17 Client *focus_client = NULL;
18 GList **focus_order = NULL; /* these lists are created when screen_startup
19 sets the number of desktops */
21 Window focus_backup = None;
23 static gboolean noreorder = 0;
27 /* create the window which gets focus when no clients get it. Have to
28 make it override-redirect so we don't try manage it, since it is
30 XSetWindowAttributes attrib;
34 attrib.override_redirect = TRUE;
35 focus_backup = XCreateWindow(ob_display, ob_root,
37 CopyFromParent, InputOutput, CopyFromParent,
38 CWOverrideRedirect, &attrib);
39 XMapWindow(ob_display, focus_backup);
40 stacking_raise_internal(focus_backup);
42 /* start with nothing focused */
43 focus_set_client(NULL);
50 for (i = 0; i < screen_num_desktops; ++i)
51 g_list_free(focus_order[i]);
55 XDestroyWindow(ob_display, focus_backup);
57 /* reset focus to root */
58 XSetInputFocus(ob_display, PointerRoot, RevertToPointerRoot,
62 static void push_to_top(Client *client)
66 desktop = client->desktop;
67 if (desktop == DESKTOP_ALL) desktop = screen_desktop;
68 focus_order[desktop] = g_list_remove(focus_order[desktop], client);
69 focus_order[desktop] = g_list_prepend(focus_order[desktop], client);
72 void focus_set_client(Client *client)
77 /* uninstall the old colormap, and install the new one */
78 screen_install_colormap(focus_client, FALSE);
79 screen_install_colormap(client, TRUE);
82 /* when nothing will be focused, send focus to the backup target */
83 XSetInputFocus(ob_display, focus_backup, RevertToPointerRoot,
85 XSync(ob_display, FALSE);
89 focus_client = client;
91 /* move to the top of the list */
94 else if (client != NULL)
97 /* set the NET_ACTIVE_WINDOW hint */
98 active = client ? client->window : None;
99 PROP_SET32(ob_root, net_active_window, window, active);
101 if (focus_client != NULL)
102 dispatch_client(Event_Client_Focus, focus_client, 0, 0);
104 dispatch_client(Event_Client_Unfocus, old, 0, 0);
107 static gboolean focus_under_pointer()
112 if (ob_pointer_pos(&x, &y)) {
113 for (it = stacking_list; it != NULL; it = it->next) {
114 Client *c = it->data;
115 if (c->desktop == screen_desktop &&
116 RECT_CONTAINS(c->frame->area, x, y))
120 return client_normal(it->data) && client_focus(it->data);
125 /* finds the first transient that isn't 'skip' and ensure's that client_normal
127 static Client *find_transient_recursive(Client *c, Client *top, Client *skip)
132 for (it = c->transients; it; it = it->next) {
133 g_message("looking");
134 if (it->data == top) return NULL;
135 ret = find_transient_recursive(it->data, top, skip);
136 if (ret && ret != skip && client_normal(ret)) return ret;
137 if (it->data != skip && client_normal(it->data)) return it->data;
138 g_message("not found");
143 static gboolean focus_fallback_transient(Client *top, Client *old)
145 Client *target = find_transient_recursive(top, top, old);
147 /* make sure client_normal is true always */
148 if (!client_normal(top))
150 target = top; /* no transient, keep the top */
152 return client_focus(target);
155 void focus_fallback(FallbackType type)
162 /* unfocus any focused clients.. they can be focused by Pointer events
163 and such, and then when I try focus them, I won't get a FocusIn event
166 focus_set_client(NULL);
168 if (!(type == Fallback_Desktop ?
169 config_focus_last_on_desktop : config_focus_last)) {
170 if (config_focus_follow) focus_under_pointer();
174 if (type == Fallback_Unfocusing && old) {
175 /* try for transient relations */
176 if (old->transient_for) {
177 if (old->transient_for == TRAN_GROUP) {
178 for (it = focus_order[screen_desktop]; it; it = it->next) {
181 for (sit = old->group->members; sit; sit = sit->next)
182 if (sit->data == it->data)
183 if (focus_fallback_transient(sit->data, old))
187 if (focus_fallback_transient(old->transient_for, old))
192 /* try for group relations */
196 for (it = focus_order[screen_desktop]; it != NULL; it = it->next)
197 for (sit = old->group->members; sit; sit = sit->next)
198 if (sit->data == it->data)
199 if (sit->data != old && client_normal(sit->data) &&
200 client_focus(sit->data))
205 for (it = focus_order[screen_desktop]; it != NULL; it = it->next)
206 if (type != Fallback_Unfocusing || it->data != old)
207 if (client_normal(it->data) && client_focus(it->data))
210 /* nothing to focus */
211 focus_set_client(NULL);
214 Client *focus_cycle(gboolean forward, gboolean linear, gboolean done,
217 static Client *first = NULL;
218 static Client *t = NULL;
219 static GList *order = NULL;
220 GList *it, *start, *list;
224 if (first) client_focus(first);
228 push_to_top(focus_client); /* move to top of focus_order */
229 stacking_raise(focus_client);
233 if (!first) first = focus_client;
235 if (linear) list = client_list;
236 else list = focus_order[screen_desktop];
238 start = it = g_list_find(list, focus_client);
239 if (!start) /* switched desktops or something? */
240 start = it = forward ? g_list_last(list) : g_list_first(list);
241 if (!start) goto done_cycle;
246 if (it == NULL) it = list;
249 if (it == NULL) it = g_list_last(list);
251 ft = client_focus_target(it->data);
252 if (ft == it->data && focus_client != ft && client_normal(ft) &&
254 noreorder++; /* avoid reordering the focus_order */
257 } while (it != start);