From 642f07b19e402390c6a59e78ed9d1a5ab1c806f1 Mon Sep 17 00:00:00 2001
From: nirav <nirav@airmail.cc>
Date: Tue, 11 Feb 2020 16:00:43 +0000
Subject: Add movestack

---
 README   |  1 +
 config.h |  2 ++
 dwm.c    | 51 +++++++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 54 insertions(+)

diff --git a/README b/README
index b6eec2f..45a7646 100644
--- a/README
+++ b/README
@@ -54,3 +54,4 @@ noborder - https://dwm.suckless.org/patches/noborder/
 pertag - https://dwm.suckless.org/patches/pertag/
 attachaside - https://dwm.suckless.org/patches/attachaside/
 scratchpad - https://dwm.suckless.org/patches/scratchpad/
+movestack - https://dwm.suckless.org/patches/movestack/
diff --git a/config.h b/config.h
index 6395644..ce83335 100644
--- a/config.h
+++ b/config.h
@@ -99,6 +99,8 @@ static Key keys[] = {
 	{ MODKEY,             		XK_a,      shiftview,      {.i = -1} },
 	{ MODKEY,             		XK_d,      shiftview,      {.i = +1} },
 	{ MODKEY,                       XK_minus,  togglescratch,  {.v = scratchpadcmd } },
+	{ MODKEY|ShiftMask,             XK_j,      movestack,      {.i = +1 } },
+	{ MODKEY|ShiftMask,             XK_k,      movestack,      {.i = -1 } },
 };
 
 /* button definitions */
diff --git a/dwm.c b/dwm.c
index 2a0ef46..f5de1b0 100644
--- a/dwm.c
+++ b/dwm.c
@@ -240,6 +240,7 @@ static int xerrordummy(Display *dpy, XErrorEvent *ee);
 static int xerrorstart(Display *dpy, XErrorEvent *ee);
 static void zoom(const Arg *arg);
 static void shiftview(const Arg *arg);
+static void movestack(const Arg *arg);
 
 /* variables */
 static const char broken[] = "broken";
@@ -2281,6 +2282,56 @@ shiftview(const Arg *arg) {
 	view(&shifted);
 }
 
+void
+movestack(const Arg *arg) {
+	Client *c = NULL, *p = NULL, *pc = NULL, *i;
+
+	if(arg->i > 0) {
+		/* find the client after selmon->sel */
+		for(c = selmon->sel->next; c && (!ISVISIBLE(c) || c->isfloating); c = c->next);
+		if(!c)
+			for(c = selmon->clients; c && (!ISVISIBLE(c) || c->isfloating); c = c->next);
+
+	}
+	else {
+		/* find the client before selmon->sel */
+		for(i = selmon->clients; i != selmon->sel; i = i->next)
+			if(ISVISIBLE(i) && !i->isfloating)
+				c = i;
+		if(!c)
+			for(; i; i = i->next)
+				if(ISVISIBLE(i) && !i->isfloating)
+					c = i;
+	}
+	/* find the client before selmon->sel and c */
+	for(i = selmon->clients; i && (!p || !pc); i = i->next) {
+		if(i->next == selmon->sel)
+			p = i;
+		if(i->next == c)
+			pc = i;
+	}
+
+	/* swap c and selmon->sel selmon->clients in the selmon->clients list */
+	if(c && c != selmon->sel) {
+		Client *temp = selmon->sel->next==c?selmon->sel:selmon->sel->next;
+		selmon->sel->next = c->next==selmon->sel?c:c->next;
+		c->next = temp;
+
+		if(p && p != c)
+			p->next = c;
+		if(pc && pc != selmon->sel)
+			pc->next = selmon->sel;
+
+		if(selmon->sel == selmon->clients)
+			selmon->clients = c;
+		else if(c == selmon->clients)
+			selmon->clients = selmon->sel;
+
+		arrange(selmon);
+	}
+}
+
+
 int
 main(int argc, char *argv[])
 {
-- 
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