background

README.md

@@ -1,5 +1,5 @@
 # rio
 Rio is a rectangle multiplexer.
-This rio has 1 spicy addition, though:
+This rio has 2 spicy additions, though:
 - different scrollbar reminiscent of the one found in _mux_.
-:)
+- reads background in from `$home/lib/riobg.bit`. if it is not present, background is 0x777777ff

data.c

@@ -187,7 +187,21 @@ Cursor *corners[9] = {
 void
 iconinit(void)
 {
-	background = allocimage(display, Rect(0,0,1,1), screen->chan, 1, 0x777777FF);
+	int fd;
+	char *buf, *h;
+
+	h = getenv("home");
+	if(h==nil)
+		sysfatal("please set your home: %r");
+	buf = smprint("%s/lib/riobg.bit", h);
+	fd = open(buf, OREAD);
+	if(fd<0)
+		background = allocimage(display, Rect(0,0,1,1), CMAP8, 1, 0x777777FF);
+	else{
+		free(buf);
+		background = readimage(display, fd, 0);
+		close(fd);
+	}
 
 	/* greys are multiples of 0x11111100+0xFF, 14* being palest */
 	cols[BACK] = allocimage(display, Rect(0,0,1,1), CMAP8, 1, 0xFFFFFFFF^reverse);