movestack.c - dwm - dynamic window manager
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movestack.c (1231B)
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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 }