Refactor

src/config.h

@@ -4,8 +4,7 @@
 static const unsigned int borderpx	= 4;		/* border pixel of windows */
 static const unsigned int snap		= 16;		/* snap pixel (32)*/
 static const unsigned int gappx		= 0;
-static const unsigned int gappx2	= 40;
+static const unsigned int gapmodes[] = { gappx, 40, 80 };
-static const unsigned int gapmodes[] = { 0, 40, 80 };
 static const int showbar			= 1;		/* 0 means no bar */
 static const int topbar				= 0;		/* 0 means bottom bar */
 static const int usealtbar			= 1;		/* 1 means use non-dwm status bar */

src/dwm.c

@@ -1844,10 +1844,10 @@ setgaps(const Arg *arg)
 void
 togglegaps(const Arg *arg)
 {
-	if (selmon->gappx == gappx2)
+	if (selmon->gappx == 0)
 		selmon->gappx = gappx;
 	else
-		selmon->gappx = gappx2;
+		selmon->gappx = 0;
 	arrange(selmon);
 }