c->x = (ev->value_mask & CWX) ? ev->x : c->x;
c->y = (ev->value_mask & CWY) ? ev->y : c->y;
c->w = (ev->value_mask & CWWidth) ? ev->width : c->w;
c->h = (ev->value_mask & CWHeight) ? ev->height : c->h;
c->x = (ev->value_mask & CWX) ? ev->x : c->x;
c->y = (ev->value_mask & CWY) ? ev->y : c->y;
c->w = (ev->value_mask & CWWidth) ? ev->width : c->w;
c->h = (ev->value_mask & CWHeight) ? ev->height : c->h;