openbox/place.c (raw)
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#include "client.h" #include "group.h" #include "screen.h" #include "frame.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; } 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; /* get where the client should be */ frame_frame_gravity(client->frame, x, y); 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 = m->frame->area.x; t = m->frame->area.y; r = m->frame->area.x + m->frame->area.width - 1; b = m->frame->area.y + m->frame->area.height - 1; first = FALSE; } else { l = MIN(l, m->frame->area.x); t = MIN(t, m->frame->area.y); r = MAX(r, m->frame->area.x +m->frame->area.width - 1); b = MAX(b, m->frame->area.y +m->frame->area.height -1); } } } 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)) return; if (place_dialog(client, x, y)) return; if (place_random(client, x, y)) return; g_assert_not_reached(); /* the last one better succeed */ } |