Adding shifttag patch ref. #270

patch/include.c

@@ -232,6 +232,9 @@
 #if SETBORDERPX_PATCH
 #include "setborderpx.c"
 #endif
+#if SHIFTTAG_PATCH
+#include "shifttag.c"
+#endif
 #if SHIFTVIEW_PATCH
 #include "shiftview.c"
 #endif

patch/include.h

@@ -234,6 +234,9 @@
 #if SETBORDERPX_PATCH
 #include "setborderpx.h"
 #endif
+#if SHIFTTAG_PATCH
+#include "shifttag.h"
+#endif
 #if SHIFTVIEW_PATCH
 #include "shiftview.h"
 #endif

patch/shifttag.c

@@ -0,0 +1,20 @@
+/* Sends a window to the next/prev tag */
+void
+shifttag(const Arg *arg)
+{
+	Arg shifted;
+	#if SCRATCHPADS_PATCH && !RENAMED_SCRATCHPADS_PATCH
+	shifted.ui = selmon->tagset[selmon->seltags];
+	#else
+	shifted.ui = selmon->tagset[selmon->seltags];
+	#endif // SCRATCHPADS_PATCH
+
+	if (arg->i > 0) /* left circular shift */
+		shifted.ui = ((shifted.ui << arg->i) | (shifted.ui >> (NUMTAGS - arg->i)));
+	else /* right circular shift */
+		shifted.ui = ((shifted.ui >> -arg->i) | (shifted.ui << (NUMTAGS + arg->i)));
+	#if SCRATCHPADS_PATCH && !RENAMED_SCRATCHPADS_PATCH
+	shifted.ui &= ~SPTAGMASK;
+	#endif // SCRATCHPADS_PATCH
+	tag(&shifted);
+}

patch/shifttag.h

@@ -0,0 +1 @@
+static void shifttag(const Arg *arg);