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));
43 static gboolean place_random(ObClient *client, gint *x, gint *y)
48 area = pick_head(client);
50 area = screen_area_monitor(client->desktop,
51 g_random_int_range(0, screen_num_monitors));
55 r = area->x + area->width - client->frame->area.width;
56 b = area->y + area->height - client->frame->area.height;
58 if (r > l) *x = g_random_int_range(l, r + 1);
60 if (b > t) *y = g_random_int_range(t, b + 1);
67 static GSList* area_add(GSList *list, Rect *a)
69 Rect *r = g_new(Rect, 1);
71 return g_slist_prepend(list, r);
74 static GSList* area_remove(GSList *list, Rect *a)
77 GSList *result = NULL;
79 for (sit = list; sit; sit = g_slist_next(sit)) {
82 if (!RECT_INTERSECTS_RECT(*r, *a)) {
83 result = g_slist_prepend(result, r);
84 r = NULL; /* dont free it */
88 /* Use an intersection of win and curr to determine the space
89 around curr that we can use.
91 NOTE: the spaces calculated can overlap.
94 RECT_SET_INTERSECTION(isect, *r, *a);
96 if (RECT_LEFT(isect) > RECT_LEFT(*r)) {
97 RECT_SET(extra, r->x, r->y,
98 RECT_LEFT(isect) - r->x, r->height);
99 result = area_add(result, &extra);
102 if (RECT_TOP(isect) > RECT_TOP(*r)) {
103 RECT_SET(extra, r->x, r->y,
104 r->width, RECT_TOP(isect) - r->y + 1);
105 result = area_add(result, &extra);
108 if (RECT_RIGHT(isect) < RECT_RIGHT(*r)) {
109 RECT_SET(extra, RECT_RIGHT(isect) + 1, r->y,
110 RECT_RIGHT(*r) - RECT_RIGHT(isect), r->height);
111 result = area_add(result, &extra);
114 if (RECT_BOTTOM(isect) < RECT_BOTTOM(*r)) {
115 RECT_SET(extra, r->x, RECT_BOTTOM(isect) + 1,
116 r->width, RECT_BOTTOM(*r) - RECT_BOTTOM(isect));
117 result = area_add(result, &extra);
127 static gint area_cmp(gconstpointer p1, gconstpointer p2)
130 const Rect *a1 = p1, *a2 = p2;
132 ret = RECT_BOTTOM(*a1) - RECT_BOTTOM(*a2);
134 ret = RECT_LEFT(*a1) - RECT_LEFT(*a2);
138 static gboolean place_smart(ObClient *client, gint *x, gint *y)
141 gboolean ret = FALSE;
142 GSList *spaces, *sit;
145 list = focus_order[client->desktop == DESKTOP_ALL ?
146 screen_desktop : client->desktop];
148 for (i = 0; i < screen_num_monitors; ++i)
149 spaces = area_add(spaces, screen_area_monitor(client->desktop, i));
151 for (it = list; it; it = g_list_next(it)) {
152 ObClient *c = it->data;
154 if (c != client && !c->shaded && !client_normal(c))
155 spaces = area_remove(spaces, &c->frame->area);
158 spaces = g_slist_sort(spaces, area_cmp);
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) {
174 g_slist_free(spaces);
179 static gboolean place_under_mouse(ObClient *client, gint *x, gint *y)
186 screen_pointer_pos(&px, &py);
188 for (i = 0; i < screen_num_monitors; ++i) {
189 area = screen_area_monitor(client->desktop, i);
190 if (RECT_CONTAINS(*area, px, py))
193 if (i == screen_num_monitors)
194 area = screen_area_monitor(client->desktop, 0);
198 r = area->x + area->width - client->frame->area.width;
199 b = area->y + area->height - client->frame->area.height;
201 *x = px - client->area.width / 2 - client->frame->size.left;
202 *x = MIN(MAX(*x, l), r);
203 *y = py - client->area.height / 2 - client->frame->size.top;
204 *y = MIN(MAX(*y, t), b);
209 static gboolean place_transient(ObClient *client, gint *x, gint *y)
211 if (client->transient_for) {
212 if (client->transient_for != OB_TRAN_GROUP) {
213 ObClient *c = client;
214 ObClient *p = client->transient_for;
215 *x = (p->frame->area.width - c->frame->area.width) / 2 +
217 *y = (p->frame->area.height - c->frame->area.height) / 2 +
222 gboolean first = TRUE;
224 for (it = client->group->members; it; it = it->next) {
225 ObClient *m = it->data;
226 if (!(m == client || m->transient_for)) {
228 l = RECT_LEFT(m->frame->area);
229 t = RECT_TOP(m->frame->area);
230 r = RECT_RIGHT(m->frame->area);
231 b = RECT_BOTTOM(m->frame->area);
234 l = MIN(l, RECT_LEFT(m->frame->area));
235 t = MIN(t, RECT_TOP(m->frame->area));
236 r = MAX(r, RECT_RIGHT(m->frame->area));
237 b = MAX(b, RECT_BOTTOM(m->frame->area));
242 *x = ((r + 1 - l) - client->frame->area.width) / 2 + l;
243 *y = ((b + 1 - t) - client->frame->area.height) / 2 + t;
251 static gboolean place_dialog(ObClient *client, gint *x, gint *y)
253 /* center parentless dialogs on the screen */
254 if (client->type == OB_CLIENT_TYPE_DIALOG) {
257 area = pick_head(client);
259 area = screen_area_monitor(client->desktop, 0);
261 *x = (area->width - client->frame->area.width) / 2 + area->x;
262 *y = (area->height - client->frame->area.height) / 2 + area->y;
268 void place_client(ObClient *client, gint *x, gint *y)
270 if (client->positioned)
272 if (place_transient(client, x, y) ||
273 place_dialog(client, x, y) ||
274 place_smart(client, x, y) ||
275 place_under_mouse(client, x, y))
277 /* get where the client should be */
278 frame_frame_gravity(client->frame, x, y);
280 g_assert_not_reached(); /* the last one better succeed */