p, *q;
+       int di;
+       unsigned long dl;
+       Atom da;
+
+       XGetWindowProperty(dc.dpy, win, atom, 0, sizeof text - cursor, True,
+                       utf8, &da, &di, &dl, &dl, (unsigned char **)&p);
+       insert(p, (q = strchr(p, '\n')) ? q-p : strlen(p));
+       XFree(p);
+       drawmenu();
+}
+
 void
 readstdin(void) {
 void
 readstdin(void) {
-       char *p, buf[sizeof text];
-       unsigned int len = 0, max = 0;
-       Item *i, *new;
+       char buf[sizeof text];
+       size_t len;
+       Item *item, *new;
 
 
-       i = NULL;
-       while(fgets(buf, sizeof buf, stdin)) {
+       allitems = NULL;
+       for(item = NULL; fgets(buf, sizeof buf, stdin); item = new) {
                len = strlen(buf);
                if(buf[len-1] == '\n')
                        buf[--len] = '\0';
                len = strlen(buf);
                if(buf[len-1] == '\n')
                        buf[--len] = '\0';
-               if(!(p = strdup(buf)))
-                       eprint("cannot strdup %u bytes\n", len);
-               if((max = MAX(max, len)) == len)
-                       maxname = p;
                if(!(new = malloc(sizeof *new)))
                if(!(new = malloc(sizeof *new)))
-                       eprint("cannot malloc %u bytes\n", sizeof *new);
+                       eprintf("cannot malloc %u bytes\n", sizeof *new);
+               if(!(new->text = strdup(buf)))
+                       eprintf("cannot strdup %u bytes\n", len);
+               inputw = MAX(inputw, textw(&dc, new->text));
                new->next = new->left = new->right = NULL;
                new->next = new->left = new->right = NULL;
-               new->text = p;
-               if(!i)
-                       allitems = new;
+               if(item)
+                       item->next = new;
                else 
                else 
-                       i->next = new;
-               i = new;
+                       allitems = new;
        }
 }
 
        }
 }
 
+void
+run(void) {
+       XEvent ev;
+
+       while(!XNextEvent(dc.dpy, &ev))
+               switch(ev.type) {
+               case Expose:
+                       if(ev.xexpose.count == 0)
+                               drawmenu();
+                       break;
+               case KeyPress:
+                       keypress(&ev.xkey);
+                       break;
+               case SelectionNotify:
+                       if(ev.xselection.property != None)
+                               paste(ev.xselection.property);
+                       break;
+               case VisibilityNotify:
+                       if(ev.xvisibility.state != VisibilityUnobscured)
+                               XRaiseWindow(dc.dpy, win);
+                       break;
+               }
+}
+
+void
+setup(void) {
+       int x, y;
+#ifdef XINERAMA
+       int i, n;
+       XineramaScreenInfo *info;
+#endif
+       XSetWindowAttributes wa;
+
+       normcol[ColBG] = getcolor(&dc, normbgcolor);
+       normcol[ColFG] = getcolor(&dc, normfgcolor);
+       selcol[ColBG] = getcolor(&dc, selbgcolor);
+       selcol[ColFG] = getcolor(&dc, selfgcolor);
+
+       /* input window geometry */
+       mh = (dc.font.height + 2) * (lines + 1);
+#ifdef XINERAMA
+       if((info = XineramaQueryScreens(dc.dpy, &n))) {
+               int di;
+               unsigned int du;
+               Window dw;
+
+               XQueryPointer(dc.dpy, root, &dw, &dw, &x, &y, &di, &di, &du);
+               for(i = 0; i < n; i++)
+                       if(INRECT(x, y, info[i].x_org, info[i].y_org, info[i].width, info[i].height))
+                               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
+       {
+               x = 0;
+               y = topbar ? 0 : DisplayHeight(dc.dpy, screen) - mh;
+               mw = DisplayWidth(dc.dpy, screen);
+       }
+
+       /* input window */
+       wa.override_redirect = True;
+       wa.background_pixmap = ParentRelative;
+       wa.event_mask = ExposureMask | KeyPressMask | VisibilityChangeMask;
+       win = XCreateWindow(dc.dpy, root, x, y, mw, mh, 0,
+                       DefaultDepth(dc.dpy, screen), CopyFromParent,
+                       DefaultVisual(dc.dpy, screen),
+                       CWOverrideRedirect | CWBackPixmap | CWEventMask, &wa);
+
+       match();
+       grabkeyboard();
+       setupdraw(&dc, win);
+       inputw = MIN(inputw, mw / 3);
+       utf8 = XInternAtom(dc.dpy, "UTF8_STRING", False);
+       XMapRaised(dc.dpy, win);
+}
+
+void
+usage(void) {
+       fputs("usage: dmenu [-b] [-i] [-l <lines>] [-p <prompt>] [-fn <font>] [-nb <color>]\n"
+                     "             [-nf <color>] [-sb <color>] [-sf <color>] [-v]\n", stderr);
+       exit(EXIT_FAILURE);
+}
+
 int
 main(int argc, char *argv[]) {
 int
 main(int argc, char *argv[]) {
-       unsigned int i;
+       int i;
 
