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void
movedir(const Arg *arg)
{
if (selmon->lt[selmon->sellt]->arrange != tile) return;
Client *s = selmon->sel, *f = NULL, *c, *next;
if (!s)
return;
unsigned int score = -1;
unsigned int client_score;
int dist;
int dirweight = 20;
int isfloating = s->isfloating;
next = s->next;
if (!next)
next = s->mon->clients;
for (c = next; c != s; c = next) {
next = c->next;
if (!next)
next = s->mon->clients;
if (!ISVISIBLE(c) || c->isfloating != isfloating)
continue;
switch (arg->i) {
case 0: // left
dist = s->x - c->x - c->w;
client_score =
dirweight * MIN(abs(dist), abs(dist + s->mon->ww)) +
abs(s->y - c->y);
break;
case 1: // right
dist = c->x - s->x - s->w;
client_score =
dirweight * MIN(abs(dist), abs(dist + s->mon->ww)) +
abs(c->y - s->y);
break;
case 2: // up
dist = s->y - c->y - c->h;
client_score =
dirweight * MIN(abs(dist), abs(dist + s->mon->wh)) +
abs(s->x - c->x);
break;
default:
case 3: // down
dist = c->y - s->y - s->h;
client_score =
dirweight * MIN(abs(dist), abs(dist + s->mon->wh)) +
abs(c->x - s->x);
break;
}
if (((arg->i == 0 || arg->i == 2) && client_score <= score) || client_score < score) {
score = client_score;
f = c;
}
}
if (!f || f == s)
return;
Client *ps = NULL, *pf = NULL, *p;
for (p = s->mon->clients; p; p = p->next) {
if (p->next == s) ps = p;
if (p->next == f) pf = p;
}
if (s->next == f) {
if (ps) ps->next = f; else s->mon->clients = f;
s->next = f->next;
f->next = s;
} else if (f->next == s) {
if (pf) pf->next = s; else s->mon->clients = s;
f->next = s->next;
s->next = f;
} else {
if (ps) ps->next = f; else s->mon->clients = f;
if (pf) pf->next = s; else s->mon->clients = s;
Client *tmp = s->next;
s->next = f->next;
f->next = tmp;
}
focus(s);
#if WARP_TO_CLIENT && WARP_TO_CENTER_OF_WINDOW_AFFECTED_BY_FOCUSSTACK
warptoclient(f);
#endif
arrange(s->mon);
}
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