forked from mirror/dwm
this algorithm seems to keep order for any scenario
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parent
5056bb952d
commit
016c54196e
1 changed files with 41 additions and 14 deletions
55
view.c
55
view.c
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@ -4,6 +4,31 @@
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*/
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#include "dwm.h"
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/* static */
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static Client *
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getslot(Client *c)
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{
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unsigned int i, tic;
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Client *p;
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for(tic = 0; tic < ntags && !c->tags[tic]; tic++);
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for(p = clients; p; p = p->next) {
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for(i = 0; i < ntags && !p->tags[i]; i++);
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if(tic < i)
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return p;
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}
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return p;
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}
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static Client *
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tail()
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{
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Client *c;
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for(c = clients; c && c->next; c = c->next);
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return c;
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}
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/* extern */
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void (*arrange)(Arg *) = DEFMODE;
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@ -11,27 +36,29 @@ void (*arrange)(Arg *) = DEFMODE;
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void
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attach(Client *c)
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{
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Client *first = getnext(clients);
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Client *p;
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if(!first) {
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if(clients) {
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for(first = clients; first->next; first = first->next);
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first->next = c;
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c->prev = first;
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}
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else
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clients = c;
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if(!clients) {
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clients = c;
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return;
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}
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else if(first == clients) {
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if(!(p = getnext(clients)) && !(p = getslot(c))) {
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p = tail();
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c->prev = p;
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p->next = c;
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return;
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}
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if(p == clients) {
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c->next = clients;
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clients->prev = c;
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clients = c;
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}
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else {
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first->prev->next = c;
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c->prev = first->prev;
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first->prev = c;
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c->next = first;
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p->prev->next = c;
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c->prev = p->prev;
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p->prev = c;
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c->next = p;
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}
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}
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