openbox/group.c

   1 #include "group.h"
   2 #include "client.h"
   3
   4 GHashTable *group_map = NULL;
   5
   6 static guint map_hash(Window *w) { return *w; }
   7 static gboolean map_key_comp(Window *w1, Window *w2) { return *w1 == *w2; }
   8
   9 void group_startup()
  10 {
  11     group_map = g_hash_table_new((GHashFunc)map_hash,
  12                                  (GEqualFunc)map_key_comp);
  13 }
  14
  15 void group_shutdown()
  16 {
  17     g_hash_table_destroy(group_map);
  18 }
  19
  20 ObGroup *group_add(Window leader, ObClient *client)
  21 {
  22     ObGroup *self;
  23
  24     self = g_hash_table_lookup(group_map, &leader);
  25     if (self == NULL) {
  26         self = g_new(ObGroup, 1);
  27         self->leader = leader;
  28         self->members = NULL;
  29         g_hash_table_insert(group_map, &self->leader, self);
  30     }
  31
  32     self->members = g_slist_append(self->members, client);
  33
  34     return self;
  35 }
  36
  37 void group_remove(ObGroup *self, ObClient *client)
  38 {
  39     self->members = g_slist_remove(self->members, client);
  40     if (self->members == NULL) {
  41         g_hash_table_remove(group_map, &self->leader);
  42         g_free(self);
  43     }
  44 }