diff options
| -rw-r--r-- | dmenu.c | 144 |
1 files changed, 64 insertions, 80 deletions
@@ -34,22 +34,6 @@ struct item { bool out; }; -static void appenditem(struct item *, struct item **, struct item **); -static void calcoffsets(void); -static char *cistrstr(const char *, const char *); -static void cleanup(void); -static void drawmenu(void); -static void grabkeyboard(void); -static void insert(const char *, ssize_t); -static void keypress(XKeyEvent *); -static void match(void); -static size_t nextrune(int); -static void paste(void); -static void readstdin(void); -static void run(void); -static void setup(void); -static void usage(void); - static char text[BUFSIZ] = ""; static int bh, mw, mh; static int sw, sh; /* X display screen geometry width, height */ @@ -216,6 +200,59 @@ grabkeyboard(void) } static void +match(void) +{ + static char **tokv = NULL; + static int tokn = 0; + + char buf[sizeof text], *s; + int i, tokc = 0; + size_t len; + struct item *item, *lprefix, *lsubstr, *prefixend, *substrend; + + strcpy(buf, text); + /* separate input text into tokens to be matched individually */ + for (s = strtok(buf, " "); s; tokv[tokc - 1] = s, s = strtok(NULL, " ")) + if (++tokc > tokn && !(tokv = realloc(tokv, ++tokn * sizeof *tokv))) + die("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) /* not all tokens match */ + continue; + /* exact matches go first, then prefixes, then substrings */ + 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 + appenditem(item, &lsubstr, &substrend); + } + if (lprefix) { + if (matches) { + matchend->right = lprefix; + lprefix->left = matchend; + } else + matches = lprefix; + matchend = prefixend; + } + if (lsubstr) { + if (matches) { + matchend->right = lsubstr; + lsubstr->left = matchend; + } else + matches = lsubstr; + matchend = substrend; + } + curr = sel = matches; + calcoffsets(); +} + +static void insert(const char *str, ssize_t n) { if (strlen(text) + n > sizeof text - 1) @@ -228,6 +265,17 @@ insert(const char *str, ssize_t n) match(); } +static size_t +nextrune(int inc) +{ + ssize_t n; + + /* return location of next utf8 rune in the given direction (+1 or -1) */ + for (n = cursor + inc; n + inc >= 0 && (text[n] & 0xc0) == 0x80; n += inc) + ; + return n; +} + static void keypress(XKeyEvent *ev) { @@ -399,70 +447,6 @@ keypress(XKeyEvent *ev) } static void -match(void) -{ - static char **tokv = NULL; - static int tokn = 0; - - char buf[sizeof text], *s; - int i, tokc = 0; - size_t len; - struct item *item, *lprefix, *lsubstr, *prefixend, *substrend; - - strcpy(buf, text); - /* separate input text into tokens to be matched individually */ - for (s = strtok(buf, " "); s; tokv[tokc - 1] = s, s = strtok(NULL, " ")) - if (++tokc > tokn && !(tokv = realloc(tokv, ++tokn * sizeof *tokv))) - die("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) /* not all tokens match */ - continue; - /* exact matches go first, then prefixes, then substrings */ - 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 - appenditem(item, &lsubstr, &substrend); - } - if (lprefix) { - if (matches) { - matchend->right = lprefix; - lprefix->left = matchend; - } else - matches = lprefix; - matchend = prefixend; - } - if (lsubstr) { - if (matches) { - matchend->right = lsubstr; - lsubstr->left = matchend; - } else - matches = lsubstr; - matchend = substrend; - } - curr = sel = matches; - calcoffsets(); -} - -static size_t -nextrune(int inc) -{ - ssize_t n; - - /* return location of next utf8 rune in the given direction (+1 or -1) */ - for (n = cursor + inc; n + inc >= 0 && (text[n] & 0xc0) == 0x80; n += inc) - ; - return n; -} - -static void paste(void) { char *p, *q; |