update: dmenu to `5.3`

1 files changed, 55 insertions, 41 deletions

diff --git a/.local/src/dmenu-adwaita/dmenu.c b/.local/src/dmenu-adwaita/dmenu.c
index 98507d9..40f93e0 100644
--- a/.local/src/dmenu-adwaita/dmenu.c
+++ b/.local/src/dmenu-adwaita/dmenu.c
@@ -22,7 +22,6 @@
 /* macros */
 #define INTERSECT(x,y,w,h,r)  (MAX(0, MIN((x)+(w),(r).x_org+(r).width)  - MAX((x),(r).x_org)) \
                              * MAX(0, MIN((y)+(h),(r).y_org+(r).height) - MAX((y),(r).y_org)))
-#define LENGTH(X)             (sizeof X / sizeof X[0])
 #define TEXTW(X)              (drw_fontset_getwidth(drw, (X)) + lrpad)
 
 /* enums */
@@ -58,6 +57,13 @@ static Clr *scheme[SchemeLast];
 static int (*fstrncmp)(const char *, const char *, size_t) = strncmp;
 static char *(*fstrstr)(const char *, const char *) = strstr;
 
+static unsigned int
+textw_clamp(const char *str, unsigned int n)
+{
+	unsigned int w = drw_fontset_getwidth_clamp(drw, str, n) + lrpad;
+	return MIN(w, n);
+}
+
 static void
 appenditem(struct item *item, struct item **list, struct item **last)
 {
@@ -82,10 +88,10 @@ calcoffsets(void)
 		n = mw - (promptw + inputw + TEXTW("<") + TEXTW(">"));
 	/* calculate which items will begin the next page and previous page */
 	for (i = 0, next = curr; next; next = next->right)
-		if ((i += (lines > 0) ? bh : MIN(TEXTW(next->text), n)) > n)
+		if ((i += (lines > 0) ? bh : textw_clamp(next->text, n)) > n)
 			break;
 	for (i = 0, prev = curr; prev && prev->left; prev = prev->left)
-		if ((i += (lines > 0) ? bh : MIN(TEXTW(prev->left->text), n)) > n)
+		if ((i += (lines > 0) ? bh : textw_clamp(prev->left->text, n)) > n)
 			break;
 }
 
@@ -97,19 +103,29 @@ cleanup(void)
 	XUngrabKey(dpy, AnyKey, AnyModifier, root);
 	for (i = 0; i < SchemeLast; i++)
 		free(scheme[i]);
+	for (i = 0; items && items[i].text; ++i)
+		free(items[i].text);
+	free(items);
 	drw_free(drw);
 	XSync(dpy, False);
 	XCloseDisplay(dpy);
 }
 
 static char *
-cistrstr(const char *s, const char *sub)
+cistrstr(const char *h, const char *n)
 {
-	size_t len;
+	size_t i;
+
+	if (!n[0])
+		return (char *)h;
 
-	for (len = strlen(sub); *s; s++)
-		if (!strncasecmp(s, sub, len))
-			return (char *)s;
+	for (; *h; ++h) {
+		for (i = 0; n[i] && tolower((unsigned char)n[i]) ==
+		            tolower((unsigned char)h[i]); ++i)
+			;
+		if (n[i] == '\0')
+			return (char *)h;
+	}
 	return NULL;
 }
 
@@ -165,7 +181,7 @@ drawmenu(void)
 		}
 		x += w;
 		for (item = curr; item != next; item = item->right)
-			x = drawitem(item, x, 0, MIN(TEXTW(item->text), mw - x - TEXTW(">")));
+			x = drawitem(item, x, 0, textw_clamp(item->text, mw - x - TEXTW(">")));
 		if (next) {
 			w = TEXTW(">");
 			drw_setscheme(drw, scheme[SchemeNorm]);
@@ -225,7 +241,7 @@ match(void)
 	/* 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:", tokn * sizeof *tokv);
+			die("cannot realloc %zu bytes:", tokn * sizeof *tokv);
 	len = tokc ? strlen(tokv[0]) : 0;
 
 	matches = lprefix = lsubstr = matchend = prefixend = substrend = NULL;
@@ -307,19 +323,19 @@ movewordedge(int dir)
 static void
 keypress(XKeyEvent *ev)
 {
-	char buf[32];
+	char buf[64];
 	int len;
-	KeySym ksym;
+	KeySym ksym = NoSymbol;
 	Status status;
 
 	len = XmbLookupString(xic, ev, buf, sizeof buf, &ksym, &status);
 	switch (status) {
 	default: /* XLookupNone, XBufferOverflow */
 		return;
-	case XLookupChars:
+	case XLookupChars: /* composed string from input method */
 		goto insert;
 	case XLookupKeySym:
-	case XLookupBoth:
+	case XLookupBoth: /* a KeySym and a string are returned: use keysym */
 		break;
 	}
 
