X-Git-Url: https://git.xinqibao.xyz/dmenu.git/blobdiff_plain/b048eacc9ddc6ca995783411d4df84c23f3a0351..3de85ca21cedf2a9f67755afc8ef031a9170b96a:/dmenu.c

diff --git a/dmenu.c b/dmenu.c
index cf5d976..e0c2f80 100644
--- a/dmenu.c
+++ b/dmenu.c
@@ -1,12 +1,12 @@
 /* See LICENSE file for copyright and license details. */
 #include <ctype.h>
 #include <locale.h>
-#include <stdbool.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 #include <strings.h>
 #include <time.h>
+
 #include <X11/Xlib.h>
 #include <X11/Xatom.h>
 #include <X11/Xutil.h>
@@ -28,37 +28,20 @@
 /* enums */
 enum { SchemeNorm, SchemeSel, SchemeOut, SchemeLast }; /* color schemes */
 
-typedef struct Item Item;
-struct Item {
+struct item {
 	char *text;
-	Item *left, *right;
-	bool out;
+	struct item *left, *right;
+	int out;
 };
 
-static void appenditem(Item *, Item **, 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 */
 static int inputw, promptw;
 static size_t cursor;
-static Item *items = NULL;
-static Item *matches, *matchend;
-static Item *prev, *curr, *next, *sel;
+static struct item *items = NULL;
+static struct item *matches, *matchend;
+static struct item *prev, *curr, *next, *sel;
 static int mon = -1, screen;
 
 static Atom clip, utf8;
@@ -75,7 +58,7 @@ static int (*fstrncmp)(const char *, const char *, size_t) = strncmp;
 static char *(*fstrstr)(const char *, const char *) = strstr;
 
 static void
-appenditem(Item *item, Item **list, Item **last)
+appenditem(struct item *item, struct item **list, struct item **last)
 {
 	if (*last)
 		(*last)->right = item;
@@ -108,13 +91,13 @@ calcoffsets(void)
 static void
 cleanup(void)
 {
+	size_t i;
+
 	XUngrabKey(dpy, AnyKey, AnyModifier, root);
-	drw_clr_free(scheme[SchemeNorm].bg);
-	drw_clr_free(scheme[SchemeNorm].fg);
-	drw_clr_free(scheme[SchemeSel].fg);
-	drw_clr_free(scheme[SchemeSel].bg);
-	drw_clr_free(scheme[SchemeOut].fg);
-	drw_clr_free(scheme[SchemeOut].bg);
+	for (i = 0; i < SchemeLast; i++) {
+		drw_clr_free(scheme[i].bg);
+		drw_clr_free(scheme[i].fg);
+	}
 	drw_free(drw);
 	XSync(dpy, False);
 	XCloseDisplay(dpy);
@@ -135,7 +118,7 @@ static void
 drawmenu(void)
 {
 	int curpos;
-	Item *item;
+	struct item *item;
 	int x = 0, y = 0, h = bh, w;
 
 	drw_setscheme(drw, &scheme[SchemeNorm]);
@@ -216,6 +199,60 @@ grabkeyboard(void)
 	die("cannot grab keyboard\n");
 }
 
+static void
+match(void)
+{
+	static char **tokv = NULL;
+	static int tokn = 0;
+
+	char buf[sizeof text], *s;
+	int i, tokc = 0;
+	size_t len, textsize;
+	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;
+	textsize = strlen(text);
+	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(text, item->text, textsize))
+			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)
 {
@@ -229,6 +266,17 @@ 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)
 {
@@ -266,12 +314,15 @@ keypress(XKeyEvent *ev)
 			insert(NULL, 0 - cursor);
 			break;
 		case XK_w: /* delete word */
-			while (cursor > 0 && text[nextrune(-1)] == ' ')
+			while (cursor > 0 && strchr(worddelimiters,
+			       text[nextrune(-1)]))
 				insert(NULL, nextrune(-1) - cursor);
-			while (cursor > 0 && text[nextrune(-1)] != ' ')
+			while (cursor > 0 && !strchr(worddelimiters,
+			       text[nextrune(-1)]))
 				insert(NULL, nextrune(-1) - cursor);
 			break;
 		case XK_y: /* paste selection */
+		case XK_Y:
 			XConvertSelection(dpy, (ev->state & ShiftMask) ? clip : XA_PRIMARY,
 			                  utf8, utf8, win, CurrentTime);
 			return;
@@ -371,7 +422,7 @@ keypress(XKeyEvent *ev)
 			exit(0);
 		}
 		if (sel)
-			sel->out = true;
+			sel->out = 1;
 		break;
 	case XK_Right:
 		if (text[cursor] != '\0') {
@@ -399,70 +450,6 @@ keypress(XKeyEvent *ev)
 	drawmenu();
 }
 
-static void
-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);
-	/* 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)
 {
@@ -494,7 +481,7 @@ readstdin(void)
 			*p = '\0';
 		if (!(items[i].text = strdup(buf)))
 			die("cannot strdup %u bytes:", strlen(buf) + 1);
-		items[i].out = false;
+		items[i].out = 0;
 		if (strlen(items[i].text) > max)
 			max = strlen(maxstr = items[i].text);
 	}
@@ -566,7 +553,7 @@ setup(void)
 		XGetInputFocus(dpy, &w, &di);
 		if (mon != -1 && mon < n)
 			i = mon;
-		if (!i && w != root && w != PointerRoot && w != None) {
+		else if (w != root && w != PointerRoot && w != None) {
 			/* find top-level window containing current input focus */
 			do {
 				if (XQueryTree(dpy, (pw = w), &dw, &w, &dws, &du) && dws)
@@ -631,18 +618,17 @@ usage(void)
 int
 main(int argc, char *argv[])
 {
-	bool fast = false;
-	int i;
+	int i, fast = 0;
 
 	for (i = 1; i < argc; i++)
 		/* these options take no arguments */
 		if (!strcmp(argv[i], "-v")) {      /* prints version information */
 			puts("dmenu-"VERSION);
 			exit(0);
-		} else if (!strcmp(argv[i], "-b"))   /* appears at the bottom of the screen */
-			topbar = false;
+		} else if (!strcmp(argv[i], "-b")) /* appears at the bottom of the screen */
+			topbar = 0;
 		else if (!strcmp(argv[i], "-f"))   /* grabs keyboard before reading stdin */
-			fast = true;
+			fast = 1;
 		else if (!strcmp(argv[i], "-i")) { /* case-insensitive item matching */
 			fstrncmp = strncasecmp;
 			fstrstr = cistrstr;