7 static Rect* pick_head(ObClient *c)
9 /* try direct parent first */
10 if (c->transient_for && c->transient_for != OB_TRAN_GROUP) {
11 return screen_area_monitor(c->desktop,
12 client_monitor(c->transient_for));
15 /* more than one guy in his group (more than just him) */
16 if (c->group && c->group->members->next) {
19 /* try on the client's desktop */
20 for (it = c->group->members; it; it = g_slist_next(it)) {
21 ObClient *itc = it->data;
23 (itc->desktop == c->desktop ||
24 itc->desktop == DESKTOP_ALL || c->desktop == DESKTOP_ALL))
25 return screen_area_monitor(c->desktop,
26 client_monitor(it->data));
29 /* try on all desktops */
30 for (it = c->group->members; it; it = g_slist_next(it)) {
31 ObClient *itc = it->data;
33 return screen_area_monitor(c->desktop,
34 client_monitor(it->data));
41 static gboolean place_random(ObClient *client, gint *x, gint *y)
46 area = pick_head(client);
48 area = screen_area_monitor(client->desktop,
49 g_random_int_range(0, screen_num_monitors));
53 r = area->x + area->width - client->frame->area.width;
54 b = area->y + area->height - client->frame->area.height;
56 if (r > l) *x = g_random_int_range(l, r + 1);
58 if (b > t) *y = g_random_int_range(t, b + 1);
61 /* get where the client should be */
62 frame_frame_gravity(client->frame, x, y);
67 static GSList* area_add(GSList *list, Rect *a)
69 Rect *r = g_new(Rect, 1);
71 return g_slist_prepend(list, r);
75 static GSList* area_remove(GSList *list, Rect *a)
78 GSList *result = NULL;
80 for (sit = list; sit; sit = g_slist_next(sit)) {
83 if (!RECT_INTERSECTS_RECT(*r, *a)) {
84 result = g_slist_prepend(result, r);
85 r = NULL; /* dont free it */
89 /* Use an intersection of win and curr to determine the space
90 around curr that we can use.
92 NOTE: the spaces calculated can overlap.
95 RECT_SET_INTERSECTION(isect, *r, *a);
97 if (RECT_LEFT(isect) > RECT_LEFT(*r)) {
98 RECT_SET(extra, r->x, r->y,
99 RECT_LEFT(isect) - r->x, r->height);
100 result = area_add(result, &extra);
103 if (RECT_TOP(isect) > RECT_TOP(*r)) {
104 RECT_SET(extra, r->x, r->y,
105 r->width, RECT_TOP(isect) - r->y + 1);
106 result = area_add(result, &extra);
109 if (RECT_RIGHT(isect) < RECT_RIGHT(*r)) {
110 RECT_SET(extra, RECT_RIGHT(isect) + 1, r->y,
111 RECT_RIGHT(*r) - RECT_RIGHT(isect), r->height);
112 result = area_add(result, &extra);
115 if (RECT_BOTTOM(isect) < RECT_BOTTOM(*r)) {
116 RECT_SET(extra, r->x, RECT_BOTTOM(isect) + 1,
117 r->width, RECT_BOTTOM(*r) - RECT_BOTTOM(isect));
118 result = area_add(result, &extra);
128 static gint area_cmp(gconstpointer p1, gconstpointer p2)
131 const Rect *a1 = p1, *a2 = p2;
133 ret = RECT_BOTTOM(*a1) - RECT_BOTTOM(*a2);
135 ret = RECT_LEFT(*a1) - RECT_LEFT(*a2);
139 static gboolean place_smart(ObClient *client, gint *x, gint *y)
142 gboolean ret = FALSE;
143 GSList *spaces, *sit;
146 list = focus_order[client->desktop == DESKTOP_ALL ?
147 screen_desktop : client->desktop];
149 for (i = 0; i < screen_num_monitors; ++i)
150 spaces = area_add(spaces, screen_area_monitor(client->desktop, i));
152 for (it = list; it; it = g_list_next(it)) {
153 ObClient *c = it->data;
155 if (c == client || c->shaded)
157 spaces = area_remove(spaces, &c->frame->area);
160 spaces = g_slist_sort(spaces, area_cmp);
162 for (sit = spaces; sit; sit = g_slist_next(sit)) {
166 if (r->width >= client->frame->area.width &&
167 r->height >= client->frame->area.height) {
176 g_slist_free(spaces);
181 static gboolean place_transient(ObClient *client, gint *x, gint *y)
183 if (client->transient_for) {
184 if (client->transient_for != OB_TRAN_GROUP) {
185 ObClient *c = client;
186 ObClient *p = client->transient_for;
187 *x = (p->frame->area.width - c->frame->area.width) / 2 +
189 *y = (p->frame->area.height - c->frame->area.height) / 2 +
194 gboolean first = TRUE;
196 for (it = client->group->members; it; it = it->next) {
197 ObClient *m = it->data;
198 if (!(m == client || m->transient_for)) {
200 l = RECT_LEFT(m->frame->area);
201 t = RECT_TOP(m->frame->area);
202 r = RECT_RIGHT(m->frame->area);
203 b = RECT_BOTTOM(m->frame->area);
206 l = MIN(l, RECT_LEFT(m->frame->area));
207 t = MIN(t, RECT_TOP(m->frame->area));
208 r = MAX(r, RECT_RIGHT(m->frame->area));
209 b = MAX(b, RECT_BOTTOM(m->frame->area));
214 *x = ((r + 1 - l) - client->frame->area.width) / 2 + l;
215 *y = ((b + 1 - t) - client->frame->area.height) / 2 + t;
223 static gboolean place_dialog(ObClient *client, gint *x, gint *y)
225 /* center parentless dialogs on the screen */
226 if (client->type == OB_CLIENT_TYPE_DIALOG) {
229 area = pick_head(client);
231 area = screen_area_monitor(client->desktop, 0);
233 *x = (area->width - client->frame->area.width) / 2 + area->x;
234 *y = (area->height - client->frame->area.height) / 2 + area->y;
240 void place_client(ObClient *client, gint *x, gint *y)
242 if (client->positioned)
244 if (place_transient(client, x, y))
246 if (place_dialog(client, x, y))
248 if (place_smart(client, x, y))
250 if (place_random(client, x, y))
252 g_assert_not_reached(); /* the last one better succeed */