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-rw-r--r--dmenu.115
-rw-r--r--dmenu.c61
2 files changed, 42 insertions, 34 deletions
diff --git a/dmenu.1 b/dmenu.1
index 616a2a5..7243a36 100644
--- 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
index 6c1407d..9d479f9 100644
--- 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;