diff options
| -rw-r--r-- | dmenu.1 | 15 | ||||
| -rw-r--r-- | dmenu.c | 61 |
2 files changed, 42 insertions, 34 deletions
@@ -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. @@ -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; |