openbox/place.c (raw)
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#include "client.h" #include "group.h" #include "screen.h" #include "frame.h" #include "focus.h" #include "config.h" static Rect* pick_head(ObClient *c) { /* try direct parent first */ if (c->transient_for && c->transient_for != OB_TRAN_GROUP) { return screen_area_monitor(c->desktop, client_monitor(c->transient_for)); } /* more than one guy in his group (more than just him) */ if (c->group && c->group->members->next) { GSList *it; /* try on the client's desktop */ for (it = c->group->members; it; it = g_slist_next(it)) { ObClient *itc = it->data; if (itc != c && (itc->desktop == c->desktop || itc->desktop == DESKTOP_ALL || c->desktop == DESKTOP_ALL)) return screen_area_monitor(c->desktop, client_monitor(it->data)); } /* try on all desktops */ for (it = c->group->members; it; it = g_slist_next(it)) { ObClient *itc = it->data; if (itc != c) return screen_area_monitor(c->desktop, client_monitor(it->data)); } } return NULL; } #if 0 static gboolean place_random(ObClient *client, gint *x, gint *y) { int l, r, t, b; Rect *area; area = pick_head(client); if (!area) area = screen_area_monitor(client->desktop, g_random_int_range(0, screen_num_monitors)); l = area->x; t = area->y; r = area->x + area->width - client->frame->area.width; b = area->y + area->height - client->frame->area.height; if (r > l) *x = g_random_int_range(l, r + 1); else *x = 0; if (b > t) *y = g_random_int_range(t, b + 1); else *y = 0; return TRUE; } #endif static GSList* area_add(GSList *list, Rect *a) { Rect *r = g_new(Rect, 1); *r = *a; return g_slist_prepend(list, r); } static GSList* area_remove(GSList *list, Rect *a) { GSList *sit; GSList *result = NULL; for (sit = list; sit; sit = g_slist_next(sit)) { Rect *r = sit->data; if (!RECT_INTERSECTS_RECT(*r, *a)) { result = g_slist_prepend(result, r); r = NULL; /* dont free it */ } else { Rect isect, extra; /* Use an intersection of win and curr to determine the space around curr that we can use. NOTE: the spaces calculated can overlap. */ RECT_SET_INTERSECTION(isect, *r, *a); if (RECT_LEFT(isect) > RECT_LEFT(*r)) { RECT_SET(extra, r->x, r->y, RECT_LEFT(isect) - r->x, r->height); result = area_add(result, &extra); } if (RECT_TOP(isect) > RECT_TOP(*r)) { RECT_SET(extra, r->x, r->y, r->width, RECT_TOP(isect) - r->y + 1); result = area_add(result, &extra); } if (RECT_RIGHT(isect) < RECT_RIGHT(*r)) { RECT_SET(extra, RECT_RIGHT(isect) + 1, r->y, RECT_RIGHT(*r) - RECT_RIGHT(isect), r->height); result = area_add(result, &extra); } if (RECT_BOTTOM(isect) < RECT_BOTTOM(*r)) { RECT_SET(extra, r->x, RECT_BOTTOM(isect) + 1, r->width, RECT_BOTTOM(*r) - RECT_BOTTOM(isect)); result = area_add(result, &extra); } } g_free(r); } g_slist_free(list); return result; } static gint area_cmp(gconstpointer p1, gconstpointer p2) { gint ret; const Rect *a1 = p1, *a2 = p2; ret = RECT_BOTTOM(*a1) - RECT_BOTTOM(*a2); if (!ret) ret = RECT_LEFT(*a1) - RECT_LEFT(*a2); return ret; } static gboolean place_smart(ObClient *client, gint *x, gint *y) { guint i; gboolean ret = FALSE; GSList *spaces, *sit; GList *it, *list; list = focus_order[client->desktop == DESKTOP_ALL ? screen_desktop : client->desktop]; for (i = 0; i < screen_num_monitors; ++i) spaces = area_add(spaces, screen_area_monitor(client->desktop, i)); for (it = list; it; it = g_list_next(it)) { ObClient *c = it->data; if (c != client && !c->shaded && client_normal(c)) spaces = area_remove(spaces, &c->frame->area); } spaces = g_slist_sort(spaces, area_cmp); for (sit = spaces; sit; sit = g_slist_next(sit)) { Rect *r = sit->data; if (!ret) { if (r->width >= client->frame->area.width && r->height >= client->frame->area.height) { ret = TRUE; *x = r->x; *y = r->y; } } g_free(r); } g_slist_free(spaces); return ret; } static gboolean place_under_mouse(ObClient *client, gint *x, gint *y) { guint i; gint l, r, t, b; gint px, py; Rect *area; screen_pointer_pos(&px, &py); for (i = 0; i < screen_num_monitors; ++i) { area = screen_area_monitor(client->desktop, i); if (RECT_CONTAINS(*area, px, py)) break; } if (i == screen_num_monitors) area = screen_area_monitor(client->desktop, 0); l = area->x; t = area->y; r = area->x + area->width - client->frame->area.width; b = area->y + area->height - client->frame->area.height; *x = px - client->area.width / 2 - client->frame->size.left; *x = MIN(MAX(*x, l), r); *y = py - client->area.height / 2 - client->frame->size.top; *y = MIN(MAX(*y, t), b); return TRUE; } static gboolean place_transient(ObClient *client, gint *x, gint *y) { if (client->transient_for) { if (client->transient_for != OB_TRAN_GROUP) { ObClient *c = client; ObClient *p = client->transient_for; *x = (p->frame->area.width - c->frame->area.width) / 2 + p->frame->area.x; *y = (p->frame->area.height - c->frame->area.height) / 2 + p->frame->area.y; return TRUE; } else { GSList *it; gboolean first = TRUE; int l, r, t, b; for (it = client->group->members; it; it = it->next) { ObClient *m = it->data; if (!(m == client || m->transient_for)) { if (first) { l = RECT_LEFT(m->frame->area); t = RECT_TOP(m->frame->area); r = RECT_RIGHT(m->frame->area); b = RECT_BOTTOM(m->frame->area); first = FALSE; } else { l = MIN(l, RECT_LEFT(m->frame->area)); t = MIN(t, RECT_TOP(m->frame->area)); r = MAX(r, RECT_RIGHT(m->frame->area)); b = MAX(b, RECT_BOTTOM(m->frame->area)); } } } if (!first) { *x = ((r + 1 - l) - client->frame->area.width) / 2 + l; *y = ((b + 1 - t) - client->frame->area.height) / 2 + t; return TRUE; } } } return FALSE; } static gboolean place_dialog(ObClient *client, gint *x, gint *y) { /* center parentless dialogs on the screen */ if (client->type == OB_CLIENT_TYPE_DIALOG) { Rect *area; area = pick_head(client); if (!area) area = screen_area_monitor(client->desktop, 0); *x = (area->width - client->frame->area.width) / 2 + area->x; *y = (area->height - client->frame->area.height) / 2 + area->y; return TRUE; } return FALSE; } void place_client(ObClient *client, gint *x, gint *y) { if (client->positioned) return; if (place_transient(client, x, y) || place_dialog(client, x, y) || place_smart(client, x, y) || place_under_mouse(client, x, y)) { /* get where the client should be */ frame_frame_gravity(client->frame, x, y); } else g_assert_not_reached(); /* the last one better succeed */ } |