apply nibble patch removing per-item length limit

[dmenu.git] / dmenu.c

diff --git a/dmenu.c b/dmenu.c
index 5f16894..f6552aa 100644 (file)
--- a/dmenu.c
+++ b/dmenu.c
@@ -52,6 +52,7 @@ static void calcoffsetsh(void);
 static void calcoffsetsv(void);
 static char *cistrstr(const char *s, const char *sub);
 static void cleanup(void);
+static void drawcursor(void);
 static void drawmenu(void);
 static void drawmenuh(void);
 static void drawmenuv(void);
@@ -247,9 +248,7 @@ drawmenuh(void) {
        dc.x += dc.w;
        /* determine maximum items */
        for(i = curr; i != next; i=i->right) {
-               dc.w = textw(i->text);
-               if(dc.w > mw / 3)
-                       dc.w = mw / 3;
+               dc.w = MIN(textw(i->text), mw / 3);
                drawtext(i->text, (sel == i) ? dc.sel : dc.norm);
                dc.x += dc.w;
        }
@@ -395,7 +394,16 @@ kpress(XKeyEvent * e) {
                switch (ksym) {
                default:        /* ignore other control sequences */
                        return;
-               case XK_bracketleft:
+               case XK_a:
+               case XK_A:
+                       cursor = 0;
+                       break;
+               case XK_e:
+               case XK_E:
+                       cursor = strlen(text);
+                       break;
+               case XK_c:
+               case XK_C:
                        ksym = XK_Escape;
                        break;
                case XK_h:
@@ -414,18 +422,16 @@ kpress(XKeyEvent * e) {
                case XK_U:
                        text[0] = 0;
                        match(text);
-                       drawmenu();
                        break;
                case XK_w:
                case XK_W:
-                       if(len) {
-                               i = len - 1;
-                               while(i >= 0 && text[i] == ' ')
-                                       text[i--] = 0;
-                               while(i >= 0 && text[i] != ' ')
-                                       text[i--] = 0;
+                       if(cursor > 0) {
+                               i = cursor;
+                               while(i-- > 0 && text[i] == ' ');
+                               while(i-- > 0 && text[i] != ' ');
+                               memmove(text + i + 1, text + cursor, sizeof text - cursor);
+                               cursor = i + 1;
                                match(text);
-                               drawmenu();
                        }
                        break;
                }
@@ -473,14 +479,14 @@ kpress(XKeyEvent * e) {
                num = MIN(num, sizeof text - cursor);
                if(num && !iscntrl((int) buf[0])) {
                        memmove(text + cursor + num, text + cursor, sizeof text - cursor - num);
-                       memmove(text + cursor, buf, num);
+                       memcpy(text + cursor, buf, num);
                        cursor+=num;
                        match(text);
                }
                break;
        case XK_BackSpace:
                if(cursor > 0) {
-                       memmove(text + cursor + -1, text + cursor, sizeof text - cursor);
+                       memmove(text + cursor - 1, text + cursor, sizeof text - cursor + 1);
                        cursor--;
                        match(text);
                }
@@ -490,8 +496,10 @@ kpress(XKeyEvent * e) {
                match(text);
                break;
        case XK_End:
-               if(!item)
-                       return;
+               if(cursor < len) {
+                       cursor = len;
+                       break;
+               }
                while(next) {
                        sel = curr = next;
                        calcoffsets();
@@ -504,8 +512,10 @@ kpress(XKeyEvent * e) {
                running = False;
                break;
        case XK_Home:
-               if(!item)
-                       return;
+               if(sel == item) {
+                       cursor = 0;
+                       break;
+               }
                sel = curr = item;
                calcoffsets();
                break;
@@ -536,12 +546,10 @@ kpress(XKeyEvent * e) {
                calcoffsets();
                break;
        case XK_Return:
-               if((e->state & ShiftMask) && *text)
+               if((e->state & ShiftMask) || !sel)
                        fprintf(stdout, "%s", text);
-               else if(sel)
+               else
                        fprintf(stdout, "%s", sel->text);
-               else if(*text)
-                       fprintf(stdout, "%s", text);
                fflush(stdout);
                running = False;
                break;
@@ -567,9 +575,6 @@ kpress(XKeyEvent * e) {
                match(text);
                break;
        }
-       len = strlen(text);
-       cursor = MIN(cursor, len);
-       cursor = MAX(cursor, 0);
        drawmenu();
 }
 
