add dmenu dark and light variants

x.c

@@ -65,6 +65,16 @@ static void ttysend(const Arg *);
 /* config.h for applying patches and the configuration. */
 #include "config.h"
 
+char **externalcopycmd()
+{
+	return (lightmode) ? externalcopylightcmd : externalcopydarkcmd;
+}
+
+char **externalpastecmd()
+{
+	return (lightmode) ? externalpastelightcmd : externalpastedarkcmd;
+}
+
 /* XEMBED messages */
 #define XEMBED_FOCUS_IN  4
 #define XEMBED_FOCUS_OUT 5
@@ -2134,6 +2144,7 @@ xrdb_load(void)
 		XRESOURCE_LOAD_INTEGER("bellvolume", bellvolume);
 		XRESOURCE_LOAD_INTEGER("borderpx", borderpx);
 		XRESOURCE_LOAD_INTEGER("cursorshape", cursorshape);
+		XRESOURCE_LOAD_INTEGER("lightmode", lightmode);
 
 		XRESOURCE_LOAD_FLOAT("cwscale", cwscale);
 		XRESOURCE_LOAD_FLOAT("chscale", chscale);