dmenu

my fork of dmenu
Index Commits Files Refs README LICENSE
commit 50207344084b385839cef251f77f5129dc85874e
parent f1848a3ef0d5e230761b6b9b5b7490d7be945154
Author: Connor Lane Smith <cls@lubutu.com>
Date:   Tue, 20 Sep 2011 00:11:01 +0100

merge token -> default
Diffstat:
Mdmenu.1 | 15++++++---------
Mdmenu.c | 61++++++++++++++++++++++++++++++++++++-------------------------
2 files changed, 42 insertions(+), 34 deletions(-)
diff --git a/dmenu.1 b/dmenu.1
@@ -25,13 +25,10 @@ dmenu \- dynamic menu
 .BR dmenu_run " ..."
 .SH DESCRIPTION
 .B dmenu
-is a dynamic menu for X, originally designed for
-.IR dwm (1).
-It manages huge numbers of user\-defined menu items efficiently.
-.P
-dmenu reads a list of newline\-separated items from stdin and creates a menu.
-When the user selects an item or enters any text and presses Return, their
-choice is printed to stdout and dmenu terminates.
+is a dynamic menu for X, which reads a list of newline\-separated items from
+stdin.  When the user selects an item and presses Return, their choice is printed
+to stdout and dmenu terminates.  Entering text will narrow the items to those
+matching the tokens in the input.
 .P
 .B dmenu_run
 is a dmenu script used by dwm which lists programs in the user's $PATH and
@@ -42,8 +39,8 @@ executes the selected item.
 dmenu appears at the bottom of the screen.
 .TP
 .B \-f
-dmenu grabs the keyboard before reading stdin.  This is faster, but may lock up
-X if stdin is from a terminal.
+dmenu grabs the keyboard before reading stdin.  This is faster, but will lock up
+X until stdin reaches end\-of\-file.
 .TP
 .B \-i
 dmenu matches menu items case insensitively.
diff --git a/dmenu.c b/dmenu.c
@@ -30,7 +30,7 @@ static void drawmenu(void);
 static void grabkeyboard(void);
 static void insert(const char *str, ssize_t n);
 static void keypress(XKeyEvent *ev);
-static void match(Bool sub);
+static void match(void);
 static size_t nextrune(int inc);
 static void paste(void);
 static void readstdin(void);
@@ -120,10 +120,10 @@ main(int argc, char *argv[]) {
 
 void
 appenditem(Item *item, Item **list, Item **last) {
-    if(!*last)
-        *list = item;
-    else
+    if(*last)
         (*last)->right = item;
+    else
+        *list = item;
 
     item->left = *last;
     item->right = NULL;
@@ -223,7 +223,7 @@ insert(const char *str, ssize_t n) {
     if(n > 0)
         memcpy(&text[cursor], str, n);
     cursor += n;
-    match(n > 0 && text[cursor] == '\0');
+    match();
 }
 
 void
@@ -252,7 +252,7 @@ keypress(XKeyEvent *ev) {
 
         case XK_k: /* delete right */
             text[cursor] = '\0';
-            match(False);
+            match();
             break;
         case XK_u: /* delete left */
             insert(NULL, 0 - cursor);
@@ -355,33 +355,44 @@ keypress(XKeyEvent *ev) {
             return;
         strncpy(text, sel->text, sizeof text);
         cursor = strlen(text);
-        match(True);
+        match();
         break;
     }
     drawmenu();
 }
 
 void
-match(Bool sub) {
-    size_t len = strlen(text);
-    Item *lexact, *lprefix, *lsubstr, *exactend, *prefixend, *substrend;
-    Item *item, *lnext;
-
-    lexact = lprefix = lsubstr = exactend = prefixend = substrend = NULL;
-    for(item = sub ? matches : items; item && item->text; item = lnext) {
-        lnext = sub ? item->right : item + 1;
-        if(!fstrncmp(text, item->text, len + 1))
-            appenditem(item, &lexact, &exactend);
-        else if(!fstrncmp(text, item->text, len))
+match(void) {
+    static char **tokv = NULL;
+    static int tokn = 0;
+
+    char buf[sizeof text], *s;
+    int i, tokc = 0;
+    size_t len;
+    Item *item, *lprefix, *lsubstr, *prefixend, *substrend;
+
+    strcpy(buf, text);
+    for(s = strtok(buf, " "); s; tokv[tokc-1] = s, s = strtok(NULL, " "))
+        if(++tokc > tokn && !(tokv = realloc(tokv, ++tokn * sizeof *tokv)))
+            eprintf("cannot realloc %u bytes\n", tokn * sizeof *tokv);
+    len = tokc ? strlen(tokv[0]) : 0;
+
+    matches = lprefix = lsubstr = matchend = prefixend = substrend = NULL;
+    for(item = items; item && item->text; item++) {
+        for(i = 0; i < tokc; i++)
+            if(!fstrstr(item->text, tokv[i]))
+                break;
+        if(i != tokc)
+            continue;
+        if(!tokc || !fstrncmp(tokv[0], item->text, len+1))
+            appenditem(item, &matches, &matchend);
+        else if(!fstrncmp(tokv[0], item->text, len))
             appenditem(item, &lprefix, &prefixend);
-        else if(fstrstr(item->text, text))
+        else
             appenditem(item, &lsubstr, &substrend);
     }
-    matches = lexact;
-    matchend = exactend;
-
     if(lprefix) {
-        if(matchend) {
+        if(matches) {
             matchend->right = lprefix;
             lprefix->left = matchend;
         }
@@ -390,7 +401,7 @@ match(Bool sub) {
         matchend = prefixend;
     }
     if(lsubstr) {
-        if(matchend) {
+        if(matches) {
             matchend->right = lsubstr;
             lsubstr->left = matchend;
         }
@@ -519,7 +530,7 @@ setup(void) {
     }
     promptw = prompt ? textw(dc, prompt) : 0;
     inputw = MIN(inputw, mw/3);
-    match(False);
+    match();
 
     /* menu window */
     swa.override_redirect = True;