11 GList *stacking_list = NULL;
13 void stacking_set_list()
15 Window *windows = NULL;
19 /* on shutdown, don't update the properties, so that we can read it back
20 in on startup and re-stack the windows as they were before we shut down
22 if (ob_state == OB_STATE_EXITING) return;
24 /* create an array of the window ids (from bottom to top,
27 windows = g_new(Window, g_list_length(stacking_list));
28 for (it = g_list_last(stacking_list); it; it = g_list_previous(it)) {
29 if (WINDOW_IS_CLIENT(it->data))
30 windows[i++] = WINDOW_AS_CLIENT(it->data)->window;
34 PROP_SETA32(ob_root, net_client_list_stacking, window,
35 (guint32*)windows, i);
40 static void do_restack(GList *wins, GList *before)
46 /* pls only restack stuff in the same layer at a time */
47 for (it = wins; it; it = next) {
48 next = g_list_next(it);
50 g_assert (window_layer(it->data) == window_layer(next->data));
54 win = g_new(Window, g_list_length(wins) + 1);
56 if (before == stacking_list)
57 win[0] = screen_support_win;
59 win[0] = window_top(g_list_last(stacking_list)->data);
61 win[0] = window_top(g_list_previous(before)->data);
63 for (i = 1, it = wins; it; ++i, it = g_list_next(it)) {
64 win[i] = window_top(it->data);
65 g_assert(win[i] != None); /* better not call stacking shit before
66 setting your top level window value */
67 stacking_list = g_list_insert_before(stacking_list, before, it->data);
70 /* XXX some debug checking of the stacking list's order */
71 for (it = stacking_list; ; it = next) {
72 next = g_list_next(it);
74 g_assert(window_layer(it->data) >= window_layer(next->data));
77 XRestackWindows(ob_display, win, i);
83 static void do_raise(GList *wins)
86 GList *layer[OB_NUM_STACKING_LAYERS] = {NULL};
89 for (it = wins; it; it = g_list_next(it)) {
92 l = window_layer(it->data);
93 layer[l] = g_list_append(layer[l], it->data);
97 for (i = OB_NUM_STACKING_LAYERS - 1; i >= 0; --i) {
99 for (; it; it = g_list_next(it)) {
100 /* look for the top of the layer */
101 if (window_layer(it->data) <= (ObStackingLayer) i)
104 do_restack(layer[i], it);
105 g_list_free(layer[i]);
110 static void do_lower(GList *wins)
113 GList *layer[OB_NUM_STACKING_LAYERS] = {NULL};
116 for (it = wins; it; it = g_list_next(it)) {
119 l = window_layer(it->data);
120 layer[l] = g_list_append(layer[l], it->data);
124 for (i = OB_NUM_STACKING_LAYERS - 1; i >= 0; --i) {
126 for (; it; it = g_list_next(it)) {
127 /* look for the top of the next layer down */
128 if (window_layer(it->data) < (ObStackingLayer) i)
131 do_restack(layer[i], it);
132 g_list_free(layer[i]);
137 static GList *pick_windows(ObClient *top, ObClient *selected, gboolean raise)
140 GList *it, *next, *prev;
143 GList *modals = NULL;
145 GList *modal_sel_it = NULL; /* the selected guy if modal */
146 GList *trans_sel_it = NULL; /* the selected guy if not */
148 /* remove first so we can't run into ourself */
149 stacking_list = g_list_remove(stacking_list, top);
152 n = g_slist_length(top->transients);
153 for (it = stacking_list; i < n && it; it = next) {
154 prev = g_list_previous(it);
155 next = g_list_next(it);
157 if ((sit = g_slist_find(top->transients, it->data))) {
158 ObClient *c = sit->data;
164 trans = g_list_concat(trans,
165 pick_windows(c, selected, raise));
167 g_assert(modal_sel_it == NULL);
168 g_assert(trans_sel_it == NULL);
169 trans_sel_it = pick_windows(c, selected, raise);
