dwm

my customized branch of dwm
git clone git://git.jakekoroman.com/dwm
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movestack.c (1230B)

      1 void
      2 movestack(const Arg *arg) {
      3 	Client *c = NULL, *p = NULL, *pc = NULL, *i;
      4 
      5 	if(arg->i > 0) {
      6 		/* find the client after selmon->sel */
      7 		for(c = selmon->sel->next; c && (!ISVISIBLE(c) || c->isfloating); c = c->next);
      8 		if(!c)
      9 			for(c = selmon->clients; c && (!ISVISIBLE(c) || c->isfloating); c = c->next);
     10 
     11 	}
     12 	else {
     13 		/* find the client before selmon->sel */
     14 		for(i = selmon->clients; i != selmon->sel; i = i->next)
     15 			if(ISVISIBLE(i) && !i->isfloating)
     16 				c = i;
     17 		if(!c)
     18 			for(; i; i = i->next)
     19 				if(ISVISIBLE(i) && !i->isfloating)
     20 					c = i;
     21 	}
     22 	/* find the client before selmon->sel and c */
     23 	for(i = selmon->clients; i && (!p || !pc); i = i->next) {
     24 		if(i->next == selmon->sel)
     25 			p = i;
     26 		if(i->next == c)
     27 			pc = i;
     28 	}
     29 
     30 	/* swap c and selmon->sel selmon->clients in the selmon->clients list */
     31 	if(c && c != selmon->sel) {
     32 		Client *temp = selmon->sel->next==c?selmon->sel:selmon->sel->next;
     33 		selmon->sel->next = c->next==selmon->sel?c:c->next;
     34 		c->next = temp;
     35 
     36 		if(p && p != c)
     37 			p->next = c;
     38 		if(pc && pc != selmon->sel)
     39 			pc->next = selmon->sel;
     40 
     41 		if(selmon->sel == selmon->clients)
     42 			selmon->clients = c;
     43 		else if(c == selmon->clients)
     44 			selmon->clients = selmon->sel;
     45 
     46 		arrange(selmon);
     47 	}
     48 }