@@ -398,7 +414,7 @@ keypress(XKeyEvent *ev)
 	switch(ksym) {
 	default:
 insert:
-		if (!iscntrl(*buf))
+		if (!iscntrl((unsigned char)*buf))
 			insert(buf, len);
 		break;
 	case XK_Delete:
@@ -500,9 +516,9 @@ insert:
 	case XK_Tab:
 		if (!sel)
 			return;
-		strncpy(text, sel->text, sizeof text - 1);
-		text[sizeof text - 1] = '\0';
-		cursor = strlen(text);
+		cursor = strnlen(sel->text, sizeof text - 1);
+		memcpy(text, sel->text, cursor);
+		text[cursor] = '\0';
 		match();
 		break;
 	}
@@ -532,29 +548,27 @@ paste(void)
 static void
 readstdin(void)
 {
-	char buf[sizeof text], *p;
-	size_t i, imax = 0, size = 0;
-	unsigned int tmpmax = 0;
+	char *line = NULL;
+	size_t i, itemsiz = 0, linesiz = 0;
+	ssize_t len;
 
 	/* read each line from stdin and add it to the item list */
-	for (i = 0; fgets(buf, sizeof buf, stdin); i++) {
-		if (i + 1 >= size / sizeof *items)
-			if (!(items = realloc(items, (size += BUFSIZ))))
-				die("cannot realloc %u bytes:", size);
-		if ((p = strchr(buf, '\n')))
-			*p = '\0';
-		if (!(items[i].text = strdup(buf)))
-			die("cannot strdup %u bytes:", strlen(buf) + 1);
-		items[i].out = 0;
-		drw_font_getexts(drw->fonts, buf, strlen(buf), &tmpmax, NULL);
-		if (tmpmax > inputw) {
-			inputw = tmpmax;
-			imax = i;
+	for (i = 0; (len = getline(&line, &linesiz, stdin)) != -1; i++) {
+		if (i + 1 >= itemsiz) {
+			itemsiz += 256;
+			if (!(items = realloc(items, itemsiz * sizeof(*items))))
+				die("cannot realloc %zu bytes:", itemsiz * sizeof(*items));
 		}
+		if (line[len - 1] == '\n')
+			line[len - 1] = '\0';
+		if (!(items[i].text = strdup(line)))
+			die("strdup:");
+
+		items[i].out = 0;
 	}
+	free(line);
 	if (items)
 		items[i].text = NULL;
-	inputw = items ? TEXTW(items[imax].text) : 0;
 	lines = MIN(lines, i);
 }
 
@@ -645,7 +659,7 @@ setup(void)
 		/* no focused window is on screen, so use pointer location instead */
 		if (mon < 0 && !area && XQueryPointer(dpy, root, &dw, &dw, &x, &y, &di, &di, &du))
 			for (i = 0; i < n; i++)
-				if (INTERSECT(x, y, 1, 1, info[i]))
+				if (INTERSECT(x, y, 1, 1, info[i]) != 0)
 					break;
 
 		x = info[i].x_org;
@@ -663,14 +677,14 @@ setup(void)
 		mw = wa.width;
 	}
 	promptw = (prompt && *prompt) ? TEXTW(prompt) - lrpad / 4 : 0;
-	inputw = MIN(inputw, mw/3);
+	inputw = mw / 3; /* input width: ~33% of monitor width */
 	match();
 
 	/* create menu window */
 	swa.override_redirect = True;
 	swa.background_pixel = scheme[SchemeNorm][ColBg].pixel;
 	swa.event_mask = ExposureMask | KeyPressMask | VisibilityChangeMask;
-	win = XCreateWindow(dpy, parentwin, x, y, mw, mh, 0,
+	win = XCreateWindow(dpy, root, x, y, mw, mh, 0,
 	                    CopyFromParent, CopyFromParent, CopyFromParent,
 	                    CWOverrideRedirect | CWBackPixel | CWEventMask, &swa);
 	XSetClassHint(dpy, win, &ch);
@@ -685,6 +699,7 @@ setup(void)
 
 	XMapRaised(dpy, win);
 	if (embed) {
+		XReparentWindow(dpy, win, parentwin, x, y);
 		XSelectInput(dpy, parentwin, FocusChangeMask | SubstructureNotifyMask);
 		if (XQueryTree(dpy, parentwin, &dw, &w, &dws, &du) && dws) {
 			for (i = 0; i < du && dws[i] != win; ++i)
@@ -700,9 +715,8 @@ setup(void)
 static void
 usage(void)
 {
-	fputs("usage: dmenu [-bfiv] [-l lines] [-p prompt] [-fn font] [-m monitor]\n"
-	      "             [-nb color] [-nf color] [-sb color] [-sf color] [-w windowid]\n", stderr);
-	exit(1);
+	die("usage: dmenu [-bfiv] [-l lines] [-p prompt] [-fn font] [-m monitor]\n"
+	    "             [-nb color] [-nf color] [-sb color] [-sf color] [-w windowid]");
 }
 
 int