X-Git-Url: https://git.xinqibao.xyz/dmenu.git/blobdiff_plain/301b4e55912dc611bd941002b27c72f17fcc5b39..542c58d8d00e26f23a5e0f09a9d1e68a7259db5e:/dmenu.c?ds=inline

diff --git a/dmenu.c b/dmenu.c
index 5f81d25..5191a20 100644
--- a/dmenu.c
+++ b/dmenu.c
@@ -34,14 +34,15 @@ typedef struct {
 
 typedef struct Item Item;
 struct Item {
+	char *text;
 	Item *next;		/* traverses all items */
 	Item *left, *right;	/* traverses items matching current search pattern */
-	char *text;
 };
 
 /* forward declarations */
-Item *appenditem(Item *i, Item *last);
+void appenditem(Item *i, Item **list, Item **last);
 void calcoffsets(void);
+char *cistrstr(const char *s, const char *sub);
 void cleanup(void);
 void drawmenu(void);
 void drawtext(const char *text, unsigned long col[ColLast]);
@@ -56,7 +57,6 @@ void match(char *pattern);
 void readstdin(void);
 void run(void);
 void setup(int x, int y, int w);
-char *cistrstr(const char *s, const char *sub);
 unsigned int textnw(const char *text, unsigned int len);
 unsigned int textw(const char *text);
 
@@ -91,17 +91,15 @@ Window root, win;
 int (*fstrncmp)(const char *, const char *, size_t n) = strncmp;
 char *(*fstrstr)(const char *, const char *) = strstr;
 
-Item *
-appenditem(Item *i, Item *last) {
-	if(!last)
-		item = i;
+void
+appenditem(Item *i, Item **list, Item **last) {
+	if(!(*last))
+		*list = i;
 	else
-		last->right = i;
-	i->left = last;
+		(*last)->right = i;
+	i->left = *last;
 	i->right = NULL;
-	last = i;
-	nitem++;
-	return last;
+	*last = i;
 }
 
 void
@@ -130,6 +128,29 @@ calcoffsets(void) {
 	}
 }
 
+char *
+cistrstr(const char *s, const char *sub) {
+	int c, csub;
+	unsigned int len;
+
+	if(!sub)
+		return (char *)s;
+	if((c = *sub++) != 0) {
+		c = tolower(c);
+		len = strlen(sub);
+		do {
+			do {
+				if((csub = *s++) == 0)
+					return (NULL);
+			}
+			while(tolower(csub) != c);
+		}
+		while(strncasecmp(s, sub, len) != 0);
+		s--;
+	}
+	return (char *)s;
+}
+
 void
 cleanup(void) {
 	Item *itm;
@@ -497,17 +518,47 @@ kpress(XKeyEvent * e) {
 void
 match(char *pattern) {
 	unsigned int plen;
-	Item *i, *j;
+	Item *i, *itemend, *lexact, *lprefix, *lsubstr, *exactend, *prefixend, *substrend;
 
 	if(!pattern)
 		return;
 	plen = strlen(pattern);
-	item = j = NULL;
+	item = lexact = lprefix = lsubstr = itemend = exactend = prefixend = substrend = NULL;
 	nitem = 0;
 	for(i = allitems; i; i = i->next)
-		if(!fstrncmp(pattern, i->text, plen)
-				|| fstrstr(i->text, pattern))
-			j = appenditem(i, j);
+		if(!fstrncmp(pattern, i->text, plen + 1)) {
+			appenditem(i, &lexact, &exactend);
+			nitem++;
+		}
+		else if(!fstrncmp(pattern, i->text, plen)) {
+			appenditem(i, &lprefix, &prefixend);
+			nitem++;
+		}
+		else if(fstrstr(i->text, pattern)) {
+			appenditem(i, &lsubstr, &substrend);
+			nitem++;
+		}
+	if(lexact) {
+		item = lexact;
+		itemend = exactend;
+	}
+	if(lprefix) {
+		if(itemend) {
+			itemend->right - lprefix;
+			lprefix->left = itemend;
+		}
+		else
+			item = lprefix;
+		itemend = prefixend;
+	}
+	if(lsubstr) {
+		if(itemend) {
+			itemend->right = lsubstr;
+			lsubstr->left = itemend;
+		}
+		else
+			item = lsubstr;
+	}
 	curr = prev = next = sel = item;
 	calcoffsets();
 }
@@ -587,6 +638,12 @@ setup(int x, int y, int w) {
 	wa.event_mask = ExposureMask | ButtonPressMask | KeyPressMask;
 	mw = w ? w : DisplayWidth(dpy, screen);
 	mh = dc.font.height + 2;
+	if(y < 0) {
+		if(y == (int)(unsigned int)-1)
+			y = DisplayHeight(dpy, screen) - mh;
+		else
+			y = (-1 * y) - mh;
+	}
 	win = XCreateWindow(dpy, root, x, y, mw, mh, 0,
 			DefaultDepth(dpy, screen), CopyFromParent,
 			DefaultVisual(dpy, screen),
@@ -611,29 +668,6 @@ setup(int x, int y, int w) {
 	XMapRaised(dpy, win);
 }
 
-char *
-cistrstr(const char *s, const char *sub) {
-	int c, csub;
-	unsigned int len;
-
-	if(!sub)
-		return (char *)s;
-	if((c = *sub++) != 0) {
-		c = tolower(c);
-		len = strlen(sub);
-		do {
-			do {
-				if((csub = *s++) == 0)
-					return (NULL);
-			}
-			while(tolower(csub) != c);
-		}
-		while(strncasecmp(s, sub, len) != 0);
-		s--;
-	}
-	return (char *)s;
-}
-
 unsigned int
 textnw(const char *text, unsigned int len) {
 	XRectangle r;
@@ -683,7 +717,12 @@ main(int argc, char *argv[]) {
 			if(++i < argc) x = atoi(argv[i]);
 		}
 		else if(!strcmp(argv[i], "-y")) {
-			if(++i < argc) y = atoi(argv[i]);
+			if(++i < argc) {
+				if(!strcmp(argv[i], "-0"))
+					y = (int)(unsigned int)-1;
+				else
+					y = atoi(argv[i]);
+			}
 		}
 		else if(!strcmp(argv[i], "-w")) {
 			if(++i < argc) w = atoi(argv[i]);