8 static Rect* pick_head(ObClient *c)
10 /* try direct parent first */
11 if (c->transient_for && c->transient_for != OB_TRAN_GROUP) {
12 return screen_area_monitor(c->desktop,
13 client_monitor(c->transient_for));
16 /* more than one guy in his group (more than just him) */
17 if (c->group && c->group->members->next) {
20 /* try on the client's desktop */
21 for (it = c->group->members; it; it = g_slist_next(it)) {
22 ObClient *itc = it->data;
24 (itc->desktop == c->desktop ||
25 itc->desktop == DESKTOP_ALL || c->desktop == DESKTOP_ALL))
26 return screen_area_monitor(c->desktop,
27 client_monitor(it->data));
30 /* try on all desktops */
31 for (it = c->group->members; it; it = g_slist_next(it)) {
32 ObClient *itc = it->data;
34 return screen_area_monitor(c->desktop,
35 client_monitor(it->data));
42 static gboolean place_random(ObClient *client, gint *x, gint *y)
47 area = pick_head(client);
49 area = screen_area_monitor(client->desktop,
50 g_random_int_range(0, screen_num_monitors));
54 r = area->x + area->width - client->frame->area.width;
55 b = area->y + area->height - client->frame->area.height;
57 if (r > l) *x = g_random_int_range(l, r + 1);
59 if (b > t) *y = g_random_int_range(t, b + 1);
65 static GSList* area_add(GSList *list, Rect *a)
67 Rect *r = g_new(Rect, 1);
69 return g_slist_prepend(list, r);
72 static GSList* area_remove(GSList *list, Rect *a)
75 GSList *result = NULL;
77 for (sit = list; sit; sit = g_slist_next(sit)) {
80 if (!RECT_INTERSECTS_RECT(*r, *a)) {
81 result = g_slist_prepend(result, r);
82 r = NULL; /* dont free it */
86 /* Use an intersection of a and r to determine the space
87 around r that we can use.
89 NOTE: the spaces calculated can overlap.
92 RECT_SET_INTERSECTION(isect, *r, *a);
94 if (RECT_LEFT(isect) > RECT_LEFT(*r)) {
95 RECT_SET(extra, r->x, r->y,
96 RECT_LEFT(isect) - r->x, r->height);
97 result = area_add(result, &extra);
100 if (RECT_TOP(isect) > RECT_TOP(*r)) {
101 RECT_SET(extra, r->x, r->y,
102 r->width, RECT_TOP(isect) - r->y + 1);
103 result = area_add(result, &extra);
106 if (RECT_RIGHT(isect) < RECT_RIGHT(*r)) {
107 RECT_SET(extra, RECT_RIGHT(isect) + 1, r->y,
108 RECT_RIGHT(*r) - RECT_RIGHT(isect), r->height);
109 result = area_add(result, &extra);
112 if (RECT_BOTTOM(isect) < RECT_BOTTOM(*r)) {
113 RECT_SET(extra, r->x, RECT_BOTTOM(isect) + 1,
114 r->width, RECT_BOTTOM(*r) - RECT_BOTTOM(isect));
115 result = area_add(result, &extra);
125 static gint area_cmp(gconstpointer p1, gconstpointer p2, gpointer data)
128 const Rect *a1 = p1, *a2 = p2;
130 return MIN((a1->width - carea->width), (a1->height - carea->height)) -
131 MIN((a2->width - carea->width), (a2->height - carea->height));
134 static gboolean place_smart(ObClient *client, gint *x, gint *y,
135 gboolean only_focused)
138 gboolean ret = FALSE;
139 GSList *spaces = NULL, *sit;
142 list = focus_order[client->desktop == DESKTOP_ALL ?
143 screen_desktop : client->desktop];
145 for (i = 0; i < screen_num_monitors; ++i)
146 spaces = area_add(spaces, screen_area_monitor(client->desktop, i));
148 for (it = list; it; it = g_list_next(it)) {
149 ObClient *c = it->data;
151 if (c != client && !c->shaded && client_normal(c)) {
152 spaces = area_remove(spaces, &c->frame->area);
158 spaces = g_slist_sort_with_data(spaces, area_cmp, &client->frame->area);
160 for (sit = spaces; sit; sit = g_slist_next(sit)) {
164 if (r->width >= client->frame->area.width &&
165 r->height >= client->frame->area.height) {
168 *x = r->x + (r->width - client->frame->area.width) / 2;
169 *y = r->y + (r->height - client->frame->area.height) / 2;
179 g_slist_free(spaces);
184 static gboolean place_under_mouse(ObClient *client, gint *x, gint *y)
191 screen_pointer_pos(&px, &py);
193 for (i = 0; i < screen_num_monitors; ++i) {
194 area = screen_area_monitor(client->desktop, i);
195 if (RECT_CONTAINS(*area, px, py))
198 if (i == screen_num_monitors)
199 area = screen_area_monitor(client->desktop, 0);
203 r = area->x + area->width - client->frame->area.width;
204 b = area->y + area->height - client->frame->area.height;
206 *x = px - client->area.width / 2 - client->frame->size.left;
207 *x = MIN(MAX(*x, l), r);
208 *y = py - client->area.height / 2 - client->frame->size.top;
209 *y = MIN(MAX(*y, t), b);
214 static gboolean place_transient(ObClient *client, gint *x, gint *y)
216 if (client->transient_for) {
217 if (client->transient_for != OB_TRAN_GROUP) {
218 ObClient *c = client;
219 ObClient *p = client->transient_for;
220 *x = (p->frame->area.width - c->frame->area.width) / 2 +
222 *y = (p->frame->area.height - c->frame->area.height) / 2 +
227 gboolean first = TRUE;
229 for (it = client->group->members; it; it = it->next) {
230 ObClient *m = it->data;
231 if (!(m == client || m->transient_for)) {
233 l = RECT_LEFT(m->frame->area);
234 t = RECT_TOP(m->frame->area);
235 r = RECT_RIGHT(m->frame->area);
236 b = RECT_BOTTOM(m->frame->area);
239 l = MIN(l, RECT_LEFT(m->frame->area));
240 t = MIN(t, RECT_TOP(m->frame->area));
241 r = MAX(r, RECT_RIGHT(m->frame->area));
242 b = MAX(b, RECT_BOTTOM(m->frame->area));
247 *x = ((r + 1 - l) - client->frame->area.width) / 2 + l;
248 *y = ((b + 1 - t) - client->frame->area.height) / 2 + t;
256 static gboolean place_dialog(ObClient *client, gint *x, gint *y)
258 /* center parentless dialogs on the screen */
259 if (client->type == OB_CLIENT_TYPE_DIALOG) {
262 area = pick_head(client);
264 area = screen_area_monitor(client->desktop, 0);
266 *x = (area->width - client->frame->area.width) / 2 + area->x;
267 *y = (area->height - client->frame->area.height) / 2 + area->y;
273 void place_client(ObClient *client, gint *x, gint *y)
275 if (client->positioned)
277 if (place_transient(client, x, y) ||
278 place_dialog(client, x, y) ||
279 place_smart(client, x, y, FALSE) ||
280 place_smart(client, x, y, TRUE) ||
281 (config_focus_follow ?
282 place_under_mouse(client, x, y) :
283 place_random(client, x, y)))
285 /* get where the client should be */
286 frame_frame_gravity(client->frame, x, y);
288 g_assert_not_reached(); /* the last one better succeed */