this algorithm seems to keep order for any scenario

This commit is contained in:
Anselm R. Garbe 2006-08-29 09:57:57 +02:00
parent 5056bb952d
commit 016c54196e

55
view.c
View file

@ -4,6 +4,31 @@
*/
#include "dwm.h"
/* static */
static Client *
getslot(Client *c)
{
unsigned int i, tic;
Client *p;
for(tic = 0; tic < ntags && !c->tags[tic]; tic++);
for(p = clients; p; p = p->next) {
for(i = 0; i < ntags && !p->tags[i]; i++);
if(tic < i)
return p;
}
return p;
}
static Client *
tail()
{
Client *c;
for(c = clients; c && c->next; c = c->next);
return c;
}
/* extern */
void (*arrange)(Arg *) = DEFMODE;
@ -11,27 +36,29 @@ void (*arrange)(Arg *) = DEFMODE;
void
attach(Client *c)
{
Client *first = getnext(clients);
Client *p;
if(!first) {
if(clients) {
for(first = clients; first->next; first = first->next);
first->next = c;
c->prev = first;
}
else
clients = c;
if(!clients) {
clients = c;
return;
}
else if(first == clients) {
if(!(p = getnext(clients)) && !(p = getslot(c))) {
p = tail();
c->prev = p;
p->next = c;
return;
}
if(p == clients) {
c->next = clients;
clients->prev = c;
clients = c;
}
else {
first->prev->next = c;
c->prev = first->prev;
first->prev = c;
c->next = first;
p->prev->next = c;
c->prev = p->prev;
p->prev = c;
c->next = p;
}
}