From 37afb79ac8abc9caa9ab2a7d655048315886fbfb Mon Sep 17 00:00:00 2001
From: Benjamin Chausse <benjamin@chausse.xyz>
Date: Mon, 22 Jul 2024 23:20:58 -0400
Subject: Implement movestack patch

https://codeberg.org/dwl/dwl-patches/src/branch/main/patches/movestack/movestack.patch
---
 config.def.h |  2 ++
 dwl.c        | 35 +++++++++++++++++++++++++++++++++++
 2 files changed, 37 insertions(+)

diff --git a/config.def.h b/config.def.h
index 22d2171..2c129f2 100644
--- a/config.def.h
+++ b/config.def.h
@@ -129,6 +129,8 @@ static const Key keys[] = {
 	{ MODKEY|WLR_MODIFIER_SHIFT, XKB_KEY_Return,     spawn,          {.v = termcmd} },
 	{ MODKEY,                    XKB_KEY_j,          focusstack,     {.i = +1} },
 	{ MODKEY,                    XKB_KEY_k,          focusstack,     {.i = -1} },
+	{ MODKEY|WLR_MODIFIER_SHIFT, XKB_KEY_J,          movestack,      {.i = +1} },
+	{ MODKEY|WLR_MODIFIER_SHIFT, XKB_KEY_K,          movestack,      {.i = -1} },
 	{ MODKEY,                    XKB_KEY_i,          incnmaster,     {.i = +1} },
 	{ MODKEY,                    XKB_KEY_d,          incnmaster,     {.i = -1} },
 	{ MODKEY,                    XKB_KEY_h,          setmfact,       {.f = -0.05f} },
diff --git a/dwl.c b/dwl.c
index 5bf995e..c497207 100644
--- a/dwl.c
+++ b/dwl.c
@@ -303,6 +303,7 @@ static void locksession(struct wl_listener *listener, void *data);
 static void mapnotify(struct wl_listener *listener, void *data);
 static void maximizenotify(struct wl_listener *listener, void *data);
 static void monocle(Monitor *m);
+static void movestack(const Arg *arg);
 static void motionabsolute(struct wl_listener *listener, void *data);
 static void motionnotify(uint32_t time, struct wlr_input_device *device, double sx,
 		double sy, double sx_unaccel, double sy_unaccel);
@@ -1783,6 +1784,40 @@ monocle(Monitor *m)
 		wlr_scene_node_raise_to_top(&c->scene->node);
 }
 
+void
+movestack(const Arg *arg)
+{
+    Client *c, *sel = focustop(selmon);
+
+    if (!sel) {
+        return;
+    }
+
+    if (wl_list_length(&clients) <= 1) {
+        return;
+    }
+
+    if (arg->i > 0) {
+        wl_list_for_each(c, &sel->link, link) {
+            if (VISIBLEON(c, selmon) || &c->link == &clients) {
+                break; /* found it */
+            }
+        }
+    } else {
+        wl_list_for_each_reverse(c, &sel->link, link) {
+            if (VISIBLEON(c, selmon) || &c->link == &clients) {
+                break; /* found it */
+            }
+        }
+        /* backup one client */
+        c = wl_container_of(c->link.prev, c, link);
+    }
+
+    wl_list_remove(&sel->link);
+    wl_list_insert(&c->link, &sel->link);
+    arrange(selmon);
+}
+
 void
 motionabsolute(struct wl_listener *listener, void *data)
 {
-- 
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