Begin preset

src/config.h

@@ -35,6 +35,7 @@ static const struct { char *name; void (*func)(Uicb cmd); } uicb_list[] =
      { "layout_hmirror",      uicb_layout_hmirror },
      { "layout_rotate_left",  uicb_layout_rotate_left },
      { "layout_rotate_right", uicb_layout_rotate_right },
+     { "layout_prev_set",     uicb_layout_prev_set },
 
      /* Client */
      { "client_close",         uicb_client_close },

src/layout.c

@@ -29,7 +29,7 @@ layout_save_set(struct tag *t)
 
      l->n = n;
 
-     SLIST_INSERT_HEAD(&t->sets, l, next);
+     TAILQ_INSERT_TAIL(&t->sets, l, next);
 }
 
 static void
@@ -39,14 +39,14 @@ layout_apply_set(struct tag *t, struct layout_set *l)
      struct client *c, cc;
 
      for(g = SLIST_FIRST(&l->geos), c = SLIST_FIRST(&t->clients);
-         c;
-         c = SLIST_NEXT(c, tnext), g = SLIST_NEXT(g, next))
+         c; c = SLIST_NEXT(c, tnext))
      {
           if(g)
           {
                if(!client_winsize(c, &g->geo, &c->wgeo))
                     client_moveresize(c, &g->geo);
 
+               g = SLIST_NEXT(g, next);
           }
           /*
            * Not enough geos in the set;
@@ -61,18 +61,14 @@ layout_apply_set(struct tag *t, struct layout_set *l)
       * arrange clients with not set geo.
       */
      if(g)
-     {
-          cc.tag = t;
-          while(g)
+          for(cc.tag = t; g; g = SLIST_NEXT(g, next))
           {
                cc.geo = g->geo;
                layout_split_arrange_closed(&cc);
-               g = SLIST_NEXT(g, next);
           }
-     }
 
      /* Re-insert set in historic */
-     SLIST_INSERT_HEAD(&t->sets, l, next);
+     TAILQ_INSERT_TAIL(&t->sets, l, next);
 }
 
 
@@ -81,10 +77,9 @@ layout_free_set(struct tag *t)
 {
      struct layout_set *l;
 
-     while(!SLIST_EMPTY(&t->sets))
+     TAILQ_FOREACH(l, &t->sets, next)
      {
-          l = SLIST_FIRST(&t->sets);
-          SLIST_REMOVE_HEAD(&t->sets, next);
+          TAILQ_REMOVE(&t->sets, l, next);
 
           /* Set can be several times in list */
           if(l)
@@ -95,6 +90,18 @@ layout_free_set(struct tag *t)
      }
 }
 
+void
+uicb_layout_prev_set(Uicb cmd)
+{
+     struct layout_set *l;
+     struct tag *t = W->screen->seltag;
+     (void)cmd;
+
+     if(!TAILQ_EMPTY(&t->sets)
+               && (l = TAILQ_PREV(TAILQ_LAST(&t->sets, ssub), ssub, next)))
+          layout_apply_set(t, l);
+}
+
 static struct geo
 layout_split(struct client *c, bool vertical)
 {

src/layout.h

@@ -37,6 +37,8 @@ void uicb_layout_vmirror(Uicb cmd);
 void uicb_layout_hmirror(Uicb cmd);
 void uicb_layout_rotate_left(Uicb cmd);
 void uicb_layout_rotate_right(Uicb cmd);
+void uicb_layout_prev_set(Uicb cmd);
+
 
 #endif /* LAYOUT_H */
 

src/tag.c

@@ -45,7 +45,7 @@ tag_new(struct screen *s, char *name)
                               &at);
 
      SLIST_INIT(&t->clients);
-     SLIST_INIT(&t->sets);
+     TAILQ_INIT(&t->sets);
 
      TAILQ_INSERT_TAIL(&s->tags, t, next);
 

src/wmfs.h

@@ -130,7 +130,7 @@ struct tag
      Flags flags;
      Window frame;
      SLIST_HEAD(, client) clients;
-     SLIST_HEAD(, layout_set) sets;
+     TAILQ_HEAD(ssub, layout_set) sets;
      TAILQ_ENTRY(tag) next;
 };
 
@@ -155,7 +155,7 @@ struct layout_set
 {
      int n;
      SLIST_HEAD(, geo_list) geos;
-     SLIST_ENTRY(layout_set) next;
+     TAILQ_ENTRY(layout_set) next;
 };
 
 struct keybind