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dmenu
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merge token -> default

This commit is contained in:
Connor Lane Smith 2011-09-20 00:11:01 +01:00
parent f1848a3ef0 4c8d43ab73
commit 5020734408
2 changed files with 41 additions and 33 deletions
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15
dmenu.1
View File

@ -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.

59
dmenu.c
View File

@ -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;
match(void) {
static char **tokv = NULL;
static int tokn = 0;
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))
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;