 
-       /* command line args */
        progname = "dmenu";
        for(i = 1; i < argc; i++)
        progname = "dmenu";
        for(i = 1; i < argc; i++)
-               if(!strcmp(argv[i], "-i")) {
-                       fstrncmp = strncasecmp;
-                       fstrstr = cistrstr;
+               /* 1-arg flags */
+               if(!strcmp(argv[i], "-v")) {
+                       fputs("dmenu-"VERSION", © 2006-2010 dmenu engineers, see LICENSE for details\n", stdout);
+                       exit(EXIT_SUCCESS);
                }
                else if(!strcmp(argv[i], "-b"))
                        topbar = False;
                }
                else if(!strcmp(argv[i], "-b"))
                        topbar = False;
+               else if(!strcmp(argv[i], "-i")) {
+                       fstrncmp = strncasecmp;
+                       fstrstr = cistrstr;
+               }
+               else if(i == argc-1)
+                       usage();
+               /* 2-arg flags */
                else if(!strcmp(argv[i], "-l")) {
                else if(!strcmp(argv[i], "-l")) {
-                       if(++i < argc) lines = atoi(argv[i]);
-                       if(lines > 0)
+                       if((lines = atoi(argv[++i])) > 0)
                                calcoffsets = calcoffsetsv;
                }
                                calcoffsets = calcoffsetsv;
                }
-               else if(!strcmp(argv[i], "-fn")) {
-                       if(++i < argc) font = argv[i];
-               }
-               else if(!strcmp(argv[i], "-nb")) {
-                       if(++i < argc) normbgcolor = argv[i];
-               }
-               else if(!strcmp(argv[i], "-nf")) {
-                       if(++i < argc) normfgcolor = argv[i];
-               }
                else if(!strcmp(argv[i], "-p")) {
                else if(!strcmp(argv[i], "-p")) {
-                       if(++i < argc) prompt = argv[i];
-               }
-               else if(!strcmp(argv[i], "-sb")) {
-                       if(++i < argc) selbgcolor = argv[i];
-               }
-               else if(!strcmp(argv[i], "-sf")) {
-                       if(++i < argc) selfgcolor = argv[i];
-               }
-               else if(!strcmp(argv[i], "-v")) {
-                       printf("dmenu-"VERSION", © 2006-2010 dmenu engineers, see LICENSE for details\n");
-                       exit(EXIT_SUCCESS);
-               }
-               else {
-                       fputs("usage: dmenu [-i] [-b] [-l <lines>] [-fn <font>] [-nb <color>]\n"
-                             "             [-nf <color>] [-p <prompt>] [-sb <color>] [-sf <color>] [-v]\n", stderr);
-                       exit(EXIT_FAILURE);
+                       prompt = argv[++i];
+                       promptw = MIN(textw(&dc, prompt), mw/5);
                }
                }
+               else if(!strcmp(argv[i], "-fn"))
+                       font = argv[++i];
+               else if(!strcmp(argv[i], "-nb"))
+                       normbgcolor = argv[++i];
+               else if(!strcmp(argv[i], "-nf"))
+                       normfgcolor = argv[++i];
+               else if(!strcmp(argv[i], "-sb"))
+                       selbgcolor = argv[++i];
+               else if(!strcmp(argv[i], "-sf"))
+                       selfgcolor = argv[++i];
+               else
+                       usage();
+
        if(!setlocale(LC_CTYPE, "") || !XSupportsLocale())
        if(!setlocale(LC_CTYPE, "") || !XSupportsLocale())
-               fprintf(stderr, "dmenu: warning: no locale support\n");
-       if(!(dpy = XOpenDisplay(NULL)))
-               eprint("cannot open display\n");
-       if(atexit(&cleanup) != 0)
-               eprint("cannot register cleanup\n");
-       screen = DefaultScreen(dpy);
-       root = RootWindow(dpy, screen);
-       if(!(argp = malloc(sizeof *argp * (argc+2))))
-               eprint("cannot malloc %u bytes\n", sizeof *argp * (argc+2));
-       memcpy(argp + 2, argv + 1, sizeof *argp * argc);
+               fputs("dmenu: warning: no locale support\n", stderr);
+       if(!(dc.dpy = XOpenDisplay(NULL)))
+               eprintf("cannot open display\n");
+       screen = DefaultScreen(dc.dpy);
+       root = RootWindow(dc.dpy, screen);
+       initfont(&dc, font);
 
        readstdin();
 
        readstdin();
-       grabkeyboard();
-       setup(lines);
-       if(maxname)
-               cmdw = MIN(textw(&dc, maxname), mw / 3);
-       match();
+       setup();
        run();
        run();
-       return 0;
+
+       return EXIT_FAILURE;  /* should not reach */
 }
 }