173 modals = g_list_concat(modals,
174 pick_windows(c, selected, raise));
176 g_assert(modal_sel_it == NULL);
177 g_assert(trans_sel_it == NULL);
178 modal_sel_it = pick_windows(c, selected, raise);
181 /* if we dont have a prev then start back at the beginning,
182 otherwise skip back to the prev's next */
183 next = prev ? g_list_next(prev) : stacking_list;
187 ret = g_list_concat((raise ? modal_sel_it : modals),
188 (raise ? modals : modal_sel_it));
190 ret = g_list_concat(ret, (raise ? trans_sel_it : trans));
191 ret = g_list_concat(ret, (raise ? trans : trans_sel_it));
195 ret = g_list_append(ret, top);
200 static GList *pick_group_windows(ObClient *top, ObClient *selected, gboolean raise)
203 GList *it, *next, *prev;
207 /* add group members in their stacking order */
210 n = g_slist_length(top->group->members) - 1;
211 for (it = stacking_list; i < n && it; it = next) {
212 prev = g_list_previous(it);
213 next = g_list_next(it);
215 if ((sit = g_slist_find(top->group->members, it->data))) {
217 ret = g_list_concat(ret,
218 pick_windows(sit->data, selected, raise));
219 /* if we dont have a prev then start back at the beginning,
220 otherwise skip back to the prev's next */
221 next = prev ? g_list_next(prev) : stacking_list;
228 void stacking_raise(ObWindow *window)
232 if (WINDOW_IS_CLIENT(window)) {
235 selected = WINDOW_AS_CLIENT(window);
236 c = client_search_top_transient(selected);
237 wins = pick_windows(c, selected, TRUE);
238 wins = g_list_concat(wins, pick_group_windows(c, selected, TRUE));
240 wins = g_list_append(NULL, window);
241 stacking_list = g_list_remove(stacking_list, window);
247 void stacking_lower(ObWindow *window)
251 if (WINDOW_IS_CLIENT(window)) {
254 selected = WINDOW_AS_CLIENT(window);
255 c = client_search_top_transient(selected);
256 wins = pick_windows(c, selected, FALSE);
257 wins = g_list_concat(pick_group_windows(c, selected, FALSE), wins);
259 wins = g_list_append(NULL, window);
260 stacking_list = g_list_remove(stacking_list, window);
266 void stacking_add(ObWindow *win)
271 g_assert(screen_support_win != None); /* make sure I dont break this in the
274 l = window_layer(win);
275 wins = g_list_append(NULL, win); /* list of 1 element */
277 stacking_list = g_list_append(stacking_list, win);
281 void stacking_add_nonintrusive(ObWindow *win)
284 ObClient *parent = NULL;
285 GList *it_before = NULL;
287 if (!WINDOW_IS_CLIENT(win)) {
288 stacking_add(win); /* no special rules for others */
292 client = WINDOW_AS_CLIENT(win);
294 /* insert above its highest parent */
295 if (client->transient_for) {
296 if (client->transient_for != OB_TRAN_GROUP) {
297 parent = client->transient_for;
303 for (it = stacking_list; !parent && it; it = it->next) {
304 if ((sit = g_slist_find(client->group->members, it->data)))
305 for (sit = client->group->members; !parent && sit;
307 ObClient *c = sit->data;
308 /* checking transient_for prevents infinate loops! */
309 if (sit->data == it->data && !c->transient_for)
316 if (!(it_before = g_list_find(stacking_list, parent))) {
317 /* no parent to put above, try find the focused client to go
319 if (focus_client && focus_client->layer == client->layer) {
320 if ((it_before = g_list_find(stacking_list, focus_client)))
321 it_before = it_before->next;
325 /* out of ideas, just add it normally... */
328 GList *wins = g_list_append(NULL, win);
329 do_restack(wins, it_before);