/*! Pick a monitor to place a window on. */
static Rect* choose_monitor(ObClient *c, gboolean client_to_be_foregrounded,
ObAppSettings *settings)
{
Rect *area;
ObPlaceHead *choice;
guint i;
ObClient *p;
GSList *it;
choice = g_new(ObPlaceHead, screen_num_monitors);
for (i = 0; i < screen_num_monitors; ++i) {
choice[i].monitor = i;
choice[i].flags = 0;
}
/* find monitors with group members */
if (c->group) {
for (it = c->group->members; it; it = g_slist_next(it)) {
ObClient *itc = it->data;
if (itc != c) {
guint m = client_monitor(itc);
if (m < screen_num_monitors) {
if (screen_compare_desktops(itc->desktop, c->desktop))
choice[m].flags |= HEAD_GROUP_DESK;
else
choice[m].flags |= HEAD_GROUP;
}
}
}
}
i = screen_monitor_primary(FALSE);
if (i < screen_num_monitors) {
choice[i].flags |= HEAD_PRIMARY;
if (config_place_monitor == OB_PLACE_MONITOR_PRIMARY)
choice[i].flags |= HEAD_PLACED;
if (settings &&
settings->monitor_type == OB_PLACE_MONITOR_PRIMARY)
choice[i].flags |= HEAD_PERAPP;
}
i = screen_monitor_active();
if (i < screen_num_monitors) {
if (config_place_monitor == OB_PLACE_MONITOR_ACTIVE)
choice[i].flags |= HEAD_PLACED;
if (settings &&
settings->monitor_type == OB_PLACE_MONITOR_ACTIVE)
choice[i].flags |= HEAD_PERAPP;
}
i = screen_monitor_pointer();
if (i < screen_num_monitors) {
if (config_place_monitor == OB_PLACE_MONITOR_MOUSE)
choice[i].flags |= HEAD_PLACED;
if (settings &&
settings->monitor_type == OB_PLACE_MONITOR_MOUSE)
choice[i].flags |= HEAD_PERAPP;
}
if (settings) {
i = settings->monitor - 1;
if (i < screen_num_monitors)
choice[i].flags |= HEAD_PERAPP;
}
/* direct parent takes highest precedence */
if ((p = client_direct_parent(c))) {
i = client_monitor(p);
if (i < screen_num_monitors)
choice[i].flags |= HEAD_PARENT;
}
qsort(choice, screen_num_monitors, sizeof(ObPlaceHead),
client_to_be_foregrounded ? cmp_foreground : cmp_background);
/* save the areas of the monitors in order of their being chosen */
for (i = 0; i < screen_num_monitors; ++i)
{
ob_debug("placement choice %d is monitor %d", i, choice[i].monitor);
if (choice[i].flags & HEAD_PARENT)
ob_debug(" - parent on monitor");
if (choice[i].flags & HEAD_PLACED)
ob_debug(" - placement choice");
if (choice[i].flags & HEAD_PRIMARY)
ob_debug(" - primary monitor");
if (choice[i].flags & HEAD_GROUP_DESK)
ob_debug(" - group on same desktop");
if (choice[i].flags & HEAD_GROUP)
ob_debug(" - group on other desktop");
}
area = screen_area(c->desktop, choice[0].monitor, NULL);
g_free(choice);
/* return the area for the chosen monitor */
return area;
}
static void restack_windows(struct wm_client *selected, gboolean raise)
{
GList *it, *last, *below, *above, *next;
GList *wins = NULL;
GList *group_helpers = NULL;
GList *group_modals = NULL;
GList *group_trans = NULL;
GList *modals = NULL;
GList *trans = NULL;
if(raise) {
struct wm_client *p;
while(selected->modal && (p = client_direct_parent(selected)))
selected = p;
}
it = g_list_find(stacking_list, selected);
g_assert(it);
stacking_list = g_list_delete_link(stacking_list, it);
if(raise) {
for(it = g_list_last(stacking_list); it; it = next) {
next = g_list_previous(it);
if(WINDOW_IS_CLIENT(it->data)) {
struct wm_client *ch = it->data;
if(ch->layer == selected->layer && client_search_transient(selected, ch)) {
if(client_is_direct_child(selected, ch)) {
if(ch->modal)
modals = g_list_prepend(modals, ch);
else
trans = g_list_prepend(trans, ch);
} else if(client_helper(ch)) {
if(selected->transient) {
continue;
}
group_helpers = g_list_prepend(group_helpers, ch);
} else {
if(ch->modal)
group_modals = g_list_prepend(group_modals, ch);
else
group_trans = g_list_prepend(group_trans, ch);
}
stacking_list = g_list_delete_link(stacking_list, it);
}
}
}
}
wins = g_list_concat(modals, trans);
wins = g_list_concat(wins, group_helpers);
wins = g_list_append(wins, selected);
if(selected->transient_for_group) {
if(selected->modal) {
wins = g_list_concat(wins, group_modals);
group_modals = NULL;
}
wins = g_list_concat(wins, group_trans);
group_trans = NULL;
}
last = NULL;
for(it = g_list_last(stacking_list); it; it = g_list_previous(it)) {
if(window_layer(it->data) < selected->layer) {
last = it;
continue;
}
if(!raise)
break;
if(window_layer(it->data) > selected->layer)
break;
last = it;
}
below = last;
for(it = stacking_list; it; it = g_list_next(it)) {
if(window_layer(it->data) > selected->layer)
continue;
if(window_layer(it->data) < selected->layer)
break;
if(WINDOW_IS_CLIENT(it->data)) {
struct wm_client *c = it->data;
if(c->group == selected->group)
break;
}
if(it == below)
break;
}
above = it ? g_list_previous(it) : g_list_last(stacking_list);
if(below)
it = g_list_previous(below);
else
it = g_list_last(stacking_list);
for(; it != above; it = next) {
next = g_list_previous(it);
wins = g_list_prepend(wins, it->data);
stacking_list = g_list_delete_link(stacking_list, it);
}
wins = g_list_concat(group_trans, wins);
wins = g_list_concat(group_modals, wins);
do_restack(wins, below);
g_list_free(wins);
if(!raise && selected->parents) {
GSList *parents_copy, *sit;
GSList *reorder = NULL;
parents_copy = g_slist_copy(selected->parents);
for(it = g_list_last(stacking_list); it && parents_copy; it = g_list_previous(it))
if((sit = g_slist_find(parents_copy, it->data))) {
reorder = g_slist_prepend(reorder, sit->data);
parents_copy = g_slist_delete_link(parents_copy, sit);
}
g_assert(parents_copy == NULL);
for(sit = reorder; sit; sit = g_slist_next(sit))
restack_windows(sit->data, raise);
}
}