10 GList *stacking_list = NULL;
12 void stacking_set_list()
14 Window *windows, *win_it;
16 guint size = g_list_length(stacking_list);
18 /* on shutdown, don't update the properties, so that we can read it back
19 in on startup and re-stack the windows as they were before we shut down
21 if (ob_state == State_Exiting) return;
23 /* create an array of the window ids (from bottom to top,
26 windows = g_new(Window, size);
28 for (it = g_list_last(stacking_list); it != NULL;
30 if (WINDOW_IS_CLIENT(it->data)) {
31 *win_it = WINDOW_AS_CLIENT(it->data)->window;
35 windows = win_it = NULL;
37 PROP_SETA32(ob_root, net_client_list_stacking, window,
38 (guint32*)windows, win_it - windows);
44 static void do_restack(GList *wins, GList *before)
50 /* pls only restack stuff in the same layer at a time */
51 for (it = wins; it; it = next) {
52 next = g_list_next(it);
54 g_assert (window_layer(it->data) == window_layer(next->data));
58 win = g_new(Window, g_list_length(wins) + 1);
60 if (before == stacking_list)
61 win[0] = focus_backup;
63 win[0] = window_top(g_list_last(stacking_list)->data);
65 win[0] = window_top(g_list_previous(before)->data);
67 for (i = 1, it = wins; it; ++i, it = g_list_next(it)) {
68 win[i] = window_top(it->data);
69 stacking_list = g_list_insert_before(stacking_list, before, it->data);
72 XRestackWindows(ob_display, win, i);
76 static void raise(GList *wins)
79 GList *layer[NUM_STACKLAYER] = {NULL};
82 for (it = wins; it; it = g_list_next(it)) {
85 l = window_layer(it->data);
86 layer[l] = g_list_append(layer[l], it->data);
90 for (i = NUM_STACKLAYER - 1; i >= 0; --i) {
92 for (; it; it = g_list_next(it)) {
93 /* look for the top of the layer */
94 if (window_layer(it->data) <= (StackLayer) i)
97 do_restack(layer[i], it);
98 g_list_free(layer[i]);
103 static void lower(GList *wins)
106 GList *layer[NUM_STACKLAYER] = {NULL};
109 for (it = wins; it; it = g_list_next(it)) {
112 l = window_layer(it->data);
113 layer[l] = g_list_append(layer[l], it->data);
117 for (i = NUM_STACKLAYER - 1; i >= 0; --i) {
119 for (; it; it = g_list_next(it)) {
120 /* look for the top of the next layer down */
121 if (window_layer(it->data) < (StackLayer) i)
124 do_restack(layer[i], it);
125 g_list_free(layer[i]);
130 static GList* pick_windows(ObWindow *win)
138 if (!WINDOW_IS_CLIENT(win)) {
139 ret = g_list_append(ret, win);
140 stacking_list = g_list_remove(stacking_list, win);
143 c = WINDOW_AS_CLIENT(win);
145 /* add transient children in their stacking order */
147 n = g_slist_length(c->transients);
148 for (it = stacking_list; i < n && it; it = next) {
149 next = g_list_next(it);
150 if ((sit = g_slist_find(c->transients, it->data))) {
152 ret = g_list_concat(ret, pick_windows(sit->data));
157 if (g_list_find(stacking_list, win)) {
158 ret = g_list_append(ret, win);
159 stacking_list = g_list_remove(stacking_list, win);
162 /* add group members in their stacking order */
164 for (it = stacking_list; it; it = next) {
165 next = g_list_next(it);
166 if ((sit = g_slist_find(c->group->members, it->data))) {
167 ret = g_list_append(ret, sit->data);
168 stacking_list = g_list_remove(stacking_list, sit->data);
173 if (c->transient_for && c->transient_for != TRAN_GROUP)
174 /* dont add it twice */
175 if (g_list_find(stacking_list, c->transient_for))
176 ret = g_list_concat(ret, pick_windows
177 (CLIENT_AS_WINDOW(c->transient_for)));
182 void stacking_raise(ObWindow *window)
186 wins = pick_windows(window);
190 void stacking_lower(ObWindow *window)
194 wins = pick_windows(window);
198 void stacking_add(ObWindow *win)
203 l = window_layer(win);
204 wins = g_list_append(NULL, win); /* list of 1 element */
206 for (it = stacking_list; it; it = g_list_next(it))
207 if (window_layer(it->data) <= l)
209 do_restack(wins, it);
215 void stacking_add_nonintrusive(ObWindow *win)
218 Client *parent = NULL;
219 GList *it_before = NULL;
221 if (!WINDOW_IS_CLIENT(win)) {
222 stacking_add(win); /* no special rules for others */
226 client = WINDOW_AS_CLIENT(win);
228 /* insert above its highest parent */
229 if (client->transient_for) {
230 if (client->transient_for != TRAN_GROUP) {
231 parent = client->transient_for;
237 for (it = stacking_list; !parent && it; it = it->next) {
238 if ((sit = g_slist_find(client->group->members, it->data)))
239 for (sit = client->group->members; !parent && sit;
241 Client *c = sit->data;
242 /* checking transient_for prevents infinate loops! */
243 if (sit->data == it->data && !c->transient_for)
250 if (!(it_before = g_list_find(stacking_list, parent))) {
251 /* no parent to put above, try find the focused client to go
253 if (focus_client && focus_client->layer == client->layer) {
254 if ((it_before = g_list_find(stacking_list, focus_client)))
255 it_before = it_before->next;
259 /* out of ideas, just add it normally... */
262 GList *wins = g_list_append(NULL, win);
263 do_restack(wins, it_before);