movestacked

1 files changed, 43 insertions, 0 deletions

diff --git a/dwl.c b/dwl.c
index ff5ae97..a8021f8 100644
--- a/dwl.c
+++ b/dwl.c
@@ -340,6 +340,7 @@ 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);
@@ -2057,6 +2058,48 @@ monocle(Monitor *m)
 }
 
 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 (&c->link == &clients) {
+				c = wl_container_of(&clients, c, link);
+				break; /* wrap past the sentinel node */
+			}
+			if (VISIBLEON(c, selmon) || &c->link == &clients) {
+				break; /* found it */
+			}
+		}
+	} else {
+		wl_list_for_each_reverse(c, &sel->link, link) {
+			if (&c->link == &clients) {
+				c = wl_container_of(&clients, c, link);
+				break; /* wrap past the sentinel node */
+			}
+			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)
 {
 	/* This event is forwarded by the cursor when a pointer emits an _absolute_