dmenu

dynamic menu
git clone git://git.suckless.org/dmenu
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commit 43540746077d4fd8ef963b5939934d32d59c9417
parent 4776d6dc6148498a1eab11dd3a15c03736f15d42
Author: Connor Lane Smith <cls@lubutu.com>
Date:   Sun, 15 May 2011 16:05:32 +0100

efficient incremental search
Diffstat:
Mdmenu.c | 37+++++++++++++++++++------------------
1 file changed, 19 insertions(+), 18 deletions(-)

diff --git a/dmenu.c b/dmenu.c @@ -27,9 +27,9 @@ static void calcoffsets(void); static void drawmenu(void); static char *fstrstr(const char *s, const char *sub); static void grabkeyboard(void); -static void insert(const char *s, ssize_t n); +static void insert(const char *str, ssize_t n); static void keypress(XKeyEvent *ev); -static void match(void); +static void match(Bool sub); static size_t nextrune(int incr); static void paste(void); static void readstdin(void); @@ -218,14 +218,14 @@ grabkeyboard(void) { } void -insert(const char *s, ssize_t n) { +insert(const char *str, ssize_t n) { if(strlen(text) + n > sizeof text - 1) return; memmove(&text[cursor + n], &text[cursor], sizeof text - cursor - MAX(n, 0)); if(n > 0) - memcpy(&text[cursor], s, n); + memcpy(&text[cursor], str, n); cursor += n; - match(); + match(n > 0); } void @@ -269,7 +269,7 @@ keypress(XKeyEvent *ev) { break; case XK_k: /* delete right */ text[cursor] = '\0'; - match(); + match(False); break; case XK_n: ksym = XK_Down; @@ -375,30 +375,31 @@ keypress(XKeyEvent *ev) { return; strncpy(text, sel->text, sizeof text); cursor = strlen(text); - match(); + match(True); break; } drawmenu(); } void -match(void) { +match(Bool sub) { size_t len = strlen(text); - Item *item, *lexact, *lprefix, *lsubstr, *exactend, *prefixend, *substrend; + Item *lexact, *lprefix, *lsubstr, *exactend, *prefixend, *substrend; + Item *item, *next = NULL; - matches = lexact = lprefix = lsubstr = matchend = exactend = prefixend = substrend = NULL; - for(item = items; item && item->text; item++) + lexact = lprefix = lsubstr = exactend = prefixend = substrend = NULL; + for(item = sub ? matches : items; item && item->text; item = next) { + next = sub ? item->right : item + 1; if(!fstrncmp(text, item->text, len + 1)) appenditem(item, &lexact, &exactend); else if(!fstrncmp(text, item->text, len)) appenditem(item, &lprefix, &prefixend); else if(fstrstr(item->text, text)) appenditem(item, &lsubstr, &substrend); - - if(lexact) { - matches = lexact; - matchend = exactend; } + matches = lexact; + matchend = exactend; + if(lprefix) { if(matchend) { matchend->right = lprefix; @@ -498,8 +499,8 @@ setup(void) { normcol[ColBG] = getcolor(dc, normbgcolor); normcol[ColFG] = getcolor(dc, normfgcolor); - selcol[ColBG] = getcolor(dc, selbgcolor); - selcol[ColFG] = getcolor(dc, selfgcolor); + selcol[ColBG] = getcolor(dc, selbgcolor); + selcol[ColFG] = getcolor(dc, selfgcolor); utf8 = XInternAtom(dc->dpy, "UTF8_STRING", False); @@ -532,7 +533,7 @@ setup(void) { } inputw = MIN(inputw, mw/3); promptw = prompt ? textw(dc, prompt) : 0; - match(); + match(False); /* menu window */ wa.override_redirect = True;