From dcc5981499de2fe353900e02895576e09b5e2896 Mon Sep 17 00:00:00 2001
From: ekzyis <ekzyis@ekzy.is>
Date: Sun, 21 Apr 2024 09:33:01 +0200
Subject: [PATCH] Add cycletags patch

See https://github.com/bakkeby/patches/blob/master/dwm/dwm-shiftviewclients-6.2.diff
---
 config.h |  4 +++-
 dwm.c    | 26 ++++++++++++++++++++++++++
 2 files changed, 29 insertions(+), 1 deletion(-)

diff --git a/config.h b/config.h
index 53daba5..bb8f7dd 100644
--- a/config.h
+++ b/config.h
@@ -76,7 +76,9 @@ static const Key keys[] = {
 	{ MODKEY,                       XK_h,      setmfact,       {.f = -0.05} },
 	{ MODKEY,                       XK_l,      setmfact,       {.f = +0.05} },
 //	{ MODKEY,                       XK_Return, zoom,           {0} },
-	{ MODKEY,                       XK_Tab,    view,           {0} },
+//	{ MODKEY,                       XK_Tab,    view,           {0} },
+  { MODKEY,                       XK_Tab,    cycletags,      { .i = +1 } },
+  { MODKEY|ShiftMask,             XK_Tab,    cycletags,      { .i = -1 } },
 	{ MODKEY|ShiftMask,             XK_c,      killclient,     {0} },
 	{ MODKEY,                       XK_t,      setlayout,      {.v = &layouts[0]} },
 	{ MODKEY,                       XK_f,      setlayout,      {.v = &layouts[1]} },
diff --git a/dwm.c b/dwm.c
index f1d86b2..61fa0d6 100644
--- a/dwm.c
+++ b/dwm.c
@@ -157,6 +157,7 @@ static void configure(Client *c);
 static void configurenotify(XEvent *e);
 static void configurerequest(XEvent *e);
 static Monitor *createmon(void);
+static void cycletags(const Arg *arg);
 static void destroynotify(XEvent *e);
 static void detach(Client *c);
 static void detachstack(Client *c);
@@ -647,6 +648,31 @@ createmon(void)
 	return m;
 }
 
+void
+cycletags(const Arg *arg)
+{
+	Arg shifted;
+	Client *c;
+	unsigned int tagmask = 0;
+
+	for (c = selmon->clients; c; c = c->next)
+		tagmask = tagmask | c->tags;
+
+	shifted.ui = selmon->tagset[selmon->seltags];
+	if (arg->i > 0) // left circular shift
+		do {
+			shifted.ui = (shifted.ui << arg->i)
+			   | (shifted.ui >> (LENGTH(tags) - arg->i));
+			} while (tagmask && !(shifted.ui & tagmask));
+	else // right circular shift
+		do {
+			shifted.ui = (shifted.ui >> (- arg->i)
+			   | shifted.ui << (LENGTH(tags) + arg->i));
+		} while (tagmask && !(shifted.ui & tagmask));
+
+	view(&shifted);
+}
+
 void
 destroynotify(XEvent *e)
 {