@@ -617,24 +622,31 @@ match(char *pattern) {
 void
 readstdin(void) {
        char *p, buf[1024];
-       unsigned int len = 0, max = 0;
+       unsigned int len = 0, blen = 0, max = 0;
        Item *i, *new;
 
-       i = 0;
+       i = 0, p = NULL;
        while(fgets(buf, sizeof buf, stdin)) {
-               len = strlen(buf);
-               if (buf[len - 1] == '\n')
-                       buf[len - 1] = 0;
-               if(!(p = strdup(buf)))
-                       eprint("fatal: could not strdup() %u bytes\n", strlen(buf));
+               len += (blen = strlen(buf));
+               if(!(p = realloc(p, len))) {
+                       eprint("fatal: could not realloc() %u bytes\n", len);
+                       return;
+               }
+               memcpy (p + len - blen, buf, blen);
+               if (p[len - 1] == '\n')
+                       p[len - 1] = 0;
+               else if (!feof(stdin))
+                       continue;
                if(max < len) {
                        maxname = p;
                        max = len;
                }
+               len = 0;
                if(!(new = (Item *)malloc(sizeof(Item))))
                        eprint("fatal: could not malloc() %u bytes\n", sizeof(Item));
                new->next = new->left = new->right = NULL;
                new->text = p;
+               p = NULL;
                if(!i)
                        allitems = new;
                else 
@@ -734,13 +746,9 @@ setup(Bool topbar) {
        if(!dc.font.set)
                XSetFont(dpy, dc.gc, dc.font.xfont->fid);
        if(maxname)
-               cmdw = textw(maxname);
-       if(cmdw > mw / 3)
-               cmdw = mw / 3;
+               cmdw = MIN(textw(maxname), mw / 3);
        if(prompt)
-               promptw = textw(prompt);
-       if(promptw > mw / 5)
-               promptw = mw / 5;
+               promptw = MIN(textw(prompt), mw / 5);
        text[0] = 0;
        match(text);
        XMapRaised(dpy, win);
@@ -775,6 +783,9 @@ main(int argc, char *argv[]) {
                }
                else if(!strcmp(argv[i], "-b"))
                        topbar = False;
+               else if(!strcmp(argv[i], "-e")) {
+                       if(++i < argc) root = atoi(argv[i]);
+               }
                else if(!strcmp(argv[i], "-l")) {
                        vlist = True;
                        calcoffsets = calcoffsetsv;
@@ -799,7 +810,7 @@ main(int argc, char *argv[]) {
                        if(++i < argc) selfgcolor = argv[i];
                }
                else if(!strcmp(argv[i], "-v"))
-                       eprint("dmenu-"VERSION", © 2006-2009 dmenu engineers, see LICENSE for details\n");
+                       eprint("dmenu-"VERSION", © 2006-2010 dmenu engineers, see LICENSE for details\n");
                else
                        eprint("usage: dmenu [-i] [-b] [-l <lines>] [-fn <font>] [-nb <color>] [-nf <color>]\n"
                               "             [-p <prompt>] [-sb <color>] [-sf <color>] [-v]\n");
@@ -808,7 +819,8 @@ main(int argc, char *argv[]) {
        if(!(dpy = XOpenDisplay(NULL)))
                eprint("dmenu: cannot open display\n");
        screen = DefaultScreen(dpy);
-       root = RootWindow(dpy, screen);
+       if(!root)
+               root = RootWindow(dpy, screen);
 
        if(isatty(STDIN_FILENO)) {
                readstdin();