wip

.config/suckless/dmenu/dmenu.c

@@ -25,6 +25,7 @@ enum { SchemeNorm, SchemeSel, SchemeOut, SchemeLast }; /* color schemes */
 
 struct item {
 	char *text;
+	unsigned int width;
 	struct item *left, *right;
 	int out;
 };
@@ -91,6 +92,15 @@ calcoffsets(void)
 			break;
 }
 
+static int
+max_textw(void)
+{
+	int len = 0;
+	for (struct item *item = items; item && item->text; item++)
+		len = MAX(item->width, len);
+	return len;
+}
+
 static void
 cleanup(void)
 {
@@ -559,6 +569,7 @@ readstdin(void)
 			line[len - 1] = '\0';
 		if (!(items[i].text = strdup(line)))
 			die("strdup:");
+		items[i].width = TEXTW(line);
 
 		items[i].out = 0;
 	}
@@ -627,15 +638,22 @@ setup(void)
 	bh = drw->fonts->h + 2;
 	lines = MAX(lines, 0);
 	mh = (lines + 1) * bh;
+	promptw = (prompt && *prompt) ? TEXTW(prompt) - lrpad / 4 : 0;
 	{
 		if (!XGetWindowAttributes(dpy, parentwin, &wa))
 			die("could not get embedding window attributes: 0x%lx",
 			    parentwin);
-		x = 0;
-		y = topbar ? 0 : wa.height - mh;
-		mw = wa.width;
+
+		if (centered) {
+			mw = MIN(MAX(max_textw() + promptw, min_width), wa.width);
+			x = (wa.width  - mw) / 2;
+			y = (wa.height - mh) / 2;
+		} else {
+			x = 0;
+			y = topbar ? 0 : wa.height - mh;
+			mw = wa.width;
+		}
 	}
-	promptw = (prompt && *prompt) ? TEXTW(prompt) - lrpad / 4 : 0;
 	inputw = mw / 3; /* input width: ~33% of monitor width */
 	match();
 
@@ -689,6 +707,8 @@ main(int argc, char *argv[])
 			topbar = 0;
 		else if (!strcmp(argv[i], "-f"))   /* grabs keyboard before reading stdin */
 			fast = 1;
+		else if (!strcmp(argv[i], "-c"))   /* centers dmenu on screen */
+			centered = 1;
 		else if (!strcmp(argv[i], "-i")) { /* case-insensitive item matching */
 			fstrncmp = strncasecmp;
 			fstrstr = cistrstr;