X-Git-Url: https://git.danieliu.xyz/?a=blobdiff_plain;f=dmenu.c;h=2684c910da7b2eefba720e26fc6984a3969738c2;hb=3c067598fc3070243ae0c784bfea906dce0a6fbb;hp=6ed025d42279c486bc82a32e7cfc1f0e5ad02bfa;hpb=47e3e8be7b7df3ed37929dab8941f71cbee19fa9;p=dmenu.git

diff --git a/dmenu.c b/dmenu.c
index 6ed025d..2684c91 100644
--- a/dmenu.c
+++ b/dmenu.c
@@ -1,4 +1,4 @@
-/* See LICENSE file for copyright and license details. */
+/* See LICENSE file for copynext and license details. */
 #include <ctype.h>
 #include <stdio.h>
 #include <stdlib.h>
@@ -19,8 +19,7 @@
 typedef struct Item Item;
 struct Item {
 	char *text;
-	Item *next;          /* traverses all items */
-	Item *left, *right;  /* traverses matching items */
+	Item *left, *right;
 };
 
 static void appenditem(Item *item, Item **list, Item **last);
@@ -36,9 +35,8 @@ 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 char text[BUFSIZ] = "";
 static int bh, mw, mh;
 static int inputw = 0;
 static int lines = 0;
@@ -65,6 +63,7 @@ static int (*fstrncmp)(const char *, const char *, size_t) = strncmp;
 
 int
 main(int argc, char *argv[]) {
+	Bool fast = False;
 	int i;
 
 	progname = "dmenu";
@@ -76,10 +75,12 @@ main(int argc, char *argv[]) {
 		}
 		else if(!strcmp(argv[i], "-b"))
 			topbar = False;
+		else if(!strcmp(argv[i], "-f"))
+			fast = True;
 		else if(!strcmp(argv[i], "-i"))
 			fstrncmp = strncasecmp;
 		else if(i == argc-1)
-			usage();
+			goto usage;
 		/* double flags */
 		else if(!strcmp(argv[i], "-l"))
 			lines = atoi(argv[++i]);
@@ -98,15 +99,27 @@ main(int argc, char *argv[]) {
 		else if(!strcmp(argv[i], "-sf"))
 			selfgcolor = argv[++i];
 		else
-			usage();
+			goto usage;
 
 	dc = initdc();
 	initfont(dc, font);
-	readstdin();
-	setup();
+
+	if(fast) {
+		setup();
+		readstdin();
+	}
+	else {
+		readstdin();
+		setup();
+	}
+	match();
 	run();
+	return EXIT_FAILURE;
 
-	return EXIT_FAILURE;  /* should not reach */
+usage:
+	fputs("usage: dmenu [-b] [-f] [-i] [-l lines] [-m monitor] [-p prompt] [-fn font]\n"
+	      "             [-nb color] [-nf color] [-sb color] [-sf color] [-v]\n", stderr);
+	return EXIT_FAILURE;
 }
 
 void
@@ -223,7 +236,7 @@ keypress(XKeyEvent *ev) {
 
 	len = strlen(text);
 	XLookupString(ev, buf, sizeof buf, &ksym, NULL);
-	if(ev->state & ControlMask) {
+	if(ev->state & ControlMask)
 		switch(tolower(ksym)) {
 		default:
 			return;
@@ -277,7 +290,6 @@ keypress(XKeyEvent *ev) {
 			XConvertSelection(dc->dpy, XA_PRIMARY, utf8, utf8, win, CurrentTime);
 			return;
 		}
-	}
 	switch(ksym) {
 	default:
 		if(!iscntrl(*buf))
@@ -341,7 +353,6 @@ keypress(XKeyEvent *ev) {
 	case XK_Return:
 	case XK_KP_Enter:
 		fputs((sel && !(ev->state & ShiftMask)) ? sel->text : text, stdout);
-		fflush(stdout);
 		exit(EXIT_SUCCESS);
 	case XK_Right:
 		if(cursor < len) {
@@ -374,7 +385,7 @@ match(void) {
 
 	len = strlen(text);
 	matches = lexact = lprefix = lsubstr = itemend = exactend = prefixend = substrend = NULL;
-	for(item = items; item; item = item->next)
+	for(item = items; item && item->text; item++)
 		if(!fstrncmp(text, item->text, len + 1))
 			appenditem(item, &lexact, &exactend);
 		else if(!fstrncmp(text, item->text, len))
@@ -403,7 +414,7 @@ match(void) {
 		else
 			matches = lsubstr;
 	}
-	curr = prev = next = sel = matches;
+	curr = sel = matches;
 	calcoffsets();
 }
 
@@ -433,17 +444,17 @@ paste(void) {
 void
 readstdin(void) {
 	char buf[sizeof text], *p;
-	Item *item, **end;
+	size_t i, size = 0;
 
-	for(end = &items; fgets(buf, sizeof buf, stdin); *end = item, end = &item->next) {
+	for(i = 0; fgets(buf, sizeof buf, stdin); items[++i].text = NULL) {
+		if(i+1 == size / sizeof *items || !items)
+			if(!(items = realloc(items, (size += BUFSIZ))))
+				eprintf("cannot realloc %u bytes:", size);
 		if((p = strchr(buf, '\n')))
 			*p = '\0';
-		if(!(item = malloc(sizeof *item)))
-			eprintf("cannot malloc %u bytes\n", sizeof *item);
-		if(!(item->text = strdup(buf)))
-			eprintf("cannot strdup %u bytes\n", strlen(buf)+1);
-		item->next = item->left = item->right = NULL;
-		inputw = MAX(inputw, textw(dc, item->text));
+		if(!(items[i].text = strdup(buf)))
+			eprintf("cannot strdup %u bytes:", strlen(buf)+1);
+		inputw = MAX(inputw, textw(dc, items[i].text));
 	}
 }
 
@@ -500,7 +511,7 @@ setup(void) {
 		Window dw;
 
 		XQueryPointer(dc->dpy, root, &dw, &dw, &x, &y, &di, &di, &du);
-		for(i = 0; i < n; i++)
+		for(i = 0; i < n-1; i++)
 			if((monitor == info[i].screen_number)
 			|| (monitor < 0 && INRECT(x, y, info[i].x_org, info[i].y_org, info[i].width, info[i].height)))
 				break;
@@ -530,13 +541,4 @@ setup(void) {
 	inputw = MIN(inputw, mw/3);
 	promptw = prompt ? textw(dc, prompt) : 0;
 	XMapRaised(dc->dpy, win);
-	text[0] = '\0';
-	match();
-}
-
-void
-usage(void) {
-	fputs("usage: dmenu [-b] [-i] [-l lines] [-m monitor] [-p prompt] [-fn font]\n"
-	      "             [-nb color] [-nf color] [-sb color] [-sf color] [-v]\n", stderr);
-	exit(EXIT_FAILURE);
 }